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Engine valve-guide pipe strengthening abrasion simulation experiment machine

An engine valve, simulation experiment technology, applied in the direction of testing wear resistance, etc., can solve the problems of long test period, evaluation, data dispersion, etc., to achieve the effect of short test period, low manufacturing cost, and easy realization

Active Publication Date: 2016-06-08
刘佐民 +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the life evaluation test of the engine valve-guide is carried out on the engine bench, the test cycle is long, the cost is high, and the data is scattered, which is not conducive to the evaluation of the material, process and matching of the pair of friction pairs; thus limiting its product quality and life span

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  • Engine valve-guide pipe strengthening abrasion simulation experiment machine

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Embodiment Construction

[0023] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be cons...

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Abstract

The invention discloses an engine valve-guide pipe strengthening abrasion simulation experiment machine. The engine valve-guide pipe strengthening abrasion simulation experiment machine comprises a first driving mechanism, a second driving mechanism, a valve, a guide pipe, a guide pipe clamp base, a heating device, a friction resistance measuring device and a load loading device. A clamping head is fixedly arranged on an output shaft of the first driving mechanism so as to drive the valve to rotate. One end of the valve is installed on the clamping head. The other end of the valve is connected with the friction resistance measuring device. The valve is sleeved with the guide pipe, and the guide pipe is fixedly connected with the guide pipe clamp base. The second driving mechanism is fixedly connected with the guide pipe clamp base. The load loading device is connected with the guide pipe clamp base. The heating device covers the guide pipe clamp base so as to heat the valve and the guide pipe. According to the engine valve-guide pipe strengthening abrasion simulation experiment machine, the engine valve-guide pipe friction pair motion mode is simulated, the strengthening abrasion experiment is achieved, the experiment period is shortened, and experiment equipment is provided for evaluating the service life of a friction pair.

Description

technical field [0001] The invention relates to the technical field of wear simulation experiments, in particular to an engine valve-duct enhanced wear simulation test machine. Background technique [0002] Engine valves work in the environment of high temperature, corrosion and impact contact conditions, so the life of the valve is the main part that restricts the performance and life of the engine. However, the life evaluation equipment of an important friction pair valve-guide which is matched with the engine valve is still blank so far. With the development of gas engines, the operating temperature and lubricity between valves and guides are far worse than those of fuel engines; its tribological performance evaluation technology directly affects the material composition design, preparation process design and matching selection of valves or guides and other key technical links. [0003] At present, the life evaluation test of the engine valve-guide is carried out on the...

Claims

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Application Information

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IPC IPC(8): G01N3/56
CPCG01N3/56
Inventor 刘佐民张一兵
Owner 刘佐民
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