CN104340843A - Reactor core hoisting tool - Google Patents
Reactor core hoisting tool Download PDFInfo
- Publication number
- CN104340843A CN104340843A CN201410444655.8A CN201410444655A CN104340843A CN 104340843 A CN104340843 A CN 104340843A CN 201410444655 A CN201410444655 A CN 201410444655A CN 104340843 A CN104340843 A CN 104340843A
- Authority
- CN
- China
- Prior art keywords
- reactor core
- crossbeams
- crossbeam
- hole
- lifting device
- 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.)
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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
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- 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
-
- 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
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Mechanical Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a reactor core hoisting special tool applicable to small critical or a subcritical experimental devices. The reactor core hoisting special tool mainly comprises a pull rod, a cross beam and a hoisting device which are connected with one another by use of bolts and nuts. The reactor core hoisting special tool is simple in structure, practicable in function, convenient to operate, safe, reliable, and easy to fold and demount.
Description
Technical field
The invention belongs to lifting device field, relate to the lifting operation of object, the particularly lifting of reactor core in core field.
Background technology
In the small-sized critical experiment device or subcritical experiment device of core industry, reactor core generally integrally when designing, is installed to facilitate and is changed.But because reactor core weight is relatively large, it is very not convenient directly to carry out installing and draw off with hand.In the reactor core of experimental installation, load fuel element simultaneously and after operation, if direct hand draws off reactor core again, then may pollute.Therefore, the reactor core of small-sized critical or subcritical experiment device is in installation and draw off and be necessary to adopt special lifting device to operate, but on pertinent literature, not yet sees the report about this type of lifting device at present.The lifting device adopted in present core industry is more, but is mainly used in the lifting of large-scale workpiece, the structure relative complex of lifting device, and volume and weight is also comparatively large, is not suitable for the lifting operation of reactor core in small-sized critical or subcritical assembly.In view of above-mentioned defect, creator of the present invention obtains this creation finally through long research and practice.
Summary of the invention
The object of the invention is to, a kind of reactor core lifting device is provided, in order to overcome above-mentioned technological deficiency.
For achieving the above object, patent of the present invention provides simple, easy to operate, the folding lifting device of a kind of structure for the installation of reactor core in small-sized critical or subcritical assembly and draws off operation.The invention provides following technical scheme;
A kind of reactor core lifting device is provided, comprise: a pull bar, two crossbeams, two jam nuts, a through hole is respectively provided with in the middle part of described two crossbeams, described pull bar lower end is provided with outside thread, described pull bar is connected with another jam nut described with the through hole at the middle part of two crossbeams by a described jam nut, and the two ends of described two crossbeams are respectively provided with a hanging apparatus;
Described hanging apparatus is used for being combined, to complete lifting operation with lifting object;
Can realize fast speed installation and removal between described pull bar and crossbeam, the angle between described crossbeam can adjust better to realize operation;
Preferably, entablatrance upper surface in two described crossbeams and the lower surface two ends of cross sill are respectively provided with a pair hangers, described hangers and miscellaneous part coordinate and are connected with described hanging apparatus for reality, and a pair described hangers is provided with two mutually corresponding through holes;
Described crossbeam two ends are respectively provided with a crossbeam open slot, and described open slot is placed between described hangers;
Described hanging apparatus upper end is provided with a through hole, and described hanging apparatus realizes connecting with described a pair corresponding hangers by bolt, nut.
Can fold between described hanging apparatus and crossbeam, dismantle to reduce storage space;
Preferably, described hanging apparatus comprises: a pipe link, a coupling nut, wherein:
Described cylinder lever connecting rod lower end is provided with a boss, and described pipe link upper end is spacing to it through the boss of described coupling nut also by described;
Described cylinder lever connecting rod upper end is provided with a through hole, is connected with described crossbeam by bolt, nut.
Described coupling nut can change according to by the bolt that the object that lifts is preset, to realize the connection between lifting device and lifting object.
