CN111962738A - Wing-unfolding type retractable roof structure - Google Patents
Wing-unfolding type retractable roof structure Download PDFInfo
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- CN111962738A CN111962738A CN202010863088.5A CN202010863088A CN111962738A CN 111962738 A CN111962738 A CN 111962738A CN 202010863088 A CN202010863088 A CN 202010863088A CN 111962738 A CN111962738 A CN 111962738A
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- roof structure
- sliding
- main
- skylight
- trusses
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 230000007306 turnover Effects 0.000 claims abstract description 14
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 230000001133 acceleration Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/16—Roof structures with movable roof parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/16—Roof structures with movable roof parts
- E04B7/163—Roof structures with movable roof parts characterised by a pivoting movement of the movable roof parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/035—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts
- E04D13/0358—Sky-lights; Domes; Ventilating sky-lights characterised by having movable parts the parts moving, in their own plane, e.g. rolling or sliding, or moving in parallel planes with or without an additional movement, e.g. both pivoting and rolling or sliding
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a wing-unfolding type foldable roof structure, which comprises a main truss (4) and a connecting truss (5) which are main stressed components of the roof structure; the turnover structures (2) are symmetrically arranged on two sides of the roof structure and are connected with the main truss (4) through hinges (9); the sliding skylight is arranged between the two main trusses (4), and the sliding skylight and the main trusses (4) control the sliding of the sliding skylight through the movement of a driving trolley (11) in the tracks on the main trusses (4). In order to meet the requirement of resisting the ultra-strong typhoon when the roof structure is integrally closed, the wing-unfolding type overturning structure and the holding structure can be fixed on the steel containment vessel by adopting a guy cable or an automatic locking device, and the sliding skylight can be fixed on the main truss by adopting the guy cable or the automatic locking device, so that the safety and the reliability of the integral structure under the action of the ultra-strong typhoon are ensured.
Description
Technical Field
The invention belongs to the technical field of hoisting of a reactor steel containment, and particularly relates to a flexible opening and closing containment roof technology.
Background
The construction of a new batch of nuclear power stations in China mainly adopts a safer and more advanced third-generation nuclear power technology, including introduced AP1000, a country and a number I which are independently researched and developed, and the like, wherein the main characteristic of the reactor factory building construction of the AP/CAP series nuclear power stations is that an open-top construction mode is adopted, the parallel development of the safety operation work and the civil engineering work is realized, and the main equipment module, the steel structure module, the mechanical module, a large amount of materials and other items need to be introduced to the specified position of the reactor factory building in a hoisting mode before the top seal head of the containment vessel is in place.
The construction mode obviously improves the construction efficiency and shortens the construction period, but because the rainfall in coastal areas is frequent, the probability of encountering typhoon invasion is high every year, so that the protection of hoisted items becomes a difficult problem to be solved urgently, and the openable temporary roof structure becomes a main mode for solving the difficult problem.
The existing openable temporary roof structures for reactor plants are rare, and the roof structures are not directly installed on the steel containment vessel, so that the requirement of CV multi-ring homoenergetic use cannot be met, the implementation is difficult, and the protection period is short. Taking a temporary roof structure adopted by a three-door AP1000 nuclear power project as an example, the structure is supported on an annular hanging rail at the inner side of a containment through a stand column, and a series of problems of weak typhoon resistance, long disassembly and assembly and manual opening and closing period, hanging of interference objects, tearing of membrane volume water and the like occur in the using process.
The reactor factory building of the AP/CAP series nuclear power station comprises a steel containment vessel and an inner layer and an outer layer of a reinforced concrete cylinder, wherein the diameter of the steel containment vessel is 40-60 m according to different models of the nuclear power station, the thickness of the steel containment vessel is 40-70 mm, the steel containment vessel comprises CVBH, CV rings (AP1000 is divided into 4 rings, CAP1400 is improved into 3 rings) and CVTH, and the total height of the reactor factory building exceeds 65 m.
The wing-unfolding type retractable roof structure and the mounting and rotating method disclosed by the invention have unique and novel structural design and are innovated and optimized in multiple aspects, the hydraulic opening and closing technology with higher safety is adopted, the superstrong typhoon can be resisted, the sliding and cantilever technology is realized, the multi-ring CV can be used by being directly arranged on a containment vessel, the rapid automatic opening and closing within 20 minutes for multiple times every day is realized, and the like, so that the requirements of nuclear power station lifting and safety are met.
