CN207280859U - A kind of full working scope steel-plastics composite pipe pipeline pressure testing device - Google Patents
A kind of full working scope steel-plastics composite pipe pipeline pressure testing device Download PDFInfo
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- CN207280859U CN207280859U CN201721440294.5U CN201721440294U CN207280859U CN 207280859 U CN207280859 U CN 207280859U CN 201721440294 U CN201721440294 U CN 201721440294U CN 207280859 U CN207280859 U CN 207280859U
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Abstract
The utility model discloses a kind of full working scope steel-plastics composite pipe pipeline pressure testing device, it is characterised in that：Including nipple, coupling and keep out component, the nipple includes a closure part being installed in pipeline, it is formed at closure part middle part and the location division of outwardly convex, stretch out in location division centre and pass through the connector portions of coupling, limbers is offered in connector portions, external screw thread is offered on connector portions outer wall, sealing ring is provided with the outer wall of closure part, the coupling includes the cartridge part being plugged in pipeline, it is formed at the sleeve part among cartridge part and being sheathed on the outer wall of location division, be provided with locking member coupling being pressed on nipple on connector portions outer wall, the outer end of coupling is connected with water receiving part, the component of keeping out is arranged on the outer wall of pipeline, the component of keeping out includes an abutment for being arranged at line end, abutment has one to be used to carry out stop blocking part to the cartridge part outer wall of coupling.
Description
Technical field
It the utility model is related to a kind of pressure testing device, more particularly to a kind of full working scope steel-plastics composite pipe pipeline pressure testing device.
Background technology
In the production process of steel-plastics composite pipe (including tubing, pipe fitting etc.), it is necessary to the short-term hydrostatic strength of tube body
Tested with burst strength, to detect the physical mechanical property of tube body and limiting pressure, to adjust steel plastic compount in time
Steel skeleton construction in pipe, makes produced product meet standard requirement.For example, existing Publication No. CN2565012Y shows
Go out《A kind of Special pressure testing device of steel-plastics composite pipe》, the pressure testing device in pressure testing, with experiment hydraulic pressure pressure it is gradual
Increase, when the axial force that lining core is born exceedes the snap-in force between briquetting and pipe outer plastic layer, briquetting can then loosen,
Leakage thus occurs and makes test failure.And the Special pressure testing device due to lining core left end for cylinder, when pressure testing pipe end
Mouthful deformation loses bowlder it is necessary to lining core could be installed after its port full circle, then carries out assembling assembling, very cumbersome, take
When.In addition, the lining core in the structure for pressure test does not have larger mutual be oriented to coordinate with sleeve, since early period pacifies during pressure testing
Dress it is difficult to ensure that lining core is coaxial with tubing, thus pressurize in experiment initial stage lining core left side showing for discontinuity occurs
As causing that eccentric situation appearance occurs between lining core and sleeve, making the sealing surface stress of sealing ring irregular and leak, cause
Pipeline pressure testing fails.
However, field pipes line form have it is a variety of, for example, flanged joint operating mode pipeline, flat sealing operating mode pipeline and taper envelope
Mouth operating mode pipeline, existing pipeline pressure testing device need the structure for pressure test of design specialized to carry out pressure testing for different operating modes, if
Pressure testing operation could be carried out by not having Special pressure testing device to weld a bump joint in pressure testing tube end.Meanwhile existing examination
Pressure device is more troublesome in terms of installation and removal, in addition, if pipeline is not flanged joint form, after the completion of pressure testing, also
The line ports bump joint for needing to connect for pressure testing is cut off.The investment for so adding pipeline adds work again
The workload of people, due also to having to manually block the metal that steel-plastics composite pipe incision position exposes in building site, easily exists
The security risk of pipeline leakage is left at this.
