CN114044432B - Hoisting tool for reactor main equipment - Google Patents
Hoisting tool for reactor main equipment Download PDFInfo
- Publication number
- CN114044432B CN114044432B CN202111298649.2A CN202111298649A CN114044432B CN 114044432 B CN114044432 B CN 114044432B CN 202111298649 A CN202111298649 A CN 202111298649A CN 114044432 B CN114044432 B CN 114044432B
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- China
- Prior art keywords
- lifting
- main
- installation component
- reactor main
- hanging
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- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 238000009434 installation Methods 0.000 claims abstract description 35
- 238000009826 distribution Methods 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 20
- 239000002356 single layer Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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 lifting tool for reactor main equipment, 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 installation component, the first installation component is connected with the main hanging beam through the suspender, and the first installation component is used for being detachably connected with the top of the pressure vessel; and a plurality of second hoist and mount mechanisms, the symmetric distribution is in first hoist and mount mechanism both sides, and second hoist and mount mechanism is including heightening subassembly and second installation component, and the second installation component is connected with main hanging beam through heightening subassembly, and heightening subassembly is used for adjusting the height of second installation component, and the second installation component is used for dismantling with steam generator or the top of main pump and is connected. Compared with the prior art, in the lifting tool for the reactor main equipment, the first lifting mechanism is arranged in the middle of the main lifting beam, the plurality of second lifting mechanisms are symmetrically distributed on two sides of the first lifting mechanism, and the requirement of the lifting 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 a nuclear power station, and particularly relates to a reactor main equipment lifting tool.
Background
The traditional primary loop equipment lifting tool of the pressurized water reactor nuclear power station is usually a small short beam lifting tool or a pull rod lifting tool, the equipment is turned over and lifted, the equipment is mainly an independent container and is basically symmetrical about a central axis, the requirement on the leveling function of the lifting tool is not high, and therefore, most lifting tools do not have an accurate leveling function.
The small pressurized water reactor structure adopts compact or integrated design, the main body to be lifted is of an irregular structure, the lifting stability and the lifting leveling requirements are high, and the existing lifting tool cannot meet the lifting leveling requirements.
Disclosure of Invention
The invention aims at: at least one defect in the prior art is overcome, and a lifting tool for reactor main equipment is provided so as to meet the lifting and leveling requirements of irregularly-shaped lifting main bodies.
In order to achieve the above object, the present invention provides a lifting tool for a reactor main apparatus, comprising:
the device comprises a main hanging beam, wherein a first hanging mechanism is arranged in the middle of the main hanging beam, the first hanging mechanism comprises a hanging rod and a first installation component, the first installation component is connected with the main hanging beam through the hanging rod, and the first installation component is used for being detachably connected with the top of a pressure container; and
the second lifting mechanisms are symmetrically distributed on two sides of the first lifting mechanism, each second lifting mechanism comprises a height adjusting component and a second installation component, each second installation component is connected with the main lifting beam through the corresponding height adjusting component, the height adjusting components are used for adjusting the height of the corresponding second installation components, and the second installation components are used for being detachably connected with the top of the steam generator or the main pump.
According to one embodiment of the reactor main equipment lifting tool of the invention, the first mounting assembly comprises a lifting beam arranged on the suspender and bolts arranged on two sides of the lifting beam.
According to one embodiment of the reactor main equipment lifting tool, a first lifting cover is arranged at the top of the pressure vessel, a bolt hole is formed in the first lifting cover corresponding to the bolt, and the bolt is connected into the bolt hole.
According to one embodiment of the reactor main equipment lifting tool of the invention, the hanger rods are connected to the main hanger beam by means of a plate-ring type tension meter.
According to one embodiment of the reactor main equipment lifting 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 lifting tool of the invention, the adjustable tie rod is connected with the main lifting beam through a plate-ring type tension gauge.
According to one embodiment of the reactor main equipment lifting tool, the lower edge of the main lifting 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 gauge 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 one embodiment of the reactor main equipment lifting tool, the second installation component is a third double-layer lifting lug arranged at the bottom end of the height-adjusting component.
According to one embodiment of the reactor main equipment lifting tool, a second lifting cover is arranged at the top of the steam generator or the main pump, a single-layer lifting lug is arranged on the second lifting 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 invention, the main lifting beam comprises a lifting point distribution member and a cross beam, and the cross beam is connected with the lifting point distribution member through a plurality of pull rods.
Compared with the prior art, in the reactor main equipment lifting tool, the first lifting mechanism is arranged in the middle of the main lifting beam and comprises the suspender and the first installation component connected with the main lifting beam through the suspender, the first installation component is used for being detachably connected with the top of the pressure vessel, the second lifting mechanisms are symmetrically distributed on two sides of the first lifting mechanism, the second lifting mechanism comprises the heightening component and the second installation component detachably connected with the top of the steam generator or the main pump, the lifting height of the second lifting mechanism can be adjusted by adjusting the height of the heightening component, and the requirement of the lifting levelness of the reactor main equipment is met.
