CN103474112A - Reactor internal hoisting tool - Google Patents
Reactor internal hoisting tool Download PDFInfo
- Publication number
- CN103474112A CN103474112A CN2012101873398A CN201210187339A CN103474112A CN 103474112 A CN103474112 A CN 103474112A CN 2012101873398 A CN2012101873398 A CN 2012101873398A CN 201210187339 A CN201210187339 A CN 201210187339A CN 103474112 A CN103474112 A CN 103474112A
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- travel
- ing rest
- support guide
- movable support
- gripping apparatus
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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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Abstract
The invention belongs to nuclear reactor internal hoisting equipment and particularly relates to a reactor internal hoisting tool. A lifting ring is respectively connected with connecting flanges through three connecting rods which are evenly disposed on the lower end of the lifting ring, and the connecting flanges are disposed on cylinder walls of three movable support guide cylinders in the vertical direction. Each movable support guide cylinder is provided with a hollow movable support guide rod which penetrates through the movable support guide cylinder. The upper end of each movable support guide rod is located outside the movable support guide cylinder. Each operating rod is composed of an external sleeve and an internal core bar. The upper end portion of each movable support guide rod is connected with the external sleeve of one operating rod. The internal core bar of each operating bar penetrates through the movable support guide rod and is connected with one petaling reactor internal hoisting head. Movable supports are respectively disposed on three movable support guide cylinders. Six sets of measuring assembly gripping apparatus are installed on the lower portions of the movable supports. The reactor internal hoisting tool controls the measuring assembly gripping apparatus to grab or release measuring assemblies through air cylinders, and controls the reactor internal hoisting heads to grab or release reactor internals through the operating rods.
Description
Technical field
The invention belongs to nuclear reactor in-pile component hanging device, be specifically related to a kind of reactor core internals lifting device.
Background technology
Reactor top in-pile component is the important structure part in reactor core, when reactor is newly piled installation and reload maintenance, need to be installed it, disassembling section, owing to being operated under strong radiation environment, and installation accuracy is high, the reasons such as operation-interface is special, need to use special-purpose top in-pile component hanging device.This equipment is a kind of suspender of particular design, has the structure adapted with specific reactor, can with the top in-pile component, be connected accurately, to its installed, the operations such as dismounting, handling.
The suspender for the top in-pile component that current in-service pressurized water type reactor is used when refueling outage is comprised of suspension rod, operating platform, control lever, supporting component, hanging component.Each parts are and are rigidly connected, and suspension rod is connected with crane, and supporting component is main bearing support part, and operating platform is arranged on supporting component, and staff's operating space is provided.Control lever, for the rotary hoisting assembly, makes it be connected with the lifting Interface realization of top in-pile component.
When the reactor top in-pile component of modular rickle is dismantled, the active section of In-core Instrumentation assembly all need to be promoted in the guide pipe of top in-pile component, in-pile component and one lifting of In-core Instrumentation assembly be walked simultaneously.But the above-mentioned suspender for the pressurized water type reactor can't be realized this function, therefore need a kind of reactor core internals lifting device that is applicable to the modular rickle of development.
Summary of the invention
The object of the present invention is to provide a kind of reactor core internals lifting device that is applicable to the modular rickle.
For achieving the above object, the technical solution used in the present invention is:
A kind of reactor core internals lifting device, this lifting device comprises suspension ring, control lever, travel(l)ing rest guide pole, travel(l)ing rest guide cylinder, In-core Instrumentation assembly gripping apparatus, in-pile component hoisting head and travel(l)ing rest; Described suspension ring are connected with the joint flange on the travel(l)ing rest guide cylinder barrel of three vertical directions respectively by uniform three connecting rods in its lower end, in each travel(l)ing rest guide cylinder, all have the travel(l)ing rest guide pole of a hollow to pass, the upper end of travel(l)ing rest guide pole is positioned at the outside of travel(l)ing rest guide cylinder; Control lever is comprised of outer sleeve and inner core bar, and the upper end of every travel(l)ing rest guide pole all is connected with the outer sleeve of a control lever, and the inside core bar of control lever is connected with petal in-pile component hoisting head through the travel(l)ing rest guide pole; Travel(l)ing rest is arranged on three travel(l)ing rest guide cylinders, and six groups of In-core Instrumentation assembly gripping apparatus are arranged on the travel(l)ing rest bottom.
In the middle of described travel(l)ing rest, be circular, edge is triangle, and leg-of-mutton three angles are arranged on three travel(l)ing rest guide cylinders.
Uniform four guide pin bushings and two cylinders of being equipped with on circle in the middle of described travel(l)ing rest, web joint is connected with cylinder through guide pin bushing; The upper end of six groups of In-core Instrumentation assembly gripping apparatus is connected with web joint through travel(l)ing rest.
Described In-core Instrumentation assembly gripping apparatus comprises contiguous block, Compress Spring, mounting base, outer sleeve, pushing block, compacting ring, holddown spring and orienting lug; Contiguous block is positioned at the upper end of In-core Instrumentation assembly gripping apparatus, with web joint, is connected; Mounting base is turbination, in the middle of taper surface, is evenly equipped with three vertical pilot holes, and the pilot hole diameter increases progressively from top to bottom, and the pilot hole inside surface is inclined-plane; Mounting base is arranged on travel(l)ing rest, and outer sleeve inside surface bottom is taper, is sleeved between mounting base and travel(l)ing rest; The lower end of contiguous block is equipped with a pushing block, and the pushing block lower end is boss; Columniform orienting lug is arranged between pushing block and mounting base, is evenly equipped with three vertical stepped through holes on it, and three compacting rings are arranged on respectively on three through holes of orienting lug; Be evenly equipped with the holddown spring of several bending-likes on each compacting ring, holddown spring is corresponding with the boss of pushing block lower end, and several Compress Springs are arranged between pushing block and orienting lug.
The obtained beneficial effect of the present invention is:
(1) reactor core internals lifting device of the present invention is controlled the crawl of In-core Instrumentation assembly gripping apparatus or discharges the In-core Instrumentation assembly by cylinder, control the crawl of in-pile component hoisting head or discharge in-pile component by control lever, promote suspension ring after capturing firmly, lifting when realizing top in-pile component and In-core Instrumentation assembly;
(2) can realize well combing and the guiding of In-core Instrumentation assembly by the turbination mounting base of In-core Instrumentation assembly gripping apparatus; By pushing block, along moving of orienting lug, make holddown spring produce elastic deformation, and then realize firm crawl and release to the In-core Instrumentation assembly.
The accompanying drawing explanation
Fig. 1 is reactor core internals lifting device seized condition structural drawing of the present invention;
Fig. 2 is reactor core internals lifting device allocation and transportation structure graph of the present invention;
The moving rack structure figure that Fig. 3 is reactor core internals lifting device of the present invention;
The In-core Instrumentation assembly gripping apparatus structural drawing that Fig. 4 is reactor core internals lifting device of the present invention;
The In-core Instrumentation assembly gripping apparatus seized condition structural drawing that Fig. 5 is reactor core internals lifting device of the present invention;
The In-core Instrumentation assembly gripping apparatus release conditions structural drawing that Fig. 6 is reactor core internals lifting device of the present invention;
In figure: 1, suspension ring; 2, control lever; 3, travel(l)ing rest guide pole; 4, travel(l)ing rest guide cylinder; 5, In-core Instrumentation assembly gripping apparatus; 6, in-pile component hoisting head; 7, guide pin bushing; 8, travel(l)ing rest; 9, web joint; 10, cylinder; 11, contiguous block; 12, Compress Spring; 13, mounting base; 14, outer sleeve; 15, pushing block; 16, compacting ring; 17, holddown spring; 18, orienting lug; 19, In-core Instrumentation assembly.
Embodiment
As shown in Figure 1 and Figure 2, reactor core internals lifting device of the present invention comprises suspension ring 1, control lever 2, travel(l)ing rest guide pole 3, travel(l)ing rest guide cylinder 4, In-core Instrumentation assembly gripping apparatus 5, in-pile component hoisting head 6 and travel(l)ing rest 8; Described suspension ring 1 three piece connecting rods uniform by its lower end are connected with the joint flange on travel(l)ing rest guide cylinder 4 barrels of three vertical directions respectively, each travel(l)ing rest guide cylinder 4 is interior all has the travel(l)ing rest guide pole 3 of a hollow to pass, and the upper end of travel(l)ing rest guide pole 3 is positioned at the outside of travel(l)ing rest guide cylinder 4; Control lever 2 is comprised of outer sleeve and inner core bar, the upper end of every travel(l)ing rest guide pole 3 all is connected with the outer sleeve of a control lever 2, the inside core bar of control lever 2 is connected with petal in-pile component hoisting head 6 through travel(l)ing rest guide pole 3, can operate 6 rotations of in-pile component hoisting head by control lever 2, thereby block and deviate from the top in-pile component, realizing crawl and release to the top in-pile component.Travel(l)ing rest 8 is arranged on three travel(l)ing rest guide cylinders 4, and six groups of In-core Instrumentation assembly gripping apparatus 5 are arranged on the assigned address of travel(l)ing rest 8 bottoms, with the position of In-core Instrumentation assembly 19, adapts; When travel(l)ing rest guide cylinder 4 moves up and down along travel(l)ing rest guide pole 3, driving travel(l)ing rest 8 and In-core Instrumentation assembly gripping apparatus 5 moves up and down, thereby In-core Instrumentation assembly gripping apparatus 5 is entered and deviate from In-core Instrumentation assembly 19, after confirming that all In-core Instrumentation assemblies 19 have all been realized firmly capturing, outside crane promotes suspension ring 1, drive travel(l)ing rest guide cylinder 4 and In-core Instrumentation assembly gripping apparatus 5 and rise to Hoisting Position, continue to rise crane, until whole in-pile component is lifted, transport the appointment storage place to.
