CN104198132B - End face seal type air pressure compactness detection device for small-diameter detected pipe fittings - Google Patents
End face seal type air pressure compactness detection device for small-diameter detected pipe fittings Download PDFInfo
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- CN104198132B CN104198132B CN201410493220.2A CN201410493220A CN104198132B CN 104198132 B CN104198132 B CN 104198132B CN 201410493220 A CN201410493220 A CN 201410493220A CN 104198132 B CN104198132 B CN 104198132B
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- pipe fitting
- air pressure
- compensating device
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Abstract
The invention provides an end face seal type air pressure compactness detection device for small-diameter detected pipe fittings. The end face seal type air pressure compactness detection device is characterized in that a V-shaped positioning groove is formed in a seal joint, a plurality of detected pipe fittings can be quickly positioned by the aid of the V-shaped positioning groove at one step, a pressure cushion cylinder which is used for relieving instantaneous pressures of air pressures and improving the safety of equipment and can change colors of liquid at cracks of the detected pipe fittings is connected to the rear end of the seal joint, and a cylinder is connected to the rear end of the pressure cushion cylinder. The end face seal type air pressure compactness detection device for the small-diameter detected pipe fittings has the advantages of simple structure, stability, safety and high visual detection accuracy.
Description
Technical field
The present invention relates to pipe fitting testing equipment field is and in particular to a kind of minor diameter tested pipe fitting sealed end face air pressure causes
Close property detection means.
Background technology
The detection of steel pipe compactness is an important detection project of tube quality detection, and traditional internal expansion type plug hydraulic pressure tries
Proved recipe method wastes time and energy, and work efficiency is low, and range estimation effect is poor, and testing result accuracy is not high it is difficult to discovery penetrates tube wall but causes very much
Simultaneously because internal expansion type detects structure defect inherently, inevitably there is check frequency in tube end to close defect；
Most of manufacturers adopt eddy current type flaw detection to replace water pressure test detection at present, but because domestic detection level falls relatively
Afterwards, testing equipment sensitivity is low, and not, the test of eddy current type detection simultaneously equally exists blind area to testing staff's specialized capability, its inspection
Survey result to be difficult to ensure that.
And for example, the application for a patent for invention present invention disclosed of the Authorization Notice No. number of being CN 102735404 A is related to one kind
The test device for air tightness of pipe fitting, including tank it is characterised in that：The top of described tank is provided with machine moving up and down
Frame, the two ends of frame are respectively arranged with transversely movable support, and two supports are respectively arranged with mutually corresponding one group of pipe
End seal nipple, end sealing joint is connected with air pump by trachea.There is certain risk in this invention, estimate accurately simultaneously
Property still has much room for improvement.
Content of the invention
The invention provides structure is simple and stablizes safety, a kind of high minor diameter tested pipe fitting end of range estimation detection accuracy
Face seal formula air pressure compactness detection means.
In order to achieve the above object, the present invention adopts the following technical scheme that：Including tank, it is provided with described tank
It is capable of the elevator platform of the detected pipe fitting of oscilaltion, the bottom of described elevator platform is connected with and drives described elevator platform upper and lower
The lift cylinder of motion, one end of described elevator platform is provided with sealing the seal nipple of detected end socket of pipe fitting, described
Seal nipple tail end be connected with cylinder it is characterised in that：It is provided with described seal nipple making multiple being detected
The V-type locating slot that pipe fitting quickly disposably positions, the rear end of described seal nipple is connected with the instantaneous pressure slowing down air pressure,
Improve device security and can change the pressure buffer cylinder of liquid color at tested pipe fitting crack simultaneously, described pressure buffer cylinder
Rear end is connected with described cylinder.
Preferably the other end of described elevator platform is provided with automatic compensation sealing head as a kind of, described automatic benefit
Repay seal head to include for adapting to tested tubular length, the length compensating device that tested tubular length is maked corrections and setting
In described length compensating device, for the port compensating device that the flatness of the tested pipe fitting mouth of pipe is maked corrections, described length
Degree compensating device center insertion ground socket is provided with for the direction of motion that guides described length compensating device it is ensured that institute
State length compensating device be swift in response and Position location accuracy guiding bearing pin, described guiding bearing pin away from described end
Mouthful compensating device one end be socketed with supporting with described guiding bearing pin, can when described length compensating device works rock-steady structure
Sleeve, the rear end of described sleeve is provided with and fits through to be pressed with the lock clasp of described guiding with described guiding bearing pin
The tightly lock casting die of described sleeve.
It is spring as a kind of preferred, described length compensating device, described spring is spiral coil component spring, and spiral
Spacing is equidistant.
