The luffing mechanism

The luffing mechanism, scrap handling crane the winch gear, hoisting rope, lifting hydraulic system consisting of hoisting mechanism, and a power telescopic main boom, jib, turntable, counterweight, the car working chamber, electric control or lighting systems. Difference crawler electric gantry crane and mobile cranes that seat for a motor chassis and planetary gear-driven crawler chassis as well as a truss boom boom.

It works by the above frame work of agencies in Figure One

Tower crane base support is generally fixed on the ground, industrial overhead cranes in part by job rotation, luffing, lifting bodies, the difference is the use of running luffing tower crane trolley, carrying part of the tower, boom, shipbuilding gantry crane balance arm, tower caps, balancing weight and other components.It works by the above frame work of agencies in Figure One.

will and hydraulic energy into mechanical energy

One can see from the chart, the engine power through the gearbox PTO outlet pass to get off the multi-joint pump, double girder bridge crane the mechanical energy into hydraulic energy and hydraulic energy transfer through multiple distribution valve to each cylinder, each motor, portal crane manufacturer will and hydraulic energy into mechanical energy

complete construction crane functions

In order to complete construction crane functions, column mounted jib cranes construction cranes are generally supported by the base portion and the upper portion of vehicle operation, etc., for mobile cranes, the base includes a support portion of the chassis on the road and other load-bearing structure and chassis legs, while the chassis also powered through the center of the rotary body to work on the car; the car operation portion includes a turning mechanism on the car to achieve a 360-degree rotating support, foundry cranes slewing gear, rotary hydraulic system consisting of a full rotation

General overhead cranes generally consists of lifting trolley

General overhead cranes generally consists of lifting trolley, scrap handling crane, bridge metal structures. Lifting the car and consists of hoisting mechanism, trolley traveling agencies and small frame three parts.ship gantry crane forming a rectangle the scope of work, you can take full advantage of the space below the lifting bridge materials, not hampered by ground equipment.

single girder crane

double girder overhead crane manufacturers can't change "hard to hard" cooperate relationship, under the force combination, still can cause wear again. The latest maintenance method with high polymer composite material is given priority to, more have the ka wah technology products, single girder crane and is widely applied it has strong adhesion, excellent comprehensive properties such as compressive strength.

After the occurrence of this kind of problem, electromagnet overhead crane traditional methods is given priority to with machining after repair welding or brush plating to repair, but both have some disadvantages: repair welding high temperature thermal stress can not completely eliminate, prone to bend or break; And brush plating coating thickness restrictions,foundry crane easy to peel, and two methods above are with metal repair of metal

single girder overhead crane

single girder overhead crane Leakage repair protect Bridge crane trolley reducer due to vibration, wear and tear, pressure, temperature and other factors, the joint surface static seal parts often appear leak phenomenon. Traditional treatment method to remove the speed reducer, replacement or daub sealing gasket sealing glue, but time-consuming, la...borious and difficult to ensure the sealing effect, will once again appear leakage in the run. double girder bridge crane The contemporary western countries with high polymer composite material field leakage of governance

single girder bridge cranes

During the late 19th century, steam-driven gradually replaced the hydraulic drive the crane crane. In the 1920 s, single girder bridge cranes due to the electrical industry and the rapid development of internal combustion engine industry, driven by motor or internal combustion engine device basic form of all kinds of crane. crane shipbuilding gantry crane

container gantry crane

portal crane manufacturerChina's ancient irrigation farmland with orange is the prototype of the crane boom type. In the 14th century, Western Europe in the human and animal driven rotating arm type crane. Appeared at the beginning of the 19th century, the bridge crane; Crane important wear parts such as axle, gear and sling started using metal erials, container gantry craneand adopts hydraulic drive

shipbuilding gantry crane

Human power is suitable for some small light lifting equipment, but also used as some auxiliary equipment, spare drive and accidental temporary power (or accident status) electromagnetic overhead crane，driven by motor or internal combustion engine device basic form of all kinds of crane. crane shipbuilding gantry crane

unhindered ground equipment.

