A caliper tooling

A tooling and caliper technology, applied in the direction of mechanical diameter measurement, can solve the problem of high cost of measuring calipers, and achieve the effects of simple structure, reliable action, and simple limit structure

Active Publication Date: 2018-01-09
HENAN PINGGAO ELECTRIC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a caliper tool to solve the technical problem in the prior art that the cost of the measuring caliper is relatively high due to the adjustment method of the measuring caliper through the cooperation of the dial and the movable joint

Method used

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  • A caliper tooling
  • A caliper tooling
  • A caliper tooling

Examples

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Embodiment Construction

[0040] Such as Figure 3 to Figure 13 As shown, an embodiment of a caliper tool, the caliper tool in this embodiment is specifically an outer circular caliper, which includes two parallel four-bar linkages arranged along the left and right directions and assembled together, the two parallel four-bar linkages are left Side parallel four-bar linkage mechanism 100 and right side parallel four-bar linkage mechanism 200, each parallel four-bar linkage mechanism includes an upper link, a lower link and two middle links, and two upper links of two parallel four-bar linkage mechanisms The upper link assembly 1 is formed as an integral structure, and the connection line between the upper link in each parallel four-bar linkage mechanism and the two hinge points hinged with the corresponding two intermediate links is the upper hinge point connection line, and the upper link with the lower link. The line connecting the two hinge points of the corresponding two intermediate links is the li...

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Abstract

The invention provides a caliper tool, which includes two parallel four-bar linkages arranged along the left and right directions and assembled together. point line coincides, the line of two lower hinge points coincides, the symmetrical central plane of the two parallel four-bar linkages is perpendicular to the line of the upper hinge point, and the lower link of each parallel four-bar linkage is respectively provided with a The cylindrical surface of the radial dimension to be measured is pressed against the measuring rod. The two measuring rods are coaxially arranged and are respectively perpendicular to the symmetrical center plane. At least one measuring rod is correspondingly equipped with a dial indicator. The caliper tooling also includes a The synchronous adjustment mechanism is used to drive the two parallel four-bar linkage mechanisms to adjust to and from each other synchronously to ensure that the two measuring rods are always coaxially arranged. The use of two parallel four-bar linkages makes the caliper fixture simple in structure and reliable in action, which can effectively ensure the measurement accuracy of the caliper.

Description

technical field [0001] The invention relates to a caliper tool. Background technique [0002] The caliper includes an inner diameter caliper and an outer circle caliper, no matter which kind of caliper includes two long arms hinged together, and the ends of the two long arms away from the hinge shaft are provided with measuring feet or claws. When using, you can use such as figure 1 The cylindrical caliper pair shown is figure 2 The shown outer circular sealing groove is measured, and the two measuring feet of the caliper are pressed against the outer peripheral surface of the cylinder to be measured, so as to realize the measurement of the corresponding radial dimension. For large-sized apertures or outer diameters, general-purpose measuring tools with high precision cannot be directly tested due to the limited range, while general large-sized measuring calipers mostly rely on experience, the measurement error is large, and the accuracy of the measurement size cannot be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/08
Inventor 张子明宋松民孙晓刚
Owner HENAN PINGGAO ELECTRIC
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