As one kind preferably, described port compensating device includes being arranged on foremost, at tested pipe fitting port contact
Correction flexible glue pad and be arranged on described correction flexible glue pad rear end for described correction flexible glue pad increase intensity
Play the supporting steel plate of compression effect.
As one kind preferably, described correction flexible glue pad home position is dismountable to be provided with sealing tested test tube
The seal plug of part.
It is cone-type spiral stricture of vagina soft balsam part as a kind of preferred, described seal plug.
As a kind of preferred, described seal nipple and described elevator platform detachable connection.
As one kind preferably, the distance of described center to four walls of pressure buffer cylinder is all equal, in described air pressure
The front and back end of cushion dashpot is provided with the jointing for connecting described cylinder and described seal nipple.
Wall thickness as a kind of preferred, described pressure buffer cylinder is 1.5mm ~ 3mm.
As a kind of preferred, in pressure buffer cylinder, it is filled with colored gas.
To sum up, the present invention has advantages below：
The V-type making multiple detected pipe fittings quickly disposably position is provided with seal nipple of the present invention
Locating slot, the rear end of described seal nipple is connected with the instantaneous pressure slowing down air pressure, improves device security and can change simultaneously
The pressure buffer cylinder of liquid color at tested pipe fitting crack, the rear end of described pressure buffer cylinder is connected with described cylinder.V-type is fixed
The design of position groove also can guarantee that pipe fitting discharges according to a graded when detecting multiple pipe fitting simultaneously, pressure buffer cylinder simultaneously
Replace the trachea of prior art, the air pressure entering tested inside pipe fitting when can guarantee that cylinder moment air-blowing is uniform, Er Qieshi
There is buffering, be not to increase it is ensured that the safety of equipment moment, cylinder buffering cylinder can also be to unqualified tested pipe fitting simultaneously
Crack location carries out color instruction, so simply accurately ensure that the accuracy of range estimation detection.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is that the V-type of the embodiment of the present invention positions slot structure schematic diagram；
In figure label is as follows：
1- tank, 2- elevator platform, 3- seal nipple, 4- cylinder, 5-V type locating slot, 6- lift cylinder, 7- pressure buffer
Cylinder, 8- automatic compensation sealing head, 701- jointing, 801- length compensating device, 802- port compensating device, 803- guiding
Bearing pin, 804- sleeve, 805- lock casting die, 8021- correction flexible glue pad, 8022- supporting steel plate, 8023- seal plug.
Specific embodiment
With embodiment, the invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 and 2, the present embodiment includes tank 1, is provided with oscilaltion and is detected pipe fitting in tank 1
Elevator platform 2, the bottom of elevator platform 2 is connected with the lift cylinder 6 driving elevator platform 2 to move up and down, elevator platform 2
One end is provided with sealing the seal nipple 3 of detected end socket of pipe fitting, and the tail end of seal nipple 3 is connected with cylinder 4, and sealing connects
It is provided with the V-type locating slot 5 making multiple detected pipe fittings quickly disposably position, V-type locating slot 5 is arranged on 3
Foremost, the termination of tested pipe fitting is erected at the V word bottom of V-type locating slot 5 to seal nipple 3.The rear end of seal nipple 3 connects
There is the instantaneous pressure slowing down air pressure, improve the pressure buffer that device security can change liquid color at tested pipe fitting crack simultaneously
Cylinder 7, the rear end of pressure buffer cylinder 7 is connected with cylinder 4.
As shown in figure 1, the other end of the present embodiment elevator platform 2 is provided with automatic compensation sealing 8, automatic compensation sealing
8 are included for adapting to tested tubular length, the length compensating device 801 that tested tubular length is maked corrections and being arranged on
Length compensating device 801, for the port compensating device 802 that the flatness of the tested pipe fitting mouth of pipe is maked corrections, length makes corrections
Device 801 center insertion ground socket is provided with for the direction of motion guiding length compensating device 801 it is ensured that length is mended
Equipment 801 be swift in response and Position location accuracy guiding bearing pin 803, guiding bearing pin 803 away from port compensating device
802 one end are socketed with and guide that bearing pin 803 is supporting, can when length compensating device 801 works rock-steady structure sleeve 804,
The rear end of sleeve 804 is provided with and guides bearing pin 803 and fits through and guide the lock that bearing pin 803 locking carrys out clamp sleeve 804
Casting die 805.Length compensating device 801 is spring, and spring is spiral coil component spring, and helix pitch is equidistant.Port is mended
Equipment 802 include being arranged on foremost, with tested pipe fitting port contact at correction flexible glue pad 8021 and be arranged on
Correction flexible glue pad 8021 rear end is used for increasing, to correction flexible glue pad 8021, the supporting steel plate that intensity plays compression effect
8022.The correction dismountable seal plug 8023 being provided with sealing detected pipe fitting of flexible glue pad 8021 home position.
