Machine Equipment Forums

1, a year or after 500,000 braking action, should check the butterfly spring group. The horizontal distance, in m, between the rotating center line of the gantry crane and the plumb line of the fetching device. The amplitude of the non-rotating type boom crane refers to the horizontal distance between the center line of the spinner and the rear shaft of the boom or other typical axes. The double beam crane mainly includes lifting mechanism, operating mechanism, amplitude changing mechanism, rotating mechanism and metal structure. Lifting mechanism is the basic working mechanism of the crane, mostly composed of hanging system and winch, but also through the hydraulic system lifting heavy objects. The intelligent crane is a multi-action lifting machine that lifts vertically and carries heavy objects horizontally within a certain range. [1] The work is characterized by intermittent movement, that is, the corresponding mechanism of taking material, migration, unloading and other actions in the more work cycle is alternately working, and the development and use of cranes in the market is more and more extensive. Inspection management method: First, the single-beam suspension brake system is in a full braking control state, and then gradually inject market pressure oil into the hydraulic cylinder, so that the environmental pressure in the brake hydraulic cylinder can slowly start to rise, each brake will be released one by one under different social pressure, and the release pressure of different brake shoes will be recorded. The difference between the higher oil pressure and the lower oil pressure should not affect more than 10% of their greater hard work and life pressure, otherwise it should be replaced in time and the disc spring in the brake with lower oil pressure.

2. Improved single-beam suspension brake shoe and lining plate connection, the past brake disc and lining plate connection using 6 copper screws, not only reduces the brake disc contact area, but also reduces the service life of the brake shoe. In addition, the copper screw is easy to loosen during use, causing scratches to the brake disc, it is recommended to cut the brake disc into a block, and insert the brake disc into the liner.

3. In the mine used to reduce heavy loads, can not completely rely on mechanical braking, brake disc will heat, more emergency, will affect the braking torque, resulting in serious accidents, single-beam crane should use dynamic braking.

4. When replacing the brake shoe, the brake shoe should be pressed tightly. If the size does not match, it should be repaired in time.

5, the brake disc roughness requirements are not enough and the brake disc end face deflection large enterprises will continue to increase the wear of the brake disc, it is recommended to heavy brake disc.

6.The brake shoe should be oil-free, and the disc brake should be oil-free when used, so as not to reduce the friction coefficient of the brake shoe and affect the braking force.

7. The wear of the main bearing shell of the single rope elevator will accelerate the wear of the brake disc, and it is recommended to repair the spindle tile.

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