CN115265906B - A hydraulic automatic locking device and locking method for detecting a union pressure transmitter - Google Patents
A hydraulic automatic locking device and locking method for detecting a union pressure transmitter Download PDFInfo
- Publication number
- CN115265906B CN115265906B CN202110478280.7A CN202110478280A CN115265906B CN 115265906 B CN115265906 B CN 115265906B CN 202110478280 A CN202110478280 A CN 202110478280A CN 115265906 B CN115265906 B CN 115265906B
- Authority
- CN
- China
- Prior art keywords
- pressure
- hydraulic
- stop valve
- pressure transmitter
- union
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
本发明提出一种由壬式压力变送器检测液压式自动锁紧装置，包括：支架，支架中设置有工作压力连接管、压力标准器、压力表、手动液压泵和被检仪表安装座，被检仪表安装座上设置有液压锁紧接口和工作压力接口；工作压力连接管的一端与压力发生装置相连接，另一端与通过多个分支管路分别与被检仪表安装座的工作压力接口和压力标准器相连接；手动液压泵的出口通过液压管路与压力表和被检仪表安装座中的液压锁紧接口相连接。本发明还提出一种由壬式压力变送器检测液压式自动锁紧方法，采用以上所述的由壬式压力变送器检测液压式自动锁紧装置实施。
The present invention proposes a union-type pressure transmitter to detect hydraulic automatic locking device, comprising: a bracket, in which a working pressure connecting pipe, a pressure standard, a pressure gauge, a manual hydraulic pump and a mounting seat for an instrument to be inspected are arranged, and a hydraulic locking interface and a working pressure interface are arranged on the mounting seat for the instrument to be inspected; one end of the working pressure connecting pipe is connected to a pressure generating device, and the other end is connected to the working pressure interface and the pressure standard of the mounting seat for the instrument to be inspected through a plurality of branch pipelines; the outlet of the manual hydraulic pump is connected to the pressure gauge and the hydraulic locking interface in the mounting seat for the instrument to be inspected through a hydraulic pipeline. The present invention also proposes a union-type pressure transmitter to detect hydraulic automatic locking method, which is implemented by using the union-type pressure transmitter to detect hydraulic automatic locking device described above.
Description
Technical Field
The invention belongs to the field of union type pressure transmitter detection devices, and particularly relates to a hydraulic automatic locking device for union type pressure transmitter detection and a locking method thereof.
Background
The union type pressure transmitter is difficult to assemble and disassemble in verification, and the pressure transmitter is locked by rotating the hammering sleeve due to the fact that a customized sleeve tool is required in the verification of the size of the union type pressure transmitter. The stability of the device is affected after long-term striking, and the device is unsafe and inconvenient, so that the union type pressure transmitter detection device with the hydraulic automatic locking device is designed, and the union type pressure transmitter is simplified to install in a hydraulic locking mode.
Disclosure of Invention
In view of the above, it is an object of the present invention to provide a union-type pressure transmitter sensing hydraulic automatic locking device and a locking method thereof for overcoming or at least partially solving or alleviating the above problems.
A union-type pressure transmitter detection hydraulic automatic locking device, comprising:
the device comprises a bracket, a working pressure connecting pipe, a pressure standard device, a pressure gauge, a manual hydraulic pump and a tested instrument mounting seat, wherein the tested instrument mounting seat is provided with a hydraulic locking interface and a working pressure interface;
One end of the working pressure connecting pipe is connected with the pressure generating device, and the other end of the working pressure connecting pipe is connected with the working pressure interface and the pressure standard device of the tested instrument mounting seat through a plurality of branch pipes respectively;
and an outlet of the manual hydraulic pump is connected with the pressure gauge and the hydraulic locking interface in the tested instrument mounting seat through a hydraulic pipeline.
The invention also has the following optional features.
Optionally, the hydraulic pressure control device further comprises a pressure relief valve, and the pressure relief valve is connected with the working pressure connecting pipe.
Optionally, the device further comprises a pressure stabilizing stop valve, one end of the pressure stabilizing stop valve is connected with an outlet of the manual hydraulic pump through a pipeline, and the other end of the pressure stabilizing stop valve is connected with the hydraulic locking interface in the detected instrument mounting seat through a pipeline.
