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Mechanism and method for measuring valve clearance of engine

An engine valve and measuring mechanism technology, applied in the field of inspection, can solve the problems of low repeatability and reproducibility of valve clearance detection methods, achieve stable and reliable measurement results, and solve the effect of low repeatability and reproducibility

Inactive Publication Date: 2017-08-25
BEIJING FOTON CUMMINS ENGINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide an engine valve clearance measuring mechanism, which can solve the problem of low repeatability and reproducibility of existing valve clearance detection methods

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  • Mechanism and method for measuring valve clearance of engine
  • Mechanism and method for measuring valve clearance of engine
  • Mechanism and method for measuring valve clearance of engine

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Embodiment Construction

[0036] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0037] In the present invention, unless stated otherwise, the used orientation words such as "upper and lower" usually refer to the definition of the engine valve clearance measurement mechanism provided by the present invention under normal use, and with the attached figure 1 The up and down directions shown are the same.

[0038] The above-mentioned orientation words are adopted for the convenience of understanding the present invention, and thus should not be construed as limiting the protection scope of the present invention.

[0039] First of all, it should be explained that the basic technical idea of ​​the present invention is to set the detection device...

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Abstract

The invention discloses a mechanism and method for measuring the valve clearance of an engine, and the mechanism comprises a support (1) which can be fixedly installed on an engine box body (8), and a detection device (2) which is installed on the support (1) and can measure the displacement in the moving direction of a valve rod of a valve. A measurement contact of the detection device (2) can make contact with the top of an adjustment screw (10) installed on an engine rocking arm (9), so as to detect the valve clearance of the engine. The mechanism provided by the invention can solve a problem that a conventional valve clearance detection mode is low in repeatability and reproducibility.

Description

technical field [0001] The invention relates to the detection field, in particular to a reliable engine valve gap measurement mechanism and an engine valve gap measurement method. Background technique [0002] An engine is a mechanism that provides power to equipment such as a car. Piston is housed in the cylinder of engine, and piston is connected with crankshaft through piston pin, connecting rod. The piston reciprocates in the cylinder, and the crankshaft is driven to rotate through the connecting rod, so as to realize the output power of the engine. In order to inhale fresh gas and discharge exhaust gas, each cylinder needs to be provided with corresponding intake and exhaust valves. [0003] When the engine is running, the valve will expand due to the increase in temperature. If there is no gap or the gap is too small between the valve and its transmission parts in the cold state, then in the hot state, the thermal expansion of the valve and its transmission parts wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/16
CPCG01B21/16
Inventor 杨振业郝蕊牛学娇
Owner BEIJING FOTON CUMMINS ENGINE