CN211313036U - Openable and closable bidirectional telescopic temporary top cover for nuclear island containment - Google Patents
Openable and closable bidirectional telescopic temporary top cover for nuclear island containment Download PDFInfo
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- CN211313036U CN211313036U CN201920340543.6U CN201920340543U CN211313036U CN 211313036 U CN211313036 U CN 211313036U CN 201920340543 U CN201920340543 U CN 201920340543U CN 211313036 U CN211313036 U CN 211313036U
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- nuclear island
- telescopic
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- closable
- island containment
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Abstract
The utility model discloses an openable bidirectional telescopic temporary top cover for a nuclear island containment, which comprises an annular supporting device pre-installed at the top of the nuclear island containment, wherein two beams are arranged on the annular supporting device, two tracks are laid above the beams, a telescopic frame is installed on the two tracks, a plurality of trapezoidal rigid frames are fixed on the telescopic frame, and a covering is arranged on the rigid frames; compared with the prior art, direct mount can open by a large scale or be closed on the reactor containment, satisfies the hoist and mount operation demand of reactor factory building, simple structure, and the suitability is strong, simple to operate, can realize switching many times within a day, and the switching is efficient, and the structure is lighter, and is less to the atress influence of containment, but the change of quick response environmental weather improves the efficiency of construction, and is very practical, realizes the utility model aims at.
Description
Technical Field
The utility model relates to a temporary top cap of containment, in particular to be applied to the two-way telescopic nuclear island containment temporary top cap of openable of the nuclear power station reactor factory building that does not have roofing cover in the process of building.
Background
In the third generation nuclear power station in the domestic construction and establishment process, for example, the CAP1400 model, the reactor factory building of the third generation nuclear power station is not covered by a roofing structure during the construction.
The existing openable roof structure has various forms, but the roof structures are all complex in structure, difficult to implement and large in overall weight, and serious safety accidents are easy to generate when natural disasters come.
The reactor factory building is contained in a containment, the containment is a steel cylinder structure, the diameter of the containment is different from 40 meters to 60 meters according to different models of nuclear power stations, and the thickness of the containment is different from 40 millimeters to 70 millimeters. Common building roof structure generally installs on comparatively broad thick concrete support, and general building roof structure can't install on the thin wall steel cylinder body of reactor factory building containment.
The general openable roof structure is often applied to a stadium, and the frequency of roof opening and closing is lower and the speed is slower. In addition, according to the hoisting requirement of large equipment in a reactor plant of a nuclear power station, the roof structure is required to be exposed to the range of more than 85% of the inside of the reactor plant after being opened. The existing openable roof structure can not meet the use requirements of the temporary roof during the construction of a nuclear power plant reactor plant.
Therefore, an openable and closable bidirectional telescopic temporary top cover for a nuclear island containment vessel is particularly needed to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but the interim top cap of open closed two-way telescopic nuclear island containment to prior art not enough, has solved the unable large tracts of land switching of interim top cap of part third generation nuclear power station in the construction process, unable direct mount on thin wall steel construction barrel, and the unable problem of resisting high strength typhoon, simple structure, very practical.
The utility model provides a technical problem can adopt following technical scheme to realize:
the utility model provides a but interim top cap of open closed two-way telescopic nuclear island containment which characterized in that, it includes the annular strutting arrangement at nuclear island containment top preinstallation, two crossbeams have been arranged on the annular strutting arrangement, two tracks have been laid to the crossbeam top, install the expansion bracket on two tracks, a plurality of trapezoidal rigid frame of fixed on the expansion bracket, be provided with the cover on the rigid frame.
In one embodiment of the present invention, the annular support device is directly fixed to the top end of the containment vessel.
In one embodiment of the present invention, the cross beams are arranged in parallel, the distance between the cross beams is 16-20m, and the ends of the cross beams are fixed on the annular supporting device by welding or bolts.
Further, a bending-resistant member is disposed on the cross member.
In an embodiment of the present invention, the track is provided with a braking device, which plays a role of locking the telescopic frame.
In an embodiment of the present invention, the telescopic frames are made of metal sections and arranged in an X-shape, and the link between the telescopic frames is hinged to each other, so that the telescopic frames have a telescopic function.
In an embodiment of the utility model, the one end of expansion bracket is fixed on the annular strutting arrangement, the other end of expansion bracket is in through electronic pulley freely stretches out and draws back on the track, realizes flexible function through electronic pulley.
The utility model discloses an embodiment, electric pulley fixes a position and sends signal control electric pulley's start and stop through encoder or limit switch to electric pulley's the originated and final position, encoder or limit switch with arresting gear on the track is connected, realizes fixed to electric pulley's hasp.
In an embodiment of the present invention, the rigid frame is fixed on the expansion frame from the fixed end of the expansion frame to the free end along the beam, and adjacent to the rigid frame, the rigid frame is connected to the expansion frame through a connection mode of rotation hinge, so as to realize the folding function of the rigid frame.
In one embodiment of the present invention, the covering includes, but is not limited to, a film material, a glass fiber reinforced plastic and a color steel plate, and a snow melting device is laid on the covering to prevent wind and rain.
In an embodiment of the present invention, a drainage groove is provided between the rigid frames, and an end of the drainage groove is provided with an elastic fulcrum, and the elastic fulcrum is along the circumferential movement of the annular supporting device.
The utility model discloses a but switching two-way telescopic nuclear island containment interim top cap compares with prior art, and direct mount can open by a large scale or be closed on the reactor containment, satisfies the hoist and mount operation demand of reactor factory building, and simple structure, the suitability is strong, and simple to operate can realize switching many times within a day, and the switching is efficient, and the structure is lighter, and the atress influence to the containment is less, but the change of quick response environment weather improves the efficiency of construction, and is very practical, realizes the utility model aims at.
The features of the present invention will be apparent from the accompanying drawings and from the detailed description of the preferred embodiments which follows.
Drawings
FIG. 1 is a schematic structural view of a containment vessel of a reactor building according to the present invention;
FIG. 2 is a schematic structural view of the retractable roof structure in a fully open state;
FIG. 3 is a schematic structural view of the retractable roof structure in a semi-open/close state;
FIG. 4 is a schematic structural view of the retractable roof structure in a fully closed state;
FIG. 5 is a schematic frame view of the retractable roof structure in a fully open position;
FIG. 6 is a schematic frame view of the retractable roof structure in a fully closed state;
FIG. 7 is a schematic view of a frame of the retractable roof structure in a semi-open/closed state;
fig. 8 is a schematic structural view of the roof structure frame of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Examples
As shown in fig. 1 to 8, the utility model discloses a but two-way telescopic nuclear island containment temporary top cap of open closed, it includes the annular strutting arrangement 2 of installing in advance at 1 top of nuclear island containment, has arranged two crossbeams 5 on the annular strutting arrangement 2, and two tracks have been laid to crossbeam 5 top, installs expansion bracket 4 on two tracks, fixes a plurality of trapezoidal rigid frame 8 on expansion bracket 4, is provided with cover 3 on the rigid frame 8.
As shown in fig. 6, the annular support device 2 is directly fixed to the top end of the containment vessel 1.
The cross beams 5 are arranged in parallel, the distance between the cross beams 5 is 16-20m (17 m in this example), and the ends of the cross beams 5 are fixed on the annular support device 2 by welding or bolts.
In view of the bending resistance requirement under a large load, the bending-resistant members 6 are arranged on the cross beams 5, and the bending-resistant members 6 are not limited to the illustrated form.
The track (not shown) is provided with a brake device (not shown) which plays a role of locking the telescopic frame.
As shown in fig. 6, 7 and 8, the telescopic frame 4 is a metal section bar which is arranged in an X-shape in a crossed manner, and the metal section bar is made of an aluminum alloy material so as to reduce the self weight; the telescopic frames 4 are connected in a hinged mode, so that the telescopic frames have a telescopic function.
One end of the telescopic frame 4 is fixed on the annular supporting device 2, the other end of the telescopic frame 4 freely extends and retracts on a track (not shown) through an electric pulley, the telescopic function is realized through the electric pulley, and two identical telescopic frames 4 are arranged on each cross beam 5.
Electric pulley is installed in the place where expansion bracket 4 and crossbeam 5 contact, and electric pulley fixes a position and sends signal control electric pulley's start and stop through encoder or limit switch to electric pulley's the initial position and the final position, encoder or limit switch with arresting gear on the track is connected, realizes fixed to electric pulley's hasp.
As shown in fig. 6, in this embodiment, 10 trapezoidal rigid frames 8 are mounted on the telescopic frame 4, the rigid frames 8 are fixed on the telescopic frame 4 from the fixed end of the telescopic frame 4 along the direction from the cross beam 5 to the free end, and the adjacent rigid frames 8 are connected by a connection manner of rotating and hinging, so as to realize the folding function of the rigid frames 8.
As shown in fig. 8, the cover 3 includes, but is not limited to, a film material, a glass fiber reinforced plastic and a color steel plate, and a snow melting device (not shown) is laid on the cover 3 to prevent wind and rain.
As shown in fig. 3 and 5, after the openable bidirectional telescopic temporary top cover of the nuclear island containment vessel is unfolded, the overall projection is circular, so that circular coverage of the nuclear island containment vessel 1 is realized, the nuclear island containment vessel is in a convex-concave form, and a drainage channel 7 is arranged between the rigid frames 8, so that the drainage capacity of rainwater is enhanced; the utility model discloses a but after the switching two-way telescopic nuclear island containment temporary top cap shrink, the symmetry is folded in the both sides on 1 top of nuclear island containment.
The tip of water drainage tank 7 is provided with elastic support point (not shown in the figure), and at flexible in-process, annular strutting arrangement 2's hoop motion is followed to elastic support point (not shown in the figure the utility model discloses a but after the open closed two-way telescopic nuclear island containment interim top cap expandes, elastic support point and the 2 contact atress of annular strutting arrangement.
As shown in fig. 3 and 4, the openable and closable temporary top cover for the bidirectional telescopic nuclear island containment vessel of the present invention can be opened or closed on any side or simultaneously according to actual requirements.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (11)
1. The utility model provides a but interim top cap of open closed two-way telescopic nuclear island containment which characterized in that, it includes the annular strutting arrangement at nuclear island containment top preinstallation, two crossbeams have been arranged on the annular strutting arrangement, two tracks have been laid to the crossbeam top, install the expansion bracket on two tracks, a plurality of trapezoidal rigid frame of fixed on the expansion bracket, be provided with the cover on the rigid frame.
2. The openable and closable bi-directional telescoping nuclear island containment temporary roof of claim 1, wherein the annular bracing means is secured directly to the top end of the containment.
3. The openable and closable bidirectional telescopic temporary roof for nuclear island containment vessel according to claim 1, wherein the cross beams are arranged in parallel, the distance between the cross beams is 16-20m, and the ends of the cross beams are fixed on the annular supporting device by welding or bolts.
4. The openable and closable bi-directional telescoping nuclear island containment temporary roof of claim 3, wherein a bending member is disposed on the cross-beam.
5. The openable and closable bi-directional telescoping temporary roof for nuclear island containment vessel as claimed in claim 1 wherein said rails have brake means mounted thereon.
6. The openable and closable bidirectional telescopic temporary top cover for a nuclear island containment vessel according to claim 1, wherein the telescopic frames are made of metal profiles and are arranged in an X-shaped cross manner, and the telescopic frames are connected in a hinged manner.
7. The openable and closable bidirectional telescopic temporary roof for nuclear island containment vessel as claimed in claim 1, wherein one end of the telescopic frame is fixed on the ring-shaped supporting device, and the other end of the telescopic frame is freely telescopic on the rail through an electric pulley.
8. The openable and closable bi-directional telescopic temporary top cover for nuclear island containment vessel according to claim 7, wherein the electric pulleys are positioned at the start and end positions by an encoder or a limit switch connected to a brake device on the rail and send a signal to control the start and stop of the electric pulleys.
9. The openable and closable bi-directional retractable temporary roof for nuclear island containment vessel as claimed in claim 1, wherein the rigid frames are fixed on the telescopic frames from the fixed end of the telescopic frames to the free end along the direction from the cross beam, and the adjacent rigid frames are connected by a rotary hinge connection.
10. The openable and closable bi-directional telescoping temporary roof for nuclear island containment vessel as claimed in claim 1 wherein the cover comprises a film, fiberglass and color steel plate and a snow melting device is laid on top of the cover.
11. The openable and closable bidirectional telescopic temporary top cover for a nuclear island containment vessel according to claim 1, wherein a drainage channel is provided between the rigid frames, and an elastic fulcrum is provided at an end of the drainage channel, and the elastic fulcrum moves in a circumferential direction of the annular support device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340543.6U CN211313036U (en) | 2019-03-18 | 2019-03-18 | Openable and closable bidirectional telescopic temporary top cover for nuclear island containment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920340543.6U CN211313036U (en) | 2019-03-18 | 2019-03-18 | Openable and closable bidirectional telescopic temporary top cover for nuclear island containment |
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| Publication Number | Publication Date |
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| CN211313036U true CN211313036U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920340543.6U Active CN211313036U (en) | 2019-03-18 | 2019-03-18 | Openable and closable bidirectional telescopic temporary top cover for nuclear island containment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853812A (en) * | 2019-03-18 | 2019-06-07 | 上海核工程研究设计院有限公司 | A kind of two-way telescopic nuclear island safety shell temporary roof cover to be opened/closed |
-
2019
- 2019-03-18 CN CN201920340543.6U patent/CN211313036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109853812A (en) * | 2019-03-18 | 2019-06-07 | 上海核工程研究设计院有限公司 | A kind of two-way telescopic nuclear island safety shell temporary roof cover to be opened/closed |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |