CN208982784U - Supporting arrangement for reactor flexible elongate tubular - Google Patents
Supporting arrangement for reactor flexible elongate tubular Download PDFInfo
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- CN208982784U CN208982784U CN201821238139.XU CN201821238139U CN208982784U CN 208982784 U CN208982784 U CN 208982784U CN 201821238139 U CN201821238139 U CN 201821238139U CN 208982784 U CN208982784 U CN 208982784U
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- elongate tubular
- flexible elongate
- elastic component
- supporting arrangement
- bearing
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Abstract
The utility model relates to a kind of supporting arrangement for reactor flexible elongate tubular, supporting arrangement includes pipe clamp, supporting device.Pipe clamp is mounted on flexible elongate tubular, and supporting device one end is connect with pipe clamp, other end fixed setting.The setting of supporting device elastically deformable, to discharge shock loading suffered by flexible elongate tubular.Supporting arrangement is for carrying various load suffered by marine environment reactor flexible elongate tubular, bearing had both met thermal expansion, the thermal walking requirement of flexible elongate tubular, it is able to satisfy again simultaneously and adapts to long time period sexual intercourse varying load and external impact load under marine environment, optimize the stress of flexible elongate tubular, fatigue failure is avoided, equipment dependability is improved.Each supporting device of supporting arrangement angled arrangement can be installed in small space, it is ensured that the load transmission of flexible elongate tubular in three-dimensional space.Waving when the displacement of the low speed such as operating condition occurs in thermal expansion, low speed allows flexible elongate tubular free wxpansion, discharges thermal stress and certain periodical alternating load.
Description
Technical field
The utility model relates to technical field of nuclear power, more specifically to a kind of branch for reactor flexible elongate tubular
Bearing apparatus.
Background technique
Cold and hot variation is had when reactor operation, temperature change causes equipment to generate thermal expansion and thermal walking.
Flexible elongate tubular (such as Surge line piping) and the direct phase of reactor vessel (such as voltage-stablizer and steam generator) pressure inlet
Even, when reactor is in cold conditions, flexible elongate tubular is in cold position.When heap is piled up in reaction, flexible elongate tubular temperature gradually on
It rises, flexible elongate tubular generates expansion and thermal walking occurs for axis.In the variation of reactor cold and hot state, flexible elongate tubular pipeline can be certainly
Swollen generation thermal walking；Under accident conditions, enormous impact will cause the violent whipping of flexible elongate tubular.
Flexible elongate tubular is run under marine environment, except medium-weight contained by weight of equipment, equipment and media flow are produced
Outside raw dead load, also it has been superimposed and has continued existing periodical alternating load.The load makes flexible elongate tubular by lasting alternation
Inertia force effect may cause equipment or bearing fatigue failure.In addition, external impact load makes flexible elongate tubular by biggish wink
When inertia force.
Flexible elongate tubular itself is an elongated bending bearing pipe, is welded by several segments and itself rigidity is lower,
There is cut risk under ocean alternating load and impact loading.Therefore it is swollen to need to discharge heat for flexible elongate tubular support arrangement mode
Swollen, limiting displacement prevents whipping.
Utility model content
The technical problem to be solved by the present invention is to provide one kind for reactor flexible elongate tubular and can optimize soft
The stress of property long tube, the supporting arrangement for avoiding fatigue failure.
The technical scheme adopted by the utility model to solve the technical problem is as follows: constructing a kind of for reactor flexible elongate tubular
Supporting arrangement, including pipe clamp, supporting device；
The pipe clamp is mounted on the flexible elongate tubular, and described supporting device one end is connect with the pipe clamp, and the other end is solid
Fixed setting；
The supporting device is elastic deformation structure, to discharge shock loading suffered by the flexible elongate tubular.
Preferably, the supporting device includes carrying out the first bearing assembly of elastic bearing in vertical direction.
Preferably, first bearing assembly include can elastic telescopic elastic component and the cylinder that is set in outside the elastic component
Shape body, the upper end of the elastic component are connect with the pipe clamp, and lower end is fixedly mounted.