Optionally, the hydraulic control system further comprises a liquid return stop valve, and the liquid return stop valve is connected to a back pressure pipeline of the manual hydraulic pump.
Optionally, the tested meter mount includes:
the detection base is fixed on the support, a first pressure channel is arranged in the middle of the detection base, and the lower end of the first pressure channel is connected with the working pressure interface;
The lower part of the piston seat is provided with a piston rod, the lower end of the piston rod is connected with the upper port of the pressure channel in the detection base through threads, the piston seat is internally provided with a second pressure channel, and the second pressure channel is communicated with the first pressure channel;
The piston cylinder is sleeved on the outer side of the piston seat, the piston cylinder is in sliding sealing fit with the piston rod, a hydraulic locking channel is arranged on the piston cylinder, the outer end of the hydraulic locking channel is connected with the hydraulic locking interface, and the inner end of the hydraulic locking channel is led to the space between the lower side of the piston seat and the inner end of the piston cylinder;
the fixed flange is connected to the upper port of the piston cylinder, and a plurality of L-shaped grooves are circularly symmetrically formed in the inner side wall of the fixed flange;
the periphery of the lower end of the limiting ring is provided with a plurality of clamping edges, and each clamping edge is matched with one L-shaped groove.
Optionally, a belleville spring is arranged between the piston cylinder and the detection base.
Optionally, an annular sealing ring is disposed in the upper port of the second pressure channel in the piston seat.
The invention also provides a method for detecting hydraulic automatic locking of the union type pressure transmitter, which is implemented by adopting the hydraulic automatic locking device for detecting the union type pressure transmitter, and comprises the following steps of:
S001, placing the pressure transmitter into a fixed flange, and then screwing a limiting ring;
s002, opening the pressure stabilizing stop valve and closing the liquid return stop valve;
s003, operating a manual hydraulic pump to press the hydraulic locking interface, so that the tested instrument mounting seat locks the tested pressure transmitter and then closes the pressure stabilizing stop valve;
S004, after verification work of the pressure transmitter is carried out, firstly, opening a pressure relief valve to discharge the working pressure to zero, opening a pressure stabilizing stop valve, and then opening a liquid return stop valve to enable the pressure gauge number to be zero;
S005, opening the limiting ring and taking out the limiting ring and the pressure transmitter.
According to the automatic locking device for the union type pressure transmitter detection hydraulic pressure and the testing method thereof, hydraulic oil is guided into the hydraulic locking interface of the detected instrument mounting seat through the manual hydraulic pump, so that the detected instrument mounting seat carries out hydraulic automatic locking on the pressure transmitter, then the working pressure is guided into the detected instrument mounting seat through the working pressure connecting pipe connected with the working pressure generating device, and pressure is provided for the pressure transmitter and the pressure standard device, so that the pressure transmitter is detected. The union type pressure transmitter detection hydraulic automatic locking device and the testing method thereof do not need to strike the sleeve to lock, the stability of the device is not affected, and the use is safe and convenient.
Drawings
FIG. 1 is a block diagram of an embodiment of a union pressure transmitter sensing hydraulic auto-lock device of the present invention;
FIG. 2 is a schematic view of the full section of the meter mount under test of FIG. 1;
fig. 3 is a top view of the meter mount of fig. 2.
In the figures, a bracket 1, a working pressure connecting pipe 2, a pressure standard 3, a manual hydraulic pump 4, a tested instrument mounting seat 5, a hydraulic locking interface 501, a working pressure interface 502, a detection base 503, a piston seat 504, a piston rod 505, a piston cylinder 506, a 507 fixing flange 508, an L-shaped groove 509, a limit ring 510, a clamping edge 511, a belleville spring 511, an annular seal ring 512, a pressure release valve 6, a pressure stabilizing stop valve 7, a liquid return stop valve 8, a pressure transmitter 9 and a pressure meter 10.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Detailed Description
Example 1
Referring to fig. 1, an embodiment of the invention provides a union type pressure transmitter detection hydraulic automatic locking device, which comprises a bracket 1, wherein a working pressure connecting pipe 2, a pressure standard 3, a pressure gauge 10, a manual hydraulic pump 4 and a detected instrument mounting seat 5 are arranged in the bracket 1, a hydraulic locking interface 501 and a working pressure interface 502 are arranged on the detected instrument mounting seat 5, one end of the working pressure connecting pipe 2 is connected with a pressure generating device, the other end of the working pressure connecting pipe is respectively connected with the working pressure interface 502 and the pressure standard 3 of the detected instrument mounting seat 5 through a plurality of branch pipes, and an outlet of the manual hydraulic pump 4 is connected with the hydraulic locking interface 501 in the pressure gauge 10 and the detected instrument mounting seat 5 through a hydraulic pipeline.
When the pressure transmitter 9 is used, the pressure transmitter 9 is placed in the tested instrument mounting seat 5, then the pressure is pressed to the hydraulic locking interface 501 of the tested instrument mounting seat 5 through the manual hydraulic pump 4, the locking pressure is determined through the pressure gauge 10, then the pressure generating device is led into the pressure standard 3 and the working pressure interface 502 on the tested instrument mounting seat 5 through the working pressure connecting pipe 2, the hydraulic oil with the determined pressure is led in, and whether the pressure transmitter 9 is accurate or not is detected by comparing the pressure detection values of the pressure standard 3 and the pressure transmitter 9.
Example 2
Referring to fig. 1, on the basis of embodiment 1, a relief valve 6 is further included, and the relief valve 6 is connected to the working pressure connection pipe 2.
The pressure relief valve 6 can unload the pressure in the working pressure connecting pipe 2, so that a tester can conveniently fix or take down the pressure transmitter 9 on the tested instrument mounting seat 5.
Example 3
Referring to fig. 1, on the basis of embodiment 1, the hydraulic locking device further comprises a pressure stabilizing stop valve 7, wherein one end of the pressure stabilizing stop valve 7 is connected with the outlet of the manual hydraulic pump 4 through a pipeline, and the other end of the pressure stabilizing stop valve 7 is connected with the hydraulic locking interface 501 in the tested instrument mounting seat 5 through a pipeline.
The pressure stabilizing stop valve 7 can keep the pressure behind the valve within a certain range, other equipment on the pressure pipeline behind the valve can not be damaged, and the pressure stabilizing stop valve 7 plays a role in stopping after being closed.
Example 4
Referring to fig. 1, on the basis of embodiment 1, a liquid return stop valve 8 is further included, and the liquid return stop valve 8 is connected to a back pressure line of the manual hydraulic pump 4.
After the liquid return stop valve 8 is closed, the manual hydraulic pump 4 can provide locking pressure for pumping hydraulic oil into the hydraulic locking interface 501, and when the liquid return stop valve 8 is opened, the hydraulic oil flows back, so that the pressure in the hydraulic locking interface 501 disappears.
Example 5
Referring to fig. 2, on the basis of embodiment 1, the mounting seat 5 of the instrument to be tested comprises a detection base 503, a piston seat 504, a piston cylinder 506, a fixing flange 507 and a limiting ring 509, wherein the detection base 503 is fixed on the support 1, a first pressure channel is arranged in the middle of the detection base 503, the lower end of the first pressure channel is connected with the working pressure interface 502, a piston rod 505 is arranged at the lower part of the piston seat 504, the lower end of the piston rod 505 is connected with the upper port of the pressure channel in the detection base 503 through threads, a second pressure channel is arranged in the piston seat 504 and is communicated with the first pressure channel, the upper end of the piston cylinder 506 is opened, the piston cylinder 506 is sleeved on the outer side of the piston seat 504, the piston cylinder 506 is in sliding sealing fit with the piston rod 505, a hydraulic locking channel is arranged on the piston cylinder 506, the outer end of the hydraulic locking channel is connected with the hydraulic locking interface 501, the inner end of the hydraulic locking channel is led to the upper port of the piston seat 504, a plurality of symmetrical clamping grooves 510 are arranged between the inner end of the piston cylinder 506 and the lower end of the piston cylinder 506, and the plurality of the limiting rings 510 are arranged on the periphery of the flange 510.
Hydraulic oil output by the manual hydraulic pump 4 enters between the piston seat 504 and the inner end of the piston cylinder 506 through the hydraulic locking interface 501 and the hydraulic locking channel, and can push the piston cylinder 506 to move downwards, so that the fixed flange 507 connected to the upper port of the piston cylinder 506 presses the limiting ring 509 downwards, and the pressure transmitter 9 placed on the piston seat 504 is locked hydraulically.