As shown in Figure 3, in the middle of travel(l)ing rest 8, be circular, edge is triangle, leg-of-mutton three angles are arranged on three travel(l)ing rest guide cylinders 4, uniform four guide pin bushings 7 and two cylinders 10 of being equipped with on circle in the middle of travel(l)ing rest 8, web joint 9 is connected with cylinder 10 through guide pin bushing 7, and guide pin bushing 7 provides guide effect for the motion of web joint 9 vertical directions; The upper end of six groups of In-core Instrumentation assembly gripping apparatus 5 is connected with web joint 9 through travel(l)ing rest 8, by the lifting of cylinder 10, and crawl and release when realizing six groups of In-core Instrumentation assembly gripping apparatus 5.
As shown in Fig. 4, Fig. 5, Fig. 6, In-core Instrumentation assembly gripping apparatus 5 comprises contiguous block 11, Compress Spring 12, mounting base 13, outer sleeve 14, pushing block 15, compacting ring 16, holddown spring 17 and orienting lug 18; Contiguous block 11 is positioned at the upper end of In-core Instrumentation assembly gripping apparatus 5, with web joint 9, is connected, for transmitting the action of cylinder 10; Mounting base 13 is turbination, be evenly equipped with three vertical pilot holes in the middle of taper surface, the pilot hole diameter increases progressively from top to bottom, the pilot hole inside surface is inclined-plane, with In-core Instrumentation assembly 19, be complementary, mounting base 13 is arranged on travel(l)ing rest 8, and outer sleeve 14 inside surface bottoms are taper, be sleeved between mounting base 13 and travel(l)ing rest 8, for In-core Instrumentation assembly 19 is led; The lower end of contiguous block 11 is equipped with a pushing block 15, and pushing block 15 lower ends are boss; Columniform orienting lug 18 is arranged between pushing block 15 and mounting base 13, is evenly equipped with three vertical stepped through holes on it, and three compacting rings 16 are arranged on respectively on three through holes of orienting lug 18, play the fixedly effect of pushing block 15; Be evenly equipped with the holddown spring 17 of several bending-likes on each compacting ring 16, holddown spring 17 is corresponding with the boss of pushing block 15 lower ends, plays the effect that captures In-core Instrumentation assembly 19.Several Compress Springs 12 are arranged between pushing block 15 and orienting lug 18, play the function of safety reset.
When In-core Instrumentation assembly gripping apparatus 5 descends, the epiconus of mounting base 13 enters the center gap place of three In-core Instrumentation assemblies 19, its combing is opened, and along with In-core Instrumentation assembly gripping apparatus 5 continues to descend, three In-core Instrumentation assemblies 19 enter the guide section of three vertical pilot holes successively.
During seized condition, cylinder 10 drives web joint 9 and moves upward, web joint 9 drives contiguous block 11 and pushing block 15 rises, pushing block 15 moves upward along orienting lug 18, the boss of its below promotes Shi Qi upper end, inclined-plane, the lower end dogleg section generation elastic deformation of holddown spring 17, makes the lower end pressing section be close to the outer wall of In-core Instrumentation assembly 19, and several holddown springs 17 uniform due to annular move simultaneously, therefore can clamp In-core Instrumentation assembly 19, realize the crawl to In-core Instrumentation assembly 19; During release conditions, cylinder 10 drives web joint 9 and moves downward, and web joint 9 drives contiguous block 11 and pushing block 15 descends, and pushing block 15 moves downward along orienting lug 18, holddown spring 17 moves back to initial position under self resilient force, and In-core Instrumentation assembly 19 is in release conditions.
