CN104198132A - 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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- CN104198132A CN104198132A CN201410493220.2A CN201410493220A CN104198132A CN 104198132 A CN104198132 A CN 104198132A CN 201410493220 A CN201410493220 A CN 201410493220A CN 104198132 A CN104198132 A CN 104198132A
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- pipe fitting
- air pressure
- compensating device
- tested pipe
- pick
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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 checkout equipment field, be specifically related to the tested pipe fitting sealed end face of a kind of minor diameter air pressure compactness pick-up unit.
Background technology
It is the important test item that tube quality detects that steel pipe compactness detects, traditional internal expansion type plug hydraulic test method is wasted time and energy, work efficiency is low, range estimation weak effect, testing result accuracy is not high, be difficult to find to penetrate tube wall but very fine and close defect simultaneously due to the intrinsic defect of internal expansion type detection architecture itself, inevitably there is detection blind area in tube end; Most manufacturer adopts eddy current type flaw detection to replace the hydraulic testing to detect, but because domestic detection level is relatively backward, checkout equipment sensitivity is low, and testing staff's specialized capability is inadequate, eddy current type detects to test and exists equally blind area, its testing result to be difficult to guarantee simultaneously.
And for example, Granted publication number is the disclosed test device for air tightness that the present invention relates to a kind of pipe fitting of application for a patent for invention of number CN 102735404 A, comprise tank, it is characterized in that: the top of described tank is provided with frame moving up and down, the two ends of frame are respectively arranged with transversely movable support, the one group of end sealing joint that is respectively arranged with mutual correspondence on two supports, end sealing joint is connected with air pump by tracheae.There is certain risk in this invention, estimates accuracy simultaneously and appoint so and have much room for improvement.
Summary of the invention
The invention provides simple in structure and stability and safety, the high tested pipe fitting sealed end face of a kind of minor diameter air pressure compactness pick-up unit of range estimation detection accuracy.
In order to achieve the above object, the present invention adopts following technical scheme: comprise tank, in described tank, be provided with can oscilaltion the elevator platform of detected pipe fitting, the bottom of described elevator platform is connected with the lift cylinder that drives described elevator platform to move up and down, one end of described elevator platform is provided with the sealing adaptor that can seal detected end socket of pipe fitting, the tail end of described sealing adaptor is connected with cylinder, it is characterized in that: on described sealing adaptor, be provided with and can make a plurality of detected pipe fittings V-type locating slot of disposable location fast, the rear end of described sealing adaptor is connected with the instantaneous pressure that slows down air pressure, improve the pressure buffer cylinder that device security can change place, tested pipe fitting crack liquid color simultaneously, the rear end of described pressure buffer cylinder is connected with described cylinder.
As a kind of preferred, the other end of described elevator platform is provided with automatic compensation sealing head, described automatic compensation sealing head comprises for adapting to tested pipe fitting length, tested pipe fitting length is carried out the length compensating device of revisal and is arranged on described length compensating device, for the port compensating device that the flatness of the tested pipe fitting mouth of pipe is carried out to revisal, described length compensating device center connects ground socket and is provided with the direction of motion for the described length compensating device that leads, guarantee being swift in response and the guiding bearing pin of accurate positioning of described length compensating device, described guiding bearing pin away from described port compensating device one end, be socketed with described guiding bearing pin supporting, can be when the work of described length compensating device the sleeve of rock-steady structure, the rear end of described sleeve is provided with and coordinates with described guiding bearing pin by compressing the lock casting die of described sleeve with described guide finger shaft locking.
As a kind of preferred, described length compensating device is spring, and described spring is spiral coil component spring, and helix pitch is equidistant.
As a kind of preferred, described port compensating device comprises and being arranged on foremost, with the revisal flexible glue pad of tested pipe port contact position and be arranged on described revisal flexible glue pad rear end and be used for gaining in strength and playing the supporting steel plate that compresses effect to described revisal flexible glue pad.
As a kind of preferred, the dismountable seal plug that can seal detected pipe fitting that is provided with of described revisal flexible glue pad home position.
As a kind of preferred, described seal plug is cone-type spiral line soft balsam part.
As a kind of preferred, described sealing adaptor is connected with described elevator platform is detachable.
As a kind of preferred, the center of described pressure buffer cylinder all equates to the distance of wall, in the front and back end of described pressure buffer cylinder, is provided with for connecting the jointing of described cylinder and described sealing adaptor.
As a kind of preferred, the wall thickness of described pressure buffer cylinder is 1.5mm ~ 3mm.
As a kind of preferred, in pressure buffer cylinder, be filled with coloured gas.
To sum up, the present invention has the following advantages:
On sealing adaptor of the present invention, be provided with and can make a plurality of detected pipe fittings V-type locating slot of disposable location fast, the rear end of described sealing adaptor is connected with the instantaneous pressure that slows down air pressure, improve the pressure buffer cylinder that device security can change place, tested pipe fitting crack liquid color simultaneously, the rear end of described pressure buffer cylinder is connected with described cylinder.When detecting a plurality of pipe fitting simultaneously, the design of V-type locating slot also can guarantee that pipe fitting discharges according to a graded, pressure buffer cylinder replaces the tracheae of prior art simultaneously, the air pressure that enters tested inside pipe fitting in the time of guaranteeing cylinder moment air-blowing is uniform, and there is a buffering, not to increase moment, guaranteed the security of equipment, cylinder buffering cylinder can also carry out color indication to defective tested pipe fitting crack location simultaneously, the simple like this accuracy that has guaranteed that accurately range estimation detects.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the V-type locating slot structural representation of the embodiment of the present invention;
Number in the figure is as follows:
1-tank, 2-elevator platform, 3-sealing adaptor, 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-revisal flexible glue pad, 8022-supporting steel plate, 8023-seal plug.
Embodiment
Below in conjunction with accompanying drawing, with embodiment, the invention will be further described.
As shown in Figures 1 and 2, the present embodiment comprises tank 1, in tank 1, be provided with can oscilaltion the elevator platform 2 of detected pipe fitting, the bottom of elevator platform 2 is connected with the lift cylinder 6 that drives elevator platform 2 to move up and down, one end of elevator platform 2 is provided with the sealing adaptor 3 that can seal detected end socket of pipe fitting, the tail end of sealing adaptor 3 is connected with cylinder 4, on sealing adaptor 3, be provided with and can make a plurality of detected pipe fittings V-type locating slot 5 of disposable location fast, V-type locating slot 5 is arranged on sealing adaptor 3 foremost, the termination of tested pipe fitting is erected at the V word bottom of V-type locating slot 5.The rear end of sealing adaptor 3 is connected with the instantaneous pressure that slows down air pressure, improves the pressure buffer cylinder 7 that device security can change place, tested pipe fitting crack liquid color simultaneously, and 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 comprises for adapting to tested pipe fitting length, tested pipe fitting length is carried out the length compensating device 801 of revisal and is arranged on length compensating device 801, for the port compensating device 802 that the flatness of the tested pipe fitting mouth of pipe is carried out to revisal, length compensating device 801 centers connect ground socket and are provided with the direction of motion for the length compensating device 801 that leads, guarantee being swift in response and the guiding bearing pin 803 of accurate positioning of length compensating device 801, guiding bearing pin 803 away from port compensating device 802 one end, be socketed with the bearing pin 803 that leads supporting, can be when length compensating device 801 work the sleeve 804 of rock-steady structure, the rear end of sleeve 804 is provided with and coordinates with the bearing pin 803 that leads by carrying out the lock casting die 805 of clamp sleeve 804 with the locking of guiding bearing pin 803.Length compensating device 801 is spring, and spring is spiral coil component spring, and helix pitch is equidistant.Port compensating device 802 comprises and being arranged on foremost, with the revisal flexible glue pad 8021 of tested pipe port contact position and be arranged on revisal flexible glue pad 8021 rear ends and be used for gaining in strength and playing the supporting steel plate 8022 that compresses effect to revisal flexible glue pad 8021.The dismountable seal plug 8023 that can seal detected pipe fitting that is provided with of revisal flexible glue pad 8021 home positions.Seal plug 8023 is cone-type spiral line soft balsam part.Sealing adaptor 3 is connected with elevator platform 2 is detachable.
As shown in Figure 1, the center of the present embodiment pressure buffer cylinder 7 all equates to the distance of wall, is a spherical cushion dashpot, and the air pressure that so just can distribute uniformly, can not make tested pipe fitting inner wall bear too large pressure quickly and cause potential danger.In the front and back end of pressure buffer cylinder 7, be provided with for connecting the jointing 701 of cylinder 4 and sealing adaptor 3.The size of two jointings 701 and interface lines are all identical, facilitated installation, can be because of directionality problem setup error, the wall thickness of pressure buffer cylinder 7 is 2.5mm, such wall thickness can be too not thick, can stand again the limit air pressure that general minor-diameter steel-tube can bear simultaneously.In pressure buffer cylinder 7, be filled with coloring agent, thermocolour agent is the potassium permanganate of impalpable powder powder, when the gas of cylinder 4 passes at a high speed pressure buffer cylinder 7 inside, just potassium permanganate can be brought in tested pipe fitting, if there is crack, why the potassium permanganate of impalpable powder powder can be sprayed into sub-fraction under the effect of air pressure, and the potassium permanganate being at this moment ejected will remove to indicate crack point by water-soluble generation aubergine liquid.
More than explanation is only explanation of the invention, make those of ordinary skills' can completely implement this programme, but be not limitation of the present invention, those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this instructions, and these are all not creative modifications.But as long as within the scope of claim of the present invention, be all subject to the protection of Patent Law.
