CN202661238U - Positioning fixture device for single tube hydrostatic test - Google Patents
Positioning fixture device for single tube hydrostatic test Download PDFInfo
- Publication number
- CN202661238U CN202661238U CN 201220288360 CN201220288360U CN202661238U CN 202661238 U CN202661238 U CN 202661238U CN 201220288360 CN201220288360 CN 201220288360 CN 201220288360 U CN201220288360 U CN 201220288360U CN 202661238 U CN202661238 U CN 202661238U
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- Prior art keywords
- single tube
- groove
- positioning jig
- hydraulic testing
- ring
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Abstract
The utility model discloses a positioning fixture device for a single tube hydrostatic test. The positioning fixture device for the single tube hydrostatic test is characterized by comprising a central shaft, the left end of the central shaft is an inserting end where a single tube can be inserted in the process of the test, the right end of the central shaft is an exposed section which is exposed outside the single tube in the processing of the test, and the inside of the central shaft is in a hollow structure; the inserting end fits the inner wall of the outer-edge single tube tightly, an air inlet is arranged in the inserting end, a clamping device is arranged on the central shaft at the right side of the inserting end in sleeved mode, and in the process of the test, the outer edge of the clamping device is in interference fit with the inner wall of the single tube; and an air discharge hole is arranged in the exposed section, and the air inlet is communicated with the air discharge hole through an air discharge channel. The positioning fixture device for the single tube hydrostatic test has the advantages of being simple and compact in structure, large in clamping force, good in sealing property, simple and convenient to operate, high in steel tube testing reliability and efficiency, convenient to maintain and the like.
Description
Technical field
The utility model relates to a kind of positioning jig device for the single tube hydraulic testing, belongs to the equipment Technology field.
Background technology
Pressure vessel element internal diameter is
Steel pipe need carry out the hydraulic testing, steel pipe is in the past before the hydraulic testing, must weld shrouding at steel tube end part, make its sealing, will remove shrouding after the hydraulic testing, it not only can be wasted steel pipe, reduce the mechanical property of steel pipe, and sometimes also need remove stress and process, cause complex procedures, production efficiency is low.For fear of the welding shrouding, guarantee the hydraulic testing of steel pipe not damaged, so need manufacture and design a kind of positioning jig device for the single tube hydraulic testing.
Summary of the invention
The purpose of this utility model provides a kind of for checking that steel pipe is withstand voltage and whether having Seepage, guarantee the technological equipment of steel pipe functional reliability under hydraulic pressure 0Mpa-10Mpa state, can make steel pipe in the hydraulic testing, need not anyly be welded to connect, reduce the damage of steel pipe.
In order to achieve the above object, the utility model provides a kind of positioning jig device for the single tube hydraulic testing, it is characterized in that, comprises mandrel, the two ends, the left and right sides of mandrel are respectively when test and expose the section of exposing outside single tube can insert the insertion end of single tube and test the time, and its inside is hollow structure; Insertion end and the inwall of outer rim single tube between closely cooperate, insertion end is provided with air admission hole, the part overcoat that is positioned at the insertion end right side at mandrel has clamp device, during test, interference fit between the outer rim of clamp device and the inwall of single tube; The section of exposing is provided with vent port, and described air admission hole is communicated with by the exhaust passage with vent port.
Preferably, but described clamp device comprises the addendum cone cover of the rubber seal ring that from left to right is arranged in order, conical ring, elastic conical drogue and move left and right; Middle part at elastic conical drogue has bellmouth, and the tapering point of addendum cone cover is positioned at bellmouth and matches with it.
Further, be provided with the 3rd groove and the 4th groove that even distribution interval splits around the described bellmouth, the opening of the 3rd groove is positioned on the inwall of bellmouth, and the opening of the 4th groove is positioned at the outer rim of elastic conical drogue.
Further, be provided with the first convex ring at described conical ring with respect to the one side of rubber seal ring, rubber seal ring with respect to the one side of conical ring be provided with can with close-fitting the first groove of the first convex ring.
