CN103630294B - A kind of big amplification ratio thrust device - Google Patents
A kind of big amplification ratio thrust device Download PDFInfo
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- CN103630294B CN103630294B CN201210309519.9A CN201210309519A CN103630294B CN 103630294 B CN103630294 B CN 103630294B CN 201210309519 A CN201210309519 A CN 201210309519A CN 103630294 B CN103630294 B CN 103630294B
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- piston
- plug device
- cylinder body
- oil
- cylinder
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Abstract
The invention discloses a kind of big amplification ratio thrust device, including cylinder plug system and hydraulic control system, described cylinder plug system includes vat plug device, little cylinder plug device and communicating pipe, it is achieved that gap retains, overcome frictional force, and be capable of the detection of great force value sensor.
Description
Technical field
The present invention relates to a kind of power standard set-up, particularly relate to a kind of big amplification ratio thrust device.
Background technology
For many years, calibration for calibration device for high range pressure transducer, people use piston gage mostly, make to need a dead lift counterweight in this way, artificial reading, manual calculation, not only inefficiency, labor intensity is big, and labor intensive material resources, there are some autoalign units domestic and international market, but its pressure medium uses gas, the automatic of the pressure transducer in the range of 0-20MPa can only be solved calibrate, so, people need a kind of calibrating installation for calibration device for high range pressure transducer for a long time.
Summary of the invention
For solving the problems referred to above, the present invention provides a kind of degree of accuracy high, measures the big amplification ratio thrust device that scope is big.
For achieving the above object, the present invention provides following technical scheme: a kind of big amplification ratio thrust device, including cylinder plug system and hydraulic control system, described cylinder plug system includes vat plug device, little cylinder plug device and communicating pipe；Described hydraulic control system includes hydraulic power source and oil circuit；Described vat plug device and little cylinder plug device all include cylinder body, piston and high pressure oil film；Described cylinder body is inverted suspension and is matched with described piston tip；Described piston is provided with the oil inlet passage leading to piston tip vertically；Described piston is the most radially provided with and leads to the some of piston side wall and penetrate micropore；Described penetrate oil inlet passage described in microporous connectivity；Described high pressure oil film penetrates between micropore and cylinder body described in being formed at；Connect oil inlet passage and the oil inlet passage of little cylinder plug device of described vat plug device described communicating pipe；Described hydraulic power source is by communicating pipe described in described oil communication.
Preferably, described oil circuit is provided with inlet non return check valve.
Preferably, the piston tip area of described vat plug device is more than the piston tip area of described little cylinder plug device.
Preferably, the cylinder body top of described little cylinder plug device is provided with the pressure-bearing device of carrying counterweight.
Preferably, described pressure-bearing device is the spherosome being embedded on the cylinder body of described little cylinder plug device.
Preferably, the weight sum of the cylinder body of described little cylinder plug device and pressure-bearing device is equal to the weight of the cylinder body of described vat plug device.
Preferably, described some penetrate micropore radially with axial uniform arrangement.
Above technical scheme is used to provide the benefit that: owing to being provided with oil inlet passage on piston and penetrating micropore, can around cylinder body formation high pressure equipressure oil film, form axial compressive force in piston one end simultaneously, cylinder inner carrier is made to be completely disposed among the encirclement of fluid media (medium), i.e. piston and cylinder body is intercepted by high pressure oil film completely, so that piston nothing friction when upwards (or downward) moves and between casing wall；On the other hand spherosome pressure-bearing device is used, because the power suffered by spherosome any point is all transmitted by the center of circle, thereby ensure that force centering when counterweight loads, make testing result more accurate, pass through the present invention, with the stability of calibrating pressure sensor and accuracy, can calibrate the pressure transducer of great force value simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is that the A-A of the embodiment of the present invention 1 is to sectional view；
Fig. 3 is that the B-B of the embodiment of the present invention 1 is to sectional view.
Wherein, the least cylinder plug device 11. little cylinder body 12. valve piston 121. valve piston oil inlet passage 122. valve piston penetrates the micropore 13. high pressure oil film 14. spherosome pressure-bearing device 2. vat plug device 21. big cylinder body 22. big piston of big piston 221. Radix Angelicae Dahuricae (Radix Heraclei Scabridi) plug oil inlet passage 222. and penetrates micropore 23. high pressure oil film 3. communicating pipe 41. fuel tank 42. oil pipe 421. inlet non return check valve.
Detailed description of the invention
Describe the preferred embodiment of the present invention below in conjunction with the accompanying drawings in detail.