Beneficial effect of the present invention is compared with the prior art: lifting device provided by the invention can be applicable to the lifting of the reactor core in small-sized critical experiment device or subcritical experiment device targetedly, and structure simple, easy to operate, safe and reliable, be easy to folding and dismounting.
Accompanying drawing explanation
Fig. 1 reactor core lifting device of the present invention structural representation;
Fig. 2 pull bar and crossbeam junction assembled sectional view;
Fig. 3 pipe link and coupling nut and crossbeam junction assembled sectional view;
Fig. 4 beam structure schematic diagram;
Fig. 5 coupling nut's cutaway view.
Detailed description of the invention
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the present invention.
Embodiment one
See Fig. 1, Fig. 1 is reactor core lifting device structural representation of the present invention, reactor core lifting device comprises: pull bar 1, two jam nuts 2, crossbeam 3, composition graphs 2, Fig. 2 is pull bar and crossbeam junction assembled sectional view, and as shown in the figure: the upper end of pull bar 1 is provided with a draw ring 11, it is connected with the engine installation of peripheral hardware and realizes lifting operation, the centre of the lower end of pull bar 1 being preset thread end 13, two crossbeams 3 is provided with crossbeam through hole 34; The thread end 13 that the lower end of pull bar 1 is preset, through after the crossbeam through hole 34 of two crossbeams 3, adopts two lock bolts 2 two crossbeams 3 and pull bar 1 to be fixed; Two crossbeam 3 arranged crosswise, the angle between crossbeam 3 can realize freely adjusting and locking by regulating two lock bolts 2, and crossbeam 3 two ends are respectively provided with a hanging apparatus, treats hoisting object for lifting; When hanging apparatus is after being combined until hoisting object, pull bar 1 is pulled to realize lifting operation.
Embodiment two
Embodiment two is the remodeling of embodiment one, its difference is, the connection structure of crossbeam 3 and hanging apparatus, reactor core lifting device as shown in embodiment one, see Fig. 3 and composition graphs 4, Fig. 3 is pipe link and coupling nut and crossbeam junction assembled sectional view, Fig. 4 is beam structure schematic diagram, crossbeam 3 two ends are respectively provided with a crossbeam open slot 32, and crossbeam open slot 32 both sides are respectively provided with two symmetrical hangers 31; Two symmetrical hangers 31 are respectively provided with the through hole 33 of a symmetry, when two crossbeams 3 are connected by two jam nuts 2 with pull bar 1, two crossbeams are oppositely installed the hangers direction making crossbeam two ends contrary, so that two crossbeams can realize overlap, reduce storage area; The upper end of pipe link 6 is provided with a connecting through hole 61, and pipe link through hole 61 coordinates with hangers through hole 33, and adopt bolt 5 to be connected with nut 4, pipe link 6 can rotate around bolt 5.Connect can realize the dismounting, folding of reactor core lifting device by fast speed by bolt and nut, facilitate the maintenance of equipment, be stored in transport.
Embodiment three
Embodiment three is the improvement on embodiment two basis, its difference is, hanging apparatus and the joint portion for the treatment of hoisting object, as the reactor core lifting device that embodiment two is shown, see Fig. 5, Fig. 5 is coupling nut's cutaway view, and this coupling nut is used for realizing and being combined by hoisting object, to realize lifting operation; As shown in the figure, coupling nut's inner upper end is provided with stair-stepping boss, for bearing the application force that lifting device produces when operation; And composition graphs 3, Fig. 3 is pipe link and coupling nut and crossbeam junction assembled sectional view, and as shown in the figure, pipe link 6 lower end is provided with a boss 62, pipe link 6 is through the coupling nut's through hole 71 on coupling nut 7, and coupling nut 7 realizes spacing by the effect of the boss 62 on pipe link 6;
When lifting device operation, according to bolt position reserved on reactor core, adjust the angle between crossbeam 3, then the bolt that coupling nut 7 is corresponding on reactor core is connected, and adjusted by the degree of depth screwed between bolt with coupling nut 7 and be connected the degree of depth, to sling pull bar, just can realize the object lifting reactor core.
