CN106950016A - A kind of device hunted leak for high-pressure oil pipe high pressure - Google Patents
A kind of device hunted leak for high-pressure oil pipe high pressure Download PDFInfo
- Publication number
- CN106950016A CN106950016A CN201710275457.7A CN201710275457A CN106950016A CN 106950016 A CN106950016 A CN 106950016A CN 201710275457 A CN201710275457 A CN 201710275457A CN 106950016 A CN106950016 A CN 106950016A
- Authority
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- China
- Prior art keywords
- oil pipe
- pressure oil
- casing
- case lid
- pressure
- 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.)
- Granted
Links
- 230000008520 organization Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 30
- 230000000740 bleeding effect Effects 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 34
- 238000012544 monitoring process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/222—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for tubes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to a kind of device hunted leak for high-pressure oil pipe high pressure, the device includes workbench, set on the table and the casing of one end open, the case lid for being arranged at the opening of casing and being hinged with casing, the case lid controlling organization and the high-voltage leakage detector structure that is arranged in casing that are connected with case lid, and the high-voltage leakage detector structure is detected to the high-pressure oil pipe in casing.Compared with prior art, the present invention is in the confined space that casing and case lid are surrounded, gas and the vacuum environment formation high pressure differential outside high-pressure oil pipe are detected by the high pressure in high-pressure oil pipe, the real use state of simulated high-pressure oil pipe, detected with the quality to high-pressure oil pipe, testing result is accurately and reliably, and simple to operate quick, and security is good.
Description
Technical field
The invention belongs to high-pressure oil pipe technical field, it is related to a kind of device hunted leak for high-pressure oil pipe high pressure.
Background technology
High-pressure oil pipe is the part of high-pressure oil passage, can bear certain oil pressure and have certain fatigue strength, is protected
The sealing of pipeline is demonstrate,proved, automobile-used high-pressure oil pipe is mainly used in the directly jetting gasoline engine of the diesel engine of high-pressure injection and high-pressure injection,
The oil pressure needed for engine operation process can be born., need to be to height in processing in order to ensure that the normal of high-pressure oil pipe is used
Pressuring oil pipe is hunted leak.At present, the leak detection of high-pressure oil pipe is filled with one mainly using inflation leak detection mode to inside high-pressure oil pipe
Quantitative gas, makes the inside and outside formation pressure differential of high-pressure oil pipe, is easy to judge the quality of high-pressure oil pipe.But, by institute's inflatable body
Pressure it is often relatively low so that the pressure differential inside and outside high-pressure oil pipe is smaller, that is, detects that state and real use state have larger difference
It is different so that the error of testing result is larger, poor reliability.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of detection reliability and easy
In the device that high-pressure oil pipe high pressure is hunted leak that is used for of operation.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of device hunted leak for high-pressure oil pipe high pressure, the device includes workbench, set on the table and one end
The casing of opening, the case lid for being arranged at the opening of casing and being hinged with casing, the case lid controlling organization being connected with case lid
And the high-voltage leakage detector structure in casing is arranged on, the high-voltage leakage detector structure is detected to the high-pressure oil pipe in casing.
The upper end open of described casing, described case lid is located at the upper end of casing and with being adapted at the opening of casing.
Case lid is opened, is easy to high-pressure oil pipe being placed in casing；Case lid is closed, and case lid is closely combined with casing, is easy to pair
High-pressure oil pipe in casing enters horizontal high voltage leak detection.
Described case lid controlling organization includes the case lid cylinder and and case that setting is hinged on the table and with workbench
One end of the connecting rod of piston drive connection in lid cylinder, the connecting rod and case lid is hinged.Piston is flexible in case lid cylinder, passes through
Connecting rod drives case lid to be rotated around the hinged place of case lid and casing, and case lid is opened or closed.
Described high-voltage leakage detector structure includes the locating piece being arranged in casing and the pressure being adapted respectively with locating piece
The locating slot being adapted with high-pressure oil pipe is offered on tight component, inflatable component, described locating piece.It is fixed that high-pressure oil pipe is placed in
In the groove of position, and high-pressure oil pipe is fixed by being held down assembly, be easy to inflatable component to hunt leak the high pressure of high-pressure oil pipe.
It is described hold down assembly including the mobile compact heap for being arranged on above locating piece and being adapted with high-pressure oil pipe and
The compact heap cylinder being connected with compact heap.Piston is flexible in compact heap cylinder, compact heap movement is driven, by compact heap
It is tightly pressed against on high-pressure oil pipe, or compact heap is removed from high-pressure oil pipe.
