CN209402057U - A kind of nuclear power plant reactor main pump maintenance rack - Google Patents
A kind of nuclear power plant reactor main pump maintenance rack Download PDFInfo
- Publication number
- CN209402057U CN209402057U CN201822081137.0U CN201822081137U CN209402057U CN 209402057 U CN209402057 U CN 209402057U CN 201822081137 U CN201822081137 U CN 201822081137U CN 209402057 U CN209402057 U CN 209402057U
- Authority
- CN
- China
- Prior art keywords
- rack
- layers
- layer
- maintenance
- main pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model belongs to technical field of mechanical design, and in particular to a kind of nuclear power plant reactor main pump maintenance rack.The utility model includes rack bottom, one layer of rack, two layers of rack, three layers of rack and stair, and one layer of rack is fixedly mounted on above rack bottom, by one layer of fixed pivot of rack in main support；Two layers of rack are fixed by two layers of support plate of rack in main support, and two layers of top of rack are equipped with support post, are used for three layers of fixed rack, are entirely overhauled rack, the current function up and down of service work personnel is realized by stair.A possibility that the utility model can prevent personnel, items from falling improves the safety of personnel, equipment.
Description
Technical field
The utility model belongs to technical field of mechanical design, and in particular to a kind of nuclear power plant reactor main pump maintenance rack.
Background technique
Nuclear power plant reactor main pump is nuclear leve safety equipment, is the key equipment for being related to normal reactor operation, therefore
Each power station overhaul all can carry out Disintegration overhaul to main reactor pump.Main reactor pump Disintegration overhaul works mainly in inspection rack
It is completed on frame, main pump overhauls rack other than being mainly used for carrying the main reactor pump of 25 tons of weight, while mentioning for service personnel
For three layers of inspection platform, to meet the service work to main pump different height.
With the development year by year of service work, service personnel recognizes that existing external maintenance rack is merely capable of meeting master
The groundwork of maintenance is pumped, after main pump is located on rack, the spacing of main pump and inspection platform is larger, and there are personnel, tools to fall
The risk fallen, rack do not provide special radiation protection barrier, the risk there are service personnel by high-dose irradiation.
Summary of the invention
The technical issues of the utility model solves: in order to solve that people may occur in nuclear power plant reactor main pump maintenance process
Member, items are fallen problem, and make service personnel from the irradiation of dose of radiation, and the utility model provides a kind of nuclear power station reaction
A possibility that heap main pump overhauls rack, can prevent personnel, items from falling, improves the safety of personnel, equipment.
The technical solution adopted in the utility model:
A kind of nuclear power plant reactor main pump maintenance rack, including rack bottom, one layer of rack, two layers of rack, three layers of rack
And stair, one layer of rack is fixedly mounted on above rack bottom, by one layer of fixed pivot of rack in main support；Two layers of rack logical
It crosses two layers of support plate of rack in main support to fix, two layers of top of rack are equipped with support post, are used for three layers of fixed rack, entirely
Rack is overhauled, the current function up and down of service work personnel is realized by stair.
One layer of the rack includes steel sole plate, coaming plate, flashboard, and flashboard and steel sole plate, coaming plate composition opened type block space,
For collecting device internal residual medium, after dismantling flashboard, using special transport trolley, overhauled from bottom transport main pump device
The more great part of appliance of impeller, heat shielding under being dismantled in journey.
One layer of the rack further includes one layer of revolving door, clamshell doors, rack fence bottom plate, and service personnel encloses at one layer of rack
Upkeep operation is executed above column bottom plate, when important component need to be transported from rack bottom and height is greater than limit for height, by revolving door, right
It opens the door and opens, realize important component transport function, wherein design is provided with dowel hole above revolving door, realizes and one layer of rack
Effective fixation of fence bottom plate, the clamshell doors back side are provided with lateral pin hole, reinforce the load-bearing capacity under clamshell doors closed state, it is ensured that
Maintenance personal executes the safety of upkeep operation above one layer of rack.
Described two layers of maintenance rack include guide chain drive mechanism, the main flange of support, two layers of closure flap, rack fence bottom
Plate；Wherein, it supports main flange to need to be leveled before use, is adjusted, is being overhauled by adjusting levelling device adjusting bolt
After equipment is placed steadily, dismantling maintenance is carried out to equipment, needs apparatus of repair parts to be placed on specified space for maintenance and carries out Inspection and maintenance, it is main
Pump pump shaft still needs to be vertically disposed in above rack with impeller, at this point, need to reduce to two layers of rack of maintenance opening, avoids work
Utensil and personnel, which get rid of, to be fallen, and realizes the process by adjusting guide chain drive mechanism.
