Sliding wheel type steel wire rope dragging and lifting portal system of electric forklift
A technology of electric forklifts and wire ropes, applied in the direction of lifting devices, etc., can solve the problems of high production and maintenance costs, many parts, high energy consumption, etc., and achieve the effects of low processing costs, simple component structure, and convenient system maintenance
Active Publication Date: 2021-01-01
JILIN UNIV
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide an electric forklift sliding wheel type wire rope towing lifting mast system to solve the current hydraulic drive forklift lifting system with heavy weight, high energy consumption, many parts, and high production and maintenance costs. problems, to achieve the purpose of stable lifting of the mast, light weight, reduced energy consumption, simple structure, convenient control, and easy maintenance
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[0029] An electric forklift sliding wheel type wire rope dragging lifting mast system, such as Figure 1 to Figure 8 As shown, including lifting mast system, lifting power transmission system and active power transmission system 40,
[0030] Wherein, the lifting mast system includes an outer mast 5 , an inner mast 6 , a steel wire rope 7 , a photoelectric sensor 9 , a steel cable fixing plate 10 , a steel cable fixing bolt 11 and a fastening bolt 12 . Wherein, the outer mast 5 includes the U-shaped beam 56 at the upper end of the outer mast, the center shaft 57 of the upper guide roller, the channel steel 58 of the outer mast, the U-shaped beam 59 in the middle of the outer mast, and the reinforcement plate 60 at the lower end of the outer mast. The openings of channel steel 58 of the outer mast are all placed inward, the top end is welded and fixed by the U-shaped beam 56 at the upper end of the outer mast, the bottom end is welded and fixed by the reinforcement plate 60 at t...
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The invention discloses a sliding wheel type steel wire rope dragging and lifting portal frame system of an electric forklift, and belongs to the technical field of forklifts. The system comprises a bottom sliding double-movable-wheel mechanism, a main power transmission system, a top sliding double-fixed-wheel mechanism, a steel wire rope, an inner portal frame, an outer portal frame, a pallet fork, a position control system and the like. According to the system, on the basis of a conventional forklift assembly, the steel wire rope, the top sliding double-fixed-wheel mechanism, a double-shaftmotor, a double-domain variable-torque roller, the bottom sliding double-movable-wheel mechanism and the like drag and pull a portal frame of the electric forklift to lift so as to achieve lifting motion of the pallet fork; and the problems that an existing hydraulic drive forklift lifting system is large in weight, high in energy consumption, large in number of parts and high in production and maintenance cost are solved, and the purposes of stable portal frame lifting, light weight, low energy consumption, simple structure, convenient control and easy maintenance are achieved.
Description
technical field [0001] The invention belongs to the technical field of forklifts, in particular to an electric forklift sliding wheel type wire rope dragging lifting mast system. Background technique [0002] At present, most of the mast lifting systems of forklift trucks in the prior art use hydraulic cylinders as the main lifting executive components, but the hydraulic system has low transmission efficiency, high energy loss, heat generation, vibration, noise, etc. during the flow of hydraulic oil. Problems such as leaks also frequently arise. Some forklifts use motors and screw rods instead of hydraulic cylinders to transmit lifting power. However, due to the limitation of the space position of the mast and the transmission mode, it is necessary to use screw rods that exceed twice the load to replace the original hydraulic cylinders. Greatly increased production costs. [0003] In the invention patent "forklift mast system with wire rope full free lift and motor-driven ...
Claims
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IPC IPC(8): B66F9/065B66F9/08B66F9/20
CPCB66F9/065B66F9/087B66F9/20
Inventor 赵丁选王平凯巴一庆孙光泽李伟建钟岭朱芮萱徐学思张维伦史丰恺邵雷童
Owner JILIN UNIV