Claims (4)
1. a reactor core internals lifting device, it is characterized in that: this lifting device comprises suspension ring (1), control lever (2), travel(l)ing rest guide pole (3), travel(l)ing rest guide cylinder (4), In-core Instrumentation assembly gripping apparatus (5), in-pile component hoisting head (6) and travel(l)ing rest (8); Described suspension ring (1) are connected with the joint flange on travel(l)ing rest guide cylinder (4) barrel of three vertical directions respectively by uniform three connecting rods in its lower end, in each travel(l)ing rest guide cylinder (4), all have the travel(l)ing rest guide pole (3) of a hollow to pass, the upper end of travel(l)ing rest guide pole (3) is positioned at the outside of travel(l)ing rest guide cylinder (4); Control lever (2) is comprised of outer sleeve and inner core bar, the upper end of every travel(l)ing rest guide pole (3) all is connected with the outer sleeve of a control lever (2), and the inside core bar of control lever (2) is connected with petal in-pile component hoisting head (6) through travel(l)ing rest guide pole (3); It is upper that travel(l)ing rest (8) is arranged on three travel(l)ing rest guide cylinders (4), and six groups of In-core Instrumentation assembly gripping apparatus (5) are arranged on travel(l)ing rest (8) bottom.
2. reactor core internals lifting device according to claim 1 is characterized in that: in the middle of described travel(l)ing rest (8), for circular, edge is triangle, and leg-of-mutton three angles are arranged on three travel(l)ing rest guide cylinders (4).
3. reactor core internals lifting device according to claim 2, it is characterized in that: uniform four guide pin bushings (7) and two cylinders (10) of being equipped with on the circle in the middle of described travel(l)ing rest (8), web joint (9) is connected with cylinder (10) through guide pin bushing (7); The upper end of six groups of In-core Instrumentation assembly gripping apparatus (5) is connected with web joint (9) through travel(l)ing rest (8).
4. reactor core internals lifting device according to claim 3, it is characterized in that: described In-core Instrumentation assembly gripping apparatus (5) comprises contiguous block (11), Compress Spring (12), mounting base (13), outer sleeve (14), pushing block (15), compacting ring (16), holddown spring (17) and orienting lug (18); Contiguous block (11) is positioned at the upper end of In-core Instrumentation assembly gripping apparatus (5), with web joint (9), is connected; Mounting base (13) is turbination, in the middle of taper surface, is evenly equipped with three vertical pilot holes, and the pilot hole diameter increases progressively from top to bottom, and the pilot hole inside surface is inclined-plane; It is upper that mounting base (13) is arranged on travel(l)ing rest (8), and outer sleeve (14) inside surface bottom is taper, is sleeved between mounting base (13) and travel(l)ing rest (8); The lower end of contiguous block (11) is equipped with a pushing block (15), and pushing block (15) lower end is boss; Columniform orienting lug (18) is arranged between pushing block (15) and mounting base (13), is evenly equipped with three vertical stepped through holes on it, and three compacting rings (16) are arranged on respectively on three through holes of orienting lug (18); Be evenly equipped with the holddown spring (17) of several bending-likes on each compacting ring (16), holddown spring (17) is corresponding with the boss of pushing block (15) lower end, and several Compress Springs (12) are arranged between pushing block (15) and orienting lug (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187339.8A CN103474112B (en) | 2012-06-08 | 2012-06-08 | Reactor core internals lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187339.8A CN103474112B (en) | 2012-06-08 | 2012-06-08 | Reactor core internals lifting device |
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| Publication Number | Publication Date |
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| CN103474112A true CN103474112A (en) | 2013-12-25 |
| CN103474112B CN103474112B (en) | 2016-05-18 |
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| CN201210187339.8A Active CN103474112B (en) | 2012-06-08 | 2012-06-08 | Reactor core internals lifting device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719711A (en) * | 2016-04-11 | 2016-06-29 | 上海核工程研究设计院 | Earthquake-resistant support structure for reactor internal lifting tools of pressurized water reactor nuclear power plants |
| CN106601316A (en) * | 2016-11-21 | 2017-04-26 | 中国核电工程有限公司 | Lifting cylinder operating structure |
| CN106782712A (en) * | 2017-01-05 | 2017-05-31 | 上海核工程研究设计院 | A kind of PWR nuclear power plant in-pile component suspender bearing structure |
| CN107767976A (en) * | 2017-10-17 | 2018-03-06 | 中国核动力研究设计院 | A kind of detector assembly removes technique and its special dismounting equipment |
| CN107887044A (en) * | 2017-10-27 | 2018-04-06 | 三门核电有限公司 | A kind of reactor bottom in-pile component underwater centralising device at a distance |
| CN108231219A (en) * | 2017-12-29 | 2018-06-29 | 安徽中科超安科技有限公司 | Nuclear power is precious with long-range dismantlement of overlength sleeve and hoist and mount integrated device |
| CN109243647A (en) * | 2018-10-18 | 2019-01-18 | 上海第机床厂有限公司 | The fixation device of reactor upper-part in-reactor component |
| CN109949954A (en) * | 2019-04-12 | 2019-06-28 | 中国核动力研究设计院 | A kind of long-range gripping apparatus of irradiation monitoring pipe |
| CN110459335A (en) * | 2019-08-29 | 2019-11-15 | 福建福清核电有限公司 | Reactor core internals lift pneumatic guiding device and its assembling application method |
| CN111724923A (en) * | 2020-06-23 | 2020-09-29 | 中国原子能科学研究院 | Support system, support device and reactor refueling method |
| CN114382829A (en) * | 2022-01-10 | 2022-04-22 | 中广核工程有限公司 | Instrument guide assembly compresses tightly damping mechanism |
| CN115502707A (en) * | 2022-09-13 | 2022-12-23 | 成都信息工程大学 | Reactor core detector dismantling device and method |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105719711A (en) * | 2016-04-11 | 2016-06-29 | 上海核工程研究设计院 | Earthquake-resistant support structure for reactor internal lifting tools of pressurized water reactor nuclear power plants |
| CN106601316A (en) * | 2016-11-21 | 2017-04-26 | 中国核电工程有限公司 | Lifting cylinder operating structure |
| CN106601316B (en) * | 2016-11-21 | 2020-09-04 | 中国核电工程有限公司 | Lifting cylinder operation structure |
| CN106782712A (en) * | 2017-01-05 | 2017-05-31 | 上海核工程研究设计院 | A kind of PWR nuclear power plant in-pile component suspender bearing structure |
| CN107767976B (en) * | 2017-10-17 | 2019-07-02 | 中国核动力研究设计院 | A kind of detector assembly dismounting technique and its dedicated dismounting equipment |
| CN107767976A (en) * | 2017-10-17 | 2018-03-06 | 中国核动力研究设计院 | A kind of detector assembly removes technique and its special dismounting equipment |
| CN107887044A (en) * | 2017-10-27 | 2018-04-06 | 三门核电有限公司 | A kind of reactor bottom in-pile component underwater centralising device at a distance |
| CN107887044B (en) * | 2017-10-27 | 2019-07-19 | 三门核电有限公司 | A kind of reactor lower part in-pile component underwater centralising device at a distance |
| CN108231219A (en) * | 2017-12-29 | 2018-06-29 | 安徽中科超安科技有限公司 | Nuclear power is precious with long-range dismantlement of overlength sleeve and hoist and mount integrated device |
| CN109243647A (en) * | 2018-10-18 | 2019-01-18 | 上海第机床厂有限公司 | The fixation device of reactor upper-part in-reactor component |
| CN109243647B (en) * | 2018-10-18 | 2024-05-24 | 上海第一机床厂有限公司 | Fixing device for upper in-pile component of reactor |
| CN109949954A (en) * | 2019-04-12 | 2019-06-28 | 中国核动力研究设计院 | A kind of long-range gripping apparatus of irradiation monitoring pipe |
| CN109949954B (en) * | 2019-04-12 | 2022-03-25 | 中国核动力研究设计院 | Irradiation supervisory tube remote gripping apparatus |
| CN110459335A (en) * | 2019-08-29 | 2019-11-15 | 福建福清核电有限公司 | Reactor core internals lift pneumatic guiding device and its assembling application method |
| CN111724923A (en) * | 2020-06-23 | 2020-09-29 | 中国原子能科学研究院 | Support system, support device and reactor refueling method |
| CN111724923B (en) * | 2020-06-23 | 2022-10-28 | 中国原子能科学研究院 | Support system, support device and reactor refueling method |
| CN114382829A (en) * | 2022-01-10 | 2022-04-22 | 中广核工程有限公司 | Instrument guide assembly compresses tightly damping mechanism |
| CN114382829B (en) * | 2022-01-10 | 2023-07-04 | 中广核工程有限公司 | Instrument guide assembly compacting vibration reduction mechanism |
| CN115502707A (en) * | 2022-09-13 | 2022-12-23 | 成都信息工程大学 | Reactor core detector dismantling device and method |
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