Pneumatic device for pneumatic type horizontal impact table

A pneumatic device and impact table technology, which is applied in the direction of measuring device, impact test, machine/structural component test, etc., can solve the problems of insufficient assessment of spacecraft products, high quality, and poor uniformity of the table surface.

Inactive Publication Date: 2014-04-09
BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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Problems solved by technology

The disadvantages of this method are: the uniformity of the table is not good, the inflection point of the shock response spectrum is higher than 2000Hz, and the shock test of only a few kilograms of products can be completed
[0005] At present, the impact test level of spacecraft products is generally required to exceed 1000g, and the impact test level of some products has reached 2000g, and even the impact test level of some models exceeds 3000g. 200kg, the current technical conditions of the test cannot meet the needs of the test
In order to meet the needs of

Method used

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  • Pneumatic device for pneumatic type horizontal impact table
  • Pneumatic device for pneumatic type horizontal impact table
  • Pneumatic device for pneumatic type horizontal impact table

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Experimental program
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Embodiment Construction

[0024] like figure 1 As shown, a pneumatic device of a pneumatic horizontal impact table includes: an impact push plate 1, an impact cylinder 2, a cylinder bracket 3 and an air storage cylinder 4, and the impact push plate 1 is fixed to the piston in the impact cylinder 2 through a mechanical connection. On the push rod, the impact cylinder 2 is connected with the air storage cylinder 4, and the impact cylinder 2 and the air storage cylinder 4 are fixed on the base of the impact table through the cylinder bracket 3.

[0025] like Figure 2-6 As shown, the impact cylinder 2 is a pneumatic power device that provides impact thrust for the impact table. When the test is not carried out, there is no gas in the impact cylinder 2. The impact cylinder 2 is composed of a piston rod 5, a shaft sleeve 6, an upper valve block 7, and a piston gasket. 10. Piston 13, piston gasket 14, lower valve seat 17, valve 19, lower valve cover 20, lower valve block 22, spring 24, valve gasket 25 and c...

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Abstract

The invention relates to a pneumatic device for a pneumatic type horizontal impact table. The pneumatic device for the pneumatic type horizontal impact table comprises an impact push plate, an impact air cylinder, an air cylinder support and an air storage cylinder, wherein the impact push plate is fixedly arranged on a piston rod in the impact air cylinder, the impact air cylinder is connected with the air storage cylinder, and the impact air cylinder and the air storage cylinder are fixedly arranged on an impact table base through the air cylinder support. The energy of the pneumatic device for the pneumatic type horizontal impact table is much larger than that of pendulum bob impact on the aspect of achieving the maximum impact energy of impact hammers, and thus the demands of high-order impact response spectrum simulation test verification of spacecraft products can be met.

Description

technical field [0001] The invention belongs to the field of spacecraft dynamics test, in particular to a pneumatic device of a pneumatic horizontal impact platform. Background technique [0002] During the full mission of the spacecraft, it needs to experience various types of mechanical environments, including vibration, noise, shock, acceleration, etc. Among them, the impact environment is mainly generated by various pyrotechnic devices on the spacecraft during the working process. The explosion impact environment is one of the most intense dynamic environments experienced by the spacecraft. It should be completed by means of explosive shock environment simulation test to improve the reliability of the product. After the release of GJB1027A, the shock response spectrum test is used to simulate the explosion impact, and the shock response spectrum test requires higher equipment capabilities. At present, it is mainly realized in two ways. One is to calculate the correspon...

Claims

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Application Information

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IPC IPC(8): G01M7/08
Inventor 方贵前晏廷飞沈志强于丹吕兴东朱子宏徐坚
Owner BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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