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Clamping device for tubular elastic parts

A technology for clamping devices and parts, which is applied in the field of clamping devices and achieves the effects of simple structure, convenient operation and reliable use.

Active Publication Date: 2017-02-01
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, there is no simple and convenient clamping device for stiffness measurement during the stiffness test of the tubular elastic parts, which can meet the requirements of fastness, convenience and interchangeability at the same time.

Method used

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  • Clamping device for tubular elastic parts
  • Clamping device for tubular elastic parts
  • Clamping device for tubular elastic parts

Examples

Experimental program
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Embodiment Construction

[0089] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0090] Please refer to attached picture. It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At t...

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Abstract

The invention provides a clamping device for tubular elastic parts in the technical field of clamping devices. The clamping device comprises a device base on which a rectangular base body of a part base is fixedly arranged, and a first clamping assembly and a second clamping assembly arranged on the two sides of the part base, respectively; each of the first clamping assembly and the second clamping assembly comprises a supporting round rod, a hold-down spring, a beam type pressing bar, a locking piece and a height adjusting screw; the supporting round rod is fixed on the device base; the hold-down spring, the beam type pressing bar and the locking piece orderly sleeve the supporting round rod; an adjusting threaded hole is formed in a clamping force adjusting end of the beam type pressing bar; a threaded end of the height adjusting screw extends out of the adjusting threaded hole, and an end face of the threaded end of the height adjusting screw is in contact with the device base; a height adjusting cushion block is placed on the part base; a block supporting recess and a block positioning recess are formed in a top surface and a bottom surface of the height adjusting cushion block, respectively. The clamping device is simple in structure; stiffness measurement efficiency and accuracy of tubular elastic parts are improved.

Description

technical field [0001] The invention relates to the technical field of clamping devices, in particular to a clamping device for tubular elastic parts. Background technique [0002] As one of the main power sources and energy transfer units, the electro-hydraulic system is widely used in the field of industrial control. In this system, the electrohydraulic servo valve is the main control unit. The performance of the torque motor composed of electromagnetic components, elastic parts and fluid determines the control accuracy of this type of servo valve. The elastic parts in the torque motor are used as force-sensitive devices to obtain feedback control signals. The stiffness characteristics of the elastic parts have an important impact on the performance of the electro-hydraulic servo valve, which determines the control accuracy, sensitivity and other performance indicators of the electro-hydraulic servo valve. [0003] During the design process of the electro-hydraulic serv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B25B11/00
Inventor 雷华明李红兵刘伟文赵辉
Owner SHANGHAI JIAO TONG UNIV
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