Described three layers of maintenance rack include three layers of stage driving, three layers of platform push-and-pull platen, three layers of platform driving lid
Plate；The hand wheel of three layers of stage driving is rotated, driving gear, sliding tooth wheeling driving gear are driven, gear passes through chain
Transmission, driving gear-box drive three layers of platform driving cover board to do open and close movement, reduce equipment and maintenance hole spacing, prevent work device
Tool and personnel fall risk.
Three layers of platform push-and-pull platen of the maintenance rack do arc-shaped sliding, form " U " at maintenance three layers of platform of rack
Type opening, drives into platform interior in lower height position in the horizontal direction for equipment, puts fixation, pushes away three layers of platform by push-and-pull
Platen closure is drawn, ring is formed and fills service area.
The utility model has the beneficial effects that
1. the access way that one layer of platform of the utility model is main pump impeller trolley devises turnover door, easy to operate, province
It is power, quick.
2. the utility model two-layer platform is equipped with double-deck 360 ° of shielded layer sliding rails, facilitates shielded layer mobile, avoid shielded layer
Frequently hanging and taking, shield effectiveness is more preferable, and it is safer, while saving manpower demand.
3. the utility model two-layer platform is equipped with translational opening-closing door, constantly can inwardly be closed with the development of main pump solution body running
It closes, reduces two-layer platform and main pump spacing, while being conducive to solution body running and carry out, it is therefore prevented that the wind that operator and items are fallen
Danger.
4. the utility model two-layer platform main pump carrying flange levelling device, which has, stablizes self-locking and crystallized ability, avoid
It is laborsaving, efficient, reliable every time using the cumbersome work for being intended to leveling.
5. three layers of platform of the utility model have three layers of hole sealing ability, it is entirely avoided personnel, items falling from high altitude wind
After danger, level-one closing means and secondary seal mechanism are completely enclosed, an entirety is formed, there is preferable enabling capabilities, safety
It is marginal high.
6. the utility model stair use " Z " word-lifting formula, the gradient is moderate, human oriented design, and adequate operation personnel climb
It climbs, it is safe, laborsaving.
Detailed description of the invention
Fig. 1 is that a kind of nuclear power plant reactor main pump provided by the utility model overhauls rack structural schematic diagram；
Fig. 2 is the main support schematic diagram of platform；
Fig. 3 is rack bottom top view；
Fig. 4 is one layer of top view of rack；
Fig. 5 is that main reactor pump overhauls rack structural side view；
Fig. 6 schematic diagram of driving device；
Fig. 7 closure flap structural scheme of mechanism；
Fig. 8 levelling device schematic diagram；
Fig. 9 supports main flange schematic diagram；
Three layers of side view of Figure 10 rack；
Three layers of cover board transmission mechanism schematic diagram of Figure 11 rack；
Three layers of driving mechanism schematic diagram of Figure 12 rack；
Three layers of push-and-pull platform schematic diagram of Figure 13 rack；
In figure: one layer of 1- rack bottom, one layer of 2- rack, two layers of 3- rack, three layers of 4- rack, 5- stair, 6- rack branch
Two layers of point, 7- rack support plate, 8- steel sole plate, 9- coaming plate, 10- flashboard, 11- revolving door, 12- clamshell doors, 13- rack one
Layer fence bottom plate, 14- support post, 15- guide chain drive mechanism, 16- support main flange, 17- closure flap, two layers of 18- rack
Fence bottom plate, 19- transmission gear, 20- handwheel, 21- adjust bolt, 22- driven gear, 23- tri- layers of stage driving, 24-
Three layers of platform push-and-pull platen, tri- layers of platform driving cover board of 25-, 26- hand wheel, 27- driving gear, 28- gear, 29- driving
Gear-box
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, a kind of nuclear power plant reactor main pump maintenance rack provided by the utility model, including rack bottom 1,
One layer 2 of rack, two layer 3 of rack, three layer 4 of rack and stair 5, one layer 2 of rack is fixedly mounted on 1 top of rack bottom, by Fig. 2
One layer of fulcrum 6 of rack is fixed in main support, and two layer 3 of rack fixed by two layers of support plate 7 of rack in the main support of Fig. 2, rack
Two layer of 3 top is equipped with support post 14, is used for three layers of fixed rack, entirely overhauls rack, realizes service work people by stair 5
The current function up and down of member.
As shown in figure 3, one layer of rack is made of steel sole plate 8, coaming plate 9, flashboard 10, flashboard 10 and steel sole plate 8,9 groups of coaming plate
Space is blocked at opened type, is used for collecting device internal residual medium, after dismantling flashboard 10, special transport trolley can be used, from
The more great parts of appliance such as impeller, heat shielding under being dismantled in bottom transport main pump device maintenance process.
