High-speed tensile test steel plate sample piece clamp

A technology of high-speed stretching and steel plates, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as test failure, sample falling off, affecting the accuracy of test data, etc.

Inactive Publication Date: 2014-03-26
CHONGQING CHANGAN AUTOMOBILE CO LTD
View PDF8 Cites 7 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the high-speed tensile state, the strain rate of the sample is usually 100-500/S, which is hundreds of thousands of times that of the quasi-static 0.001/S. Therefore, the current clamping method is easy to cause the sample to fall off, and the test fails; another On

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • High-speed tensile test steel plate sample piece clamp
  • High-speed tensile test steel plate sample piece clamp

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] Below in conjunction with accompanying drawing, further illustrate the structure of the present invention namely using method:

[0014] see figure 2 , the high-speed tensile test steel plate sample fixture has the same upper clamping clamp 11, lower clamping clamp 12 and locking device 13 as the existing clamps, the upper clamping clamp and the lower clamping clamp form a clamp shape symmetrically up and down, and the front end For the jaw, the rear end is installed in the locking device. Its improvement lies in:

[0015] Each of the upper clamping pliers 11 and the lower clamping clamp 12 has a corresponding bolt hole for loading a locking bolt 14 . After the locking device 13, a base 15 loaded with an elastic connecting device is added. The base 15 has two seat plates 16 arranged in parallel, and the two seat plates 16 are welded together by two buffer springs 17 , and the locking device 13 is connected to one of the seat plates 16 by a pair of bolts 18 .

[0016...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a high-speed tensile test steel plate sample piece clamp. The high-speed tensile test steel plate sample piece clamp comprises an upper holding forcep, a lower holding forcep and a locking device, wherein a clamp forceps shape is formed by the upper holding forcep and the lower holding forcep which are symmetrical up and down; the rear ends of the upper holding forcep and the lower holding forcep are mounted in the locking device. Each of the upper holding forcep and the lower holding forcep is provided with a corresponding bolt hole and a locking bolt which penetrates through the two bolt holes is arranged to lock the upper holding forcep and the lower holding forcep; the rear end of the locking device is mounted on a base; an elastic device is arranged on the base and the base is provided with two seat plates which are arranged in parallel; a buffering spring is connected between the two seat plates. According to the clamp, on the basis of keeping the structure of a previous static stretching test clamp, the locking bolt structure is additionally arranged on the upper holding forcep and the lower holding forcep so that the clamping force on a steel plate sample piece is improved; the elastic connection device is arranged so as to realize the flexible connection of the clamp and stretching test equipment and the influences on testing data by stretching impacts are reduced.

Description

technical field [0001] The invention relates to a high-speed tensile test, in particular to a steel plate sample fixture for a high-speed tensile test. Background technique [0002] With the gradual promotion of the application of CAE technology in the field of automobile safety, the demand for mechanical property data of steel plate materials at high strain rates is increasing, and the mechanical property data at high strain rates are mainly achieved through high-speed tensile tests. The current high-speed tensile test of steel plate materials still uses the quasi-static tensile test fixture, see figure 1 . The clamp is composed of an upper clamp 11 , a lower clamp 12 and a locking device 13 . The sample is clamped by the static friction force produced by the pressing of the upper clamping pliers 11 and the lower clamping clamp 12 , and the tightening degree is controlled by the locking degree of the locking device 13 . However, in the high-speed tensile state, the strai...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G01N3/04
Inventor 陈浩铭何平项正波王锐廖祎
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap