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Follow-up hydraulic cylinder

A hydraulic cylinder and hydraulic cavity technology, applied in the hydraulic field, can solve the problems of long length, impurity damage to the cylinder, easy bending damage, etc., and achieve the effect of prolonging the service life

Pending Publication Date: 2022-04-12
江苏华林气动液压成套设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The sensor of the traditional follow-up hydraulic cylinder has no sheath, and impurities will seep into the cylinder during operation and cause damage to the cylinder, and the sensor is small in diameter and long in length, easy to bend and damage, the measurement scale is inaccurate, and the fluctuation is large

Method used

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Embodiment

[0021] Such as figure 1 As shown, it is a servo hydraulic cylinder proposed by the present invention, which includes a cylinder 1 , a piston 2 and a piston rod 3 . Wherein, the piston 2 is located at the tail end of the piston rod 3 and extends into the cylinder 1, the outer wall of the piston 2 is in sliding and sealed connection with the inner wall of the cylinder 1, and the tail end of the piston rod 3 is provided with a rod protruding from the tail end of the piston rod 3. A rod-shaped sensor 4, the tail end of the cylinder 1 is sealed with a tail cover 5 for protecting the rod-shaped sensor 4.

[0022] Specifically, the tail end of the piston rod 3 is provided with a mounting groove 31 opened along the length direction of the piston rod 3 , and the rod-shaped sensor 4 is fixed in the mounting groove 31 through the wear-resistant ring 6 and the magnetic isolation spacer 7 . The wear-resistant ring 6 is fixed on the rod-shaped sensor 4 and is located at the part extending ...

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Abstract

The follow-up hydraulic cylinder comprises a cylinder barrel, a piston and a piston rod, the piston is arranged at the tail end of the piston rod and extends into the cylinder barrel, the outer wall of the piston is in sliding sealing connection with the inner wall of the cylinder barrel, and a rod-shaped sensor extending out of the tail end of the piston rod is arranged at the tail end of the piston rod. And the tail end of the cylinder barrel is hermetically connected with a tail cover for protecting the rod-shaped sensor. According to the follow-up hydraulic cylinder, the rod-shaped sensor is protected through the tail cover, and the rod-shaped sensor is prevented from making contact with the external environment, so that dust and impurities are prevented from being brought into the oil cylinder, and the service life of the hydraulic cylinder is prolonged.

Description

technical field [0001] The invention relates to the field of hydraulic technology, in particular to a servo hydraulic cylinder. Background technique [0002] With the rapid development of the economy, hydraulic cylinders have more and more functions and a wider range of applications. The hydraulic cylinders can convert hydraulic energy into mechanical energy and perform linear reciprocating motion. [0003] The sensor of the traditional follow-up hydraulic cylinder has no sheath, and impurities will seep into the cylinder during operation and cause damage to the cylinder, and the sensor has a small diameter and a long length, which is easy to bend and damage, and the measurement scale is inaccurate and fluctuates greatly. [0004] Therefore, aiming at the deficiencies in the prior art, it is necessary to design a servo hydraulic cylinder to solve the above problems. Contents of the invention [0005] In order to overcome the deficiencies in the above-mentioned prior art, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14F15B15/28
Inventor 张长林严涛程明华
Owner 江苏华林气动液压成套设备有限公司