As shown in figure 4, one layer of rack is made of one layer of revolving door 11, clamshell doors 12, rack fence bottom plate 13, service personnel
Upkeep operation can be executed above two layers of fence bottom plate 13 of rack, when important component need to be transported from rack bottom 1 and is highly greater than
When limit for height, revolving door 11, clamshell doors 12 can be opened, realize important component transport function, wherein design is opened above revolving door 11
There is dowel hole, it can be achieved that effective fixation with one layer of fence bottom plate 13 of rack, 12 back side of clamshell doors are provided with lateral pin hole, it can
Reinforce the load-bearing capacity under 12 closed state of clamshell doors, it is ensured that maintenance personal executes the peace of upkeep operation above one layer 2 of rack
Quan Xing.
As shown in figure 5, overhauling two layers of rack by guide chain drive mechanism 15, the main flange 16 of support, closure flap 17, rack two
Layer fence bottom plate 18 forms.Wherein, the main flange 16 of support shown in Fig. 9 needs to be leveled before use, by adjusting tune shown in Fig. 8
Leveling device adjusts bolt 21 and is adjusted, and after repair apparatus is placed steadily, carries out dismantling maintenance to equipment, needs apparatus of repair parts
It is placed on specified space for maintenance and carries out Inspection and maintenance, main pump pump shaft still needs to be vertically disposed in above rack with impeller, at this point, need pair
Two layer 3 of rack of maintenance opening is reduced, and is avoided Work tool and personnel from getting rid of and is fallen, and can be realized by adjusting guide chain drive mechanism 15
The process.
As shown in Figure 10, it is put down by three layers of stage driving, 23, three layers of 24, three layers of platen of platforms push-and-pull for three layers of maintenance rack
Platform drives cover board 25 to form.Three layers of platform push-and-pull platen 24 of maintenance rack can do arc-shaped sliding as shown in figure 13, in inspection rack
U-typed opening is formed at three layers of platform of frame, is driven into platform interior in lower height position in the horizontal direction for equipment, is put fixation.
Make three layers of platform push and pull platen 24 by push-and-pull to be closed, form ring and fill service area.Rotate the hand of three layers of stage driving 23
Turn wheel 26, drives driving gear 27, and driving gear 27 drives gear-box 29 by chain drive with moving gear 28, gear 28
It drives three layers of platform driving cover board 25 to do open and close movement, reduces equipment and maintenance hole spacing, prevent Work tool and personnel fall
Risk.
Claims (6)
1. a kind of nuclear power plant reactor main pump overhauls rack, it is characterised in that: including rack bottom (1), rack one layer of (2), platform
Two layers of frame (3), three layers of rack (4) and stair (5), one layer of rack (2) is fixedly mounted on above rack bottom (1), by main branch
One layer of fulcrum (6) of rack is fixed in support；Two layers of rack (3) fixed by two layers of support plate (7) of rack in main support, rack two
Support post (14) are equipped with above layer (3), three layers of fixed rack is used for, entirely overhauls rack, realize check man by stair (5)
Make the current function up and down of personnel.
2. nuclear power plant reactor main pump according to claim 1 overhauls rack, it is characterised in that: one layer of the rack includes
Steel sole plate (8), coaming plate (9), flashboard (10), flashboard (10) and steel sole plate (8), coaming plate (9) composition opened type block space, are used for
Collecting device internal residual medium after disassembly flashboard (10), using special transport trolley, was overhauled from bottom transport main pump device
The more great part of appliance of impeller, heat shielding under being dismantled in journey.
3. nuclear power plant reactor main pump according to claim 2 overhauls rack, it is characterised in that: one layer of the rack also wraps
One layer of revolving door (11), clamshell doors (12), rack fence bottom plate (13) are included, service personnel is on one layer of fence bottom plate (13) of rack
Fang Zhihang upkeep operation, when important component need to be transported from rack bottom (1) and height is greater than limit for height, by revolving door (11), right
Open the door (12) open, realize important component transport function, wherein design is provided with dowel hole above revolving door (11), realize with
Effective fixation of one layer of fence bottom plate (13) of rack, clamshell doors (12) back side are provided with lateral pin hole, reinforce clamshell doors (12) closure
Load-bearing capacity under state, it is ensured that maintenance personal executes the safety of upkeep operation one layer of rack (2) top.
4. nuclear power plant reactor main pump according to claim 1 overhauls rack, it is characterised in that: described two layers of maintenance rack
Including guide chain drive mechanism (15), the main flange (16) of support, two layers of closure flap (17), rack fence bottom plate (18)；Wherein, it props up
Supportting main flange (16) needs to be leveled before use, is adjusted by adjusting levelling device adjusting bolt (21), is set in maintenance
After standby placement is steady, dismantling maintenance is carried out to equipment, needs apparatus of repair parts to be placed on specified space for maintenance and carries out Inspection and maintenance, main pump
Pump shaft still needs to be vertically disposed in above rack with impeller, at this point, need to reduce to two layers of rack (3) of maintenance opening, avoids
Work tool and personnel, which get rid of, to be fallen, and realizes the process by adjusting guide chain drive mechanism (15).
5. nuclear power plant reactor main pump according to claim 1 overhauls rack, it is characterised in that: described three layers of maintenance rack
Including three layers of stage driving (23), three layers of platform push-and-pull platen (24), three layers of platform driving cover board (25)；Three layers of rotation flat
The hand wheel (26) of platform driving mechanism (23) drives driving gear (27), driving gear (27) band moving gear (28), gear
(28) by chain drive, driving gear-box (29) drives three layers of platforms driving cover board (25) to do open and close movement, reduce equipment with
Hole spacing is overhauled, prevents Work tool and personnel falls risk.
6. nuclear power plant reactor main pump according to claim 1 overhauls rack, it is characterised in that: described three layers of maintenance rack
Arc-shaped sliding is done in platform push-and-pull platen (24), U-typed opening is formed at maintenance three layers of platform of rack, for equipment in level side
Platform interior is driven into lower height position, puts fixation, three layers of platform push-and-pull platen (24) closure are made by push-and-pull, form ring
Fill service area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822081137.0U CN209402057U (en) | 2018-12-12 | 2018-12-12 | A kind of nuclear power plant reactor main pump maintenance rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822081137.0U CN209402057U (en) | 2018-12-12 | 2018-12-12 | A kind of nuclear power plant reactor main pump maintenance rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209402057U true CN209402057U (en) | 2019-09-17 |
Family
ID=67894276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822081137.0U Active CN209402057U (en) | 2018-12-12 | 2018-12-12 | A kind of nuclear power plant reactor main pump maintenance rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209402057U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638695A (en) * | 2018-12-12 | 2019-04-16 | 江苏核电有限公司 | A kind of nuclear power plant reactor main pump maintenance rack |
-
2018
- 2018-12-12 CN CN201822081137.0U patent/CN209402057U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638695A (en) * | 2018-12-12 | 2019-04-16 | 江苏核电有限公司 | A kind of nuclear power plant reactor main pump maintenance rack |
| CN109638695B (en) * | 2018-12-12 | 2024-04-09 | 江苏核电有限公司 | Nuclear power station reactor main pump overhauls rack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109638695A (en) | A kind of nuclear power plant reactor main pump maintenance rack | |
| JP3663924B2 (en) | Method for handling reactor internal structure and apparatus used for the method | |
| CN108597633B (en) | The shielding conveyer method and equipment of spentnuclear fuel | |
| CN209402057U (en) | A kind of nuclear power plant reactor main pump maintenance rack | |
| CN107782629B (en) | Well lid pressure testing device | |
| CN109336019A (en) | A kind of electric power overhaul device | |
| US10939787B2 (en) | System for low profile translation of high level radioactive waste | |
| CN102903410A (en) | Heavy water reactor spent fuel dry-type storage shielding shipping container | |
| CN108263997A (en) | A kind of maintenance car convenient for power equipment maintaining | |
| CN214900244U (en) | Charging cabinet slot with charger locking structure | |
| CN202178075U (en) | Heavy-water spent fuel dry type storage screen transportation container | |
| CN215136246U (en) | Battery module explosion-proof box and battery module explosion-proof equipment | |
| CN214611411U (en) | Dedicated jacking equipment of electromechanical installation | |
| CN212364841U (en) | Remote control maintenance system applied to BNCT target body replacement | |
| CN111653375A (en) | Vertical hinged door type shielding container system convenient for remote control maintenance | |
| CN208363994U (en) | Radiation door is mixed again | |
| CN219676909U (en) | Radioactive substance shielding container device | |
| CN207938129U (en) | A kind of mobile ballot box and the ticket storehouse for the movement ballot box | |
| CN207332665U (en) | The safety door of elevator pit inspection platform | |
| CN217970575U (en) | Portable jack | |
| CN219872896U (en) | Radioactive substance shielding tank and shielding tank transfer system | |
| CN216649067U (en) | Low-voltage distribution network comprehensive breakdown van | |
| CN217449109U (en) | Safety blocking device of automatic grid slag elevator | |
| CN207536984U (en) | A kind of multistage protection formula escalator | |
| CN111762668B (en) | Telescopic lifting device, lifting structure and lifting method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |