CN204255558U - Tensimeter vacuum oil filling device - Google Patents
Tensimeter vacuum oil filling device Download PDFInfo
- Publication number
- CN204255558U CN204255558U CN201420793390.8U CN201420793390U CN204255558U CN 204255558 U CN204255558 U CN 204255558U CN 201420793390 U CN201420793390 U CN 201420793390U CN 204255558 U CN204255558 U CN 204255558U
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- vacuum
- tensimeter
- tank
- vacuum tank
- filling device
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Abstract
This patent application discloses a kind of tensimeter vacuum oil filling device, comprise vacuum tank and vacuum pump, described vacuum pump is communicated with the top of vacuum tank by connecting pipe, wherein, be also provided with calibration cell, stirrer, slip through the net dividing plate and vacuum meter, described vacuum tank is positioned at calibration cell, described stirrer is arranged in vacuum tank, be provided with shoulder in described vacuum tank, described in dividing plate of slipping through the net place on shoulder, vacuum tank top is located at by described vacuum meter.After adopting the tensimeter vacuum oil filling device of present patent application oil-filled to tensimeter, not containing gas in the Seal Oil in tensimeter.
Description
Technical field
Originally a kind of tensimeter vacuum oil filling device is related to.
Background technology
Diaphragm is applicable to measure deep-etching, high temperature, high viscosity, easily crystallization, easily solidifies, has the pressure medium of solid floating material, and measuring media must be avoided directly to enter universal manometer and prevent sediment from gathering and the occasion of easy cleaning.Diaphragm is mainly used in the use measuring the pressure of fluid media (medium) in the industrial sector production runes such as petrochemical complex, alkaline, chemical fibre, dye, pharmacy, food, sanitation system and alkaline.
The principle of work of diaphragm is as follows: when the pressure P of measuring media acts on barrier film, then barrier film produces distortion, and the Seal Oil of compression pressure instrument pressure measuring system, makes it form the pressure of P-△ P.When enough hour of the rigidity of barrier film, then △ P is also very little, and the pressure that manometer pressure measuring system is formed just is bordering on the pressure of measuring media.
In diaphragm, main dependence Seal Oil Transfer Medium pressure, if there is gas in Seal Oil, then can affect the measurement accuracy of diaphragm.At present, known diaphragm vacuum oil filling method is as follows: pour in vacuum tank by Seal Oil exactly, again by treating that oil-filled tensimeter immerses in vacuum tank completely, building vacuum tank, vacuum tank is vacuumized, after arriving certain hour, open shutoff valve, atmospheric pressure enters tank body, completes oil-filled in tensimeter, from oil, take out tensimeter, fill in row oil sealing with oil sealing.Finally instrument is debugged.Micro-bubble in this kind of oil-filled existence oil of method enters in tensimeter, and in actual instrument debugging, unstable to the indicating accuracy of instrument, when low-pressure temperature variation, indicating accuracy's change is particularly evident especially, so that do not reach the accuracy class of gage requirement.
Utility model content
For the defect that above-mentioned prior art exists, after the purpose of this utility model is to provide a kind of tensimeter oil-filled, the tensimeter vacuum oil filling device not containing gas in the Seal Oil in tensimeter.
For achieving the above object, the technical solution of the utility model is as follows:
Tensimeter vacuum oil filling device, comprise vacuum tank and vacuum pump, described vacuum pump is communicated with the top of vacuum tank by connecting pipe, wherein, also be provided with calibration cell, stirrer, slip through the net dividing plate and vacuum meter, described vacuum tank is positioned at calibration cell, and described stirrer is arranged in vacuum tank, is provided with shoulder in described vacuum tank, described dividing plate of slipping through the net places on shoulder, vacuum tank top is located at by described vacuum meter, and described bleeder pipe is communicated with vacuum tank top, and shutoff valve is connected on bleeder pipe.
When adopting technique scheme, first in vacuum tank, Seal Oil is added, the liquid level of Seal Oil is greater than dividing plate of slipping through the net, then slip through the net on dividing plate by treating that oil-filled tensimeter is placed on, tensimeter is positioned at below the liquid level of Seal Oil, then sealed vacuum tank, starts stirrer and vacuum pump, on the one hand calibration cell can Seal Oil in heating, vacuum tank, promotes to be dissolved in air release in Seal Oil out; Stirrer stirs the Seal Oil in vacuum tank on the other hand, also dissolved gases in Seal Oil can be made to be dissolved out, gas in vacuum tank through connecting pipe, and is extracted out by vacuum pump, when the vacuum tightness in vacuum tank reaches requirement, vacuum tightness is illustrated by vacuum meter, then open the shutoff valve on bleeder pipe, now atmospheric pressure is in bleeder pipe press-in vacuum tank, Seal Oil is pressed in tensimeter, tensimeter is oil-filled complete after, with oil sealing plug, tensimeter is sealed.The utility model adopts the Seal Oil in stirrer stirring vacuum tank, in addition, vacuum tank is located in calibration cell, Seal Oil in vacuum tank is heated, to Seal Oil heating with stir and dissolved gases in Seal Oil can be discharged, thus tensimeter oil-filled after, not containing gas in the Seal Oil in tensimeter, thus ensure the accuracy that tensimeter detects, improve manometric accuracy of detection.
Further, described calibration cell is Water Tank with Temp.-controlled, is provided with the electric heating tube of plate-like in Water Tank with Temp.-controlled.Water is easier to the environment controlling constant temperature, and the electric heating tube of plate-like can make the even water temperature in Water Tank with Temp.-controlled in addition, thus vacuum tank is heated evenly.
Further, described stirrer is positioned at bottom vacuum tank, and described in dividing plate of slipping through the net be positioned at above stirrer.Stirrer is positioned at bottom vacuum tank and can Seal Oil be stirred fully, removes the effective of sealing oil dissolved gas.
Further, described vacuum tank comprises tank body and lid, and the upper surface of described tank body is provided with sealing gasket, and described lid can cover tank body.After lid is covered by sealing gasket and tank body, when vacuum pump works, good sealing effectiveness can be realized.
Further, described lid side and tank body outside surface hinged, described tank body is circumferentially with at least three and coordinates the hold-down head compressing lid, described hold-down head comprises screw rod, set nut and pressure head, hinged outside described screw rod one end and vacuum tank, described set nut and pressure head are threaded with the screw rod other end from inside to outside.Lid and hinged being convenient to of tank body are opened and are covered lid, and hold-down head one end is also hinged with tank body, after lid covers, rotating screw bolt, then tightens pressure head, and the edge of lid is compressed by pressure head, jointly compressed by least three hold-down heads, so just can play extraordinary sealing function.
Further, described pressure head is star-shaped, and most advanced and sophisticated round and smooth.The surface of contact of pressure head and cover edge is relatively large, when pressure head is pressed on cover edge, cover edge can not local pressure excessive.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the structural representation of the utility model tensimeter vacuum oil filling device embodiment;
Fig. 2 is the structural representation of hold-down head part in the utility model tensimeter vacuum oil filling device embodiment;
Fig. 3 is the structural representation of tank body connecting power line part in the utility model tensimeter vacuum oil filling device embodiment.
Embodiment
Below by embodiment, the utility model is described in further detail:
Reference numeral in Figure of description comprises: vacuum pump 1, connecting pipe 2, vacuum tank 3, tank body 31, lid 32, shutoff valve 4, bleeder pipe 5, calibration cell 6, dividing plate 7 of slipping through the net, shoulder 8, electric heating tube 9, power lead 10, stirrer 11, tensimeter 12, hold-down head 13, screw rod 131, set nut 132, pressure head 133, metal tube 14, gland nut 15, O-ring seal 16.
As shown in Figure 1, a kind of tensimeter vacuum oil filling device, comprise vacuum tank 3 and vacuum pump 1, vacuum pump 1 is communicated with the top of vacuum tank 3 by connecting pipe 2, wherein, also be provided with calibration cell 6, stirrer 11, slip through the net dividing plate 7 and vacuum meter, vacuum tank 3 is positioned at calibration cell 6, and in the present embodiment, the temperature in calibration cell 6 controls at about 80 DEG C, stirrer 11 is arranged in vacuum tank 3, be provided with shoulder 8 in vacuum tank 3, dividing plate 7 of slipping through the net places on shoulder 8, and vacuum tank 3 top is located at by vacuum meter, during use, the vacuum tightness in vacuum tank 3 at least reaches 10
-2pa, described bleeder pipe 5 is communicated with vacuum tank 3 top, and shutoff valve 4 is connected on bleeder pipe 5.
In the present embodiment, as shown in Figure 3, because stirrer 11 needs to be connected with outside power supply by power lead 10, so vacuum tank 3 will be offered the opening of extracting power supply cord 10, the female metal tube 14 of welded bands in opening, directly be welded between metal tube 14 and vacuum tank 3, be provided with the gland nut 15 with metal tube 14 threaded engagement in addition, the endoporus of gland nut 15 is taper, power lead 10 is through the endoporus of gland nut 15, O-ring seal 16 is provided with between the endoporus of power lead 10 and gland nut 15, during installation, gland nut 15 is tightened, O-ring seal 16 compresses by the taper endoporus of gland nut 15, make O-ring seal 16 by power lead 10 locking completely, finally seal with stop-leak compound.
In the present embodiment, calibration cell 6 is Water Tank with Temp.-controlled, is provided with the electric heating tube 9 of plate-like in Water Tank with Temp.-controlled.Water is easier to the environment controlling constant temperature, and the electric heating tube 9 of plate-like can make the even water temperature in Water Tank with Temp.-controlled in addition, thus vacuum tank 3 is heated evenly.
Stirrer 11 is positioned at bottom vacuum tank 3, and dividing plate 7 of slipping through the net is positioned at above stirrer 11.Stirrer 11 is positioned at bottom vacuum tank 3 and can Seal Oil be stirred fully, removes the effective of sealing oil dissolved gas.
Vacuum tank 3 comprises tank body 1 and lid 32, and the upper surface of tank body 1 is provided with sealing gasket, and lid 32 can cover tank body 1.Lid 32 when vacuum pump 1 works, can realize good sealing effectiveness after being covered by sealing gasket and tank body 1.
Shown in composition graphs 1 and Fig. 2, lid 32 side and tank body 1 outside surface hinged, tank body 1 is circumferentially with at least three and coordinates the hold-down head 13 compressing lid 32, hold-down head 13 comprises screw rod 131, set nut 132 and pressure head 133, hinged outside screw rod 131 one end and vacuum tank 3, set nut 132 and pressure head 133 are threaded with screw rod 131 other end from inside to outside.Lid 32 is opened and covered to lid 32 and hinged being convenient to of tank body 1, hold-down head 13 one end is also hinged with tank body 1, after lid 32 covers, rotating screw bolt 131, then pressure head 133 is tightened, the edge of lid 32 is compressed by pressure head 133, is jointly compressed by three hold-down heads 13, so just can play extraordinary sealing function.
Pressure head 133 is star-shaped, and most advanced and sophisticated round and smooth.Pressure head 133 is relatively large with the surface of contact at lid 32 edge, when pressure head 133 is pressed on lid 32 edge, lid 32 edge can not local pressure excessive.
Specific works principle:
First in vacuum tank 3, Seal Oil is added, the liquid level of Seal Oil is greater than dividing plate 7 of slipping through the net, then slip through the net on dividing plate 7 by treating that oil-filled tensimeter 12 is placed on, tensimeter 12 is positioned at below the liquid level of Seal Oil, then sealed vacuum tank 3, start stirrer 11 and vacuum pump 1, calibration cell 6 can Seal Oil in heating, vacuum tank 3 on the one hand, promotes to be dissolved in air release in Seal Oil out; Stirrer 11 stirs the Seal Oil in vacuum tank 3 on the other hand, also dissolved gases in Seal Oil can be made to be dissolved out, gas in vacuum tank 3 through connecting pipe 2, and is extracted out by vacuum pump 1, when the vacuum tightness in vacuum tank 3 reaches requirement, vacuum tightness is illustrated by vacuum meter, then open the shutoff valve 4 on bleeder pipe 5, now atmospheric pressure is pressed in vacuum tank 3 through bleeder pipe 5, Seal Oil is pressed in tensimeter 12, tensimeter 12 is oil-filled complete after, with oil sealing plug, tensimeter 12 is sealed.
Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from the utility model structure, some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in instructions etc. record the content that may be used for explaining claim.
Claims (6)
1. tensimeter vacuum oil filling device, comprise vacuum tank and vacuum pump, described vacuum pump is communicated with the top of vacuum tank by connecting pipe, it is characterized in that, also be provided with calibration cell, stirrer, dividing plate of slipping through the net, vacuum meter, bleeder pipe and shutoff valve, described vacuum tank is positioned at calibration cell, described stirrer is arranged in vacuum tank, shoulder is provided with in described vacuum tank, described dividing plate of slipping through the net places on shoulder, vacuum tank top is located at by described vacuum meter, and described bleeder pipe is communicated with vacuum tank top, and shutoff valve is connected on bleeder pipe.
2. tensimeter vacuum oil filling device according to claim 1, it is characterized in that, described calibration cell is Water Tank with Temp.-controlled, is provided with the electric heating tube of plate-like in Water Tank with Temp.-controlled.
3. tensimeter vacuum oil filling device according to claim 1, it is characterized in that, described stirrer is positioned at bottom vacuum tank, and described in dividing plate of slipping through the net be positioned at above stirrer.
4. tensimeter vacuum oil filling device according to claim 1, it is characterized in that, described vacuum tank comprises tank body and lid, and the upper surface of described tank body is provided with sealing gasket, and described lid can cover tank body.
5. tensimeter vacuum oil filling device according to claim 4, it is characterized in that, described lid side and tank body outside surface hinged, described tank body is circumferentially with at least three and coordinates the hold-down head compressing lid, described hold-down head comprises screw rod, set nut and pressure head, hinged outside described screw rod one end and vacuum tank, described set nut and pressure head are threaded with the screw rod other end from inside to outside.
6. tensimeter vacuum oil filling device according to claim 5, it is characterized in that, described pressure head is star-shaped, and most advanced and sophisticated round and smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793390.8U CN204255558U (en) | 2014-12-16 | 2014-12-16 | Tensimeter vacuum oil filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420793390.8U CN204255558U (en) | 2014-12-16 | 2014-12-16 | Tensimeter vacuum oil filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204255558U true CN204255558U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420793390.8U Expired - Fee Related CN204255558U (en) | 2014-12-16 | 2014-12-16 | Tensimeter vacuum oil filling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204255558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535248A (en) * | 2014-12-16 | 2015-04-22 | 重庆布莱迪仪器仪表有限公司 | Vacuum oil charging device for pressure gage |
-
2014
- 2014-12-16 CN CN201420793390.8U patent/CN204255558U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535248A (en) * | 2014-12-16 | 2015-04-22 | 重庆布莱迪仪器仪表有限公司 | Vacuum oil charging device for pressure gage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151216 |
|
| EXPY | Termination of patent right or utility model |