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Multifunctional tribology experimental device

An experimental device and technology of tribology, applied in the field of mechanical and material tribology research, to achieve the effects of low cost, easy operation and strong compatibility

Inactive Publication Date: 2008-08-20
JIANGSU GREEN LEAVES MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The difficulty of the in vitro simulation experiment is that there is a certain movement difference between the artificial hip joint in actual use and the joint in the simulation experiment, that is, the problem of the degree of restoration of the real situation.

Method used

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Experimental program
Comparison scheme
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Embodiment Construction

[0026] specific implementation plan

[0027] The present invention will now be described more fully with reference to the accompanying drawings, in which a preferred embodiment of the invention is shown.

[0028] A preferred embodiment of the present invention is as follows: referring to Fig. 1 and Fig. 2, the present invention includes a machine frame, a hip joint simulation experiment module, a pin-on-disc type friction experiment module and a variable speed motor. In this embodiment, in the fixture of the artificial hip joint simulation experiment module, the inclined support bracket (11) and the lower tray of the femoral ball (9) are connected and fixed through the tapered roller bearings (2, 3) to ensure that the femoral ball tray produces Similar to the flexion and lateral swing of the human hip joint. The femoral ball lower tray (9) and the femoral ball upper tray (8) are connected by bolts, and the lubricating fluid container (7) and the femoral ball upper tray are se...

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Abstract

The invention relates to a multifunctional experimental device for tribology, comprising a machine station frame and a variable speed motor. The invention is characterized in that: a middle cross beam is arranged on the machine station frame, and a rotary tray is pivotally inserted in the middle cross beam through a planar bearing; a downward extended rotating shaft of the rotary tray is connected with the variable speed motor through a coupling, while the tray at the upper end is connected with a lower turntable fixture of an experiment module; a loading plate is arranged in the top part of the machine station frame, a loading top compression leg is fixedly connected with the center of the loading plate, and the loading top compression leg is connected with an upper axle pin fixture of the experiment module. The experimental device has the advantages of the use for artificial hip joint simulation and experiment and pin-disk type friction experiment, and strong compatibility, low cost and easy operation.

Description

technical field [0001] The invention relates to the field of mechanical and material tribology research, and provides a reliable testing and evaluation platform with multiple functions for evaluating the friction and wear performance of new materials. More precisely, the present invention can evaluate the friction and wear of the artificial prosthesis, that is, the artificial hip joint, and can provide a platform for general pin-on-disc tribological experiments. Background technique [0002] At present, artificial joints are widely used in the late treatment of arthritis, traumatic disability and osteoma resection, and have become a routine surgical operation. The replacement of artificial joints includes the replacement of hips, knees, shoulders, elbows, wrists and other joints. Among them, the hip and knee joints are the main stress and wear parts of the human body, and the damage rate is high, so the operation is mainly based on them. In my country, about 30 million peop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/76A61F2/30
CPCA61F2/468A61F2002/30001
Inventor 张建华华子恺薛克袁方
Owner JIANGSU GREEN LEAVES MACHINERY
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