CN212506983U - Wing-unfolding type retractable roof structure - Google Patents
Wing-unfolding type retractable roof structure Download PDFInfo
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- CN212506983U CN212506983U CN202021793836.9U CN202021793836U CN212506983U CN 212506983 U CN212506983 U CN 212506983U CN 202021793836 U CN202021793836 U CN 202021793836U CN 212506983 U CN212506983 U CN 212506983U
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Abstract
The utility model discloses a wing-unfolding type retractable roof structure, which comprises a main truss (4) and a connecting truss (5) which are main stress 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). The utility model discloses in order to satisfy the requirement of resisting superstrong typhoon when the roof structure is whole closed, exhibition wing formula upset structure adopts cable or automatic locking device to fix on the steel containment with holding the structure accessible with, and the skylight accessible that slides adopts cable or automatic locking device to fix on the main truss to guarantee security, the reliability of overall structure under superstrong typhoon effect.
Description
Technical Field
The utility model belongs to the technical field of reactor steel containment hoist and mount, in particular to flexible containment room lid technique that opens and shuts.
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 utility model discloses a room lid structure that opens and shuts and ann changes method of exhibition wing formula, not only structural design is unique novel, has carried out many-sided innovation optimization moreover, including adopting the higher hydraulic pressure of security technique of opening and shutting, can resist superstrong typhoon, realized sliding the technique of encorbelmenting, realized all can using of CV multiple ring through the direct mount on the containment, realized that the automation is fast opened and shut etc. many times and in 20 minutes every day to satisfy the demand of nuclear power station hoist and mount and security.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose the utility model relates to a room lid structure can open and shut by exhibition wing formula can realize the quick automation of large tracts of land under safe and reliable's prerequisite and open and shut, and utility model a structure is held with installing on the steel containment to the direct mount, has realized the equal applicable target of CV multiple ring for the first time, is dedicated to solving AP CAP series third generation nuclear power station reactor plant building safety in-process to the long period protection problem of hoist and mount item.
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 track can adopt a single track or double tracks, and a buffer stop block is arranged on the track and can prevent the sliding skylight from sliding out of the track 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 utility model discloses a roof structure can be satisfied with the protection requirement to the hoisted object during AP/CAP series is for the third generation nuclear power station reactor factory building of representative is built and is installed.
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 above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in figures 1-4, an exhibition wing formula room lid structure that can open and shut is applied to AP/CAP series third generation nuclear power station reactor factory building steel containment top, can realize the quick automation of large tracts of land under safe and reliable's prerequisite and open and shut, has satisfied the requirement of hoist and mount and protection simultaneously, and has just through utility model a install on the steel containment with holding the structure, has realized the equal applicable target of CV multiple ring for the first time. 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 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 and their equivalents, the present invention is also intended to encompass such modifications and variations. The above-described embodiments or implementations are merely illustrative of the present invention, which may be embodied in other specific forms or arrangements 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 determined by the appended claims, and any changes that are equivalent to the intent and scope of the claims are intended to be embraced 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 said track is a single track or a double track, and a buffer stop is installed on said track, said buffer stop preventing said sliding roof from sliding out of said track 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 |
|---|---|---|---|
| CN202021793836.9U CN212506983U (en) | 2020-08-25 | 2020-08-25 | Wing-unfolding type retractable roof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021793836.9U CN212506983U (en) | 2020-08-25 | 2020-08-25 | Wing-unfolding type retractable roof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506983U true CN212506983U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021793836.9U Active CN212506983U (en) | 2020-08-25 | 2020-08-25 | Wing-unfolding type retractable roof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212506983U (en) |
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2020
- 2020-08-25 CN CN202021793836.9U patent/CN212506983U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
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 |