Advantages truck crane is good mobility shift rapidly. The disadvantage is that the legs have to work and can not load driving, cranes spare parts not suitable for work on soft or muddy field. Truck crane chassis performance is equivalent to the total weight of the vehicle the same truck, meet the technical requirements of road vehicles, which can be used freely on all types of roads,Bridge crane is Hengjia in workshops, warehouses and empty field for material lifting material lifting equipment.Bridge crane lay on both sides of the bridge along the elevated track longitudinally running, single girder crane you can take full advantage of the space below the bridge lifting materials, unhindered ground equipment.

grab bucket crane

The main parameters characterizing parameters crane crane main technical performance indicators,grab bucket crane from the net weight of the crane can lift the quality of the material.Single-girder overhead traveling crane girder word to use more steel or composite section steel and steel type.Bridge crane bridge is a bridge crane runs on an elevated track,Electric single girder overhead crane operating speeds, scrap handling crane higher productivity than the manual, since the weight is larger,Electric single girder overhead crane from the bridge, traveling mechanism.

electric wire rope hoists

General overhead crane mainly electric drive, usually operated in the cab, there are remote controlled,bridge cranes is lifting the transport of modern industrial production and production processes to achieve mechanization and automation of important tools and equipment.Development and use of cranes on the market more widely,electric wire rope hoists mechanism including run institutions, luffing mechanism, slewing mechanism and metal structures

portal harbour cranes

Stainless steel chain hoists have good corrosion resistance, portal harbour cranes so it can maintain a permanent structural component engineering design integrity, and ordinary steel chain hoists compared to steel chain hoists more wear and hardness more Okay.Because stainless steel hand chain hoists pull small, high efficiency, advanced structure, durable, wall mount jib crane it is generally used in some special occasions,Hoists a difference single and double stranded, and they carried the weight is not the same.

portal crane

gantry cranes wheels and carts running gear frequently, repeatedly stop and reverse parking will cause torque of each axis reducer, vibration increases, could easily lead to leakage. Crane (Crane) belong to a crane, it is a for loop, intermittent motion machine.Truck crane chassis performance is equivalent to the total weight of the vehicle the same truck, meet the technical requirements of road vehicles, portal crane which can be used freely on all types of roads

container gantry crane

container gantry crane sometimes sparks within transmission catheter trolley line has serious sound of firecrackers explode, causing the collector to replace the too frequent, affecting production. Bridge crane trolley gear due to the effects of vibration, abrasion, pressure, temperature and other factors, workshop crane each combination of surface static sealing parts often appear leakage.

electric winch china

The plant crane, electric magnetic overhead crane because the top rail from the roof truss bottom chords close, with bridge crane large size and weight, it is not mechanized lifting. SMEs often use a single bridge crane hoisting the mast upright the whole, this can increase efficiency, shorten the construction period, reducing overhead cranes aerial work safety inspection in order to ensure the safe operation of the bridge crane, electric winch china during routine operation of the need for some security checks bridge crane in use and easy off.

overhead bridge cranes mainly electric drive

overhead bridge cranes mainly electric drive, generally in the cab manipulation, there are remote control. Bridge crane is lifting the transport of modern industrial production and production processes to achieve mechanization and automation of important tools and equipment. Bridge crane in the indoor and outdoor industrial and mining enterprises, bridge cranes iron and steel industry, railways, ports and logistics flow and other departments and have been widely used places.

electric wire rope hoist manufacturer

At present, China produces most of the use of overhead cranes were driven approach , wall traveling cranes it has light weight , workshop crane easy installation and maintenance. Transitional institutions throughout electric wire rope hoist manufacturer driven carts before and after the workshop along the length direction.

Overhead‬ ‪crane‬ ‪china

Motor axis parallel to the axis of the mandrel ‪‎Electrical‬ ‪‎hoists‬, its wire rope hoist advantage of height and length of the small size. The disadvantage is the width of large size packet of manufacturing and assembly complex. Track large turning radius.Overhead‬ ‪crane‬ ‪china‬ is Hengjia in workshops, warehouses and material field empty for material lifting equipment lifting, hook to hang a DC lifting magnet for lifting with a permeability of ferrous metals and their products

‎Metallurgical‬ ‪‎electric‬ ‪hoist‬

‎Metallurgical‬ ‪‎electric‬ ‪hoist‬ is installed on the I-beam track of lifting heavy objects, and can make a straight line along the track.Reel wound with wire rope or chain lifting or hauling heavy loads of small light lifting equipment, also known as the windlass.Electric‬ ‪wire‬ ‪‎rope‬ ‪hoist‬ ‪manufacturers‬ A small lifting equipment, with a compact, light weight, small size, parts versatility, easy operation.
Also known as winches, wire rope is wrapped around the drum or chain to raise or towing heavy loads small light lifting equipment.

