Product Description

Henan mine crane co., LTD. Product introduction
Henan mine production, the main four rope grab, with two sets of hoisting drum of bridge gantry crane, grab all kinds of loose debris, unloading, loading, turn heap loading operation, etc.According to grab the condition of material and the user needs to design toothed, parallel girders open, underwater operations such as form.
Electric motor, the model of description
U -- -- -- -- -- -- -- -- four rope grab, 1 -- -- -- -- -- -- -- -- -- the grab bucket volume 1 cubic meters, Z -- -- -- -- -- -- -- -- - grab with cubic points medium;Heavy duty.
The working principle of the electric motor grab
On all kinds of cranes, drum is equipped with two sets of motor (electric hoist), each group of drum raises two wire rope, each of the two of them into a group to take root in the grab bucket flat beam supported at both ends.
At the start of the work, support will grab lifting rope on the appropriate location, and then put down the opening and closing wire rope, at this moment on the beam under the gravity force of a pipe of beam shaft as the center to open, when the bucket of open to two ear plate collision, dou department is open to the maximum limit.On the bucket, beams and beams under the roller center distance increased, support rope, will have to open the grab, fall to grab the loose debris, closed around closed wire rope again, beam on the pulley and the center distance of the beam under the pulley to restore to its original position, thus complete the grab materials process.In closed the ministry has been filled with material, finally promote the open closed steel wire rope, the grab bucket is hoisted, the vehicle movement to the required dumping place on the ground, a bucket to unload materials fetching.
Four rope grab, USES
Four rope grab is mainly with gantry crane, grab all kinds of loose debris, loading, unloading, pile, loading etc. 
Four rope grab, type
Due to the size of the grab bucket volume, grab materials by different proportion, we usually put the grab bucket is divided into: light, medium, heavy and extra-heavy duty.
Four rope grab, the main characteristics
Reasonable structure, good stiffness, material weight and grab the ratio of the weight of 1.5-1.92, filled with 95-100%, the main shaft sleeve using bearing steel, pin shaft of 40 cr material, using high temperature resistant bearing pulley, plus double rubber rubber oil seal, dust-proof waterproof and can be used in underwater.Steel edge, edge with wear-resisting alloy structural steel for welding and repair, good impact.
Four rope grab, detailed technical parameters
Click to view the four rope grab detailed technical parameters.

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