CN108806812A - Elevator for reactor fuel assemblies handling - Google Patents
Elevator for reactor fuel assemblies handling Download PDFInfo
- Publication number
- CN108806812A CN108806812A CN201810595430.0A CN201810595430A CN108806812A CN 108806812 A CN108806812 A CN 108806812A CN 201810595430 A CN201810595430 A CN 201810595430A CN 108806812 A CN108806812 A CN 108806812A
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- China
- Prior art keywords
- fuel
- elevator
- reception device
- installation pedestal
- guide rail
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- 230000000712 assembly Effects 0.000 title claims abstract description 30
- 238000000429 assembly Methods 0.000 title claims abstract description 30
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 30
- 239000000446 fuel Substances 0.000 claims abstract description 128
- 238000009434 installation Methods 0.000 claims abstract description 51
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 47
- 230000001757 vomitory effect Effects 0.000 claims abstract description 24
- 238000003032 molecular docking Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 22
- 210000003746 feather Anatomy 0.000 claims description 5
- 230000008450 motivation Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003566 sealing material Substances 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
- G21C19/11—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements with revolving coupling elements, e.g. socket coupling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F13/00—Common constructional features or accessories
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/02—Details of handling arrangements
- G21C19/10—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements
- G21C19/105—Lifting devices or pulling devices adapted for co-operation with fuel elements or with control elements with grasping or spreading coupling elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The present invention discloses a kind of elevator for reactor fuel assemblies handling,Including installation pedestal,Braced frame,Lift drive mechanism,Rotary drive mechanism and fuel reception device,Installation pedestal is mounted on the heap head cover of reactor,The fuel Vomitory for offering the inside for fuel assembly to be sent into reactor in installation pedestal or pouring out,Braced frame is mounted on installation pedestal bottom,Lift drive mechanism is mounted on installation pedestal,Rotary drive mechanism includes rotary drive assembly and guide rail,Guide rail upper end passes through installation pedestal and is connect with the output end of rotary drive assembly,The lower end of guide rail is mounted on braced frame,Fuel reception device is for receiving the fuel assembly be sent into or needed replacing by fuel Vomitory,Fuel reception device is slidably mounted in guide rail,Lift drive mechanism is for driving fuel reception device to move up and down,The rotation of guide rail can drive fuel reception device to be rotated between the position and docking location of corresponding fuel Vomitory.
Description
Technical field
The present invention relates to reactor fuel assemblies handling technique fields, more particularly to a kind of reactor fuel assemblies that are used for fill
The elevator unloaded.
Background technology
The prior art discloses a kind of Straight pull handling fuel elevator for reactor, and the elevator is by rotating, putting down
Three kinds of drive systems are moved and promoted in the built-in discharge of the fuel component of reactor so that elevator is big in the occupied space of reactor, behaviour
Make that form is on the high side, reduces the reliability of fuel assembly cargo handling process；And drive system is a variety of by chain drive, screw drive etc.
The kind of drive is driven, and the reliable transmission degree of drive system is reduced；In addition, chain drive mode stationarity is poor, precision is low, reduce
The stability of fuel assembly cargo handling process.
Invention content
The purpose of the present invention is to provide a kind of elevators for reactor fuel assemblies handling, can not open heap
Fuel assembly handling are carried out in the case of head cover, and can reduce elevator in the occupied space of reactor, increase fuel assembly dress
Unload the stability and reliability of process.
To achieve the above object, the present invention provides a kind of elevator for reactor fuel assemblies handling, including installation
Pedestal, braced frame, lift drive mechanism, rotary drive mechanism and fuel reception device, the installation pedestal are mounted on institute
State on the heap head cover of reactor, offered in the installation pedestal inside for fuel assembly to be sent into the reactor or
The fuel Vomitory poured out, the braced frame are mounted on the bottom of the installation pedestal, the lift drive mechanism installation
In the installation pedestal, the rotary drive mechanism includes rotary drive assembly and guide rail, and the rotary drive assembly is mounted on
The installation pedestal, the upper end of the guide rail are connect with the output end of the rotary drive assembly, the lower end installation of the guide rail
In the braced frame, the fuel reception device is used to receive by fuel Vomitory feeding or need replacing
Fuel assembly, the fuel reception device are slidably mounted on the guide rail, and the lift drive mechanism is for driving institute
It states fuel reception device to move up and down, the rotation of the guide rail can drive the fuel reception device to come in and go out in the correspondence fuel
It is rotated between the position and docking location in channel.