Drawings
The invention relates to a reactor main equipment lifting tool and a technical effect thereof, which are described in detail below with reference to the accompanying drawings and the detailed description, wherein:
fig. 1 is a schematic structural view of a lifting tool for a reactor main apparatus according to the present invention.
Fig. 2 is a schematic structural diagram of a height adjusting component in the lifting tool of the reactor main equipment of the invention.
Fig. 3 is a schematic view showing the connection between the first installation component and the top of the pressure vessel in the lifting tool for the reactor main equipment according to the present invention.
Fig. 4 is a schematic diagram showing connection between the second installation component and the top of the steam generator or the main pump in the lifting tool of the reactor main equipment according to the present invention.
In the figure: 10- -main hanging beam; 100—a hanging point dispenser; 102- -a cross beam; 104- -a pull rod; 106- -a first double-layer shackle; 20- -a first hoisting mechanism; 200- -a boom; 202-a first mounting assembly; 204—hoisting the cross beam; 206—a bolt; 208—plate ring tensiometer; 30- -a second hoisting mechanism; 300—a heightening component; 302- -a sleeve; 304—a connecting rod; 306—a second double layer shackle; 308- -a second mounting assembly; 40- -a pressure vessel; 400—a first lifting cover; 50- -a steam generator; 500—a second lifting cover; 502-single layer shackle.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is presented herein for purposes of illustration only and is not intended to limit the invention.
As shown in fig. 1 to 4, the present invention provides a lifting tool for a reactor main apparatus, which includes:
the main hanging beam 10, the middle part of the main hanging beam 10 is provided with a first hanging mechanism 20, the first hanging mechanism 20 comprises a hanging rod 200 and a first installation assembly 202, the first installation assembly 202 is connected with the main hanging beam 10 through the hanging rod 200, and the first installation assembly 202 is used for being detachably connected with the top of the pressure vessel 40; and
the second hoisting mechanisms 30 are symmetrically distributed on two sides of the first hoisting mechanism 20, the second hoisting mechanisms 30 comprise a height adjusting component 300 and a second mounting component 308, the second mounting component 308 is connected with the main hoisting beam 10 through the height adjusting component 300, the height adjusting component 300 is used for adjusting the height of the second mounting component 308, and the second mounting component 308 is used for being detachably connected with the top of the steam generator 50 or the main pump.
Referring to fig. 1, the main hanging beam 10 includes a hanging point distribution member 100 and a cross beam 102, and the cross beam 102 is connected to the hanging point distribution member 100 by a plurality of tie rods 104. The lifting point distribution member 100 is a one-to-many lifting transition structure, the upper portion of which can be connected to a crane hook, and the lower portion of which is connected to the beam 102 via a tie rod 104.
Referring to fig. 2, the height adjusting assembly 300 is an adjustable pull rod, which has enough strength to meet the lifting requirement. The middle part of the adjustable pull rod is provided with a sleeve pipe 302 with internal threads, two ends of the sleeve pipe 302 are connected with a connecting rod 304 with external threads, and the length of the adjustable pull rod can be adjusted by rotating the sleeve pipe 302.
The adjustable pull rod is connected with the main hanging beam 10 through a plate ring type tension gauge 208, a first double-layer lifting lug 106 is arranged at the lower edge of the main hanging beam 10, a second double-layer lifting lug 306 is arranged at the top end of the adjustable pull rod, an upper pin hole (not marked) and a lower pin hole (not marked) are formed in the plate ring type tension gauge 208, 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. When the plate ring type tension gauge 208 is vertically stretched, the hoisting load data can be monitored in real time and transmitted remotely.
Referring also to fig. 3, the first mounting assembly 202 includes a lifting beam 204 disposed on the boom 200 and bolts 206 disposed on two 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 provided with a sealing surface in a pressing and sealing manner with the flange surface of the pressure vessel. The first hoist cover 400 is provided with bolt holes (not shown) corresponding to the bolts 206, and the bolts 206 may be correspondingly coupled to the bolt holes by screw coupling.
A pin hole (not marked) is arranged in the middle of the lifting beam 204, a pin hole (not marked) is correspondingly arranged at the lower end of the lifting rod 200, and the lifting beam 204 is connected with the lifting rod 200 through a cylindrical pin. In the embodiment shown in fig. 3, three through holes are respectively formed on two sides of the lifting beam 204, three bolt holes perpendicular to the direction of the main lifting beam 10 are correspondingly formed on two sides of the first lifting cover 400, and when the lifting beam 204 is placed on the first lifting cover 400, three bolts 206 can be used on one side to connect the reactor pressure vessel flange and the first lifting cover 400 to the lifting beam 204. The hanger bar 200 is also connected to the main hanger beam 10 by a plate ring type tension gauge 208, and the plate ring type tension gauge 208 is arranged in the same manner as the plate ring type tension gauge 208 connecting the height adjusting assembly 300 and the main hanger beam 10.
Referring to fig. 4, the second mounting assembly 308 is a third double-layer lifting lug provided at the bottom end of the height-adjusting assembly 300, a second lifting cover 500 is provided at the top of the steam generator 50, a single-layer lifting lug 502 is provided 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 coupled to the main pump, the main pump may also be provided with a structure similar to the second lifting cap 500, the single-layered lifting lug 502 of the steam generator 50.
When the reactor main equipment is lifted, after the lifting appliance is connected with the reactor main equipment, the bottom surface is slightly lifted, after the three-point lifting load and the levelness parameter of the key equipment reference surface are recorded, the lifting appliance releases the reactor main equipment to the lifting rack, and the length of the adjustable pull rod below the main lifting beam 10 is adjusted so as to meet the requirement of the lifting levelness of the reactor main equipment. And slightly hoisting away from the bottom surface again, and re-measuring the key levelness of the equipment and the hoisting load at three points, and hoisting normally after meeting the requirements.
As can be seen from the above detailed description of the embodiments of the present invention, the reactor main equipment lifting tool of the present invention has the following advantages over the prior art: the middle part of main hanging beam 10 is equipped with first hoist mechanism 20, first hoist mechanism 20 includes jib 200 and connects the first installation component 202 of main hanging beam 10 through jib 200, first installation component 202 is used for dismantling with the top of pressure vessel 40 and is connected, a plurality of second hoist mechanism 30 symmetric distributions are in first hoist mechanism 20 both sides, second hoist mechanism 30 is including the second installation component 308 of heightening subassembly 300 and detachable connection steam generator 50 or main pump top, through the height of adjusting heightening subassembly 300, the hoist and mount height of second hoist mechanism 30 can be adjusted, satisfy the requirement of reactor main equipment hoist and mount levelness.
The present invention is also capable of suitable alterations and modifications in the above-described embodiments, in light of the above principles. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present invention in any way.
Claims (9)
1. A reactor main equipment lifting tool, comprising:
the device comprises a main hanging beam, wherein a first hanging mechanism is arranged in the middle of the main hanging beam, the first hanging mechanism comprises a hanging rod and a first installation component, the first installation component comprises a hanging beam arranged on the hanging rod and bolts arranged on two sides of the hanging beam, the first installation component is connected with the main hanging beam through the hanging rod, and the first installation component is used for being detachably connected with the top of a pressure container; and
the second lifting mechanisms are symmetrically distributed on two sides of the first lifting mechanism, each second lifting mechanism comprises a height adjusting component and a second installation component, each second installation component is connected with the main lifting beam through the corresponding height adjusting component, the height adjusting components are used for adjusting the height of the corresponding second installation components, and the second installation components are used for being detachably connected with the top of the steam generator or the main pump.
2. The reactor main equipment lifting tool according to claim 1, wherein a first lifting cover is provided on the top of the pressure vessel, the first lifting cover is provided with a bolt hole corresponding to the bolt, and the bolt is connected in the bolt hole.
3. The reactor main plant lifting tool of claim 1, wherein the boom is connected to the main lifting beam by a plate and ring type tension gauge.
4. The reactor main equipment lifting 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.
5. The reactor main equipment lifting tool of claim 4, wherein the adjustable tie rod is connected to the main lifting beam by a plate and ring type tension gauge.
6. The reactor main equipment lifting tool according to claim 5, wherein a first double-layer lifting lug is arranged at the lower edge of the main lifting beam, a second double-layer lifting lug is arranged at the top end of the adjustable pull rod, an upper pin hole and a lower pin hole are formed in the plate ring type tension gauge, 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.
7. The reactor main equipment lifting tool of claim 1, wherein the second mounting assembly is a third double-layer lifting lug disposed at the bottom end of the height-adjusting assembly.
8. The reactor main equipment lifting tool according to claim 7, wherein a second lifting cover is arranged at the top of the steam generator or the main pump, a single-layer lifting lug is arranged on the second lifting cover, and the single-layer lifting lug is connected with the third double-layer lifting lug through a pin.
9. The reactor main plant lifting tool of any one of claims 1 to 8, wherein the main lifting beam comprises a lifting point distribution member and a cross beam, the cross beam being connected to the lifting point distribution member 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 CN114044432A (en) | 2022-02-15 |
| CN114044432B true 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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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 |
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| Publication number | Publication date |
|---|---|
| CN114044432A (en) | 2022-02-15 |
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