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Rope connection method and skill of truck mounted crane

Update Date: 2015/12/22 comes from: jyrcpr.cn Author: clicks:


Each type Xugong truck crane There are special types of rope card links, which are determined by working mode and object. In the use of the truck crane, the inner clearance of the U ring is generally larger than that of the wire rope. Moreover, the rope groove of the rope Kaka base should be basically consistent with the surface and twisting direction of the wire rope. At the same time, we also summarized the following skills in the use of truck mounted cranes.

1, the rope card should be as close as possible to the collar. It is necessary to ensure the correct tightening of the rope clip. The rope should be tied with thin wire.

2, it is worth noting that the direction of the rope on the same wire rope should be consistent, that is, the U shape part is in contact with the rope head, and the card seat is in contact with the main rope. If the U part is in contact with the main rope, when the wire rope is crushed, it is easy to break the wire when it is forced.

3. When the rope is attached to the truck, the bolt must be tightened until the wire rope is pressed, so that the fastening nut can be tightened further to ensure that the joint is firmly connected.

4, in order to check whether the joints are reliable and whether the wire rope is slippage, and put the rope head out of a "safe bend". During the process of operation, if the "safety bend" is straightened to prove that the wire rope at the joint is sliding, measures must be taken immediately to prevent accidents.

??? Xugong truck crane The adjustment method of multiway valve (distributor) has 2 multi-channel valves attached to each vehicle, and the upper side is to improve working efficiency. At present, the most advanced multi-channel valves installed in the truck mounted on the truck can operate in two directions, change the working procedures and complete all the work links. The maintenance and adjustment of the car's hanging valves directly affect the effect of hoisting.

The multiway valve is a key component. The high-pressure oil pumped by the oil pump is used to input oil into each working system through the multi-channel valve. For example, the expansion of the car's legged cylinder and the leg cylinder, the expansion of the lifting arm cylinder, the extension and retraction of the push and pull cylinder of the big arm, the rotation of the left and right, the lifting of the heavy load, the more stable the truck mounted crane, and the more secure use. The right rear of the multi-channel valve has an adjusting screw for adjusting the pressure of the multi-channel valve. The specific method is as follows: the two sides of the nut are arranged side by side, and the inside is a locking cap. The outer adjusting nut is pressurized clockwise.

The anti clockwise direction is buck. When the pressure is adjusted, the nut must be locked with the lock cap. Generally speaking, it is not optional to adjust the East, and the general adjustment pressure is 14MPA.

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