Preferably, first bearing assembly further includes the position restrainer for limiting the deflection that the elastic component deforms downwards
Structure.
Preferably, the position-limit mechanism includes the locating part being vertically arranged, one end fixed setting of the locating part；
The other end of the locating part is located between the top and bottom of the elastic component, end corresponding with the elastic component
The deformation section for the elastic component compressive deformation is formed between portion.
Preferably, the upper end of the locating part and the upper end of the elastic component are located by connecting, and lower end is vacantly arranged；
The position-limit mechanism further includes the limiting section set on the elastic component lower end, the limiting section and the locating part
Lower end interval, limits the lower pan position of the locating part lower end, and limits the deflection when elastic component compresses downwards.
Preferably, the elastic component is arranged in the cylindrical body, and the upper end of the cylindrical body, which is equipped with, prevents the elasticity
The positioning plate of part prolapse upwards, the positioning plate are equipped with through-hole；
Connector is connected between the upper end of the elastic component and the pipe clamp, the connector can be worn up or down
The through-hole.
Preferably, the supporting device includes the second bearing group being obliquely installed, to carry out elastic bearing in inclined direction
Part.
Preferably, second bearing assembly includes at least one set of damper, one end of the damper and the pipe clamp
Connection, the other end are fixedly mounted.
Preferably, reactor include steam generator, voltage-stablizer and be connected to the steam generator pressure inlet and
Flexible elongate tubular between the pressure inlet of the voltage-stablizer, the supporting arrangement support the flexible elongate tubular；
The flexible elongate tubular includes the multistage pipeline section of bending setting, and part or all of pipeline section is equipped with the supporting device.
Preferably, the middle position of corresponding pipeline section is arranged in the supporting device.
Preferably, the flexible deformation direction of the supporting device and the axis of the pipeline section of corresponding position are vertical.
Preferably, the supporting device includes the second bearing group being obliquely installed, to carry out elastic bearing in inclined direction
Part；Second bearing assembly includes at least one set of damper, and one end of the damper is connect with the pipe clamp, and the other end is solid
Dingan County's dress；The part pipeline section is equipped with two or more sets described dampers, and the inclined direction of damper described in two groups is different.
The supporting arrangement for reactor flexible elongate tubular for implementing the utility model has the advantages that branch installs
It sets for carrying various load suffered by marine environment reactor flexible elongate tubular, bearing had both met thermal expansion, the heat of flexible elongate tubular
Displacement request, while being able to satisfy again and adapting to long time period sexual intercourse varying load and external impact load under marine environment, optimize soft
Property long tube stress, avoid fatigue failure, improve equipment dependability.
In addition, each supporting device of supporting arrangement angled arrangement can be installed in small space, it is ensured that soft
The load transmission of property long tube in three-dimensional space.Waving when the displacement of the low speed such as operating condition occurs in thermal expansion, low speed allows flexibility long
Pipe free wxpansion discharges thermal stress and certain periodical alternating load.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is schematic perspective view when being equipped with supporting arrangement on flexible elongate tubular in the utility model embodiment；
Fig. 2 is right view direction schematic diagram when being equipped with supporting arrangement on flexible elongate tubular in Fig. 1；
Fig. 3 is overlook direction schematic diagram when being equipped with supporting arrangement on flexible elongate tubular in Fig. 1；
Fig. 4 is the schematic diagram of the section structure of the first bearing assembly in Fig. 1.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
In conjunction with shown in Fig. 1 to Fig. 3, the reactor in one preferred embodiment of the utility model includes steam generator, steady
Depressor and the flexible elongate tubular 1 being connected between the pressure inlet of steam generator and the pressure inlet of voltage-stablizer, it is soft in the present embodiment
Property long tube 1 can be Surge line piping, flexible elongate tubular 1 itself is an elongated bending bearing pipe, is usually welded by several segments
And itself rigidity is lower.
Reactor further includes the supporting arrangement supported to flexible elongate tubular 1, and supporting arrangement includes pipe clamp 21, supporting device 22.
