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Bidirectional double-ball standard volume tube

A standard volume, volume tube technology, used in testing/calibration devices, liquid/fluid solids measurement, measurement devices, etc., can solve the problem of difficulty in replacing elastic balls with bidirectional volume tubes

Inactive Publication Date: 2011-06-08
浙江裕顺仪表有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the problem that it is difficult to replace the elastic ball in the existing two-way volume tube, the present invention provides a solution for storing a spare elastic ball in the volume tube, and the spare elastic ball can be used without opening the volume tube quick-opening blind plate. Ball for flowmeter verification to verify elastic ball damage

Method used

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  • Bidirectional double-ball standard volume tube
  • Bidirectional double-ball standard volume tube
  • Bidirectional double-ball standard volume tube

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] exist image 3 , Figure 4 , Figure 5 , Figure 6 Middle 10. Volume tube, 1.1a. Quick-opening blind plate, 2. Spare elastic ball, 3. Elastic ball, 4.4a.. Ball storage cavity, 5.5a. Guide rail, 6.6a. Telescopic ejector rod, 7.7a. Standard Pipe section, 8. Four-way valve.

[0017] exist image 3 The medium liquid flows from left to right, pushing the elastic ball (3) to move to the right first in the standard pipe section (7), and then upwards, before the elastic ball (3) leaves the outlet of the standard pipe section (7), the spare elastic ball (2) Push through the telescopic ejector rod (6) and enter the ball storage cavity (4). When the flow rate is small, the elastic ball floats above the outlet of the standard pipe section (7). The distance between the elastic ball and the outlet of the standard pipe section (7) and the size of the flow rate related. The spare elastic ball will be stopped by the quick-opening blind plate (1) and hover on the top of the ball st...

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Abstract

The invention provides a built-in standby ball system of a bidirectional volume tube, comprising a volume tube provided with a quick-open blind plate, a device which comprises a spring telescopic mandrill and prevents a ball from falling, and a ball launching device. The volume tube is internally and additionally provided with a standby ball which can enter into a ball storage chamber under the pushing of verification liquid; the connection tube of the quick-open blind plate and the volume tube is provided with the ball storage chamber, so that the replacement of the running ball without stopping and emptying the volume tube can be easily realized. The invention can conveniently detect whether the original running ball loses effectiveness by a mode of comparing the two balls, and has highrunning efficiency of the volume tube as well as simple and convenient operation of ball replacement.

Description

Technical field [0001] The invention relates to a two-way standard volume tube used for calibrating flow meters. In a specially processed and coated tube section determined by volume, an elastic ball called a displacer is placed. The elastic ball can move freely in the tube section. But it must form a sliding seal with the inner wall of the tube, and its moving speed in the tube is exactly the same as the speed of the liquid flowing through the tube, which can be used to calibrate the flowmeter. Background technique [0002] The accuracy of the flowmeter is the most important index among the characteristics of the flowmeter. The so-called calibration of the flowmeter is to compare it with the indication value of the standard measuring instrument with higher accuracy, and it is generally expressed by the error percentage corresponding to the maximum value of the flowmeter. The calibration of the flowmeter was first based on the mass method, that is, the mass of the liquid pa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F25/00
Inventor 李新社
Owner 浙江裕顺仪表有限公司
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