CN2874187Y - Three dimension straight pipe pressure balance type corrugated expansion joint - Google Patents
Three dimension straight pipe pressure balance type corrugated expansion joint Download PDFInfo
- Publication number
- CN2874187Y CN2874187Y CN 200520142873 CN200520142873U CN2874187Y CN 2874187 Y CN2874187 Y CN 2874187Y CN 200520142873 CN200520142873 CN 200520142873 CN 200520142873 U CN200520142873 U CN 200520142873U CN 2874187 Y CN2874187 Y CN 2874187Y
- Authority
- CN
- China
- Prior art keywords
- bellows
- exterior cover
- plate
- expansion joint
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a three-dimensional pressure balancing waveform expansion joint, comprising a 1st working waveform pipe, a 2nd waveform pipe and a balancing waveform pipe. The aforesaid 1st waveform pipe is fixed in a 1st end pipe with a flange via a 1st circular plate; the other end of the 1st waveform pipe is arranged in a end plate; the balancing waveform pipe and 2nd working waveform pipe are set in the waveform section in between the end plate and the 1st working waveform pipe; the aforesaid flange is fixed with the end plate via a big pulling rod. The utility model can absorb the coaxial and horizontal compound displacement in the pipeline and limit the distance of displacement; under the same technical condition, this utility model can absorb same displacement with short integral product length; the internal diameter of the draft tube set in the structure identifies with the pipeline connected to it; the medium does not contact directly with the waveform pipe. Therefore, this utility model can be best applied for the transmission of solid particles that wash out the pipeline; in the meantime, the blow cleaning device can help prolong the service life of this utility model.
Description
Technical field
The utility model relates to a kind of pipeline spare part of carrying granule solid dielectric or liquid, gas, specifically, relates to a kind of three dimension straight pipe pressure balance type corrugated expansion joint.
Background technique
Bellows, four end plates, several pull bars that traditional straight pipe pressure-equalizing expansion joint is pressed in bearing by three are formed, and connect between three bellowss, bear pressure thrust by pull bar, and its defective is as follows:
1. can only absorb axial displacement;
2. under the equivalent technology condition, absorb same displacement amount, product length is long;
3. be not suitable for pipeline is had in the pipeline of the media such as solid particle that wash away;
4. be not suitable for being provided with the purging structure.
The model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of three dimension straight pipe pressure balance type corrugated expansion joint is provided.
Three dimension straight pipe pressure balance type corrugated expansion joint described in the utility model, comprise that an end has first work bellows, second bellows and the balance bellows of first ring flat-plate, described first bellows is installed on the first end pipe with flange by first ring flat-plate, its the other end is installed on the end plate, be provided with balance bellows and the second work bellows that is positioned at the balance bellows between the bellows segment of the end plate and the first work bellows, described flange and end plate are connected and fixed by big pull bar.
The described first work bellows comprises first connecting tube, intervalve, second connecting tube and the second end pipe being respectively arranged with bellows segment between first connecting tube and the intervalve and between the intervalve and second connecting tube, are a concentric steel tubing in different shapes between second connecting tube and the second end pipe.
Described balance bellows is provided with the end stiffening ring at the 3rd connecting tube and bellows segment joint, is provided with stiffening ring between each ripple of bellows segment.
Expansion joint described in the utility model also is provided with the first purging flange and second that is connected with blowing cleaner and purges flange.
Described first purges flange is arranged on first connecting tube, and described second purges flange can be installed on the end plate.
Expansion joint described in the utility model also is provided with first exterior cover pipeline, second exterior cover pipeline and the 3rd ring flat-plate, and first exterior cover pipeline is fixed on intervalve by second ring flat-plate, and described two exterior cover pipelines and the 3rd exterior cover pipeline are fixed on second connecting tube by the 3rd ring flat-plate
Bellows and a bellows that bears external pressure, two end plates, several pull bars that three dimension straight pipe pressure balance type corrugated expansion joint described in the utility model is pressed in bearing by two are formed, wherein in parallel between two bellowss, pressure balance principle changes, and bears pressure thrust by pull bar.Have the following advantages:
1. product can absorb the axial and transverse set resultant displacement in the pipeline simultaneously, and can limit its displacement size;
2. under the equivalent technology condition, absorb same displacement amount, the product entire length is short;
In the internal diameter of the guide shell that is provided with on the structure and the pipeline that links to each other through consistent, medium does not directly contact with bellows, is particularly useful for pipeline is had the conveying of the media such as solid particle that wash away, and is provided with blowing cleaner simultaneously, can prolong its working life.
Description of drawings
Fig. 1 is the structural representation of three dimension straight pipe pressure balance type corrugated expansion joint described in the utility model.
Embodiment
Referring to Fig. 1, three dimension straight pipe pressure balance type corrugated expansion joint described in the utility model comprises first work bellows 6, second bellows 19 and the balance bellows 16.One end of first bellows 6 is connected with first ring flat-plate 3, one end of first bellows 6 is installed on the first end pipe 2 with flange 1 by first ring flat-plate 3, its the other end is installed on the end plate 20, be provided with balance bellows 16 and the second work bellows 19 that is positioned at balance bellows 16 between the bellows segment of the end plate 20 and the first work bellows 6, described flange 1 is connected and fixed by big pull bar 24 with end plate 20.
The pipe diameter of the described first end pipe 2 is consistent with the pipe diameter of the pipeline of required installation; play link and pressure part; and can serve as guide shell well; because this end pipe can prevent effectively that the medium that flows from directly contacting with bellows, so very suitable to the medium pipeline of those solid granules or dust-like.Described flange 1 conveyance conduit connects, and generally requires design according to pipeline, stamps bolt hole at an upper portion thereof, makes the intensity of its intensity and end plate consistent, can bear the interior pressure thrust that bellows produces, and also can reduce the physical dimension of product so simultaneously.
The described first work bellows 6 comprises first connecting tube 4, intervalve 9, second connecting tube 10 and the second end pipe 27, be respectively arranged with bellows segment between first connecting tube 4 and the intervalve 9 and between the intervalve 9 and second connecting tube 10, it between second connecting tube 10 and the second end pipe 27 a concentric steel tubing in different shapes 18, connect the different pipeline of diameter so that the second end pipe 27 is applicable to, and can bear the various stress that pressure medium produces.
Connect to form an inner chamber between second connecting tube 10, the 3rd ring flat-plate 12, balance bellows 16, the second work bellows 19, the end plate 20, open 12 holes on second connecting tube 10, make the medium circulation, propagation of pressure is to end plate.
For gaining in strength, described balance bellows 16 is provided with end stiffening ring 15 at the 3rd connecting tube 14 with the bellows segment joint, is provided with stiffening ring 17 between each ripple of bellows segment.
For preventing that medium from entering in the bellows bellows is produced wearing and tearing and washes away, be provided with is connected with blowing cleaner first purge the flange 5 and the second purging flange 25.First purges flange 5 can be arranged on first connecting tube 4, and second purges flange 25 can be installed on the end plate 20.Described blowing cleaner plays the effect that medium is purged in the course of the work.
For prevent that bellows from colliding with, and can prevent first exterior cover pipeline, 7, the second exterior cover pipelines 11 and the 3rd exterior cover pipeline 13 of bellows outer surface dust stratification at work in transportation and installation process.First exterior cover pipeline 7 is fixed on intervalve 9 by second ring flat-plate 8, and described two exterior cover pipelines 11 and the 3rd exterior cover pipeline 13 make by the 3rd ring flat-plate 12 and be fixed on second connecting tube 10.
Expansion joint described in the utility model also has positioning rod 26, can play interim location usefulness to product in the transportation of product and installation process, prevents that bellows from distorting in transportation and installation process, will be with this positioning rod dismounting during work.
Described flange 1 is connected by big pull bar 24 with end plate 20, and is fixing by taper faced washer 21, spherical washer 22 and big nut 23.Big pull bar 24 bears the pressure thrust that bellows produces, and by the conduction of this rigid pipe to power, can guarantee that product self can absorb the pressure thrust that bellows produces; Taper faced washer 21 main effects are and the supporting use of spherical washer the pull bar displacement when being used for product absorption lateral displacement; Spherical washer 22: the main effect of this part is: with the supporting use of taper faced washer, and the pull bar displacement when being used for product absorption lateral displacement; Big nut 23 is used for the outer end of taper faced washer and spherical washer, can cooperate with big pull bar to absorb the pressure thrust that bellows produces.
On request expansion joint described in the utility model is kept at a certain distance away and be installed in the pipeline, pipeline itself is subjected to thermal stretching when circulating high temperature media in the pipeline, first works bellows 6 by compression, and the second work bellows 19 and the elongation of balance bellows 16 equivalent absorb the axial displacement in the pipeline; The first work bellows 6 can absorb the lateral displacement of pipeline simultaneously, and the pressure thrust that bellows produces is absorbed by big pull bar.
Claims (10)
1. three dimension straight pipe pressure balance type corrugated expansion joint, it is characterized in that comprising that an end has the first work bellows (6) of first ring flat-plate (3), second bellows (19) and balance bellows (16), one end of described first bellows (6) is installed on the have flange first end pipe (2) of (1) by first ring flat-plate (3), its the other end is installed on the end plate (20), be provided with balance bellows (16) and be positioned at second of balance bellows (16) bellows (19) of working between the bellows segment of the end plate (20) and the first work bellows (6), described flange (1) and end plate (20) are connected and fixed by big pull bar (24).
2. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 1, it is characterized in that the described first work bellows (6) comprises first connecting tube (4), intervalve (9), second connecting tube (10) and the second end pipe (27), being respectively arranged with bellows segment between first connecting tube (4) and the intervalve (9) and between intervalve (9) and second connecting tube (10), be a concentric steel tubing in different shapes (18) between second connecting tube (10) and the second end pipe (27).
3. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 1 and 2, it is characterized in that described balance bellows (16) is provided with end stiffening ring (15) in the 3rd connecting tube (14) and bellows segment joint, is provided with stiffening ring (17) between each ripple of bellows segment.
4. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 1 and 2 is characterized in that being provided with the first purging flange (5) and second that is connected with blowing cleaner and purges flange (25).
5. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 3 is characterized in that being provided with the first purging flange (5) and second that is connected with blowing cleaner and purges flange (25).
6. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 5 is characterized in that the described first purging flange (5) is arranged on first connecting tube (4), and described second purges flange (25) can be installed on the end plate (20).
7. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 1 and 2, it is characterized in that being provided with first exterior cover pipeline (7), second exterior cover pipeline (11) and the 3rd ring flat-plate (12), first exterior cover pipeline (7) is fixed on intervalve (9) by second ring flat-plate (8), and described two exterior cover pipelines (11) and the 3rd exterior cover pipeline (13) are fixed on second connecting tube (10) by the 3rd ring flat-plate (12).
8. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 3, it is characterized in that being provided with first exterior cover pipeline (7), second exterior cover pipeline (11) and the 3rd ring flat-plate (12), first exterior cover pipeline (7) is fixed on intervalve (9) by second ring flat-plate (8), and described two exterior cover pipelines (11) and the 3rd exterior cover pipeline (13) are fixed on second connecting tube (10) by the 3rd ring flat-plate (12).
9. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 4, it is characterized in that being provided with first exterior cover pipeline (7), second exterior cover pipeline (11) and the 3rd ring flat-plate (12), first exterior cover pipeline (7) is fixed on intervalve (9) by second ring flat-plate (8), and described two exterior cover pipelines (11) and the 3rd exterior cover pipeline (13) are fixed on second connecting tube (10) by the 3rd ring flat-plate (12).
