CN206112373U - Non -maintaining self -steering expansion joint of on -line monitoring external pressure straight tube pressure balance - Google Patents
Non -maintaining self -steering expansion joint of on -line monitoring external pressure straight tube pressure balance Download PDFInfo
- Publication number
- CN206112373U CN206112373U CN201621024311.2U CN201621024311U CN206112373U CN 206112373 U CN206112373 U CN 206112373U CN 201621024311 U CN201621024311 U CN 201621024311U CN 206112373 U CN206112373 U CN 206112373U
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- China
- Prior art keywords
- iii
- trocar sheath
- expansion joint
- ring flat
- corrugated tube
- Prior art date
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- Expired - Fee Related
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 239000000945 filler Substances 0.000 claims abstract description 32
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 3
- 210000001215 vagina Anatomy 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000008676 import Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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Abstract
The utility model relates to a non -maintaining self -steering expansion joint of on -line monitoring external pressure straight tube pressure balance, 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, packing chamber is equipped with and leaks siren operated sensor and guider. The utility model discloses the axial of expansion joint is stabilized betterly, and the pipeline is difficult to take place the wrench movement. The bellows can in time be reported to the police if leak. 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 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
This utility model is related to pipeline compensator technical field, and especially one kind is provided with on-line monitoring and reports to the police and guiding dress
Put, 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 corrugated tube can be entered into, i.e., the inwall of corrugated tube 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 corrugated tube 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 life-time service, because the stroke that heat supply pipeline is produced is larger, the wave number of corrugated tube is more, the ripple of expansion joint
Easily there is leakage because of fatigue in tube capacity, and inner pressed corrugated tube 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 alarm device and guider, and reliability is higher,
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 expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing, including entrance sleeve, mozzle, outlet connect
Pipe and two or more trocar sheath and corrugated tube；The inner surface of the entrance sleeve is connected with mozzle, and mozzle extend into out
In mouth adapter, the outer surface of entrance sleeve is connected by ring flat-plate I with the left end of trocar sheath I, and the right-hand member of trocar sheath I passes through ring flat-plate II
It is connected with the left end of trocar sheath II, the right-hand member of trocar sheath II is connected with ring flat-plate III, and ring flat-plate III is set in the outer surface of discharge connection,
Trocar sheath III is provided with the inner chamber of the trocar sheath I, the inner side of trocar sheath III is provided with corrugated tube III, and the outside of trocar sheath III is provided with
Corrugated tube I, is provided with corrugated tube II in the inner chamber of the trocar sheath II；The left end of the corrugated tube I is connected with ring flat-plate I, corrugated tube I
Right-hand member be connected with trocar sheath III by end ring I, the left end of the corrugated tube II is connected with trocar sheath III, the right-hand member of corrugated tube II
Be connected with the ring flat-plate III, the left end of the corrugated tube III is connected with the left end of trocar sheath III, the right-hand member of corrugated tube III with it is described
The outer surface connection of 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 bolt with ring flat-plate III, and filler flange connects with discharge connection
Contacting surface is provided with groove, and SDeflector is provided with groove；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.
Used as optimal technical scheme of the present utility model, the right-hand member of the trocar sheath III is by end ring II and discharge connection
Outer surface is welded and fixed, and the left end of the corrugated tube II is connected by end ring II with trocar sheath III.
Used as optimal technical scheme of the present utility model, the left end of the corrugated tube III is by end ring III and trocar sheath 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 trocar sheath III so that overcoat
Pipe I and the inner chamber of the composition of corrugated tube 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 trocar sheath 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 trocar sheath II
It is welded and fixed with ring flat-plate II and trocar sheath 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 trocar sheath II.
The beneficial effects of the utility model are：Relative to prior art, this utility model expansion joint is passed through Jie in pipeline
After matter, medium can be entered in the exterior chamber of corrugated tube, 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 corrugated tube occurs letting out because of fatigue failure
Leakage, the filler of expansion joint filler chamber can play preferable sealing function.
This utility model is provided with on-line monitoring alarm device and guider, can also inject sealing by filler and fill out
Material, strengthens the sealing property of expansion joint, the long-term positive sealing for keeping expansion joint, realize on line real-time monitoring, automatic guide and
Non-maintaining purpose.It is low, safe and reliable that this utility model is difficult leakage, long service life, maintenance cost.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the close-up schematic view in Fig. 1 at A.
In figure：1st, entrance sleeve, 2, ring flat-plate I, 3, corrugated tube I, 4, trocar sheath III, 5, trocar sheath I, 6, ball valve, 7, ring flat-plate
II, 8, gusset, 9, trocar sheath 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, corrugated tube III, 19, collar aperture, 20, corrugated tube II, 21, end ring I,
22nd, end ring II, 23, end ring III, 24, ring flat-plate hole, 25, filler flange, 26, SDeflector.
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 expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing, including import connects
Pipe 1, mozzle 15, discharge connection 14 and two or more trocar sheath and corrugated tube；The inner surface and water conservancy diversion of the entrance sleeve 1
Pipe 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 a left side for trocar sheath I 5
End connection, the right-hand member of trocar sheath I 5 is connected by ring flat-plate II 7 with the left end of trocar sheath II 9, right-hand member and the ring flat-plate III of trocar sheath II 9
10 connections, ring flat-plate III 10 is set in the outer surface of discharge connection 14, trocar sheath III 4, trocar sheath is provided with the inner chamber of trocar sheath I 5
III 4 inner side is provided with corrugated tube III 18, and the outside of trocar sheath III 4 is provided with corrugated tube I 3, in the inner chamber of trocar sheath II 9 ripple is provided with
Pipe II 20；The left end of corrugated tube I 3 is connected with ring flat-plate I 2, and the right-hand member of corrugated tube I 3 is connected by end ring I 21 with trocar sheath III 4, ripple
The left end of stricture of vagina pipe II 20 is connected with trocar sheath III 4, and the right-hand member of corrugated tube II 20 is connected with ring flat-plate III 10, the left end of corrugated tube III 18
It is connected with the left end of trocar sheath III 4, the right-hand member of corrugated tube III 18 is connected with the outer surface of entrance sleeve 1.
