CN114044432A - Reactor main equipment hoisting tool - Google Patents
Reactor main equipment hoisting tool Download PDFInfo
- Publication number
- CN114044432A CN114044432A CN202111298649.2A CN202111298649A CN114044432A CN 114044432 A CN114044432 A CN 114044432A CN 202111298649 A CN202111298649 A CN 202111298649A CN 114044432 A CN114044432 A CN 114044432A
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- China
- Prior art keywords
- hoisting
- lifting
- main equipment
- main
- height
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 20
- 239000002356 single layer Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 8
- 239000000725 suspension Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The invention discloses a reactor main equipment hoisting tool, which comprises: the middle part of the main hanging beam is provided with a first hoisting mechanism, the first hoisting mechanism comprises a suspender and a first mounting assembly, the first mounting assembly is connected with the main hanging beam through the suspender, and the first mounting assembly is detachably connected with the top of the pressure container; and the second hoisting mechanisms are symmetrically distributed on two sides of the first hoisting mechanism and comprise height-adjusting components and second mounting components, the second mounting components are connected with the main hoisting beam through the height-adjusting components, the height-adjusting components are used for adjusting the height of the second mounting components, and the second mounting components are detachably connected with the top of the steam generator or the top of the main pump. Compared with the prior art, in the reactor main equipment hoisting tool, the first hoisting mechanism is arranged in the middle of the main hoisting beam, the plurality of second hoisting mechanisms are symmetrically distributed on two sides of the first hoisting mechanism, and the requirement on the hoisting levelness of the reactor main equipment can be met by adjusting the height of the height-adjusting component.
Description
Technical Field
The invention belongs to the technical field of installation of key equipment of nuclear power stations, and particularly relates to a reactor main equipment hoisting tool.
Background
A traditional hoisting tool for primary circuit main equipment of a pressurized water reactor nuclear power station is usually a small-sized short beam hoisting tool or a pull rod hoisting tool, and is used for turning and hoisting the equipment, the equipment is mostly independent containers and is basically symmetrical about a central axis, and the requirement on the leveling function of the hoisting tool is not high, so that most of the hoisting tools do not have the accurate leveling function.
The small pressurized water reactor structure mostly adopts compactness or integrated design, the main body to be lifted is mostly an irregular-shaped structure, the requirements on lifting stability and lifting leveling are high, and the existing lifting tool can not meet the requirements on lifting leveling.
Disclosure of Invention
The invention aims to: the hoisting tool for the reactor main equipment overcomes at least one defect in the prior art, and meets the hoisting and leveling requirements of a hoisting main body with an irregular shape.
In order to achieve the above object, the present invention provides a reactor main equipment hoisting tool, including:
the lifting device comprises a main lifting beam, wherein a first lifting mechanism is arranged in the middle of the main lifting beam, the first lifting mechanism comprises a lifting rod and a first mounting assembly, the first mounting assembly is connected with the main lifting beam through the lifting rod, and the first mounting assembly is detachably connected with the top of a pressure container; and
the second hoisting mechanisms are symmetrically distributed on two sides of the first hoisting mechanism and comprise height-adjusting components and second mounting components, the second mounting components are connected with the main hoisting beam through the height-adjusting components, the height-adjusting components are used for adjusting the height of the second mounting components, and the second mounting components are used for being detachably connected with the tops of the steam generators or the main pumps.
According to one embodiment of the reactor main equipment hoisting tool, the first mounting assembly comprises a hoisting beam arranged on the hoisting rod and bolts arranged on two sides of the hoisting beam.
According to one embodiment of the reactor main equipment hoisting tool, a first hoisting cover is arranged at the top of the pressure vessel, bolt holes are formed in the first hoisting cover corresponding to the bolts, and the bolts are connected into the bolt holes.
According to one embodiment of the reactor main equipment lifting tool according to the present invention, the hanger rod is connected to the main hanging beam by a plate tension meter.
According to one embodiment of the reactor main equipment hoisting tool, the height adjusting component is an adjustable pull rod, a sleeve with internal threads is arranged in the middle of the adjustable pull rod, two ends of the sleeve are connected with connecting rods with external threads, and the length of the adjustable pull rod is adjusted by rotating the sleeve.
According to one embodiment of the reactor main equipment hoisting tool, the adjustable pull rod is connected with the main hoisting beam through a plate-type tension meter.
According to one embodiment of the reactor main equipment hoisting tool, the lower edge of the main hoisting beam is provided with a first double-layer lifting lug, the top end of the adjustable pull rod is provided with a second double-layer lifting lug, the plate ring type tension meter is provided with an upper pin hole and a lower pin hole, the upper pin hole is connected with the first double-layer lifting lug through a pin, and the lower pin hole is connected with the second double-layer lifting lug through a pin.