Disclosure of Invention
The invention aims to provide a wing-spreading type openable roof structure which can realize large-area rapid automatic opening and closing on the premise of safety and reliability, invents a holding structure directly arranged on a steel containment vessel, realizes the applicable purpose of CV multiple rings for the first time, and aims to solve the problem of long-period protection of hoisted items in the building and installation process of an AP/CAP series third-generation nuclear power station reactor plant.
A wing-spreading type retractable roof structure comprises main trusses (4) and connecting trusses (5) which are main stressed components of the roof structure, wherein the two main trusses (4) cross the top of a steel containment vessel and are parallelly installed on a holding structure (6), and the two connecting trusses (5) are parallelly arranged between the two main trusses (4);
the turnover structures (2) are symmetrically arranged on two sides of the roof structure and are connected with the main truss (4) through hinges (9), and the lower part of the turnover structures (2) is opened and closed through a hydraulic system (10); arranging a hydraulic supporting truss (12) below the main truss (4) for supporting the hydraulic system (10); a covering (7) is laid on the surface of the roof structure for wind and rain prevention;
the sliding skylight is arranged between the two main trusses (4) and divided into an upper layer and a lower layer, the sliding skylight (3) on the upper layer is arranged above the main trusses (4), the sliding skylight (8) on the lower layer is arranged on the inner side of the main trusses (4), and the sliding skylight and the main trusses (4) control the sliding of the sliding skylight through the movement of a driving trolley (11) in a track on the main trusses (4);
the driving trolley (11) and the sliding skylight are fixed through flanges and are installed on the main truss (4).
Preferably, the maximum overturning angle of the overturning structure (2) is 0-120 degrees.
Preferably, the upper surfaces of the turnover structure (2) and the sliding skylight are both provided with slopes of 2-20 degrees.
Preferably, the hydraulic system (10) is used for controlling the turning structures (2) to be opened and closed, and each turning structure (2) is at least provided with two primary or secondary hydraulic telescopic devices.
Preferably, the movement speed of the hydraulic telescopic device is controlled to be between 0.5mm/s and 10mm/s, and the acceleration is controlled to be between 0.01mm/s2 and 0.1mm/s 2.
Preferably, the movement speed of the driving trolley (11) is controlled to be between 10mm/s and 200mm/s, and the acceleration is controlled to be between 2mm/s2 and 20mm/s 2.
Preferably, a positioning and automatic braking device is arranged on the driving trolley (11) so that the sliding skylight can accurately and safely reach a specified position.
Preferably, at least 4 driving trolleys (11) are arranged on the sliding skylight, wherein at least 2 driving trolleys are arranged, and the rest driving trolleys are arranged on the sliding skylight.
Preferably, the turning structure (2) or the sliding skylight is opened and closed relatively independently.
Preferably, the guide rail can adopt a single rail or a double rail, and a buffer stop block is arranged on the guide rail and can prevent the sliding skylight from sliding out of the rail due to inertia.
Preferably, the roof structure is fixed to the holding structure (6) by means of a bolted or welded connection.
Preferably, the covering (7) is made of a film material.
The wing-unfolding type overturning opening and closing device can be used for realizing automatic large-area opening and closing space and meeting the hoisting requirement by sliding and overhanging opening and closing. The roof structure can be directly installed on the steel system, and can realize quick assembly disassembly through integral hoisting. The roof structure can resist super strong typhoon, ensures safety and reliability in the using process, can be repeatedly used by different units, and improves the economy. The roof structure disclosed by the invention can meet the protection requirements on hoisted objects during the building and installation of a third generation nuclear power station reactor plant represented by AP/CAP series.
Drawings
FIG. 1 is a general view of a wing-spreading retractable roof structure;
FIG. 2 is a front view of the flip structure with one side open and one side closed;
FIG. 3 is a side view of a wingspan type retractable roof structure;
FIG. 4 is a top view of the structure with the sliding roof overhanging outwardly;
FIG. 5 is a general schematic view of the drive carriage;
FIG. 6 is a general schematic view of a flip structure hinge;
FIG. 7 is a general schematic view of a holding structure;
fig. 8 is a structural operation control flowchart.
