CN2240098Y - Buffering parallel pressure balance type corrugated compensator - Google Patents
Buffering parallel pressure balance type corrugated compensator Download PDFInfo
- Publication number
- CN2240098Y CN2240098Y CN 96231078 CN96231078U CN2240098Y CN 2240098 Y CN2240098 Y CN 2240098Y CN 96231078 CN96231078 CN 96231078 CN 96231078 U CN96231078 U CN 96231078U CN 2240098 Y CN2240098 Y CN 2240098Y
- Authority
- CN
- China
- Prior art keywords
- pressure balance
- bellows
- balance type
- corrugated
- pipes
- 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
- 230000003139 buffering effect Effects 0.000 title claims abstract description 5
- 210000002445 nipple Anatomy 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 3
- 239000004429 Calibre Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 210000004534 cecum Anatomy 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
A buffering parallel pressure balance type corrugated compensator comprises three corrugated pipes, wherein the effective area of one large corrugated pipe is equal to the sum of the effective areas of two small corrugated pipes, and the sizes of the two small corrugated pipes can be different. The connecting pipes at two ends are provided with no end plate, and the extending ends of the connecting pipes are connected with the corrugated pipe by T-shaped rib plates. The utility model discloses than current straight tube pressure balance type compensator and straight tube by pass pressure balance type compensator, the preparation technology is guaranteed easily, is particularly useful for moving towards complicacy, and the high altitude is laid, the large-span, the heavy-calibre, the medium flow velocity is high, needs big compensation, and the flow resistance is little, pipeline system that the bending resistance required height.
Description
The utility model relates to a kind of buffering pressure-balancing type FlexbleJoint in parallel, belongs to the line device technical field.
FlexbleJoint is extensively with the delivery line of gas, liquid medium in the systems such as drystoneization, metallurgy, electric power, heat supply network, to absorb the end thrust that the pipeline thermal distortion that caused by temperature variation and balance are caused by interior pressure.The single corrugated expansion joint of general straight-through type can only absorb thermal distortion and can not balancing axial thrust.Usually adopt straight pipe pressure-equalizing type compensator at present, form with upper connecting rod etc. by two small corrugated pipes and big bellows and three, though can absorb thermal distortion and balance end thrust, but two small corrugated pipes must be big or small just the same, the manufacture process requirement height, and bending resistance and reliability are relatively poor, and volume is big, and the compensation elastic reaction is big.Other has a kind of straight tube bypass type pressure-balancing type compensator, than the former remarkable progress is arranged, but has the cecum plate to exist in the straight tube, and is higher as velocity of medium, then can produce shock and vibration.
The purpose of this utility model is to overcome deficiency of the prior art, carry arch a kind of can absorb thermal distortion also can balancing axial thrust, and easy to manufacture, good reliability is avoided the buffering pressure-balancing type FlexbleJoint in parallel of impact shock.
The technical solution of the utility model is: cushion pressure-balancing type FlexbleJoint in parallel and be made of adapter, overcoat, ring flat-plate, end socket and two less work bellowss, a bigger balance bellows.It is characterized in that balance bellows and the parallel connection of a work bellows, both constitute air cavity between the tube wall, another work bellows one end with take over into sealed type and be connected, the other end becomes sealed type to be connected by ring flat-plate and overcoat, and balance bellows useful area equals two work bellows useful area sums.During work, two work bellowss are subjected to interior pressure, are stretching trend, and the balance bellows is subjected to external pressure, is compression trend.Thrust that both cause and pulling force act on outer putting simultaneously, and equal and opposite in direction, and direction is opposite, is able to balance.Two work bellows sizes can be the same, also can be different, guarantee easily during manufacturing.Overcoat and ring flat-plate intensity height, resistance to bending is strong, good reliability.
Above-mentioned air cavity links to each other with two pipe nipples by T shape gusset, and T shape gusset intensity is good, connects reliably, saves steel pipe, and cost is low.By the no cecum of pipe, be not subjected to MEDIA FLOW to impact friction.Air cavity only communicates with atmosphere by connecting tube, makes the bellows low voltage side remain barometric pressure, does not increase deformation resistance, and is stable and reliable for performance.Between ring flat-plate that links to each other with overcoat one end and the T shape gusset space is arranged, but slide relative helps compensator and absorbs thermal distortion.
