a lifting cylinder

A technology for lifting cylinders and cylinder blocks, applied in the direction of fluid pressure actuating devices, etc., can solve problems such as impossibility and impact tests, and achieve the effects of increasing lifting speed, good shock absorption effect, and increasing lifting height

Inactive Publication Date: 2017-05-17
SUZHOU FNS VIBRATION SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The impact test benches in the prior art usually use mechanical mechanisms such as cams or hydraulic lifts to achieve lifting, which cannot carry out high-energy, two-way impact tests

Method used

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Examples

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Embodiment Construction

[0038] Specific embodiments of the present invention will be further described in detail below.

[0039] Such as figure 1 with 2 As shown, the present invention includes a cylinder 2 with a first inner chamber 1, a piston 4 arranged in the cylinder 2 and slidable along its inner wall, and connected to the first end of the cylinder 2, A base 6 capable of inputting gas into the cylinder 2, a piston rod 8 passing through the second end of the cylinder 2 is fixedly connected to the piston 4, and the piston rod 8 is connected to the second end The parts are dynamic and sealed connections, characterized in that the base 6 includes:

[0040] -The seat body is provided with a second inner cavity 12, and the first inner cavity 1 communicates with the second inner cavity 12 through the first through hole 11 arranged at the first end;

[0041] - a first exhaust passage 13, arranged on the outer wall of the seat body, communicating with the first through hole 11 through the second inne...

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PUM

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Abstract

The invention discloses a novel lifting cylinder. The novel lifting cylinder comprises a cylinder body (2) with a first inner cavity (1), a piston (4) which is arranged inside the cylinder body (2) and can slide along the inner wall of the cylinder body (2), and a base (6) which is connected to the first end of the cylinder body (2) and can input gas to the cylinder body (2). The piston (4) is further fixedly connected with a piston rod (8) which penetrates through the second end of the cylinder body (2). The piston rod (8) is connected with the second end of the cylinder body (2) in a dynamic sealing mode. The novel lifting cylinder achieves fast gas advance and retreat, and can provide larger energy, hoist the height and increase the frequency for an impact test stand when being applied to the field of impact and collision tests.

Description

technical field [0001] The invention relates to a lifting cylinder. Background technique [0002] The impact test bench is a machine used in the laboratory to simulate the ability of the product to withstand impact damage in actual use. The impact test bench is used to evaluate the adaptability of the product to the impact environment, and then the structural strength of the product is optimized through the test data to correctly evaluate the product. Shock resistance can effectively improve the reliability of product use. [0003] The impact test benches in the prior art usually use mechanical mechanisms such as cams or hydraulic lifts to realize lifting, and cannot perform high-energy, two-way impact tests. [0004] For this reason, it is urgent to provide a kind of impact test equipment with large impact energy and faster impact frequency, and the most important and critical equipment in the impact device is the cylinder. Contents of the invention [0005] The object ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/20
CPCF15B15/14F15B15/20
Inventor 吕兴东宋雪芹许坚
Owner SUZHOU FNS VIBRATION SYST
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