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Forklift hydraulic control steering balancing device

A balancing device and hydraulic technology, which is applied in the direction of fluid steering mechanism, etc., can solve problems such as failure to work normally, inconsistent steering angle, difficulty in forklift walking, etc., and achieve the effect of avoiding walking suffering, consistent steering angle, and improving labor efficiency

Inactive Publication Date: 2013-03-20
WUHU RUICHUANG FORKELEVATOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sometimes the piston positions of the two oil cylinders are different. Once the piston of one oil cylinder reaches the bottom of the cylinder, the piston of the other oil cylinder may not necessarily reach the bottom of the cylinder, which will cause the steering angle of the two front wheels of the forklift to be inconsistent, resulting in a forklift failure. Difficulty walking and unable to function normally

Method used

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  • Forklift hydraulic control steering balancing device
  • Forklift hydraulic control steering balancing device

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Embodiment Construction

[0012] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with the embodiments and accompanying drawings. The embodiments are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

[0013] figure 1 , 2 Shown is a forklift hydraulic control steering balance device of the present invention, including a full hydraulic steering gear 2, two oil cylinders 5 and a fuel tank 1, wherein the full hydraulic steering gear 2 has a pressure oil inlet (P) and an oil return port ( T) and two working oil ports 7; the oil tank 1 has an oil inlet and an oil outlet, and the oil outlet is connected to the pressure oil inlet (P) of the full hydraulic steering gear 2 through an oil pump 8, and the oil inlet The port is connected to the oil return port (T) of the full hydraulic steering gear 2 through a filter 3;

[0014] The rodless chamber of o...

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Abstract

The invention discloses a forklift hydraulic control steering balancing device which comprises a full hydraulic steering gear, two oil cylinders and an oil tank. A pressure oil inlet, oil return opening and two working ports are formed in the full hydraulic steering gear. The oil tank is provided with an oil inlet and an oil outlet. The oil outlet is connected with the pressure oil inlet of the full hydraulic steering gear through an oil pump. The oil inlet is connected with the oil return opening of the full hydraulic steering gear through a filter. The forklift hydraulic control steering balancing device is characterized in that a rodless cavity of one oil cylinder is communicated with a rod cavity of another oil cylinder through pipelines; a valve bush in a sealed state is inserted into a blind hole, and the external end of the valve bush is level and parallel to the corresponding end of a piston; and the diameter of the outer segment of the valve bush is smaller than the diameter of the inner segment of the valve bush, and therefore a peripheral step is formed on the position, close to the opening portion, of an inner cavity of the valve bush. The forklift hydraulic control steering balancing device has the advantages of avoiding walking difficulty of a forklift when the positions of two oil cylinder pistons are different from each other, guaranteeing the normal operation of the forklift, and improving the efficiency of labor.

Description

technical field [0001] The invention relates to a hydraulically controlled steering balance device for a forklift. Background technique [0002] Forklifts are now an important tool for reloading and unloading operations, and they play a huge role in the work process. At present, the hydraulic control devices used to control the steering of the two front wheels of forklifts include fuel tanks, full hydraulic steering gears and two oil cylinders. The two oil cylinders respectively control one front wheel of the forklift, and the oil tank, oil pump and full hydraulic steering gear make the two oil cylinders enter and output oil at the same time to realize the synchronous steering of the two front wheels of the forklift. Sometimes the piston positions of the two oil cylinders are different. Once the piston of one oil cylinder reaches the bottom of the cylinder, the piston of the other oil cylinder may not necessarily reach the bottom of the cylinder, which will cause the steerin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/06B62D5/12
Inventor 郑宝王泽国刘喜
Owner WUHU RUICHUANG FORKELEVATOR
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