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Hydraulic cylinder

A hydraulic cylinder and cylinder barrel technology, applied in the field of hydraulic cylinders, can solve the problems that the anti-rotation structure is inconvenient to set the hydraulic cylinder stroke detection structure, which is not conducive to stroke detection, etc., and achieve the effects of compact structure, reduced processing difficulty, and improved automation

Pending Publication Date: 2022-03-25
XCMG HYDRAULICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Adding an anti-rotation structure is inconvenient to set up a hydraulic cylinder stroke detection structure, which is not conducive to realizing the stroke detection function

Method used

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  • Hydraulic cylinder
  • Hydraulic cylinder
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Embodiment Construction

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way intended as any limitation of the disclosure, its application or uses. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.

[0038] Relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise. At the same time, it should be understood that, for...

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Abstract

The invention provides a hydraulic cylinder which comprises a cylinder barrel assembly, and at least one first stop structure is arranged on the radial outer side of the cylinder barrel assembly. The piston rod assembly is slidably arranged relative to the cylinder barrel assembly; the sleeve is arranged outside the cylinder barrel assembly, at least one second stop structure is arranged on the radial inner side of the sleeve, and the first stop structure and the second stop structure are matched with each other in the circumferential direction of the hydraulic cylinder so as to limit relative rotation of the piston rod assembly and the cylinder barrel assembly; the first stop structure and the second stop structure are slidably arranged in the axial direction of the hydraulic cylinder, and the piston rod assembly is fixedly connected with the sleeve; and the displacement sensor is arranged on the hydraulic cylinder and is configured to detect the displacement of the piston rod assembly relative to the cylinder barrel assembly.

Description

technical field [0001] The present disclosure relates to the field of hydraulic technology, in particular to a hydraulic cylinder. Background technique [0002] The cylinder barrel and piston rod of the hydraulic cylinder are mostly cylindrical structures. Limited by their own structure, the cylinder barrel and the piston rod have a degree of freedom of relative rotation. During the working process of the hydraulic cylinder, the structure connected to the cylinder barrel and the piston rod Parts are prone to rotation, which increases the load of the hydraulic cylinder and accelerates the wear and deformation of the hydraulic cylinder seal. In order to reduce these effects, it is necessary to add an anti-rotation structure. Adding an anti-rotation structure is not convenient for setting a hydraulic cylinder stroke detection structure, and is not conducive to realizing the stroke detection function. Contents of the invention [0003] The purpose of the present disclosure is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14F15B19/00
CPCF15B15/14F15B15/1457F15B15/1447F15B19/00
Inventor 郑圆圆陈登民刘庆教刘朋翟新颖刘梅红
Owner XCMG HYDRAULICS CO LTD