Embodiment 1
See Fig. 1, Fig. 2 and Fig. 3, as shown in legend therein: a kind of big amplification ratio thrust device, including cylinder plug system and a hydraulic control system, described cylinder plug system includes little cylinder plug device 1, vat plug device 2 and an a connecting pipe 3；Described hydraulic control system includes fuel tank 41 and an oil pipe 42；Described little cylinder plug device 1 includes little cylinder body 11, valve piston 12 and a high pressure oil film 13；Described little cylinder body 11 is inverted suspension and is matched with described valve piston 12 top；Described valve piston 12 is provided with the valve piston oil inlet passage 121 leading to valve piston 12 top vertically；Described valve piston 12 is the most radially provided with and leads to 16 valve pistons of valve piston 12 sidewall and penetrate micropore 122；Described valve piston penetrates micropore 122 and connects described valve piston oil inlet passage 121；Described high pressure oil film 13 is formed at described valve piston and penetrates between micropore 122 and little cylinder body 11；Described vat plug device 2 includes the big big piston of cylinder body 21, one 22 and a high pressure oil film 23；Described big cylinder body 21 is inverted suspension and is matched with described big piston 22 top；Described big piston 22 is provided with the Radix Angelicae Dahuricae (Radix Heraclei Scabridi) plug oil inlet passage 221 leading to big piston 22 top vertically；Described big piston 22 is the most radially provided with and leads to 16 big pistons of big piston 22 sidewall and penetrate micropore 222；Described big piston penetrates micropore 222 and connects described Radix Angelicae Dahuricae (Radix Heraclei Scabridi) plug oil inlet passage 221；Described high pressure oil film 23 is formed at described big piston and penetrates between micropore 222 and big cylinder body 21；Connect the oil inlet passage 121 of described valve piston and the oil inlet passage 221 of big piston described communicating pipe 3；Described fuel tank 41 connects described communicating pipe 3 by described oil pipe 42.
Described oil pipe 42 is provided with an inlet non return check valve 421.
Described big piston 22 apex area is 1:200 relative to the ratio of described valve piston 12 apex area.
Described little cylinder body 11 top is provided with a spherosome pressure-bearing device 14 of carrying counterweight.
The weight sum of described little cylinder body 11 and spherosome pressure-bearing device 14 is equal to the weight of described big cylinder body 21.
Described valve piston penetrate micropore 122 radially with axial uniform arrangement.
Described big piston penetrate micropore 222 radially with axial uniform arrangement.
The work process of the present invention is described below.
In theory, one counterweight is positioned on spherosome pressure-bearing device 14, liquid pressure suffered by little cylinder body 11 and big cylinder body 21 is identical, and the area between them becomes the magnification ratio of certain multiple, pressure between the biggest cylinder pressure and counterweight also becomes the magnification ratio of described multiple, now automatically the hydraulic oil in fuel tank 41 was passed through in communicating pipe 3 by oil pipe 42, owing to have employed inlet non return check valve, ensure that hydraulic oil will not reflux, pressure transducer to be detected is positioned over above big cylinder body 22, pressure transducer can show an actual measured value, and the theoretical value of pressure transducer should be described big cylinder pressure, the actual value of sensor is contrasted with theoretical value, i.e. can get the precision of pressure transducer.
On the other hand, load different counterweights by using, the pressure transducer actual value comparing theoretical value with obtaining, so that it is determined that the stability of the pressure transducer detected.
Embodiment 2
Remaining is identical with described embodiment 1, and difference is, described valve piston oil inlet passage and Radix Angelicae Dahuricae (Radix Heraclei Scabridi) plug oil inlet passage all include uniform three oil inlet passage.
Embodiment 3
Remaining is identical with described embodiment 1, and difference is, described valve piston oil inlet passage includes that uniform three oil inlet passage, described Radix Angelicae Dahuricae (Radix Heraclei Scabridi) plug oil inlet passage include uniform four oil inlet passage.
Embodiment 4
Remaining is identical with described embodiment 1, and difference is, described valve piston penetrates micropore and big piston penetrates the aperture of micropore equal to 1.5 millimeters.
Embodiment 5
Remaining is identical with described embodiment 2, and difference is, described valve piston penetrates micropore and big piston penetrates the aperture of micropore equal to 2 millimeters.
Above technical scheme is used to provide the benefit that: owing to being provided with oil inlet passage on piston and penetrating micropore, can around cylinder body formation high pressure equipressure oil film, form axial compressive force in piston one end simultaneously, cylinder inner carrier is made to be completely disposed among the encirclement of fluid media (medium), i.e. piston and cylinder body is intercepted by high pressure oil film completely, so that piston nothing friction when upwards (or downward) moves and between casing wall；On the other hand spherosome pressure-bearing device is used, because the power suffered by spherosome any point is all transmitted by the center of circle, thereby ensure that force centering when counterweight loads, make testing result more accurate, pass through the present invention, with the stability of calibrating pressure sensor and accuracy, can calibrate the pressure transducer of great force value simultaneously.