Because said structure feature, the utility model are made easily, good reliability, can effectively absorb thermal distortion and balance end thrust, avoid impact shock, be particularly useful for moving towards complicated, high-altitude and lay big span, heavy caliber, the velocity of medium height needs large compensation, and flow resistance is little, flex resistance requires high, should not establish the pipeline system of main anchor.
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
Accompanying drawing is a structural representation of the present utility model.
As figure, balance bellows 5 and 6 parallel connections of work bellows constitute air cavity 10 between both tube walls, and this air cavity only communicates with atmosphere by connecting tube 9, links to each other with 8 with two pipe nipples 1 by T shape gusset 3.Another work bellows 2 one ends weld with taking over 1 one-tenth sealed type, and the other end is by ring flat-plate 11 and 4 one-tenth sealed types welding of overcoat.Overcoat 4 is by 8 one-tenth sealed types welding of end socket 7 and adapter.Between ring flat-plate 11 and the T shape gusset 3 space 12 is arranged.The latus rectum of balance bellows 5 is 550mm, and workpiece bellows 2 and 6 latus rectum are respectively 400mm and 350mm.
Claims (4)
1, a kind of buffering pressure-balancing type FlexbleJoint in parallel, constitute by adapter, overcoat, ring flat-plate, end socket and two less work bellowss, a bigger balance bellows, it is characterized in that balance bellows and the parallel connection of a work bellows, both constitute air cavity between the tube wall, another work bellows one end with take over into sealed type and be connected, the other end becomes sealed type to be connected by ring flat-plate and overcoat, and balance bellows useful area equals two work bellows useful area sums.
2, by the described FlexbleJoint of claim 1, it is characterized in that air cavity passes through T shape gusset and links to each other with two pipe nipples.
3, by the described FlexbleJoint of claim 1, it is characterized in that air cavity only communicates with atmosphere by connecting tube.
4, by the described FlexbleJoint of claim 2, it is characterized in that between ring flat-plate and the T shape gusset space being arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231078 CN2240098Y (en) | 1996-01-13 | 1996-01-13 | Buffering parallel pressure balance type corrugated compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96231078 CN2240098Y (en) | 1996-01-13 | 1996-01-13 | Buffering parallel pressure balance type corrugated compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2240098Y true CN2240098Y (en) | 1996-11-13 |
Family
ID=33908346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96231078 Expired - Fee Related CN2240098Y (en) | 1996-01-13 | 1996-01-13 | Buffering parallel pressure balance type corrugated compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2240098Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003778A1 (en) * | 2010-07-05 | 2012-01-12 | 浙江万龙机械有限公司 | Corrugated pipe sealing assembly and corrugated pipe valve having the same |
| CN102818083A (en) * | 2012-09-04 | 2012-12-12 | 航天晨光股份有限公司 | Internal and external pressure mixed type straight pipe pressure balance flexible connecting pipe |
| CN105650396A (en) * | 2016-04-06 | 2016-06-08 | 中科合成油工程股份有限公司 | Straight-tube pressure-balance type bellows expansion joint |
| CN109405389A (en) * | 2017-08-18 | 2019-03-01 | 江苏斯诺物联科技有限公司 | A kind of Cold Chain Logistics haulage truck temperature control system |
-
1996
- 1996-01-13 CN CN 96231078 patent/CN2240098Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003778A1 (en) * | 2010-07-05 | 2012-01-12 | 浙江万龙机械有限公司 | Corrugated pipe sealing assembly and corrugated pipe valve having the same |
| CN102818083A (en) * | 2012-09-04 | 2012-12-12 | 航天晨光股份有限公司 | Internal and external pressure mixed type straight pipe pressure balance flexible connecting pipe |
| CN102818083B (en) * | 2012-09-04 | 2014-12-17 | 航天晨光股份有限公司 | Internal and external pressure mixed type straight pipe pressure balance flexible connecting pipe |
| CN105650396A (en) * | 2016-04-06 | 2016-06-08 | 中科合成油工程股份有限公司 | Straight-tube pressure-balance type bellows expansion joint |
| CN105650396B (en) * | 2016-04-06 | 2018-02-02 | 中科合成油工程股份有限公司 | A kind of straight-tube pressure-balance expansion bellow |
| CN109405389A (en) * | 2017-08-18 | 2019-03-01 | 江苏斯诺物联科技有限公司 | A kind of Cold Chain Logistics haulage truck temperature control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |