CN201434808Y - Internally expanding small-caliber steel pipe water pressure test device - Google Patents
Internally expanding small-caliber steel pipe water pressure test device Download PDFInfo
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- CN201434808Y CN201434808Y CN2009203069997U CN200920306999U CN201434808Y CN 201434808 Y CN201434808 Y CN 201434808Y CN 2009203069997 U CN2009203069997 U CN 2009203069997U CN 200920306999 U CN200920306999 U CN 200920306999U CN 201434808 Y CN201434808 Y CN 201434808Y
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- steel pipe
- high pressure
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- test unit
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Abstract
The utility model discloses an internally expanding small-caliber steel pipe water pressure test device, which comprises a high-pressure water inlet mechanism producing high-pressure water and a sealing plug capable of forming a seal with one end of a steel pipe, wherein the water outlet end of the high-pressure water inlet mechanism is connected with a high-pressure water inlet plug capable of forming a seal with the other end of the steel pipe; and a water inlet passage connecting the inside of the steel pipe and the water outlet end is arranged in the high-pressure water inlet plug; the high-pressure water inlet plug and the sealing plug are provided with a tension mechanism capable of fixing the high-pressure water inlet plug and the sealing plug in the steel pipe. The internally expanding small-caliber steel pipe water pressure test device is simple in structure and convenient in operation, can test finished small-caliber steel pipes of various lengths and solves the problem thatthe prior steel pipe water pressure test device can only test finished steel pipes of a fixed length.
Description
Technical field
The utility model relates to a kind of water test unit, and particularly a kind of internal expansion type small-caliber steel pipe water test unit belongs to field of mechanical technique.
Background technology
The stainless-steel pipe hydraulic testing is the reliable a kind of method of inspection of steel pipe product inspection, and it can check steel pipe whether the defective of penetrability is arranged very intuitively.But existing stainless-steel pipe water test unit can only detect the product inspection of the stainless-steel pipe of fixed length, or the detection of the stainless-steel pipe finished product in the certain-length scope, therefore, adopt that existing stainless-steel pipe water test unit leaks when pressure testing, cumbersome during the test of the steel pipe of different length; Also there is restriction in steel pipe length.
The utility model content
The purpose of this utility model is: a kind of internal expansion type small-caliber steel pipe water test unit is provided, and this device has simple in structure, easy to operate, can detect the characteristics of the small-bore steel pipe finished product of any length.
The technical solution of the utility model: a kind of internal expansion type small-caliber steel pipe water test unit, comprise the high pressure water intake mechanism that produces water under high pressure, it is characterized in that, this water test unit also comprises the plug that seals that can form sealing with steel pipe one end, the water outlet end of described high pressure water intake mechanism is connected with the high pressure water inlet plug that can form sealing with the other end of steel pipe, be provided with the intake tunnel that is communicated with steel duct and water outlet end in the high pressure water inlet plug, at high pressure water inlet plug with seal to be provided with on the plug can make high pressure water inlet plug and seal plug and be fixed on tension mechanism in the steel pipe.
In above-mentioned internal expansion type small-caliber steel pipe water test unit, described tension mechanism comprises the web member that is provided with screw thread, the rubber band that is connected in web member one end and the circular cone piece that rises, on web member, also be provided with set nut, circular cone rises by piece between rubber band and set nut, is provided with and surrounds rise piece and rise at circular cone and its support can be pressed on expanding block on the steel pipe inwall when piece moves axially greatly of circular cone in the circular cone piece periphery of rising.
In aforesaid internal expansion type small-caliber steel pipe water test unit, the web member in the tension mechanism of described high pressure water inlet plug is a connecting pipe, and the through hole of this web member is above-mentioned intake tunnel, and the other end of web member is connected with above-mentioned water outlet end.
In aforesaid internal expansion type small-caliber steel pipe water test unit, the web member in the described tension mechanism that seals plug is a solid hopkinson bar.
In aforesaid internal expansion type small-caliber steel pipe water test unit, described expanding block is cylindric, the expanding block medial surface for above-mentioned circular cone coniform that piece adapts of rising, several expansion pieces of this expanding block form a circle, and prick rubber band at the outer snare of expanding block.
In aforesaid internal expansion type small-caliber steel pipe water test unit, the described annular groove that on expanding block, is provided with, above-mentioned rubber band is arranged in the groove.
In aforesaid internal expansion type small-caliber steel pipe water test unit, described expansion outside surface is provided with decorative pattern.
In aforesaid internal expansion type small-caliber steel pipe water test unit, described decorative pattern is the fine thread tooth.
Compared with prior art, this internal expansion type small-caliber steel pipe water test unit adopts high pressure water inlet plug and seals plug, sealing plug uses separately, not to be fixed on a hydraulic devices, can block the mouth of pipe place at any small-bore steel pipe, high pressure water inlet plug is blocked another mouth of pipe, no matter be the length of steel pipe, random chi steel pipe, neat chi steel pipe hydrostatic testing can both be suitable for, and the scope of application is extensive; This internal expansion type small-caliber steel pipe water test unit is simple to operation, and test speed is fast, effect is high; Decorative pattern is set on expanding block, improved high pressure water inlet plug and sealed the fastness on the steel pipe of being fixed on of plug.Device structure is simple, and cost of manufacture is little, need not too many investment.
Description of drawings
Fig. 1 is the structural representation of this internal expansion type small-caliber steel pipe water test unit.
Fig. 2 is the rise structural representation of piece of circular cone in this device.
Fig. 3 is the sectional structure synoptic diagram of expanding block in this device.
Fig. 4 is the structural representation of the side-looking spreading of expanding block in this device.
Among the figure, high pressure water intake mechanism 1; Water outlet end 11; Steel pipe 2; Seal plug 3; High pressure water inlet plug 4; Web member 5; Intake tunnel 6; Rubber band 7; The circular cone piece 8 that rises; Set nut 9; Expanding block 10; Groove 12; Decorative pattern 13; Expansion piece 14; Rubber band 15; Handle 16.
Embodiment
Embodiment:
As shown in Figure 1, this internal expansion type small-caliber steel pipe water test unit, comprise the high pressure water intake mechanism 1 that produces water under high pressure, this high pressure water intake mechanism 1 is for producing the mechanism of different hydraulic pressure and output, can on market, buy, generally on this high pressure water intake mechanism 1, tensimeter is set, adjusts the different water under high pressure of output of high pressure water intake mechanism 1 as required.This water test unit also comprises and can seal plug 3 with steel pipe 2 one ends form sealing, the water outlet end 11 of high pressure water intake mechanism 1 is connected with the high pressure water inlet plug 4 that can form sealing with the other end of steel pipe 2, be provided with the intake tunnel 6 that is communicated with the inner and water outlet end 11 of steel pipe 2 in the high pressure water inlet plug 4, at high pressure water inlet plug 4 with seal to be provided with on the plug 3 and can make high pressure water inlet plug 4 and seal plug 3 and be fixed on tension mechanism in the steel pipe 2.
High pressure water inlet plug 4 is movable, seal plug 3 separation and be independent of high pressure water intake mechanism 1, high pressure water inlet plug 4 and seal plug 3 and the two ends of steel pipe 2 are blocked by tension mechanism, owing to be provided with intake tunnel 6 in the high pressure water inlet plug 4, water under high pressure enters into steel pipe 2 inside, and whether test steel pipe 2 qualified.
The tension mechanism of high pressure water inlet plug 4 comprises the web member 5 that is provided with screw thread, the rubber band 7 that is connected in web member 5 one ends and the circular cone piece 8 that rises; Web member 5 is a connecting pipe, and the through hole of this web member 5 is intake tunnel 6, and the other end of web member 5 is connected with water outlet end 11.The diameter of the diameter of rubber band 7 and the steel pipe of test 2 adapts, the internal diameter that generally is slightly larger than steel pipe 2 is 3～4mm, on web member 5, also be provided with set nut 9, circular cone rises by piece 8 between rubber band 7 and set nut 9, is provided with and surrounds rise piece 8 and rise at circular cone and its support can be pressed on expanding block 10 on steel pipe 2 inwalls when piece 8 moves axially greatly of circular cone in circular cone piece 8 peripheries of rising.The rise tapering of piece 8 of circular cone is 30 °, as shown in Figure 2.
The tension mechanism that seals plug 3 comprises the web member 5 that is provided with screw thread, the rubber band 7 that is connected in web member 5 one ends and the circular cone piece 8 that rises; Web member 5 is a solid hopkinson bar, and the other end of web member 5 is connected with handle 16.The diameter of the diameter of rubber band 7 and the steel pipe of test 2 adapts, the internal diameter that generally is slightly larger than steel pipe 2 is 3～4mm, on web member 5, also be provided with set nut 9, circular cone rises by piece 8 between rubber band 7 and set nut 9, is provided with and surrounds rise piece 8 and rise at circular cone and its support can be pressed on expanding block 10 on steel pipe 2 inwalls when piece 8 moves axially greatly of circular cone in circular cone piece 8 peripheries of rising.The rise tapering of piece 8 of circular cone is 30 °.
