CN104344145A - Elbow pressure balancing expansion joint - Google Patents
Elbow pressure balancing expansion joint Download PDFInfo
- Publication number
- CN104344145A CN104344145A CN201310314207.1A CN201310314207A CN104344145A CN 104344145 A CN104344145 A CN 104344145A CN 201310314207 A CN201310314207 A CN 201310314207A CN 104344145 A CN104344145 A CN 104344145A
- Authority
- CN
- China
- Prior art keywords
- bellows
- work
- group
- expansion joint
- bend pipe
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/03—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube comprising two or more bellows
- F16L51/035—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube comprising two or more bellows for cancelling the axial loading resulting from fluid pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses an elbow pressure balancing expansion joint. The elbow pressure balancing expansion joint comprises a first group of working corrugated pipe, a second group of working corrugated pipe, a middle connecting pipe arranged between the first group of working corrugated pipe and the second group of working corrugated pipe, a balancing corrugated pipe, and a tee joint arranged between the second group of working corrugated pipe and the balancing corrugated pipe. The inner side of the first group of working corrugated pipe is provided with a first working draft tube, and the inner side of the second group of working corrugated pipe is provided with a second working draft tube. By respectively arranging one working draft tube inside the two groups of working corrugated pipes, the elbow pressure balancing expansion joint can eliminate impact of mediums to the working corrugated pipes; meanwhile, each working draft tube is small in length and size, thereby being convenient to mount and dismount and low in production and maintenance cost.
Description
Technical field
The present invention relates to a kind of pipe connector, be specifically related to a kind of bend pipe pressure balance type expansion joint.
Background technique
Bend pipe pressure balance type expansion joint is that a kind of absorption axes that is mainly used in is to balancing the expansion joint of ripple pipe pressure, thrust with transverse combination displacement.Two work bellowss that bend pipe pressure balance type expansion joint is generally connected by a work bellows or intervalve and the structural member such as a balance bellows and threeway, end socket, rod assembly, end plate form.The turbulent flow that the flow velocity of conveyance conduit medium, changes in flow rate and medium produce in expansion joint can form certain impact to bellows, for this situation, prior art arranges guide shell in the inner side of work bellows, flow with better boot media, reduce the impact to bellows, avoid it to lose efficacy.
Chinese utility model patent CN201513665U discloses a kind of bend pipe pressure balance type expansion joint of new structure, mainly comprise two groups of work bellowss, balance bellows, the pipe nipple at two ends and spring assembly, be provided with universal double-jointed hinge plate and ratio connecting rod means simultaneously; Wherein said universal double-jointed hinge plate is made up of the short hinge plate connected by crosshead, band andgudgeon carrier bar, and universal double-jointed hinge plate is fixed by the pipe nipple at expansion joint two ends; Described ratio connecting rod means is arranged between two groups of work bellowss, and its one end is connected with pipe nipple by end ring flat-plate, and the other end is connected with threeway; Described spring assembly adopts external hanging type, and namely its one end is connected with the pipe nipple at flue gas turbine inlet place by end ring flat-plate, and the other end is connected with platform support.Two groups of described work bellowss share a work guide shell.The utility model solves expansion joint pipe nipple distortion in prior art, the vibration of bellows deformation, intervalve preferably, improves the problem such as stressed of cigarette machine equipment.But two of this model utility groups of work bellowss share work guide shells, this work guide shell is simultaneously across the inner side of the intervalve of two groups of work bellowss and centre thereof, and length dimension is comparatively large, dismounting is inconvenient, produce and maintenance cost high.
Summary of the invention
The object of the invention is to provide that a kind of structure is simple, easy accessibility, production and the low bend pipe pressure balance type expansion joint of maintenance cost.
For achieving the above object, the technical solution used in the present invention is: a kind of bend pipe pressure balance type expansion joint, comprise first group of work bellows, second group of work bellows, the threeway being located at middle adapter between first and second group work bellows described, balance bellows and being located between described second group of work bellows and balance bellows, the inner side of described first group of work bellows is provided with the first work guide shell, and the inner side of described second group of work bellows is provided with the second work guide shell.
Preferably, described threeway is connected by bend pipe and transition tube and forms, and the oral area of described bend pipe is the medium inlet of this bend pipe pressure balance type expansion joint;
End and the described middle adapter of the close described balance bellows of described first work guide shell touch, and end and the described threeway of the close described balance bellows of described second work guide shell touch.
In technique scheme, the inner side of described balance bellows is provided with balancing work guide shell.
Preferably, first and second group work bellows described all adopts thin-walled twin-layer structure.
