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Spring cement shock absorber

A shock absorber and cement technology, applied in the direction of spring/shock absorber, shock absorber, spring, etc., can solve the problems of difficult reset, high material cost, complex structure, etc., and achieve easy reset, simple manufacture, and low manufacturing cost Effect

Active Publication Date: 2015-12-09
CHINA ELECTRIC POWER RES INST +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing shock absorbers use shape memory alloys that have shape memory effects in different temperature environments to make energy-dissipating parts, which can improve the energy-dissipating capacity of the energy-dissipating parts of the shock absorber, but there are problems with high material costs, complex structures, and difficulty in resetting after deformation and other shortcomings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as figure 1 As shown, a spring cement shock absorber, the shock absorber includes a cylindrical cylinder 1 with a boss on the top and a shock absorbing member arranged in the cylinder 1, and the cylindrical cylinder 1 includes an upper cylinder 1- 1 and the lower cylinder body 1-2, the upper cylinder body 1-1 is provided with a limit ring 4 equal to its outer diameter, and the damping member includes a piston rod 5 and a spring 6 coaxially arranged with the cylinder body 1 ; The piston rod 5 is a cylindrical lower limit block 5-1, a connecting rod I 5-2, a piston 5-3, a connecting rod II 5-4, an upper limit block 5-5 and a connecting piece coaxially arranged in sequence from bottom to top Ⅲ5-6, the inner wall of the lower cylinder 1-2 is provided with an annular upper partition 2-1 and a lower partition 2-2 to divide the inner cavity of the lower cylinder 1-2 into an upper cavity 7-1, a middle cavity Body 7-2 and lower cavity 7-3, the upper partition 2-1 and the l...

Embodiment 2

[0055] The structure is consistent with Example 1, wherein:

[0056] The inner diameter of the upper shell 1-1 is 5 / 6 of the inner diameter of the lower shell 1-2;

[0057] The outer diameter of the connecting rod III5-6 is 15 / 16 of the inner diameter of the upper shell 1-1, and the height of the connecting rod III5-6 is 1.2 times the height of the upper shell 1-1;

[0058] The outer diameter of lower limit block 5-1, piston 5-3 and upper limit block 5-5 is equal to 15 / 16 of the inner diameter of lower shell 1-2, and the outer diameter of connecting rod Ⅰ 5-2 and connecting rod Ⅱ 5-4 is equal to piston 5 -3 1 / 2 of the outer diameter;

[0059] The radial thickness of the annular sealing ring 3 is 1 / 20 of the outer diameter of the connecting rod;

[0060] The raw materials used for the preparation of shock-absorbing rubber include the following components in parts by mass: 50 parts of nitrile rubber, 50 parts of hydrogenated nitrile rubber, 30 parts of carboxylated nitrile rub...

Embodiment 3

[0063] The structure is consistent with Example 1, wherein:

[0064] The inner diameter of the upper shell 1-1 is 1 / 2 of the inner diameter of the lower shell 1-2;

[0065] The outer diameter of the connecting rod III5-6 is 5 / 8 of the inner diameter of the upper shell 1-1, and the height of the connecting rod III5-6 is 1.1 times the height of the upper shell 1-1;

[0066] The outer diameter of lower limit block 5-1, piston 5-3 and upper limit block 5-5 is equal to 5 / 8 of the inner diameter of lower shell 1-2, and the outer diameter of connecting rod Ⅰ 5-2 and connecting rod Ⅱ 5-4 is equal to piston 5 -2 / 5 of the outer diameter of 3;

[0067] The radial thickness of the annular sealing ring 3 is 1 / 30 of the outer diameter of the connecting rod;

[0068] The raw materials used for the preparation of shock-absorbing rubber include the following components in parts by mass: 40 parts of nitrile rubber, 40 parts of hydrogenated nitrile rubber, 25 parts of carboxylated nitrile rubb...

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Abstract

The invention provides a spring cement shock absorber. The shock absorber comprises a shell (1) and a shock absorption component in the shell (1), wherein the shell (1) is composed of two cylinders which are arranged coaxially and are different in diameter. The shell (1) comprises an upper shell body (1-1) and a lower shell body (1-2), and the upper shell body (1-1) is provided with a limiting ring (4) with the outer diameter equal to that of the upper shell body (1-1). The shock absorption component comprises a piston rod (5) and a spring (6). The piston rod comprises a cylindrical connecting rod III (5-6), an upper limiting block (5-5), a connecting rod II (5-4), a piston (5-3), a connecting rod I (5-2) and a lower limiting block (5-1) which are coaxially arranged in sequence from top to bottom. The upper limiting block (5-5), the piston (5-3), the lower limiting block (5-1) and an annular upper separation plate (2-1) and a lower separation plate (2-2) on the inner wall of the lower shell body (1-2) are sequentially arranged in a staggered manner. The shock absorber has the multiple shock absorption functions of the piston, elastic cement and a rubber cushion, the shock absorber can reset easily after deforming, the shock absorption energy-dissipating capacity is high, and resetting is easy after shock absorption.

Description

technical field [0001] The invention relates to a shock absorbing device, in particular to a spring cement shock absorber. Background technique [0002] Power facilities in earthquake-prone areas need to have good seismic performance. Install shock absorbers in power facilities to improve the seismic performance of power facilities. [0003] Existing shock absorbers use shape memory alloys that have shape memory effects in different temperature environments to make energy-dissipating parts, which can improve the energy-dissipating capacity of the energy-dissipating parts of the shock absorber, but there are high material costs, complex structures, and difficulty in resetting after deformation and other shortcomings. Contents of the invention [0004] In order to overcome the above-mentioned defects in the prior art, the invention provides a spring mastic shock absorber. The shock absorber piston, elastic mastic, and rubber pad have multiple shock absorption functions, wh...

Claims

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Application Information

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IPC IPC(8): F16F9/30F16F9/32F16F9/36F16F13/08
Inventor 卢智成张谦孙宇晗吉晔钟珉刘振林朱祝兵高坡林森李圣
Owner CHINA ELECTRIC POWER RES INST
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