CN115527698A - Emergency maintenance assembly and method for high-temperature gas cooled reactor spent fuel charging device - Google Patents
Emergency maintenance assembly and method for high-temperature gas cooled reactor spent fuel charging device Download PDFInfo
- Publication number
- CN115527698A CN115527698A CN202211202217.1A CN202211202217A CN115527698A CN 115527698 A CN115527698 A CN 115527698A CN 202211202217 A CN202211202217 A CN 202211202217A CN 115527698 A CN115527698 A CN 115527698A
- Authority
- CN
- China
- Prior art keywords
- rod body
- assembly
- spent fuel
- hook
- rod
- 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.)
- Pending
Links
Images
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
- G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses an emergency maintenance assembly and a method, wherein the emergency maintenance assembly comprises a disassembly assembly, a hoisting assembly and a rotating assembly, the disassembly assembly comprises a first connecting piece, a first rod body and a hexagonal sleeve which are sequentially connected, the first connecting piece is arranged at one end of the first rod body, the hexagonal sleeve is arranged at the other end of the first rod body and is coaxial with the first rod body, the hoisting assembly comprises a second connecting piece and a lifting hook which are connected, the second connecting piece is used for being connected with hoisting equipment, the lifting hook is used for being connected with a driving motor of a spent fuel charging device, the rotating assembly comprises a third connecting piece, a second rod body and a rotating shaft sleeve which are sequentially connected, the third connecting piece is arranged at one end of the second rod body, and the rotating shaft sleeve is arranged at the other end of the second rod body and is coaxial with the second rod body. The emergency maintenance assembly provided by the embodiment of the invention has the advantages of high safety and the like.
Description
Technical Field
The invention relates to the technical field of a high-temperature gas-cooled reactor spent fuel charging device, in particular to an emergency maintenance assembly and method for the high-temperature gas-cooled reactor spent fuel charging device.
Background
When reaching a certain burn-up depth, a fuel element of the high-temperature gas cooled reactor becomes spent fuel, and the spent fuel has strong radioactivity and needs to be filled into a storage tank for sealed storage by adopting a special spent fuel charging device. As shown in fig. 1, the spent fuel charging device includes an equipment support 11, a driving motor 12, a speed reducer 13, a lead screw 14, a beam slide block 15, a feeding pipe 16 and a tank cover sealing device 17. The equipment support 11 is fixedly installed on a cabin concrete floor 10, a lead screw 14 is arranged on the equipment support 11 through a lead screw bearing seat along the vertical direction, a cross beam sliding block 15 is connected with the lead screw 14 in a matched mode through a lead screw nut 18, a speed reducer 13 is fixedly installed on the equipment support 11, a driving motor 12 is fixedly connected with the speed reducer 13 through screws, an input shaft of the speed reducer 13 is connected with an output shaft of the driving motor 12, an output shaft of the speed reducer 13 is connected with the lead screw 14 to drive the lead screw 14 to rotate, and a tank cover sealing and pressing device 17 is connected with the cross beam sliding block 15. When the device is used, the driving motor 12 drives the screw rod 14 to rotate through the speed reducer 13 so as to drive the beam slide block 15 to ascend and descend, so that the pipe opening of the feeding pipe 16 is in butt joint with the tank opening of the storage tank, and the tank cover sealing device 17 is sealed and arranged on the tank opening of the storage tank for subsequent charging.
However, when the driving motor of the spent fuel charging device breaks down in the charging process, the lifting function cannot be realized, and this will result in that the tank cover sealing and pressing device 17 cannot be separated from the storage tank, and the storage tank cannot be transported to other storage points. When a maintenance worker maintains the driving motor 12 in a short distance, the high-radioactivity spent fuel elements in the storage tank easily cause physical damage to the maintenance worker, and the maintenance safety is low.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides an emergency maintenance assembly with high safety.
The embodiment of the invention provides an emergency maintenance method with high safety.
The emergency maintenance assembly comprises a disassembling assembly, a hoisting assembly and a rotating assembly, wherein the disassembling assembly comprises a first connecting piece, a first rod body and a hexagonal sleeve which are sequentially connected, the first connecting piece is arranged at one end of the first rod body so as to be connected with hoisting equipment, the hexagonal sleeve is arranged at the other end of the first rod body and is coaxial with the first rod body, the hoisting assembly comprises a second connecting piece and a lifting hook which are connected, the second connecting piece is used for being connected with the hoisting equipment, the lifting hook is used for being connected with a driving motor of the spent fuel charging device, the rotating assembly comprises a third connecting piece, a second rod body and a rotating shaft sleeve which are sequentially connected, the third connecting piece is arranged at one end of the second rod body so as to be connected with the hoisting equipment, and the rotating shaft sleeve is arranged at the other end of the second rod body and is coaxial with the second rod body.
