Spring parallel connection variable-stiffness friction-adjustable buffer

A friction and adjustable technology, applied in the direction of spring/shock absorber, shock absorber, shock absorber, etc., can solve the problem of large axial size and inappropriate installation space, and achieve small axial size and simple installation. , The effect of low production cost

Inactive Publication Date: 2019-04-05
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this variable stiffness damping device is that the axial dimension is relative...

Method used

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  • Spring parallel connection variable-stiffness friction-adjustable buffer
  • Spring parallel connection variable-stiffness friction-adjustable buffer
  • Spring parallel connection variable-stiffness friction-adjustable buffer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0060]The spring parallel variable stiffness friction adjustable buffer shown in this embodiment includes a pull rod 1, an end cover 2, an inner ring spring 3, an outer ring spring 4, an outer sleeve 5, an inner sleeve 6, a pull rod buckle 7, and an outer sleeve. Sleeve buckle spring 8, outer sleeve buckle 9, outer hoop 10, plug 11, adjustment spring 12, friction block 13, pull rod buckle spring 14. The pull rod 1 has a through pull rod round hole 101 and a pull rod square hole 108 , the axis of the pull rod round hole 101 is vertically upward with the axis of the pull rod square hole 108 , and is perpendicular to the axis of the pull rod 1 . The pull rod 1 has a pull rod cover 1014 , a first pull rod shoulder 106 and a second pull rod shoulder 109 in sequence. The rod cover 1014 has a first end surface 102 of the rod cover, a cylindrical surface 103 of the rod cover, and a second end surface 104 of the rod cover. The pull rod 1 has a pull rod front cylinder 105 and a pull ro...

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Abstract

The invention relates to a spring parallel connection variable-stiffness friction-adjustable buffer. A barrel drives a pull rod to move backward together, the pull rod moves backward relative to an outer sleeve and a friction plate, under the positive pressure of the elastic force of adjusting springs, the sliding friction force is generated between the pull rod and friction blocks, the friction force can dissipate part of the recoil energy in the process of system recoil movement, and the magnitude of the friction force can be controlled by changing the positive pressure of the adjusting springs; meanwhile, parallel connection springs of a system have certain pre-pressure; in the buffering process, the pull rod drives pull rod buckles to move backward; when the pull rod buckles jack outersleeve buckles up, an inner sleeve releases the constraint and moves backward under the action of an inner ring spring; and at this time, the system is in a single spring compression state, and the buffering movement is made to be more stable.

Description

technical field [0001] The invention belongs to the technical field of inertial vibration excitation of vibratory machinery, in particular to a spring parallel connection variable stiffness friction adjustable buffer. Background technique [0002] Spring-loaded buffers are the most widely used in firearms. And though existing spring buffer is simple in structure, barrel recoil displacement is big, and recoil force is big, and makes barrel recoil move forward and reciprocates vibration time elongated, influences the precision of the continuous shooting of system. For this reason, system designers try to design parallel spring sets and pressure-adjustable friction blocks inside the buffer to increase the performance of the buffer. [0003] In order to solve the above problems of the spring buffer, the main method currently used is a buffer device that combines constant friction with a spring buffer (ZL 201518003333.5). However, due to the uncontrollable friction, the performa...

Claims

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Application Information

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IPC IPC(8): F16F7/104
CPCF16F7/104
Inventor 印圣邱明何璇宋杰司鹏廖振强王涛肖俊波廖章俊
Owner NANJING UNIV OF SCI & TECH
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