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Expandable internal combustion engine crankshaft system simulation device

A system simulation and internal combustion engine technology, applied in internal combustion engine testing, measuring devices, engine testing, etc., can solve problems such as inaccurate fatigue strength and large deviations in actual conditions

Pending Publication Date: 2022-03-25
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0004] Since the test bench only separates the crankshaft and does not consider the influence of gas pressure and reciprocating inertial force in actual working conditions, the research on fatigue strength is inaccurate and has a large deviation from the actual situation. It does not meet the requirements of the actual internal combustion engine crankshaft Equivalent requirements for system operating conditions

Method used

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  • Expandable internal combustion engine crankshaft system simulation device

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Embodiment Construction

[0022] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0023] This embodiment provides an expandable internal combustion engine crankshaft system simulation device, which can truly simulate the working conditions of the internal combustion engine crankshaft system and meet the requirement of equivalence.

[0024] Such as figure 1 As shown, the crankshaft system simulation device includes: installation platform, crankshaft flywheel set, servo motor 10 and crankshaft working condition equivalent components; wherein, the crankshaft flywheel set is driven by the servo motor 10, and the crankshaft working condition equivalent components are driven by the crankshaft flywheel set , and the crankshaft flywheel set and components equivalent to the working conditions of the crankshaft are installed on the installation platform.

[0025] In this embodiment, the installation platform includes: nitrogen spring bracket 2, ...

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Abstract

The invention discloses an expandable internal combustion engine crankshaft system simulation device, which comprises a mounting platform, a crankshaft group, a servo motor and a crankshaft working condition equivalent assembly, the crankshaft set is driven by the servo motor, the crankshaft working condition equivalent assembly is driven by the crankshaft set, and the crankshaft set and the crankshaft working condition equivalent assembly are both installed on the installation platform. Wherein the crankshaft group is formed by modularizing more than one crankshaft; the device can truly simulate the working condition of the crankshaft system in the internal combustion engine, and meets the equivalence requirement.

Description

technical field [0001] The invention relates to the technical field of internal combustion engine power simulation systems, in particular to an expandable internal combustion engine crankshaft system simulation device. Background technique [0002] The crankshaft system is a key component of the internal combustion engine and a key factor affecting its life and work efficiency. To study the internal combustion engine crankshaft system, the existing relatively common methods are mainly: numerical simulation and experimental testing. The numerical simulation method is mainly based on numerical analysis software, inputting model parameters, setting boundary conditions, and solving related parameters; its main disadvantage is that the parameter setting of the simulation software is relatively ideal, and the influence of some environmental factors and material characteristic parameters is not considered, and the calculation results are consistent with the actual The situation ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M15/02G01M15/04
CPCG01M15/02G01M15/04
Inventor 向建华刘健原彦鹏钟乘龙魏满晖
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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