Therefore, the emergency maintenance assembly provided by the embodiment of the invention temporarily realizes the lifting function of the spent fuel charging device through manual operation, so that the storage cover sealing device is separated from the storage tank, and the emergency disposal operation of the spent fuel charging device is realized. Maintenance personnel only need stand on the maintenance platform and realize through emergent maintenance subassembly in whole operation process, compare with the correlation technique, maintenance personnel need not closely contact high radioactivity spent fuel component to greatly reduced avoids the harm of radioactivity spent fuel component even, makes the maintenance security higher.
Therefore, the emergency maintenance assembly has the advantages of being high in safety and the like.
In some embodiments, the first link is a first link rotatably connected to the first rod about an axis of the first rod.
In some embodiments, the second connecting part is a connecting plate, the connecting plate is provided with a connecting hole penetrating along the thickness direction of the connecting plate, the hooks are multiple, the hooks comprise a first hook and a second hook, and the first hook and the second hook are arranged on two sides of the connecting hole at intervals along the width direction of the connecting plate.
In some embodiments, the first hook and/or the second hook are swingably connected to the second link.
In some embodiments, the first hook and/or the second hook is removably connected to the second attachment member.
In some embodiments, the third connecting member is a second link rotatably connected to the second rod about an axis of the second rod.
In some embodiments, the detaching assembly further includes a first handle, the first handle is connected to the first rod, and two ends of the first handle extend in a radial direction of the first rod away from the first rod, so that the first handle drives the first rod to rotate.
In some embodiments, the detaching assembly further includes a second handle, the second handle is connected to the second rod, and two ends of the second handle extend in a radial direction of the second rod away from the second rod, so that the second rod is driven to rotate by the second handle.
The emergency maintenance method of the embodiment of the invention is based on the emergency maintenance component in any embodiment, and comprises the following steps:
when the driving motor of the spent fuel charging device breaks down, a maintenance worker needs to stand on a maintenance platform above the spent fuel charging device to connect the first connecting piece with the hoisting equipment, the hoisting equipment drives the dismounting assembly to move, so that the hexagonal sleeve and a connecting screw between the driving motor and a speed reducer of the spent fuel charging device are centered and sleeved on the connecting screw, and then the first rod body is rotated to dismount the connecting screw;
after the connecting screws of the driving motor are completely removed, connecting the second connecting piece with the hoisting equipment, driving the hoisting assembly to move by the hoisting equipment, hooking the lifting hook on a lifting ring of the driving motor, lifting the driving motor, and transferring the driving motor to a low metering area for maintenance;
after the driving motor is separated from the speed reducer, a maintenance worker connects the third connecting piece with the hoisting equipment, the hoisting equipment drives the rotating assembly to move, the rotating shaft sleeve is sleeved on the input shaft of the speed reducer, and then the second rod body is rotated to drive the lead screw to rotate, so that the lead screw drives the storage cover sealing device to ascend and be separated from the storage tank.
The emergency maintenance method provided by the embodiment of the invention has the advantages of high safety and the like.
Drawings
Fig. 1 is a schematic structural view of a spent fuel charging device in the related art.
Fig. 2 is a schematic structural view of a disassembly assembly of the emergency service assembly according to an embodiment of the invention.
Fig. 3 is a front view of a lifting assembly of the emergency service assembly of an embodiment of the invention.
Fig. 4 is a side view of a hoist assembly of the emergency service assembly of an embodiment of the invention.
Fig. 5 is a schematic structural view of a rotating assembly of the emergency service assembly according to an embodiment of the invention.
Fig. 6 is a state diagram of the use of the detachment assembly of the emergency maintenance assembly of the embodiment of the present invention.
Fig. 7 is a using state diagram of a hoisting assembly of the emergency maintenance assembly according to the embodiment of the invention.
Fig. 8 is a state view of the rotating assembly of the emergency maintenance assembly according to the embodiment of the present invention.