Claims (10)
1. the tested pipe fitting sealed end face of a minor diameter air pressure compactness pick-up unit, comprise tank (1), in described tank (1), be provided with can oscilaltion the elevator platform (2) of detected pipe fitting, the bottom of described elevator platform (2) is connected with the lift cylinder (6) that drives described elevator platform (2) to move up and down, one end of described elevator platform (2) is provided with the sealing adaptor (3) that can seal detected end socket of pipe fitting, the tail end of described sealing adaptor (3) is connected with cylinder (4), it is characterized in that: on described sealing adaptor (3), be provided with and can make a plurality of detected pipe fittings V-type locating slot (5) of disposable location fast, the rear end of described sealing adaptor (3) is connected with the instantaneous pressure that slows down air pressure, improve the pressure buffer cylinder (7) that device security can change place, tested pipe fitting crack liquid color simultaneously, the rear end of described pressure buffer cylinder (7) is connected with described cylinder (4).
2. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 1 air pressure compactness pick-up unit, it is characterized in that: the other end of described elevator platform (2) is provided with automatic compensation sealing head (8), described automatic compensation sealing head (8) comprises for adapting to tested pipe fitting length, tested pipe fitting length is carried out the length compensating device (801) of revisal and is arranged on described length compensating device (801), for the port compensating device (802) that the flatness of the tested pipe fitting mouth of pipe is carried out to revisal, described length compensating device (801) center connects ground socket and is provided with the direction of motion for the described length compensating device (801) that leads, guarantee being swift in response and the guiding bearing pin (803) of accurate positioning of described length compensating device (801), described guiding bearing pin (803) away from described port compensating device (802) one end, be socketed with described guiding bearing pin (803) supporting, can be when described length compensating device (801) be worked the sleeve (804) of rock-steady structure, the rear end of described sleeve (804) is provided with and coordinates with described guiding bearing pin (803) by locking with described guiding bearing pin (803) the lock casting die (805) that compresses described sleeve (804).
3. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 2 air pressure compactness pick-up unit, is characterized in that: described length compensating device (801) is spring, and described spring is spiral coil component spring, and helix pitch is equidistant.
4. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 2 air pressure compactness pick-up unit, it is characterized in that: described port compensating device (802) comprises and being arranged on foremost, with the revisal flexible glue pad (8021) of tested pipe port contact position and be arranged on described revisal flexible glue pad (8021) rear end and be used for gaining in strength and playing the supporting steel plate (8022) that compresses effect to described revisal flexible glue pad (8021).
5. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 4 air pressure compactness pick-up unit, is characterized in that: the dismountable seal plug (8023) that can seal detected pipe fitting that is provided with of described revisal flexible glue pad (8021) home position.
6. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 5 air pressure compactness pick-up unit, is characterized in that: described seal plug (8023) is cone-type spiral line soft balsam part.
7. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 1 air pressure compactness pick-up unit, is characterized in that: described sealing adaptor (3) and detachable connection of described elevator platform (2).
8. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 1 air pressure compactness pick-up unit, it is characterized in that: the center of described pressure buffer cylinder (7) all equates to the distance of wall, is provided with for connecting the jointing (701) of described cylinder (4) and described sealing adaptor (3) in the front and back end of described pressure buffer cylinder (7).
9. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 8 air pressure compactness pick-up unit, is characterized in that: the wall thickness of described pressure buffer cylinder (7) is 1.5mm ~ 3mm.
10. the tested pipe fitting sealed end face of a kind of minor diameter according to claim 8 air pressure compactness pick-up unit, is characterized in that: pressure buffer cylinder is filled with coloring agent in (7).
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 |
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| Publication Number | Publication Date |
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| CN104198132A true CN104198132A (en) | 2014-12-10 |
| CN104198132B CN104198132B (en) | 2017-02-15 |
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| 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108088622A (en) * | 2017-11-29 | 2018-05-29 | 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 kind of ink-jet tracer equipment for the underwater leakage detection of dam |
| CN109506846A (en) * | 2018-12-29 | 2019-03-22 | 重庆赛格尔汽车配件有限公司 | Bellows leaks hunting a device |
| CN109580113A (en) * | 2018-12-29 | 2019-04-05 | 天长缸盖有限公司 | A kind of detection device whether quick detection cylinder cap leaks |
| 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 |
| CN112539885A (en) * | 2020-11-20 | 2021-03-23 | 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 |
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| 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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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108088622A (en) * | 2017-11-29 | 2018-05-29 | 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 kind of ink-jet tracer equipment for the underwater leakage detection of dam |
| 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 |
| CN109506846A (en) * | 2018-12-29 | 2019-03-22 | 重庆赛格尔汽车配件有限公司 | Bellows leaks hunting a device |
| CN109580113A (en) * | 2018-12-29 | 2019-04-05 | 天长缸盖有限公司 | A kind of detection device whether quick detection cylinder cap leaks |
| 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 |
| 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 |
| CN112539885A (en) * | 2020-11-20 | 2021-03-23 | 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 |
| 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 |
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