CN209370602U - Pipeline of nuclear power plant damper mount connection structure - Google Patents
Pipeline of nuclear power plant damper mount connection structure Download PDFInfo
- Publication number
- CN209370602U CN209370602U CN201822049264.2U CN201822049264U CN209370602U CN 209370602 U CN209370602 U CN 209370602U CN 201822049264 U CN201822049264 U CN 201822049264U CN 209370602 U CN209370602 U CN 209370602U
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- Prior art keywords
- pipeline
- power plant
- nuclear power
- connection structure
- mount connection
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Abstract
The utility model discloses a kind of pipeline of nuclear power plant damper mount connection structures comprising: pedestal is detachably secured on concrete walls, and is detachably connected with one end of damper；Rigid support is detachably connected with the other end of damper；And pipeline embraces ring structure, is detachably secured on protected pipeline, and connect with one end of rigid support.Compared with the existing technology, the utility model pipeline of nuclear power plant damper mount connection structure is operated without field conduct welding and heat treatment, is improved the bearing capacity and rigidity of bearing, be can satisfy aseismic analysis and the stress analysis requirement of pipeline.
Description
Technical field
The utility model belongs to nuclear power field, and more specifically, the utility model relates to a kind of pipeline of nuclear power plant dampers
Mount connection structure.
Background technique
Pipeline hydraulic damper is for protecting nuclear power plant system pipeline when by sudden applied load (earthquake or pressure jump)
From destroying.The slow thermal walking of device permission system pipeline；And by mutation load (such as alternating load or sustained load), resistance
Buddhist nun's device reform into one rigid connection come limiting displacement with this achieve the purpose that protect system pipeline.The bearing of pipeline damper is usual
It is made of damper and connection structure.
The pipeline damper structure of the prior art is fixed using pipe clamp with pipeline in pipe side, and wall side uses pedestal and coagulation
The pre-buried welding for steel structure of soil is fixed.It has the following disadvantages:
1) structural-load-carrying capacity is generally below 200t, and rigidity is generally below 3 × 104N/mm, be not able to satisfy bearing capacity and
The higher occasion of rigidity requirement；
2) scene need to largely be welded, heat treatment operation, site operation difficulty is big.
In view of this, being not necessarily to field conduct it is necessory to provide a kind of stress level safety of pipeline at support connection
The pipeline of nuclear power plant damper mount connection structure of welding and heat treatment operation, improves the bearing capacity and rigidity of bearing, meets
The aseismic analysis of pipeline and stress analysis requirement.
Utility model content
The purpose of this utility model is that: overcome the deficiencies of the prior art and provide a kind of pipeline answering at support connection
Power horizontal safety improves branch without the pipeline of nuclear power plant damper mount connection structure of field conduct welding and heat treatment operation
The bearing capacity and rigidity held meet aseismic analysis and the stress analysis requirement of pipeline.
To achieve the goals above, the utility model provides a kind of pipeline of nuclear power plant damper mount connection structure, packet
It includes:
Pedestal is detachably secured on concrete walls, and is detachably connected with one end of damper；
Rigid support is detachably connected with the other end of damper；And
Pipeline embraces ring structure, is detachably secured on protected pipeline, and connect with one end of rigid support.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, the pipeline embraces ring structure
Including two and half armfuls of rings, two and half armfuls of rings are detachably secured on the protected pipeline, one of them half armful of ring with it is described
Rigid support is fixedly connected.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, described two half armful of ring with
Gap filling between protected pipeline has gasket.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, described two half armful of ring
Joint face is equipped with washer.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, described two half armful of ring
Both ends are provided with interconnecting piece, and the interconnecting piece is with hollow body structure.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, the pedestal passes through anchoring
Screw rod is fixed on concrete walls.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, the pedestal and the resistance
One end of Buddhist nun's device is connected by pin shaft.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, the rigid support includes
One end of coupling part and support section, coupling part is provided with pin hole, is detachably connected with damper by pin shaft, support portion
One and half armfuls of rings for embracing ring structure with pipeline are divided to be welded and fixed.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, the coupling part and institute
Support section is stated to be fixed by fixed plate.
As a kind of improvement of the utility model pipeline of nuclear power plant damper mount connection structure, the company of the rigid support
Socket part is divided to the first connecting plate being oppositely arranged including two, is provided with pin hole on two the first connecting plates, and the one of the damper
End is set between two the first connecting plates, and is connected by pin shaft.
