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A pneumatic measuring device for tapered holes and a method for measuring tapered holes using it

A technology of pneumatic measurement and pneumatic measuring instrument, which is applied in the direction of measuring devices, fluid devices, instruments, etc., can solve the problems that contact measurement cannot be used, and achieve the effects of easy reading, high measurement accuracy and simple operation

Active Publication Date: 2021-01-26
AECC AVIATION POWER CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, because there is a layer of soft material sprayed on the hole wall of the part, contact measurement cannot be used

Method used

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  • A pneumatic measuring device for tapered holes and a method for measuring tapered holes using it
  • A pneumatic measuring device for tapered holes and a method for measuring tapered holes using it
  • A pneumatic measuring device for tapered holes and a method for measuring tapered holes using it

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0038] Such as figure 2 As shown, a kind of pneumatic measuring device for taper hole of the present invention comprises the first pneumatic measuring instrument 1, the second pneumatic measuring instrument 3 and the pneumatic measuring head 2, and the gas output pipeline of the first pneumatic measuring instrument 1 is provided with There is a first connector 4, and a second connector 5 is provided on the gas output pipeline of the second pneumatic measuring instrument 3. The pneumatic measuring head 2 is connected to the first pneumatic measuring instrument 1 through the first connector 4, and through the second connection The head 5 is connected to the second pneumatic measuring instrument 3 .

[0039] Both the first connector 4 and the second connector 5 are three-way connectors.

[00...

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Abstract

The invention discloses a pneumatic measuring device for a taper hole, comprising a first pneumatic measuring instrument, a second pneumatic measuring instrument, a pneumatic measuring head, a first connecting head, a second connecting head, and a first pneumatic measuring instrument for calibrating the first pneumatic measuring instrument The standard part with the second pneumatic measuring instrument; the pneumatic measuring head is connected with the first pneumatic measuring instrument through the first connecting head, and is connected with the second pneumatic measuring instrument through the second connecting head; the pneumatic measuring head includes a positioning block, a measuring head and four The positioning block is arranged on one side of the measuring head. Two pairs of nozzles are installed on the measuring head. The two pairs of nozzles are A1‑A2 and B1‑B2 respectively. The joints are all provided with ventilation holes, and the ventilation holes are communicated with the nozzle; two of the joints are connected with the first connecting head, and the other two joints are connected with the second connecting head. Also disclosed is a method for measuring a taper hole by adopting the method, the measuring process is simple, the pneumatic measuring precision is high, and the requirements of the hole diameter and the taper detection precision are met through the non-contact measuring method.

Description

technical field [0001] The invention belongs to the field of tapered hole tooling measuring tools, in particular to a pneumatic measuring device for tapered holes and a method for measuring tapered holes using the same. Background technique [0002] Such as figure 1 Tapered bore on parts shown, large end dimension is The small end size is The precision requirement is high and the taper is small. The commonly used detection method is a fixed-point measuring tool. The taper of the part is determined by measuring the diameter at the specified section height, which belongs to the method of direct contact measurement. But because there is a spray coating of soft material on the hole wall of the part, contact measurement cannot be used. Therefore, it is necessary to design a special measuring device and adopt a non-contact measuring method to meet the requirements of hole diameter and taper detection accuracy. Contents of the invention [0003] The object of the present ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B13/10
CPCG01B13/10
Inventor 郭霞葛蕾杨静吉建新张俊高锋利王茂民
Owner AECC AVIATION POWER CO LTD
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