Described balance bellows adopts thin-walled twin-layer structure.
In technique scheme, the side relative with described middle adapter of described first group of work bellows is connected with left adapter, and the outside of this left adapter is provided with left ring flat-plate;
The side relative with described threeway of described balance bellows is provided with right adapter, and the outside of this right adapter is provided with right ring flat-plate;
The outside of described middle adapter is provided with 3 ~ 6 guide plates;
Described bend pipe pressure balance type expansion joint also comprises 3 ~ 6 successively through the large pull bar of described left ring flat-plate, guide plate and right ring flat-plate.
In technique scheme, the two ends of described large pull bar are connected respectively by the fastener assembly be made up of thin nut, Ball faced nut and taper faced washer and described left and right ring flat-plate.
Preferably, the outside of described middle adapter is circumferentially provided with 4 described guide plates, and described bend pipe pressure balance type expansion joint comprises 4 described large pull bars;
The right side of the described left side of left ring flat-plate, the both sides of guide plate and right ring flat-plate is equipped with gusset.
In technique scheme, the outside of first and second group work bellows described and balance bellows is respectively equipped with 4 lower link bars.
Further technological scheme, the two ends of the described lower link bar outside described first group of work bellows are connected with middle adapter with the left ring flat-plate being positioned at these first group of work bellows both sides respectively;
The two ends of the described lower link bar outside described second group of work bellows are connected with threeway with the middle adapter being positioned at these second group of work bellows both sides respectively;
The two ends of the described lower link bar outside described balance bellows are connected with right ring flat-plate with the transition tube being positioned at these balance bellows both sides respectively.
Because technique scheme is used, the advantage that the present invention compared with prior art has is:
1. two groups of work bellows inner sides separately of the present invention are provided with a work guide shell, eliminate medium to work bellows impact, and each work guide shell length dimension little, easy accessibility, produce and maintenance cost low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention one;
Fig. 2 is the enlarged view of guide plate plan view in embodiment one;
Wherein: 1, left adapter; 2, thin nut; 3, Ball faced nut 4, taper faced washer; 5, left ring flat-plate 6, first group of work bellows; 7, middle adapter; 8, guide plate; 9, the first work guide shell; 10, large pull bar; 11, bend pipe; 12, transition tube; 13, gusset; 18, bellows is balanced; 22, lower link bar; 23, second group of work bellows; 24, the second work guide shell; 25, right adapter; 26, right ring flat-plate.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment one: shown in Figure 1, a kind of bend pipe pressure balance type expansion joint, comprise first group of work bellows, 6, second group of work bellows 23, be located at described first work bellows 6 and second group of work bellows 23 between middle adapter 7, balance bellows 18 and be located at described second group of work bellows 23 and balance bellows 18 between threeway, the inner side of described first group of work bellows 6 is provided with the first work guide shell 9, and the inner side of described second group of work bellows 23 is provided with the second work guide shell 24.
The side relative with described middle adapter 7 of described first group of work bellows 6 is connected with left adapter 1, and the outside of this left adapter 1 is provided with left ring flat-plate 5; The side relative with described threeway of described balance bellows 18 is provided with right adapter 25, and the outside of this right adapter 25 is provided with right ring flat-plate 26; The outside of described middle adapter 7 is provided with 4 circumferentially uniform guide plates 8, and its structure as shown in Figure 2; The right side of the left side of described left ring flat-plate 5, the both sides of guide plate 8 and right ring flat-plate 26 is equipped with gusset 13.
Described bend pipe pressure balance type expansion joint also comprises 4 successively through the large pull bar 10 of described left ring flat-plate 5, guide plate 8 and right ring flat-plate 26, and described in each, the two ends of large pull bar 10 are connected respectively by the fastener assembly be made up of thin nut 2, Ball faced nut 3 and taper faced washer 4 and described left ring flat-plate 5, right ring flat-plate 26.
Described threeway is connected by bend pipe 11 and transition tube 12 and forms, and in the present embodiment, the oral area of described bend pipe 11 is the medium inlet of this bend pipe pressure balance type expansion joint, and the left port of described left adapter 1 is media outlet.
For adapting to the flow direction of medium, end and the described middle adapter 7 of the close described balance bellows 18 of described first work guide shell 9 touch, and end and the described threeway of the close described balance bellows 18 of described second work guide shell 24 touch.
The inner side of described balance bellows 18 also can arrange balancing work guide shell as required.
Described first group of work bellows 6, second group of work bellows 23, balance bellows 18 all adopt thin-walled twin-layer structure.
The outside of described first group of work bellows 6, second group of work bellows 23 and balance bellows 18 is respectively equipped with 4 circumferentially uniform lower link bars 22.
Wherein, the two ends of the described lower link bar 22 outside described first group of work bellows 6 are connected with middle adapter 7 with the left ring flat-plate 5 being positioned at these first group of work bellows 6 both sides respectively.
The two ends of the described lower link bar 22 outside described second group of work bellows 23 are connected with threeway with the middle adapter 7 being positioned at these second group of work bellows 23 both sides respectively.
The two ends of the described lower link bar 22 outside described balance bellows 18 are connected with right ring flat-plate 26 with the transition tube 12 being positioned at these balance bellows 18 both sides respectively.
Two groups of work bellows inner sides separately of the present invention are provided with a work guide shell, eliminate medium to work bellows impact, and each work guide shell length dimension little, easy accessibility, produce and maintenance cost low.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvement or replacement, these improve or replace and also should be considered as protection scope of the present invention.
Claims (10)
1. a bend pipe pressure balance type expansion joint, comprise first group of work bellows (6), second group of work bellows (23), be located at described first, two groups of work bellowss (6, 23) middle adapter (7) between, balance bellows (18), and the threeway be located between described second group of work bellows (23) and balance bellows (18), it is characterized in that: the inner side of described first group of work bellows (6) is provided with the first work guide shell (9), the inner side of described second group of work bellows (23) is provided with the second work guide shell (24).
2. bend pipe pressure balance type expansion joint according to claim 1, it is characterized in that: described threeway is connected by bend pipe (11) and transition tube (12) and forms, and the oral area of described bend pipe (11) is the medium inlet of this bend pipe pressure balance type expansion joint;
End and the described middle adapter (7) of the close described balance bellows (18) of described first work guide shell (9) touch, and end and the described threeway of the close described balance bellows (18) of described second work guide shell (24) touch.
3. bend pipe pressure balance type expansion joint according to claim 1 and 2, is characterized in that: the inner side of described balance bellows (18) is provided with balancing work guide shell.
4. bend pipe pressure balance type expansion joint according to claim 1, is characterized in that: first and second group work bellows (6,23) described all adopts thin-walled twin-layer structure.
5. bend pipe pressure balance type expansion joint according to claim 1 and 2, is characterized in that: described balance bellows (18) adopts thin-walled twin-layer structure.
6. bend pipe pressure balance type expansion joint according to claim 1, it is characterized in that: the side relative with described middle adapter (7) of described first group of work bellows (6) is connected with left adapter (1), the outside of this left adapter (1) is provided with left ring flat-plate (5);
The side relative with described threeway of described balance bellows (18) is provided with right adapter (25), and the outside of this right adapter (25) is provided with right ring flat-plate (26);
The outside of described middle adapter (7) is provided with 3 ~ 6 guide plates (8);
Described bend pipe pressure balance type expansion joint also comprises 3 ~ 6 successively through the large pull bar (10) of described left ring flat-plate (5), guide plate (8) and right ring flat-plate (26).
7. bend pipe pressure balance type expansion joint according to claim 6, it is characterized in that: the two ends of described large pull bar (10) are connected respectively by the fastener assembly be made up of thin nut (2), Ball faced nut (3) and taper faced washer (4) and described left and right ring flat-plate (5,26).
8. bend pipe pressure balance type expansion joint according to claim 6, it is characterized in that: the outside of described middle adapter (7) is circumferentially provided with 4 described guide plates (8), described bend pipe pressure balance type expansion joint comprises 4 described large pull bars (10);
The right side of the left side of described left ring flat-plate (5), the both sides of guide plate (8) and right ring flat-plate (26) is equipped with gusset (13).
9. bend pipe pressure balance type expansion joint according to claim 1, is characterized in that: the outside of first and second group work bellows (6,23) described and balance bellows (18) is respectively equipped with 4 lower link bars (22).