Above-described is only the preferred embodiment of the present invention, it is noted that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into protection scope of the present invention.
Claims (5)
1. a big amplification ratio thrust device, including cylinder plug system and hydraulic control system, described
Cylinder plug system includes vat plug device, little cylinder plug device and communicating pipe；Described hydraulic control system
System includes hydraulic power source and oil circuit；Described vat plug device and little cylinder plug device all include cylinder body, work
Plug and high pressure oil film, it is characterised in that described cylinder body is inverted suspension and is matched with described piston top
End；Described piston is provided with the oil inlet passage leading to piston tip vertically；Described piston is also along footpath
Lead to the some of piston side wall penetrate micropore to being provided with；Described penetrate oil-feed described in microporous connectivity lead to
Road；Described high pressure oil film penetrates between micropore and cylinder body described in being formed at；Described communicating pipe connects
The oil inlet passage of described vat plug device and the oil inlet passage of little cylinder plug device；Described hydraulic power source leads to
Spend communicating pipe described in described oil communication；
The cylinder body top of described little cylinder plug device is provided with the pressure-bearing device of carrying counterweight, described pressure-bearing
Device is the spherosome being embedded on the cylinder body of described little cylinder plug device, and the cross section of described spherosome is
Polygon.
Big amplification ratio thrust device the most according to claim 1, it is characterised in that described
Oil circuit is provided with inlet non return check valve.
Big amplification ratio thrust device the most according to claim 1, it is characterised in that described
The piston tip area of vat plug device is more than the piston tip area of described little cylinder plug device.
Big amplification ratio thrust device the most according to claim 3, it is characterised in that described
The cylinder body of little cylinder plug device and the weight sum of pressure-bearing device are equal to the cylinder of described vat plug device
The weight of body.
Big amplification ratio thrust device the most according to claim 4, it is characterised in that described
Some penetrate micropore radially with axial uniform arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210309519.9A CN103630294B (en) | 2012-08-28 | 2012-08-28 | A kind of big amplification ratio thrust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210309519.9A CN103630294B (en) | 2012-08-28 | 2012-08-28 | A kind of big amplification ratio thrust device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103630294A CN103630294A (en) | 2014-03-12 |
| CN103630294B true CN103630294B (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210309519.9A Expired - Fee Related CN103630294B (en) | 2012-08-28 | 2012-08-28 | A kind of big amplification ratio thrust device |
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| Country | Link |
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| CN (1) | CN103630294B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017793B (en) * | 2016-07-29 | 2019-08-02 | 昆山市创新科技检测仪器有限公司 | It is a kind of to compare machine and force standard machines accuracy checking method for the accuracy detecting device of force standard machines, force value |
| CN112254847B (en) * | 2020-10-12 | 2022-02-15 | 山东大学 | Optical fiber FP pressure sensor based on hydraulic principle |
| CN117085614B (en) * | 2023-10-16 | 2024-01-09 | 大庆市镁华仪仪表衡器有限公司 | High-precision temperature and pressure transmitting controller |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB744136A (en) * | 1952-08-13 | 1956-02-01 | Pressure Gauges Ltd | Improvements in pressure gauge testing equipment |
| CN101458142A (en) * | 2008-11-13 | 2009-06-17 | 陶泽成 | Dynamometer measurement standard apparatus |
| CN201538670U (en) * | 2009-11-11 | 2010-08-04 | 青岛金华汽车维修检测设备制造有限公司 | Inverted type hydraulic oil way balance lifting machine |
| CN202814639U (en) * | 2012-08-28 | 2013-03-20 | 广东省计量科学研究院 | Large amplification ratio thrust device |
-
2012
- 2012-08-28 CN CN201210309519.9A patent/CN103630294B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB744136A (en) * | 1952-08-13 | 1956-02-01 | Pressure Gauges Ltd | Improvements in pressure gauge testing equipment |
| CN101458142A (en) * | 2008-11-13 | 2009-06-17 | 陶泽成 | Dynamometer measurement standard apparatus |
| CN201538670U (en) * | 2009-11-11 | 2010-08-04 | 青岛金华汽车维修检测设备制造有限公司 | Inverted type hydraulic oil way balance lifting machine |
| CN202814639U (en) * | 2012-08-28 | 2013-03-20 | 广东省计量科学研究院 | Large amplification ratio thrust device |
Non-Patent Citations (1)
| Title |
|---|
| 500tf（5MN）标准测力机的研制;蔡正平等;《计量学报》;19840731;第5卷(第3期);163-170 * |
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| CN103630294A (en) | 2014-03-12 |
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Granted publication date: 20161221 Termination date: 20170828 |