CN202925868U - Reactor internals working platform system - Google Patents
Reactor internals working platform system Download PDFInfo
- Publication number
- CN202925868U CN202925868U CN 201220655217 CN201220655217U CN202925868U CN 202925868 U CN202925868 U CN 202925868U CN 201220655217 CN201220655217 CN 201220655217 CN 201220655217 U CN201220655217 U CN 201220655217U CN 202925868 U CN202925868 U CN 202925868U
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- pool wall
- ring
- cover plate
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Abstract
The utility model discloses a reactor internals working platform system. The system comprises a cover plate platform, pool wall platforms and an annular platform, wherein the cover plate platform is arranged at the top of reactor internals; the pool wall platforms are two layers of platforms suspended on the pool wall; the annular platform is an annular platform with a notch and is suspended on the cylinder of the internals; the two layers of pool wall platforms are respectively an upper layer platform and a lower layer platform; the upper layer platform is a working platform mounted on a guide column of the pool wall; and the height of the lower layer platform is consistent with the height of the annular platform, and the lower layer platform and the annular platform form a complete annular working platform for grinding nozzles. Compared with the prior art, the reactor internals working platform system is simple and convenient to mount, and multi-plane construction can be realized; and reactor internals bodies can be cleaned and protected.
Description
Technical field
The utility model relates to the installation of pressure vessel in-pile component in the nuclear power station construction, relates in particular to a kind of in-pile component Work platform system.
Background technology
In nuclear power station in-pile component installation process; need to carry out to the inside and outside surface of in-pile component the works for the treatment of such as the polishing of delivery port ozzle, the welding of flow ozzle, inner cavity size measurement, lead installation; and the working region need to reach the requirement of one-level clear area, comprises that the external surface to in-pile component wraps up protection, provides ventilation and illumination etc. to inside.For this reason, must provide stable a, platform easily, so that the staff can arrive the plane that need to carry out work.
At present, domestic in the in-pile component installation process, all by set up the mode of cripple in the pond, the platform that provides personnel to work, but there is following defective in this kind mode: 1) scaffolding platform can't with respect to the protection to in-pile component, also need to take extra measure to reach the requirement that the clear area is controlled; 2) scaffold is taken root from basin bottom and is set up, and easily causes surrounding environment chaotic, so that buries potential safety hazard; 3) scaffolding platform function singleness is set up the platform of differing heights for different needs of work, repeat loaded down with trivial details.As seen, scaffolding platform is not only consuming time, dangerous, and can't guarantee the protection requirement of one-level clear area, can't satisfy the construction demand that in-pile component is processed.
In view of this, the necessary in-pile component Work platform system that a kind of simple installation is provided and is convenient to clean protection.
The utility model content
The purpose of this utility model is: a kind of simple installation is provided and is convenient to clean the in-pile component Work platform system of protection, the construction demand when processing to satisfy in-pile component.
to achieve these goals, the utility model provides a kind of in-pile component Work platform system, it comprises the cover plate platform, pool wall platform and ring-shaped platform, the cover plate platen cover is located at the in-pile component top, the pool wall platform is the two-layer platform that is suspended on pool wall, ring-shaped platform is the ring-shaped platform jaggy of being with that is suspended on the in-pile component cylindrical shell, two-layer upper platform and the lower floor's platform of being respectively of pool wall platform, upper platform is the working platform that the pool wall lead is installed, lower floor's platform is consistent with the ring-shaped platform height and both jointly form the complete annular working platform of ozzle polishing use.
A kind of improvement as the utility model in-pile component Work platform system also comprises the supporting seat that rest on the ground, and supporting seat provides fixing for the pool wall platform.
As a kind of improvement of the utility model in-pile component Work platform system, also comprise the cat ladder that is connected between ground and cover plate platform, pool wall platform, ring-shaped platform.
As a kind of improvement of the utility model in-pile component Work platform system, what the width of the two-layer platform of described pool wall platform guaranteed all that it can the interference stacks inner member hangs in, hangs out.
As a kind of improvement of the utility model in-pile component Work platform system, lower floor's platform of described pool wall platform is approximately 1/4 ring, and ring-shaped platform is 3/4 ring, both jointly forms the complete annular working platform of ozzle polishing use.