10. three dimension straight pipe pressure balance type corrugated expansion joint according to claim 6, it is characterized in that being provided with first exterior cover pipeline (7), second exterior cover pipeline (11) and the 3rd ring flat-plate (12), first exterior cover pipeline (7) is fixed on intervalve (9) by second ring flat-plate (8), and described two exterior cover pipelines (11) and the 3rd exterior cover pipeline (13) are fixed on second connecting tube (10) by the 3rd ring flat-plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142873 CN2874187Y (en) | 2005-12-09 | 2005-12-09 | Three dimension straight pipe pressure balance type corrugated expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142873 CN2874187Y (en) | 2005-12-09 | 2005-12-09 | Three dimension straight pipe pressure balance type corrugated expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2874187Y true CN2874187Y (en) | 2007-02-28 |
Family
ID=37780785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520142873 Expired - Fee Related CN2874187Y (en) | 2005-12-09 | 2005-12-09 | Three dimension straight pipe pressure balance type corrugated expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2874187Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615623A (en) * | 2013-11-28 | 2014-03-05 | 洛阳双瑞特种装备有限公司 | Expansion joint used for cyclone separator |
| CN103851295A (en) * | 2014-03-21 | 2014-06-11 | 江苏星光波纹管有限公司 | Expansion joint special for gas pipeline |
| CN110274117A (en) * | 2019-06-14 | 2019-09-24 | 洛阳双瑞特种装备有限公司 | A kind of straight tube restricted type expansion joint for transporting low temperature medium |
-
2005
- 2005-12-09 CN CN 200520142873 patent/CN2874187Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615623A (en) * | 2013-11-28 | 2014-03-05 | 洛阳双瑞特种装备有限公司 | Expansion joint used for cyclone separator |
| CN103615623B (en) * | 2013-11-28 | 2015-11-11 | 洛阳双瑞特种装备有限公司 | Cyclone separator means expansion joint |
| CN103851295A (en) * | 2014-03-21 | 2014-06-11 | 江苏星光波纹管有限公司 | Expansion joint special for gas pipeline |
| CN110274117A (en) * | 2019-06-14 | 2019-09-24 | 洛阳双瑞特种装备有限公司 | A kind of straight tube restricted type expansion joint for transporting low temperature medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2874187Y (en) | Three dimension straight pipe pressure balance type corrugated expansion joint | |
| CN202666656U (en) | Tower body with direct discharge chimney of combined type desulfurizing absorption tower | |
| WO2023226287A1 (en) | Heat exchanger having double-ended tie rod assembly | |
| CN202280993U (en) | Novel three-dimensional straight pipe pressure balance type corrugated expansion joint | |
| CN215674221U (en) | Vibration reduction pipe support for large-diameter torch gas pipeline | |
| CN212537109U (en) | Large-pull-rod transverse compound compensator | |
| CN200940754Y (en) | Special corrugated pipe expansion section for continuous reforming device | |
| CN210343651U (en) | Vacuum pump gas-liquid separator of vacuum pressure swing adsorption oxygen production equipment | |
| CN211936867U (en) | Quenching cooling hole structure | |
| CN210050404U (en) | Pressure-resistant stainless steel single-wall corrugated pipe | |
| CN201895417U (en) | Steam swivel joint for polypropylene film production line | |
| CN2848783Y (en) | Hanging bearing of spiral conveying machine | |
| CN206299902U (en) | A kind of steel pipe fixing structure | |
| CN105650396A (en) | Straight-tube pressure-balance type bellows expansion joint | |
| CN210179158U (en) | Large pull rod transverse expansion joint | |
| CN216682984U (en) | Vacuum box for shaping of pipe production line | |
| CN111501053A (en) | Cleaning method of corrugated pipe | |
| CN201443967U (en) | Air-pocket profiling sealing device of sintering machine | |
| CN201834073U (en) | Quick-disassembling breast board structure | |
| CN201218222Y (en) | Connection fixing device of long axis pump | |
| CN218564675U (en) | Polytetrafluoroethylene thin-walled tube | |
| CN201665690U (en) | Secondary filter of hot end smoke gas analysis instrument of steelmaking converter | |
| CN214305026U (en) | Ultrahigh pressure container test device | |
| CN201386878Y (en) | Detachable expansion joint used for thermal engineering pipeline | |
| CN203239705U (en) | Triangular bronze tube |
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: 20070228 Termination date: 20141209 |
|
| EXPY | Termination of patent right or utility model |