L68B1 Mast Sectionthe trolley luffing mechanism work
The trolley's luffing mechanism is set at the root of the boom, two steel wire ropes are wound on the luffing drum, one is fixed at the rear of the trolley through the boom guide pulley, the other is fixed at the front of the trolley through the middle of the boom and the head guide pulley, and three rope clamps are set at the rear of the trolley, the saddle seat of the rope clamp shall be on the long end of the steel wire rope, and the spacing between the rope clamps shall not be less than 6 times of the diameter of the steel wire rope, and the steel wire rope and the small one The front end of the car is equipped with an adjustment mechanism. If the traction steel wire rope is loose, the goods will swing when the car moves. At this time, if the rope clamp for fixing the steel wire rope is not loose, adjust the tension device at the front end of the car to tension the steel wire rope.
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In actual use, the rope clamp for fastening the steel wire rope shall be inspected after changing load for one or two times. In most cases, the nut needs to be tightened further.
Note: during rope laying, 2-3 spiral grooves shall be left between the front and rear ropes to avoid friction between the two ropes and wear.
