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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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 durin

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

[0015] Look figure 1 with figure 2 , figure 1 Shows a schematic diagram of the tensile test of the device of the present invention, figure 2 A schematic diagram showing the thrust test performed by the device of the present invention. Both figures show the linear telescopic structure push-pull test device of the present invention, which includes a test platform 1 and a product to be tested 2. The test platform 1 is provided with 4 fixed supports 4, Every two supports 4 are provided with a shaft 5 that can slide in the support 4 and connected back and forth to form a group. The two sets of supports 4 are connected by a front cross beam 61 and a rear cross beam 62 provided at the front and rear ends of the shaft 5 Become a sliding frame. The entire sliding frame can slide back and forth on the support 4 along with the shaft 5. The front cross beam 61 is pr...

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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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