CN101349605A - Pressure meter calibration stand - Google Patents
Pressure meter calibration stand Download PDFInfo
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- CN101349605A CN101349605A CNA2008101203718A CN200810120371A CN101349605A CN 101349605 A CN101349605 A CN 101349605A CN A2008101203718 A CNA2008101203718 A CN A2008101203718A CN 200810120371 A CN200810120371 A CN 200810120371A CN 101349605 A CN101349605 A CN 101349605A
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Abstract
The invention relates to a pressure gauge checking table, which comprises an oil tank, and further comprises a high-pressure oil pump and an oil-water isolator, wherein the high-pressure oil pump is connected with the oil tank through a sucker, and the oil-water isolator comprises an enclosed liquid container, wherein a horizontal corrugated pipe is arranged in the liquid container, and the liquid container is divided into an oil content cavity and a water content cavity by the corrugated pipe, the high-pressure oil pump is communicated with the oil content cavity of the oil-water isolator through an oil pipeline. An adjustable constant-pressure overflow valve and a one-way oil inlet valve are arranged on the oil pipeline in turn, wherein the adjustable constant-pressure overflow valve is communicated with the oil tank through a voltage regulator tube, the water content cavity of the oil-water isolator is communicated with an output tube, and the output tube is connected with a standard meter and a measured meter. A liquid tank is divided into a water content cavity and an oil content cavity by the corrugated pipe, and oil and water are led to be separated, when the pressure gauge checking table is corrected, oil can not get into a pressure gauge, and therefore, the pressure gauge checking table can not influence the use quality of the measured meter. The adjustable constant-pressure overflow valve is arranged on the oil pipeline, which can accurately set and output measuring pressure.
Description
(1) technical field
The present invention relates to a kind of tensimeter check-out console.
(2) background technology
Pressure meter calibration stand is a kind of device that the tensimeter of new production is tested, comprise storage tank and pressure vessel, pressure vessel is communicated with efferent duct, be connected with tested table and standard scale on the efferent duct, existing pressure meter calibration stand is manually operated, go out to enter into the oil pressure in the oil storing tube in the pressure vessel by pressing depression bar, fill water in the pressure vessel, after oil is pressed in the pressure vessel, water also is forced out thereupon, flow in tested table and the standard scale and compare detection, tested table and standard scale contrast carrying out manual synchronizing.The shortcoming that existing this pressure meter calibration stand also exists is: 1. manual operation inefficiency, the pressure of the oil of extrusion can only be controlled with experience, is difficult to reach accurate control.2. oil and water mix in the pressure vessel, can only lean on the oil and the density difference of water to make oil and water stratification, oil is on the upper strata, water is in lower floor, efferent duct extend into water is exported by efferent duct simultaneously, but be difficult to guarantee not have oil output, will exert an influence to manometric service property (quality) in case oil enters into tensimeter.
(3) summary of the invention
Be difficult to accurately to control output pressure in order to overcome existing pressure meter calibration stand, can exert an influence tested manometric service property (quality), the deficiency of inefficiency, the invention provides and a kind ofly can accurately control output pressure, that can not exert an influence to the service property (quality) of tested table, high efficiency tensimeter check-out console.
The technical scheme that the present invention solves its technical matters is: a kind of pressure meter calibration stand, comprise storage tank, also comprise high-pressure oil pump, profit isolator, described high-pressure oil pump is connected with described storage tank by oil inlet pipe, described oil-water separator comprises an airtight liquid container, be provided with corrugated tube longitudinally in the described liquid container, this corrugated tube is divided into the appearance oil pocket of bottom and the water containing chamber on top with described liquid container, accommodates water in the described water containing chamber; Described high-pressure oil pump is communicated with the appearance oil pocket of described profit isolator by petroleum pipeline, is provided with adjustable level pressure surplus valve and unidirectional inlet valve on the described petroleum pipeline successively, and described adjustable level pressure surplus valve is communicated with described storage tank by surge pipe; The water containing chamber of described profit isolator is communicated with efferent duct, is connected with standard scale and tested table on the described efferent duct.
Further, on the flow direction of oil, the rear of described unidirectional inlet valve is provided with scavenge pipe, and described scavenge pipe is provided with unidirectional oil return valve.
The present invention at first sets the pressure that passes through of adjustable level pressure surplus valve in use, and this pressure equals detected pressures.By high-pressure oil pump the oil in the storage tank is released, oil is transported in the appearance oil pocket of liquid container by petroleum pipeline.In course of conveying, in case oil pressure surpasses the pressure that passes through of adjustable level pressure surplus valve, then unnecessary oil is carried back storage tank by surge pipe, make oil pressure keep stable.After oil was transported to and holds in the oil pocket, the oil pressure of generation was applied on the corrugated tube hydraulic pressure in the water containing chamber is gone out, and was delivered to tested table and standard scale compares detection, tested table and standard scale contrast carrying out manual synchronizing by efferent duct.
Beneficial effect of the present invention is: by the high-pressure oil pump transferring oil, realized automation mechanized operation, the efficient height 1..2. liquid container is divided into it water containing chamber and holds oil pocket by corrugated tube, makes oil and water separation, carry out timing oil and can not enter in the tensimeter, so the present invention can not exert an influence to the service property (quality) of tested table.3. petroleum pipeline is provided with adjustable level pressure surplus valve, can accurately set the output detected pressures.
(4) description of drawings
Fig. 1 is a structural representation of the present invention
(5) embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1, a kind of pressure meter calibration stand comprises storage tank 1, also comprises high-pressure oil pump 2, profit isolator 3, and described high-pressure oil pump 2 is connected with described storage tank 1 by oil inlet pipe 4.