Coupling nut 7 can change according to the external diameter being reserved in bolt on reactor core the coupling nut corresponded, for the reactor core that lifting is different.
The foregoing is only preferred embodiment of the present invention, only have illustrative for the purpose of the present invention, and non-limiting.Those skilled in the art is understood according to it, the change can carried out it in the spirit and scope that the claims in the present invention limit, amendment, and even equivalence, all will fall within the scope of protection of the present invention.
Claims (3)
1. a reactor core lifting device, comprising: a pull bar, two crossbeams, two jam nuts, is characterized in that,
A through hole is respectively provided with in the middle part of two described crossbeams, described pull bar lower end is provided with outside thread, described pull bar is connected with another jam nut described with the through hole in the middle part of two crossbeams by a described jam nut, and the two ends of described two crossbeams are respectively provided with a hanging apparatus.
2. reactor core lifting device as claimed in claim 1, is characterized in that,
Entablatrance upper surface in two described crossbeams and the lower surface two ends of cross sill are respectively provided with the hangers of a pair symmetry, and the hangers of described symmetry is provided with mutually corresponding two through hole;
Two described crossbeam two ends are respectively provided with a crossbeam open slot, and described open slot is placed between described hangers;
Described hanging apparatus upper end is provided with a through hole, and described hanging apparatus realizes connecting with described a pair corresponding hangers by bolt, nut.
3. reactor core lifting device as claimed in claim 2, it is characterized in that, described hanging apparatus comprises: a pipe link, a coupling nut, wherein:
Described cylinder lever connecting rod lower end is provided with a boss, and described small end passes described coupling nut and carries out spacing by described boss to it;
Described cylinder lever connecting rod upper end is provided with a through hole, is connected with described crossbeam one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410444655.8A CN104340843B (en) | 2014-09-03 | 2014-09-03 | Reactor core hoisting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410444655.8A CN104340843B (en) | 2014-09-03 | 2014-09-03 | Reactor core hoisting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104340843A true CN104340843A (en) | 2015-02-11 |
| CN104340843B CN104340843B (en) | 2017-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410444655.8A Active CN104340843B (en) | 2014-09-03 | 2014-09-03 | Reactor core hoisting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104340843B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320719A (en) * | 2016-09-09 | 2017-01-11 | 中国核工业二三建设有限公司 | Aligning and leveling method for metal reactor core shell of nuclear power plant |
| CN106320720A (en) * | 2016-09-09 | 2017-01-11 | 中国核工业二三建设有限公司 | Aligning and leveling device for pressure vessel drum and steam generator of nuclear power plant |
| CN106320721A (en) * | 2016-09-09 | 2017-01-11 | 中国核工业二三建设有限公司 | Aligning and leveling device for metal reactor core shell of nuclear power plant |
| CN106744252A (en) * | 2017-03-27 | 2017-05-31 | 江苏中车电机有限公司 | For MW grades of rotor of direct-drive permanent magnet wind driven generator hoisting tooling and application method |
| CN113942924A (en) * | 2021-10-15 | 2022-01-18 | 中铁上海工程局集团第五工程有限公司 | Circulation steel reinforcement cage hoist |
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| CN2073408U (en) * | 1990-10-22 | 1991-03-20 | 中国人民解放军59997部队 | Lift apparatus with four barrels |
| CN101633478A (en) * | 2008-07-23 | 2010-01-27 | 中国科学院自动化研究所 | Cable traction automatic leveling hanger and method thereof |
| CN201817191U (en) * | 2010-04-16 | 2011-05-04 | 江苏长征风力发电设备有限公司 | Special-purpose hoisting tool for yawing gear case of direct-drive permanent magnet wind driven generator |
| CN102211732A (en) * | 2011-05-12 | 2011-10-12 | 西安航天动力机械厂 | Conical piece hoisting device |
| CN202122444U (en) * | 2011-03-22 | 2012-01-25 | 浙江工商职业技术学院 | Multifunctional clothes hanger |
| CN102755075A (en) * | 2011-04-27 | 2012-10-31 | 苏州市张麟纺织品有限公司 | Crossed clothes hanger |
| CN103359607A (en) * | 2012-03-28 | 2013-10-23 | 天津振汉机械装备有限公司 | Lifting tool of ball constructional element |
| CN203345925U (en) * | 2013-07-10 | 2013-12-18 | 洛阳中创重型机械有限公司 | Lifting tool for heat treatment of large parts |
| CN203451054U (en) * | 2013-09-18 | 2014-02-26 | 南通东方科技有限公司 | Hoisting fixture for large-scale circular ring part |
| CN103950832A (en) * | 2014-05-16 | 2014-07-30 | 江苏新业重工股份有限公司 | Novel three-jaw apparatus for vertical mill roller |
| CN204198226U (en) * | 2014-09-03 | 2015-03-11 | 中国原子能科学研究院 | A kind of reactor core lifting device |
-
2014
- 2014-09-03 CN CN201410444655.8A patent/CN104340843B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2073408U (en) * | 1990-10-22 | 1991-03-20 | 中国人民解放军59997部队 | Lift apparatus with four barrels |
| CN101633478A (en) * | 2008-07-23 | 2010-01-27 | 中国科学院自动化研究所 | Cable traction automatic leveling hanger and method thereof |
| CN201817191U (en) * | 2010-04-16 | 2011-05-04 | 江苏长征风力发电设备有限公司 | Special-purpose hoisting tool for yawing gear case of direct-drive permanent magnet wind driven generator |
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| CN102755075A (en) * | 2011-04-27 | 2012-10-31 | 苏州市张麟纺织品有限公司 | Crossed clothes hanger |
| CN102211732A (en) * | 2011-05-12 | 2011-10-12 | 西安航天动力机械厂 | Conical piece hoisting device |
| CN103359607A (en) * | 2012-03-28 | 2013-10-23 | 天津振汉机械装备有限公司 | Lifting tool of ball constructional element |
| CN203345925U (en) * | 2013-07-10 | 2013-12-18 | 洛阳中创重型机械有限公司 | Lifting tool for heat treatment of large parts |
| CN203451054U (en) * | 2013-09-18 | 2014-02-26 | 南通东方科技有限公司 | Hoisting fixture for large-scale circular ring part |
| CN103950832A (en) * | 2014-05-16 | 2014-07-30 | 江苏新业重工股份有限公司 | Novel three-jaw apparatus for vertical mill roller |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320719A (en) * | 2016-09-09 | 2017-01-11 | 中国核工业二三建设有限公司 | Aligning and leveling method for metal reactor core shell of nuclear power plant |
| CN106320720A (en) * | 2016-09-09 | 2017-01-11 | 中国核工业二三建设有限公司 | Aligning and leveling device for pressure vessel drum and steam generator of nuclear power plant |
| CN106320721A (en) * | 2016-09-09 | 2017-01-11 | 中国核工业二三建设有限公司 | Aligning and leveling device for metal reactor core shell of nuclear power plant |
| CN106320721B (en) * | 2016-09-09 | 2023-10-20 | 中国核工业二三建设有限公司 | Alignment and leveling device for metal reactor core shell of nuclear power station |
| CN106320720B (en) * | 2016-09-09 | 2023-12-15 | 中国核工业二三建设有限公司 | Alignment and leveling device for cylinder body and steam generator of pressure vessel of nuclear power station |
| CN106744252A (en) * | 2017-03-27 | 2017-05-31 | 江苏中车电机有限公司 | For MW grades of rotor of direct-drive permanent magnet wind driven generator hoisting tooling and application method |
| CN113942924A (en) * | 2021-10-15 | 2022-01-18 | 中铁上海工程局集团第五工程有限公司 | Circulation steel reinforcement cage hoist |
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| Publication number | Publication date |
|---|---|
| CN104340843B (en) | 2017-02-01 |
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