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Hydraulic universal test machine for actively loading at two ends of test piece

A universal testing machine and active technology, applied in the field of universal testing machines, can solve the problems of the vibration cannot be eliminated or the fracture can be weakened to the middle, so as to reduce the vibration and solve the problem of the fracture.

Inactive Publication Date: 2007-10-10
BEIJING UNION UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the above-mentioned problems that the vibration in the prior art cannot be eliminated or weakened and the fracture is off center, and to provide a relatively strong vibration that can eliminate or significantly weaken the fracture of the test piece, and A hydraulic universal testing machine that actively loads both ends of the specimen, which can fundamentally solve the problem of partial fracture

Method used

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  • Hydraulic universal test machine for actively loading at two ends of test piece
  • Hydraulic universal test machine for actively loading at two ends of test piece
  • Hydraulic universal test machine for actively loading at two ends of test piece

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Embodiment Construction

[0032] specific implementation plan

[0033] As shown in Figure 1, the best embodiment of the hydraulic universal material testing machine of the patent of the present invention comprises an upper beam 1, a moving beam 3, a lower beam 10, and an oil cylinder 12, and the moving beam 3 is set on at least two rectangular pairs. On the light rod 2 at both ends of the corner line, it engages with the threaded part of the upper part of the two lead screws 16 through the screw nut 15 at the two ends of the other diagonal line of the rectangle, and the upper beam 1 is fixedly connected with the light rod 2 , the other side is set on the lead screw 16, the lower end of the lead screw is connected with the lower beam 10 through the thrust bearing 11, the lower beam 10 is fixed with the piston 9, and the plunger 6 is supported under a test bench plate 14, the test bench The flat plate is fixedly connected with the light rod 2, and its other side is sleeved outside the leading screw 16. ...

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Abstract

A hydraulic universal tester enabling to actively charge load on two ends of test piece is prepared for applying hydraulic cylinder with plunger-piston integrated action, connecting plunger to top frame formed by top horizontal beam and two smooth rods as well as flat plate of compression test bed, connecting piston to bottom frame formed by movable horizontal beam and two screw rods as well as bottom horizontal beam, using plunger to push top frame up and using piston to push bottom frame down for actively charging loads at two ends of test piece set between two said frames.

Description

technical field [0001] The invention relates to a universal testing machine for testing the mechanical properties of materials, in particular to a hydraulic universal testing machine, in particular to a hydraulic universal testing machine which actively loads both ends of a test piece. Background technique [0002] Universal testing machine is widely used in scientific research and teaching. With the development of computer control technology, sensor technology, new hydraulic control devices, and servo motor technology, microcomputer-controlled electro-hydraulic servo universal testing machines and electronically controlled universal testing machines have become leading products in the testing machine manufacturing industry due to their excellent testing performance and have become It is widely used in related industries. The more advanced hydraulic universal testing machine currently on the market is the WAW series microcomputer-controlled electro-hydraulic servo universal...

Claims

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Application Information

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IPC IPC(8): G01N3/12
Inventor 隗幼鹏昝华
Owner BEIJING UNION UNIVERSITY
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