‎gantry‬ ‪cranes‬

‎gantry‬ ‪cranes‬ in slings, try to avoid the ups and downs of the arm. In case you must hoist arm when the ups and downs, from 50% by weight must not exceed the specified weight. two cranes at work on the same track, the distance between the two planes should be greater than 3m.semi gantry cranes legs at one end, the other end of the outrigger, run directly in the high bench.lifting weights, hook wire rope should remain vertical, oblique allowed to drag the object to be hung

foundry crane

,Electric double girder gantry ‪‎crane‬ gantry #crane is known or double girder gantry #crane. Mainly used for outdoor yard, yard goods, bulk cargo loading and unloading operations. Its metal structure shaped like a door frame, carrying the main beam install two feet down, you can walk directly to the track on the ground, both ends of the main beam may have overhanging cantilever,foundry cranein the swivel hoist circumstances, should pay close attention to whether there are obstacles around, if it should try to avoid or remove obstructions.

portal crane

Single girder gantry ‪crane‬ doors leg has L and C forms. L type of manufacture and installation convenience, the force was better, the smaller their own quality, but, lifting goods through space at the relatively small number of legs,Double girder gantry portal crane carrying capacity, span, the overall stability, variety, but the quality of their starting weight compared with the same single-girder gantry #crane to be bigger, the cost is higher. Depending on the main beam structure, it can be divided into box beams and trusses in two forms

bridge cranes

Electrical‬ ‪ ‎hoists‬ By the motor, transmission and rolls or sprockets, divided into wire rope electric hoist and electric chain hoist two，Belong to special lifting equipment, has a compact, light weight, small size, parts versatility, easy operation，Motors generally used are conical motor stops automatically locked after brake，bridge cranes can be installed separately on the beam, it can also be installed using an electric or manual single-beam, dual-beam, cantilever, gantry cranes

Crane

grab crane is in a certain range of vertical lifting and carrying heavy loads of multi-level action lifting machinery. Also known as crane. At present, the major heavy lifting Equipment Co., Ltd. Guangdong Shun launch has gradually canceled hoist with function. The main features of the tire cranes are: its driving cab and crane cab combined, is evolved by the crawler crane (crawler) will be tracked and walking stents have become part of the running gear tire chassis, overcome the disadvantage of crawler crane (crawler crane) track shoes on pavement damage, belonging to material handling machinery. Lifting equipment to do some work is characterized by intermittent movement, that in a work cycle Reclaimer, transport, unloading and other movements of the respective agencies are working alternately,foundry crane development and use of more and more widespread in the market

girder gantry crane

1. The single girder
Single girder gantry crane structure is simple, easy to manufacture and installation, small own mass, main beam mostly Partial rail box-shaped frame structure. Compared with double girder gantry crane,electric magnetic overhead crane the overall stiffness weaker. Thus, when the starting weight Q≤50t, time span S≤35m, can this form. Single girder gantry crane gate leg has L and C forms. L type of manufacture and installation convenience, the force was better, the smaller their own quality, but, lifting goods through space at the relatively small number of legs. C-shaped leg made inclined or curved shape, aimed at a greater horizontal space to make the goods pass foot.
2. The double main beam
Double girder gantry crane carrying capacity, span, good overall stability, variety, but the quality of their starting weight compared with the same single-girder gantry crane to be bigger, the cost is higher. Depending on the main beam structure, it can be divided into box beams and trusses in two forms. More commonly used box structure. [1]
Crane, mainly by the bridge, traveling mechanism, trolley, electrical equipment and other components. Depending on the frequency of use, it is divided into A5, A6 two operating levels.
main feature:
(1) bridge with box girder, automatic submerged arc welding.
(2) the use of the trolley beam track conductive cable conducting new device, safe and reliable.
(3) The lifting mechanism may also be provided in accordance with the requirements of the second set of security devices. Increase reliability.
(4) parts standardization, serialization, universal.
(5) control room unobscured, all institutions are in the control room to manipulate, manipulate flexible working comfort.

Crane deeds

Since there is a truncated cone-liter overhead-column, after forward or backward truncated cone column, Renzi Jia style and bracing frame. Those who are required to set up the rotary tower crane counterweight, its function is to support the counterweight to constitute a role opposite direction and lifting torque design balance required torque. In addition to the counterweight, but also often installed in its tail lifting mechanism. The reason why lifting mechanism with a counterweight mounted trailing arms together in the balance, you can assign a weight to play the role of the Ministry and, secondly, increasing the distance between the rope reel and the spire of the guide wheel between rows to facilitate rope around and avoid arbitrary justice phenomenon. Counterweight inversely related to the amount and length of the balance arm, and then there is a certain proportion between the balance arm length and boom length.

