CN2380780Y - Pressure-adjointed straight-through axial-pressure balancing corrugation compensator - Google Patents
Pressure-adjointed straight-through axial-pressure balancing corrugation compensator Download PDFInfo
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- CN2380780Y CN2380780Y CN 99228628 CN99228628U CN2380780Y CN 2380780 Y CN2380780 Y CN 2380780Y CN 99228628 CN99228628 CN 99228628 CN 99228628 U CN99228628 U CN 99228628U CN 2380780 Y CN2380780 Y CN 2380780Y
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- ring flat
- plate
- bellows
- balance
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Abstract
The utility model relates to a bit shift compensation device of heating power pipes, which comprises two end connection pipes, a work corrugated pipe is arranged between the two end connection pipes, and the connection pipes and the work corrugated pipe can form a clear medium path. The utility model is characterized in that the outer walls of the two end connection pipes are connected with at least one pressure tank via a force transferring connection frame corresponding to the work corrugated pipe on the peripheral position. The pressure tank is a closed vessel with balance corrugated pipes, and the pressure tank is communicated with the medium path via a connecting pipe. The utility model is suitable for being used in the occasion of overhead pipes with large compensation, little rigidity and little current resistance or the occasion which is not convenient for arranging main fixing supports.
Description
The utility model relates to a kind of heat distribution pipeline motion compensator, belongs to heat distribution pipeline bit shift compensation device.
At present, the compensator that is used for the axial thermal walking of extraction duct has three types basically: universal (claiming axialmode again), straight pipe pressure-equalizing type and bypass pressure balance type.Though these three kinds of FlexbleJoints can both absorb axial displacement effectively, because function is not too comprehensive, thereby causes that the some shortcomings part is all arranged on the structure, so certain narrow limitation is all arranged in application separately.Universal FlexbleJoint is a kind of no restricted type compensator of absorption axial displacement commonly used, but it can not balance blind plate power, can main anchor need be set to the fixed support thrust of exerting pressure.For pipeline built on stilts lower, the medium working pressure is less or device load-bearing capability when reaching main anchor more greatly and being easy to be provided with, the both economical practicality often of universal FlexbleJoint.But, when Pipe frame outage and device load-bearing capability hang down, tend to cause that because of the restriction of device load-bearing capability or because of thrust is excessive the rapid rising of main anchor manufacture cost has limited the use of universal compensator if the medium working pressure is higher.Straight pipe pressure-equalizing type FlexbleJoint is for there being the restricted type compensator, and it is to the fixed support thrust of not exerting pressure.It is made up of the work bellows at two ends and balance bellows and the Force transmission parts that places middle useful area to equal work bellows twice.Its characteristics are: a, to equipment and the support thrust of not exerting pressure; B, compensation rate are less relatively; C, global stiffness are very big; D, axial dimension is big and bulky; E, flow resistance loss are little.Because its special structures shape when using straight pipe pressure-equalizing type compensator, can not established main anchor at these compensator two ends.But its rigidity power is big time support bracket fastened cost is improved greatly, thereby straight pipe pressure-equalizing type FlexbleJoint is big in compensation rate, and rigidity is little etc., and occasion just can not be used.Bypass type pressure-balancing type FlexbleJoint is for there being the restricted type compensator, and it is the patented product (patent No. is ZL96203430.4) of my company's development.This compensator is made up of with balance bellows (balance bellows useful area is identical with the work bellows) and the Force transmission parts annular channel outer with being placed in the balance bellows the work bellows, these compensator characteristics are that rigidity is less, compensation rate is big, to the fixed support thrust of not exerting pressure, but the flow resistance loss during the medium circulation is bigger.However, when system requires flow resistance loss under the undemanding situation, because its rigidity is little, compensation rate is big, thus can be used in preceding two kinds of inapplicable occasions of compensator quite satisfactorily, thereby in all kinds of engineerings, be widely used.But requiring under the little situation of flow resistance loss, bypass type pressure-balancing type compensator is used and is restricted.
The purpose of this utility model is exactly to provide a kind of deficiency that has overcome above-mentioned three kinds of axialmode compensators in order to address the above problem, and has highly versatile, companion's straightening general formula axial pressure balance FlexbleJoint of widely applicable and reliable working performance.
Technical solution of the present utility model:
A kind of companion's straightening general formula axial pressure balance FlexbleJoint, it includes two pipe nipples, be provided with the work bellows between two pipe nipples, they form a unimpeded medium channel, the position that it is characterized in that corresponding work bellows periphery, be connected with at least one forbay at two pipe nipple outer walls by the power transmission link press span, this forbay is the seal container that has the balance bellows, and forbay and aforementioned medium channel are communicated with by PRESSURE PIPE.
