Double-girder Construction Gantry Crane

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Product Description:

MG type Double-girder Construction Gantry Crane

Brief introduction

Double girder engineering truss crane  appliesin the road bridge engineering place, it has not fix location, the ambulationis bigger, so each conjunction part join in the form of link, which easy toknocked-down and transport. The crane’s facade wind ward is stable, it isapplicable to field and neck workplace usages.

Technical specification

1. Double welding box girder, accorded with national standard, high safety and stiffness
2. High quality carbon steel, Q235B or Q345B, and high quality automatic welding and NDT inspection
3. 10.9 class High tension bolts mounting between girder and legs
4. Vertical gear motor driving, driving separately for crane moving, safety and reliable
5. End carriage equipped with cellular buffers, rail sweeper

6. Composed of motor, reducer, brake, coupling, wheels, cable drum, etc.
7. Plugin brake rim and block without Asbestos, safe and reliable
8. Harden gear reducer, compact structure, durable service
9. Separately driving for trolley moving, stable moving and braking
10. Equipped with derailment protectors, angle box wheel, buffer unit
11. Large load capacity, long service life, Modular design, for different demands

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Q:What is the shipbuilding gantry crane?
There are two lifting trolleys: one with two main hooks running on the orbit of the bridge; the other has a main hook and a vice hook,
Q:What is the difference between the bridge crane and the gantry crane?
Most of the operating procedures are the same, there is not much difference, just pay attention to the general gantry hanging outdoors, there are legs, large span should also have the skew adjustment device, so open the car to pay attention to the legs
Q:What is the distance between the wheel of the gantry crane and the track?
more (or less than one half of the width of the lane), depending on the beam, and in general, Time to install the workers have to do a good job debugging equipment,
Q:What are the precautions for oil spill
At the same time in the design process should improve the combination of the two boxes of the process of precision, so as to prevent the contact surface caused by oil spill failure.
Q:What is the principle of effort?
It consists of the legs, the ground beam, the main beam, cantilever, electric hoist or car, electrical parts and other components.
Q:What are the types of gantry crane?
Generally based on the nature of the use of the decision.Flowing operation using flower frame pin structure.
Q:What is the gantry crane of a hydropower station?
Lifting capacity of 80 to 500 tons, the span is small, 8 to 16 meters; lifting speed is low, 1 to 5 m / min.
Q:Homemade use of gantry crane need to handle?
Whether it is not autonomous, as long as it belongs to the lifting equipment (jack and the like), the new installation, shift installation or overhaul of the bridge crane must be qualified, and check the formalities before they can be officially put into work.
Q:30m box girder to use how much gantry crane?
As for the crane is not recommended, because the crane is very expensive, and not suitable for lifting the prefabricated beam
Q:Container track gantry crane how to change the crane hanging steel?
Can be stacked 3 to 4 layers, 6 rows of containers of the yard, the general use of tires, but also useful track.

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