This is our company's cable production line workshop, specially adapted to our company's production of various bridge cranes, gantry cranes and electric hoist lifting equipment. It is also in order to better provide more secure products for global customers.
Cable layout methods of bridge crane mainly include the following :
cable conduit laying : suitable for small tonnage, small span bridge portal lifting equipment and port portal lifting equipment. The advantages of this method are firm fixation, good appearance and easy welding, but the disadvantage is that the pipe interface is not sealed well, easy to enter water, and reduce the insulation strength of the cable; Threading trouble, easy to cut the cable; Maintenance operation is difficult; The heat dissipation effect is poor, reducing the current carrying capacity of the cable
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cable trough laying : suitable for medium tonnage, medium span indoor bridge gantry lifting equipment. Because there are relatively many cable lines of this kind of equipment, the number of steel pipes required for pipe laying is large and the welding and fixing is troublesome, so the cable trough laying is more suitable. The troughs can be standard non-metal troughs or self-made metal troughs, as long as they are wide enough and sealed. The advantage of this method is that it is conducive to electrical operation, but it is necessary to pay attention to the cable trough should be fixed in the place that is not easy for people to step on, so as to avoid the cable being damaged
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cable tray laying : The cable tray is used to send the cable from the distribution room or the main control room to the electrical equipment. The bridge system consists of a pallet, metal bridge, bending, fittings and seismic support, which is beautiful and easy to assemble .
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Cable selection and maintenance suggestions :
Cable type selection : Select an appropriate cable type based on the operating environment. Flat cables bend back and forth more times than round cables, long service life, mainly used for mobile laying; Round cables are used for fixed laying, and round cables with small cross-sectional areas can also be used for mobile laying
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cable length and crimping : Ensure that the length of all cables is equal, the crimping plate is firm, and the outer diameters of the same layer of cables are as close as possible. Avoid excessive force on a certain cable or a few cables
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hanging cable arrangement : Use the cable buncher to arrange the suspended cable to make it orderly. When running, the distance between the two adjacent suspension cable trolleys should make the Angle between the suspended cables close to 120°, and the traction wire rope should be thoroughly straightened by the force
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