Utility model content
The technical problems to be solved in the utility model is the present situation for the prior art, there is provided a kind of full working scope steel plastic compount
Pipe pipeline pressure testing device, mounts and dismounts easy to pressure testing, line ports portion will not be caused to damage, meanwhile, it is capable to be directed to a variety of
The steel-plastics composite pipe pipeline of operating mode type of attachment realizes pressure testing.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of full working scope steel-plastics composite pipe pipeline
Pressure testing device, it is characterised in that：Including nipple, coupling and component is kept out, the nipple includes one and is installed on pipeline
Interior closure part, be formed in the middle part of closure part and the location division of outwardly convex, stretch out among location division and through external
The connector portions of head, offer limbers in connector portions, external screw thread are offered on connector portions outer wall, is provided with the outer wall of closure part close
Seal, cartridge part that the coupling includes being plugged in pipeline, be formed among cartridge part and be sheathed on the outer wall of location division
Sleeve part, one is provided with connector portions outer wall coupling is pressed in locking member on nipple, the outer end of coupling connects
Water receiving part is connected to, the component of keeping out is arranged on the outer wall of pipeline, and the component of keeping out is arranged at line end including one
Abutment, abutment has one to be used to carry out stop blocking part to the cartridge part outer wall of coupling.
As an improvement, being arranged circumferentially multiple pull ring component on the cartridge part outer wall of the coupling, each pull ring component has
One connecting portion being connected with cartridge part outer wall thread, by setting pull ring component, after the completion of pressure testing device pressure testing dismantled
Cheng Zhong, pull ring component easily can pull out coupling out of pipeline.
Improve again, multiple locating parts have been arranged circumferentially on the cartridge part of the coupling, each locating part includes being fixed on
Fixed part on cartridge part, extend limiting section on fixed part, and limiting section is located on the abutment outer wall.Pipeline is being noted
, it is necessary to which pressure testing device is disassembled after the completion of water pressurize, the pressure testing water in pipeline is discharged out of pipeline, in the process, is held
The amount for easily water outlet in pipeline occur is more than air inflow, and at this time, the pressure testing device positioned at the pipeline other end is easily in interior suction line,
The utility model can solve the problems, such as this well using locating part, when pressure testing device is inhaled into pipeline, in coupling
Locating part can be stopped in line end, so as to prevent pressure testing device to be inhaled into pipeline.
In addition, for the connection operating mode of different pipelines, the component of keeping out can have diversified forms, the first, when running into
During flanged joint pipeline, the component of keeping out includes being sheathed on bushing on pipeline external wall, is arranged at the first of sleeve
Keep out ring, be arranged at the second of line end and keep out ring, first keep out ring and second keep out annular between ring be provided with it is multiple
Connect bolt, described second to keep out ring be the abutment；Second, when running into taper sealing pipeline connection operating mode, pipeline
Formed with tapered portion at port outer wall, for this reason, the component of keeping out includes semicircular first lock sleeve and the second lock sleeve, the
The inner circle of one lock sleeve and the second lock sleeve is the matched cone in taper position with line ports outer wall, the first lock sleeve
With the end of the second lock sleeve formed with lug, between the lug of the first lock sleeve and the lug of the second lock sleeve using bolt into
Row compression, the first lock sleeve and the second lock sleeve are close to line end formed with the cartridge part outer wall periphery with the coupling
Spacing ring, the first lock sleeve and the second lock sleeve are formed with corresponding spacing ring opposite side and are useful on Hook trombone slide spool walls
Hook drawings portion, the spacing ring are the blocking part；The third, when running into flat sealing pipeline operating mode, line ports outer wall is light
Sliding cylindrical wall, for this reason, the component of keeping out includes semicircular first lock sleeve, the second lock sleeve, is arranged at the first locking
The end of the first hangnail part in set, the second hangnail part being arranged in the second lock sleeve, the first lock sleeve and the second lock sleeve
Formed with lug, compressed between the lug of the lug of the first lock sleeve and the second lock sleeve using bolt, the first lock sleeve
With the second lock sleeve close to spacing ring of the line end formed with the cartridge part outer wall periphery with the coupling, spacing ring is institute
Blocking part is stated, the third, when the pipeline for running into flat sealing type of attachment connects operating mode, only work need to be connected in taper sealing pipeline
Accordingly increase the first hangnail part and the second hangnail part in the first lock sleeve and the inner circle of the second lock sleeve used in condition, the
One hangnail part and cylindrical and the first lock sleeve of the second hangnail part and the female cone mates of the second lock sleeve, and the first hangnail
The length of part and the second hangnail part is less than and the first lock sleeve of matching and the inner circle cone length of the second lock sleeve, the first hangnail
Formed on the inner wall of part and the second hangnail part and be useful for the hangnail that Hook draws pipeline external wall.First lock sleeve and the second lock sleeve are close
Spacing ring of the line end formed with the cartridge part outer wall periphery with the coupling, the spacing ring are the blocking part, due to
The cylindrical cone of first hangnail part and the second hangnail part is to be slidably matched with the inner circle cone of the first lock sleeve and the second lock sleeve,
In pressure testing since blocking part stress, the first lock sleeve and the second lock sleeve have the trend slid in and out, with test pressure
Constantly rise, the female cone of the first lock sleeve and the second lock sleeve knows from experience constantly the first hangnail part of extruding and the second hangnail part
Cylindrical cone, makes the hangnail on the first hangnail part and the second hangnail part inner circle be bonded with outer pipe wall tighter, so as to solve
The axial force born in the prior art with test pressure rising lining core exceedes the snap-in force between briquetting and pipe outer plastic layer
When, briquetting loosens, and the problem of leaking and making test failure occurs.
In addition, formed with the tapered portion in an insertion line ports on the inside of the closure part of the nipple.Since steel modeling is multiple
Pipe category non-metal pipe is closed, the tubing that some deformations, especially large-size are inevitably had during transport and stacking becomes
Shape is even more serious.Meanwhile when installing pressure testing device, nipple is difficult to accomplish coaxial with tubing, and the utility model passes through inside
One is formed outside the closure part of connector has the tapered portion of guiding role, on the one hand, when mounted, the tapered portion of nipple is to pipeline
Port has finishing full circle effect, solves due to the problem of line ports deform, cause nipple difficult to install；The opposing party
Face, tapered portion outer wall are close on line ports inner wall, ensure that the concentricity of nipple and line ports.
Compared with prior art, the utility model has the advantage of：Before pipeline pressure testing, set at each port of pipeline
Pressure testing device, sealing ring are sheathed on the closure part of nipple, the closure part insertion pipeline inner wall of nipple, meanwhile, coupling
Cartridge part be also inserted into pipeline inner wall, form positioning and guiding effect in the sleeve part of the location division insertion coupling of nipple, it is interior
The connector portions of connector pass through the sleeve part of coupling, locking member are set in connector portions, coupling is pressed in inscribed by locking member
On head, water receiving part is connected in the outer end of connector portions, after installation is complete, during pressure testing, high pressure water is accessed in water receiving part, in pipeline
High pressure water by the nipple in each line ports outwardly against the cartridge part outer wall of coupling is resisted against keeping out for abutment
On portion, meanwhile, nipple and coupling mutually extrude, and improve the sealing effect of sealing ring, due to supporting for the utility model
Keep off component and nipple, coupling separate design, in this way, for different pipeline operating mode situations, can replace as needed to
Component is kept off, effect is kept out to coupling to realize, afterwards, pressurize is carried out, checks pipeline sealing effect, finally, is filled in pressure testing
Put also more convenient in disassembly process, only need to will keep out component and disassembled from line ports, nipple and coupling are equal afterwards
Can be removed out of pipeline, without in line ports welded flange connector, and after the completion of pressure testing, it is not required that will be pressure testing and
The line ports bump joint of connection is cut off, and reduces the investment of pipeline, reduces the workload of worker, meanwhile, because not
Need to carry out secondary plugging to the port of pressure testing pipeline, it is hidden to solve the safety that leaking occurs in this position after installation is complete in pipeline
Suffer from.
Brief description of the drawings
Fig. 1 is the outline structural diagram that flanged joint operating mode pipeline pressure testing device is directed in the utility model embodiment；
Fig. 2 is the decomposition texture schematic diagram of Fig. 1；
Fig. 3 is the sectional view that flanged joint operating mode pipeline pressure testing device is directed in the utility model embodiment；
Fig. 4 is for the outline structural diagram of flat sealing operating mode pipeline pressure testing device in the utility model embodiment；
Fig. 5 is the decomposition texture schematic diagram of Fig. 4；
Fig. 6 is for the sectional view of flat sealing operating mode pipeline pressure testing device in the utility model embodiment；
Fig. 7 is for the outline structural diagram of taper sealing operating mode pipeline pressure testing device in the utility model embodiment；
Fig. 8 is for the sectional view of taper sealing operating mode pipeline pressure testing device in the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Fig. 1 to Fig. 8 the full working scope steel-plastics composite pipe pipeline pressure testing device in this implementation, including it is nipple 2, external
First 3 and keep out component.