According to an embodiment of the hoisting tool for reactor main equipment, the second mounting assembly is a third double-layer lifting lug arranged at the bottom end of the height-adjusting assembly.
According to one embodiment of the reactor main equipment hoisting tool, a second hoisting cover is arranged at the top of the steam generator or the main pump, a single-layer lifting lug is arranged on the second hoisting cover, and the single-layer lifting lug is connected with the third double-layer lifting lug through a pin.
According to one embodiment of the reactor main equipment lifting tool of the present invention, the main lifting beam comprises a lifting point distribution piece and a cross beam, and the cross beam is connected with the lifting point distribution piece through a plurality of pull rods.
Compared with the prior art, in the reactor main equipment hoisting tool, the first hoisting mechanism is arranged in the middle of the main hoisting beam and comprises the hoisting rod and the first installation component connected with the main hoisting beam through the hoisting rod, the first installation component is detachably connected with the top of the pressure container, the plurality of second hoisting mechanisms are symmetrically distributed on two sides of the first hoisting mechanism, each second hoisting mechanism comprises the height adjusting component and the second installation component detachably connected with the top of the steam generator or the top of the main pump, the hoisting height of the second hoisting mechanism can be adjusted by adjusting the height of the height adjusting component, and the requirement of the reactor main equipment hoisting levelness is met.
Drawings
The reactor main equipment hoisting tool and the technical effects thereof of the present invention will be described in detail with reference to the accompanying drawings and the detailed description, wherein:
fig. 1 is a schematic structural diagram of a reactor main equipment hoisting tool of the invention.
Fig. 2 is a schematic structural diagram of a height-adjusting assembly in the reactor main equipment hoisting tool of the invention.
Fig. 3 is a schematic view of the connection between the first installation component and the top of the pressure vessel in the reactor main equipment hoisting tool of the present invention.
Fig. 4 is a schematic view of the connection between the second mounting assembly and the top of the steam generator or the main pump in the reactor main equipment hoisting tool of the invention.
In the figure: 10- -main hanging beam; 100- -hoisting point distribution member; 102- -beam; 104- -a pull rod; 106-a first double-layer lifting lug; 20- -a first hoisting mechanism; 200-a boom; 202- -first mounting assembly; 204- -hoisting the beam; 206- -bolt; 208- -plate tension meter; 30-a second hoisting mechanism; 300- -raise assembly; 302- -a cannula; 304- -a connecting rod; 306-a second double-layer lifting lug; 308- -second mounting assembly; 40- -a pressure vessel; 400- -first cover for lifting; 50- -steam generator; 500- -second hoisting lid; 502- -Single layer lifting lug.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention more clear, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, the present invention provides a reactor main equipment hoisting tool, which includes:
the lifting device comprises a main lifting beam 10, wherein a first lifting mechanism 20 is arranged in the middle of the main lifting beam 10, the first lifting mechanism 20 comprises a lifting rod 200 and a first mounting assembly 202, the first mounting assembly 202 is connected with the main lifting beam 10 through the lifting rod 200, and the first mounting assembly 202 is detachably connected with the top of a pressure container 40; and
the plurality of second hoisting mechanisms 30 are symmetrically distributed on two sides of the first hoisting mechanism 20, each second hoisting mechanism 30 comprises a height-adjusting component 300 and a second mounting component 308, each second mounting component 308 is connected with the corresponding main hoisting beam 10 through the corresponding height-adjusting component 300, each height-adjusting component 300 is used for adjusting the height of the corresponding second mounting component 308, and each second mounting component 308 is detachably connected with the top of the corresponding steam generator 50 or the top of the corresponding main pump.
Referring to fig. 1, the main suspension beam 10 includes a suspension point distributor 100 and a cross beam 102, and the cross beam 102 is connected to the suspension point distributor 100 by a plurality of tie rods 104. The hoisting point distribution member 100 is a one-to-many hoist transition structure, the upper portion of which can be connected to a crane hook and the lower portion of which is connected to a beam 102 by a tie rod 104.
Referring also to fig. 2, the height-adjusting assembly 300 is an adjustable pull rod having sufficient strength to meet the hoisting requirement. The middle part of the adjustable pull rod is provided with a sleeve 302 with internal threads, the two ends of the sleeve 302 are provided with connecting rods 304 with external threads, and the length of the adjustable pull rod can be adjusted by rotating the sleeve 302.