The utility model has been designed and developed a kind of novel " the balanced compensated device of companion's straightening general formula axial pressure " at the deficiency of above three kinds of axialmode FlexbleJoints.The measure that it adopts is to have the forbay of bellows at uniform several of service aisle bellows periphery, with small-bore PRESSURE PIPE pressure medium is introduced forbay, and by Force transmission parts balance pressure thrust, the advantage of the concentrated above-mentioned three kinds of compensators of this compensator, the shortcoming of having got rid of above-mentioned three kinds of compensators has simultaneously solved above-mentioned three kinds of compensators effectively and has used restricted problem.The utlity model has that guidance quality is good, good stability, compensation rate is big, rigidity is little, flow resistance loss is little, especially axial dimension is less and support or equipment are not had pressure thrust apply for boundary dimension, so advantages such as main anchor need be set.Particularly at the aerial pipeline that requires large compensation amount, little rigidity and little flow resistance loss or to be not easy to be provided with the occasion of main anchor the most suitable.
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is the structural representation of the utility model two forbays;
Fig. 2 is the cross section structure schematic representation of Fig. 1;
Fig. 3 is the structural representation of the utility model three forbays;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation that the utility model adopts the pilot hard tube to be communicated with;
Fig. 6 is the structural representation that the utility model adopts the pilot soft pipe connection.
As Fig. 1-4, this practical the utility model includes two pipe nipples 1, be provided with work bellows 2 between two pipe nipples 1, they form a unimpeded medium channel 3, characteristics of the present utility model are, the position of corresponding work bellows 2 peripheries is connected with at least one forbay 5 by power transmission link press span 4 at two pipe nipples, 1 outer wall, this forbay 5 is for having the seal container of balance bellows 6, and forbay 5 and aforementioned medium channel 3 are communicated with by PRESSURE PIPE 7.
Forbay 5 of the present utility model can be by two nipples 8, two end sockets 9 and balance bellows 6 constitute, balance bellows 6 can be one, also a plurality of, it is determined according to the requirement in compensation rate and life-span, it is connected between two nipples 8, and the outer end of two nipples 8 all is connected with end socket 9 separately, forms a seal container.Forbay 5 also can directly be formed seal container by the end socket 9 at balance bellows 6 and two ends.The number of forbay is preferably 2-3, and they are evenly distributed on the circle peripheral position of work bellows 2.Fig. 1,2 is the situation of two forbays, and Fig. 3,4 is the situation of three forbays.
Power transmission link press span 4 of the present utility model can be by a left side, two pairs on the right side is big, little ring flat- plate 10,10 ', 11,11 ', stiffening rib 12, a left side, right load ring flat-plate 13,13 ' and dowel bar 14,14 ' constitute, a left side, right two little ring flat-plates 11,11 ' be fixed on the outer end outer wall of two pipe nipples 1, a left side, right two big ring flat-plates 10,10 ' be fixed on the inner outer wall of two pipe nipples 1, on the outer wall of the two ends of forbay 5, be fixed with a left side respectively, right load ring flat-plate 13,13 ', left side load ring flat-plate 13 is by one group of dowel bar 14 and right big ring flat-plate 10 ' be connected, right load ring flat-plate 13 ' by another group dowel bar 14 ' be connected with the big ring flat-plate 10 in a left side, big ring flat-plate 10 of a left little ring flat-plate 11 and a left side and right little ring flat-plate 11 ' and right ring flat-plate 10 greatly ' between all be connected with separately stiffening rib 12.
The utility model is owing to mainly be made up of service aisle 3, a plurality of forbay 5, PRESSURE PIPE 7 and power transmission link press span 4 and steam trap connection, wherein service aisle 3 is made of two pipe nipples 1, work bellows 2 and guide shell 15, thereby the advantage that has kept the flow resistance loss minimum, respectively being welded one group in the outside of two pipe nipples 1 has the power transmission link press span 4 of reinforcer.Forbay 5 is by array balance bellows 6, several to end socket 9 and several load ring flat-plate 13 is constituted, each forbay 5 all be one independently, telescopic airtight casing.The useful area sum of balance bellows 6 equals the useful area of work bellows 2 on the forbay 5.The forbay 5 that pressure medium is introduced separately by several PRESSURE PIPE 7 from the adapter 1 of service aisle 3.By the pressure thrust sum to the right that pressure medium right-hand member in forbay 5 produces, the right load ring flat-plate 13 through being fixed on forbay 5 ' with the big ring flat-plates 10 in service aisle 3 left sides between dowel bars 14 ' be delivered to service aisle 3 left ends and with the pressure thrust balance left of medium generation on work bellows 2.See the F among Fig. 1,3
The P right sideAnd F
A G left sideIn like manner, the balance thrust F on the forbay 5
A P left sidePressure thrust F on sum and the work bellows 2
The G right sideBalance.Because the forbay 5 that balance is used evenly distributes around service aisle 3, so the mechanical stability of the utility model structure is fabulous.