In the figure, 1, a steel containment vessel, 2, an overturning structure, 3, an upper sliding skylight, 4, a main truss, 5, a connecting truss, 6, a holding structure, 7, a covering, 8, a lower sliding skylight, 9, a hinge, 10, a hydraulic system, 11, a driving trolley, 12 and a hydraulic supporting truss are arranged.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in figures 1-4, the wing-spreading type openable roof structure is applied to the top end of a steel containment vessel of a reactor plant of a third-generation nuclear power station of AP/CAP series, can realize large-area rapid automatic opening and closing on the premise of safety and reliability, meets the requirements of lifting and protection, and achieves the purpose of applying CV multiple rings for the first time by inventing a holding structure installed on the steel containment vessel. A wing-spreading type retractable roof structure at least comprises a roof structure, a hydraulic power system, a driving trolley power system and a holding structure arranged on a steel containment. The roof structure at least comprises a turnover structure, a sliding skylight, a main truss, a connecting truss, a hydraulic support truss and a covering. The turnover structures are symmetrically arranged on two sides of the integral structure of the roof and are connected with the main truss through hinges, and the lower part of the turnover structures is connected with a hydraulic system, so that the turnover structure is turned over and opened and closed, and the maximum turnover angle is 105 degrees; the sliding skylight is arranged between the two main trusses and divided into an upper layer skylight and a lower layer skylight, the upper layer skylight is arranged above the main trusses, the lower layer skylight is arranged on the inner sides of the main trusses, the skylight and the main trusses are connected through the arrangement of a driving power mechanism, a rail and a supporting beam, and the sliding skylight can be overlapped in a sliding mode or overhung outwards to open a hoisting inlet; the main trusses and the connecting trusses are main stressed components of the structure, the two main trusses are arranged on the holding structure in parallel across the steel containment vessel, the two connecting trusses are arranged between the two main trusses in parallel, and the arrangement distance between the main trusses and the connecting trusses needs to meet the requirement of hoisting; 2 hydraulic supporting trusses are arranged below each main truss and used for supporting hydraulic power members; the covering is laid on the surface of the roof structure, preferably using a film material. The overturning structure and the sliding skylight are both provided with 15-degree slopes.
The hydraulic power system is used for controlling the opening and closing of the turnover structure, two primary hydraulic telescopic devices are installed on a single turnover structure, and the synchronous telescopic of the hydraulic devices is realized by adopting the same control box for control; the time for fully opening or fully closing the hydraulic telescopic device is controlled within 20 min.
The driving trolley power system is used for controlling opening and closing of the sliding skylight, 8 trolleys are arranged on a single sliding skylight, 2 trolleys are driving trolleys, the rest 6 trolleys are driven trolleys, the trolleys and the sliding skylight are fixed through flanges and are installed on a guide rail on the main truss, and limiting guide wheels are arranged on each trolley respectively. The farthest sliding opening or closing time of the driving trolley is controlled within 20 min; a positioning and automatic braking device is arranged on the trolley, so that the skylight can accurately and safely reach the designated position.
The guide rail can adopt the single track structural style to install buffer stop on the guide rail, when the skylight that slides executed the action of encorbelmenting outward, buffer stop can prevent that the skylight that slides from because inertia roll-off track. The opening and closing of the whole roof structure are controlled automatically, and the opening and closing of any turnover structure or sliding skylight are relatively independent, so that the opening and closing of the roof structure are more flexible and practical.
As shown in fig. 7, the roof structure is directly installed at the top end of the steel containment vessel of the nuclear island through a holding structure, and the roof structure is fixed on the holding structure in a bolt connection manner. The holding structure is arranged on the safety shell through bolt extrusion friction. The roof structure is installed in a mode of firstly installing the holding structure and then integrally hoisting the roof structure.
In order to meet the requirement of resisting ultra-strong typhoon when the roof structure is integrally closed, the wing-unfolding type overturning structure is fixed on the steel containment vessel through an automatic locking device, and the sliding skylight is fixed on the main truss through the automatic locking device, so that the safety and the reliability of the integral structure under the action of the ultra-strong typhoon are ensured. And installing partial auxiliary facilities on the roof structure, wherein the partial auxiliary facilities comprise a drainage facility, a snow melting device, a lifting platform, an overhaul channel, ventilation equipment and the like.
As shown in fig. 8, the integrated control system can rapidly and safely realize the automatic opening and closing operation of the roof structure.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is intended to include such modifications and variations. The foregoing examples or embodiments are merely illustrative of the present invention, which may be embodied in other specific forms or in other specific forms without departing from the spirit or essential characteristics thereof. The described embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention should be indicated by the appended claims, and any changes that are equivalent to the intent and scope of the claims should be construed to be included therein.
Claims (12)
1. The wingspan type retractable roof structure is characterized by comprising main trusses (4) and connecting trusses (5) which are main stressed components of the roof structure, wherein the two main trusses (4) cross over the top of a steel containment vessel and are parallelly installed on a holding structure (6), and the two connecting trusses (5) are parallelly arranged between the two main trusses (4);
the turnover structures (2) are symmetrically arranged on two sides of the roof structure and are connected with the main truss (4) through hinges (9), and the lower part of the turnover structures (2) is opened and closed through a hydraulic system (10); arranging a hydraulic supporting truss (12) below the main truss (4) for supporting the hydraulic system (10); a covering (7) is laid on the surface of the roof structure for wind and rain prevention;
the sliding skylight is arranged between the two main trusses (4) and divided into an upper layer and a lower layer, the sliding skylight (3) on the upper layer is arranged above the main trusses (4), the sliding skylight (8) on the lower layer is arranged on the inner side of the main trusses (4), and the sliding skylight and the main trusses (4) control the sliding of the sliding skylight through the movement of a driving trolley (11) in a track on the main trusses (4);
the driving trolley (11) and the sliding skylight are fixed through flanges and are installed on the main truss (4).
2. The wingspan type retractable roof structure of claim 1, wherein the maximum tilting angle of the tilting structure (2) is 0-120 °.
3. The wingspan type retractable roof structure as claimed in claim 1, wherein the upper surfaces of the flip structure (2) and the sliding skylight are both provided with a slope of 2-20 degrees.
4. The wingspan type retractable roof structure of claim 1, wherein the hydraulic system (10) is used for controlling the opening and closing of the tilting structures (2), and each tilting structure (2) is provided with at least two primary or secondary hydraulic telescopic devices.
5. The wingspan type retractable roof structure of claim 4, wherein the movement speed of the hydraulic telescopic device is controlled between 0.5mm/s and 10mm/s, and the acceleration is controlled between 0.01mm/s2 and 0.1mm/s 2.
6. A wing-spreading type retractable roof structure as claimed in claim 1, wherein the moving speed of said driving trolley (11) is controlled to be 10mm/s to 200mm/s, and the acceleration is controlled to be 2mm/s2 to 20mm/s 2.
7. A wing-spreading type retractable roof structure as claimed in claim 1, wherein a positioning and automatic braking device is installed on said driving trolley (11) to make said sliding skylight accurately and safely reach a designated position.
8. A wing-spreading type retractable roof structure according to claim 1, wherein said sliding roof is provided with at least 4 of said driving carriages (11), at least 2 of which are driving carriages and the rest of which are driven carriages.
9. The wingspan type retractable roof structure of claim 1, wherein the opening and closing of the flip structure (2) or the sliding skylight are relatively independent.
10. The wing-spreading type retractable roof structure as claimed in claim 1, wherein the guide rail can be a single rail or a double rail, and a buffer stop is installed on the guide rail, and the buffer stop can prevent the sliding roof from sliding out of the rail due to inertia.
11. A wingspan openable and closable roof structure according to claim 1, wherein the roof structure is fixed to the holding structure (6) by means of a bolt or a welded connection.
12. A wingspan-type retractable roof structure according to claim 1, wherein the covering (7) is made of a film material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863088.5A CN111962738A (en) | 2020-08-25 | 2020-08-25 | Wing-unfolding type retractable roof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863088.5A CN111962738A (en) | 2020-08-25 | 2020-08-25 | Wing-unfolding type retractable roof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111962738A true CN111962738A (en) | 2020-11-20 |
Family
ID=73390028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010863088.5A Withdrawn CN111962738A (en) | 2020-08-25 | 2020-08-25 | Wing-unfolding type retractable roof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111962738A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695947A (en) * | 2020-12-15 | 2021-04-23 | 上海核工程研究设计院有限公司 | Temporary top cover turning opening and closing mechanism for reactor factory building |
| CN112962851A (en) * | 2021-03-05 | 2021-06-15 | 中建一局集团建设发展有限公司 | Unsupported overhanging three-wing type opening and closing roof |
-
2020
- 2020-08-25 CN CN202010863088.5A patent/CN111962738A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695947A (en) * | 2020-12-15 | 2021-04-23 | 上海核工程研究设计院有限公司 | Temporary top cover turning opening and closing mechanism for reactor factory building |
| CN112962851A (en) * | 2021-03-05 | 2021-06-15 | 中建一局集团建设发展有限公司 | Unsupported overhanging three-wing type opening and closing roof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201120 |