The right side of the ring flat-plate III 10 is provided with filler chamber 13, is provided with airtight and watertight padding 17 in filler chamber 13, and filler chamber 13 is by filling out
Expects pipe and filler flange 25 are constituted, and filler flange 25 is connected by bolt with ring flat-plate III 10, filler flange 25 and discharge connection 14
Contact surface be provided with groove, SDeflector 26 is provided with groove；The outer wall of filler chamber 13 is provided with filling mouth, and filler is provided with
Dielectric leakage alarm sensor 16, sensor 16 is connected by holding wire with long-distance monitorng device circuit.
In the present embodiment, the right-hand member of trocar sheath III 4 is welded and fixed by end ring II 22 with the outer surface of discharge connection 14, ripple
The left end of stricture of vagina pipe II 20 is connected by end ring II 22 with trocar sheath III 4.The left end of corrugated tube III 18 is by end ring III 23 and trocar sheath
III 4 left end is welded and fixed.
Collar aperture 19 is provided with the tube wall of the present embodiment trocar sheath III 4 so that trocar sheath I 5 is interior with what corrugated tube I 3 was constituted
Chamber and the intracavity inter-connection of discharge connection 14.Ball valve 6 is installed on the tube wall of trocar sheath 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 trocar sheath 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. the non-maintaining self- steering expansion joint of a kind of on-line monitoring external pressure straight pipe pressure-equalizing, including entrance sleeve, mozzle, outlet
Adapter and two or more trocar sheath and corrugated tube；The inner surface of the entrance sleeve is connected with mozzle, and mozzle extend into
In discharge connection, the outer surface of entrance sleeve is connected by ring flat-plate I with the left end of trocar sheath I, and the right-hand member of trocar sheath I passes through ring flat-plate
II is connected with the left end of trocar sheath II, and the right-hand member of trocar sheath II is connected with ring flat-plate III, and ring flat-plate III is set in the appearance of discharge connection
Face, is characterized in that：Trocar sheath III is provided with the inner chamber of the trocar sheath I, the inner side of trocar sheath III is provided with corrugated tube III, trocar sheath
III outside is provided with corrugated tube I, and corrugated tube II is provided with the inner chamber of the trocar sheath II；
The left end of the corrugated tube I is connected with ring flat-plate I, and the right-hand member of corrugated tube I is connected by end ring I with trocar sheath III, the ripple
The left end of stricture of vagina pipe II is connected with trocar sheath III, and the right-hand member of corrugated tube II is connected with the ring flat-plate III, the left end of the corrugated tube III
It is connected with the left end of trocar sheath III, the right-hand member of corrugated tube 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 bolt to be connected with ring flat-plate III, filler flange is provided with groove with the contact surface of discharge connection, and SDeflector is provided with groove；Filler chamber
Outer wall be provided with filling mouth, filler is provided with dielectric leakage alarm sensor, the sensor by holding wire with it is long-range
Supervising device circuit connects.
2. the non-maintaining self- steering expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 1, is characterized in that：
The right-hand member of the trocar sheath III is welded and fixed by end ring II with the outer surface of discharge connection, and the left end of the corrugated tube II is by end
Ring II is connected with trocar sheath III.
3. the non-maintaining self- steering expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 1, is characterized in that：
The left end of the corrugated tube III is welded and fixed by end ring III with the left end of trocar sheath III.
4. the non-maintaining self- steering expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to any one of claims 1 to 3,
It is characterized in that：Be provided with collar aperture on the tube wall of the trocar sheath III so that the inner chamber that trocar sheath I and corrugated tube I are constituted with it is described
The intracavity inter-connection of discharge connection.
5. the non-maintaining self- steering expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 4, is characterized in that：
Ball valve is installed on the tube wall of the trocar sheath I.
6. the non-maintaining self- steering expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 4, is characterized in that：
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 biography
Sensor is connected by holding wire with long-distance monitorng device circuit.
7. the non-maintaining self- steering expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 1, is characterized in that：
Gusset is provided between the ring flat-plate II and trocar sheath II, gusset is welded and fixed with ring flat-plate II and trocar sheath II simultaneously.
8. the non-maintaining self- steering expansion joint of on-line monitoring external pressure straight pipe pressure-equalizing according to claim 1, is characterized in that：
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 trocar sheath II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024311.2U CN206112373U (en) | 2016-08-31 | 2016-08-31 | Non -maintaining self -steering expansion joint of on -line monitoring external pressure straight tube pressure balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024311.2U CN206112373U (en) | 2016-08-31 | 2016-08-31 | Non -maintaining self -steering expansion joint of on -line monitoring external pressure straight tube pressure balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206112373U true CN206112373U (en) | 2017-04-19 |
Family
ID=58516194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621024311.2U Expired - Fee Related CN206112373U (en) | 2016-08-31 | 2016-08-31 | Non -maintaining self -steering expansion joint of on -line monitoring external pressure straight tube pressure balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206112373U (en) |
-
2016
- 2016-08-31 CN CN201621024311.2U patent/CN206112373U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20170419 |