One end of described high-pressure oil pipe is provided with seal plug.Seal plug can seal one end of high-pressure oil pipe completely
Close, be easy to inflatable component to be inflated the inside of high-pressure oil pipe.
Described inflatable component includes the Intake shaft being adapted with the other end of high-pressure oil pipe and is driven with Intake shaft to connect
The Intake shaft cylinder connect.Piston in Intake shaft cylinder is protruding, drives the end movement of the axial high-pressure oil pipe of air inlet, and will
High pressure detection gas, is filled with high-pressure oil pipe by the end-enclosed of high-pressure oil pipe by Intake shaft afterwards.
Detection gas inflated hole is offered on described Intake shaft.High pressure detection gas in high pressure detection gas reservoir leads to
Cross detection gas inflated hole to enter in Intake shaft, be filled with afterwards in high-pressure oil pipe.
As preferred technical scheme, described detection gas is helium.
Gas detection probe is provided with described casing.Gas detection probe can in real time in monitoring case body detection gas
Content, to judge whether the detection gas of the high pressure in high-pressure oil pipe is leaked in casing.
As preferred technical scheme, described gas detection probe is helium detection probe.
Casing bleeding point and casing inflation inlet are offered on described casing.Air exhauster passes through in casing bleeding point and casing
Portion is connected, and the gas in casing is taken away, makes to keep vacuum state in casing, increases the pressure inside and outside high-pressure oil pipe as far as possible
Power is poor, improves the reliability of testing result；After detection terminates, gas, Zhi Houbian are injected into casing by casing inflation inlet
Case lid can easily be opened and take out high-pressure oil pipe.Wherein, the gas injected by casing inflation inlet into casing is preferably sky
Gas.
As preferred technical scheme, two groups of high-voltage leakage detector structures are arranged with described casing, can be once to two
Individual high-pressure oil pipe enters horizontal high voltage leak detection, is easy to improve detection efficiency.
The present invention by case lid cylinder in practical application, open case lid, afterwards by high pressure of the one end provided with seal plug
Oil pipe is placed in the locating slot on locating piece；Compact heap is moved on high-pressure oil pipe by compact heap cylinder, by high-pressure oil pipe
It is fixed；Intake shaft is set to block the other end of high-pressure oil pipe by Intake shaft cylinder；By casing bleeding point by casing
It is evacuated, while detecting gas by detecting that gas inflated hole is filled with high pressure into Intake shaft and high-pressure oil pipe, keeps afterwards
Certain time, and the detection gas content in monitoring case body in real time, to judge whether high-pressure oil pipe is qualified；After detection terminates, lead to
Casing inflation inlet insufflation gas into casing are crossed, case lid is opened afterwards, Intake shaft and compact heap is removed, taking out high-pressure oil pipe is
Can.
Compared with prior art, the invention has the characteristics that：
1) in the confined space that casing and case lid are surrounded, gas and high-pressure oil pipe are detected by the high pressure in high-pressure oil pipe
Outer vacuum environment formation high pressure differential, the real use state of simulated high-pressure oil pipe is examined with the quality to high-pressure oil pipe
Survey, testing result is accurately and reliably, and simple to operate quick, and security is good；
2) case lid cylinder can realize quick opening and the closing of case lid；It is certain that compact heap cylinder can have compact heap
Thrust, the fixation to high-pressure oil pipe is more firm；Intake shaft cylinder can make Intake shaft tightly block the end of high-pressure oil pipe
Portion, prevents from producing gas leak phenomenon between Intake shaft and high-pressure oil pipe；
3) the detection gas content that gas detection probe can in real time in monitoring case body, to judge whether high-pressure oil pipe leaks
Gas, detection sensitivity is high, and accuracy is good.
Brief description of the drawings
Fig. 1 is main structure diagram of the invention；
Fig. 2 is right side structural representation of the invention；
Fig. 3 is overlooking the structure diagram of the invention；
Description of symbols in figure：
1-casing, 2-case lid, 3-connecting rod, 4-compact heap, 5-case lid cylinder, 6-workbench, 7-locating piece, 8-
Intake shaft, 9-Intake shaft cylinder, 10-compact heap cylinder, 11-seal plug, 12-high-pressure oil pipe, 13-casing bleeding point,
14-casing inflation inlet.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment：
A kind of device hunted leak for high-pressure oil pipe high pressure as shown in Figure 1 to Figure 3, the device includes workbench 6, set
On workbench 6 and the casing 1 of one end open, be arranged at the opening of casing 1 and be hinged with casing 1 case lid 2, with case lid 2
The case lid controlling organization of drive connection and the high-voltage leakage detector structure being arranged in casing 1, the high-voltage leakage detector structure is in casing 1
High-pressure oil pipe 12 detected.
