A program-controlled mechanical stress test device
A technology of mechanical stress and test device, applied in measuring device, using repetitive force/pulsation force to test the strength of materials, instruments, etc., can solve the problems of poor standardization, no reproducibility, manual monitoring, etc., to improve product quality inspection effect of work
Active Publication Date: 2021-08-10
JIANGSU SUPERVISION & INSPECTION INST FOR PROD QUALITY
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Problems solved by technology
In the cable manufacturing and quality inspection industry, this test is carried out with metal weights, steel brackets, cranes, etc., which has disadvantages such as complicated operation, large area, manual monitoring throughout the test, poor standardization, and no reproducibility. Not applicable to third-party testing agencies to carry out testing
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[0031] The program-controlled mechanical stress test device developed by the invention is a special equipment for testing the physical properties of linear materials. It can be used for linear materials such as cable products to achieve linear deformation and deformation measurement and record under the action of tensile stress. The device is capable of unlimited stress loading, automatic operation, data storage, data remote transmission, etc. The whole set includes mechanical mechanism and windlass. The mechanical mechanism includes a frame 1, a balance beam 2 and a power load platform 3; the frame 1 provides a fulcrum seat 101 for the fulcrum 201 on the balance beam 2, and the power load platform 3 can be positioned on the Said balance beam 2 is reciprocated, said balance beam 2 is provided with a tension sensor 4 at one end closer to the fulcrum 201, and said tension sensor 4 is connected to one end of the measured linear material 7; said fulcrum 201 is in the The install...
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The invention discloses a program-controlled mechanical stress test device, which includes a mechanical mechanism and a windlass; the mechanical mechanism includes a frame, a balance beam and a dynamic load platform; the frame is a fulcrum on the balance beam A fulcrum seat is provided, and the dynamic load platform can reciprocate on the balance beam through the transmission member, and the end of the balance beam that is closer to the fulcrum is provided with a tension sensor, and the tension sensor is connected to the measured linear material One end of the fulcrum; the installation position of the fulcrum on the balance beam can be changed in cooperation with the fulcrum seat on the frame, and the other end of the measured linear material is fixed by the windlass, so The other end of the balance beam is equipped with a level sensor for measuring the levelness of the balance beam. The device designed by the invention is a special equipment for detecting the physical properties of linear materials. It can be used for linear materials such as cable products to achieve linear deformation and deformation measurement and record under the action of tensile stress. The device is capable of unlimited stress loading, automatic operation, data storage, data remote transmission, etc.
Description
technical field [0001] The invention belongs to the technical field of detection of physical properties of linear materials, and in particular relates to a program-controlled mechanical stress test device. Background technique [0002] There is a type of cable called insulated overhead power cable. In its product quality inspection, there is a test called the performance of the core under mechanical stress. Before the test, one end of a cable with a specified length is fixed, and the other end is suspended with a specified load. Increase the load by several times evenly within 5 seconds, and unload evenly to the initial load within 5 seconds after the specified time, which is a test cycle. The test needs to complete 500 cycles, which lasted about 40 days. In the cable manufacturing and quality inspection industry, this test is carried out with metal weights, steel brackets, cranes, etc., which has disadvantages such as complicated operation, large area, manual monitoring th...
Claims
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IPC IPC(8): G01N3/34G01N3/02
Inventor 佟海祥王太荣吴桢
Owner JIANGSU SUPERVISION & INSPECTION INST FOR PROD QUALITY