CN206112374U - Non -maintaining self -steering of on -line monitoring external pressure straight tube pressure balance seals expansion joint - Google Patents
Non -maintaining self -steering of on -line monitoring external pressure straight tube pressure balance seals expansion joint Download PDFInfo
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- CN206112374U CN206112374U CN201621027698.7U CN201621027698U CN206112374U CN 206112374 U CN206112374 U CN 206112374U CN 201621027698 U CN201621027698 U CN 201621027698U CN 206112374 U CN206112374 U CN 206112374U
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- outer tube
- iii
- bellows
- expansion joint
- plate
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Abstract
The utility model relates to a non -maintaining self -steering of on -line monitoring external pressure straight tube pressure balance seals expansion joint, including import takeover, honeycomb duct, export takeover, outer tube and bellows, being equipped with outer tube III in the outer tube I, being equipped with bellows III in the outer tube III, III outsides of outer tube are equipped with bellows I, are equipped with bellows II in the outer tube II, bellows I is connected with crown plate I and outer tube III, and bellows II is connected with outer tube III and crown plate III, and bellows III is taken over with outer tube III and import and is connected, the expansion joint is equipped with and leaks warning, self sealing and guider. The utility model discloses the axial of expansion joint is stabilized betterly, and the pipeline is difficult for the wrench movement, if the bellows leaks, can in time report to the police. The utility model discloses a filler filler pours into sealing filler into, strengthens the sealing performance of expansion joint, keeps the reliable sealed of expansion joint for a long time, realizes on -line monitoring, self sealing, self guidance and non -maintaining. The utility model discloses be difficult for leakage, long service life, low, the work safe and reliable of maintenance cost.
Description
Technical field
The utility model is related to pipeline compensator technical field, especially one kind be provided with on-line monitoring report to the police, it is automatically close
Envelope and guider, using the maintenance-free corrugated tube expansion joint of external pressure straight pipe pressure balance type.
Background technology
Heat supply pipeline needs segmentation to install some expansion joints for compensating pipeline extension, particularly for convey high temperature,
The long range heat supply pipeline of high-pressure medium, the wall thickness of expansion joint is larger, intensity is higher, and the axial displacement of extraction duct is more.Cause
This is higher for the reliability requirement of expansion joint for pipeline.
At present, it is common to use bellows expansion joint be mostly inner pressed working method.It is passed through in pipeline after medium, medium
During the inner chamber of bellows can be entered into, i.e., the inwall of bellows is subject to the pressure of medium.Pipeline extends or receives because expanding with heat and contract with cold
During contracting, the active force that bellows is stretched or compresses adds the pressure that ripple inside pipe wall bears, and easily causes the torsion of expansion joint
It is dynamic.During Long-Time Service, because the stroke that heat supply pipeline is produced is larger, the wave number of bellows is more, the ripple of expansion joint
Easily there is leakage because of fatigue in tube capacity, and inner pressed bellows can make whole expansion joint fail once leaking.Therefore periodically dimension is needed
Shield changes expansion joint for pipeline, causes the service life of expansion joint shorter, and the workload safeguarded and change is big, relatively costly.Have
When can be because failing to find leakage and the expansion joint for failing in time, so as to cause generation industrial accident.
Utility model content
The purpose of this utility model is to provide one kind and is provided with on-line monitoring warning device, automatic-sealed and guider, can
It is higher by property, leakage, long service life are difficult, non-maintaining external pressure straight-pipe pressure balanced expansion joint is realized during use.