Wherein, nipple 2 includes a closure part 21 being installed in pipeline 1, is formed at the middle part of closure part 21 and outwards
The location division 22 of protrusion, stretch out among location division 22 and pass through the connector portions 23 of coupling 3, is offered in connector portions 23
Limbers, offers external screw thread on 23 outer wall of connector portions, and sealing ring 9 is provided with 21 outer wall of closure part, and coupling 3 includes inserting
In the cartridge part 31 in pipeline 1, it is formed at the centre of cartridge part 31 and the sleeve part 32 being sheathed on 22 outer wall of location division, connector portions
Be provided with a locking member 71 coupling 3 being pressed on nipple 2 on 23 outer walls, it is preferable that the locking member 71 is a lock
Tight nut, the outer end of coupling 23 are connected with water receiving part 72, and the component of keeping out is arranged on the outer wall of pipeline 1, described to support
Gear component includes an abutment for being arranged at line end, abutment have one be used for 31 outer wall of cartridge part of coupling 3 into
Row stops blocking part.
In addition, being arranged circumferentially multiple pull ring component 73 on 31 outer wall of cartridge part of coupling 3, each pull ring component 73 has one
The connecting portion being connected with 31 outer wall thread of cartridge part, by setting pull ring component 73, is dismantled after the completion of pressure testing device pressure testing
During, pull ring component 73 easily can pull out coupling 3 out of pipeline 1.
In addition, being arranged circumferentially multiple locating parts 8 on the cartridge part 31 of coupling 3, each locating part 8 includes being fixed on slotting
Fixed part 81 in dress portion 31, extend limiting section 82 on fixed part 81, and limiting section 82 is located on the abutment outer wall.
Pipeline 1, it is necessary to which pressure testing device is disassembled after the completion of water injection to keep pressure, out of pipeline 1 discharge by the pressure testing water in pipeline 1,
During this, the amount for water outlet in pipeline 1 easily occur is more than air inflow, and at this time, the pressure testing device positioned at 1 other end of pipeline is easy
In interior suction line 1, the utility model can solve the problems, such as this well using locating part 8, and pipeline 1 is inhaled into pressure testing device
When interior, the locating part 8 in coupling 3 can be stopped in 1 end of pipeline, so as to prevent pressure testing device to be inhaled into pipeline 1
It is interior.
In addition, the inner side of closure part 21 of the nipple 2 is formed with the tapered portion 211 in an insertion line ports.Due to
Steel-plastics composite pipe category non-metal pipe, inevitably has some deformations, especially large-size during transport and stacking
Pipe deformations are even more serious, meanwhile, when installing pressure testing device, nipple 2 is difficult to accomplish coaxial with tubing, and the utility model leads to
Cross and a tapered portion 211 with guiding role is formed outside the closure part 21 of nipple 2, on the one hand, when mounted, nipple 2
Tapered portion 211 line ports are acted on finishing, can the deformation that occurs of self-healing line ports, solve the peace of nipple
Fill difficult problem；On the other hand, 211 outer wall of tapered portion is close on line ports inner wall, plays the role of guiding, ensures
The concentricity of nipple 2 and line ports.