Wherein, the diameter of the pressure transmitter 9 is smaller than the inner diameter of the piston cylinder 506, after the pressure transmitter 9 is placed on the piston seat 504 in the piston cylinder 506, then the limiting ring 509 is placed in the fixed flange 507, when the pressure transmitter is placed downwards, the clamping edge 510 on the limiting ring 509 is placed downwards along the vertical section of the L-shaped groove 508 on the inner wall of the fixed flange 507, then the limiting ring 509 is twisted transversely, so that the clamping edge 510 is clamped into the transverse section of the L-shaped groove 508.
Example 6
Referring to fig. 3, in accordance with any of the above embodiments, a belleville spring 511 is disposed between the piston cylinder 506 and the detection base 503.
The belleville spring 511 is enclosed on the outer side of the piston rod 505 and is fixed between the piston cylinder 506 and the detection base 503, and plays a role in supporting the piston cylinder 506, and meanwhile, the connection between the lower end of the piston rod 505 and the detection base 503 plays a role in pre-tightening.
Example 7
Referring to fig. 1, in the base of embodiment 1, an annular seal 512 is disposed in the upper port of the second pressure channel in the piston seat 504.
The upper port of second pressure channel is provided with the counter bore, is provided with ring seal 512 in the counter bore, and the lower part of pressure transmitter 9 contacts the upper portion of piston seat 504 and is locked by hydraulic pressure after, and the hydraulic oil in the working pressure connecting pipe 2 gets into in second pressure channel and the counter bore and carries out pressure detection to pressure transmitter 9, and ring seal 512 can avoid the hydraulic oil in the second pressure channel to reveal from the counter bore border.
Example 8
Referring to fig. 1, 2 and 3, the implementation of the present invention further provides a union type pressure transmitter detection hydraulic automatic locking method, which is implemented by adopting the union type pressure transmitter detection hydraulic automatic locking device described in any one of the above embodiments, and includes the steps of S001, placing a pressure transmitter 9 in a fixed flange 507, screwing a limiting ring 509, S002, opening a pressure stabilizing stop valve 7, closing a liquid return stop valve 8, S003, operating a manual hydraulic pump 4 to press a hydraulic locking interface 501, locking a pressure transmitter 9 by a detected instrument mounting seat 5, closing the pressure stabilizing stop valve 7, S004, opening the pressure releasing valve 6 to discharge the working pressure to zero, opening the pressure stabilizing stop valve 7, opening the liquid return stop valve 8 to make the number of a pressure gauge 10 to be zero, and S005, opening the limiting ring 509, and taking out the limiting ring 509 and the pressure transmitter 9.
In S001, the pressure transmitter 9 and the limiting ring 509 are put into the piston cylinder 506 and the fixed flange 507 of the mounting seat 5 of the detected instrument according to the mark indication, the clamping edge 510 on the limiting ring 509 is screwed into the transverse section of the L-shaped groove 508 at the inner side of the fixed flange 507, namely, the clamping edge is rotated to the mark point 'off' position and can not rotate any more, in S002, the pressure stabilizing stop valve 7 is opened anticlockwise, the liquid return stop valve 8 is closed clockwise afterwards, in S003, the pressure lever of the manual hydraulic pump 4 is operated to reach the indication of the pressure gauge 10 between 30MPa and 50MPa, the pressure stabilizing stop valve 7 is closed clockwise, the pressure transmitter verification work can be carried out, in S004, the pressure relief valve 6 is opened firstly to discharge the working pressure to zero, then the pressure stabilizing stop valve 7 is opened anticlockwise, the liquid return stop valve 8 is opened to enable the indication of the pressure gauge 10 to be zero, in S005, the anticlockwise rotation of the limiting ring 509 is carried out to the mark point 'on' position, namely, the clamping edge 510 on the limiting ring 509 is screwed into the straight section of the L-shaped groove 508, then the pressure gauge 509 is taken out from the fixed flange 507, the pressure transmitter 506 is taken out, and the verification work is completed.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims. The components and structures not specifically described in this embodiment are well known in the art and are not described in detail herein.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478280.7A CN115265906B (en) | 2021-04-30 | 2021-04-30 | A hydraulic automatic locking device and locking method for detecting a union pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110478280.7A CN115265906B (en) | 2021-04-30 | 2021-04-30 | A hydraulic automatic locking device and locking method for detecting a union pressure transmitter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115265906A CN115265906A (en) | 2022-11-01 |
