The working part of the forklift is a direct working mechanism that directly bears all the weight of the goods and completes the processes of forklifting, lifting and stacking of the goods. It is composed of a working device that directly performs loading and unloading operations and a hydraulic transmission system that controls the action of the working device. It has a variety of structural forms in terms of design and manufacturing and different working conditions. The fork is a fork-shaped member that directly carries the goods. It is mounted on the fork frame through a hook. The distance between the two forks can be adjusted according to the needs of the operation, and it is locked by the positioning device. The fork frame is a structural part welded by steel plates with a roller set. The inner side of the inner door frame has a groove-shaped track in the up and down direction. The connection method of the fork frame and the inner door frame is the same, and it can only be used along the track of the outer door frame. Move up and down. The inner door frame is a frame structure composed of two trough-shaped columns and beams assembled by welding. Its lower part is hinged on the drive axle (front axle) of the lithium pallet truck
. With the help of the tilting hydraulic cylinder, the mast can be tilted at a certain angle in the front and rear directions. The mast tilts forward to facilitate loading and unloading of goods, and the purpose of tilting backwards is to prevent the goods on the forks from slipping off when the lithium pallet truck is moving. The lower end of the lifting hydraulic cylinder is on the beam of the outer mast, and the upper end is connected with the beam of the inner mast and the sprocket. One end of the lifting chain is connected to the lower part of the outer main frame, and the other end is connected to the fork frame by bypassing the sprocket. When pressure oil is passed into the hydraulic cylinder, the piston rod moves upward at a speed v and drives the sprocket and the inner main frame to the same Lifting at speed v. Due to the principle of moving pulleys, the chain pulls the fork to lift at a speed of 2v. When the full stroke of the hydraulic cylinder ends, the inner mast is at the extreme position above the outer mast, and the fork is at the extreme position above the inner mast. When the oil pressure is released, components such as cargo or forks fall by their own gravity.
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There are different types of , mainly hand pallet truck price and motorized pallet jack.