Reference numerals:
disassembling the assembly 1; a first connecting member 101; a first rod 102; a hexagonal socket 103; a first handle 104;
hoisting the assembly 2; a second connection member 201; a connection hole 2011; a hook 203; a first hook 2031; a second hook 2032; a shackle 204;
a rotating assembly 3; a third connecting member 301; a second rod 302; a rotating shaft sleeve 303; a second handle 304;
a concrete floor 10;
an equipment stand 11;
a drive motor 12;
a speed reducer 13;
a lead screw 14;
a beam slider 15;
a feed pipe 16;
a tank cover sealing and pressing device 17;
a lead screw nut 18;
the platform 19 is maintained.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The technical solution of the present application is described in detail below with reference to the accompanying drawings.
As shown in fig. 2 to 8, the emergency maintenance assembly according to the embodiment of the present invention includes a disassembling assembly 1, a hoisting assembly 2, and a rotating assembly 3. The disassembling component 1 comprises a first connecting piece 101, a first rod 102 and a hexagonal sleeve 103 which are connected in sequence. The first connecting piece 101 is arranged at one end of the first rod 102 so as to be connected with a hoisting device, and the hexagonal sleeve 103 is arranged at the other end of the first rod 102 and is coaxial with the first rod 102. The hoisting assembly 2 comprises a second connecting piece 201 and a lifting hook 203 which are connected, the second connecting piece 201 is used for being connected with hoisting equipment, and the lifting hook 203 is used for being connected with a driving motor 12 of the spent fuel charging device. The rotating assembly 3 comprises a third connecting piece 301, a second rod body 302 and a rotating shaft sleeve 303 which are connected in sequence. The third connecting piece 301 is arranged at one end of the second rod body 302 so as to be connected with hoisting equipment, and the rotating shaft sleeve 303 is arranged at the other end of the second rod body 302 and is coaxial with the second rod body 302.
When the emergency maintenance assembly according to the embodiment of the invention is used, when the driving motor 12 of the spent fuel charging device fails, as shown in fig. 6, firstly, a maintenance worker needs to stand on the maintenance platform 19 above the spent fuel charging device to connect the first connecting member 101 with a hoisting device (for example, a crane in a factory building), the hoisting device drives the dismounting assembly 1 to move, so that the hexagonal sleeve 103 is aligned with and sleeved on the connecting screw between the driving motor 12 of the spent fuel charging device and the speed reducer 13, and then the first rod 102 is rotated to dismount the connecting screw.
After the connecting screws between the driving motor 12 and the speed reducer 13 are completely removed, as shown in fig. 7, the maintenance personnel connects the second connecting member 201 to the hoisting device, the hoisting device drives the hoisting assembly 2 to move, hooks the lifting hook 203 to the lifting ring of the driving motor 12, lifts the driving motor 12, and transfers the driving motor 12 to the low metering area for maintenance.
After driving motor 12 and speed reducer 13 separation, as shown in fig. 8, the maintenance personal links to each other third connecting piece 301 with lifting device, lifting device drives runner assembly 3 and removes, and with the input shaft of pivot sleeve 303 suit at speed reducer 13, then rotate the second body of rod 302 and rotate with drive lead screw 14, make lead screw 14 drive crossbeam slider 15 rise, crossbeam slider 15 drives and stores up the rising of lid closing device 17 and separate with the storage tank, at last shift the storage tank that is equipped with high radioactivity spent fuel component to other positions, in order to reduce the dose of spent fuel factory building of filling.
Therefore, the emergency maintenance assembly provided by the embodiment of the invention temporarily realizes the lifting function of the spent fuel charging device through manual operation, so that the storage cover sealing device 17 is separated from the storage tank, and the emergency disposal operation of the spent fuel charging device is realized. In the whole operation process, maintenance personnel only need stand on the maintenance platform 19 and realize through the emergency maintenance assembly, compared with the related art, the maintenance personnel do not need to contact the high-radioactivity spent fuel element in a close range, so that the damage of the radioactive spent fuel element is greatly reduced or even avoided, and the maintenance safety is higher.
Therefore, the emergency maintenance assembly has the advantages of being high in safety and the like.
In some embodiments, the first connecting member 101 is a first hanging ring, and the first hanging ring is rotatably connected to the first rod 102 around the axis of the first rod 102.
As shown in fig. 2, in particular, during the use process, the first hanging ring can be directly hung on the hook 203 of the hoisting device, so that the disassembling component 1 can be conveniently connected with the hoisting device. The first hanging ring is rotatably connected with the first rod body 102 around the axis of the first rod body 102, so that the first rod body 102 can rotate conveniently in the process of disassembling and assembling the connecting screw of the driving motor 12, the disassembling efficiency is improved, and the disassembling efficiency of the emergency maintenance assembly in the embodiment of the invention is higher.
