Checking fixture for measuring disc cone height of valve

A valve disc cone and height technology, which is applied to measuring devices, mechanical measuring devices, instruments, etc., can solve the problems of short valve design and change cycle, short time for designing and manufacturing common special inspection tools, and unfavorable quality control, etc. The effect of fast reading, less disputes, and guaranteed measurement accuracy

Active Publication Date: 2015-01-21
GUANGXI YUCHAI MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But for valve products with many varieties, this approach is difficult, especially for valve products in the multi-plan design stage, because the valve design and change cycle is short, the design and production of ordinary special inspection tools is shorter
The existence of this contradiction is not conducive to quality control, and it is necessary to reinvent and design a general inspection tool for measuring the height of the valve disc cone.

Method used

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  • Checking fixture for measuring disc cone height of valve
  • Checking fixture for measuring disc cone height of valve
  • Checking fixture for measuring disc cone height of valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] Embodiment 1, a test tool for measuring the height of a valve disc cone, including a measuring assembly with a dial indicator, base assembly parts and pressing parts, a dial indicator, a first locking screw, a bushing, a locking cap, a spring, Measuring sleeve, limit screw, probe shaft, base assembly part, pressing part, first hexagon socket head cap screw, slider part, vertical plate, first handle, second handle, V-shaped block assembly, base, Second hexagon socket cap screw, guide rod, slider seat, second locking screw, first guide block, adjustment screw, second guide block, slider assembly, fixing assembly, first cylindrical pin, third inner hexagon Cylinder head screw, spring pressure block, spring, second straight pin, third straight pin, fourth hexagon socket head cap screw, fifth hexagon socket head cap screw, sliding block, first insert, fixed block, second insert Block, handle, lock nut, bayonet pin, sliding sleeve, compression spring, compression shaft, compr...

Embodiment 2

[0064] Embodiment 2, according to the detection requirements of the project of the longitudinal distance from the conical surface gauge section of the internal combustion engine valve disc to the end face of the disc, first of all, it is necessary to ensure that the axis of the rod cylindrical surface of the measured valve with different rod diameters is simulated; secondly, it is necessary to ensure that different valve discs are simulated. The cross section of the cone gauge size; the third requirement is that the measurement process is stable, the measurement data repeatability is good, and the reading is convenient; the fourth is the convenience of manual operation (testing can still be carried out without a platform).

[0065]The valve cone height checker is characterized in that the checker is composed of a valve cone height measuring assembly (with a dial indicator), a base assembly part and a pressing part. Wherein the base assembly part is provided with a slider part a...

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Abstract

The invention discloses a checking fixture for measuring a disc cone height of a valve. The checking fixture for measuring the disc cone height of the valve is mainly used for measuring the longitudinal distance from a gauge section of a disc conical surface of the valve to a disc end surface, and is composed of a valve disc cone height measurement assembly (provided with a dial indicator), a base assembly component and a compression component. The base assembly component is provided with a sliding block component and a V-shaped block assembly, wherein the sliding block component is used for adjusting the diameter of a size section of a gauge, and the V-shaped block assembly is matched with the compression component and is used for installing a valve to be measured. The valve disc cone height measurement assembly (provided with the dial indicator) is used for displaying a measurement value of the longitudinal distance from the gauge section of the disc conical surface to the disc end surface of the measured valve. The checking fixture for measuring the disc cone height of the valve can be applied to measure the measurement value of the longitudinal distance from the gauge section of the conical surface of the measured valve, with different rod diameters and different gauge diameters, to the disc end surface, reduces the number of gauges and expenses, and guarantees detection timeliness.

Description

technical field [0001] The invention relates to the field of detection of geometric characteristic items of valve products in the manufacture of internal combustion engines, in particular to the detection of the item of the longitudinal distance from the cross section of the cone surface gauge of a valve disk to the disk end surface. Background technique [0002] For the inspection of geometric characteristics of internal combustion engine valve products, any inspection involving the longitudinal distance from the section of the valve disc cone gauge to the end face of the disc can generally be measured by a general-purpose three-coordinate machine or a special inspection tool or a dial gauge for platform measurement. The former takes a long time to measure and uses a point probe. Because the diameter of the valve disc cone end surface is larger, the measurement results are somewhat controversial. For the ordinary special inspection tool used in the latter, the length of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/02
Inventor 黄勇
Owner GUANGXI YUCHAI MASCH CO LTD
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