Finally, the utility model is directed to the connection operating mode of different pipelines, and the component of keeping out can have a diversified forms, and first
Kind, when running into flanged joint pipeline, the component of keeping out includes being sheathed on bushing 43 on 1 outer wall of pipeline, is arranged at lining
Cover and the first of 43 bottoms keep out ring 41, be arranged at the second of 1 end of pipeline and keep out ring 42, keep out ring 41 and second first and keep out
Annular is provided with multiple connection bolts between ring 42, and described second to keep out ring 42 be the abutment, as shown in Figures 1 to 3；Second
Kind, when running into taper sealing pipeline connection operating mode, formed with tapered portion at 1 port outer wall of pipeline, for this reason, described keep out component
Including semicircular first lock sleeve, 51 and second lock sleeve 52, the inner circle of the first lock sleeve and the second lock sleeve is and pipeline end
The end of the matched cone in taper position of mouthful outer wall, the first lock sleeve 51 and the second lock sleeve 52 formed with lug 53,
Compressed between the lug of the lug of first lock sleeve 51 and the second lock sleeve 52 using bolt, the first lock sleeve 51 and second
Lock sleeve 52 is described spacing close to spacing ring 50 of 1 end of pipeline formed with the 31 outer wall periphery of cartridge part with the coupling 3
Ring 50 is the blocking part, as shown in FIG. 7 and 8；The third, when running into flat sealing pipeline operating mode, 1 port outer wall of pipeline is light
Sliding cylindrical wall, for this reason, the component of keeping out includes semicircular first lock sleeve 51, the second lock sleeve 52, the first lock sleeve
51st, the inner circle of the second lock sleeve 52 is cone, and the first hangnail part 511 for being arranged in the first lock sleeve 51, be arranged at second
The cylindrical cone phase for the first lock sleeve 51, the inner circle of the second lock sleeve 52 of the second hangnail part 521 in lock sleeve 52
Match somebody with somebody and use the form of being slidably matched, the end of the first lock sleeve 51 and the second lock sleeve 52 is formed with lug 50, the first lock sleeve
Compressed between the lug of 51 lug and the second lock sleeve 52 using bolt, the first lock sleeve 51 and the second lock sleeve 52 lean on
Spacing ring 50 of nearly 1 end of pipeline formed with the 31 outer wall periphery of cartridge part with the coupling 3, spacing ring 50 are kept out to be described
The hangnail for being useful for 1 outer wall of Hook trombone slides line is formed on the inner wall of portion, the first hangnail part and the second hangnail part, as shown in Figs. 4-6.
The third, when the pipeline for running into flat sealing type of attachment connects operating mode, need to only use in taper sealing pipeline connects operating mode
The first lock sleeve 51 and the second lock sleeve 52 inner circle in the first hangnail part 511 of corresponding increase and the second hangnail part 521,
The inner circle cone of cylindrical and the first lock sleeve 51 and the second lock sleeve 52 of first hangnail part 511 and the second hangnail part 521 matches
Close, and the length of the first hangnail part 511 and the second hangnail part 521 is less than the first lock sleeve 51 and the second lock sleeve 52 with matching
Inner circle cone length, formed on the inner wall of the first hangnail part 511 and the second hangnail part 521 and be useful for Hook and draw falling for pipeline external wall
Thorn.First lock sleeve 51 and the second lock sleeve 52 are close to line end formed with 31 outer wall of the cartridge part week with the coupling 3
The spacing ring 50 of edge, which is the blocking part, due to the first hangnail part 511 and the outer cone of the second hangnail part 521
Body and the inner circle cone of the first lock sleeve 51 and the second lock sleeve 52 is are slidably matched, in pressure testing due to blocking part stress, the
One lock sleeve 51 and the second lock sleeve 52 have the trend slid in and out, and continuous with test pressure rises, the first lock sleeve 51
Know from experience the constantly cylindrical cone of the first hangnail part 511 of extruding and the second hangnail part 521 with the female cone of the second lock sleeve 52, make
Hangnail in 521 inner circle of first hangnail part 511 and the second hangnail part is bonded tighter with outer pipe wall, so as to solve existing skill
When the axial force born in art with test pressure rising lining core exceedes the snap-in force between briquetting and pipe outer plastic layer, briquetting
Loosen, the problem of leaking and making test failure occur.
Before 1 pressure testing of pipeline, pressure testing device is set at each port of pipeline 1, sealing ring 9 is sheathed on the envelope of nipple 2
In stifled portion 21,1 inner wall of pipeline is inserted into the closure part 21 of nipple 2, meanwhile, the cartridge part 31 of coupling 3 is also inserted into pipeline 1
Wall, the location division 22 of nipple 2, which is inserted into the sleeve part 32 of coupling 3, forms positioning and guiding effect, the connector portions 23 of nipple 2
Through the sleeve part 32 of coupling 3, locking member 71 is set in connector portions 23, coupling 3 is pressed in nipple 2 by locking member 71
On, water receiving part 72 is connected in the outer end of connector portions 23, after installation is complete, during pressure testing, by high pressure water access water receiving part 72, pipe
High pressure water in line 1 by the nipple 2 in each 2 port of pipeline outwardly against 31 outer wall of cartridge part of, coupling 3 be resisted against to
On the blocking part of block piece, meanwhile, nipple 3 and coupling 3 mutually extrude, and improve the sealing effect of sealing ring 9, due to this
Utility model keeps out component and nipple 2,3 separate design of coupling, can be with this way, for different 1 operating mode situations of pipeline
Replace as needed and keep out component, effect is kept out to coupling 3 to realize, afterwards, carry out pressurize, check the sealing effect of pipeline 1
Fruit, it is finally, also more convenient in pressure testing device disassembly process, it only need to will keep out component and be disassembled from 1 port of pipeline, afterwards
Nipple 2 and coupling 3 can be removed out of pipeline, without in line ports welded flange connector, and after the completion of pressure testing,
Cut off also without by the line ports connected for pressure testing bump joint, reduce the investment of pipeline, reduce worker
Workload, meanwhile, because secondary plugging need not be carried out to the port of pressure testing pipeline, solve in pipeline this portion after installation is complete
There is the security risk leaked in position.
Claims (3)
- A kind of 1. full working scope steel-plastics composite pipe pipeline pressure testing device, it is characterised in that：Including nipple (2), coupling (3) and support Component is kept off, the nipple (2) includes a closure part (21) being installed in pipeline (1), is formed at closure part (21) middle part And the location division (22) of outwardly convex, stretch out among location division (22) and through the connector portions (23) of coupling (3), connect Limbers is offered in head (23), external screw thread is offered on connector portions (23) outer wall, is provided with closure part (21) outer wall close Seal (9), cartridge part (31) that the coupling (3) includes being plugged in pipeline (1), be formed among cartridge part (31) and cover Sleeve part (32) on location division (22) outer wall, be provided with connector portions (23) outer wall one coupling (3) is pressed in Locking member (71) on connector (2), the outer end of coupling (3) are connected with water receiving part (72), and the component of keeping out is arranged at pipe On the outer wall of line (1), the component of keeping out includes an abutment for being arranged at pipeline (1) end, and abutment has one to be used for Stop blocking part is carried out to cartridge part (31) outer wall of coupling (3).
- 2. full working scope steel-plastics composite pipe pipeline pressure testing device according to claim 1, it is characterised in that：The coupling (3) multiple pull ring component (73) have been arranged circumferentially on cartridge part (31) outer wall, each pull ring component (73) has one and cartridge part (31) connecting portion of outer wall thread connection.
- 3. full working scope steel-plastics composite pipe pipeline pressure testing device according to claim 2, it is characterised in that：The coupling (3) multiple locating parts (8) have been arranged circumferentially on cartridge part (31), each locating part (8) includes being fixed on cartridge part (31) Fixed part (81), extend limiting section (82) on fixed part (81), limiting section (82) is located on the abutment outer wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440294.5U CN207280859U (en) | 2017-10-30 | 2017-10-30 | A kind of full working scope steel-plastics composite pipe pipeline pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440294.5U CN207280859U (en) | 2017-10-30 | 2017-10-30 | A kind of full working scope steel-plastics composite pipe pipeline pressure testing device |
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| CN207280859U true CN207280859U (en) | 2018-04-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860645A (en) * | 2017-10-30 | 2018-03-30 | 安源管道实业股份有限公司 | A kind of full working scope steel-plastics composite pipe pipeline pressure testing device |
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2017
- 2017-10-30 CN CN201721440294.5U patent/CN207280859U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860645A (en) * | 2017-10-30 | 2018-03-30 | 安源管道实业股份有限公司 | A kind of full working scope steel-plastics composite pipe pipeline pressure testing device |
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