CN202838983U - Temporary head cover of nuclear island containment vessel - Google Patents
Temporary head cover of nuclear island containment vessel Download PDFInfo
- Publication number
- CN202838983U CN202838983U CN201220490267XU CN201220490267U CN202838983U CN 202838983 U CN202838983 U CN 202838983U CN 201220490267X U CN201220490267X U CN 201220490267XU CN 201220490267 U CN201220490267 U CN 201220490267U CN 202838983 U CN202838983 U CN 202838983U
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- China
- Prior art keywords
- containment
- base
- plate
- winder
- ring flat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The utility model relates to a temporary head cover of a nuclear island containment vessel. The temporary head cover is characterized by comprising a stereo frame placed on the top, wherein a cross section of the stereo frame is triangular; an upper part inclined plane from vertexes of the stereo frame to two sides is covered by a movable water-proof material capable of being remotely controlled to open or roll up through a driving mechanism; the stereo frame is provided with a quadrate base; an annular plate of the containment vessel is completely covered by the base; the base and the annular plate of the containment vessel are transited through a transition structure; and the transition structure is provided with a quadrate opening matched with the base and a round opening matched with the top of the annular plate of the containment vessel. According to the temporary head cover, a previous fixed thinking mode of using a round truss head cover to connect with a cylindrical containment vessel is broken through, the temporary head cover is in structural complanation, the transmission and arrangement are simplified, so that an opening operation and an closing operation of the water-proof material are more flexible; and the movable water-proof materials on multiple positions are independently driven, so that the construction efficiency is improved, the manpower hour is reduced, an operator is greatly facilitated, the operator safety is guaranteed, and the construction environment is improved.
Description
Technical field
The utility model relates to a kind of interim top cover of nuclear island of nuclear power station containment, is applicable to open the nuclear power type of top method construction, also is applicable to similar operating mode and the environment of cylindrical or other shaped objects.
Background technology
Open top method construction theory and changed traditional dutiful boundary that builds, become one of generation Ⅲ nuclear power engineering-built mode commonly used.Open top method mode of construction rainwater is entered in the containment and adopt, to make troubles to construction, to cause the damage of building materials, specialized equipment.The interim top cover of nuclear island containment is installed is out the interim measure of top method, can solve that nuclear island is windproof, rainproof during opening the top method and building, the construction difficult problem of finished product protection.The interim top cover that adopts in the present stage nuclear power engineering construction mostly adopt with the nuclear island containment plane sizes of cylinder-shaped steel structure conform to, the cross section is circular segment dome structure, circular truss connecting cylinder shape containment is adopted in the segment bottom.Yet there are some problems in present interim design of cover, can't reach the requirement that three generations's nuclear power engineering is built progress and safety in the interim top cover effect of performance.Be applied at present the interim top cover of constructing, need personnel to stand in top cover when using and use artificial manual mode that waterproof material is drawn in or opens, main shortcoming is to mount and dismount time-consuming, and work high above the ground has also strengthened the danger coefficient of construction; The frequent installation and the reduction of dismounting posterior nodal point water resistance easily caused seepage; Former interim top cover only can be installed in containment ring flat-plate upper with the ring hanging beam, can't be installed on lower other ring flat-plates that do not encircle hanging beam, cause to this moment containment inside relevant device can't protect.
Summary of the invention
The purpose of this utility model has provided a kind of remote-controlled operation and the wider interim top cover of nuclear island of nuclear power station containment of range of application.
In order to achieve the above object, the technical solution of the utility model has provided a kind of interim top cover of nuclear island containment, it is characterized in that: comprise the roof type space framework that is positioned at the top, the cross section of space framework is triangle, upper angled plane on summit to the both sides of space framework is coated with by the remote-controlled movable waterproof material of opening or rolling of remote control driving mechanism, space framework has square base, base covers the containment ring flat-plate fully and is connected to each other by anchor clamps, by the transition structure transition of old name for the Arabian countries in the Middle East's ground circle, transition structure has the square aperture that matches with base and the circular open that matches with the containment ring flat-plate between base and the containment ring flat-plate.