Compared with the existing technology, the utility model pipeline of nuclear power plant damper mount connection structure is imitated with following technology
Fruit:
1) bearing capacity and rigidity for improving damper bearing, avoid in-site installation welding and heat treatment；
2) pedestal is fixed on concrete walls using anchorage screw, it is ensured that under bad working environments, can still be operated normally；
3) the stress level safety by protective conduit at support connection is ensured.
Detailed description of the invention
With reference to the accompanying drawings and detailed description, to the utility model pipeline of nuclear power plant damper mount connection structure into
Row is described in detail, in which:
Fig. 1 is the structural schematic diagram of the utility model pipeline of nuclear power plant damper mount connection structure.
Fig. 2 is the top view of the utility model pipeline of nuclear power plant damper mount connection structure.
Fig. 3 is structural schematic diagram (no pad that the utility model pipeline of nuclear power plant damper mount connection structure embraces ring structure
Circle).
Fig. 4 is the face Fig. 3 A-A schematic diagram.
Fig. 5 is that the structural schematic diagram that the utility model pipeline of nuclear power plant damper mount connection structure embraces ring structure (has pad
Circle).
Fig. 6 is the face Fig. 5 A-A schematic diagram.
Fig. 7 is the structural schematic diagram of the rigid support of the utility model pipeline of nuclear power plant damper mount connection structure.
Appended drawing reference:
10- bottom plate；12- concrete walls；14- damper；16- rigid support；The coupling part 160-；1600- pin hole；
The first connecting plate of 1602-；The second connecting plate of 1604-；1606- stiffening plate；162- support section；1620- support plate；1622- adds
Strong plate；18- pipeline embraces ring structure；180,182- half embraces ring；184- gasket；186- washer.
Specific embodiment
In order to be more clear the purpose of this utility model, technical solution and its technical effect, below in conjunction with attached drawing and tool
Body embodiment, the present invention will be further described in detail.It should be understood that specific reality described in this specification
Mode is applied just for the sake of explaining the utility model, is not intended to limit the utility model.
It please refers to shown in Fig. 1 to Fig. 7, the utility model pipeline of nuclear power plant damper mount connection structure, comprising:
Pedestal 10 is detachably secured on concrete walls 12, and is detachably connected with one end of damper 14；
Rigid support 16 is detachably connected with the other end of damper 14；And
Pipeline embraces ring structure 18, is detachably secured on protected pipeline (not shown go out), and with rigid support 16
One end connection.
It please refers to shown in Fig. 1 and Fig. 2, the side of pedestal 10 is planar structure, and the other side is groove structure, using anchoring spiral shell
Bar is fixed on concrete walls 12, specifically, is fixed on the metope of concrete walls 12 by 4 anchorage screws, in order to guarantee
Fixing intensity, the also settable gasket between pedestal 10 and concrete walls 12, and by applying certain pretightning force to anchorage screw,
It can guarantee under severe operating condition, the mount connection structure of the utility model can still operate normally.Pedestal compared with the existing technology
The type of attachment of welding, anchor connection are remarkably improved the bearing capacity (can reach 450t) of this mount connection structure.
Damper 14 can be damper well known in the prior art, and one end is located in the groove of pedestal 10, and passes through pin shaft
It is detachably connected with pedestal 10, the other end is detachably connected with rigid support 16 by pin shaft.
It please refers to shown in Fig. 1, Fig. 2 and Fig. 7,16 one end of rigid support is detachably connected with damper 14, the other end and pipe
Road is embraced ring structure 18 and is connected, and specifically, rigid support 16 includes coupling part 160 and support section 162, coupling part 160
One end is provided with pin hole 1600, is detachably connected with damper 14 by pin shaft, and support section 162 and pipeline embrace ring structure 18
One and half armfuls of rings 180 are welded and fixed.
In the shown embodiment, it in order to guarantee structural strength, is provided between coupling part 160 and support section 162
Two faces of fixed plate 161, fixed plate 161 are welded and fixed with coupling part 160 and support section 162 respectively.It is practical new at this
In the other embodiments of type, coupling part 160 can also be directly welded and fixed with support section 162.
Coupling part 160 includes two the first connecting plates 1602 being oppositely arranged, and is corresponded on two the first connecting plates 1602
Position is provided with pin hole 1600, is carried out between the first connecting plate of two be oppositely arranged 1602 by the second connecting plate 1604 of setting
It is fixed.First connecting plate 1602 close to one end of damper 14 be arcuate structure, and size be less than be welded and fixed with fixed plate 161
The size at end.In order to guarantee structural strength, it is additionally provided with stiffening plate 1606 and is welded respectively with the first connecting plate 1602 and fixed plate 161
Connect fixation.
The size fit of spacing and 14 one end of damper between two the first connecting plates 1602, one end of damper 14 is set
It is placed between two the first connecting plates 1602, and connect by being inserted into pin shaft with two the first connecting plates 1602.
Support section 162 includes two support plates 1620 being oppositely arranged, and two support plates 1602 are with certain thickness
Plate, size can be identical, can also be different, preferably identical, one end of two support plates 1620 and a face of fixed plate 161 are welded
Fixation is connect, one and half armfuls of rings 180 that the other end embraces ring structure 18 with pipeline are welded and fixed.In order to enhance the knot of support section 162
Structure intensity is respectively arranged with stiffening plate 1622 on the wall of two support plates 1620, specifically, stiffening plate 1622 respectively with fixation
Plate 161, support plate 1620 and half armful of ring 180 are welded and fixed.Rigid support 16 can by rigidity that pipeline damper supports from 3 ×
104N/mm is improved to 6 × 104N/mm.Global stiffness needed for the structure size of rigid support 16 is calculated according to seismatic method for pipeline is set
Meter.
Please refer to shown in Fig. 3 to Fig. 7, pipeline embrace ring structure 18 be detachably secured on protected pipeline, and with rigidity
One end of bracket 16 connects.
Preferably, it includes two and half armfuls of rings 180 that pipeline, which embraces ring structure 18, and 182, two and half armfuls of rings 180,182 are detachably solid
It is scheduled on protected pipeline, the support section 162 of one of them half armful of ring 180 and rigid support 16 is welded and fixed, final real
Existing pipeline is embraced ring structure 18 and is fixedly connected with rigid support 16.
In the shown embodiment, the two sides of two and half armfuls of rings 180,182 are provided with interconnecting piece, are provided on interconnecting piece solid
Determine hole, and is detachably secured on protected pipeline by bolt.
In order to improve the intensity of half armful of ring 180,182, interconnecting piece can be arranged to hollow box body structure, make the company of every side
There are two the cambered surfaces of panel and half armful of ring to fix for socket part, and fixation hole is arranged in the corresponding position of two panels.
It please refers to shown in Fig. 3 and Fig. 4, the gap between two and half armfuls of rings 180,182 and protected pipeline also fills up
There are gasket 184, the preferred stainless steel gasket of gasket 184.
It please refers to shown in Fig. 5 and Fig. 6, two and half armfuls of rings 180,182 are filled with protected pipeline when to guarantee tools for bolts ' pretension
Point fitting, embraces 180,182 joint face of ring in two halves when design and is provided with gap L (gap L size is adjusted as needed), after
After continuous tools for bolts ' pretension, the fixation hole position between gap is equipped with washer 186, and washer 186 is located at two and half armfuls of rings 180 simultaneously,
Between 182 joint face.
The machining requirements for embracing ring are as follows:
Internal diameter (referred to as embrace ring internal diameter) group between two and half armfuls of rings 180,182 finishes again to after, embrace ring internal diameter according to
Protected pipeline actual measurement outer diameter determines that such as protected pipeline actual measurement maximum outside diameter is D, then embracing ring id tolerance range is (D
+5)0+2；
After the completion of embracing the finishing of ring internal diameter, then processing dimension L at contact surface boxboard.
Gap L another object is that transfer part pretightning force avoids whole pretightning forces from being applied to protected to washer 186
On pipeline.Bolt pretightening F determines that when tools for bolts ' pretension is applied on protected pipeline according to the load of protected pipeline
Load can be adjusted by 186 thickness of washer.After reaching F ' such as pretightning force, the fastening of bearing with protected pipeline has been met
It is required that can then measure half armful of ring, 180,182 joint face gap L at this moment ', 186 thickness of washer is machined to L ', is installed to half armful
At the fixation hole of ring 180,182, then the pretightning force F-F ' of subsequent application is then transferred on washer 186.
In the other embodiments of the utility model, one end of two and half armfuls of rings 180,182 is connected by pin shaft, another
End is detachably connected by bolt, and pipeline is finally embraced ring structure 18 and is detachably secured on protected pipeline.
In the other embodiments of the utility model, one end of two and half armfuls of rings 180,182 can also by articulated connection,
The other end is detachably connected by bolt, and pipeline is finally embraced ring structure 18 and is detachably secured on protected pipeline.
Compared with the existing technology, the utility model pipeline of nuclear power plant damper mount connection structure is imitated with following technology
Fruit:
1) bearing capacity and rigidity for improving damper bearing, avoid in-site installation welding and heat treatment；
2) pedestal 10 is fixed on concrete walls 12 using anchorage screw, it is ensured that under bad working environments, still can normally be transported
Row；
3) the stress level safety by protective conduit at support connection is ensured.
According to above-mentioned principle, the utility model can also be made appropriate changes and modifications to the above embodiments.Therefore,
The utility model is not limited to specific embodiment disclosed and described above, to some modifications and changes of the utility model
It should also be as falling into the protection scope of the claims of the present utility model.In addition, although having been used in this specification some specific
Term, these terms are merely for convenience of description, not to the utility model constitute any restrictions.
Claims (10)
1. a kind of pipeline of nuclear power plant damper mount connection structure characterized by comprising
Pedestal is detachably secured on concrete walls, and is detachably connected with one end of damper；
Rigid support is detachably connected with the other end of damper；And
Pipeline embraces ring structure, is detachably secured on protected pipeline, and connect with one end of rigid support.
2. pipeline of nuclear power plant damper mount connection structure according to claim 1, which is characterized in that the pipeline embraces ring
Structure includes two and half armfuls of rings, and two and half armfuls of rings are detachably secured on the protected pipeline, one of them half armful of ring with
The rigid support is fixedly connected.
3. pipeline of nuclear power plant damper mount connection structure according to claim 2, which is characterized in that described two half armfuls
Gap filling between ring and protected pipeline has gasket.
4. pipeline of nuclear power plant damper mount connection structure according to claim 3, which is characterized in that described two half armfuls
The joint face of ring is equipped with washer.
5. pipeline of nuclear power plant damper mount connection structure according to claim 4, which is characterized in that described two half armfuls
The both ends of ring are provided with interconnecting piece, and the interconnecting piece is with hollow body structure.
6. pipeline of nuclear power plant damper mount connection structure according to claim 1, which is characterized in that the pedestal passes through
Anchorage screw is fixed on concrete walls.
7. pipeline of nuclear power plant damper mount connection structure according to claim 6, which is characterized in that the pedestal and institute
The one end for stating damper is connected by pin shaft.
8. pipeline of nuclear power plant damper mount connection structure according to claim 2, which is characterized in that the rigid support
Including coupling part and support section, one end of coupling part is provided with pin hole, is detachably connected with damper by pin shaft, branch
One and half armfuls of rings that ring structure is embraced with pipeline in support part point are welded and fixed.
9. pipeline of nuclear power plant damper mount connection structure according to claim 8, which is characterized in that the coupling part
It is fixed with the support section by fixed plate.
10. pipeline of nuclear power plant damper mount connection structure according to claim 9, which is characterized in that the rigidity branch
The coupling part of frame includes two the first connecting plates being oppositely arranged, and is provided with pin hole, the damping on two the first connecting plates
One end of device is set between two the first connecting plates, and is connected by pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049264.2U CN209370602U (en) | 2018-12-06 | 2018-12-06 | Pipeline of nuclear power plant damper mount connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049264.2U CN209370602U (en) | 2018-12-06 | 2018-12-06 | Pipeline of nuclear power plant damper mount connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370602U true CN209370602U (en) | 2019-09-10 |
Family
ID=67831492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822049264.2U Active CN209370602U (en) | 2018-12-06 | 2018-12-06 | Pipeline of nuclear power plant damper mount connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370602U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682676A (en) * | 2020-12-30 | 2021-04-20 | 上海核工程研究设计院有限公司 | Integrated supporting assembly and transverse supporting structure for nuclear power steam generator |
| CN114738589A (en) * | 2022-04-14 | 2022-07-12 | 中国核电工程有限公司 | Setting method and device of nuclear-grade pipeline support |
-
2018
- 2018-12-06 CN CN201822049264.2U patent/CN209370602U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682676A (en) * | 2020-12-30 | 2021-04-20 | 上海核工程研究设计院有限公司 | Integrated supporting assembly and transverse supporting structure for nuclear power steam generator |
| CN114738589A (en) * | 2022-04-14 | 2022-07-12 | 中国核电工程有限公司 | Setting method and device of nuclear-grade pipeline support |
| CN114738589B (en) * | 2022-04-14 | 2023-08-04 | 中国核电工程有限公司 | Nuclear grade pipeline bracket setting method and device |
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