1. The lifting mechanism is different. Electric single girder cranes are generally hoist type, while double girder cranes have hoist type and winch type;
2. Different models. The main models of electric single-beam cranes are: LDA, LDP, LDE, LX, etc., and the models of electric double-beam cranes are LH, LHE, QD, QZ, etc.;
3. The main beam is different. Some electric single-girder cranes are also called monorails, because there is only one main girder, while electric double-girder cranes have two parallel main girders, so the carrying capacity will be better.
1. Double-beam crane, optimized design imitating European-style crane, compact structure, simple atmosphere.
2. The selection of materials adopts standard profiles, and the main beams and end beams are produced by assembly lines, which are integrated and beautiful.
3. The frame material adopts standard profiles, trolley running mechanism wheels, embedded design, and the overall layout is beautiful and generous. (European style car design)
4. The double-beam crane is small in size, light in weight, strong in carrying capacity, small in wheel pressure, and low in headroom, which effectively improves the space utilization rate, thereby reducing plant investment costs.
5. The lifting weight is large, the load is even, and the operation is stable.
6. The main beam and end beam are connected by high-strength bolts and positioning pins, which is convenient for disassembly and assembly and reduces transportation costs.
7. Excellent driving performance, frequency conversion speed regulation, stable operation, fast positioning, effectively solve the swing of the reproduced object, and manual operation is more comfortable.
8. The operating mechanism of the large and small vehicles is a three-in-one structure of motor, reducer and brake, both ends are driven separately, with low noise, anti-falling protection, safe and reliable.
9. The two-in-one structure of lifting reducer and motor can better solve the problem of different installation of the motor and reducer.
10. Save space, fully reduce the problems of large size and high height of the old-style reducer, and save user plant costs.
11. The electrical control adopts PLC + frequency converter control, intelligent positioning and accurate positioning, and safety and reliability are greatly improved.
12. The trolley mechanism is equipped with an electric hydraulic rail clamp, and an automatic correction device for trolley operation, and is equipped with a sound and light alarm with amplifying device, which is stable, safe and reliable.
13. Outdoor cranes use outdoor shockproof high bay lights, which save energy, have high lighting brightness and are easy to maintain.
14. Outdoor crane hoisting mechanism, electric control box and driving mechanism are equipped with rain cover to prevent moisture and prolong service life
15. The gears are processed accurately, and the tooth surface is hardened and ground, which can ensure long-term trouble-free operation of the crane.
1. Single beam crane, optimized design imitating European crane, compact structure, simple atmosphere
2. The selection of materials adopts standard profiles, and the main beams and end beams are produced by assembly lines, which are integrated and beautiful.
3. The frame material adopts standard profiles, trolley running mechanism wheels, embedded design, and the overall layout is beautiful and generous.
4. The single-beam crane is small in size, light in weight, strong in bearing capacity, small in wheel pressure, and low in headroom, which effectively increases the space utilization rate, thereby reducing plant investment costs by at least 15%.
5. The lifting weight is large, the load is even, and the operation is stable.
6. The main beam and end beam are connected by high-strength bolts and positioning pins, which is convenient for disassembly and assembly and reduces transportation costs.
7. Drive three-in-one motor, with low noise and stable operation.
8. The electric hoist adopts international brands or domestic first-line brands.
9. The electrical control adopts PLC + frequency converter control, intelligent positioning is accurate, and safety and reliability are greatly improved.
10. The cart mechanism is equipped with an electric hydraulic rail clamp, an automatic correction device for cart operation, and a sound and light alarm with amplifying device, which is stable, safe and reliable.
11. The outdoor crane adopts outdoor shockproof high bay lamp, which saves energy, has high lighting brightness and is easy to maintain.
12. Outdoor crane hoisting mechanism, electric control box and driving mechanism are equipped with rain cover to prevent moisture and prolong service life.
13. Gear processing is accurate, and the tooth surface is hardened and ground, which can ensure long-term trouble-free operation of the crane.
In summary, we can see that the two types of cranes have common features and advantages, and there are also big differences. This article is for reference only, and I hope it will be helpful for everyone to purchase.
Duty Classification: Many people mistakenly think that a double girder crane is heavier duty than a single girder or that they will last longer. That assumption is incorrect because the components (End Trucks and Hoist with trolleys) can be of exactly the same duty and be configured into a single girder design or a double girder design. A double girder crane is generally used when the duty requirement is D+ (Very Heavy Duty) or E (Severe Duty) because the special hoisting equipment often includes an open winch with a separate split gearcase, heavy-duty motor and a brake that are mounted on a deck frame. Also, heavy-duty or critical applications often include a bridge-mounted footwalk or maintenance platform for the safety and convenience of technician service and repair access to the hoist and crane components. It is not typically practical to mount an effective service platform to a single girder crane.
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