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A kind of in-line hydraulic damper

A hydraulic damper, in-line technology, applied in the field of hydraulic dampers, to achieve the effect of reducing coaxiality requirements, improving reliability and ensuring product quality

Active Publication Date: 2020-01-03
HOHAI UNIV CHANGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention proposes an in-line hydraulic damper, which solves the above-mentioned problem of adding a temperature compensation device

Method used

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  • A kind of in-line hydraulic damper
  • A kind of in-line hydraulic damper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, an in-line hydraulic damper includes a right pin head 1, a right end cover 2, a first cylinder 3, a piston assembly 4, a second cylinder 5, a left piston rod 6, a left pin head 7, and a left end cover 8 , middle end cover 9, temperature compensation auxiliary piston 10, liquid level gauge 11, spring 12 and right piston rod 13;

[0031] The right pin head 1 and the right end cover 2 are welded together; the center of the left part of the right end cover 2 is processed with a first spring seat hole 2-1; the right pin head 1 is provided with a damper right mounting hole B;

[0032] The left and right ends of the inner hole of the first cylinder 3 are respectively processed with a left-end internal thread and a right-end internal thread, and the right side of the left-end internal thread of the first cylinder 3 is processed with a first cylinder annular groove 3-1 , the upper part of the annular groove 3-1 of the first cylinder is provided with a...

Embodiment 2

[0054] Such as figure 2 As shown, as another preferred solution, when the other structure of the above-mentioned damper is the same as that of Embodiment 1, the piston assembly 4 has a piston damping channel 4-1 axially penetrated inside, and at the same time, a locking check valve is installed. Group.

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Abstract

The invention discloses a straight line type hydraulic damper. The straight line type hydraulic damper comprises a right pin head (1), a right end cover (2), a first cylinder barrel (3), a piston assembly (4), a second cylinder barrel (5), a left piston rod (6), a left pin head (7), a left end cover (8), a middle end cover (9), a temperature compensation auxiliary piston (10), a liquid level meter(11), a spring (12) and a right piston rod (13). According to the straight line type hydraulic damper, through an innovated structure design, a double-piston-rod hydraulic damper body and a temperature compensation device are arranged in a straight line, so that on one hand, the radial size of the hydraulic damper is reduced, on the other hand, the coaxiality requirement of the temperature compensation auxiliary piston is reduced, then the machining process performance of the straight line type hydraulic damper is greatly improved, the product quality is fully guaranteed, the reliability of the product is improved, and the straight line type hydraulic damper has a wide application prospect.

Description

technical field [0001] The invention relates to a hydraulic damper, in particular to an in-line hydraulic damper, which belongs to the field of electric and electromechanical technology. Background technique [0002] At present, hydraulic dampers are widely used in the field of anti-vibration and shock absorption. For the hydraulic damper with double piston rods, the symmetry of the damping performance formed by the tension and compression movement is better. Changes, the installation of temperature compensation devices must be considered. Contents of the invention [0003] The invention proposes an in-line hydraulic damper, which solves the above-mentioned problem of adding a temperature compensation device. [0004] Technical scheme of the present invention is as follows: [0005] An in-line hydraulic damper, comprising a right pin head, a right end cover, a first cylinder, a piston assembly, a second cylinder, a left piston rod, a left pin head, a left end cover, a mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F9/19F16F9/32F16F9/34F16F9/43
CPCF16F9/19F16F9/3214F16F9/3235F16F9/3242F16F9/34F16F9/3405F16F9/43F16F2222/02F16F2230/0047F16F2230/06F16F2232/08
Inventor 钱雪松
Owner HOHAI UNIV CHANGZHOU