Friction-loss and vibration analog experimental equipment for main motion components of IC engine

A technology for simulating testing and moving parts, which is applied in the direction of internal combustion engine testing and testing of wear resistance, etc., can solve the problems of high cost, complex structure, long test period, etc., and achieve the effect of high test efficiency, low cost and simple structure.

Inactive Publication Date: 2007-04-04
WUHAN UNIV OF TECH
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Problems solved by technology

The simulation calculation lacks relevant test verification; the sample test generally adopts the pressure loading method, which cannot simulate the instantaneous burst pressure of the internal combustion engine when the fuel is burned. The latter belongs to the whole machine bench test, with complex structure, long test period and high cost
The monitoring methods of these test devices are limited, so it is necessary to develop a simulated friction and wear testing machine to combine the advantages of the three to improve the accuracy and authenticity of the test results and test efficiency.

Method used

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  • Friction-loss and vibration analog experimental equipment for main motion components of IC engine

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Embodiment Construction

[0015] The invention relates to a friction and wear and vibration simulation test machine (hereinafter referred to as the test machine) used for main moving parts of an internal combustion engine (including cylinder liners, piston rings, crankshafts, bearings, etc.). It simulates the surface wear and vibration of the main moving parts in the actual working environment, so as to study the friction and wear mechanism of the main moving parts of the internal combustion engine under different working conditions, and can comprehensively evaluate the materials of the main moving parts by changing the test parameters and comparative tests related performance.

[0016] The structure of the testing machine is shown in Figure 1 and Figure 2: including the driving part and the simulation test part.

[0017] 1. Drive part:

[0018] A main drive mechanism is provided, which is composed of a cylinder 10, a piston ring 15, a piston 16, a crankshaft 29, and an exhaust port 30 and an air inta...

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Abstract

A tester used for simulating wear-out and vibration of main movable parts on internal combustion engine consists of master driving system formed by air cylinder, piston ring, piston, crankshaft, inlet and outlet of high pressure air; state monitoring system formed by pressure transducer and vibration transducer on bearing base, oil monitoring transducer and temperature transducer as well as vibration transducer on machine rack, and dynamic transducer on crankshaft. It is featured as utilizing high pressure air to simulate explosion pressure in air cylinder and to simulate operation condition causing wear-out and vibration of cylinder sleeve and piston ring pair in said engine.

Description

technical field [0001] The invention relates to testing equipment, in particular to a friction, wear and vibration simulation testing machine for main moving parts of an internal combustion engine. Background technique [0002] Cylinder liners, piston rings, crankshafts, bearings, etc., as the core components of internal combustion engines, work under high temperature and high pressure for a long time, and the working conditions are harsh. For a long time, the research on the friction and wear of these moving parts has made some progress, but due to the influence of its working environment and technical means, there are still many defects. Searching the existing patent technology literature found that the following are related to this patent: the invention patent "piston ring-cylinder liner material friction and wear performance test device" (application number: 200410068042.5) mainly provides cylinder liner-piston ring in The wear performance in different environments, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56G01M15/12
Inventor 严新平刘正林袁成清宗成强施慧杰
Owner WUHAN UNIV OF TECH
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