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Method and device for testing load of linear telescoping mechanism

A linear expansion and contraction technology, applied in the direction of applying stable tension/pressure to test the strength of materials, can solve the problems of extra bending moment, troublesome testing, unsatisfactory testing methods and devices, etc., to achieve accurate test results, The effect of convenient testing process

Active Publication Date: 2013-03-20
GUIZHOU AEROSPACE LINQUAN MOTOR CO LTD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, there is no accurate and convenient way to test the load of the telescopic mechanism. For example, if a mechanism uses a lever-weight to test, there are problems such as unstable load and additional bending moment during the test process; vertically push up or pull down the weight, There are also problems such as installation and testing troubles and insecurity
Therefore, the existing test method and device of telescopic mechanism load are not ideal yet.

Method used

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  • Method and device for testing load of linear telescoping mechanism
  • Method and device for testing load of linear telescoping mechanism

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] Look figure 1 with figure 2 , figure 1 A schematic diagram showing the device of the present invention for tensile testing, figure 2 Show the device of the present invention to carry out the schematic diagram of thrust test, two figures all have shown the push-pull test device of linear telescopic structure of the present invention, comprise test platform 1 and product to be tested 2, be provided with 4 fixed supports 4 on test platform 1, Every two bearings 4 are provided with a shaft 5 that can slide in the bearings 4 and are connected to form a group. Become a sliding frame. The sliding frame as a whole can slide forward and backward on the support 4 along with the shaft 5 . The front crossbeam 61 is provided with a connecting rod 3 that both ends can be connected with the product to be tested 2, and the rear crossbeam 62 is...

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Abstract

The invention discloses a method and device for testing the load of a linear telescoping mechanism, including a method and a device which are used for testing the pull / push force load capacity of a tested product (2). A connecting rod (3), of which the two ends can be connected with the tested product (2), is arranged on the device, a pull force load test can be carried out when the tested product (2) is connected with one end of the connecting rod (3), and a push force load test can be carried out when the tested product (2) is connected with the other end of the connecting rod (3). According to the method and the device, a force which is inconveniently applied is subjected to direction change by using a pulley, a two-way-movement slide frame assembly which is supported by linear bearings is adopted, and the stress situation of the tested product is determined through the relative displacement between the slide frame assembly and supporting seats fixed on a test platform, so that the push / pull force test can be achieved by only simply changing a mounting position of the tested product, the test results are accurate, and the test process is convenient and fast.

Description

technical field [0001] The invention relates to a load testing method and device, in particular to a constant load testing method and device of a linear telescopic mechanism with stroke and speed requirements. Background technique [0002] At present, there is no accurate and convenient way to test the load of the telescopic mechanism. For example, if a mechanism uses a lever-weight to test, there are problems such as unstable load and additional bending moment during the test process; vertically push up or pull down the weight, There are also problems such as installation and testing troubles and insecurity. Therefore, the existing testing method and device for the load of the telescoping mechanism are still not ideal. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a method and device that can conveniently test the thrust and pull loads of linear motion telescopic mechanisms, and the m...

Claims

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Application Information

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IPC IPC(8): G01N3/08
Inventor 胡斌
Owner GUIZHOU AEROSPACE LINQUAN MOTOR CO LTD
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