CN204903086U - Pressure calibration equipment - Google Patents
Pressure calibration equipment Download PDFInfo
- Publication number
- CN204903086U CN204903086U CN201520345331.9U CN201520345331U CN204903086U CN 204903086 U CN204903086 U CN 204903086U CN 201520345331 U CN201520345331 U CN 201520345331U CN 204903086 U CN204903086 U CN 204903086U
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- CN
- China
- Prior art keywords
- piston
- piston cylinder
- pipe
- conduit
- checking device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a pressure calibration equipment, including piston cylinder, pipe, working solution, helical compression generator, working piston, lead screw, hand wheel, measurement piston, loading weight, the piston cylinder sets up perpendicularly, and the piston cylinder bottom is connected through the helical compression generator of pipe with the level setting, be provided with the measurement piston in the piston cylinder, detachable is provided with the loading weight on measuring the top land tray, be provided with the piston in the helical compression generator, the piston connects gradually with lead screw, hand wheel, pipe between piston cylinder and the helical compression generator is the competent pipe of horizontal UNICOM still, be provided with on the horizontal duct by check -up pipe, oil cup, be provided with between oil cup and the horizontal duct needle type valve be provided with aciculiform oil feed valve rod on the needle type valve, be provided with by the check -up manometer on the check -up pipe, the working solution sets up in the pipe. The utility model discloses simple structure, good reliability, precision height.
Description
Technical field
The utility model relates to a kind of pressure checking device, belongs to manometer calibration equipment technical field.
Background technology
At present, before pressure instrumentation is dispatched from the factory, after new table transport, use middle because of pressure detecting element fatigue, the wearing and tearing of gear train and the aging of burn into electronic component, all will verify pressure instrumentation.The normal use of pressure checking device to pressure instrumentation serves very crucial effect thus.
Utility model content
Object: in order to overcome the deficiencies in the prior art, the utility model provides a kind of pressure checking device.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of pressure checking device, comprise piston cylinder, conduit, working fluid, helical pressure generator, working piston, leading screw, handwheel, measurement piston, loading counterweight, described piston cylinder is vertically arranged, and is connected bottom piston cylinder by conduit with horizontally disposed helical pressure generator; Be provided with measurement piston in described piston cylinder, dismountablely on described measurement top land pallet be provided with loading counterweight; Be provided with working piston in described helical pressure generator, working piston is connected successively with leading screw, handwheel; Conduit between described piston cylinder and helical pressure generator also level is linked with horizontal duct, described horizontal duct is provided with by calibrated tube, lubricating cup, is provided with between described lubricating cup and horizontal duct on needle-like valve, described needle-like valve and is provided with aciculiform oil-feed valve rod; Described calibrated tube is provided with is verified tensimeter; Described working fluid is arranged in conduit.
Also comprise stop valve, the conduit between described piston cylinder and helical pressure generator is provided with stop valve; Describedly be provided with stop valve by calibrated tube.
Also comprise criteria check pipe, described horizontal duct is provided with criteria check pipe, for connection standard tensimeter.
Preferably, described working fluid is set to transformer oil, for verifying the tensimeter of below 6MPa.
Preferably, described working fluid is set to castor oil, for verifying the tensimeter of more than 6MPa.
Beneficial effect: a kind of pressure checking device that the utility model provides, the design's structure is simple, reliability is strong, precision is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of pressure checking device, comprise piston cylinder 1, conduit 2, working fluid 3, helical pressure generator 4, working piston 5, leading screw 6, handwheel 7, measure piston 8, loading counterweight 9, described piston cylinder 1 is vertically arranged, and is connected bottom piston cylinder 1 by conduit 2 with horizontally disposed helical pressure generator 4; Be provided with in described piston cylinder 1 and measure piston 8, dismountablely in described measurement piston 8 top pallet be provided with loading counterweight 9; Be provided with working piston 5 in described helical pressure generator 4, working piston 5 is connected successively with leading screw 6, handwheel 7; Conduit 2 between described piston cylinder 1 and helical pressure generator 4 also level is linked with horizontal duct 10, described horizontal duct 10 is provided with by calibrated tube 11, lubricating cup 12, is provided with between described lubricating cup 12 and horizontal duct 10 on needle-like valve 13, described needle-like valve 13 and is provided with aciculiform oil-feed valve rod 14; Described calibrated tube 11 is provided with is verified tensimeter 15; Described working fluid 3 is arranged in conduit 2.
Also comprise stop valve 16, the conduit 2 between described piston cylinder 1 and helical pressure generator 4 is provided with stop valve 16; Describedly be provided with stop valve 16 by calibrated tube 11.
Also comprise criteria check pipe 17, described horizontal duct 10 is provided with criteria check pipe 17, for connection standard tensimeter.
Concrete use-pattern is as follows: when opening aciculiform inlet valve valve rod, and rotation hand wheel makes the volume of the working piston connected by leading screw increase, and the working fluid under atmospheric pressure effect in lubricating cup flows to helical pressure generator by pipeline.Close the needle-like valve on lubricating cup, form an airtight system, rotation hand wheel drives leading screw to stretch or extruding working piston changes the pressure of system, is passed to by school tensimeter and measurement piston by hydrostatic transmission.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a pressure checking device, comprise piston cylinder, conduit, working fluid, it is characterized in that: also comprise helical pressure generator, working piston, leading screw, handwheel, measurement piston, loading counterweight, described piston cylinder is vertically arranged, and is connected bottom piston cylinder by conduit with horizontally disposed helical pressure generator; Be provided with measurement piston in described piston cylinder, dismountablely on described measurement top land pallet be provided with loading counterweight; Be provided with working piston in described helical pressure generator, working piston is connected successively with leading screw, handwheel; Conduit between described piston cylinder and helical pressure generator also level is linked with horizontal duct, described horizontal duct is provided with by calibrated tube, lubricating cup, is provided with between described lubricating cup and horizontal duct on needle-like valve, described needle-like valve and is provided with aciculiform oil-feed valve rod; Described calibrated tube is provided with is verified tensimeter; Described working fluid is arranged in conduit.
2. a kind of pressure checking device according to claim 1, is characterized in that: also comprise stop valve, and the conduit between described piston cylinder and helical pressure generator is provided with stop valve.
3. a kind of pressure checking device according to claim 1, is characterized in that: also comprise stop valve, is describedly provided with stop valve by calibrated tube.
4. a kind of pressure checking device according to claim 1, is characterized in that: also comprise criteria check pipe, described horizontal duct is provided with criteria check pipe, for connection standard tensimeter.
5. a kind of pressure checking device according to claim 1, is characterized in that: described working fluid is set to transformer oil, for verifying the tensimeter of below 6MPa.
6. a kind of pressure checking device according to claim 1, is characterized in that: described working fluid is set to castor oil, for verifying the tensimeter of more than 6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345331.9U CN204903086U (en) | 2015-05-26 | 2015-05-26 | Pressure calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520345331.9U CN204903086U (en) | 2015-05-26 | 2015-05-26 | Pressure calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903086U true CN204903086U (en) | 2015-12-23 |
Family
ID=54925254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520345331.9U Expired - Fee Related CN204903086U (en) | 2015-05-26 | 2015-05-26 | Pressure calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204903086U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181242A (en) * | 2015-05-26 | 2015-12-23 | 苏州华徕光电仪器有限公司 | Pressure checking apparatus |
| CN107179156A (en) * | 2017-06-30 | 2017-09-19 | 武汉轻工大学 | A kind of pressure gauge tester |
-
2015
- 2015-05-26 CN CN201520345331.9U patent/CN204903086U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181242A (en) * | 2015-05-26 | 2015-12-23 | 苏州华徕光电仪器有限公司 | Pressure checking apparatus |
| CN107179156A (en) * | 2017-06-30 | 2017-09-19 | 武汉轻工大学 | A kind of pressure gauge tester |
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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: 20151223 Termination date: 20160526 |