Described oil-water separator 3 comprises an airtight liquid container, be provided with corrugated tube 5 (being that pipe is provided with the rubber-like pipe that laterally inwardly caves in) longitudinally in the described liquid container, this corrugated tube 5 is divided into the appearance oil pocket 6 of bottom and the water containing chamber 7 on top with described liquid container, accommodates water in the described water containing chamber 7.
Described high-pressure oil pump 2 is communicated with the appearance oil pocket 6 of described profit isolator by petroleum pipeline 8, is provided with adjustable level pressure surplus valve 9 and unidirectional inlet valve 10 on the described petroleum pipeline 8 successively, and unidirectional inlet valve 10 can only be flowed oil by high-pressure oil pump to holding the oil pocket direction.Described adjustable level pressure surplus valve 9 is communicated with described storage tank 1 by surge pipe 11; The water containing chamber 7 of described profit isolator is communicated with efferent duct 12, is connected with standard scale 13 and tested table 14 on the described efferent duct 12.
In the present embodiment, on the flow direction of oil, the rear of described unidirectional inlet valve 10 also is provided with scavenge pipe 15, and described scavenge pipe 15 is provided with unidirectional oil return valve 16, and unidirectional oil return valve can only flow oil to storage tank 1 direction.
The present invention at first sets the pressure that passes through of adjustable level pressure surplus valve 9 in use, and this pressure equals detected pressures.By high-pressure oil pump 2 oil in the storage tank 1 is released, oil is transported in the appearance oil pocket 6 of liquid container by petroleum pipeline 8.In course of conveying, in case oil pressure surpasses the pressure that passes through of adjustable level pressure surplus valve 9, then unnecessary oil is carried back storage tank 1 by surge pipe 11, make oil pressure keep stable.After oil was transported to and holds in the oil pocket 6, the oil pressure of generation was applied on the corrugated tube 5 hydraulic pressure in the water containing chamber 7 is gone out, and was delivered to tested table 14 and standard scale 13 compares detection by efferent duct 12, and manual synchronizing is carried out in tested table 14 and standard scale 13 contrasts.After correction finished, the oil in the petroleum pipeline 8 can flow back in the storage tank by scavenge pipe 15.
Claims (2)
1. a pressure meter calibration stand comprises storage tank, it is characterized in that: also comprise high-pressure oil pump, profit isolator, described high-pressure oil pump is connected with described storage tank by oil inlet pipe;
Described oil-water separator comprises an airtight liquid container, is provided with corrugated tube longitudinally in the described liquid container, and this corrugated tube is divided into the appearance oil pocket of bottom and the water containing chamber on top with described liquid container, accommodates water in the described water containing chamber;
Described high-pressure oil pump is communicated with the appearance oil pocket of described profit isolator by petroleum pipeline, is provided with adjustable level pressure surplus valve and unidirectional inlet valve on the described petroleum pipeline successively, and described adjustable level pressure surplus valve is communicated with described storage tank by surge pipe; The water containing chamber of described profit isolator is communicated with efferent duct, is connected with standard scale and tested table on the described efferent duct.
2. pressure meter calibration stand as claimed in claim 1 is characterized in that: on the flow direction of oil, the rear of described unidirectional inlet valve is provided with scavenge pipe, and described scavenge pipe is provided with unidirectional oil return valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101203718A CN101349605A (en) | 2008-08-25 | 2008-08-25 | Pressure meter calibration stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101203718A CN101349605A (en) | 2008-08-25 | 2008-08-25 | Pressure meter calibration stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101349605A true CN101349605A (en) | 2009-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101203718A Pending CN101349605A (en) | 2008-08-25 | 2008-08-25 | Pressure meter calibration stand |
Country Status (1)
| Country | Link |
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| CN (1) | CN101349605A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980720A (en) * | 2012-11-21 | 2013-03-20 | 江苏润仪仪表有限公司 | Wide-range electric pressure debugging meter |
| CN103064406A (en) * | 2012-12-21 | 2013-04-24 | 江苏环力科技发展有限公司 | Pressure regulating test board |
| CN103353373A (en) * | 2013-07-12 | 2013-10-16 | 中国人民解放军91663部队 | Calibration device used for multi-medium spring-tube pressure gauge |
| CN103759889A (en) * | 2014-01-28 | 2014-04-30 | 马鞍山市奈特仪表科技有限公司 | Oxygen meter calibrator and calibration method thereof |
-
2008
- 2008-08-25 CN CNA2008101203718A patent/CN101349605A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980720A (en) * | 2012-11-21 | 2013-03-20 | 江苏润仪仪表有限公司 | Wide-range electric pressure debugging meter |
| CN103064406A (en) * | 2012-12-21 | 2013-04-24 | 江苏环力科技发展有限公司 | Pressure regulating test board |
| CN103353373A (en) * | 2013-07-12 | 2013-10-16 | 中国人民解放军91663部队 | Calibration device used for multi-medium spring-tube pressure gauge |
| CN103353373B (en) * | 2013-07-12 | 2016-08-10 | 中国人民解放军91663部队 | Assay device for multimedium Bourdon tube pressure gauge |
| CN103759889A (en) * | 2014-01-28 | 2014-04-30 | 马鞍山市奈特仪表科技有限公司 | Oxygen meter calibrator and calibration method thereof |
| CN103759889B (en) * | 2014-01-28 | 2016-04-13 | 马鞍山市奈特仪表科技有限公司 | A kind of oxygen gauge tester and method of calibration thereof |
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Open date: 20090121 |