In some embodiments, the second connecting member 201 is a connecting plate, the connecting plate has a connecting hole 2011 penetrating along a thickness direction of the connecting plate, the hooks 203 are multiple, the hooks 203 include a first hook 2031 and a second hook 2032, and the first hook 2031 and the second hook 2032 are spaced at two sides of the connecting hole 2011 along a width direction of the connecting plate.
As shown in fig. 3, specifically, in the use process, the connection hole 2011 is hung on the hook 203 of the hoisting device, and the first hook 2031 and the second hook 2032 are respectively hooked on two hoisting rings of the driving motor 12, which are opposite to each other in the radial direction of the motor, which is beneficial to maintaining the stability of hoisting the motor and improving the hoisting stability of the emergency maintenance component according to the embodiment of the present invention.
In some embodiments, the first hook 2031 and/or the second hook 2032 are swingably connected to the second connector 201.
The first hook 2031 and/or the second hook 2032 are/is swingably connected to the second link 201, and it is understood that the first hook 2031 is swingably connected to the second link 201, and the second hook 2032 is not swingably connected to the second link 201; alternatively, the first hook 2031 is non-swingably connected to the second link 201, and the second hook 2032 is swingably connected to the second link 201; alternatively, the first hook 2031 and the second hook 2032 may be swingably connected to the second link 201.
For example, as shown in fig. 3, each of the first hook 2031 and the second hook 2032 is swingably connected to the second link 201. From this, through linking to each other first lifting hook 2031 and second lifting hook 2032 swingably with second connecting piece 201, can be fast with first lifting hook 2031 and second lifting hook 2032 hook on driving motor 12's rings through swing first lifting hook 2031 or second lifting hook 2032 in hoist and mount process, easy operation, hoist and mount convenience.
In some embodiments, the first hook 2031 and/or the second hook 2032 are removably connected to the second connector 201.
The first hook 2031 and/or the second hook 2032 are/is detachably connected to the second connector 201, it being understood that the first hook 2031 is detachably connected to the second connector 201, and the second hook 2032 is non-detachably connected to the second connector 201; alternatively, the first hook 2031 is non-detachably connected to the second connector 201, and the second hook 2032 is detachably connected to the second connector 201; still alternatively, both the first hook 2031 and the second hook 2032 may be detachably connected to the second connector 201.
For example, as shown in fig. 4, the first hook 2031 and the second hook 2032 are detachably connected to the second connecting member 201 via the shackle 204, which facilitates the manufacturing of the first hook 2031 and the second hook 2032, and the hook 203 can be connected to the second connecting member after the manufacturing is completed; on the other hand, it is also convenient to replace the damaged first and second hooks 2031 and 2032.
In some embodiments, the third connecting member 301 is a second hanging ring, and the second hanging ring is rotatably connected to the second rod 302 around the axis of the second rod 302.
As shown in fig. 5, in particular, during the use process, the second hanging ring can be directly hung on the hook 203 of the hoisting device, so as to facilitate the connection of the rotating assembly 3 with the hoisting device. By connecting the second hanging ring with the second rod 302 in a rotatable manner around the axis of the second rod 302, the second rod 302 can rotate conveniently in the process of rotating the speed reducer 13, which is beneficial to improving the maintenance efficiency of the emergency maintenance assembly in the embodiment of the invention.
Optionally, the detaching assembly 1 further includes a first handle 104, the first handle 104 is connected to the first rod 102, and two ends of the first handle 104 extend along a radial direction of the first rod 102 in a direction away from the first rod 102, so that the first handle 104 drives the first rod 102 to rotate. By arranging the first handle 104, the first rod 102 can be rotated conveniently, which is further beneficial to improving the dismounting efficiency of the dismounting assembly 1 and further beneficial to improving the maintenance efficiency of the emergency maintenance assembly according to the embodiment of the invention.
Optionally, the detachment assembly 1 further includes a second handle 304, the second handle 304 is connected to the second shaft 302, and two ends of the second handle 304 extend along a radial direction of the second shaft 302 in a direction away from the second shaft 302, so that the second handle 304 drives the second shaft 302 to rotate. By arranging the second handle 304, the second rod body 303 can be conveniently selected and rotated, the rotating efficiency of the rotating assembly 3 can be further improved, and the maintenance efficiency of the emergency maintenance assembly in the embodiment of the invention can be further improved.