The purpose of this utility model is achieved by the following technical solution：
The non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing, including entrance sleeve, mozzle, go out
Mouth adapter and two or more outer tube and bellows；The inner surface of the entrance sleeve is connected with mozzle, and mozzle is stretched into
To in discharge connection, the outer surface of entrance sleeve is connected by ring flat-plate I with the left end of outer tube I, and the right-hand member of outer tube I passes through ring
Plate II is connected with the left end of outer tube II, and the right-hand member of outer tube II is connected with ring flat-plate III, and ring flat-plate III is set in the outer of discharge connection
Surface, is provided with outer tube III in the inner chamber of the outer tube I, the inner side of outer tube III is provided with bellows III, outside outer tube III
Side is provided with bellows I, and bellows II is provided with the inner chamber of the outer tube II；The left end of the bellows I is connected with ring flat-plate I,
The right-hand member of bellows I is connected by end ring I with outer tube III, and the left end of the bellows II is connected with outer tube III, bellows
II right-hand member is connected with the ring flat-plate III, and the left end of the bellows III is connected with the left end of outer tube III, the right side of bellows III
End is connected with the outer surface of the entrance sleeve；The right side of the ring flat-plate III is provided with filler chamber, and filler is provided with airtight and watertight padding in room；
Described filler room is made up of loading pipe and filler flange, and filler flange is connected by screw rod with ring flat-plate III；On the outer wall of filler chamber
Filling mouth is provided with, filler is provided with dielectric leakage alarm sensor, the sensor is by holding wire and long-distance monitorng device
Circuit connects；Filler flange outside is provided with pressure ring, and pressure ring is connected by the spring being set on screw rod with filler flange, outside pressure ring
The screw rod end of side is provided with nut, and the pressure ring is provided with groove, SDeflector is provided with groove with the contact surface of discharge connection.
Used as optimal technical scheme of the present utility model, the right-hand member of the outer tube III is by end ring II and discharge connection
Outer surface is welded and fixed, and the left end of the bellows II is connected by end ring II with outer tube III.
Used as optimal technical scheme of the present utility model, the left end of the bellows III is by end ring III and outer tube III
Left end is welded and fixed.
As optimal technical scheme of the present utility model, collar aperture is provided with the tube wall of the outer tube III so that overcoat
Pipe I and the inner chamber of the composition of bellows I and the intracavity inter-connection of the discharge connection.
As optimal technical scheme of the present utility model, ball valve is installed on the tube wall of the outer tube I.
As optimal technical scheme of the present utility model, ring flat-plate hole is provided with the ring flat-plate I, ring flat-plate is provided with ball on hole
Valve, is provided with dielectric leakage alarm sensor on ball valve, the sensor is connected by holding wire with long-distance monitorng device circuit.
As optimal technical scheme of the present utility model, gusset, gusset are provided between the ring flat-plate II and outer tube II
It is welded and fixed with ring flat-plate II and outer tube II simultaneously.
Used as optimal technical scheme of the present utility model, the discharge connection outer wall on the right side of the ring flat-plate III is provided with otic placode,
Otic placode is connected by pull bar with the outer wall of outer tube II.
The beneficial effects of the utility model are：Relative to prior art, the utility model expansion joint is passed through Jie in pipeline
After matter, medium can be entered in the exterior chamber of bellows, i.e. external-compression type working method.What expansion joint was subject in pipeline extension
Pulling force and pressure are mutually balanced, and axially stable preferable, pipeline is not susceptible to twisting.Even if bellows occurs letting out because of fatigue failure
Leakage, the filler of expansion joint filler chamber can play preferable sealing function.
The utility model is provided with on-line monitoring warning device, spring pressure ring automatic-sealed and guider, can also lead to
Filler injection airtight and watertight padding is crossed, strengthens the sealing property of expansion joint, the positive sealing of long-term holding expansion joint is realized online real
When monitoring, automatic-sealed, automatic guide and non-maintaining.The utility model is difficult that leakage, long service life, maintenance cost be low, work
Make safe and reliable.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the mplifying structure schematic diagram in Fig. 1 at A.
