Tensile test clamping device for universal testing machine
A universal testing machine and tensile testing technology, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as unusable, broken screws, etc., and achieve the effect of simple processing, convenient replacement, and compact structure
Inactive Publication Date: 2013-02-13
WUXI JIANYI INSTR & MACHINERY
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Problems solved by technology
When this structure is in use, due to the large pulling force, the screw breaks and the backing plate is pulled out, making it unusable
Method used
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[0013] Below the present invention will be further described in conjunction with the embodiment in the accompanying drawing:
[0014] Such as Figure 1 ~ Figure 2 As shown, it includes left pressing plate 1, right pressing plate 2, backing plate 3, fixture seat 4, bolt 5, chuck 6, upper beam 7, screw mandrel 8, moving beam 9, column 10, workbench 11 and base 12.
[0015] The present invention processes the left platen 1, the right platen 2, and the backing plate 3 according to the requirements. The backing plate 3 needs heat treatment, and the hardness meets the requirements of the drawing to increase wear resistance; the two contact planes are finely ground to reduce errors and friction. Both ends of the backing plate 3 are milled with protruding parts. Grooves are respectively milled in the middle of the left pressing plate 1 and the right pressing plate 2 , and the dimensions of the grooves match the protrusions at both ends of the backing plate 3 .
[0016] When the pr...
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The invention relates to a tensile test clamping device for a universal testing machine. The tensile test clamping device comprises a left pressing board, a right pressing board, a base plate and a fixture seat, the base plate and the fixture seat are sequentially placed in a beam jaw, and the left pressing board and the right pressing board are snapped on two sides of the base plate respectively and fixed on a beam by bolts. Protruding portions are milled at two ends of the base plate, a groove is respectively milled in the middles of the left pressing board and the right pressing board, and the grooves are matched with the protruding portions at two ends of the base plate in sizes. The tensile test clamping device is compact and reasonable in structure; the base plate and the fixture seat are installed in the beam jaw and used for tensile tests of metal materials or non-metal materials; and during using, the base plate is fixed in the jaw so that the base plate is difficult to pull out, and the device is simple in processing, durable and convenient to replace.
Description
technical field [0001] The invention relates to a clamping device, in particular to a tensile test clamping device for a universal testing machine, which is installed in the jaws of the beam of the universal testing machine and used for the tensile test of metal materials or non-metal materials. Background technique [0002] Before the present invention is made, in the prior art, the clamping device that is used for the tensile test of metallic material or non-metallic material is usually that backing plate is fixed on the side of jaw or pressing plate with screw, [0003] To increase the wear resistance of the sides of the jaws. When this structure is in use, due to the large pulling force, the screw breaks and the backing plate is pulled out, making it unusable. Contents of the invention [0004] The purpose of the present invention is to overcome the above disadvantages and provide a clamping device for tensile testing of a universal testing machine. The clamping devic...
Claims
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IPC IPC(8): G01N3/04
Inventor 过嘉荣小刚
Owner WUXI JIANYI INSTR & MACHINERY