CN207526021U - A kind of personnel suitable for reactor pass through trestle - Google Patents
A kind of personnel suitable for reactor pass through trestle Download PDFInfo
- Publication number
- CN207526021U CN207526021U CN201721400534.9U CN201721400534U CN207526021U CN 207526021 U CN207526021 U CN 207526021U CN 201721400534 U CN201721400534 U CN 201721400534U CN 207526021 U CN207526021 U CN 207526021U
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- China
- Prior art keywords
- trestle
- reactor
- pedal
- platform
- temperature measurement
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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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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model belongs to nuclear power station reactor core neutron detector maintenance technology field, and in particular to a kind of personnel suitable for reactor pass through trestle.In the utility model, several trestle pedals are misplaced from top to bottom, and step structure is formed between reactor platform and protection tube assembly shipping platform；The trestle pedal of extreme higher position is equipped with trestle fixation holes, and fixation kit mutually fixes the trestle pedal of extreme higher position with reactor platform across trestle fixation holes；The trestle pedal lower end of extreme lower position is equipped with trestle cat ladder section, which is in frame structure, is supported in above protection tube assembly shipping platform；On the trestle pedal of correspondence neutron temperature Measurement channel position to be replaced, reserving hole is installed equipped with several neutron temperature Measurement channels.The utility model can enhance safety and the convenience of the dismounting work of neutron temperature Measurement channel, can be widely applied to the work of the units such as VVER refueling outage.
Description
Technical field
The utility model belongs to nuclear power station reactor core neutron detector maintenance technology field, and in particular to one kind is applicable in
It passes through trestle in the personnel of reactor.
Background technology
Field gulf nuclear power station neutron temperature Measurement channel has 54, is installed in the preformed hole of fuel assembly, for completing to supervise
It is near to survey tasks, the overall length such as netron-flux density, cooling agent entrance and pressure head cover temperature of lower, refrigerant level in reactor
13 meters, it is immersed in nearly 12 meters of reactor coolant part.
Due to the needs that reload during overhaul, neutron temperature Measurement channel need to be extracted, it is flat to be fixed on protection tube assembly transport
On platform, until after reloading, then from tube assembly shipping platform last time is protected to be filled in fuel assembly, this neutron temperature measures logical
Road dismounting work works for the critical path of field gulf nuclear power station overhaul.
Currently, personnel need to be dismounted and be fixed behaviour to neutron temperature measuring channel on protection tube assembly shipping platform
Make, as shown in Figure 1, since protection tube assembly shipping platform and 34 meters of reactor platform have certain distance, two platforms have
Nearly two meters of drop, personnel carry out operation to be gone on protection tube assembly shipping platform from reactor platform, can only be by outstanding
Arm lifts up into the transport of administrative staff and related Work tool, and such means of transportation has the disadvantages that：
1st, used hanging basket load and capacity are limited, personnel and related Work tool can only transported batchwise, reduce work effect
Rate；
2nd, personnel are hoisted to shipping platform by hanging basket, completely hanging in transportational process, with more than ten rice of ground drop, have
The risk that personnel fall；
3rd, Work tool used in operation is mostly compared with small articles, and quantity is more, subtle if falling, and is made to reactor core
Into foreign matter risk.
Based on case above, there is an urgent need for take measures to improve the personnel of neutron temperature Measurement channel dismounting work and Work tool fortune
Defeated mode increases the convenience of this work.
Utility model content
The utility model technical issues that need to address are：It provides a kind of personnel suitable for reactor to pass through trestle, carry
Efficiency and safety of the high round-trip reactor platform of staff with protection tube assembly shipping platform.
The technical solution of the utility model is as described below：
A kind of personnel suitable for reactor pass through trestle, are measured including trestle fixation holes, trestle pedal, neutron temperature
Channel installs reserving hole and trestle cat ladder section：Several trestle pedals are misplaced from top to bottom, in reactor platform and guarantor
Step structure is formed between pillar component shipping platform；Trestle pedal be in contact with reactor platform, extreme higher position is set
There are trestle fixation holes, fixation kit passes through trestle fixation holes that the trestle pedal of extreme higher position is mutually solid with reactor platform
It is fixed；Trestle pedal lower end be close with protection tube assembly shipping platform, extreme lower position is equipped with trestle cat ladder section, which erects
Bench is in frame structure, is supported in above protection tube assembly shipping platform；In correspondence neutron temperature Measurement channel position to be replaced
On the trestle pedal put, reserving hole is installed equipped with several neutron temperature Measurement channels.
Preferably：Handrail is equipped in the step structure both sides that several trestle pedals are formed.
Preferably：The fixation kit is bolt.
The beneficial effects of the utility model are：
A kind of personnel suitable for reactor of the utility model pass through trestle, can be firmly secured at reactor platform
And on protection tube assembly shipping platform, between facilitating round-trip two platforms of staff, the Measurement channel dismounting of enhancing neutron temperature
The safety of work and convenience can be widely applied to the work of the units such as VVER refueling outage.
Description of the drawings
Fig. 1 dismounts work-yard schematic diagram for neutron temperature Measurement channel；
Fig. 2 is that a kind of personnel suitable for reactor of the utility model pass through trestle scheme of installation；
Fig. 3 is that a kind of personnel suitable for reactor of the utility model pass through trestle work structure schematic diagram；
Fig. 4 is that a kind of personnel suitable for reactor of the utility model pass through trestle front view；
Fig. 5 is that a kind of personnel suitable for reactor of the utility model pass through trestle vertical view.
In figure, 1- trestle fixation holes；2- trestle pedals；3- handrails；4- neutron temperatures Measurement channel installs reserving hole；
5- trestle cat ladder sections；6- protects tube assembly shipping platform；7- reactor platforms；8- neutron temperature Measurement channels.
Specific embodiment
The trestle that passes through with reference to the accompanying drawings and examples to a kind of personnel suitable for reactor of the utility model carries out
It is described in detail.
As shown in Figures 2 to 5, a kind of personnel suitable for reactor of the utility model pass through trestle, consolidate including trestle
Determine hole 1, trestle pedal 2, neutron temperature Measurement channel installation reserving hole 4 and trestle cat ladder section 5.
As shown in Fig. 2, several trestle pedals 2 are misplaced from top to bottom, in higher reactor platform 7 and relatively low
Step structure is formed between protection tube assembly shipping platform 6；As shown in figure 3, be in contact with reactor platform 7, highest order
The trestle pedal 2 put is equipped with the fixation kits such as trestle fixation holes 1, bolt and passes through trestle fixation holes 1 by the stack of extreme higher position
Bridge pedal 2 is fixed with 7 phase of reactor platform；As shown in figure 3, be close with protection tube assembly shipping platform 6, extreme lower position
2 lower end of trestle pedal is equipped with trestle cat ladder section 5, which is supported in protection pipe group in frame structures such as " day " fonts
6 top of part shipping platform；On the trestle pedal 2 of correspondence 8 position of neutron temperature Measurement channel to be replaced, equipped in several
Sub- temperature measuring channel installs reserving hole 4, and the neutron temperature for such as needing to change 4 lower part of neutron temperature Measurement channel reserving hole is surveyed
Channel 8 is measured, can penetrate to be pierced by by the hole and be replaced, be effectively prevented the bending of neutron temperature Measurement channel 8, while
The personnel of taking into account pass through.
Preferably, a kind of personnel suitable for reactor of the utility model pass through trestle, at several
The step structure both sides that trestle pedal is formed are additionally provided with handrail 3.
A kind of personnel suitable for reactor of the utility model pass through trestle, and installation method is as described below：Trestle is erected
Bench 5 is supported in 6 top of protection tube assembly shipping platform；The trestle pedal 2 of extreme higher position is supported on reactor platform 7
Side passes through the trestle fixation holes 1 of the trestle pedal 2 of extreme higher position using fixation kits such as bolts, by the trestle of extreme higher position
Pedal 2 is fixed with 7 phase of reactor platform；Handrail 3 is fastened to fixed position by lifting devices such as ropes, makes trestle steady
Made between protection tube assembly shipping platform 6 and reactor platform 7 Gu staff can be travelled to and fro between by trestle at this time
Industry.
Claims (3)
- The trestle 1. a kind of personnel suitable for reactor pass through, including trestle fixation holes (1), trestle pedal (2), neutron temperature Measurement channel installation reserving hole (4) and trestle cat ladder section (5), it is characterised in that：Several trestle pedals (2) are wrong from top to bottom Arrangement is fallen, step structure is formed between reactor platform (7) and protection tube assembly shipping platform (6)；With reactor platform (7) trestle pedal (2) be in contact, extreme higher position passes through trestle fixation holes equipped with trestle fixation holes (1), fixation kit (1) the trestle pedal (2) of extreme higher position is mutually fixed with reactor platform (7)；It is close with protection tube assembly shipping platform (6) , trestle pedal (2) lower end of extreme lower position be equipped with trestle cat ladder section (5), the trestle cat ladder section (5) is in frame structure, support Above protection tube assembly shipping platform (6)；Trestle pedal in correspondence neutron temperature Measurement channel (8) position to be replaced (2) on, equipped with several neutron temperature Measurement channels installation reserving hole (4).
- The trestle 2. a kind of personnel suitable for reactor according to claim 1 pass through, it is characterised in that：In several stacks The step structure both sides that bridge pedal is formed are equipped with handrail (3).
- The trestle 3. a kind of personnel suitable for reactor according to claim 1 or 2 pass through, it is characterised in that：It is described solid Component is determined for bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721400534.9U CN207526021U (en) | 2017-10-27 | 2017-10-27 | A kind of personnel suitable for reactor pass through trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721400534.9U CN207526021U (en) | 2017-10-27 | 2017-10-27 | A kind of personnel suitable for reactor pass through trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526021U true CN207526021U (en) | 2018-06-22 |
Family
ID=62571122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721400534.9U Active CN207526021U (en) | 2017-10-27 | 2017-10-27 | A kind of personnel suitable for reactor pass through trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729600A (en) * | 2017-10-27 | 2018-11-02 | 江苏核电有限公司 | A kind of personnel's passage trestle and its installation method suitable for reactor |
| CN109003690A (en) * | 2018-07-04 | 2018-12-14 | 江苏核电有限公司 | A kind of position-arresting disk protective cover and its installation method |
-
2017
- 2017-10-27 CN CN201721400534.9U patent/CN207526021U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729600A (en) * | 2017-10-27 | 2018-11-02 | 江苏核电有限公司 | A kind of personnel's passage trestle and its installation method suitable for reactor |
| CN109003690A (en) * | 2018-07-04 | 2018-12-14 | 江苏核电有限公司 | A kind of position-arresting disk protective cover and its installation method |
| CN109003690B (en) * | 2018-07-04 | 2023-08-15 | 江苏核电有限公司 | Limiting disc protective cover and mounting method thereof |
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