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Double rope grab two lifting mechanism for all kinds of crane (single line) and more used in port, wharf, construction bridge etc.According to material features with light, medium, heavy and extra-heavy duty.Apply to grab all kinds of loose debris.
On all kinds of cranes, drum is equipped with two sets of motor (electric hoist), each group of reel to draw out a piece of wire rope, one for support on both ends of the wire rope grab balance frame, the other beams wire rope through the pulley and the beam of the pulley, form a block and tackle, stand aside bucket of closed.
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 beam shaft as the center to open, when dou department is open to the ears of the touch boards collide, the bucket of open to the maximum limit.Beam in a bucket, pulleys and beams under the roller center distance increase, and set support rope, will have to open the grab, fall on to grab the loose debris, and then closed around closed steel wire rope, the center distance of the beam under the pulley and the beam pulley on the back 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 grab by the stores.