As shown in Figure 3, Figure 4, expanding block 10 is cylindric, expanding block 10 medial surfaces for above-mentioned circular cone coniform that piece 8 adapts of rising, 10 3 expansion pieces 14 of this expanding block form a circle, and prick rubber band 15 at the outer snare of expanding block 10.Be provided with annular groove 12 on expanding block 10, rubber band is arranged in the groove 12.The expansion outside surface is provided with decorative pattern 13, and decorative pattern 13 is the fine thread tooth.
This internal expansion type small-caliber steel pipe 2 water test unit operation stepss are: treating that hydraulic testing steel pipe 2 one ends block with sealing plug 3, and an end water filling, whole Zhi Gangguan 2 piles water; After steel pipe 2 is piled water, hold high pressure water inlet plug 4 rubber band 7 and expanding block 10 are tucked in the steel pipe 2 rotation lock nut 9, screw, the circular cone piece 8 that rises pulled outward, this moment expanding block 10 spreadings, be close to steel pipe 2 inwalls, spreading after the power that rubber band 7 is also pulled outward is close to steel pipe 2 inwalls.Because the expansion outside surface is provided with decorative pattern, expanding block 10 is more firm with being connected of steel pipe 2 inwalls.Seal plug 3 and operate too steel pipe 2 mouths of pipe are blocked, inject water under high pressure, make steel pipe 2 internal pressures reach the test standard value; Maintain pressure by the hydraulic pressure standard, reach release after the dwell time.Hold high pressure water inlet plug 4, return the jack panel 9 that uncages, slightly firmly disclose, extract completing steps again toward in.Steel pipe 2 is put on one side, again next test.
Claims (8)
1. internal expansion type small-caliber steel pipe water test unit, comprise the high pressure water intake mechanism (1) that can produce water under high pressure, it is characterized in that, this water test unit also comprises and can seal plug (3) with steel pipe (2) one ends form sealing, the water outlet end (11) of described high pressure water intake mechanism (1) is connected with the high pressure water inlet plug (4) that can form sealing with the other end of steel pipe (2), be provided with the intake tunnel (6) that is communicated with the inner and water outlet end (11) of steel pipe (2) in the high pressure water inlet plug (4), at high pressure water inlet plug (4) with seal to be respectively equipped with on the plug (3) and can make intake plug (4) and seal plug (3) and be fixed on tension mechanism in the steel pipe (2) of high pressure.
2. internal expansion type small-caliber steel pipe water test unit according to claim 1, it is characterized in that, described tension mechanism comprises the web member (5) that is provided with screw thread, the rubber band (7) that is connected in web member (5) one ends and the circular cone piece (8) that rises, on web member (5), also be provided with set nut (9), the circular cone piece (8) that rises is positioned between rubber band (7) and the set nut (9), is provided with and surrounds rise piece (8) and its support can be pressed on expanding block (10) on steel pipe (2) inwall when moving axially greatly at the circular cone piece (8) that rises of circular cone in circular cone piece (8) periphery of rising.
3. internal expansion type small-caliber steel pipe water test unit according to claim 2, it is characterized in that, web member (5) in the tension mechanism of described high pressure water inlet plug (4) is a connecting pipe, the through hole of this web member (5) is above-mentioned intake tunnel (6), and the other end of web member (5) is connected with above-mentioned water outlet end (11).
4. internal expansion type small-caliber steel pipe water test unit according to claim 2 is characterized in that, the web member (5) in the described tension mechanism that seals plug (3) is a solid hopkinson bar.
5. according to claim 2 or 3 or 4 described internal expansion type small-caliber steel pipe water test units, it is characterized in that, described expanding block (10) is cylindric, expanding block (10) medial surface for above-mentioned circular cone coniform that piece (8) adapts of rising, several expansion pieces of this expanding block (10) (14) form a circle, and prick rubber band (15) at the outer snare of expanding block (10).
6. internal expansion type small-caliber steel pipe water test unit according to claim 5 is characterized in that, the described annular groove (12) that on expanding block (10), is provided with, and above-mentioned rubber band (15) is arranged in the groove (12).
7. internal expansion type small-caliber steel pipe water test unit according to claim 6 is characterized in that described expansion outside surface is provided with decorative pattern (13).
8. internal expansion type small-caliber steel pipe water test unit according to claim 7 is characterized in that described decorative pattern (13) is the fine thread tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203069997U CN201434808Y (en) | 2009-07-28 | 2009-07-28 | Internally expanding small-caliber steel pipe water pressure test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203069997U CN201434808Y (en) | 2009-07-28 | 2009-07-28 | Internally expanding small-caliber steel pipe water pressure test device |
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| CN201434808Y true CN201434808Y (en) | 2010-03-31 |
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| CN2009203069997U Expired - Fee Related CN201434808Y (en) | 2009-07-28 | 2009-07-28 | Internally expanding small-caliber steel pipe water pressure test device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886965A (en) * | 2010-06-07 | 2010-11-17 | 中国石油化工股份有限公司 | Tubing head lateral wing pressure test tool |
| CN102393280A (en) * | 2011-09-26 | 2012-03-28 | 张家港化工机械股份有限公司 | Deep hole welding pressure test tool |
| CN102607956A (en) * | 2012-03-04 | 2012-07-25 | 茂名重力石化机械制造有限公司 | Self-tightening sealing pressure test tool for high-pressure steel tube |
| CN103364146A (en) * | 2013-07-31 | 2013-10-23 | 神华集团有限责任公司 | Leakage detection device and method of cooler |
| CN103558087A (en) * | 2013-10-18 | 2014-02-05 | 常州大学 | Tube wall plane indentation residual thickness bulging device and method for tube mechanical property test |
| CN104034484A (en) * | 2014-06-18 | 2014-09-10 | 贵州红阳机械(集团)公司 | Corrugated hose detection device |
| CN104634521A (en) * | 2013-11-07 | 2015-05-20 | 氟络塞尔特种阀门(苏州)有限公司 | Small-range hydrostatic precise manual control testing machine |
| CN104655368A (en) * | 2015-02-25 | 2015-05-27 | 托普工业(江苏)有限公司 | Novel pressure test device for furnace tubes |
| CN110441158A (en) * | 2019-08-19 | 2019-11-12 | 江苏龙净节能科技有限公司 | A kind of coiled pipe heat exchange module hydraulic test method |
-
2009
- 2009-07-28 CN CN2009203069997U patent/CN201434808Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886965B (en) * | 2010-06-07 | 2014-05-14 | 中国石油化工股份有限公司 | Tubing head lateral wing pressure test tool |
| CN101886965A (en) * | 2010-06-07 | 2010-11-17 | 中国石油化工股份有限公司 | Tubing head lateral wing pressure test tool |
| CN102393280A (en) * | 2011-09-26 | 2012-03-28 | 张家港化工机械股份有限公司 | Deep hole welding pressure test tool |
| CN102607956A (en) * | 2012-03-04 | 2012-07-25 | 茂名重力石化机械制造有限公司 | Self-tightening sealing pressure test tool for high-pressure steel tube |
| CN102607956B (en) * | 2012-03-04 | 2014-07-02 | 茂名重力石化机械制造有限公司 | Self-tightening sealing pressure test tool for high-pressure steel tube |
| CN103364146A (en) * | 2013-07-31 | 2013-10-23 | 神华集团有限责任公司 | Leakage detection device and method of cooler |
| CN103558087A (en) * | 2013-10-18 | 2014-02-05 | 常州大学 | Tube wall plane indentation residual thickness bulging device and method for tube mechanical property test |
| CN103558087B (en) * | 2013-10-18 | 2015-07-22 | 常州大学 | Tube wall plane indentation residual thickness bulging device and method for tube mechanical property test |
| CN104634521A (en) * | 2013-11-07 | 2015-05-20 | 氟络塞尔特种阀门(苏州)有限公司 | Small-range hydrostatic precise manual control testing machine |
| CN104034484A (en) * | 2014-06-18 | 2014-09-10 | 贵州红阳机械(集团)公司 | Corrugated hose detection device |
| CN104655368A (en) * | 2015-02-25 | 2015-05-27 | 托普工业(江苏)有限公司 | Novel pressure test device for furnace tubes |
| CN110441158A (en) * | 2019-08-19 | 2019-11-12 | 江苏龙净节能科技有限公司 | A kind of coiled pipe heat exchange module hydraulic test method |
| CN110441158B (en) * | 2019-08-19 | 2022-04-05 | 江苏龙净节能科技有限公司 | Water pressure test method for coiled tube heat exchange module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG ZHONGLI STAINLESS STEEL PIPE CO., LTD. Free format text: FORMER NAME: HUZHOU ZHONGLI STAINLESS STEEL PIPES INDUSTRY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Huanglong Dou Cun salt on the north side of the road 313012 Zhejiang city of Huzhou province Shuanglin town of Nanxun District Patentee after: Zhejiang Zhongli Stainless Steel Pipe Co., Ltd. Address before: Huanglong Dou Cun salt on the north side of the road 313012 Zhejiang city of Huzhou province Shuanglin town of Nanxun District Patentee before: Huzhou Zhongli Stainless Steel Pipes Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20170728 |