Dynamic detecting equipment of pump internal axle axial fitting gap

An axial gap and equipment technology, applied in the field of dynamic testing equipment, can solve the problems of difficulty in guaranteeing repeatability and reliability, and changes in measurement accuracy, and achieve the effects of objective and accurate measurement results, high repeatability, and simple and rapid operation.
CN100447402CInactive Publication Date: 2008-12-31SHANGHAI JIAOTONG UNIV +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANGHAI JIAOTONG UNIV
Publication Date
2008-12-31
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention relates to a detection equipment for detecting axial gap of inner spindle of pump body. Said detection equipment includes upper holddown mechanism, workpiece positioning mechanism, axial lifting mechanism and inner spindle rotating mechanism. Its upper holddown mechanism includes steam cylinder or oil cylinder, reference holddown block, press-in cylinder block, press-in motor, reductor, synchronous band, puller lever, press-in position sensor and height measurement sensor.
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Description

technical field

[0001] The invention relates to a dynamic detection device used in the technical field of mechanical detection, in particular to a dynamic detection device for the axial fit clearance of the shaft in the pump body during the production and assembly process. Background technique

[0002] The fuel injection pump is assembled from a number of mechanical components or parts such as the fuel injection pump body, the oil pump mechanism, the fuel volume adjustment mechanism, and the drive mechanism. The camshaft is the main part of the driving mechanism of the fuel injection pump, and the requirements for the axial clearance of the camshaft are very strict. If the gap is too large, the impact of the roller transmission parts on the cam working surface will increase, resulting in early wear of the cam surface and changing the oil supply advance angle; at the same time, it will easily cause the camshaft to run unstable, and the oil supply will change periodically, cau...

Claims

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