When work bellows 2 absorbs the pipeline compressed while of thermal walking, under the drive of array dowel bar 14, balance bellows 6 equivalent on the forbay 5 are stretched.Thereby guarantee that the utility model realizes its compensate function.
In addition, in case place the forbay 5 interior condensed fluids that produce of pipeline below, then available steam trap connection 16 is in time discharged, and can avoid " water hammer " fully.
Claims (5)
1, a kind of companion's straightening general formula axial pressure balance FlexbleJoint, it includes two pipe nipples, be provided with the work bellows between two pipe nipples, they form a unimpeded medium channel, the position that it is characterized in that corresponding work bellows periphery, be connected with at least one forbay at two pipe nipple outer walls by the power transmission link press span, this forbay is the seal container that has the balance bellows, and forbay and aforementioned medium channel are communicated with by PRESSURE PIPE.
2, companion's straightening general formula axial pressure balance FlexbleJoint according to claim 1, it is characterized in that described forbay is by two nipples, two end sockets and balance bellows constitute, the balance bellows is one, or it is a plurality of, it is connected between two nipples, and the outer end of two nipples all is connected with end socket separately, forms a seal container; Perhaps, forbay is directly formed seal container by the end socket at balance bellows and two ends.
3, companion's straightening general formula axial pressure balance FlexbleJoint according to claim 1, the number that it is characterized in that forbay are 2-3, and they are evenly distributed on the circle peripheral position of work bellows.
4, companion's straightening general formula axial pressure balance FlexbleJoint according to claim 1, it is characterized in that described power transmission link press span is by a left side, two pairs on the right side is big, little ring flat-plate, stiffening rib, a left side, right load ring flat-plate and dowel bar constitute, a left side, right two little ring flat-plates are fixed on the outer end outer wall of two pipe nipples, a left side, right two big ring flat-plates are fixed on the inner outer wall of two pipe nipples, on the outer wall of the two ends of forbay, be fixed with a left side respectively, right load ring flat-plate, left side load ring flat-plate is connected by one group of dowel bar and right big ring flat-plate, right load ring flat-plate is connected by another group dowel bar and the big ring flat-plate in a left side, all is connected with stiffening rib separately between big ring flat-plate of a left little ring flat-plate and a left side and right little ring flat-plate and the right big ring flat-plate.
5, companion's straightening general formula axial pressure balance FlexbleJoint according to claim 1 is characterized in that described PRESSURE PIPE adopts hard tube, the right side that it should be connected the work bellows take over and the left nipple of balance bellows between; PRESSURE PIPE or adopt flexible pipe, the left side that it is connected the work bellows take over and the left nipple of balance bellows between, the right side that perhaps all connects them is taken over.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99228628 CN2380780Y (en) | 1999-02-05 | 1999-06-16 | Pressure-adjointed straight-through axial-pressure balancing corrugation compensator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99227262 | 1999-02-05 | ||
| CN99227262.9 | 1999-02-05 | ||
| CN 99228628 CN2380780Y (en) | 1999-02-05 | 1999-06-16 | Pressure-adjointed straight-through axial-pressure balancing corrugation compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2380780Y true CN2380780Y (en) | 2000-05-31 |
Family
ID=34066141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99228628 Expired - Fee Related CN2380780Y (en) | 1999-02-05 | 1999-06-16 | Pressure-adjointed straight-through axial-pressure balancing corrugation compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2380780Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610789A (en) * | 2020-12-25 | 2021-04-06 | 亿昇(天津)科技有限公司 | Corrugated pipe |
| CN115046065A (en) * | 2022-06-01 | 2022-09-13 | 中船双瑞(洛阳)特种装备股份有限公司 | Straight pipe pressure balance type bellows expansion joint with distributing type floating structure |
-
1999
- 1999-06-16 CN CN 99228628 patent/CN2380780Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610789A (en) * | 2020-12-25 | 2021-04-06 | 亿昇(天津)科技有限公司 | Corrugated pipe |
| CN115046065A (en) * | 2022-06-01 | 2022-09-13 | 中船双瑞(洛阳)特种装备股份有限公司 | Straight pipe pressure balance type bellows expansion joint with distributing type floating structure |
| CN115046065B (en) * | 2022-06-01 | 2024-01-19 | 中船双瑞(洛阳)特种装备股份有限公司 | Straight pipe pressure balance type corrugated pipe expansion joint with distributed floating structure |
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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 |