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 PDF

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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
CN
China
Prior art keywords
oil pipe
pressure
casing
pressure oil
case lid
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.)
Pending
Application number
CN201710275457.7A
Other languages
Chinese (zh)
Inventor
宋晓伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI ZHONGYUAN FUEL RAIL MANUFACTURE CO Ltd
Original Assignee
SHANGHAI ZHONGYUAN FUEL RAIL MANUFACTURE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHANGHAI ZHONGYUAN FUEL RAIL MANUFACTURE CO Ltd filed Critical SHANGHAI ZHONGYUAN FUEL RAIL MANUFACTURE CO Ltd
Priority to CN201710275457.7A priority Critical patent/CN106950016A/en
Publication of CN106950016A publication Critical patent/CN106950016A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20Investigating 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
    • G01M3/22Investigating 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
    • G01M3/222Investigating 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

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

A kind of device hunted leak for high-pressure oil pipe high pressure
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).
CN201710275457.7A 2017-04-25 2017-04-25 A kind of device hunted leak for high-pressure oil pipe high pressure Pending CN106950016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710275457.7A CN106950016A (en) 2017-04-25 2017-04-25 A kind of device hunted leak for high-pressure oil pipe high pressure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710275457.7A CN106950016A (en) 2017-04-25 2017-04-25 A kind of device hunted leak for high-pressure oil pipe high pressure

Publications (1)

Publication Number Publication Date
CN106950016A true CN106950016A (en) 2017-07-14

Family

ID=59477434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710275457.7A Pending CN106950016A (en) 2017-04-25 2017-04-25 A kind of device hunted leak for high-pressure oil pipe high pressure

Country Status (1)

Country Link
CN (1) CN106950016A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
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

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