Improve portal crane

Therefore, only to completely change the way the former governor to solve the problem of high failure rate overhead crane fundamentally. With the fast development of electronic technology, inverter performance and reliability have been greatly improved, for applications in bridge portal crane suppliers crane drive system provides favorable conditions. We first take on the important work of assembling diesel locomotive repair library shelf 32 t overhead crane hook size vehicle drive system and improve the system frequency transformation, to improve its operating performance and reduce the failure rate.

Jib crane presentation

column jib crane, a crane, widely used in factories, workshop production lines, assembly lines and machine tools, and the upper and lower parts warehouses, docks and other occasions of heavy lifting. column mounted jib crane: extract means rotating arm hanging at the end or spin-hanging along the lifting arm runs a small car, the arm can swing, but can not pitch jib crane jib crane called. For machinery manufacturing, railway, chemical industry, light industry production lines or repair situation, especially in dense device, a short distance lifting, for frequent application of the product line will enhance production efficiency.

Single girder crane rules

a. single girder crane cab, the driver succession before driving, coping hooks, ropes and safety devices and other components according to the requirements of check card check, unusual circumstances, should be excluded.
b. Ground control of bridge gantry crane, the class should be someone responsible for inspection according to the requirements of the card check, unusual circumstances, should be excluded.
c. The operator must confirm to go on unmanned rail station or when we can close the main power supply. When locking or sign the power circuit breaker is closed by the original person only after the main power is removed.

Main beam form can be divided into single master volume and double main beam cranes

1. The single girder
single girder overhead crane structure is simple, easy manufacture and installation, small quality of their main beam much for the partial rail box-shaped frame structure. Compared with double girder gantry crane, the overall stiffness weaker. Therefore, when the starting weight Q≤50t, when the span S≤35m, can this form. Single girder gantry crane doors leg has L and C forms. L type of manufacture and installation convenience, the force was better, the smaller their own quality, but, lifting goods through space at the relatively small number of legs. C-type legs made of sloped or curved shape, aimed at a greater horizontal space, so that goods pass foot.
2. The double main beam
double girder gantry crane carrying capacity, span, the overall stability, variety, but the quality of their starting weight compared with the same single-girder gantry crane to be bigger, the cost is higher. Depending on the main beam structure, it can be divided into box beams and trusses in two forms. More commonly used box structure.

Gantry crane classification

Gantry crane frame may form structure, according to the main form of beams, according to the main beam structure, according to use in the form of classification frame structure
Divided gantry crane and cantilever gantry crane
Gantry crane
1. Full gantry cranes: main beam no overhang, the car in the main spans;
2. semi gantry cranes: leg height difference, according to the civil use of space requirements.
Cantilever gantry crane
1. double girder gantry crane: The most common type of structure, the effective use of force and the site area of the structure is reasonable.
2. Single Cantilever Crane: This form of structure is often due to space constraints and is selected.

Gantry crane

ship gantry crane is a variant of the bridge gantry crane, gantry crane known. Mainly used for outdoor yard, yard goods, bulk cargo loading and unloading operations. Its metal structure shaped like a door frame, carrying the main beam install two feet down, you can walk directly to the track on the ground, both ends of the main beam may have overhanging cantilever. Gantry crane with a high utilization of space, large operating range, wide adaptation, versatility, etc., are widely used in the port yard. It may be in the form of a door frame structure, according to the main form of beams, according to the main beam structure, according to use in the form of classification.

You know how much knowledge gantry cranes?

electric gantry crane lifting equipment belonging to one, commonly known as gantry cranes. Such cranes are mainly extract article by means lifted after then move horizontally to the destination lowered. Gantry crane is a do loop, intermittent movement of equipment, mainly by the main circuit, control circuit, lighting signal circuit and the like. Purchase of gantry cranes at the construction unit should be combined with the construction situation of enterprises: the frequency of a combination of factors, utilization, from the weight, etc. into account. In addition to considering the technical parameters, but also need to conduct market research to understand the manufacturer's reputation, technical level. Typically buy when the span gantry crane technical requirements, often starting weight of less than 50 tons, the span needs no special equipment to within 35 meters. If you need a large weight lifting, the need to use large span and double bridge gantry crane

. When the purchase of gantry cranes delivered to your door, it should be out of the box inspection, to check whether the information is complete, matching the parts for damage, whether complete and so on.

Crane, also known as crane

Gantry crane  refers to a range of vertical lifting and carrying heavy loads of horizontal multi-action lifting machinery. Also known as cable car. The main features of terrains are: its driving cab and crane cab combined, is evolved by the crawler crane (crawler), will track and walking part of the running gear bracket into the chassis has a tire to overcome disadvantage of crawler crane (crawler crane) track shoes on pavement damage, belonging to material handling machinery. Single girder gantry crane lifting equipment to do some work is characterized by intermittent exercise, namely a working cycle reclaimer, ship appropriate mechanism to transfer, unloading and other movements are working alternately, 

development and use of cranes on the market more widely. Gantry crane manufacturers  because they are not leg slings and hoists with often some accident, driving speeds are more cranes (crawler) fast; job stability, lifting large can be hoist walking within a specific range, but must ensure that road grading solid tire pressure to meet the requirements, hanging above the ground shall not exceed 50CM; ban with a load of walking long distances. To ensure the safety of operations, the current domestic basically prohibit the outriggers are not hoisting operations.

Gantry multi-use box type and truss structure

Santo gantry crane multi-use box type and truss structure, the most widely used. You can carry a variety of bulk materials into items and, from the weight of 100 tons, a span of 4 to 39 meters. Grab common with the work of a higher level gantry crane. Common gantry crane mainly refers hook, grab, electromagnetic, hoist gantry crane, also includes semi gantry crane .

Bridge divided into single and double-girder, single girder generally 10t or less span is relatively small. 10t double girder can be more, and even some large traffic can be done from the weight of hundreds of tons, the span can be made relatively large. Orbit bridge is usually installed on the rail beam, bearing rail rail mounting bracket on the plant or from the vertical column.Gantry crane rail mounting on the ground, on both sides of the main beam with vertical legs have driven device leg stand upright on the track.

Gantry crane is a variant of the bridge crane

Electric gantry crane  is a variation of the bridge crane, gantry crane known. Mainly used for outdoor yard, yard goods, bulk cargo loading and unloading operations. Its metal structure shaped like a door frame, carrying the main beam install two feet down, you can walk directly to the track on the ground, both ends of the main beam may have overhanging cantilever. Gantry crane with a high utilization of space, large operating range, wide adaptation, versatility, etc., are widely used in the port yard.

Press the door in the form of the structure, according to the main form of beams, according to the main beam structure, according to use in the form of classification.Simple  single girder gantry crane  structure, easy manufacture and installation, small quality of their main beam much for the partial rail box-shaped frame structure. Compared with the double girder gantry crane, the overall stiffness weaker. Therefore, when the starting weight Q≤50t, when the span S≤35m, can this form. Single girder gantry crane doors leg has L and C forms. L type of manufacture and installation convenience, the force was better, the smaller their own quality, but, lifting goods through space at the relatively small number of legs. C-type legs made of sloped or curved shape, aimed at a greater horizontal space, so that goods pass foot.

Our companies need to increase efforts to implement the crane independent innovation strategy

 New Army of China's machinery and equipment industry, to seek progress as the column mounted jib crane industry guidelines, meanwhile, intensify the implementation of independent innovation strategy, merger integration of domestic and foreign technology, products, brands and other resources to enhance the capability of independent innovation .
Going cross-border mergers and acquisitions, acquire overseas mature technology, advanced production equipment, and even the technical and executive talent, domestic brands can waste handling crane machinery manufacturing enterprises effective resource input, speed up the pace to catch up with global brands.
Although in recent years the development of the domestic industry's key components is relatively fast, but many companies are still willing to rely on overhead cranes imported components to enhance the competitiveness of its products by the price to attract customers.
Completely on their own brands, although independent research can provide long-term development of the cornerstone of the bridge crane business, but the cost in terms of finance, time is too expensive, but also in the technical competition will be lagging behind. If there is a suitable acquisition targets overseas, and was acquired their own development objectives and has a high degree of strategic fit, then you should try its own brand overseas acquisitions.

Our lifting machinery industry out of a self-innovation, scientific development of the road

Through years of development, China's machinery industry out of a lifting innovation and scientific development of the road, in the gradual growth in showing a good momentum of development. From a global point of view of construction machinery sales, electric magnetic overhead crane occupied a share of almost 40%, while China's market sales accounted for 60% of global crane crane sales.
    From the appearance, the machinery industry's decline in recent years because of weak demand, overcapacity; but this is only the surface of the reason, deeper, and more reason is the nature of the stage of economic development, China has undergone profound changes, but the single-girder industrial overhead cranes industry development model has failed to change the attendant.
    2014 just past, although not yet released annual reports of major companies, but the first three quarters of performance, engineering machinery overhead crane industry seems "winter" still.
    Currently, the product is converted to mechanical versatility to the system integration technology, a single function from a single technology; product specifications from large to micro and small and medium-oriented extension: Twelve Five "period, high-end equipment products will be nurturing and development of machinery industry strategic focus areas.

Bridge crane manufacturing industry gradually transferred to multinational

 With the trend of economic globalization, more and more obvious, bridge crane manufacturing industry gradually shift to multinational corporations, our crane has become a foreign and private capital procurement more obvious, continue to support our mill industry. International grab bridge crane future market prospects are still a lot of room for development, but also face greater challenges.
At present, China's bridge lifting machinery industry, there is a big gap in the production of high value-added products, quality, variety and specifications, while the developed countries in the new industry, new equipment, new technology development and engineering primitive aspects the level of a certain distance, and the high energy consumption of China's enterprises, need to be improved in terms of environmental protection.
Application Grab overhead crane equipment expanding field has been applied more and higher requirements to shape the development of the fast pace of development in other manufacturing industries, has become a universal law, create demand in the world market.
Advanced technology is an important factor in the development of bridge crane business, experts believe that companies want to come to the fore, it is necessary to market demand and self-oriented development strategy, adjustment mode, looking for new opportunities to improve their scientific and technological content.

Insiders thematic analysis for your bridge crane hoisting phenomenon

The reason wall mount jib crane hoisting phenomenon occurred:
1, the working process, we do not rule out the presence of staff negligence, since bridge gantry crane hook is run by pulling the handle to pull the controller
Lead, so if the driver accidentally during work operations, did not pull the handle controller zero will cause the hook to continue to rise, causing things
It.
2, limit switch, column jib crane hook stopper is on the rise and fall of the process, is responsible for controlling the operation of the main bridge crane hook accessories, if we in the normal course of their work, check for stopper not careful enough, then the joint is very adhesions may occur, but once the joint adhesion limit, and that limit is equivalent to fail, leading to the main hook on the rise in the process, continue to rise, making the rope can not stand the pressure The collision, direct rupture, hook destroyed the goods happen to fall, resulting in unnecessary life safety issues.
3, because the longer the use of cranes age, and the staff did not work in the course of their regular inspection and maintenance, so that the stopper hidden loss
Spirit of risks, and finally cause hoisting phenomenon.

Overhead crane industry development constraints point

grabbing cranes industry development in energy dissipation process but there are people in the industry are not aware of the invisible killer. From the industry perspective, these invisible killers factors also severely restricted the development of the industry to a healthy direction.
As the domestic scientific and technological research in the past for lack of investment, has seriously affected the development of the overhead crane industry today due to technological level is lagging behind and cause behind the severe overcapacity situation. Beginning last year, the development of domestic crane industry has been in decline stage, but also the capacity development model to today's energy dissipation for enterprise development priority from the expansion of the high-speed stage.
Part of the grab bucket crane business in order to be able to further promote digestion and backward production capacity, has taken some irrational promotions, both take aggressive credit sales model: low down payment or even zero down payment way to pursue more orders, but these aggressive promotional methods There is undoubtedly a huge risk in the development process will give enterprises. Some users even in a crisis can not afford to repay the debt, eventually leading to the risk of the enterprise is difficult to recover the balance due.
This factor will have a direct impact on production and operations Magnetic overhead crane, etc., may result in more severe cases, the business capital chain breakage. This aggressive promotions, companies do not realize that the latter will become invisible killer enterprise development, although on the face of business is to get a large order, but it risks seriously affected the normal operation of the enterprise.