Pipe clamp 21 is mounted on flexible elongate tubular 1, and supporting arrangement is allowed to connect with flexible elongate tubular 1, is supported to flexible elongate tubular 1, is guaranteed flexible long
The stabilization of pipe 1.The distribution of pipe clamp 21 can be corresponding with supporting device 22, and quantity can without limitation, according to setting for supporting device 22
Depending on setting.
22 one end of supporting device is connect with pipe clamp 21, and the other end fixed setting after the completion of connection, can limit flexible elongate tubular
1 initial position.Supporting device 22 is elastic deformation structure, to discharge 1 institute of flexible elongate tubular when flexible elongate tubular 1 is by external applied load
The shock loading received.
Supporting arrangement both meets flexibility for carrying various load suffered by marine environment reactor flexible elongate tubular 1, bearing
Thermal expansion, the thermal walking requirement of long tube 1, while being able to satisfy again and adapting to long time period sexual intercourse varying load and outside under marine environment
Shock loading optimizes the stress of flexible elongate tubular 1, avoids fatigue failure, improves equipment dependability.
Flexible elongate tubular 1 includes the multistage pipeline section 11 of bending setting, and supporting device 22 can be provided on portions 11,
For example be arranged on a pipeline section 11 or several pipeline sections 11 wherein, supporting device 22 can also be set on whole pipeline sections 11.
In general, the middle position of corresponding pipeline section 11 is arranged in supporting device 22,1 weld seam of flexible elongate tubular can be avoided, simultaneously
Larger space is reserved at pressure inlet, facilitates the installation and follow-up operation maintenance of flexible elongate tubular 1.
The flexible deformation direction of supporting device 22 and the axis of pipeline section 11 of corresponding position are vertical, it is ensured that corresponding pipeline section
The balance of 11 axially loadeds.In other embodiments, if two or more supporting devices 22 are set on same pipeline section 11, the pipe
The flexible deformation direction of each supporting device 22 in section 11 can also be in angle, and collective effect positions pipeline section 11.
In some embodiments, supporting device 22 includes carrying out the first bearing assembly 221 of elastic bearing in vertical direction,
When flexible elongate tubular 1 is by shock loading, the first bearing assembly 221 can carry out elastic buffer in vertical direction, allow flexible length
The amplitude of deformation of pipe 1 is in controlled range.
Further, as shown in connection with fig. 4, the first bearing assembly 221 include can elastic telescopic elastic component 2211 and be arranged
The upper end of cylindrical body 2212 outside elastic component 2211, elastic component 2211 is connect with pipe clamp 21, and lower end is fixedly mounted.
Elastic component 2211 is usually spring, can also be the structures such as usual elastic slice.Suitable elasticity coefficient can be selected when installation
Elastic component 2211, the deflection that allows when matching by load can also adjust the precommpression of elastic component 2211 during installation
Amount, Lai Pingheng initial load.
Elastic component 2211 can for flexible elongate tubular 1 by load when buffered, reduce impact.The lower end of elastic component 2211 is solid
Be scheduled in fulcrum bearing 3, fulcrum bearing 3 can scene fabrication and installation as needed, can also be general part.
First bearing assembly 221 further includes the position-limit mechanism 2213 for limiting the deflection that elastic component 2211 deforms downwards, limit
Position mechanism 2213 can use the deflection of restriction elastic component 2211 to limit the downward swingingly amplitude of flexible elongate tubular 1.
In the present embodiment, position-limit mechanism 2213 includes the locating part 2214 being vertically arranged, and one end of locating part 2214 is fixed
Setting.The other end of locating part 2214 is located between the top and bottom of elastic component 2211, end corresponding with elastic component 2211
Between formed for 2211 compressive deformation of elastic component deformation section.
Locating part 2214 can be fixed for upper end, and lower end is hanging, can also fix for lower end, upper end is stretched out upwards.
Further, in the present embodiment, the upper end of locating part 2214 and the upper end of elastic component 2211 are located by connecting, lower end
Hanging setting, when elastic component 2211 is compressed, locating part 2214 is moved downward with elastic component 2211.
Position-limit mechanism 2213 further includes the limiting section 2215 set on 2211 lower end of elastic component, and limiting section 2215 can be plate,
It can also be positive stop lug boss etc., be generally arranged in fulcrum bearing 3, may also be arranged on the lower end of cylindrical body 2212.
The lower end interval of limiting section 2215 and locating part 2214 drives locating part 2214 downward after the compression of elastic component 2211
When mobile, limiting section 2215 limits the lower pan position of 2214 lower end of locating part, and plays when limiting elastic component 2211 and compressing downwards
Deflection effect.
If the lower end of locating part 2214 is fixed, the upper end of locating part 2214, which can play, limits the upper of elastic component 2211
Deformed position downwards is held, can also have the function that limit deflection when elastic component 2211 compresses downwards.In other implementations
It can also be that cylindrical body 2212 is allowed to limit in example, at least one end of elastic component 2211 is stretched out cylindrical body 2212 and stretched after being compressed
End out is compressed in cylindrical body 2212, is limited using the upper and lower ends of cylindrical body 2212, and elastic component 2211 is limited
Compression deformation.
In some embodiments, elastic component 2211 is arranged in cylindrical body 2212, and the upper end of cylindrical body 2212 is equipped with and prevents
The positioning plate 2216 of 2211 prolapse upwards of elastic component, positioning plate 2216 are equipped with through-hole 2217.The upper end of elastic component 2211 and pipe
It is connected with connector 2218 between folder 21, connector 2218 can wear through-hole 2217 up or down.It is hit in flexible elongate tubular 1
When, it is transmitted to elastic component 2211 through connector 2218, allows 2211 compressive deformation of elastic component.Positioning plate 2216 can also be cancelled, allow
Elastic component 2211 directly transmits cylindrical body 2212.
In conjunction with shown in Fig. 1 to Fig. 3, in the present embodiment, supporting device 22 include be obliquely installed, with inclined direction into
Second bearing assembly 222 of row elastic bearing.First bearing assembly 221, the second bearing assembly 222 can be individually arranged,
Flexible elongate tubular 1 is supported, can also be arranged simultaneously, while flexible elongate tubular 1 is supported.
In addition, the first bearing assembly 221, the second bearing assembly 222 can be provided separately on a pipeline section 11, it can also be simultaneously
It is arranged on a pipeline section 11.
Further, the second bearing assembly 222 includes one group of damper 2221, and one end of damper 2221 and pipe clamp 21 connect
It connects, the other end can be fixedly mounted in fulcrum bearing 3.The fulcrum bearing 3 of first bearing assembly 221 and the second bearing assembly 222
Fulcrum bearing 3 can be structure as a whole, and can also be separately provided for separate structure.
Damper 2221 is latched when speed or acceleration are more than analog value, forms non-yielding prop.One group of damper 2221
It can be combined with the first bearing assembly 221, the first bearing assembly 221 is supported in vertical direction, the damping of the second bearing assembly 222
Device 2221 can be supported in inclined direction.
Second bearing assembly 222 may also comprise two groups or more damper 2221, with 221 groups of the first bearing assembly
Bearing is closed, the inclined direction of each group damper 2221 is different, forms multi-angle bearing.
Under external percussion or under cut accident conditions, downward by the limitation elastic component 2211 of position-limit mechanism 2213
The locking of deflection and damper 2221 can form non-yielding prop and carry out all directions limit to flexible elongate tubular 1, prevent flexibility
Long tube 1 is displaced excessive and causes to destroy or occur whipping.
Second bearing assembly 222 can also individually support certain pipeline section 11, the second bearing assembly 222 on the pipeline section 11
It may include one group of damper 2221, may also comprise two groups or more damper 2221, connect respectively with flexible elongate tubular 1,
The inclined direction of each group damper 2221 is different, forms multi-angle bearing, guarantees that the load of flexible elongate tubular 1 in a plurality of directions passes
It passs.
Each supporting device 22 of supporting arrangement angled arrangement can be installed in small space, it is ensured that flexibility is long
The load transmission of pipe 1 in three-dimensional space.Waving when the displacement of the low speed such as operating condition occurs in thermal expansion, low speed allows flexible elongate tubular 1
Free wxpansion discharges thermal stress and certain periodical alternating load, and then optimizes 1 stress of flexible elongate tubular, avoids fatigue
Failure.
In addition, also vertical direction can be balanced by adjusting the rigidity and pre compressed magnitude of elastic component 2211 and damper 2221
Initial load and horizontal initial load, to ensure the thermal walking of vertical direction and along the thermal walking of 1 axis direction of flexible elongate tubular
Release in controlled range, avoid 1 thermal walking of flexible elongate tubular excessive and be damaged, the initial load of vertical direction is mainly
1 weight of flexible elongate tubular and fluid media (medium) weight.
Also the arrangement of supporting device 22 height and angle can be realized by the live real height and tilt angle for matching fulcrum bearing 3
Fine tuning, enhance adjustability, it is ensured that 1 stress equalization of flexible elongate tubular.
For supporting arrangement only with 2,211 two kinds of bearing parts of damper 2221 and elastic component, supporting structure form is simple, accounts for
It is small with space, meet the space requirement of compact Layout reactor.
Each damper 2221 can guarantee that 1 institute of flexible elongate tubular is loaded in solid space three with 1 angulation of flexible elongate tubular
It is effectively transmitted in dimensional plane, and then optimizes 1 stress of flexible elongate tubular.Permit when the low speed such as thermal expansion, thermal walking are displaced and occur
Perhaps pipeline free wxpansion discharges thermal stress.Non-yielding prop is provided under external percussion, all directions limit is carried out to flexible elongate tubular 1
Position, avoids flexible elongate tubular 1 from being displaced excessive under the action of inertia force and cause to destroy.Simultaneously in cut accident, also provide rigid
Property bearing limitation flexible elongate tubular 1 be displaced, prevent flexible elongate tubular 1 occur whipping.
It is to be appreciated that above-mentioned each technical characteristic can be used in any combination and unrestricted.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (13)
1. a kind of supporting arrangement for reactor flexible elongate tubular, which is characterized in that including pipe clamp (21), supporting device (22)；
The pipe clamp (21) is mounted on the flexible elongate tubular (1), and described supporting device (22) one end and the pipe clamp (21) are even
It connects, other end fixed setting；
The supporting device (22) is elastic deformation structure, to discharge shock loading suffered by the flexible elongate tubular (1).
2. the supporting arrangement according to claim 1 for reactor flexible elongate tubular, which is characterized in that the supporting device
It (22) include carrying out the first bearing assembly (221) of elastic bearing in vertical direction.
3. the supporting arrangement according to claim 2 for reactor flexible elongate tubular, which is characterized in that first bearing
Component (221) include can elastic telescopic elastic component (2211) and be set in the cylindrical body of the elastic component (2211) outside
(2212), the upper end of the elastic component (2211) is connect with the pipe clamp (21), and lower end is fixedly mounted.
4. the supporting arrangement according to claim 3 for reactor flexible elongate tubular, which is characterized in that first bearing
Component (221) further includes the position-limit mechanism (2213) for limiting the deflection that the elastic component (2211) deforms downwards.
5. the supporting arrangement according to claim 4 for reactor flexible elongate tubular, which is characterized in that the position-limit mechanism
It (2213) include the locating part (2214) being vertically arranged, one end fixed setting of the locating part (2214)；
The other end of the locating part (2214) is located between the top and bottom of the elastic component (2211), with the elastic component
(2211) the deformation section for the elastic component (2211) compressive deformation is formed between corresponding end.
6. the supporting arrangement according to claim 5 for reactor flexible elongate tubular, which is characterized in that the locating part
(2214) upper end of upper end and the elastic component (2211) is located by connecting, and lower end is vacantly arranged；
The position-limit mechanism (2213) further includes the limiting section (2215) set on the elastic component (2211) lower end, the limiting section
(2215) with the lower end interval of the locating part (2214), the lower pan position of the locating part (2214) lower end is limited, and limit
The deflection when elastic component (2211) is compressed downwards.
7. the supporting arrangement according to claim 3 for reactor flexible elongate tubular, which is characterized in that the elastic component
(2211) in the cylindrical body (2212), the upper end of the cylindrical body (2212), which is equipped with, prevents the elastic component (2211) for setting
The positioning plate (2216) of prolapse upwards, the positioning plate (2216) are equipped with through-hole (2217)；
Connector (2218), the connector are connected between the upper end and the pipe clamp (21) of the elastic component (2211)
(2218) it can wear up or down the through-hole (2217).
8. according to the described in any item supporting arrangements for reactor flexible elongate tubular of claim 2 to 7, which is characterized in that institute
Stating supporting device (22) includes the second bearing assembly (222) being obliquely installed, to carry out elastic bearing in inclined direction.
9. the supporting arrangement according to claim 8 for reactor flexible elongate tubular, which is characterized in that second bearing
Component (222) includes at least one set of damper (2221), and one end of the damper (2221) is connect with the pipe clamp (21), separately
One end is fixedly mounted.
10. the supporting arrangement according to any one of claims 1 to 7 for reactor flexible elongate tubular, which is characterized in that anti-
Heap is answered to include steam generator, voltage-stablizer and be connected to the pressure inlet of the steam generator and the pressure inlet of the voltage-stablizer
Between flexible elongate tubular (1), the supporting arrangement to the flexible elongate tubular (1) support；
The flexible elongate tubular (1) includes the multistage pipeline section (11) of bending setting, and part or all of pipeline section (11) is equipped with the branch
Hold mechanism (22).
11. the supporting arrangement according to claim 10 for reactor flexible elongate tubular, which is characterized in that the bearing machine
Middle position of structure (22) setting in corresponding pipeline section (11).
12. the supporting arrangement according to claim 10 for reactor flexible elongate tubular, which is characterized in that the bearing machine
The flexible deformation direction of structure (22) is vertical with the axis of the pipeline section (11) of corresponding position.
13. the supporting arrangement according to claim 10 for reactor flexible elongate tubular, which is characterized in that the bearing machine
Structure (22) includes the second bearing assembly (222) being obliquely installed, to carry out elastic bearing in inclined direction；The second bearing group
Part (222) includes at least one set of damper (2221), and one end of the damper (2221) is connect with the pipe clamp (21), another
End is fixedly mounted；The part pipeline section (11) is equipped with two or more sets described dampers (2221), damper described in two groups
(2221) inclined direction is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821238139.XU CN208982784U (en) | 2018-08-01 | 2018-08-01 | Supporting arrangement for reactor flexible elongate tubular |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821238139.XU CN208982784U (en) | 2018-08-01 | 2018-08-01 | Supporting arrangement for reactor flexible elongate tubular |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982784U true CN208982784U (en) | 2019-06-14 |
Family
ID=66780845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821238139.XU Active CN208982784U (en) | 2018-08-01 | 2018-08-01 | Supporting arrangement for reactor flexible elongate tubular |
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| Country | Link |
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| CN (1) | CN208982784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953763A (en) * | 2018-08-01 | 2018-12-07 | 中广核研究院有限公司 | Supporting arrangement for reactor flexible elongate tubular |
| CN112697375A (en) * | 2020-12-03 | 2021-04-23 | 武汉大学 | Flexible pressure pipeline whipping motion generating device |
-
2018
- 2018-08-01 CN CN201821238139.XU patent/CN208982784U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953763A (en) * | 2018-08-01 | 2018-12-07 | 中广核研究院有限公司 | Supporting arrangement for reactor flexible elongate tubular |
| CN108953763B (en) * | 2018-08-01 | 2024-03-22 | 中广核研究院有限公司 | Support device for flexible long tube of reactor |
| CN112697375A (en) * | 2020-12-03 | 2021-04-23 | 武汉大学 | Flexible pressure pipeline whipping motion generating device |
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