CN202522370U - Pressure gauge joint extension device used for pressure gauge verification bench - Google Patents
Pressure gauge joint extension device used for pressure gauge verification bench Download PDFInfo
- Publication number
- CN202522370U CN202522370U CN2012201172586U CN201220117258U CN202522370U CN 202522370 U CN202522370 U CN 202522370U CN 2012201172586 U CN2012201172586 U CN 2012201172586U CN 201220117258 U CN201220117258 U CN 201220117258U CN 202522370 U CN202522370 U CN 202522370U
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- pressure gauge
- pressure
- way connection
- extension device
- interface
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Abstract
The utility model discloses a pressure gauge joint extension device used for a pressure gauge verification bench. The pressure gauge joint extension device comprises an external joint connected with a booster pump pressure guide port. The external joint is connected with a plurality of pressure gauge joints that are connected in parallel. Each pressure gauge joint is equipped with a screwed plug. The pressure gauge joint extension device enables a pressure gauge verification bench to simultaneously calibrate a plurality of pressure gauges with the same measuring range during a single stroke elevating press process, helps to solve problems of high loss of equipment, long time consumption for verification of the pressure gauge and high consumption of manpower because only one pressure gauge can be calibrated during a single stroke process, enables the work efficiency to be substantially increased, and enables the labor intensity to be minimized. The pressure gauge joint extension device is convenient to manufacture and operate, is high in utilization rate and simple in structure, enables construction costs to be lowered, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of pressure meter calibration stand, particularly relates to a kind of pressure gauge connection that is used for pressure meter calibration stand and expands device.
Background technology
At present, the pressure meter calibration in the engineering construction generally adopts pressure meter calibration stand, and this pressure meter calibration stand is provided with two pressure tappings; Connect master gauge respectively and by the school tensimeter; Consequently at every turn can only tensimeter of verification during the one-way trip verification, caused the equipment repeated wear, inefficiency; Pressure meter calibration work length consuming time, the shortcoming that cost of labor is high.
The utility model content
The utility model provides a kind of pressure gauge connection that is used for pressure meter calibration stand to expand device for solving the technical matters that exists in the known technology, and this expansion device can make the tensimeter of verification polylith of pressure meter calibration stand with range.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: a kind of pressure gauge connection that is used for pressure meter calibration stand is expanded device; Comprise the coupling that is connected with the supercharge pump pilot port; Said coupling is connected with the pressure tapping of a plurality of parallel connections, is equipped with plug in each said pressure tapping.
Said coupling is connected with first interface of a three-way connection through the first pipeline pipe nipple; Second interface of said three-way connection is connected with the said pressure tapping of a plurality of parallel connections; The 3rd interface of said three-way connection is connected with an end of the 3rd pipeline pipe nipple, and the other end of said the 3rd pipeline pipe nipple is equipped with stop valve.
Said pressure tapping has three; Second interface of said three-way connection is connected with an interface of a four-way connection through the 3rd pipeline pipe nipple, and its excess-three interface of said four-way connection is connected with three said pressure tappings through steel pipe respectively.
Said three-way connection is bite type joint or welded fitting.
Said four-way connection is bite type joint or welded fitting.
Advantage and the good effect that the utlity model has are: can make a pressure meter calibration stand in one-way trip buck process, calibrate polylith simultaneously with the range tensimeter; Solved that one-way trip in the past can only calibrate that the equipment consume that a tensimeter brings is big, pressure meter calibration length consuming time, problem that manpower consumption is big; Improve work efficiency greatly, reduced labour intensity; And the utility model is simple for production, and utilization factor is high, has reduced construction cost; Simple in structure, be convenient to operation, safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is used for the synoptic diagram of liquid pilot medium priming fluid for the utility model;
Fig. 3 is for using the manometric synoptic diagram of the utility model verification;
Fig. 4 is for using the operation chart that the utility model carries out liquid pilot media discharge.
Among the figure: the 1st, plug, the 2nd, pressure tapping, the 3rd, steel pipe, the 4th, four-way connection; 5 is second pipeline pipe nipples, the 6th, and three-way connection, 7 is first pipeline pipe nipples, the 8th, coupling; 9 is the 3rd pipeline pipe nipples, the 10th, and stop valve, the 11st, funnel, the 12nd, flexible pipe; The 13rd, nipple, the 14th, supercharge pump, the 15th, pressure regulation handwheel, the 16th, oil can.
Embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
See also Fig. 1～Fig. 4; A kind of pressure gauge connection that is used for pressure meter calibration stand is expanded device; Comprise the coupling 8 that is connected with the supercharge pump pilot port, said coupling 8 is connected with the pressure tapping 2 of a plurality of parallel connections, is equipped with plug 1 in each said pressure tapping 2.Adopt and divide path method extension tube road port; Adopt the pipeline multiple-pass joint to expand a tensimeter pilot port on the testing table; Generate the pressure gauge connection of a plurality of parallel connections, can realize many manometric connections, thus manometric synchronization check that realization connects.
In this example; Adopt the non-circulating type pressure calibration of liquid in order to be applicable to simultaneously as the pilot medium; Above-mentioned coupling 8 is connected with first interface of a three-way connection 6 through the first pipeline pipe nipple 7; Second interface of said three-way connection 6 is connected with the said pressure tapping 2 of a plurality of parallel connections, and the 3rd interface of said three-way connection 6 is connected with an end of the 3rd pipeline pipe nipple 9, and the other end of said the 3rd pipeline pipe nipple 9 is equipped with stop valve 10.For the non-circulating type pressure calibration that adopts liquid as the pilot medium; Thereby exist the pipeline volume to enlarge the volume increase restriction that causes boosting; The measure that present embodiment is taked is to increase the preliminary filling pipeline; Oil-filled according to U-shaped pipe principle, make pressure piping be full of the pilot liquid medium, thereby satisfy the manometric purpose of one-way trip buck verification.The preliminary filling pipeline is equipped with stop valve, is filling, is opening when draining the oil, and closes in rising and the reduction press process.
In this example, said pressure tapping 2 has three; Second interface of said three-way connection 6 is connected with an interface of a four-way connection 4 through the 3rd pipeline pipe nipple 9, and its excess-three interface of said four-way connection 4 is connected with three said tensimeter 2 joints through steel pipe 3 respectively.
Above-mentioned three-way connection 6 can be the bite type joint, also can be welded fitting.Equally, above-mentioned four-way connection 4 can be the bite type joint, also can be welded fitting.In this example, three-way connection and four-way connection can be all bite type or be all welded type, also can bite type and welded type mixing use.
Used in this example pipe fitting and valve all adopt stainless steel; Wherein steel pipe, four-way, threeway, pipe nipple adopt the thickening specification, to increase pipeline intensity, reduce the pipeline internal volume; Thereby reduce liquid pilot medium demand, shorten supercharging, reduced pressure operation time.
The principle of work of the utility model:
The utility model utilizes the interior each point gaseous tension of closed container to equate; The principle that the sustained height fluid pressure also equates; In the pressure room, draw a plurality of pipe interfaces and connect tensimeter, thereby realize many manometric operations of synchronization check in the pressure one-way trip process of rising or falling.Adopt law of connected vessels simultaneously; Accomplish the priming fluid process for adopting liquid as the extension pipeline that pressure meter calibration stand increased of pressure transmitting medium; Thereby full of liquid medium in the assurance pressure vessel reduces compressible medium space in the container, satisfies many pressure meter calibrations of one-way trip needs.
See also Fig. 2～Fig. 4, during use, coupling 8 is connected on the nipple 13 of supercharge pump 14, here nipple 13 is pilot ports of supercharge pump 14.
For with the pressure meter calibration stand of gas as the pilot medium, see also Fig. 3, close stop valve 10; To be installed in respectively in the pressure tapping 2 by the verification tensimeter with range; The standby pressure meter connector uses plug 1 sealing, satisfies tensimeter monomer checking precision and range required standard tensimeter and is installed on the supercharge pump 14 another one pilot ports, the pressure regulation handwheel 15 of operation supercharge pump 14; Accomplish all synchronously by the manometric verification in school; After verification is accomplished, will be pulled down by the school tensimeter, more renew by the school tensimeter.
For with the acyclic supercharge pump 14 of liquid as the pilot medium, see also Fig. 2, before the beginning verification, accomplish pipeline preliminary filling pilot medium process.Open stop valve 10, flexible pipe 12 and funnel 11 are promoted to and pressure tapping 2 equal altitudes, use oil can 16 to inject liquid pilot medium; Utilize U-shaped pipe principle that multiple pressure power list stroke calibration tube road is replenished the pilot medium, have visible oil level up to pressure tapping 2 places and end, close stop valve 10; In pressure tapping 2, install and be calibrated tensimeter; Initiation pressure table calibration process, method of operating is identical with gas medium pressure table calibration process, sees also Fig. 3.After all manometer calibration is accomplished; Flexible pipe 12 free ends are placed the height that is lower than supercharge pump 14 nipples 13; Open stop valve 10 and dismantle tensimeter, the medium oil in the multiple pressure power list stroke calibration tube road of parallel connection is discharged in the oil can 16 through flexible pipe 12, see also Fig. 4.
Although combine accompanying drawing that the preferred embodiment of the utility model is described above; But the utility model is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the utility model.
Claims (5)
1. a pressure gauge connection that is used for pressure meter calibration stand is expanded device, it is characterized in that comprise the coupling that is connected with the supercharge pump pilot port, said coupling is connected with the pressure tapping of a plurality of parallel connections, is equipped with plug in each said pressure tapping.
2. the pressure gauge connection that is used for pressure meter calibration stand according to claim 1 is expanded device; It is characterized in that; Said coupling is connected with first interface of a three-way connection through the first pipeline pipe nipple; Second interface of said three-way connection is connected with the said pressure tapping of a plurality of parallel connections, and the 3rd interface of said three-way connection is connected with an end of the 3rd pipeline pipe nipple, and the other end of said the 3rd pipeline pipe nipple is equipped with stop valve.
3. the pressure gauge connection that is used for pressure meter calibration stand according to claim 2 is expanded device, it is characterized in that said pressure tapping has three; Second interface of said three-way connection is connected with an interface of a four-way connection through the 3rd pipeline pipe nipple, and its excess-three interface of said four-way connection is connected with three said pressure tappings through steel pipe respectively.
4. expand device according to claim 2 or the 3 described pressure gauge connections that are used for pressure meter calibration stand, it is characterized in that said three-way connection is bite type joint or welded fitting.
5. the pressure gauge connection that is used for pressure meter calibration stand according to claim 3 is expanded device, it is characterized in that said four-way connection is bite type joint or welded fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201172586U CN202522370U (en) | 2012-03-23 | 2012-03-23 | Pressure gauge joint extension device used for pressure gauge verification bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201172586U CN202522370U (en) | 2012-03-23 | 2012-03-23 | Pressure gauge joint extension device used for pressure gauge verification bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202522370U true CN202522370U (en) | 2012-11-07 |
Family
ID=47105313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201172586U Expired - Lifetime CN202522370U (en) | 2012-03-23 | 2012-03-23 | Pressure gauge joint extension device used for pressure gauge verification bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202522370U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185867A (en) * | 2019-06-19 | 2019-08-30 | 哈尔滨锅炉厂有限责任公司 | A kind of double pressure meter four-way dial frameworks |
| CN110864847A (en) * | 2018-08-27 | 2020-03-06 | 成都飞机工业（集团）有限责任公司 | Calibration method of pump station pressure gauge for cold extrusion process |
| CN112229563A (en) * | 2020-09-30 | 2021-01-15 | 湖南创大玉兔化工有限公司 | Pressure measuring device for measuring high-temperature corrosion medium by using pressure gauge and sensor |
-
2012
- 2012-03-23 CN CN2012201172586U patent/CN202522370U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864847A (en) * | 2018-08-27 | 2020-03-06 | 成都飞机工业（集团）有限责任公司 | Calibration method of pump station pressure gauge for cold extrusion process |
| CN110185867A (en) * | 2019-06-19 | 2019-08-30 | 哈尔滨锅炉厂有限责任公司 | A kind of double pressure meter four-way dial frameworks |
| CN112229563A (en) * | 2020-09-30 | 2021-01-15 | 湖南创大玉兔化工有限公司 | Pressure measuring device for measuring high-temperature corrosion medium by using pressure gauge and sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |
|
| CX01 | Expiry of patent term |