As a kind of improvement of the utility model in-pile component Work platform system, described ring-shaped platform is combined by two or more chain-waless, and each chain-wales is suspended on the cylindrical shell of in-pile component by arm.
A kind of improvement as the utility model in-pile component Work platform system, be accompanied with on described cover plate platform and be with airfiltering ventilating mechanisms, and be provided with manhole, the rope ladder that makes the staff enter in-pile component inside, the outer hanging point that hangs flameproof fabric that is arranged with of cover plate platform.
As a kind of improvement of the utility model in-pile component Work platform system, described cover plate platform is the circular cover that diameter is slightly less than the in-pile component external diameter.
As a kind of improvement of the utility model in-pile component Work platform system, described cover plate platform, pool wall platform and ring-shaped platform are all by prefabricated, the assembled platform of light-weight metal.
As a kind of improvement of the utility model in-pile component Work platform system, the material of described cover plate platform, pool wall platform and ring-shaped platform is all stainless steel or aluminium alloys.
Compared with prior art, the utility model in-pile component Work platform system is simple installation not only, and can realize the construction of many planes, can clean protection to the in-pile component body simultaneously.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model in-pile component Work platform system and useful technique effect thereof are elaborated, wherein:
Fig. 1 is the structural representation of the utility model in-pile component Work platform system.
Fig. 2 is the pool wall platform structure schematic diagram of the utility model in-pile component Work platform system.
Fig. 3 is the ring-shaped platform structural representation of the utility model in-pile component Work platform system.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and useful technique effect thereof more clear, below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.Should be understood that, the specific embodiment of describing in this manual is only in order to explain the utility model, is not in order to limit the utility model.
See also Fig. 1, the utility model in-pile component Work platform system comprises cover plate platform 10, pool wall platform 20, cat ladder 30, supporting seat 40 and ring-shaped platform 50.Wherein, cover plate platform 10, pool wall platform 20 and ring-shaped platform 50 are all by prefabricated, assembled platforms of light-weight metal such as the stainless steel of appropriate design or aluminium alloyss; therefore can not only for corresponding site provides working face, can also protect in-pile component 60.
Please consult simultaneously Fig. 2, pool wall platform 20 is independent platforms that are suspended on pool wall 70, comprises that upper platform 22 and lower floor's platform 24 are two-layer, and the width of two-layer platform all is designed to guarantee hanging in, hanging out of interference stacks inner member 60 not.Wherein, upper platform 22 is working platformes that pool wall lead 72 is installed, and its height is as the criterion with the installation that is suitable for pool wall lead 70, is approximately 1m apart from the distance at pool wall lead 72 centers; Lower floor's platform 24 is approximately 1/4 ring, is the working platform of ozzle 62 polishing use, and its height is a little less than ozzle 62, and standing thereon ozzle 62 to be polished with suitable staff is as the criterion.
Supporting seat 40 is positioned on the ground of 20m, and it provides sufficiently stable fixing and support by beat expansion bolt or other forms on ground for pool wall platform 20.
Please consult simultaneously Fig. 1 and Fig. 3, ring-shaped platform 50 is 3/4 ring-shaped platforms that are suspended on the cylindrical shell of in-pile component 60, and its height is consistent with lower floor's podium level of pool wall platform 20, and both forms complete annular.Ring-shaped platform 50 is divided into again that shown in two or more chain-wales 52(Fig. 3, embodiment is five chain-waless 52), each chain-wales 52 is suspended on the cylindrical shell of in-pile component 60 by an arm 54, and then five chain-waless 52 are combined into 3/4 ring-shaped platform.Ring-shaped platform 50 is also the working platform of ozzle 62 polishing use, is designed to carry at least 10 people, and it only uses when polishing ozzle 62, can remove at ordinary times.
Cat ladder 30 is connected between ground and cover plate platform 10, pool wall platform 20, ring-shaped platform 50, provides passage for the staff enters above-mentioned three platforms 10,20,30 from nuclear island 20 meter faces.