Further, be provided with the second convex ring in described insertion end with respect to the one side of rubber seal ring, rubber seal ring with respect to the one side of insertion end be provided with can with close-fitting the second groove of the second convex ring.
Further, described elastic conical drogue is provided with at least one road groove circle outward.
Further, the side of described addendum cone cover is provided with setscrew nut, when setscrew nut is tightened, promotes described addendum cone cover by it and is moved to the left, so that form interference fit between the inwall of the outer rim of described elastic conical drogue and described single tube.
Preferably, the section of exposing of described mandrel is connected with respectively tensimeter and needle valve.
The utility model has the advantages that:
(1) simple in structure, compact.
(2) large, the good airproof performance of clamping force.
(3) easy and simple to handle, check that steel pipe reliability efficient is high.
(4) be convenient to safeguard.
Description of drawings
A kind of single tube hydraulic testing that Fig. 1 provides for the utility model structural representation of positioning jig device;
Fig. 2 is the structural representation of mandrel;
Fig. 3 is the sectional view of rubber seal ring;
Fig. 4 is the sectional view of conical ring;
Fig. 5 is the front view of elastic conical drogue;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the right view of Fig. 5;
Fig. 8 is the cut-open view of A-A face among Fig. 7.
Among the figure:
1, mandrel; 9, exhaust passage; 65 17, insertion end;
2, rubber seal ring; 10, plug screw; 18, bellmouth;
3, conical ring; 11, tensimeter; 19, the first convex ring;
4, elastic conical drogue; 60 12, threeway; 20, the second convex ring;
5, addendum cone cover; 13, needle valve; 21, the first groove;
6, setscrew nut; 14, pump water swivel; The 70 22, second groove;
7, air admission hole; 15, single tube; 23, the 3rd groove;
8, vent port; 16, groove circle; 24, the 4th groove.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 1, the structural representation of a kind of positioning jig device for the single tube hydraulic testing that provides for the utility model, major part is mandrel 1, and as shown in Figure 2, the inside of mandrel 1 is hollow structure, the left end of mandrel 1 is insertion end 17, the maximum gauge of mandrel 1 can make mandrel 1 insert in the single tube 15 less than the internal diameter of single tube 15 to be measured, and insertion end 17 can closely cooperate with mandrel 1, insertion end 17 is provided with air admission hole 7, and the right side cover of insertion end 17 has clamp device; The right-hand member of mandrel 1 is the section of exposing, and when mandrel 1 inserted single tube 15, the section of exposing of mandrel 1 was exposed to outside the single tube 15, and the section of exposing is provided with vent port 8, and air admission hole 7 is communicated with by exhaust passage 9 with vent port 8.Vent port 8 is installed the plug screw 10 with pad, is used for control exhaust, seal vents 8.Described clamp device comprises rubber seal ring 2, conical ring 3, elastic conical drogue 4 and the addendum cone cover 5 that from left to right is arranged in order, but addendum cone cover 5 move left and right, a bellmouth 18 is arranged in the middle of the elastic conical drogue 4, a setscrew nut 6 has been installed on the right side of addendum cone cover 5, when the hydraulic testing is carried out, screwed in place nut 6, setscrew nut 6 is moved to the left, the left end of addendum cone cover 5 inserts the bottom in the bellmouth 18 immediately, closely cooperates with bellmouth 18.The section of exposing of mandrel 1 is installed respectively a tensimeter 11, needle valve 13 by threeway 12, is used for monitoring, control hydraulic pressure.Needle valve 13 connects water pump by pump water swivel 14.
Shown in Fig. 3,4, be respectively the sectional view of rubber seal ring 2, conical ring 3, the arranged on left and right sides of rubber seal ring 2 has been opened respectively the first groove 21, second groove 22 of twice annulars.The left side of conical ring 3 is provided with the first convex ring 19, the right side of insertion end 17 is provided with the second convex ring 20 among Fig. 1, the first convex ring 19, the second convex ring 20 cooperate with the first groove 21, the second groove 22 respectively, when the hydraulic testing is carried out, rubber seal ring 2 is subject to the extruding of insertion end 17 and conical ring 3, and the outer ring outwards dilates, and external diameter increases, not only play compressing the effect that clips single tube 15, can also seal 15 mouthfuls of single tubes.
