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Fork laterally-moving distance-adjusting device of fork truck

A technology for forks and forklifts, which is applied in the field of fork side shifting distance adjustment devices for forklifts, can solve the problems of complex structure and high production cost, and achieve the effects of wide range of distance adjustment, low production cost and simple structure

Inactive Publication Date: 2012-11-28
HANGZHOU GLOBAL FRIEND PRECISION MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the structure of the device is complex and the production cost is high

Method used

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  • Fork laterally-moving distance-adjusting device of fork truck

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Embodiment Construction

[0012] Two pallet forks of the forklift are installed on the pallet fork frame, and oil cylinder I 1 and oil cylinder II 2 are also installed on the pallet fork frame, and the telescoping end of oil cylinder I 1 is opposite to the telescoping end of oil cylinder II 2. The forklift is equipped with a fork side shift distance adjustment device, which has a set of hydraulic pipelines in addition to oil cylinder I 1 and oil cylinder II 2. Such as figure 1 As shown, the hydraulic pipeline includes a front-end oil supply pipeline 3 and a function switching pipeline 7, as well as a multi-way valve 16 that facilitates the connection of the hydraulic pipeline with the main oil supply pipeline of the forklift.

[0013] The front end oil supply pipeline 3 includes an oil inlet pipe I4, an oil inlet pipe II5 and an oil return pipe I6. The oil inlet pipe I 4 is connected to the oil inlet of the oil cylinder I 1; the oil inlet pipe II 5 is connected to the oil inlet of the oil cylinder II ...

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Abstract

The invention discloses a fork laterally-moving distance-adjusting device of a fork truck. The device at least comprises an oil cylinder I, an oil cylinder II, and a hydraulic pipeline. The oil cylinder I and the oil cylinder II are both connected with the hydraulic pipeline. The hydraulic pipeline at least comprises a front oil supply pipeline, a function switching pipeline and a multi-way valve for connecting with oil supply pipelines of the fork truck. The function switching pipeline can form two independently-working oil ways on the front oil supply pipeline in a combined way. The two oil ways which are independent to each other do not interfere with each other. By using the fork laterally-moving distance-adjusting device of the fork truck, a fork assembly can achieve a laterally-moving function and a distance-adjusting function by means of only two oil cylinders and a set of oil supply pipelines. Moreover, the fork assembly can achieve a single-fork laterally-moving function and further achieve distance adjustment through the lateral movement of a signal fork. The positioning function of a fork on a fork frame is also realized.

Description

technical field [0001] The invention relates to a side shifting distance adjusting device of a fork truck, in particular to an oil circuit structure of the side shifting distance adjusting device of the goods fork. Background technique [0002] The fork of the forklift has a distance adjustment function, but the existing fork distance adjustment function is limited to the separation or closing of the forks. The Chinese patent disclosed on August 4th, 1999, the patent name is the special distance adjustment device for the new forklift fork, and the authorized notification number is that CN2331651Y discloses a kind of distance adjustment device for controlling the closing and separation of the forks. The device includes at least two forks, and a hydraulic circuit for pushing the forks. The two forks are movably mounted on the fork assembly and are controlled by two oil cylinders. The oil cylinder is connected with the hydraulic pipeline, and the oil inlet method of the oil c...

Claims

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Application Information

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IPC IPC(8): B66F9/22B66F9/14
Inventor 殷德林
Owner HANGZHOU GLOBAL FRIEND PRECISION MACHINERY
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