Wherein, the upper end open of casing 1, case lid 2 is located at the upper end of casing 1 and with being adapted at the opening of casing 1.
Case lid controlling organization include the case lid cylinder 5 that is arranged on workbench 6 and is hinged with workbench 6 and with case lid gas
The connecting rod 3 of piston drive connection in cylinder 5, one end of the connecting rod 3 and case lid 2 is hinged.
High-voltage leakage detector structure includes the locating piece 7 being arranged in casing 1 and the compression group being adapted respectively with locating piece 7
The locating slot being adapted with high-pressure oil pipe 12 is offered on part, inflatable component, locating piece 7.Hold down assembly and be arranged on including movement
The top of locating piece 7 and the compact heap 13 being adapted with high-pressure oil pipe 12 and the compact heap cylinder being connected with compact heap 13
10.One end of high-pressure oil pipe 12 is provided with seal plug 11.Inflatable component includes and entering that the other end of high-pressure oil pipe 12 is adapted
Gas axle 8 and the Intake shaft cylinder 9 being connected with Intake shaft 8.Detection gas inflated hole is offered on Intake shaft 8.In casing 1
Provided with gas detection probe.Casing bleeding point 14 and casing inflation inlet 15 are offered on casing 1.
Device by case lid cylinder 5 in practical application, open case lid 2, afterwards by height of the one end provided with seal plug 11
Pressuring oil pipe 12 is placed in the locating slot on locating piece 7；Compact heap 4 is moved on high-pressure oil pipe 12 by compact heap cylinder 10,
High-pressure oil pipe 12 is fixed；Intake shaft 8 is set to block the other end of high-pressure oil pipe 12 by Intake shaft cylinder 9；Pass through case
Body bleeding point 13 will be evacuated in casing 1, while by detecting that gas inflated hole is filled with into Intake shaft 8 and high-pressure oil pipe 12
High pressure detects gas, keeps afterwards certain time, and the detection gas content in monitoring casing 1 in real time, to judge high-pressure oil pipe
Whether 12 is qualified；Detection terminate after, by casing inflation inlet 14 into casing 1 insufflation gas, afterwards open case lid 2, remove into
Gas axle 8 and compact heap 4, take out high-pressure oil pipe 12.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using invention.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without passing through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel are according to the announcement of the present invention, and not departing from improvement and modification that scope made all should be the present invention's
Within protection domain.
Claims (10)
1. a kind of device hunted leak for high-pressure oil pipe high pressure, it is characterised in that the device includes workbench (6), is arranged on work
Make on platform (6) and the casing (1) of one end open, be arranged at the opening of casing (1) and be hinged with casing (1) case lid (2), with
The case lid controlling organization of case lid (2) drive connection and the high-voltage leakage detector structure being arranged in casing (1), the high-voltage leakage detector structure
High-pressure oil pipe (12) in casing (1) is detected.
2. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 1, it is characterised in that described casing
(1) upper end open, described case lid (2) is located at the upper end of casing (1) and with being adapted at the opening of casing (1).
3. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 2, it is characterised in that described case lid
Controlling organization include the case lid cylinder (5) that is arranged on workbench (6) and is hinged with workbench (6) and with case lid cylinder (5)
In piston drive connection connecting rod (3), one end of the connecting rod (3) and case lid (2) is hinged.
4. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 1, it is characterised in that described high pressure
Leakage detecting device include the locating piece (7) being arranged in casing (1) and be adapted respectively with locating piece (7) hold down assembly, fill
The locating slot being adapted with high-pressure oil pipe (12) is offered on pneumatic module, described locating piece (7).
5. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 4, it is characterised in that described compression
Component includes the mobile compact heap (4) and and compact heap for being arranged on and being adapted above locating piece (7) and with high-pressure oil pipe (12)
(4) the compact heap cylinder (10) of drive connection.
6. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 4, it is characterised in that described high pressure
One end of oil pipe (12) is provided with seal plug (11).
7. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 6, it is characterised in that described inflation
Component includes the Intake shaft (8) being adapted with the other end of high-pressure oil pipe (12) and the air inlet being connected with Intake shaft (8)
Axle cylinder (9).
8. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 7, it is characterised in that described air inlet
Detection gas inflated hole is offered on axle (8).
9. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 8, it is characterised in that described casing
(1) gas detection probe is provided with.
10. a kind of device hunted leak for high-pressure oil pipe high pressure according to claim 7, it is characterised in that described case
Casing bleeding point (13) and casing inflation inlet (14) are offered on body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710275457.7A CN106950016B (en) | 2017-04-25 | 2017-04-25 | Device for high-pressure leakage detection of high-pressure oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710275457.7A CN106950016B (en) | 2017-04-25 | 2017-04-25 | Device for high-pressure leakage detection of high-pressure oil pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106950016A true CN106950016A (en) | 2017-07-14 |
| CN106950016B CN106950016B (en) | 2023-11-28 |
Family
ID=59477434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710275457.7A Active CN106950016B (en) | 2017-04-25 | 2017-04-25 | Device for high-pressure leakage detection of high-pressure oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106950016B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443939A (en) * | 2018-09-05 | 2019-03-08 | 南京海王汽车零部件有限公司 | Convenient for high-pressure oil pipe structure for pressure test device |
| CN110116274A (en) * | 2019-06-06 | 2019-08-13 | 上海众源燃油分配器制造有限公司 | A kind of high-pressure oil pipe installation dimension inspection mark linkage |
| CN110823472A (en) * | 2019-10-31 | 2020-02-21 | 江门龙浩智能装备有限公司 | Leak detection device for EGR core body |
| CN116448328A (en) * | 2023-04-17 | 2023-07-18 | 昆山伟理塑汽车部件有限公司 | Vertical air tightness detection device |
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| CN101598624A (en) * | 2009-06-19 | 2009-12-09 | 安东石油技术（集团）有限公司 | A kind of leak hunting method of gases at high pressure efficiently |
| CN101696898A (en) * | 2009-09-29 | 2010-04-21 | 安东石油技术（集团）有限公司 | Leak detection tool for high-pressure blocking-sealing gas injection |
| CN202002780U (en) * | 2011-01-20 | 2011-10-05 | 肇庆市骏驰科技有限公司 | High-pressure sealing test device for connection pipe fittings |
| CN202284979U (en) * | 2011-08-17 | 2012-06-27 | 山东菏泽华星油泵油嘴有限公司 | Intelligent digital readout multi-head fuel spray nozzle matching part diameter sealing test bed |
| CN205064159U (en) * | 2015-08-07 | 2016-03-02 | 北京经纬恒润科技有限公司 | Testing arrangement of high pressure gasoline pump |
| US20160265524A1 (en) * | 2014-01-24 | 2016-09-15 | Nantong Guangxing Pneumatic Equipment Co., Ltd. | High-pressure air pump |
| CN206847871U (en) * | 2017-04-25 | 2018-01-05 | 上海众源燃油分配器制造有限公司 | A kind of device for the leak detection of high-pressure oil pipe high pressure |
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2017
- 2017-04-25 CN CN201710275457.7A patent/CN106950016B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598624A (en) * | 2009-06-19 | 2009-12-09 | 安东石油技术（集团）有限公司 | A kind of leak hunting method of gases at high pressure efficiently |
| CN101696898A (en) * | 2009-09-29 | 2010-04-21 | 安东石油技术（集团）有限公司 | Leak detection tool for high-pressure blocking-sealing gas injection |
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| CN202284979U (en) * | 2011-08-17 | 2012-06-27 | 山东菏泽华星油泵油嘴有限公司 | Intelligent digital readout multi-head fuel spray nozzle matching part diameter sealing test bed |
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| CN206847871U (en) * | 2017-04-25 | 2018-01-05 | 上海众源燃油分配器制造有限公司 | A kind of device for the leak detection of high-pressure oil pipe high pressure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443939A (en) * | 2018-09-05 | 2019-03-08 | 南京海王汽车零部件有限公司 | Convenient for high-pressure oil pipe structure for pressure test device |
| CN109443939B (en) * | 2018-09-05 | 2021-04-20 | 南京海王汽车零部件有限公司 | Pressure test tool device convenient for high-pressure oil pipe |
| CN110116274A (en) * | 2019-06-06 | 2019-08-13 | 上海众源燃油分配器制造有限公司 | A kind of high-pressure oil pipe installation dimension inspection mark linkage |
| CN110823472A (en) * | 2019-10-31 | 2020-02-21 | 江门龙浩智能装备有限公司 | Leak detection device for EGR core body |
| CN116448328A (en) * | 2023-04-17 | 2023-07-18 | 昆山伟理塑汽车部件有限公司 | Vertical air tightness detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106950016B (en) | 2023-11-28 |
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