The emergency maintenance method of the embodiment of the invention is based on the emergency maintenance component in any embodiment, and comprises the following steps:
when the driving motor 12 of the spent fuel charging device fails, a maintenance worker needs to stand on the maintenance platform 19 above the spent fuel charging device to connect the first connecting piece 101 with the hoisting equipment, the hoisting equipment drives the dismounting component 1 to move, so that the hexagonal sleeve 103 is aligned with and sleeved on a connecting screw between the driving motor 12 of the spent fuel charging device and the speed reducer 13, and then the first rod body 102 is rotated to dismount the connecting screw;
after the connecting screws of the driving motor 12 are completely removed, the second connecting piece 201 is connected with hoisting equipment, the hoisting equipment drives the hoisting assembly 2 to move, hooks the lifting hook 203 on the lifting ring of the driving motor 12, lifts the driving motor 12, and transfers the driving motor 12 to a low metering area for maintenance;
after the driving motor 12 is separated from the speed reducer 13, a maintenance worker connects the third connecting piece 301 with a hoisting device, the hoisting device drives the rotating assembly 3 to move, the rotating shaft sleeve 303 is sleeved on an input shaft of the speed reducer 13, and then the second rod body 302 is rotated to drive the lead screw 14 to rotate, so that the lead screw 14 drives the storage cover sealing device 17 to ascend and be separated from the storage tank.
Therefore, the emergency maintenance method provided by the embodiment of the invention is realized only by standing on the maintenance platform 19 through the emergency maintenance assembly, and compared with the related technology, maintenance personnel do not need to contact the high-radioactivity spent fuel element in a close range, so that the damage of the radioactive spent fuel element is greatly reduced or even avoided, and the maintenance safety is higher.
Therefore, the emergency maintenance method provided by the embodiment of the invention has the advantages of high safety and the like.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the above embodiments have been shown and described, it should be understood that they are exemplary and should not be construed as limiting the present invention, and that many changes, modifications, substitutions and alterations to the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. An emergency maintenance assembly for a high temperature gas cooled reactor spent fuel charging apparatus, comprising:
the dismounting assembly comprises a first connecting piece, a first rod body and a hexagonal sleeve which are sequentially connected, the first connecting piece is arranged at one end of the first rod body so as to be connected with hoisting equipment, and the hexagonal sleeve is arranged at the other end of the first rod body and is coaxial with the first rod body;
the hoisting assembly comprises a second connecting piece and a lifting hook which are connected, the second connecting piece is used for being connected with the hoisting equipment, and the lifting hook is used for being connected with a driving motor of the spent fuel charging device;
the rotating assembly comprises a third connecting piece, a second rod body and a rotating shaft sleeve which are sequentially connected, wherein the third connecting piece is arranged at one end of the second rod body so as to be used for connecting with the hoisting equipment, and the rotating shaft sleeve is arranged at the other end of the second rod body and coaxial with the second rod body.
2. The emergency maintenance assembly for a high temperature gas cooled reactor spent fuel loading apparatus according to claim 1, wherein the first connecting member is a first link rotatably connected to the first rod about an axis of the first rod.
3. The emergency maintenance assembly for the high temperature gas cooled reactor spent fuel loading apparatus according to claim 1, wherein the second connecting member is a connecting plate, the connecting plate has a connecting hole penetrating therethrough in a thickness direction of the connecting plate, the plurality of hooks includes a first hook and a second hook, and the first hook and the second hook are spaced apart from each other on both sides of the connecting hole in a width direction of the connecting plate.
4. The emergency maintenance assembly for the spent fuel loading apparatus for the high temperature gas cooled reactor according to claim 3, wherein the first hook and/or the second hook is swingably connected to the second connecting member.
5. The emergency maintenance assembly for a spent fuel charging apparatus for a high temperature gas cooled reactor according to claim 3, wherein the first hook and/or the second hook is detachably connected to the second connector.
6. The emergency maintenance assembly for the spent fuel loading apparatus for the high temperature gas cooled reactor according to claim 1, wherein the third connecting member is a second hanging ring, and the second hanging ring is rotatably connected to the second rod body around an axis of the second rod body.
7. The emergency maintenance assembly for the spent fuel loading device of the high temperature gas cooled reactor according to claim 1, wherein the disassembling assembly further comprises a first handle, the first handle is connected to the first rod, and two ends of the first handle extend along a radial direction of the first rod in a direction away from the first rod, so that the first handle drives the first rod to rotate.
8. The emergency maintenance assembly for the high temperature gas-cooled reactor spent fuel loading device according to claim 1, wherein the disassembling assembly further comprises a second handle, the second handle is connected to the second rod body, and two ends of the second handle extend along a radial direction of the second rod body in a direction away from the second rod body, so that the second rod body is driven to rotate by the second handle.
9. An emergency maintenance method for a high temperature gas-cooled reactor spent fuel charging device, which is based on the emergency maintenance assembly for the high temperature gas-cooled reactor spent fuel charging device of any one of claims 1 to 8, and is characterized by comprising the following steps:
when the driving motor of the spent fuel charging device breaks down, a maintenance worker needs to stand on a maintenance platform above the spent fuel charging device to connect the first connecting piece with the hoisting equipment, the hoisting equipment drives the dismounting assembly to move, so that the hexagonal sleeve is aligned with and sleeved on the connecting screw between the driving motor of the spent fuel charging device and the speed reducer, and then the first rod body is rotated to dismount the connecting screw;
after the connecting screws of the driving motor are completely removed, connecting the second connecting piece with the hoisting equipment, driving the hoisting assembly to move by the hoisting equipment, hooking the lifting hook on the lifting ring of the driving motor, lifting the driving motor, and transferring the driving motor to a low metering area for maintenance;
after the driving motor is separated from the speed reducer, a maintenance worker connects the third connecting piece with the hoisting equipment, the hoisting equipment drives the rotating assembly to move, the rotating shaft sleeve is sleeved on the input shaft of the speed reducer, and then the second rod body is rotated by the driving screw rod, so that the screw rod drives the storage cover sealing device to ascend and be separated from the storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211202217.1A CN115527698A (en) | 2022-09-29 | 2022-09-29 | Emergency maintenance assembly and method for high-temperature gas cooled reactor spent fuel charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211202217.1A CN115527698A (en) | 2022-09-29 | 2022-09-29 | Emergency maintenance assembly and method for high-temperature gas cooled reactor spent fuel charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115527698A true CN115527698A (en) | 2022-12-27 |
Family
ID=84700516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211202217.1A Pending CN115527698A (en) | 2022-09-29 | 2022-09-29 | Emergency maintenance assembly and method for high-temperature gas cooled reactor spent fuel charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115527698A (en) |
-
2022
- 2022-09-29 CN CN202211202217.1A patent/CN115527698A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111936348B (en) | Mounting and dismounting system for battery assembly | |
| CN111741866B (en) | Method and system for mounting and dismounting battery in vehicle | |
| CN112236330B (en) | Alignment and locking mechanism for removable battery assembly | |
| US20230347770A1 (en) | Apparatus and method for charging a load handling device | |
| CN115527698A (en) | Emergency maintenance assembly and method for high-temperature gas cooled reactor spent fuel charging device | |
| CN108689299B (en) | The dilatation of million kilowatt Spent Fuel Pool removes overturning technique with old screen work | |
| JP3213085U (en) | Hanging balance with automatic shackle pin attachment / detachment device | |
| CN216646313U (en) | X-ray photographic imaging device of strain clamp and ground wire splicing sleeve electrification detection equipment | |
| US5064606A (en) | Channel box removing apparatus | |
| CN113942953B (en) | Portable spiral lifting carrier roller replacing method | |
| CN211078307U (en) | Simple platform elevator | |
| CN111422643B (en) | Maintenance method of gear ring bearing of ship loader | |
| CN219575191U (en) | Charging device maintenance kit | |
| CN210710416U (en) | Two-position conveying secondary protection mechanism | |
| CN219751661U (en) | Bucket powder charge agent hoist and mount frock | |
| CN218642251U (en) | Battery shifts frock | |
| CN219636805U (en) | Lifting device, robot releasing and recycling device and cable overhauling system | |
| CN111392453B (en) | Method for replacing chute of ship loader and ship loader | |
| CN212198244U (en) | Automatic feeding device for barreled metal powder | |
| CN113744906B (en) | Dismounting device for intermediate heat exchanger | |
| CN216807794U (en) | Lifting appliance for checking and salvaging underwater foreign matters of nuclear power station | |
| CN209850272U (en) | Lifting type hanging plate group for pipe bundle drawing and assembling machine | |
| CN214707894U (en) | Loading and unloading goods video monitoring device | |
| CN215448422U (en) | Reinforced concrete pipeline interface installation and corner test's erection equipment | |
| CN117361291A (en) | Motor rotor lifting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |