Pendulum hanging and swinging mechanism for oscillography impact testing machine

A technology of impact testing machine and pendulum mechanism, which is applied in the direction of applying repetitive force/pulsation force to test the strength of materials, etc., can solve the problems of inaccurate measurement, unchangeable impact energy, and fixed pendulum angle.

Inactive Publication Date: 2009-11-04
上海聚德永升测控系统有限公司
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Problems solved by technology

[0003] The object of the present invention is to provide a pendulum hanging mechanism of an oscillometric impact testing machine to solve the problem that the pendulum lifting angle of the existing oscillometric impact testing machine is fixed, the impact speed cannot be changed, the impact energy cannot be changed, and the oscillometric Narrow application range of impact testing machine, inaccurate measurement and other problems

Method used

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  • Pendulum hanging and swinging mechanism for oscillography impact testing machine

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Embodiment Construction

[0010] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0011] refer to figure 1 , including a pendulum 1 and a host 2 in the figure, and the pendulum 1 is connected to the host 2 through a pendulum shaft 3 .

[0012] The present invention also includes a three-part device, i.e. a decoupling device, a buffer device and a swing angle adjustment device. The decoupling device includes: an electromagnetic magnet 11, a support seat 12 for supporting the electromagnetic magnet 11, and the outer side of the support seat 12 is provided with Pull bar 13 is arranged, and pull bar 13 links to each other with an end of a spring 14, and the other end of spring 14 links to each other with a hook shaft 16, and the hook shaft 16 is provided with a hook 15, and the hook 15 links to each other with a hammer hook 17. ...

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Abstract

The invention discloses a pendulum hanging and swinging mechanism for an oscillography impact testing machine, which comprises a main machine, a pendulum, an off-hooking device, a buffer unit and a lifting-swinging angle adjusting device, wherein the pendulum is connected with the main machine through a pendulum rotating shaft; the off-hooking device comprises electromagnetic absorbing iron and a supporting seat for supporting the electromagnetic absorbing iron, the outer side of the supporting seat is provided with a pull rod which is connected with one end of a spring, the other end of the spring is connected with a hook shaft which is provided with a hook, and the hook is connected with a hammer hook; the buffer unit comprises a buffer spring which is connected with a buffer head, and the outer side of the buffer head is provided with a limit switch; and the lifting-swinging angle adjusting device comprises an adjusting disc provided with an arc chute. The pendulum hanging and swinging mechanism applied to the same pendulum of the same oscillography impact testing machine can accurately and quantitatively change the impact velocity and the impact energy, and widen a larger space for impact performance tests of materials.

Description

Technical field: [0001] The invention relates to the field of oscillometric impact testing machines, and in particular to a pendulum hanging mechanism of the oscillometric impact testing machine. Background technique: [0002] Now the pendulum of the general oscillometric impact testing machine on the market can not change the swing angle, so the impact speed is constant, so in the case of the same pendulum, the impact energy is constant. Since the swing angle of the pendulum cannot be changed, we cannot use it to accurately and quantitatively change the impact velocity and impact energy, which limits the wider application range of the oscillometric impact tester. Invention content: [0003] The object of the present invention is to provide a pendulum hanging mechanism of an oscillometric impact testing machine to solve the problem that the pendulum lifting angle of the existing oscillometric impact testing machine is fixed, the impact speed cannot be changed, the impact e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/34
Inventor 董文军
Owner 上海聚德永升测控系统有限公司
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