Preferably, described space framework comprises the crossbeam that is positioned at the top, the left and right sides at crossbeam is fixed with respectively the first waterproof material, is respectively equipped with the cant beam of at least two inclinations in the both sides, front and back of crossbeam, is coated with a described movable waterproof material between adjacent two cant beams in the left and right sides.Be convenient lifting super large overlength part, cant beam and beam design are detachable block.
Preferably, at described crossbeam and cant beam rhone is set, is provided be used to the auxiliary equipment of improving containment interior construction environment at cant beam.
Preferably, described auxiliary equipment comprises lightning rod, ventilation, ventilation, illumination, access path or security guardrail.
Preferably, described remote control driving mechanism comprises the spool that is driven rotation by remote-control motor, when described movable waterproof material is rolled, it is wound on the described spool, be furnished with passive pressure pin at movable waterproof material, slide in the guide rail in described cant beam respectively in the two ends of pressure pin, be respectively equipped with a pair of winder in the both sides of pressure pin, the every pair of winder comprises the first winder of the end that is positioned at spool and coaxial setting and by the second winder of the first winder driven rotary, between the first winder and the second winder, be connected with the first wire rope and the second wire rope, the end of pressure pin links to each other with the second wire rope that is positioned at this end homonymy, is driven the rotation of volume Two line device by the first wire rope and then drawn the second wire rope by the first winder to drive described movable waterproof material and open or roll.
Preferably, described remote-control motor is the tube shaped electric machine that is arranged in two motors at each spool two ends or is arranged in spool inside, position by scrambler or the limit switch initial sum final position to described movable waterproof material, send signal by scrambler or limit switch to described remote-control motor and control its startup and stop.
Preferably, described motor or described tube shaped electric machine carry the inside brake device.
Preferably, described spool is positioned at the bottom of described space framework, and described the second winder is positioned at the position that described cant beam is connected with described crossbeam.
Preferably, the transition structure of described old name for the Arabian countries in the Middle East ground circle comprises many reinforcements, one end of every reinforcement is connected to the outside of described containment ring flat-plate, the other end links to each other with described space framework, be coated with the second waterproof material between adjacent two reinforcements, all second waterproof materials are held the containment ring flat-plate tightly by hoop.
Preferably, comprise also be used to the many long columns of containment ring flat-plate that are installed in the ring hanging beam that one end of long column is connected with ring hanging beam bolt on the described containment ring flat-plate, the other end is connected with described bolt of lower base.
The utility model is broken through the fixedly thoughtcast of circular truss top cover connecting cylinder shape containment in the past, structural plan with interim top cover, transmission and layout have been simplified, make the opening and closing operation of waterproof material more flexible, the movable waterproof material drive of many places has improved operating efficiency, reduced when artificial, the handled easily personnel have ensured personal security greatly, have improved construction environment; Play simultaneously and can prevent that rainwater from entering in the containment, not affecting the effect such as lifting operation when not affecting top portion ventilation, hanging device; Also can be installed on lower other ring flat-plates that do not encircle hanging beam, range of application is wider.
Description of drawings
Fig. 1 is the schematic perspective view of the interim top cover of a kind of nuclear island containment among the embodiment;
Fig. 2 is the schematic perspective view on the other direction of interim top cover of a kind of nuclear island containment among the embodiment;
Fig. 3 is the structural representation of the remote control driving mechanism among the embodiment.
Embodiment
For the utility model is become apparent, hereby with preferred embodiment, and cooperate accompanying drawing to be described in detail below.
As shown in Figures 1 and 2, the interim top cover of the disclosed a kind of nuclear island containment of present embodiment comprises the roof type space framework that is positioned at the top, and space framework is the top cover of the interim top cover of whole nuclear island containment.The cross section of space framework is triangle.Space framework comprises the crossbeam 2 that is positioned at the top.Crossbeam 2 can be designed as respectively independently three sections, can dismantle a certain section during lifting super large overlength part temporarily.The left and right sides at crossbeam 2 fixedly mounts respectively the first waterproof material 9 on perpendicular to the direction of space framework xsect.The dismountable cant beam 1 that connects four inclinations in the both sides, front and back of crossbeam 2, totally eight cant beams 1.Four cant beams 1 are divided into three parts according to the part that the large young pathbreaker of hanging device is positioned at crossbeam 2 one sides, be coated with one by the remote-controlled waterproof material of opening or rolling 6 of remote control driving mechanism in each part, totally six blocks of waterproof materials 6, waterproof material 6 are arranged on the upper angled plane on summit to both sides of space framework.Space framework has square base 10, and base 10 covers containment ring flat-plate 8 fully, passes through the transition structure transition of old name for the Arabian countries in the Middle East's ground circle between base 10 and the containment ring flat-plate 8, to reduce windage.Transition structure has the square aperture that matches with base 10 and the circular open that matches with containment ring flat-plate 8.
When needs were installed on space framework on the containment ring flat-plate 8, the first sectional fixture 3 of fixedly needs of base 10 and containment ring flat-plate 8 was about to be locked at the U-shaped clamp structure of holding screw the inside and outside wall of containment ring flat-plate 8.Anchor clamps 3 circumference by relatively base 10 fine settings of slot, are installed in space framework on the containment ring flat-plate 8 with convenient around the base plate big hole of base 10 smoothly.
When space framework need to be installed on higher with the containment ring flat-plate 8 of ring hanging beam 5 on the time (as shown in Figure 1), for increasing wind loading rating, need to increase in addition bolted long column 4 at base 10, with high-strength bolt long column 4 is connected on the ring hanging beam 5.
In conjunction with Fig. 3, the remote control driving mechanism comprises the spool 7 that is driven rotation by remote-control motor, every movable waterproof material 6 corresponding spools 7.When movable waterproof material 6 was rolled, it was wound on the spool 7.Driving can be at each two motor of spool 7 disposed outside or at tube shaped electric machine of the inner installation of spool.Use scrambler or limit switch that the initial sum final position of movable waterproof material is positioned, send signal control motor and start and stop, this motor carries the inside brake device.Be the size that reduces crossbeam 2, convenient lifting, spool 7 be placed on the bottom of space framework.Be furnished with gearing (containing expansion tightening wheel, transition wheel etc.) in the cant beam 1, seal closure 14 plays the effect of protection motor and water-tight.Whenever keeping at a certain distance away on movable waterproof material 6 and just arrange a pressure pin 16, slides in the guide rail in cant beam 1 respectively in the two ends of pressure pin 16.Be respectively equipped with a pair of winder in the both sides of pressure pin 16, the every pair of winder comprises the first winder 15 of the end that is positioned at spool 7 and coaxial setting and by the second winder 19 of the first winder 15 driven rotary.The second winder 19 is positioned at the position that cant beam 1 is connected with crossbeam 2.Between the first winder 15 and the second winder 19, be connected with the first wire rope 17 and the second wire rope 18, the end of pressure pin 16 links to each other with the second wire rope 18 that is positioned at this end homonymy, is driven 19 rotations of the second winder by the first wire rope 17 and then drawn the second wire rope 18 by the first winder 15 to drive described movable waterproof material 6 and open or roll.
In order to guarantee job safety and to improve the construction environment of containment inside, at described cant beam 1 and crossbeam 2 rhone is set, be provided with the auxiliary equipment such as lightning rod, ventilation, ventilation, illumination, access path, security guardrail at cant beam 1.
Claims (10)
1. the interim top cover of a nuclear island containment, it is characterized in that: comprise the roof type space framework that is positioned at the top, the cross section of space framework is triangle, upper angled plane on summit to the both sides of space framework is coated with by the remote-controlled movable waterproof material (6) of opening or rolling of remote control driving mechanism, space framework has square base (10), base (10) covers containment ring flat-plate (8) fully, by the transition structure transition of old name for the Arabian countries in the Middle East's ground circle, transition structure has the square aperture that matches with base (10) and the circular open that matches with containment ring flat-plate (8) between base (10) and the containment ring flat-plate (8).
2. the interim top cover of a kind of nuclear island containment as claimed in claim 1, it is characterized in that: described space framework comprises the crossbeam (2) that is positioned at the top, be fixed with respectively the first waterproof material (9) in the left and right sides of crossbeam (2), be respectively equipped with the cant beam (1) of at least two inclinations in the both sides, front and back of crossbeam (2), be coated with a described movable waterproof material (6) between adjacent two cant beams in the left and right sides (1).
3. the interim top cover of a kind of nuclear island containment as claimed in claim 2, it is characterized in that: be provided with rhone at described cant beam (1) and described crossbeam (2), be provided be used to the auxiliary equipment of improving containment interior construction environment at described cant beam (1).
4. the interim top cover of a kind of nuclear island containment as claimed in claim 1, it is characterized in that: described remote control driving mechanism comprises the spool (7) that is driven rotation by remote-control motor, described movable waterproof material (6) is when rolling, and it is wound on the described spool (7); Being furnished with pressure pin (16) at movable waterproof material (6), slides in the guide rail in described cant beam (1) respectively in the two ends of pressure pin (16); Both sides at pressure pin (16) are respectively equipped with a pair of winder, and the every pair of winder comprises first winder (15) of the end that is positioned at spool (7) and coaxial setting and by second winder (19) of the first winder (15) driven rotary; Between the first winder (15) and the second winder (19), be connected with the first wire rope (17) and the second wire rope (18), the end of pressure pin (16) links to each other with the second wire rope (18) that is positioned at this end homonymy, drives the second winder (19) by the first winder (15) by the first wire rope (17) and rotates and then draw the second wire rope (18) and drive described movable waterproof material (6) and open or roll.
5. the interim top cover of a kind of nuclear island containment as claimed in claim 4, it is characterized in that: described remote-control motor is for being arranged in two motors at each spool (7) two ends or being arranged in the inner tube shaped electric machine of spool (7), position by scrambler or the limit switch initial sum final position to described movable waterproof material (6), send signal by scrambler or limit switch to described remote-control motor and control its startup and stop.
6. the interim top cover of a kind of nuclear island containment as claimed in claim 5, it is characterized in that: described motor or described tube shaped electric machine carry the inside brake device.
7. the interim top cover of a kind of nuclear island containment as claimed in claim 4, it is characterized in that: described spool (7) is positioned at the bottom of described space framework, and described the second winder (19) is positioned at the position that described cant beam (1) is connected with described crossbeam (2).
8. the interim top cover of a kind of nuclear island containment as claimed in claim 1, it is characterized in that: the transition structure of described old name for the Arabian countries in the Middle East ground circle comprises many reinforcements (13), one end of every reinforcement (13) is connected to the outside of described containment ring flat-plate (8), the other end links to each other with described space framework, be coated with the second waterproof material (11) between adjacent two reinforcements (13), the second waterproof material (11) is held containment ring flat-plate (8) tightly by hoop (12).
9. the interim top cover of a kind of nuclear island containment as claimed in claim 1, it is characterized in that: also comprise be used to the many long columns (4) that are installed in the containment ring flat-plate (8) of ring hanging beam (5), one end of long column (4) is connected with ring hanging beam (5) bolt on the described containment ring flat-plate (8), and the other end is connected with described base (10) bolt.
10. the interim top cover of a kind of nuclear island containment as claimed in claim 1, it is characterized in that: when needs are installed on space framework on the containment ring flat-plate (8), the first sectional fixture of fixedly needs (3) of base (10) and containment ring flat-plate (8) is about to be locked at the U-shaped clamp structure of holding screw the inside and outside wall of containment ring flat-plate (8).Anchor clamps (3) circumference by relatively base (10) fine setting of slot, is installed in space framework on the containment ring flat-plate (8) with convenient around the base plate big hole of base (10) smoothly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220490267XU CN202838983U (en) | 2012-09-21 | 2012-09-21 | Temporary head cover of nuclear island containment vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220490267XU CN202838983U (en) | 2012-09-21 | 2012-09-21 | Temporary head cover of nuclear island containment vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838983U true CN202838983U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220490267XU Withdrawn - After Issue CN202838983U (en) | 2012-09-21 | 2012-09-21 | Temporary head cover of nuclear island containment vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202838983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855947A (en) * | 2012-09-21 | 2013-01-02 | 国核工程有限公司 | Temporary roof cover of nuclear island safety shell |
-
2012
- 2012-09-21 CN CN201220490267XU patent/CN202838983U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855947A (en) * | 2012-09-21 | 2013-01-02 | 国核工程有限公司 | Temporary roof cover of nuclear island safety shell |
| CN102855947B (en) * | 2012-09-21 | 2015-03-11 | 国核工程有限公司 | Temporary roof cover of nuclear island safety shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130327 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |