Pneumatic control valve adjustment-calibration device

A pneumatic regulating valve and air source technology, which is applied in the testing of measuring devices, instruments, and mechanical components, etc., can solve problems such as installation and fixing difficulties, inconvenient operation and reading, and complicated gas circuit connections, and achieves convenient operation and adjustment. Accurate, easy connection effect

Inactive Publication Date: 2013-07-24
NANJING COLLEGE OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the pneumatic control valve is in direct contact with various process media, its adjustment has become a regular work for instrument workers. Difficult to fix, inconvenient to operate and read during adjustment

Method used

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  • Pneumatic control valve adjustment-calibration device
  • Pneumatic control valve adjustment-calibration device
  • Pneumatic control valve adjustment-calibration device

Examples

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Comparison scheme
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Embodiment Construction

[0018] refer to figure 1 , figure 2 and image 3 , The pneumatic control valve adjustment device of the present invention includes a frame pipe 1, a control box 2, a dial indicator 3, a bracket 4 and a tool tray 5. The frame pipe 1 is welded on the bracket 4 for installing and fixing the calibrated pneumatic regulating valve 11 .

[0019] The control box 2 is equipped with a pressure gauge 6 , a precision pressure gauge 7 , an air source connector 8 , a constant value device 9 and an output connector 10 . The pressure gauge 6 is an ordinary spring tube pressure gauge, which is used to indicate the pressure of the air source; the precision pressure gauge 7 is a high precision spring tube pressure gauge with an accuracy of 0.25, which is used to indicate the output pressure; The constant value device 9 is used to adjust the size of the output pressure; the air source connector 8 and the output connector 10 are quick air source connectors, and the output connector 10 has two ...

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PUM

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Abstract

The invention discloses a pneumatic control valve adjustment-calibration device, and belongs to the field of automation instruments. The pneumatic control valve adjustment-calibration device is used for adjusting, calibrating and maintaining a pneumatic control valve, and is characterized by comprising a rack pipe, a control box, a dial indicator, a support and a tool pallet, wherein a pressure gauge, a precise pressure gauge, an air source joint, a valuator and an output joint are installed on the control box. The pneumatic control valve adjustment-calibration device has the advantages of being rapid in installation and fixing, easy and convenient to connect, convenient to operate, clear in numerical reading and accurate in adjustment and calibration, and improves working efficiency and verification accuracy.

Description

technical field [0001] The invention relates to the calibration field of automatic instruments and meters, in particular to a calibration device for a pneumatic regulating valve. Background technique [0002] Pneumatic control valves are widely used in process automatic control systems. Since the pneumatic control valve is in direct contact with various process media, its adjustment has become a regular work for instrument workers. It is difficult to fix, and it is inconvenient to operate and read during the adjustment process. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a pneumatic control valve adjustment device that is easy to install and fix, simple to connect to the adjustment system, fast and convenient to operate, and accurate to read. To achieve the above object, the present invention is achieved through the following technical solutions: [0004] The pneumatic control valve adjustment device is ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00
Inventor 郭凯志
Owner NANJING COLLEGE OF CHEM TECH
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