10. bend pipe pressure balance type expansion joint according to claim 9, is characterized in that: the two ends of the described lower link bar in described first group of work bellows (6) outside are connected with middle adapter with the left ring flat-plate being positioned at these first group of work bellows (6) both sides respectively;
The two ends of the described lower link bar in described second group of work bellows (23) outside are connected with threeway with the middle adapter being positioned at these second group of work bellows (23) both sides respectively;
The two ends of the described lower link bar in described balance bellows (18) outside are connected with right ring flat-plate with the transition tube being positioned at these balance bellows (18) both sides respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314207.1A CN104344145A (en) | 2013-07-25 | 2013-07-25 | Elbow pressure balancing expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310314207.1A CN104344145A (en) | 2013-07-25 | 2013-07-25 | Elbow pressure balancing expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104344145A true CN104344145A (en) | 2015-02-11 |
Family
ID=52500347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310314207.1A Pending CN104344145A (en) | 2013-07-25 | 2013-07-25 | Elbow pressure balancing expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104344145A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989905A (en) * | 2015-07-10 | 2015-10-21 | 秦皇岛北方管业有限公司 | Compactly-combined expansion joint with inlet and outlet perpendicular to each other |
| CN106678483A (en) * | 2017-02-10 | 2017-05-17 | 南京晨光东螺波纹管有限公司 | Pull rod combination device connected with equipment |
| CN109114005A (en) * | 2018-10-30 | 2019-01-01 | 江苏双达泵业股份有限公司 | A kind of high temperature submerged pump |
| CN110762310A (en) * | 2019-11-20 | 2020-02-07 | 沈阳晨光弗泰波纹管有限公司 | High-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifice |
-
2013
- 2013-07-25 CN CN201310314207.1A patent/CN104344145A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989905A (en) * | 2015-07-10 | 2015-10-21 | 秦皇岛北方管业有限公司 | Compactly-combined expansion joint with inlet and outlet perpendicular to each other |
| CN104989905B (en) * | 2015-07-10 | 2017-05-03 | 秦皇岛北方管业有限公司 | Compactly-combined expansion joint with inlet and outlet perpendicular to each other |
| CN106678483A (en) * | 2017-02-10 | 2017-05-17 | 南京晨光东螺波纹管有限公司 | Pull rod combination device connected with equipment |
| CN109114005A (en) * | 2018-10-30 | 2019-01-01 | 江苏双达泵业股份有限公司 | A kind of high temperature submerged pump |
| CN109114005B (en) * | 2018-10-30 | 2024-02-13 | 江苏双达泵业股份有限公司 | High-temperature submerged pump |
| CN110762310A (en) * | 2019-11-20 | 2020-02-07 | 沈阳晨光弗泰波纹管有限公司 | High-flexibility anti-loss pressure-stabilizing balanced expansion joint for connecting sensitive equipment pipe orifice |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104344145A (en) | Elbow pressure balancing expansion joint | |
| CN201661811U (en) | Coaxial two-way external compression type expansion joint | |
| CN202972355U (en) | Pressure balanced expansion joint for self-load bearing elbow pipe | |
| CN203431400U (en) | Bend pressure balanced expansion joint | |
| CN201753711U (en) | Vacuum generator | |
| CN111237571A (en) | Energy dissipation type right-angle hydraulic pipe joint | |
| CN203430739U (en) | Natural gas compressor buffer tank pipe connecting structure | |
| CN102230559B (en) | Petroleum and petrochemical torch horizontal pipeline deformation compensation method and system based on rotary compensator | |
| CN202118431U (en) | Branching type deformation compensation system for petroleum and petrochemical flare horizontal pipeline based on rotary compensators | |
| CN204692883U (en) | A kind of corrugated expansion joint | |
| CN206055051U (en) | A kind of composite plane hinge straight pipe pressure-balancing type expansion joint of staged arm-tie | |
| CN109665254B (en) | Thin-wall pipe penetrating and conveying device | |
| CN203068045U (en) | Curved pipe pressure balance compensator | |
| CN104747842B (en) | Universal displacement connecting device of thermodynamic pipeline | |
| CN202660140U (en) | Protective type internal and external pressure balance compensator | |
| CN205824465U (en) | High flexibility anti-accumulated powder straight-pipe pressure balanced expansion joint | |
| CN205991277U (en) | A kind of straight pipe pressure-balancing type expansion joint based on inside and outside force combination operating mode | |
| CN204300596U (en) | Air cooling pipeline BHU expansion joint | |
| CN208378917U (en) | A kind of blast furnace air inlet device of controllable air inlet | |
| CN203002348U (en) | Pipeline compensation device for digital sulfur fumigation neutralizer | |
| CN202400493U (en) | Air inlet pipe for bulk powder goods tanker | |
| CN204026022U (en) | The axial FlexbleJoint of self-supporting | |
| CN107575689A (en) | A kind of pipeline compensator | |
| CN201944476U (en) | Bypassing balanced compensator for communicating pipes refraining from erosion and vibration | |
| CN202250269U (en) | Low-pressure communicating pipe structure in steam turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: JIANGSU AOPUTE MACHINERY CO., LTD. Document name: Notification of before Expiration of Request of Examination as to Substance |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150211 |