Bridge Crane Girder
Semi- gantry bridge crane girder is a kind of crane between bridge crane and gantry crane, Semi-gantry bridge crane girder crane has only one leg, the other end of the crane is like bridge crane on the load-bearing beam of the plant, its lifting mechanism, trolley running mechanism and bridge structure, and bridge crane is basically the same, rated weight is usually below 20 tons
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Product Introduction
1. Product Introduction:
Semi-gantry bridge crane girder
Semi- gantry bridge crane girder is a kind of crane between bridge crane and gantry crane, Semi-gantry bridge crane girder crane has only one leg, the other end of the crane is like bridge crane on the load-bearing beam of the plant, its lifting mechanism, trolley running mechanism and bridge structure, and bridge crane is basically the same, rated weight is usually below 20 tons
2. Parameters:
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Lifting weight(t) |
2 |
10 |
20 |
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Span(m) customized |
10-20 |
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Max. lifting height(m) |
16 |
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Hoisting speed(m/min) |
8.0 |
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customized |
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Travelling speed of crane(m/min) |
20 |
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Travelling speed of trolley(m/min)
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20 | ||||||||
| customized | |||||||||
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Working class |
A3-A6 |
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Electric current |
Three-phase AC 380V 50Hz |
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3. Component:
Semi- gantry bridge crane girder is used with CD, MD and other models of electric hoist, which is a kind of small and medium-sized crane with rail operation.
Its applicable weight is 2-20 tons, the applicable span is 10-20 meters, and the working environment is -25℃~+40℃.
This product is a general purpose crane, mostly used for loading and unloading in open places and warehouses. This product has two forms of ground control and indoor control.
4. Applicable Environment:
Semi- gantry bridge crane girder is suitable for the loading and unloading and lifting and transportation of general cargo in railway freight yards and open warehouses with large spans and frequent loading and unloading operations.
5. Transportation:
The common modes of transportation are land, sea and air. Generally speaking, for large machinery like our cranes, we use sea and land for more transportation.
For more description of packaging and shipping process, please click "Packaged And Shipped" to view.
6.How to operate?
7.Tips on crane wheel maintenance:
(1) The tread of the wheel is worn. If the wear of the tread of the wheel exceeds 15% of the original thickness, it should be replaced with a new part. If it does not exceed this value, it can be re-machined and heat-treated for repair. The diameter of the wheel should be within the tolerance range, the surface quenching hardness should be HB300~500, and the thickness of the quenched layer should be greater than 20mm for the diameter of the wheel larger than Φ400mm; when it is less than Φ400mm, the thickness of the quenched layer should not be less than 15mm;
(2) The diameter deviation of two matching wheels, the diameter deviation of the driving wheel should not exceed 0.1% of the nominal diameter, the driven wheel should not exceed 0.2%, and the diameter deviation of the electric hoist wheel should not exceed 1% of the nominal diameter, from The dynamic wheel should not exceed 0.2%; the diameter deviation of the electric hoist wheel should not exceed 1% of the nominal diameter; (3) the wheel sash is worn and broken, and deformed: the wear of the wheel rim reaches 50% of the original thickness or the broken area exceeds 30mm2 and should be scrapped , the bending deformation of the rim thickness reaches 20% of the original thickness and should be scrapped;
(4) Wheel cracks: If the wheels are found to be cracked, they should be scrapped;
(5) Tread ovality: Wheel tread ovality up to 1mm should be scrapped;
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