Shown in Fig. 5-8, structural representation for elastic conical drogue 4, the centre of elastic conical drogue 4 is provided with bellmouth 18, spaced apart the 3rd groove 23 and the 4th groove 24 evenly distribute around the bellmouth 18, the opening of the 3rd groove 23 is positioned on the inwall of bellmouth 18, and the opening of the 4th groove 24 is positioned at the outer rim of elastic conical drogue 4.Addendum cone cover 5 inserts in the bellmouth 18, when screwed in place nut 6, makes elastic conical drogue 4 and 5 dislocation of addendum cone cover, the bottom that addendum cone cover 5 inserts bellmouth 18, and as shown in Figure 1, elastic conical drogue 4 external diameters expand outwardly, and external diameter increases, and compresses to clip the steel pipe hole.The elastic conical drogue 4 outer nine road groove circles 16 that are provided with when increasing friction force, stop positioning fixture to move axially in single tube 15.
When single tube 15 carries out the hydraulic testing, respectively insert the positioning jig device that a utility model provides at its two ends, screwed in place nut 6, promoting addendum cone cover 5 moves forward, so that form interference fit between the inwall of the outer rim of elastic conical drogue 4 and single tube 15, compression clips single tube 15 ports, then arrive in the single tube 15 by 14 water inlets of pump water swivel, discharge inner air tube, until plug screw 10 is tightened in current exhaust hole 8, open water pump, observe tensimeter 11, treat that hydraulic pressure rises to test pressure, close needle valve 13.The utility model also can be used for the hydraulic testing of the outside steel pipe of pressure vessel, only needs to use a positioning jig device to get final product at the end of steel pipe.
Claims (8)
1. positioning jig device that is used for the single tube hydraulic testing, it is characterized in that, comprise mandrel (1), the two ends, the left and right sides of mandrel (1) are respectively when test and expose the section of exposing outside single tube (15) can insert the insertion end (17) of single tube (15) and test the time, and its inside is hollow structure; Closely cooperate between the inwall of the outer rim of insertion end (17) and single tube (15), insertion end (17) is provided with air admission hole (7), the part overcoat that is positioned at insertion end (17) right side at mandrel (1) has clamp device, during test, interference fit between the inwall of the outer rim of clamp device and single tube (15); The section of exposing is provided with vent port (8), and described air admission hole (7) is communicated with by exhaust passage (9) with vent port (8).
2. a kind of positioning jig device for the single tube hydraulic testing as claimed in claim 1, it is characterized in that, described clamp device comprise the rubber seal ring (2) that from left to right is arranged in order, conical ring (3), elastic conical drogue (4) but and the addendum cone cover (5) of move left and right; Have bellmouth (18) at the middle part of elastic conical drogue (4), the tapering point of addendum cone cover (5) is positioned at bellmouth (18) and matches with it.
3. a kind of positioning jig device for the single tube hydraulic testing as claimed in claim 2, it is characterized in that, be provided with the 3rd groove (23) and the 4th groove (24) that even distribution interval splits around the described bellmouth (18), the opening of the 3rd groove (23) is positioned on the inwall of bellmouth (18), and the opening of the 4th groove (24) is positioned at the outer rim of elastic conical drogue (18).
4. a kind of positioning jig device for the single tube hydraulic testing as claimed in claim 2, it is characterized in that, be provided with the first convex ring (19) at described conical ring (3) with respect to the one side of rubber seal ring (2), rubber seal ring (2) with respect to the one side of conical ring (3) be provided with can with close-fitting the first groove of the first convex ring (19) (21).
5. a kind of positioning jig device for the single tube hydraulic testing as claimed in claim 2, it is characterized in that, be provided with the second convex ring (20) in described insertion end (17) with respect to the one side of rubber seal ring (2), rubber seal ring (2) with respect to the one side of insertion end (17) be provided with can with close-fitting the second groove of the second convex ring (20) (22).
6. a kind of positioning jig device for the single tube hydraulic testing as claimed in claim 2 is characterized in that, the outer at least one road groove circle (16) that is provided with of described elastic conical drogue (4).
7. a kind of positioning jig device for the single tube hydraulic testing as claimed in claim 2, it is characterized in that, the side of described addendum cone cover (5) is provided with setscrew nut (6), when setscrew nut (6) when tightening, promote described addendum cone cover (5) by it and be moved to the left, so that form interference fit between the inwall of the outer rim of described elastic conical drogue (4) and described single tube (15).
8. a kind of positioning jig device for the single tube hydraulic testing as claimed in claim 1 is characterized in that, the section of exposing of described mandrel (1) is connected with respectively tensimeter (11) and needle valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288360 CN202661238U (en) | 2012-06-18 | 2012-06-18 | Positioning fixture device for single tube hydrostatic test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288360 CN202661238U (en) | 2012-06-18 | 2012-06-18 | Positioning fixture device for single tube hydrostatic test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661238U true CN202661238U (en) | 2013-01-09 |
Family
ID=47456138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220288360 Expired - Fee Related CN202661238U (en) | 2012-06-18 | 2012-06-18 | Positioning fixture device for single tube hydrostatic test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661238U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712867A (en) * | 2015-04-02 | 2015-06-17 | 天津理工大学 | Pressure self-adaptation end face seal device for water pressure test of steel pipe |
| CN105258859A (en) * | 2015-11-12 | 2016-01-20 | 江苏绿叶锅炉有限公司 | Inner threaded pipe pump water tool |
| CN105538190A (en) * | 2016-01-21 | 2016-05-04 | 青岛达能环保设备股份有限公司 | Eccentric clasping and internal sealing type fast clamping device |
| CN106312873A (en) * | 2016-11-24 | 2017-01-11 | 中核(天津)科技发展有限公司 | Outer-clamp clamping device for weakly-rigid long cylindrical parts |
| CN109751505A (en) * | 2018-05-09 | 2019-05-14 | 海控复合材料科技有限公司 | Communication apparatus is loaded and detected for the full wound composite gas cylinder production and processing of nonmetallic liner |
-
2012
- 2012-06-18 CN CN 201220288360 patent/CN202661238U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712867A (en) * | 2015-04-02 | 2015-06-17 | 天津理工大学 | Pressure self-adaptation end face seal device for water pressure test of steel pipe |
| CN105258859A (en) * | 2015-11-12 | 2016-01-20 | 江苏绿叶锅炉有限公司 | Inner threaded pipe pump water tool |
| CN105538190A (en) * | 2016-01-21 | 2016-05-04 | 青岛达能环保设备股份有限公司 | Eccentric clasping and internal sealing type fast clamping device |
| CN105538190B (en) * | 2016-01-21 | 2017-03-15 | 青岛达能环保设备股份有限公司 | Eccentric embracing presss from both sides internal enclosed fast fixture |
| CN106312873A (en) * | 2016-11-24 | 2017-01-11 | 中核(天津)科技发展有限公司 | Outer-clamp clamping device for weakly-rigid long cylindrical parts |
| CN106312873B (en) * | 2016-11-24 | 2018-07-13 | 中核(天津)科技发展有限公司 | The outer holder clamping device of the weak long tube kind part of rigidity |
| CN109751505A (en) * | 2018-05-09 | 2019-05-14 | 海控复合材料科技有限公司 | Communication apparatus is loaded and detected for the full wound composite gas cylinder production and processing of nonmetallic liner |
| CN109751505B (en) * | 2018-05-09 | 2023-10-20 | 海控复合材料科技有限公司 | Clamping and detecting communication device for production and processing of nonmetallic liner fully-wound composite material gas cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20180618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |