Simple pneumatic lifting and rapid releasing vertical automatic impact cylinder

A pneumatic lifting and impact cylinder technology, applied in the direction of applying repeated force/pulsation force to test the strength of materials, instruments, measuring devices, etc., can solve the problems of high cost, large laboratory area, complex structure, etc., and achieve small frictional resistance, The effect of low air resistance

Inactive Publication Date: 2020-08-07
CHONGQING UNIV OF ARTS & SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these two technologies have relatively complex structures, occupy a large laboratory area, have high costs, and have high safety requirements. They are only suitable for high-acceleration mechanical environmental tests of light-weight and small-volume test pieces.

Method used

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  • Simple pneumatic lifting and rapid releasing vertical automatic impact cylinder
  • Simple pneumatic lifting and rapid releasing vertical automatic impact cylinder
  • Simple pneumatic lifting and rapid releasing vertical automatic impact cylinder

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Embodiment Construction

[0022] figure 1 It is a schematic diagram of the overall structure of the present invention, figure 2 for figure 1 sectional view of image 3 for figure 1 A cross-sectional view from the other direction, Figure 4 is the schematic diagram of the structure of the intake seat, Figure 5 It is a sectional view of the control cylinder, as shown in the figure, the simple pneumatic lifting and quick release vertical automatic impact cylinder in this embodiment includes a high-pressure gas cannon for generating high-acceleration impact force, impact cylinder 1 and control cylinder 2;

[0023] The impact cylinder 1 includes a cylinder body 11, a piston 12 and a piston rod 13. The piston 12 is fixedly mounted on the piston rod 13. The piston 12 is used to receive the high pressure generated by the high-pressure gas gun to drive the piston rod 13 in the cylinder. High-speed movement occurs in the body 11;

[0024] The control cylinder 2 is used to provide controllable braking for...

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Abstract

The invention discloses a simple pneumatic lifting and rapid releasing vertical automatic impact cylinder which comprises a high-pressure gas gun used for generating high-acceleration impact force, animpact cylinder body and a control cylinder. The impact cylinder comprises a cylinder body, a piston and a piston rod, the piston is fixedly mounted on the piston rod, and the piston is used for receiving high pressure generated by the high-pressure gas gun to drive the piston rod to move at a high speed in the cylinder body; the control cylinder is used for providing controllable braking for thepiston rod. The simple pneumatic lifting and rapid releasing vertical automatic impact cylinder can be suitable for realizing a high-acceleration impact mechanical environment test, the test condition is easy to meet, the cost is low, the use is convenient, and the excitation of the high-acceleration impact mechanical environment can be safely and reliably realized by multiple times of repetition.

Description

technical field [0001] The invention relates to the technical field of high-acceleration impact excitation tests in mechanical environments, in particular to a simple pneumatic lifting and quick-release vertical automatic impact cylinder. Background technique [0002] High-acceleration shock excitation technology is an important aspect in high-acceleration shock mechanics environmental tests. The excitation technology that uses the energy released quickly by compressed air to realize the high-acceleration impact mechanical environment has been practically applied in the Hopkinson compression rod technology and air cannon technology. The Hopkinson compression rod technology uses high-pressure gas to push the accelerated bullet to hit the transmission rod. Based on the one-dimensional stress wave theory of the transmission rod, a high-acceleration impact mechanical environment is obtained. The test piece is fixed at the other end of the transmission rod; the existing air canno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/36G01N3/02
CPCG01N3/02G01N3/36G01N2203/0044
Inventor 段正勇
Owner CHONGQING UNIV OF ARTS & SCI
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