Test platform and test method for electromagnetic acceleration counterweight impact compression buffer tube

A test platform and test method technology, applied in the direction of impact test, machine/structural component test, measuring device, etc., can solve the problems of poor initial velocity control of impact buffer tube, large installation space of drop weight test tower, poor attitude stability, etc. Achieve the effects of improving reliability, improving test safety, and stabilizing motion posture

Active Publication Date: 2020-03-27
BEIJING MECHANICAL EQUIP INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above analysis, the present invention aims to provide a test platform and test method for electromagnetic acceleration counterweight impact compression buffer tube, to solve the problem of large installation

Method used

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  • Test platform and test method for electromagnetic acceleration counterweight impact compression buffer tube
  • Test platform and test method for electromagnetic acceleration counterweight impact compression buffer tube
  • Test platform and test method for electromagnetic acceleration counterweight impact compression buffer tube

Examples

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Example Embodiment

[0064] Example one

[0065] A specific embodiment of the present invention discloses an electromagnetic acceleration counterweight impact compression buffer tube test platform, such as Figure 1 to Figure 2 As shown, it includes the console 1, the control system 2, the power supply system 3, the installation base 4, the electromagnetic ejection system, the lock release device 7, the counterweight impact system, the support and guide device 11, the buffer tube installation platform 12, and the displacement speed sensor 14. And the data acquisition instrument 15, where the console 1 is used to set the parameters of the test platform and send operation commands, and can display the signals collected by the test platform in real time; the control system 2 is used to control the test platform; the power system 3 Provide power for the test platform; the electromagnetic ejection system is used to shoot the counterweight impact system horizontally, so that the counterweight impact system ...

Example Embodiment

[0093] Example two

[0094] Another specific embodiment of the present invention discloses a test method for impact compression buffer tube with electromagnetic acceleration counterweight. Based on the test platform of electromagnetic acceleration counterweight impact compression buffer tube in the first embodiment, the test method includes the following steps:

[0095] Step 1: Assemble the test platform in Example 1.

[0096] Place the mounting base 4 on a level ground, fix the electromagnetic catapult 5 and the buffer tube installation platform 12 on the mounting base 4, install the support guide 11, adjust the support guide 11 so that the guide rail of the support guide 11 is located Horizontal position; connect the mover 6, the lock release device 7 and the counterweight system 8.

[0097] Step 2: Install the buffer tube 13-3 to be tested.

[0098] Install and fix the buffer tube 13-3 on the buffer tube fixing device 13. The specific installation process is: insert the guide rod 13...

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Abstract

The invention relates to a test platform and a test method for an electromagnetic acceleration counterweight impact compression buffer tube, belongs to the technical field of impact compression tests,and solves the problems of large installation space, small speed range, poor initial speed controllability in front of an impact buffer tube, poor attitude stability in the impact process and low test efficiency of the existing drop hammer testing machine and drop hammer testing tower. The test platform comprises a control system, a mounting base, an electromagnetic ejection system, a counterweight impact system, a support guide device and a buffer tube mounting platform; the control system is used for controlling the test platform; the mounting base is horizontally arranged, and the electromagnetic ejection system is arranged on the mounting base and used for accelerating or decelerating the counterweight impact system in the horizontal direction; and the buffer tube mounting platform isarranged in front of the ejection direction of the electromagnetic ejection system. According to the invention, the required installation space is smaller, the environmental adaptability is better, the safety of personnel is prevented from being damaged by accidental falling of the drop hammer in the test process through the horizontal test, and the test safety is improved.

Description

technical field [0001] The invention relates to the technical field of impact compression tests, in particular to a test platform and a test method for electromagnetic acceleration counterweight impact compression buffer tubes. Background technique [0002] The buffer tube is a thin-walled part made of metal. The cross section is mostly circular or rectangular. When subjected to an impact load, the buffer tube produces plastic deformation through its own material to absorb the impact energy. It has the advantages of compact structure and high buffer efficiency. Therefore, it is often used as an energy-absorbing device for braking high-speed moving objects, such as automobiles, trains, and missile launchers. [0003] After the design of the buffer tube is completed, a large number of impact compression tests are required to verify its performance and reliability. At present, the most commonly used test method is the gravity drop weight test, including the use of drop weight ...

Claims

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Application Information

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IPC IPC(8): G01M7/08
CPCG01M7/08
Inventor 冉治国王启凡国艳丽王淑雅黄亮
Owner BEIJING MECHANICAL EQUIP INST
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