Tension tester for pre-twisted hardware fitting
A tensile testing machine and hardware technology, which is applied in the direction of applying stable tension/pressure to test the strength of materials, measuring devices, instruments, etc., can solve the lack of buffer mechanism and protection mechanism of the testing device, and the clamping of pre-twisted hardware is not firm, etc. problems, to achieve the effect of improving safety, improving practical convenience, and prolonging practical life.
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Embodiment 1
[0029] refer to Figure 1-5 , this embodiment relates to a tensile testing machine for pre-twisted metal fittings, comprising a base 1, a support frame 2, a protective door body 3 and a control device 4, the support frame 2 is fixedly installed on the base 1, and the control device 4 is fixedly installed on the support One side of the frame 2, the front side of the support frame 2 is equipped with a protective door body 3 by a hinge, the middle part of the base 1 is fixedly installed with a tension hydraulic rod 5 vertically facing the inside of the support frame 2, the piston rod upper end of the tension hydraulic rod 5 and The top of the support frame 2 is respectively equipped with corresponding test fixtures 6, the base 1 is located at the tension device 5 and equipped with a buffer protection mechanism 7, and a locking mechanism is arranged between the support frame 2 and the protective door body 3, the locking mechanism is Pins and pin holes.
[0030] The test fixture 6...
Embodiment 2
[0037] refer to Figure 1-4, 6. The difference between this embodiment and the first embodiment is that the implementation of the buffer protection mechanism 7 is different. The second support rod 704 is a telescopic structure formed by connecting multiple groups of rod bodies in sequence. The base 1 on both sides of the tension hydraulic rod 5 is relatively telescopically equipped with a telescopic support rod 2 704, and the buffer plate 701 is fixedly installed on the two telescopic support rods 2 704. The upper end of each rod body of the telescopic support rod 2 704 is equipped with a buffer spring 2 705, and the middle part of the buffer plate 701 is provided with a through hole 606, and the piston rod of the tension hydraulic rod 5 passes through and is fixedly installed with a test fixture. 6. The elastic coefficient of the buffer spring 2 705 outside the telescopic support rod 2 704 increases sequentially from top to bottom.
[0038] In this embodiment, the telescopic...
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