In figure：1st, entrance sleeve, 2, ring flat-plate I, 3, bellows I, 4, outer tube III, 5, outer tube I, 6, ball valve, 7, ring flat-plate
II, 8, gusset, 9, outer tube II, 10, ring flat-plate III, 11, pull bar, 12, otic placode, 13, filler chamber, 14, discharge connection, 15, water conservancy diversion
Pipe, 16, leakage alarm sensor, 17, airtight and watertight padding, 18, bellows III, 19, collar aperture, 20, bellows II, 21, end ring I,
22nd, end ring II, 23, end ring III, 24, ring flat-plate hole, 25, filler flange, 26, screw rod, 27, pressure ring, 28, SDeflector, 29, spring.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described in further detail with specific embodiment：
As depicted in figs. 1 and 2, the non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing, including entering
Mouth adapter 1, mozzle 15, discharge connection 14 and two or more outer tube and bellows；The inner surface of the entrance sleeve 1 with
Mozzle 15 connects, and mozzle 15 is extend in discharge connection 14, and the outer surface of entrance sleeve 1 is by ring flat-plate I 2 and outer tube I 5
Left end connection, the right-hand member of outer tube I 5 is connected by ring flat-plate II 7 with the left end of outer tube II 9, the right-hand member and ring of outer tube II 9
Plate III 10 connects, and ring flat-plate III 10 is set in the outer surface of discharge connection 14, outer tube III 4 is provided with the inner chamber of outer tube I 5, outward
The inner side of sleeve pipe III 4 is provided with bellows III 18, and the outside of outer tube III 4 is provided with bellows I 3, is provided with the inner chamber of outer tube II 9
Bellows II 20；The left end of bellows I 3 is connected with ring flat-plate I 2, and the right-hand member of bellows I 3 is connected by end ring I 21 with outer tube III 4
Connect, the left end of bellows II 20 is connected with outer tube III 4, the right-hand member of bellows II 20 is connected with ring flat-plate III 10, bellows III 18
Left end be connected with the left end of outer tube III 4, the right-hand member of bellows III 18 is connected with the outer surface of entrance sleeve 1.
The right side of ring flat-plate III 10 is provided with filler chamber 13, filler chamber 13 and is provided with airtight and watertight padding 17, and filler chamber 13 is by loading pipe
Constitute with filler flange 25, filler flange 25 is connected by screw rod 26 with ring flat-plate III 10, and the outer wall of filler chamber 13 is provided with filler
Filler, filler is provided with dielectric leakage alarm sensor 16, and sensor 16 is connected by holding wire with long-distance monitorng device circuit
Connect.The outside of filler flange 25 is provided with pressure ring 27, and pressure ring 27 is connected by the spring 29 being set on screw rod 26 with filler flange 25,
The screw rod end in the outside of pressure ring 27 is provided with nut, and the pressure ring 27 is provided with groove, is provided with groove with the contact surface of discharge connection 14
SDeflector 28.
In the present embodiment, the right-hand member of outer tube III 4 is welded and fixed by end ring II 22 with the outer surface of discharge connection 14, ripple
The left end of line pipe II 20 is connected by end ring II 22 with outer tube III 4.The left end of bellows III 18 is by end ring III 23 and outer tube
III 4 left end is welded and fixed.
Collar aperture 19 is provided with the tube wall of the present embodiment outer tube III 4 so that outer tube I 5 is interior with what bellows I 3 was constituted
Chamber and the intracavity inter-connection of discharge connection 14.Ball valve 6 is installed on the tube wall of outer tube I 5；Ring flat-plate hole 24 is provided with ring flat-plate I 2,
Ball valve is installed on ring flat-plate hole 24, dielectric leakage alarm sensor 16 is installed on ball valve, sensor 16 by holding wire with it is remote
Range monitoring device circuit connects.Be provided with gusset 8 between ring flat-plate II 7 and outer tube II 9, gusset 8 simultaneously with ring flat-plate II 7 and overcoat
Pipe II 9 is welded and fixed.The outer wall of discharge connection 14 on the right side of ring flat-plate III 10 is provided with otic placode 12, and otic placode 12 is by pull bar 11 and overcoat
The outer wall connection of pipe II 9.Pull bar 11 and otic placode 12 are mainly used in fixed and protection expansion joint, it is to avoid product is being packed and transported
It is damaged in journey, needs to remove pull bar 11 when expansion joint is installed to the operating position in pipeline.
Claims (8)
1. a kind of non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing, including entrance sleeve, mozzle,
Discharge connection and two or more outer tube and bellows；The inner surface of the entrance sleeve is connected with mozzle, and mozzle is stretched
Enter in discharge connection, the outer surface of entrance sleeve is connected by ring flat-plate I with the left end of outer tube I, and the right-hand member of outer tube I passes through
Ring flat-plate II is connected with the left end of outer tube II, and the right-hand member of outer tube II is connected with ring flat-plate III, and ring flat-plate III is set in discharge connection
Outer surface, is characterized in that：Outer tube III is provided with the inner chamber of the outer tube I, the inner side of outer tube III is provided with bellows III, outward
The outside of sleeve pipe III is provided with bellows I, and bellows II is provided with the inner chamber of the outer tube II；
The left end of the bellows I is connected with ring flat-plate I, and the right-hand member of bellows I is connected by end ring I with outer tube III, the ripple
The left end of line pipe II is connected with outer tube III, and the right-hand member of bellows II is connected with the ring flat-plate III, the left end of the bellows III
It is connected with the left end of outer tube III, the right-hand member of bellows III is connected with the outer surface of the entrance sleeve；The right side of the ring flat-plate III
Side is provided with filler chamber, and filler is provided with airtight and watertight padding in room；Described filler room is made up of loading pipe and filler flange, and filler flange leads to
Cross screw rod to be connected with ring flat-plate III, the outer wall of filler chamber is provided with filling mouth, and filler is provided with dielectric leakage alarm sensor,
The sensor is connected by holding wire with long-distance monitorng device circuit；Filler flange outside is provided with pressure ring, and pressure ring is by being set in
Spring on screw rod is connected with filler flange, and the screw rod end on the outside of pressure ring is provided with nut, contact of the pressure ring with discharge connection
Face is provided with groove, and SDeflector is provided with groove.
2. the non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 1, it is special
Levying is：The right-hand member of the outer tube III is welded and fixed by end ring II with the outer surface of discharge connection, the left end of the bellows II
It is connected with outer tube III by end ring II.
3. the non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 1, it is special
Levying is：The left end of the bellows III is welded and fixed by end ring III with the left end of outer tube III.
4. the non-maintaining self- steering sealing of on-line monitoring external pressure straight pipe pressure-equalizing according to any one of claims 1 to 3 is swollen
Swollen section, is characterized in that：Be provided with collar aperture on the tube wall of the outer tube III so that the inner chamber that outer tube I and bellows I are constituted with
The intracavity inter-connection of the discharge connection.
5. the non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 4, it is special
Levying is：Ball valve is installed on the tube wall of the outer tube I.
6. the non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 4, it is special
Levying is：Ring flat-plate hole is provided with the ring flat-plate I, ball valve is installed on ring flat-plate hole, dielectric leakage alarm sensor is installed on ball valve,
The sensor is connected by holding wire with long-distance monitorng device circuit.
7. the non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 1, it is special
Levying is：Gusset is provided between the ring flat-plate II and outer tube II, gusset is welded and fixed with ring flat-plate II and outer tube II simultaneously.
8. the non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 1, it is special
Levying is：The discharge connection outer wall on the right side of the ring flat-plate III is provided with otic placode, and otic placode is connected by pull bar with the outer wall of outer tube II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027698.7U CN206112374U (en) | 2016-08-31 | 2016-08-31 | Non -maintaining self -steering of on -line monitoring external pressure straight tube pressure balance seals expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621027698.7U CN206112374U (en) | 2016-08-31 | 2016-08-31 | Non -maintaining self -steering of on -line monitoring external pressure straight tube pressure balance seals expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206112374U true CN206112374U (en) | 2017-04-19 |
Family
ID=58518627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621027698.7U Expired - Fee Related CN206112374U (en) | 2016-08-31 | 2016-08-31 | Non -maintaining self -steering of on -line monitoring external pressure straight tube pressure balance seals expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206112374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795786A (en) * | 2016-08-31 | 2018-03-13 | 吉慧萍 | The non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing |
-
2016
- 2016-08-31 CN CN201621027698.7U patent/CN206112374U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107795786A (en) * | 2016-08-31 | 2018-03-13 | 吉慧萍 | The non-maintaining self- steering sealed expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170419 Termination date: 20190831 |