Detection tool and method for measuring distance dimension of center plane of arc structure

A technology of center plane and size is applied in the field of inspection tools for measuring the distance and size of the center plane of the arc structure, which can solve the problems such as the inability to guarantee the size accuracy, the inability to obtain accurate distance and size values, and the large error of measurement values.

Pending Publication Date: 2018-09-28
山东华源莱动内燃机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This measurement method uses the visual method to judge the center of the arc, and the accurate distance measurement...

Method used

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  • Detection tool and method for measuring distance dimension of center plane of arc structure
  • Detection tool and method for measuring distance dimension of center plane of arc structure
  • Detection tool and method for measuring distance dimension of center plane of arc structure

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Effect test

Embodiment 1

[0034]The inspection tool for measuring the distance from the center plane of the circular arc structure includes a square box 7 placed on the detection platform 8, a positioning shaft 6 fixed on the square box 7, and a measured rocker mounted on the positioning shaft 6. Arm 5; also includes a height vernier caliper, power supply battery 2, and the detection assembly that is installed on the said height vernier caliper auxiliary scale 12; Said detection assembly includes the first detection head 3 and the second detection head 4 that are arranged in parallel up and down, And the first indicator light 9 and the second indicator light 10 respectively corresponding to the first detection head 3 and the second detection head 4; The negative pole of 2 is connected to the first indicator light 9 and the second indicator light 10 through a wire, and the first indicator light 9 and the second indicator light 10 are respectively connected to the first detection head 3 and the second det...

Embodiment 2

[0043] The method of measuring the distance dimension from the center plane of the arc structure is based on the measuring and checking tool of the distance dimension from the center plane of the arc structure to realize the following operation steps:

[0044] S1: On the detection platform 8, first put the center hole of the rocker arm 5 under test on the positioning shaft 6, and position the positioning shaft 6 tightly through the square box 7 and the clamp 11 on its upper part;

[0045] S2: Use a common height vernier caliper to find the level of the tested rocker arm 5, and then rotate the square box 7 by 90 degrees. At this time, the center plane of the arc structure is parallel to the detection platform 8;

[0046] S3: Adjust the first detection head 3 and the second detection head 4 on the height vernier caliper, so that the center line of the two steel balls a on the first detection head 3 and the second detection head 4 is perpendicular to the detection platform 8; The...

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Abstract

The invention relates to a detection tool and a method for measuring a distance dimension of a center plane of an arc structure, which comprises a detection platform, a square box, a location shaft, aheight vernier caliper, a power supply battery. The height vernier caliper is provided with a first detection head and a second detection head which are arranged top-down parallel, and a detection component composed of the first indicator lamp and the second indicator lamp respectively corresponding to the first detection head and the second detection head; the positive pole of the power supply battery is connected with the height vernier caliper through a positive lead wire, the negative electrode is connected with the first indicator lamp and the second indicator lamp through a wire, and the first indicator lamp and the second indicator lamp are respectively connected with the first detection head and the second detection head through a wire. The detection tool has the advantages of simple and scientific design, convenient operation, high efficiency and accuracy in measuring the position of the center plane of the circular arc structure, high measurement accuracy, and can be widelyapplied to the detection requirements of various measurement and circular arc structure center plane distance dimensions.

Description

technical field [0001] The invention relates to the field of inspection fixtures, specifically, a inspection fixture for measuring the distance from the center plane of a circular arc structure, and the invention also relates to a measuring method for the inspection fixture. Background technique [0002] The intake and exhaust valve rocker arm processing assembly is a key component in a diesel engine. The working surface of the rocker arm end is generally made into an arc surface, and the highest part of the arc surface contacts the tail end of the valve stem. If the arc surface The inaccurate size of the highest part will affect the rocker arm ratio, resulting in deviation of the contact position of the valve end surface, uneven force in the direction of the main axis of the valve, resulting in eccentric wear of the valve stem and guide tube, and affecting engine emissions. [0003] Taking a certain intake valve rocker arm processing assembly as an example, it is required t...

Claims

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Application Information

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IPC IPC(8): G01B5/14
CPCG01B5/003G01B5/14
Inventor 于小晴王世义李成刚隋喜娥高学波王智杰盖琳
Owner 山东华源莱动内燃机有限公司
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