To develop scientific and technological innovation is the way out of the crane industry

If China's SMEs can also rely climax hold nation-building to develop their own, those large and very large Chinese construction machinery enterprises in order to ultimately foundry crane standing on top of the world engineering machinery, we must come to this level of business learning.
Current technology industry's largest gap with the developed countries is the technology of intelligent wall traveling Jib crane elements, in order to keep pace with the world, China, and even come to the forefront, it is necessary to develop the scientific and technological innovation, and actively participate in international competition and cooperation, and gradually the foreign core technology to thoroughly understand and master innovation.

overhead gantry cranes Manufacturing

explosion proof electric hoist Manufacturing units shall have obtained the lifting machinery manufacturing license, before engaging in a corresponding manufacturing activities.
Lifting machinery manufacturing licensee classification management, manufacturing units made manufacturing license shall have appropriate conditions for the implementation of the specific requirements of technical specifications in accordance with the relevant safety and other regulations.
Lifting machinery manufacturing license is valid for four years.
Manufacturing license period shall expire on the renewal application written six months ago; after examination, licensing authorities should make the decision to grant the license or not to license before the expiry date.
Hoisting Machinery Manufacturing expiry without renewal of the license, shall continue in lifting machinery manufacturing activities.
Manufacturing units shall adopt technical specifications meet the safety requirements of the lifting machinery design files.gantry crane manufacturerIn accordance with the requirements of safety specifications, type tests should be lifting products, lifting machinery parts or trial of new products, new parts, must be the whole or part of the type test.
Lifting machinery manufacturing process should be in accordance with the scope of the technical specifications and other safety regulations, and requirements of the project, from the manufacturing location of inspection and testing institutions supervision and inspection.Manufacturing units manufactured in the workplace should be permitted lifting machinery; but the structure can not be split and transport overrun, you can use the on-site manufacturing, from the location of the manufacturing site inspection agency supervision and inspection in accordance with safety specifications and other requirements.
Manufacturing units shall be the main force structure (the main beam, main boom, the main support legs, standard section, the same below) for all orders processed or purchased and used in lifting machinery.
The main part of the force structure required to purchase or commission processing, manufacturing units should be entrusted to obtain the appropriate type and level of qualification of lifting machinery manufacturing units processed or purchased mainly by the force structure of its processing and for lifting machinery.
When lifting machinery factory, it should be accompanied by the design documents (including the total figure, mainly due to the force structure diagrams, mechanical drawings and electrical transmission, hydraulic system schematics), product quality certification, installation and use and maintenance instructions, supervision and inspection certificate, about the type test certificate and other documents.

electromagnet overhead crane control system in the crane size vehicle control principle

This article will introduce the electromagnet overhead crane control system in the crane size car control principle:
SCM central processing system, real-time status and position information gathering work of the master switch, the central processor via the control unit for information processing, the use of 485 to achieve information from the control unit to the execution unit of transmission, thus completing the electromagnet overhead crane size car motor control, and then realize shipbuilding gantry crane left and front right information and the car stalls, control, rear and gear information.The size of the vehicle control system panel is shown in two shows:
Mute switch: turn on the switch, turn off the sound travels carts; turn off the switch, turn on the sound travels carts;
Hammer instructions: Tips reached the limit height;
Hammer Reset: height when it reaches the limit, use the hammer reset button in special circumstances can lift limit increase;
Operating lever: front push each car five stalls, each pushing carts around five stalls, to the execution unit can transmit different instructions;
Phase voltage switch: Turn the switch can adjust voltmeter shows AB, AC, BC, the voltage value of any two phases.

industrial overhead cranes control system replacement parts

industrial overhead cranes control system contains a large number of components, parts are all life, and therefore industrial overhead cranes control system after long-term use will inevitably need to replace some parts. This article is to explain the replacement double girder overhead travelling crane control system components.
If the component fails, the need to pay attention to the compatibility of the replacement parts.
If the solid state relay failure, you need to pay attention to:Solid-state relays are key components, the first wife of marine science and technology solid state relays have to undergo rigorous testing and screening, the technical indicators on the market for sale than ordinary solid state relays; and products from different manufacturers, pin locations are often different arrangement, user error take the case of repeated occurrence, in order to ensure reliable operation of the controller, it is recommended to buy spares from my company.
Need special tools to install a solid state relay replacement. To ensure reliable recommends that users install the control system will fail to return the company to repair.
Note: You must replace the parts by professionals. Do the leads or metal objects left in the machine to avoid fire;
Danger Never remodel JH-DSC, Otherwise, electric shock, accidents; after replacing the motherboard, you must run before the corresponding parameter settings, otherwise there is a risk of damaging the JH-DSC