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Space curved surface section area measurement device

A technology for measuring device and cross-sectional area, which is applied to measuring devices, using fluid devices, instruments, etc., can solve the problems of large errors and inability to accurately measure the cross-sectional area of ​​products, and achieve the effects of volume reduction, easy promotion and use, and reasonable design.

Inactive Publication Date: 2017-02-22
HARBIN GUANGHAN POWER TRANSMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the measurement method of cross-sectional area of ​​test pieces of turbine structure products adopts water flow to measure for a period of time, measure the volume of passing water and the drop height of water tank liquid level, and use the pressure-flow calculation formula to calculate. This method has large errors and cannot Accurately measure the cross-sectional area of ​​the product

Method used

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  • Space curved surface section area measurement device

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Embodiment Construction

[0013] refer to figure 1 , a space surface cross-sectional area measurement device, the device includes a metering water tank 1, connecting pipe 2, exhaust valve 3, quick connector 4, upper platen 5 and lower platen 6, the test piece is clamped by the upper platen 5 and the lower platen 6 tight; the exhaust valve 3 is installed on the upper platen 5; the metering water tank 1 is connected with the connecting pipe 2, and the connection between the connecting pipe 2 and the upper platen 5 adopts the quick-fit joint 4; when the quick-fit joint 4 is connected with the upper platen 5 , measure the water in the water tank 1 into the chamber of the test piece, open the exhaust valve 3 until some water flows out, close the exhaust valve 3, and the chamber of the test piece is filled with water at this time. Measure the water loss of the metering water tank 1 and the height of the test piece, and then calculate the cross-sectional area of ​​the test piece. The invention has reasonable...

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Abstract

The invention relates to a measurement device and particularly relates to a space curved surface section area measurement device. The device comprises a metering water tank, a connecting pipe, an exhausting valve, a quick-release coupling, an upper pressing plate and a lower pressing plate, wherein a test piece is clamped through the upper pressing plate and the lower pressing plate; the exhausting valve is mounted on the upper pressing plate; the metering water tank is connected with the connecting pipe; the connecting pipe and the upper pressing plate are connected through the quick-release coupling; scale lines are formed in the metering water tank; the metering water tank is used for metering the volume of water entering a test piece chamber, so that the section area of the test piece is calculated; the metering water tank is connected with the upper pressing plate through adopting the quick-release coupling so that water loss is not caused; and the exhausting valve is connected with the upper pressing plate and exhausting is carried out so that the test piece chamber is filled with the water. The space curved surface section area measurement device provided by the invention is reasonable in design, compact in structure, simple in operation and small in occupied space.

Description

[0001] Technical field: [0002] The invention relates to a measuring device, in particular to a measuring device for the cross-sectional area of ​​a space curved surface. [0003] Background technique: [0004] Aviation industry products include many turbine structure products for functions such as airflow discharge. The cross-sectional area of ​​the turbine structure product test piece will have an important impact on the back pressure and throughput of the airflow, which is an important factor considered in the structural design. The turbine structure is often produced by casting. Due to process reasons and factors such as liquid flow during casting, it will As a result, the size deviation of the structural part is large, so it is necessary to measure the cross-sectional area of ​​the test piece of the turbine structure product produced to inspect this type of product. At present, the measurement method of cross-sectional area of ​​test pieces of turbine structure products ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B13/20G01B21/28
CPCG01B13/20G01B21/28
Inventor 赵勇姚望周金阳夏博刘永恒
Owner HARBIN GUANGHAN POWER TRANSMISSION
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