Pendulum-type impact tester

An impact testing machine, hammer type technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problem that the machine can only do simple beam type or cantilever beam type, can not do multi-energy impact test at the same time, increase the number of laboratories The cost of the instrument and other issues can be easily changed to achieve the effects of changing the impact energy and impact speed, small wind resistance, and convenient debugging

Active Publication Date: 2009-12-16
承德市金建检测仪器有限公司
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AI Technical Summary

Problems solved by technology

The existing deficiencies of this pendulum type impact testing machine are mainly manifested in the following aspects: 1. The structure of the above-mentioned pendulum body makes the center of mass of the hammer difficult to fix, and it is necessary to repeatedly counterweight to ensure that the center of mass is on the impact point , otherwise t

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Embodiment Construction

[0017] Such as figure 1 and figure 2 As shown, a pendulum type impact testing machine of the present invention is composed of a frame 1, a pendulum, a jaw seat and a pendulum suspension mechanism, the pendulum is composed of a hammer body 3 and a hammer blade, and the suspension mechanism is composed of a suspension shaft 4 and the support arm 2 that is set on the suspension shaft 4 and the support block 5 on the support arm. The hammer body of the pendulum 3 is a fan-shaped structure. The size of the fan-shaped surface is related to the energy of the designed hammer body and can be changed at will. There are a certain number of counterweight holes 6 of different sizes, which can be assembled with weights of different sizes. The small end of the fan-shaped hammer body is the shaft hole matched with the suspension shaft 4, and the large end of the fan-shaped hammer body is also inlaid with a simply supported beam. The blade 7 and the cantilever beam impact blade 8, the cantil...

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Abstract

The invention discloses a pendulum-type impact tester. The impact tester consists of a machine frame, a pendulum bob, a jaw seat and a pendulum hanging mechanism, wherein a pendulum body of the pendulum bob adopts a sectorial structure; the pendulum is provided with a certain amount of balancing weight holes in different size, so that the simply supported beam impact and cantilever beam impact tests are realized, and by changing a pendulum angle, the impact energy and the impact speed can be changed, the requirements of a plurality of measuring ranges are met, the wind resistance of the pendulum body with sectorial face is small, the energy loss is small, and the phenomenon of bent pendulum rod caused when the impact point deviates the mass center can be avoided. Moreover, the tester has the advantages of convenient assembly-disassembly and debugging, reasonable structure, low cost and convenient use, and is convenient to be used by production enterprises and is favorable for research tests.

Description

technical field [0001] The invention relates to a test device for measuring the absorbed energy when a test material is impacted once, especially a pendulum impact tester. Background technique [0002] In the industrial field, the impact test is usually used to measure the toughness of materials. The pendulum raised by the testing machine is used to make an impact, so that the sample is broken along the notch, and the absorbed energy of the sample is calculated by the height difference of the pendulum when it is broken. At present, pendulum impact testing machines are divided into simply supported beam impact testing machines and cantilever beam impact testing machines. A V-shaped impact blade is embedded in the U-shaped groove of the test machine. The jaw seats of the two testing machines are different, and they are respectively suitable for the simple-supported beam type and the cantilever beam type. The pre-lift angle is generally 120° to 150°. The existing deficiencies ...

Claims

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Application Information

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IPC IPC(8): G01N3/303
Inventor 任雨峰侍艳臣
Owner 承德市金建检测仪器有限公司
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