Internal combustion engine cylinder sleeve-piston ring friction performance testing machine with variable reciprocating stroke

Abstract

The invention relates to a testing machine used for studying the mechanical power consumption of an internal combustion engine, in particular to an internal combustion engine cylinder sleeve-piston ring friction performance testing machine with the variable reciprocating stroke. The internal combustion engine cylinder sleeve-piston ring friction performance testing machine with the variable reciprocating stroke comprises a platform (24) and a bottom plate (31) and is characterized by further comprising a belt wheel axle (6), a support (7), a large belt wheel (9), a variable-radius crank disc (10), pin holes (11) for installing cylindrical pins, a connecting rod (12), an adjusting rod guide base (13), an adjusting rod (14), a guide rail (15), a loading hole (16), a cantilever beam (17), a piston ring clamp (18), a piston ring test piece (19), a cylinder sleeve test piece (20), a tension and pressure sensor (21), a cylinder sleeve base (22), a sensor support (23), a measuring rod (32) and the like. According to the internal combustion engine cylinder sleeve-piston ring friction performance testing machine with the variable reciprocating stroke, parameters are easy to control, the test pieces are easy to obtain, test data is high in precision, and contact conditions are easy to simulate.

Description

technical field [0001] The invention relates to a testing machine for studying the mechanical power consumption of an internal combustion engine, in particular to a friction performance testing machine for a cylinder liner and a piston ring with a variable reciprocating stroke. Background technique [0002] The internal combustion engine is a very widely used power device in the national economy. Under the trend of energy saving and emission reduction, the economic performance requirements of the internal combustion engine are constantly improving, and the emission standards are becoming increasingly strict. The reduction of frictional power consumption of the internal combustion engine is the goal of energy saving and consumption reduction of the internal combustion engine. a major aspect of . [0003] Mechanical friction power loss accounts for a large proportion of internal combustion engine power loss, and reducing mechanical friction power loss has an important impact o...

AI Technical Summary

Problems solved by technology

[0010] In order to overcome the existing technical defect that the stroke cannot be changed, the present invention discloses a cylinder liner-piston ring friction performance testing machine of an internal combustion engine with a variable reciprocating motion stroke, which has the advantages of easy control of parameters, easy acquisition of samples, and high accuracy of test data , The characteristics of the friction environment are easy to simulate

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