| CN115265906B true CN115265906B (en) | 2025-03-18 |
Family
ID=83744673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110478280.7A Active CN115265906B (en) | 2021-04-30 | 2021-04-30 | A hydraulic automatic locking device and locking method for detecting a union pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115265906B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235838A (en) * | 2008-02-25 | 2008-08-06 | 西南石油大学 | BOP manual hydraulic control locking device |
| CN202748192U (en) * | 2012-08-03 | 2013-02-20 | 中国机械工业第四建设工程有限公司 | Multi-port pressure gage test stand |
| CN211527709U (en) * | 2020-07-28 | 2020-09-18 | 雅斯科仪器仪表(苏州)有限公司 | Calibration equipment for pressure gauge |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055596U (en) * | 1989-05-03 | 1990-04-04 | 徐州市标准计量技术开发所 | Hand boosting checker for pressure gauge |
| CN201322675Y (en) * | 2008-10-17 | 2009-10-07 | 北京康斯特仪表科技股份有限公司 | Handheld positive and negative liquid pressure checker |
| CN102252805B (en) * | 2011-05-26 | 2013-01-02 | 北京康斯特仪表科技股份有限公司 | Multi-range field full-automatic pressure and electric signal calibrating instrument |
| CN104422559A (en) * | 2013-08-27 | 2015-03-18 | 北京中科泛华测控技术有限公司 | Hydraulic force applying system |
-
2021
- 2021-04-30 CN CN202110478280.7A patent/CN115265906B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235838A (en) * | 2008-02-25 | 2008-08-06 | 西南石油大学 | BOP manual hydraulic control locking device |
| CN202748192U (en) * | 2012-08-03 | 2013-02-20 | 中国机械工业第四建设工程有限公司 | Multi-port pressure gage test stand |
| CN211527709U (en) * | 2020-07-28 | 2020-09-18 | 雅斯科仪器仪表(苏州)有限公司 | Calibration equipment for pressure gauge |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115265906A (en) | 2022-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105806766B (en) | A kind of flexible wall permeameter for surveying body change | |
| CN101349608A (en) | Method and apparatus for detecting pressure vessel air tightness | |
| CN105466831B (en) | A kind of measuring gas permebility device | |
| CN109654377B (en) | A pipeline leak detection device | |
| CN103398830B (en) | A kind of grease chamber's sealing leak hunting method of load ratio bridging switch | |
| CN110207975A (en) | A kind of adjusting of safety valve pressure and package seal checker and method | |
| CN115265906B (en) | A hydraulic automatic locking device and locking method for detecting a union pressure transmitter | |
| CN102297751B (en) | Air tightness detection device for high-pressure opened liquefied petroleum gas cylinder valve | |
| CN202083564U (en) | A small instrument pressure testing device | |
| CN109099297B (en) | Hydrophone mounting base for pipeline noise measurement | |
| CN206488903U (en) | Pressure pipeline weld seam detection means | |
| CN107063879A (en) | Pressure-resistant blasting tester for pipes | |
| CN107807219B (en) | Rock core hydration expansion analyzer | |
| US7216530B2 (en) | Fluid containment element leak detection apparatus and method | |
| CN204514553U (en) | A kind of helium mass spectrometer leak detector detects the large device leaked | |
| CN204882059U (en) | Pipeline under pressure relief valve on -line measuring device | |
| AU2006346991B2 (en) | Flanged valve assembly | |
| CN203069376U (en) | Apparatus used for detecting water engineering performance index of check valve or water supply and drainage pipe | |
| CN207352008U (en) | Infiltration and wetness control testing equipment | |
| CN217006326U (en) | Pressure switch medium resistance testing device | |
| US3557620A (en) | Fluid pressure measuring means | |
| CN107462509B (en) | A gas permeability core clamping system suitable for multi-standard ultra-low permeability cores | |
| CN210953256U (en) | Device for testing sealing performance of heat meter and water meter | |
| CN205333270U (en) | Mould seal detection device | |
| RU2473061C1 (en) | Shutoff separating device for pressure gauges |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |