Device for measuring aperture of tappet hole

By designing a device including plug gauge, watch head, watch rod and Z-shaped adapter, the problems of inaccurate measurement of the tapping hole diameter and difficulty in detection operation in the prior art are solved, and the tapping hole diameter is conveniently and safely detected from the top of the engine cylinder block, and more accurate detection results and higher detection efficiency and safety are obtained.

CN222635378UActive Publication Date: 2025-03-18WEICHAI POWER CO LTD +1
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Patent Information

Application Number
CN202420938569.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-03-18
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The prior art cannot accurately measure the aperture of the lifting column hole, and it is difficult to operate through the engine top detection process, and the engine needs to be reversed, which increases the production process, is time-consuming and labor-intensive and has a high risk factor.

Method used

A device including a plug gauge, a watch head, a watch rod and a Z-shaped adapter is designed. Through the rotation of the Z-shaped adapter, the plug gauge can enter the lifting hole from the top of the engine cylinder block. The probe moves radially along the plug gauge, and drives the head pointer or digital display screen to calculate the specific aperture of the lifting hole.

Benefits of technology

It realizes convenient and safe detection of the bore diameter of the column hole from the top of the engine cylinder, eliminating the process of reversing the engine, making the detection results more accurate, and improving the detection efficiency and safety.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a device for measuring the aperture of a tappet hole. The device comprises a gauge head, a gauge rod, a connecting rod and a plug gauge body. The plug gauge body is cylindrical and is provided with measuring heads which are symmetrically arranged and protrude out of the cylindrical surface of the plug gauge body, and the measuring heads can move in the radial direction of the plug gauge body. The gauge head is provided with a pointer dial plate or a digital display screen, the gauge rod is connected with the gauge head and provided with a holding portion, and the axis of the gauge rod is parallel to the axis of the plug gauge body and staggered in the radial direction of the plug gauge body. The connecting rod is connected with the gauge rod and the plug gauge body, the connecting rod comprises a Z-shaped adapter, two T-shaped transmission pieces located at the corners of the adapter respectively are arranged in the adapter, and the transmission pieces are hinged to the adapter. The device disclosed by the utility model can be used for detecting the aperture of the tappet hole more conveniently and safely, time and labor are saved, and the detection result is more accurate.
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