Preferably, the elevator further includes isolating valve, the isolating valve is installed on the fuel Vomitory.
Preferably, the lift drive mechanism includes being mounted on the lifting drive component of the installation pedestal and being connected to
It installs to the braced frame, the lifting driving lower end of the leading screw of the output end of the lifting drive component, the leading screw
Mechanism further includes peaceful of support, and the side of peaceful of the support is mounted on the leading screw, the other side peace of peaceful of the support
It being connect on the guide rail and with the fuel reception device, the rotation of the leading screw drives the lifting of peaceful of the support,
The lifting of peaceful of the support drives the fuel reception device lifting, the fuel reception device can relatively described peaceful of the support
Rotation.
Preferably, peaceful of the support is connected by screw between the fuel reception device.
Preferably, peaceful of the support offers perforative circular arc screw hole, the screw up and down penetrates institute from bottom to top
Circular arc screw hole is stated, the threaded portion of the upper end of the screw is arranged in the fuel reception device.
Preferably, the lifting drive component includes the first driving motor, is connected to the output of first driving motor
The first gear drive mechanism at end and the shaft being connect with the first gear drive mechanism, the lower end of the shaft with it is described
The upper end of leading screw connects.
Preferably, the lift drive mechanism further includes the first manual drive component being mounted in the installation pedestal,
The first manual drive component includes the first transmission shaft stretched out upwards by the installation pedestal and is connected to described first
The second gear drive mechanism of the lower end of transmission shaft, the second gear drive mechanism are nibbled with the first gear drive mechanism
It closes.
Preferably, the braced frame, which has, is connected to the top plate of the installation pedestal bottom, the lower end of the shaft by
The top plate is pierced by, and the first bearing coordinated with the shaft, the lower end installation of the installation pedestal are equipped on the top plate
There are the first connecting bushing, first connecting bushing to be set in the shaft.
Preferably, the lower surface of the top plate is provided with spacing collar, the spacing collar is set in the shaft and institute
State the top of leading screw.
Preferably, the bottom of the braced frame is provided with limit bearing shell, the limit bearing shell is set in the leading screw
Bottom end.
Preferably, the lift drive mechanism further includes the first encoder, the top of first encoder and the shaft
End connection is to detect the rotation amount of the shaft.
Preferably, peaceful of the support is fixedly connected with feed screw nut and is connected to the leading screw by the feed screw nut
On.
Preferably, the lower end of the leading screw separately and is in free state in the axial direction with the braced frame, to adapt to
It thermally expands.
Preferably, the rotary drive assembly includes the second driving motor, is connected to the output of second driving motor
The third gear transmission structure at end and the track drive shaft being connect with the third gear transmission structure, the upper end of the guide rail
It is connected to the lower end of the track drive shaft.
Preferably, the rotary drive mechanism further includes second encoder, the second encoder drives with the guide rail
The top of axis is connected to detect the rotation amount of the track drive shaft.
Preferably, the side wall of the fuel reception device offers mounting hole, feather key, institute are installed in the mounting hole
The inner end for stating feather key abuts the guide rail.
Preferably, the lower end of the guide rail separately and is in free state in the axial direction with the braced frame, to adapt to
It thermally expands.
Compared with prior art, the present invention is used for the elevator of reactor fuel assemblies handling, and when charging, fuel receives dress
It sets and receives the fuel assembly be sent by fuel Vomitory, then drive fuel reception device to moving down by lift drive mechanism
It is dynamic, drive guide rail to rotate by the rotary drive assembly of rotary drive mechanism so that fuel reception device on guide rail from
The position of corresponding fuel Vomitory turns to docking location；When reloading, fuel reception device is received in docking location to be needed more
The fuel assembly changed drives guide rail to rotate so that fuel reception device is from docking by the rotary drive assembly of rotary drive mechanism
Position turns to the position of corresponding fuel Vomitory, then drives fuel reception device to moving up by lift drive mechanism
It is dynamic, fuel assembly is poured out by fuel Vomitory；Match resultant motion by lift drive mechanism and rotary drive mechanism, to real
Present progress fuel assembly handling in the case of not opening heap head cover, simplify fuel assembly charge and discharge operations process, and reduce lifting
Machine while increasing the stability and reliability of fuel assembly cargo handling process in the occupied space of reactor.