Seal plug 8023 is cone-type spiral stricture of vagina soft balsam part.Seal nipple 3 and elevator platform 2 detachable connection.
As shown in figure 1, the distance of center to four walls of the present embodiment pressure buffer cylinder 7 is all equal, it is a ball
Shape cushion dashpot, thus uniformly can be distributed air pressure, and tested pipe fitting inner wall will not be made to bear too big pressure quickly and make
Become potential danger.It is provided with the jointing for connecting cylinder 4 and seal nipple 3 in the front and back end of pressure buffer cylinder 7
701.The size of two jointings 701 is all identical with interface lines, facilitates installation, will not install mistake because of directionality problem
By mistake, the wall thickness of pressure buffer cylinder 7 is 2.5mm, and such wall thickness will not be too thick, and being amenable to general minor-diameter steel-tube can hold simultaneously again
The limit air pressure being subject to.It is filled with stain, thermocolour agent is the potassium permanganate of superfine powder shape, when cylinder 4 in pressure buffer cylinder 7
Gas high speed is passed through inside pressure buffer cylinder 7, just potassium permanganate can be brought in tested pipe fitting, if there are crack, impalpable powder
The potassium permanganate of last shape can be ejected sub-fraction under the influence of air pressure, and the potassium permanganate being at this moment ejected will be dissolved in Aquatic product
Raw aubergine liquid goes to indicate crack point.
Described above is only explanation of the invention so that those of ordinary skill in the art's can completely implements we
Case, but be not limitation of the present invention, those skilled in the art can be as needed to this reality after reading this specification
Apply example and make the modification not having creative contribution, these are all not creative modifications.But as long as the right in the present invention
All protected by Patent Law in claimed range.
Claims (7)
1. a kind of minor diameter tested pipe fitting sealed end face air pressure compactness detection means, including tank（1）, described tank
（1）Inside it is provided with the elevator platform that can be detected pipe fitting with oscilaltion（2）, described elevator platform（2）Bottom be connected with drive
Move described elevator platform（2）The lift cylinder moving up and down（6）, described elevator platform（2）One end be provided with and can seal quilt
The seal nipple of detection end socket of pipe fitting（3）, described seal nipple（3）Tail end be connected with cylinder（4）It is characterised in that：Institute
The seal nipple stated（3）On be provided with the V-type locating slot that multiple detected pipe fittings can be made quickly disposably to position（5）, institute
The seal nipple stated（3）Rear end be connected with the instantaneous pressure slowing down air pressure, improve device security and can change measured tube simultaneously
The pressure buffer cylinder of liquid color at part crack（7）, described pressure buffer cylinder（7）Rear end be connected with described cylinder（4）；Institute
The elevator platform stated（2）The other end be provided with automatic compensation sealing head（8）, described automatic compensation sealing head（8）Including use
In the tested tubular length of adaptation, the length compensating device that tested tubular length is maked corrections（801）And it is arranged on described length
Degree compensating device（801）, for the port compensating device that the flatness of the tested pipe fitting mouth of pipe is maked corrections（802）, described
Length compensating device（801）Center insertion ground socket is provided with for guiding described length compensating device（801）Motion
Direction is it is ensured that described length compensating device（801）Be swift in response and Position location accuracy guiding bearing pin（803）, described
Guiding bearing pin（803）Away from described port compensating device（802）One end is socketed with and described guiding bearing pin（803）It is supporting,
Can be in described length compensating device（801）The sleeve of rock-steady structure during work（804）, described sleeve（804）Rear end set
It is equipped with and described guiding bearing pin（803）Fit through and described guiding bearing pin（803）Lock and to compress described sleeve（804）'s
Lock casting die（805）；Described seal nipple（3）With described elevator platform（2）Detachable connection；Described pressure buffer cylinder
（7）Center to four walls distance all equal, in described pressure buffer cylinder（7）Front and back end be provided with for connecting
State cylinder（4）With described seal nipple（3）Jointing（701）.
2. a kind of minor diameter according to claim 1 tested pipe fitting sealed end face air pressure compactness detection means, it is special
Levy and be：Described length compensating device（801）For spring, described spring is spiral coil component spring, and helix pitch is etc.
Spacing.
3. a kind of minor diameter according to claim 1 tested pipe fitting sealed end face air pressure compactness detection means, it is special
Levy and be：Described port compensating device（802）Including being arranged on foremost, soft with the correction at tested pipe fitting port contact
Glue gasket（8021）And it is arranged on described correction flexible glue pad（8021）Rear end is used for described correction flexible glue pad
（8021）Increase the supporting steel plate that intensity plays compression effect（8022）.
4. a kind of minor diameter according to claim 3 tested pipe fitting sealed end face air pressure compactness detection means, it is special
Levy and be：Described correction flexible glue pad（8021）Home position is dismountable to be provided with the sealing that can seal detected pipe fitting
Plug（8023）.
5. a kind of minor diameter according to claim 4 tested pipe fitting sealed end face air pressure compactness detection means, it is special
Levy and be：Described seal plug（8023）For cone-type spiral stricture of vagina soft balsam part.
6. a kind of minor diameter according to claim 1 tested pipe fitting sealed end face air pressure compactness detection means, it is special
Levy and be：Described pressure buffer cylinder（7）Wall thickness be 1.5mm ~ 3mm.
7. a kind of minor diameter according to claim 1 tested pipe fitting sealed end face air pressure compactness detection means, it is special
Levy and be：Pressure buffer cylinder（7）Inside it is filled with stain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493220.2A CN104198132B (en) | 2014-09-23 | 2014-09-23 | End face seal type air pressure compactness detection device for small-diameter detected pipe fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493220.2A CN104198132B (en) | 2014-09-23 | 2014-09-23 | End face seal type air pressure compactness detection device for small-diameter detected pipe fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104198132A CN104198132A (en) | 2014-12-10 |
| CN104198132B true CN104198132B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410493220.2A Expired - Fee Related CN104198132B (en) | 2014-09-23 | 2014-09-23 | End face seal type air pressure compactness detection device for small-diameter detected pipe fittings |
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| Country | Link |
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| CN (1) | CN104198132B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088622B (en) * | 2017-11-29 | 2020-05-05 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A inkjet tracer for dam is leaked under water |
| CN109580113B (en) * | 2018-12-29 | 2021-11-26 | 天长缸盖有限公司 | Detection apparatus for whether short-term test cylinder cap seepage is |
| CN109506846B (en) * | 2018-12-29 | 2020-12-15 | 重庆赛格尔汽车配件有限公司 | Bellows leak detection point device |
| CN109765010A (en) * | 2018-12-29 | 2019-05-17 | 天长缸盖有限公司 | A kind of cylinder cap leak-checking apparatus that can accurately search out breakthrough |
| CN112539885B (en) * | 2020-11-20 | 2022-12-20 | 中国能源建设集团华东电力试验研究院有限公司 | Detection system and detection method for precisely positioning leakage direction of condenser titanium pipe |
| CN114700678B (en) * | 2022-03-16 | 2024-07-12 | 青岛西海岸市政工程有限公司 | Urban pipeline welding device with compactness inspection function |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5767390A (en) * | 1996-06-14 | 1998-06-16 | Environmental Fuel Systems, Inc. | System and method for storage system leak detection |
| JP3823167B2 (en) * | 2002-03-26 | 2006-09-20 | 独立行政法人 日本原子力研究開発機構 | Multiple pipe leak detection device and leak detection method |
| CN201413224Y (en) * | 2009-06-16 | 2010-02-24 | 浙江景宁洁净钢管有限公司 | Steel tube seamless checkout gear |
| CN201522405U (en) * | 2009-10-27 | 2010-07-07 | 中冶东北建设有限公司结构制造安装工程公司 | Water pressure tester of steel tube |
| CN202631204U (en) * | 2012-05-29 | 2012-12-26 | 蓬莱金龙不锈钢管材工业有限公司 | Device for inspecting quality of welding line of overlong steel pipe |
| CN102735404A (en) * | 2012-07-17 | 2012-10-17 | 江苏龙源金属科技有限公司 | Air-tightness testing device of pipe piece |
| CN202916143U (en) * | 2012-11-23 | 2013-05-01 | 无锡鑫常钢管有限责任公司 | Anti-distortion device for straight steel pipe hydrostatic test |
| CN203116924U (en) * | 2013-03-27 | 2013-08-07 | 湖州众立不锈钢管有限公司 | Stainless steel water pressure tester |
| CN204085813U (en) * | 2014-09-23 | 2015-01-07 | 安吉恒盛热能机械有限公司 | A kind of minor diameter tested pipe fitting sealed end face air pressure compactness pick-up unit |
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- 2014-09-23 CN CN201410493220.2A patent/CN104198132B/en not_active Expired - Fee Related
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| CN104198132A (en) | 2014-12-10 |
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