The adjustable pull rod is connected with the main hanging beam 10 through the plate-type tension meter 208, the lower edge of the main hanging beam 10 is provided with a first double-layer lifting lug 106, the top end of the adjustable pull rod is provided with a second double-layer lifting lug 306, the plate-ring type tension meter 208 is provided with an upper pin hole (not marked) and a lower pin hole (not marked), the upper pin hole is connected with the first double-layer lifting lug 106 through a pin, and the lower pin hole is connected with the second double-layer lifting lug 306 through a pin. The hoist load data may be monitored in real time and transmitted remotely as the plate and ring tension gauge 208 is subjected to vertical tension.
Referring also to fig. 3, the first mounting assembly 202 includes a lifting beam 204 disposed on the suspension rod 200 and bolts 206 disposed on both sides of the lifting beam 204. The top of the pressure vessel 40 is provided with a first hoisting cover 400, and the lower surface of the first hoisting cover 400 is processed with a sealing surface to be tightly sealed with the flange surface of the pressure vessel. The first lifting cover 400 is provided with bolt holes (not shown) corresponding to the bolts 206, and the bolts 206 can be correspondingly connected to the bolt holes through threaded connection.
The middle of the hoisting cross beam 204 is provided with a pin hole (not marked), the lower end of the suspender 200 is correspondingly provided with a pin hole (not marked), and the hoisting cross beam 204 is connected with the suspender 200 through a cylindrical pin. In the embodiment shown in fig. 3, three through holes are respectively formed in two sides of the hoisting beam 204, three bolt holes perpendicular to the direction of the main hoisting beam 10 are correspondingly formed in two sides of the first hoisting cover 400, and when the hoisting beam 204 is placed on the first hoisting cover 400, the reactor pressure vessel flange and the first hoisting cover 400 can be connected to the hoisting beam 204 by using three bolts 206 on one side. The hanger bar 200 is also connected to the main suspension beam 10 by a plate tension gauge 208. the plate tension gauge 208 is arranged in the same manner as the plate tension gauge 208 connected to the height adjustment assembly 300 and the main suspension beam 10 described above.
Referring to fig. 4, the second mounting assembly 308 is a third double-layer lifting lug arranged at the bottom end of the height-adjusting assembly 300, a second lifting cover 500 is arranged at the top of the steam generator 50, a single-layer lifting lug 502 is arranged on the second lifting cover 500, and the single-layer lifting lug 502 is connected with the third double-layer lifting lug through a pin. When the second mounting assembly 308 is detachably connected to the main pump, the main pump may also be provided with a structure similar to the second lifting cap 500 and the single-layer lifting lug 502 of the steam generator 50.
When the reactor main equipment is lifted, the lifting appliance is slightly lifted away from the bottom surface after being connected with the reactor main equipment, and after three-point lifting load and the level parameter of the datum plane of the key equipment are recorded, the lifting appliance releases the reactor main equipment to a lifting rack, and the length of the adjustable pull rod below the main lifting beam 10 is adjusted to meet the requirement of the lifting level of the reactor main equipment. And slightly hoisting off the bottom surface again, retesting the key levelness and three-point hoisting load of the equipment, and normally hoisting after the requirements are met.
In combination with the above detailed description of the embodiments of the present invention, it can be seen that, compared with the prior art, the reactor main equipment hoisting tool of the present invention has the following advantages: the middle part of main hanging beam 10 is equipped with first hoisting machine and constructs 20, first hoisting machine constructs 20 and includes jib 200 and the first installation component 202 of connecting main hanging beam 10 through jib 200, first installation component 202 is used for can dismantling with pressure vessel 40's top and is connected, a plurality of second hoisting machine constructs 30 symmetric distribution in first hoisting machine constructs 20 both sides, second hoisting machine constructs 30 and constructs 300 and can dismantle the second installation component 308 of connecting steam generator 50 or main pump top including heightening the subassembly, heighten the height of subassembly 300 through the adjustment, can adjust the hoist and mount height that second hoisting machine constructs 30, satisfy the requirement of reactor main equipment hoist and mount levelness.
The present invention can be modified and adapted appropriately from the above-described embodiments, according to the principles described above. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. A reactor main equipment lifting device is characterized by comprising:
the lifting device comprises a main lifting beam, wherein a first lifting mechanism is arranged in the middle of the main lifting beam, the first lifting mechanism comprises a lifting rod and a first mounting assembly, the first mounting assembly is connected with the main lifting beam through the lifting rod, and the first mounting assembly is detachably connected with the top of a pressure container; and
the second hoisting mechanisms are symmetrically distributed on two sides of the first hoisting mechanism and comprise height-adjusting components and second mounting components, the second mounting components are connected with the main hoisting beam through the height-adjusting components, the height-adjusting components are used for adjusting the height of the second mounting components, and the second mounting components are used for being detachably connected with the tops of the steam generators or the main pumps.
2. The reactor main equipment lifting tool of claim 1, wherein the first mounting assembly comprises a lifting beam disposed on the hanger rod and bolts disposed on both sides of the lifting beam.
3. The reactor main equipment hoisting tool according to claim 2, wherein a first hoisting cover is arranged on the top of the pressure vessel, a bolt hole is arranged on the first hoisting cover corresponding to the bolt, and the bolt is connected in the bolt hole.
4. The reactor main equipment lifting tool of claim 2, wherein the hanger bar is connected to the main hanger beam by a plate tension meter.
5. The reactor main equipment hoisting tool according to claim 1, wherein the height adjusting component is an adjustable pull rod, a sleeve with internal threads is arranged in the middle of the adjustable pull rod, two ends of the sleeve are connected with connecting rods with external threads, and the length of the adjustable pull rod is adjusted by rotating the sleeve.
6. The reactor main equipment lifting tool of claim 5, wherein the adjustable tie bar is connected to the main lifting beam by a plate tension meter.
7. The reactor main equipment hoisting tool according to claim 6, wherein the lower edge of the main hoisting beam is provided with a first double-layer lifting lug, the top end of the adjustable pull rod is provided with a second double-layer lifting lug, the plate-ring type tension meter is provided with an upper pin hole and a lower pin hole, the upper pin hole is connected with the first double-layer lifting lug through a pin, and the lower pin hole is connected with the second double-layer lifting lug through a pin.
8. The reactor main equipment lifting tool according to claim 1, wherein the second mounting assembly is a third double-layer lifting lug arranged at the bottom end of the height-adjusting assembly.
9. The reactor main equipment hoisting tool according to claim 8, wherein a second hoisting cover is arranged on the top of the steam generator or the main pump, a single-layer lifting lug is arranged on the second hoisting cover, and the single-layer lifting lug is connected with the third double-layer lifting lug through a pin.
10. The reactor main equipment hoist tool of any one of claims 1 to 9, wherein the main hoist beam includes a hoist point distributor and a cross beam connected to the hoist point distributor by a plurality of tie rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298649.2A CN114044432B (en) | 2021-11-04 | 2021-11-04 | Hoisting tool for reactor main equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298649.2A CN114044432B (en) | 2021-11-04 | 2021-11-04 | Hoisting tool for reactor main equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114044432A true CN114044432A (en) | 2022-02-15 |
| CN114044432B CN114044432B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111298649.2A Active CN114044432B (en) | 2021-11-04 | 2021-11-04 | Hoisting tool for reactor main equipment |
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| CN (1) | CN114044432B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08259171A (en) * | 1995-03-17 | 1996-10-08 | Ohbayashi Corp | Slinging device of crane |
| JP2004144684A (en) * | 2002-10-28 | 2004-05-20 | Hitachi Plant Eng & Constr Co Ltd | Method and apparatus for pulling up reactor containment vessel head |
| CN202214131U (en) * | 2011-08-23 | 2012-05-09 | 中国核工业第五建设有限公司 | Three-point lifting beam |
| CN206969995U (en) * | 2017-04-25 | 2018-02-06 | 广东力特工程机械有限公司 | A kind of suspender of nuclear power plant nuclear island main equipment |
| CN209383254U (en) * | 2018-11-22 | 2019-09-13 | 深圳中广核工程设计有限公司 | Nuclear power station steam generator overturns hanging apparatus |
-
2021
- 2021-11-04 CN CN202111298649.2A patent/CN114044432B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08259171A (en) * | 1995-03-17 | 1996-10-08 | Ohbayashi Corp | Slinging device of crane |
| JP2004144684A (en) * | 2002-10-28 | 2004-05-20 | Hitachi Plant Eng & Constr Co Ltd | Method and apparatus for pulling up reactor containment vessel head |
| CN202214131U (en) * | 2011-08-23 | 2012-05-09 | 中国核工业第五建设有限公司 | Three-point lifting beam |
| CN206969995U (en) * | 2017-04-25 | 2018-02-06 | 广东力特工程机械有限公司 | A kind of suspender of nuclear power plant nuclear island main equipment |
| CN209383254U (en) * | 2018-11-22 | 2019-09-13 | 深圳中广核工程设计有限公司 | Nuclear power station steam generator overturns hanging apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114044432B (en) | 2024-01-09 |
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