Description of the drawings
Fig. 1 is the structural schematic diagram of the elevator for reactor fuel assemblies handling of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram at another visual angle of Fig. 1.
Fig. 3 is the part-structure schematic diagram of the elevator for reactor fuel assemblies handling of the embodiment of the present invention.
Fig. 4 is another part structural representation of the elevator for reactor fuel assemblies handling of the embodiment of the present invention
Figure.
Fig. 5 is the vertical view of Fig. 1.
Fig. 6 is the structural schematic diagram of the embodiment of the present invention and refueling machine in reactor cooperating.
Specific implementation mode
For the technology contents that the present invention will be described in detail, construction feature, below in conjunction with embodiment and coordinate attached drawing make into
One step explanation.
It please refers to Fig.1 to Fig. 6, the elevator 100 for reactor fuel assemblies handling of the invention, including installation pedestal
1, braced frame 2, lift drive mechanism, rotary drive mechanism and fuel reception device 5, installation pedestal 1 are mounted on reactor
Heap head cover 600 on, offered in installation pedestal 1 for fuel assembly 61 being sent into inside reactor or the fuel poured out goes out
Enter channel 11, braced frame 2 is mounted on the bottom of installation pedestal 1, and lift drive mechanism is mounted on installation pedestal 1, rotation driving
Mechanism includes rotary drive assembly 41 and guide rail 42, and rotary drive assembly 41 is mounted on installation pedestal 1, the upper end of guide rail 42 and rotation
Turn the output end connection of drive component 41, the lower end of guide rail 42 is mounted in braced frame 2, and fuel reception device 5 is for receiving
The fuel assembly 61 be sent into or needed replacing by fuel Vomitory 11, fuel reception device 5 are slidably mounted in guide rail
On 42, for lift drive mechanism for driving fuel reception device 5 to move up and down, the rotation of guide rail 42 can drive fuel reception device
5 are rotated between the position B and docking location A of corresponding fuel Vomitory 11.
Please continue to refer to Fig. 1 to Fig. 6, the elevator 100 of the present embodiment is fired in reactor with the cooperation of refueling machine 900
Expect that component 61 loads and unloads, it should be noted that the docking location A herein referred to is that the gripping head 91 of refueling machine 900 and fuel receive
Fuel reception device 5 is turned to docking location A grabbing convenient for refueling machine 900 by the position that the fuel assembly 61 in device 5 docks
Take first 91 crawl fuel assembly 61.
Referring to Fig. 1, in the present embodiment, installation pedestal 1 is equipped with flange ring 7, flange ring 7 offers several bolts hole
71, installation pedestal 1 is fixed on by bolt 72 on heap head cover 600, and the quantity of bolt 72 is corresponding with the quantity of bolt hole 71, bolt
The particular number in hole 71 is depending on practical operation；Preferably, being sealed processing, heap between elevator 100 and heap head cover 600
Head cover 600 offers seal groove (not shown), by placing sealing material (not shown) to seal the radgas of reactor.
It please refers to Fig.1 to Fig.4, specifically, braced frame 2 is welding structural body, and in the present embodiment, braced frame 2 is logical
It crosses bolt (not shown) to be fixed in installation pedestal 1, braced frame 2 is that the lift drive mechanism of elevator 100 and rotation drive
Mechanism provides installation support.
Preferably, the junction between guide rail 42 and installation pedestal 1 is sealed processing by the way that sealing material is arranged.
Preferably, the lower end of guide rail 42 separately and is in free state in the axial direction with braced frame 2, it is swollen to adapt to heat
It is swollen.
Referring to Fig. 2, elevator 100 further includes isolating valve 6, isolating valve 6 is installed on fuel Vomitory 11, anti-to seal
Answer the radgas of heap；Under normality, isolating valve 6 is normally off, to seal, is loaded and unloaded when carrying out fuel assembly 61
When, isolating valve 6 is just opened.
Specifically, when charging, the out-pile transfer device (not shown) for carrying fuel assembly 61 is docked with isolating valve 6, into
And the channel of relatively extraneous isolation is formed, isolating valve 6 is then opened, fuel assembly 61 is transferred to fuel and connect by out-pile transfer device
Isolating valve 6 is closed after receiving apparatus 5；When discharging, out-pile transfer device is docked with isolating valve 6, then opens isolating valve 6, and out-pile turns
Shipping unit captures and takes away the fuel assembly 61 for being loaded into fuel reception device 5.
It please refers to Fig.1 to Fig.3, lift drive mechanism includes being mounted on the lifting drive component 31 of installation pedestal 1 and connecting
It is connected on the leading screw 32 of the output end of lifting drive component 31, the lower end of leading screw 32 is installed to braced frame 2, and lift drive mechanism is also
Including support peaceful 33, the side that support is peaceful 33 is mounted on leading screw 32, and the other side is mounted on guide rail 42 and is connect with fuel
Receiving apparatus 5 connects, and the rotation of leading screw 32 drives the lifting held in the palm peaceful 33, the lifting that support is peaceful 33 to drive fuel reception device
5 liftings, fuel reception device 5 can be relative to peaceful 33 rotations of support.
Specifically, it holds in the palm peaceful 33 and is fixedly connected with feed screw nut 321 and leading screw 32 is connected to by feed screw nut 321
On.
Preferably, the junction between leading screw 32 and installation pedestal 1 is sealed processing by the way that sealing material is arranged.
Preferably, the lower end of leading screw 32 separately and is in free state in the axial direction with braced frame 2, it is swollen to adapt to heat
It is swollen.
Specifically, it holds in the palm peaceful 33 and is connected by screw 34 between fuel reception device 5, support offers for peaceful 33
Under perforative circular arc screw hole 331, screw 34 penetrates circular arc screw hole 331, the threaded portion spiral shell of the upper end of screw 34 from bottom to top
It is located at fuel reception device 5.
Please continue to refer to Fig. 1 to Fig. 3, lifting drive component 31 includes the first driving motor 311, is connected to the first driving electricity
The first gear drive mechanism 312 of the output end of machine 311 and the shaft 313 being connect with first gear drive mechanism 312, shaft
313 lower end is connect with the upper end of leading screw 32.
Specifically, the first driving motor 311 is rotated by 312 drive shaft 313 of first gear drive mechanism by drives silk
Thick stick 32 rotates, then by feed screw nut 321 by the convert rotational motion of leading screw 32 be to hold in the palm peaceful 33 elevating movement, holds in the palm peaceful
The fuel reception device 5 that the lifting of platform 33 drives with support is connect for peaceful 33 lifts.
Please continue to refer to Fig. 1 to Fig. 3, lift drive mechanism further includes the first encoder 35, the first encoder 35 and shaft
313 top is connected to detect the rotation amount of shaft 313.
It please refers to Fig.1 and Fig. 3, lift drive mechanism further includes the first manual drive component being mounted in installation pedestal 1
36, first manual drive component 36 includes the first transmission shaft 361 stretched out upwards by installation pedestal 1 and is connected to the first transmission
The second gear drive mechanism 362 of the lower end of axis 361, second gear drive mechanism 362 are nibbled with first gear drive mechanism 312
It closes.
Specifically, it drives second gear drive mechanism 362 to rotate by the first transmission shaft 361, is driven by second gear
Structure 362 engages the rotation of drive shaft 313 with first gear drive mechanism 312 and leading screw 32 is driven to rotate, then passes through leading screw spiral shell
The convert rotational motion of leading screw 32 is the elevating movement held in the palm peaceful 33 by mother 321, and the lifting that support is peaceful 33 drives to rise with support
The fuel reception device 5 that platform 33 connects lifts.
Referring to Fig. 1, braced frame 2, which has, is connected to the top plate 21 of 1 bottom of installation pedestal, the lower end of shaft 313 is from top
Plate 21 is pierced by, and the first bearing 322 coordinated with shaft 313 is equipped on top plate 21, and the lower end of installation pedestal 1 is equipped with the first company
Spindle set 323, the first connecting bushing 323 is set in shaft 313；The lower surface of top plate 21 is provided with spacing collar 324, limit
Sleeve 324 is set in the top of shaft 313 and leading screw 32, and spacing collar 324 plays upper limit, support frame for peaceful 33 to support
The bottom of frame 2 is provided with limit bearing shell 325, and limit bearing shell 325 is set in the bottom end of leading screw 32, and limit bearing shell 325 is peaceful to holding in the palm
Platform 33 removes position-limiting action.
It please refers to Fig.1 and Fig. 4, rotary drive assembly 41 includes the second driving motor 411, is connected to the second driving motor
The third gear transmission structure 412 of 411 output end and the track drive shaft 413 being connect with third gear transmission structure 412,
The upper end of guide rail 42 is connected to the lower end of track drive shaft 413；Second driving motor 411 passes through third gear transmission structure 412
Driving track drive shaft 413 rotates and guide rail 42 is driven to rotate, and the rotation of guide rail 42 can drive fuel reception device 5 to be fired in corresponding
Expect to be rotated between the position B and docking location A of Vomitory 11.
Please continue to refer to Fig. 1 and Fig. 4, preferably, being equipped with coordinated with the lower end of track drive shaft 413 on top plate 21
The lower end of two bearings 414, installation pedestal 1 is equipped with the second connecting bushing 415, and the second connecting bushing 415 is set in guide rail driving
On axis 413.
Referring to Fig. 4, rotary drive mechanism further includes second encoder 43, second encoder 43 and track drive shaft 413
Top connect to detect the rotation amount of track drive shaft 413.
Please continue to refer to Fig. 4, rotary drive mechanism further includes the second manual drive component being mounted in installation pedestal 1
44, the second manual drive component 44 includes the second driving shaft 441 stretched out upwards by installation pedestal 1 and is connected to the second transmission
4th gear transmission structure 442 of the lower end of axis 441, the 4th gear transmission structure 442 are nibbled with third gear transmission structure 412
It closes.
Specifically, the rotation of the 4th gear transmission structure 442 is driven by second driving shaft 441, passes through the 4th gear drive
Structure 442 engages the rotation of driving track drive shaft 413 with third gear transmission structure 412 and guide rail 42 is driven to rotate, guide rail 42
Rotation fuel reception device 5 can be driven to be rotated between the position B and docking location A of corresponding fuel Vomitory 11.
Referring to Fig. 1, the side wall of fuel reception device 5 offers mounting hole, it is installed with feather key 52 in mounting hole, is oriented to
The inner end of key 52 abuts guide rail 42.
In conjunction with Fig. 1 to Fig. 6, fuel assembly dress is carried out in reactor and the cooperation of refueling machine 900 to the elevator 100 of the present invention
Work step is unloaded to be described in detail below：
Feed work：
First, out-pile transfer device is docked with isolating valve 6；
Then, isolating valve 6 is opened, out-pile transfer device transfers fuel assembly 61 to fuel reception device 5；
Then, lifting drive component 31 drives the rotation of leading screw 32 that support is made to move down for peaceful 33, to drive fuel to connect
Receiving apparatus 5 is moved downward to the respective heights with docking location A, at the same time, close isolating valve 6, out-pile transfer device with every
It is disengaged from valve 6；
Then, rotary drive assembly 41 drives the rotation of guide rail 42 that fuel reception device 5 is made to rotate therewith, and then fuel receives
Device 5 turns to docking location A from the position B of corresponding fuel Vomitory 11；
Finally, the gripping head 91 of refueling machine 900 captures fuel assembly 61 and feeds.
Unloading work：
First, the gripping head 91 of refueling machine 900 captures the fuel assembly 61 needed replacing and is positioned over positioned at docking location A's
Fuel reception device 5；
Then, rotary drive assembly 41 drives the rotation of guide rail 42 that fuel reception device 5 is made to rotate therewith, and then fuel receives
Device 5 turns to the position B of corresponding fuel Vomitory 11 from docking location A；
Then, lifting drive component 31 drives the rotation of leading screw 32 that support is made to move up for peaceful 33, to drive fuel to connect
Receiving apparatus 5 moves up, and at the same time, out-pile transfer device is docked with isolating valve 6, opens isolating valve 6；
Finally, out-pile transfer device catches away fuel assembly 61, closes isolating valve 6, and out-pile transfer device is de- with isolating valve 6
It opens.
In summary, the present invention is used for the elevator 100 of reactor fuel assemblies handling, when charging, fuel reception device 5
Receive the fuel assembly 61 be sent by fuel Vomitory 11, then by lift drive mechanism drive fuel reception device 5 to
Lower movement drives guide rail 42 to rotate so as to be mounted on the fuel on guide rail 42 by the rotary drive assembly 41 of rotary drive mechanism
Reception device 5 turns to docking location A from the position B of corresponding fuel Vomitory 11；When reloading, fuel reception device 5 is in right
It meets position A and receives the fuel assembly 61 needed replacing, 42 turns of guide rail is driven by the rotary drive assembly 41 of rotary drive mechanism
It is dynamic so that fuel reception device 5 turns to the position B of corresponding fuel Vomitory 11 from docking location A, then pass through to lift and drive
Motivation structure driving fuel reception device 5 moves up, and fuel assembly 61 is poured out by fuel Vomitory 11；It is driven by lifting
Mechanism and rotary drive mechanism match resultant motion, and the progress handling of fuel assembly 61 of heap head cover 600 are not being opened to realize,
It simplifies 61 charge and discharge operations process of fuel assembly, and reduces elevator 100 in the occupied space of reactor, while increasing fuel
The stability and reliability of 61 cargo handling process of component.
Above disclosed is only the preferred embodiments of the present invention, and the interest field of the present invention cannot be limited with this,
Therefore equivalent changes made in accordance with the claims of the present invention belong to the range that the present invention is covered.
Claims (17)
1. a kind of elevator for reactor fuel assemblies handling, which is characterized in that including：
Installation pedestal, the installation pedestal are mounted on the heap head cover of the reactor, offer and be used in the installation pedestal
The fuel Vomitory that fuel assembly is sent into the inside of the reactor or poured out；
Braced frame, the braced frame are mounted on the bottom of the installation pedestal；
Lift drive mechanism, the lift drive mechanism are mounted on the installation pedestal；
Rotary drive mechanism, including rotary drive assembly and guide rail, the rotary drive assembly are mounted on the installation pedestal, institute
The upper end for stating guide rail is connect with the output end of the rotary drive assembly, and the lower end of the guide rail is mounted on the braced frame
On；
Fuel reception device, the fuel reception device are used to receive by fuel Vomitory feeding or need replacing
Fuel assembly, the fuel reception device are slidably mounted on the guide rail, and the lift drive mechanism is for driving institute
It states fuel reception device to move up and down, the rotation of the guide rail can drive the fuel reception device to come in and go out in the correspondence fuel
It is rotated between the position and docking location in channel.
2. the elevator for reactor fuel assemblies handling as described in claim 1, which is characterized in that further include isolation
Valve, the isolating valve are installed on the fuel Vomitory.
3. the elevator for reactor fuel assemblies handling as described in claim 1, which is characterized in that the lifting driving
Mechanism includes the output end for being mounted on the lifting drive component of the installation pedestal and being connected to the lifting drive component
The lower end of leading screw, the leading screw is installed to the braced frame, and the lift drive mechanism further includes peaceful of support, and the support rises
The side of platform is mounted on the leading screw, and the other side of peaceful of the support is mounted on the guide rail and is connect with the fuel
Receiving apparatus connects, and the rotation of the leading screw drives the lifting of peaceful of the support, the lifting of peaceful of the support to drive the combustion
Expect that reception device lifting, the fuel reception device can be relative to peaceful rotations of the support.
4. the elevator for reactor fuel assemblies handling as claimed in claim 3, which is characterized in that peaceful of the support
It is connected by screw between the fuel reception device.
5. the elevator for reactor fuel assemblies handling as claimed in claim 4, which is characterized in that peaceful of the support
It offers perforative circular arc screw hole, the screw up and down and penetrates the circular arc screw hole, the upper end of the screw from bottom to top
Threaded portion be arranged in the fuel reception device.
6. the elevator for reactor fuel assemblies handling as claimed in claim 3, which is characterized in that the lifting driving
Component includes the first driving motor, be connected to first driving motor output end first gear drive mechanism and with institute
The shaft of first gear drive mechanism connection is stated, the lower end of the shaft is connect with the upper end of the leading screw.
7. the elevator for reactor fuel assemblies handling as claimed in claim 6, which is characterized in that the lifting driving
Mechanism further includes the first manual drive component being mounted in the installation pedestal, and the first manual drive component includes by institute
State the first transmission shaft that installation pedestal is stretched out upwards and the second gear transmission knot for the lower end for being connected to first transmission shaft
Structure, the second gear drive mechanism are engaged with the first gear drive mechanism.
8. the elevator for reactor fuel assemblies handling as claimed in claim 6, which is characterized in that the braced frame
With the top plate for being connected to the installation pedestal bottom, the lower end of the shaft is pierced by by the top plate, is installed on the top plate
There are the first bearing coordinated with the shaft, the lower end of the installation pedestal that the first connecting bushing, first connection are installed
Axle sleeve is set in the shaft.
9. the elevator for reactor fuel assemblies handling as claimed in claim 8, which is characterized in that under the top plate
Surface is provided with spacing collar, and the spacing collar is set in the top of the shaft and the leading screw.
10. the elevator for reactor fuel assemblies handling as claimed in claim 9, which is characterized in that the support frame
The bottom of frame is provided with limit bearing shell, and the limit bearing shell is set in the bottom end of the leading screw.
11. the elevator for reactor fuel assemblies handling as claimed in claim 6, which is characterized in that the lifting is driven
Motivation structure further includes the first encoder, and first encoder is connect with the top of the shaft to detect the rotation of the shaft
Amount.
12. the elevator for reactor fuel assemblies handling as claimed in claim 3, which is characterized in that the support is peaceful
Platform is fixedly connected with feed screw nut and is connected on the leading screw by the feed screw nut.
13. the elevator for reactor fuel assemblies handling as claimed in claim 3, which is characterized in that the leading screw
Lower end separately and is in free state in the axial direction with the braced frame.
14. the elevator for reactor fuel assemblies handling as described in claim 1, which is characterized in that the rotation is driven
Dynamic component includes the second driving motor, be connected to second driving motor output end third gear transmission structure and with
The track drive shaft of the third gear transmission structure connection, the upper end of the guide rail is connected under the track drive shaft
End.
15. the elevator for reactor fuel assemblies handling as claimed in claim 14, which is characterized in that the rotation is driven
Motivation structure further includes second encoder, and the second encoder is connect with the top of the track drive shaft to detect the guide rail
The rotation amount of drive shaft.
16. the elevator for reactor fuel assemblies handling as described in claim 1, which is characterized in that the fuel connects
The side wall of receiving apparatus offers mounting hole, and feather key is installed in the mounting hole, is led described in the inner end abutting of the feather key
Rail.
17. the elevator for reactor fuel assemblies handling as described in claim 1, which is characterized in that the guide rail
Lower end separately and is in free state in the axial direction with the braced frame.
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| CN201810595430.0A CN108806812B (en) | 2018-06-11 | 2018-06-11 | Elevator for loading and unloading reactor fuel assembly |
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| CN201810595430.0A CN108806812B (en) | 2018-06-11 | 2018-06-11 | Elevator for loading and unloading reactor fuel assembly |
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| CN108806812B CN108806812B (en) | 2024-03-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667934A (en) * | 2020-06-19 | 2020-09-15 | 中国核动力研究设计院 | Loading and unloading method for layered arrangement driving mechanism of nuclear reactor test reactor |
| CN111667935A (en) * | 2020-06-19 | 2020-09-15 | 中国核动力研究设计院 | Integral dismounting device for inversion type driving mechanism of nuclear reactor |
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| CN111667935A (en) * | 2020-06-19 | 2020-09-15 | 中国核动力研究设计院 | Integral dismounting device for inversion type driving mechanism of nuclear reactor |
| CN111667934B (en) * | 2020-06-19 | 2022-04-15 | 中国核动力研究设计院 | Loading and unloading method for layered arrangement driving mechanism of nuclear reactor test reactor |
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| CN108806812B (en) | 2024-03-29 |
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