By above description as can be known, the utility model is simple installation not only, and can realize the construction of many planes, can clean protection to in-pile component 60 simultaneously, is that a kind of the cleaning protected respond well, convenient easy-to-use in-pile component Work platform system.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the specific embodiment that discloses and describe above the utility model is not limited to also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although used some specific terms in this manual, these terms do not consist of any restriction to the utility model just for convenience of description.
Claims (10)
1. in-pile component Work platform system, it is characterized in that: comprise cover plate platform, pool wall platform and ring-shaped platform, the cover plate platen cover is located at the in-pile component top, the pool wall platform is the two-layer platform that is suspended on pool wall, ring-shaped platform is the ring-shaped platform jaggy of being with that is suspended on the in-pile component cylindrical shell, two-layer upper platform and the lower floor's platform of being respectively of pool wall platform, upper platform is the working platform that the pool wall lead is installed, and lower floor's platform is consistent with the ring-shaped platform height and both jointly form the complete annular working platform of ozzle polishing use.
2. in-pile component Work platform system according to claim 1, it is characterized in that: also comprise the supporting seat that rest on the ground, supporting seat provides fixing for the pool wall platform.
3. in-pile component Work platform system according to claim 1 is characterized in that: also comprise the cat ladder that is connected between ground and cover plate platform, pool wall platform, ring-shaped platform.
4. in-pile component Work platform system according to claim 1 is characterized in that: what the width of the two-layer platform of described pool wall platform guaranteed all that it can the interference stacks inner member hangs in, hangs out.
5. in-pile component Work platform system according to claim 1 is characterized in that: lower floor's platform of described pool wall platform is approximately 1/4 ring, and ring-shaped platform is 3/4 ring, both jointly forms the complete annular working platform of ozzle polishing use.
6. in-pile component Work platform system according to claim 1, it is characterized in that: described ring-shaped platform is combined by two or more chain-waless, and each chain-wales is suspended on the cylindrical shell of in-pile component by arm.
7. in-pile component Work platform system according to claim 1, it is characterized in that: be accompanied with on described cover plate platform and be with airfiltering ventilating mechanisms, and be provided with manhole, the rope ladder that makes the staff enter in-pile component inside, the outer hanging point that hangs flameproof fabric that is arranged with of cover plate platform.
8. in-pile component Work platform system according to claim 7, it is characterized in that: described cover plate platform is the circular cover that diameter is slightly less than the in-pile component external diameter.
9. the described in-pile component Work platform system of any one according to claim 1 to 8, it is characterized in that: described cover plate platform, pool wall platform and ring-shaped platform are all by prefabricated, the assembled platform of light-weight metal.
10. the described in-pile component Work platform system of any one according to claim 1 to 8, it is characterized in that: the material of described cover plate platform, pool wall platform and ring-shaped platform is all stainless steel or aluminium alloys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655217 CN202925868U (en) | 2012-12-03 | 2012-12-03 | Reactor internals working platform system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655217 CN202925868U (en) | 2012-12-03 | 2012-12-03 | Reactor internals working platform system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202925868U true CN202925868U (en) | 2013-05-08 |
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ID=48215842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220655217 Expired - Lifetime CN202925868U (en) | 2012-12-03 | 2012-12-03 | Reactor internals working platform system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202925868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887044A (en) * | 2017-10-27 | 2018-04-06 | 三门核电有限公司 | A kind of reactor bottom in-pile component underwater centralising device at a distance |
| CN114856150A (en) * | 2021-02-04 | 2022-08-05 | 中国核工业二三建设有限公司 | Nuclear power station reactor pressure vessel and steam generator connecting hook operation platform |
-
2012
- 2012-12-03 CN CN 201220655217 patent/CN202925868U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887044A (en) * | 2017-10-27 | 2018-04-06 | 三门核电有限公司 | A kind of reactor bottom in-pile component underwater centralising device at a distance |
| CN107887044B (en) * | 2017-10-27 | 2019-07-19 | 三门核电有限公司 | A kind of reactor lower part in-pile component underwater centralising device at a distance |
| CN114856150A (en) * | 2021-02-04 | 2022-08-05 | 中国核工业二三建设有限公司 | Nuclear power station reactor pressure vessel and steam generator connecting hook operation platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |