A force sensor protection device for a horizontal tensile testing machine
A force sensor and protection device technology, which is applied in the field of force sensor protection devices, can solve the problems of high replacement cost, lower precision, and damaged sensors, and achieve the effects of reliable performance, simple structure, and avoiding damage
Active Publication Date: 2016-05-04
时代试金(山东)科学仪器有限公司
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Problems solved by technology
[0002] With the advancement and development of science and technology, testing machines are used more and more widely as equipment for material testing and testing. For some large horizontal tensile testing machines, it is necessary to use load cells to measure the test force. Horizontal tensile testing machines are used for materials or When the component is subjected to a tensile test, a large impact load will be generated on the sensor after the sample is broken, which will affect the performance of the sensor, reduce the accuracy or even damage the sensor, and the large-tonnage force sensor is expensive and the replacement cost is high
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[0010] The present invention will be specifically described below in conjunction with the accompanying drawings and embodiments.
[0011] figure 1 Shown is the structural representation of the present invention.
[0012] figure 2 Shown is a schematic cross-sectional structure of the present invention.
[0013] The present invention comprises an oil cylinder 7, a piston 9, a load sensor 5, a moving beam 4, a spherical strut 3, a spherical support 8 and a disc spring 2.
[0014] The spherical support rod 3 is placed in the spherical support 8 and loaded into the piston 9 together, and the spherical support 8 is fixed on the piston 9 .
[0015] The load sensor 5 is provided with a positioning hole, and the positioning hole of the load sensor 5 passes through the spherical strut 3 and is connected to the rear end of the moving beam 4 through a fixing bolt 6 .
[0016] The front end of the moving beam 4 is provided with a disc spring 2 .
[0017] The disc spring 2 is fixed on...
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The invention discloses a force sensor protecting device of a horizontal tension tester. The force sensor protecting device comprises an oil cylinder, a piston, a load sensor and a movable beam, and further comprises a spherical supporting rod, a spherical supporting base and a disk spring, wherein the spherical supporting rod is arranged inside the spherical supporting base and the spherical supporting rod and the spherical supporting base are arranged inside the piston together; the spherical supporting base is fixed on the piston; a positioning hole is formed in the load sensor, penetrates through the spherical supporting rod, and is connected to the rear end of the movable beam by a fixing bolt; the disk spring is arranged at the front end of the movable beam and is fixed at the front end of the movable beam by a disk spring installation frame through a nut. After a test sample is broken, the force sensor protecting device disclosed by the invention can effectively protect the sensor and prevent the sensor from being damaged due to impact force, is simple in structure and reliable in performance, and completely avoids damages of inertia force of the piston on the sensor after the test sample is broken.
Description
technical field [0001] The invention relates to a force sensor protection device of a horizontal tensile testing machine, in particular to a protection device for a load sensor after a sample is broken on a horizontal tensile testing machine. Background technique [0002] With the advancement and development of science and technology, testing machines are used more and more widely as equipment for material testing and testing. For some large horizontal tensile testing machines, it is necessary to use load cells to measure the test force. Horizontal tensile testing machines are used for materials or When the component is subjected to a tensile test, the breakage of the sample will generate a large impact load on the sensor, which will affect the performance of the sensor, reduce the accuracy or even damage the sensor, and the large-tonnage force sensor is expensive and the replacement cost is high. Contents of the invention [0003] The technical problem to be solved by the...
Claims
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IPC IPC(8): G01N3/02
Inventor 乌慧霞郭海森李茂金
Owner 时代试金(山东)科学仪器有限公司