CN202736506U - Reactor internal hoisting tool - Google Patents
Reactor internal hoisting tool Download PDFInfo
- Publication number
- CN202736506U CN202736506U CN2012202679333U CN201220267933U CN202736506U CN 202736506 U CN202736506 U CN 202736506U CN 2012202679333 U CN2012202679333 U CN 2012202679333U CN 201220267933 U CN201220267933 U CN 201220267933U CN 202736506 U CN202736506 U CN 202736506U
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- China
- Prior art keywords
- travel
- ing rest
- support guide
- movable support
- gripping apparatus
- 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.)
- Withdrawn - After Issue
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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 utility model 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 arranged on the lower end of the lifting ring, and the connecting flanges are arranged 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 arranged 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 utility model belongs to nuclear reactor in-pile component hanging device, is specifically related to a kind of reactor core internals lifting device.
Background technology
Reactor top in-pile component is the important structure part in the reactor core, when reactor is newly piled installation and reload maintenance, need to install it, disassembling section, owing under strong radiation environment, operate, 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 that adapts with specific reactor, can be connected with the top in-pile component accurately, to its install, the operations such as dismounting, handling.
Employed suspender for the top in-pile component is comprised of suspension rod, operating platform, control lever, supporting component, hanging component when using as a servant the pressurized water type reactor at refueling outage at present.Each parts is and is rigidly connected, and suspension rod is connected with crane, and supporting component is main bearing support spare, and operating platform is installed on the supporting component, and staff's operating space is provided.Control lever is used for the rotary hoisting assembly, and it is 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, simultaneously in-pile component and one lifting of In-core Instrumentation assembly be walked.But above-mentioned suspender for the pressurized water type reactor can't be realized this function, therefore needs a kind of reactor core internals lifting device that is applicable to the modular rickle of development.
Summary of the invention
The purpose of this utility model is to provide a kind of reactor core internals lifting device that is applicable to the modular rickle.
For achieving the above object, technical solution adopted in the utility model is:
A kind of reactor core internals lifting device, this lifting device comprise 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 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, all have the travel(l)ing rest guide pole of a hollow to pass in each travel(l)ing rest guide cylinder, 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 passes the travel(l)ing rest guide pole and is connected with petal in-pile component hoisting head; Travel(l)ing rest is installed on three travel(l)ing rest guide cylinders, and six groups of In-core Instrumentation assembly gripping apparatus are installed in the travel(l)ing rest bottom.
Be circular in the middle of the described travel(l)ing rest, the edge is triangle, and leg-of-mutton three angles are installed on three travel(l)ing rest guide cylinders.
Uniform four guide pin bushings and two cylinders of being equipped with on the circle in the middle of the described travel(l)ing rest, web joint passes guide pin bushing and is connected with cylinder; The upper end of six groups of In-core Instrumentation assembly gripping apparatus is passed travel(l)ing rest and is connected with web joint.
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, is connected with web joint; Mounting base is turbination, is evenly equipped with three vertical pilot holes in the middle of the taper surface, and the pilot hole diameter increases progressively from top to bottom, and the pilot hole inside surface is the inclined-plane; Mounting base is installed on the travel(l)ing rest, and outer sleeve inside surface bottom is taper, is sleeved between mounting base and the 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 installed between pushing block and the mounting base, is evenly equipped with three vertical stepped through holes on it, and three compacting rings are installed in 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 installed between pushing block and the orienting lug.
The obtained beneficial effect of the utility model is:
(1) reactor core internals lifting device described in the utility model is by the assembly gripping apparatus crawl of cylinder control In-core Instrumentation or release In-core Instrumentation assembly, by the hoisting head crawl of control lever control in-pile component or release in-pile component, after crawl firmly, promote suspension ring, 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; Make holddown spring produce elastic deformation by pushing block along moving of orienting lug, and then realize firm crawl and release to the In-core Instrumentation assembly.
Description of drawings
Fig. 1 is reactor core internals lifting device seized condition structural drawing described in the utility model;
Fig. 2 is reactor core internals lifting device allocation and transportation structure graph described in the utility model;
Fig. 3 is the moving rack structure figure of reactor core internals lifting device described in the utility model;
Fig. 4 is the In-core Instrumentation assembly gripping apparatus structural drawing of reactor core internals lifting device described in the utility model;
Fig. 5 is the In-core Instrumentation assembly gripping apparatus seized condition structural drawing of reactor core internals lifting device described in the utility model;
Fig. 6 is the In-core Instrumentation assembly gripping apparatus release conditions structural drawing of reactor core internals lifting device described in the utility model;
Among the 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 described in the utility model 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 joint flange on travel(l)ing rest guide cylinder 4 barrels of three vertical directions respectively by uniform three connecting rods in its lower end, each travel(l)ing rest guide cylinder 4 is interior all to have 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 passes travel(l)ing rest guide pole 3 and is connected with petal in-pile component hoisting head 6, can operate 6 rotations of in-pile component hoisting head by control lever 2, thereby block and deviate from the top in-pile component, realize crawl and release to the top in-pile component.Travel(l)ing rest 8 is installed on three travel(l)ing rest guide cylinders 4, and six groups of In-core Instrumentation assembly gripping apparatus 5 are installed in the assigned address of travel(l)ing rest 8 bottoms, adapts with the position of In-core Instrumentation assembly 19; 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 crawl, 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, be circular in the middle of the travel(l)ing rest 8, the edge is triangle, leg-of-mutton three angles are installed on three travel(l)ing rest guide cylinders 4, uniform four guide pin bushings 7 and two cylinders 10 of being equipped with on the circle in the middle of the travel(l)ing rest 8, web joint 9 passes guide pin bushing 7 and is connected with cylinder 10, 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 passed travel(l)ing rest 8 and is connected with web joint 9, by the lifting of cylinder 10, and crawl and discharging when realizing six groups of In-core Instrumentation assembly gripping apparatus 5.
Such as Fig. 4, Fig. 5, shown in Figure 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, is connected with web joint 9, is used for transmitting the action of cylinder 10; Mounting base 13 is turbination, be evenly equipped with three vertical pilot holes in the middle of the taper surface, the pilot hole diameter increases progressively from top to bottom, the pilot hole inside surface is the inclined-plane, be complementary with In-core Instrumentation assembly 19, mounting base 13 is installed on the travel(l)ing rest 8, and outer sleeve 14 inside surface bottoms are taper, be sleeved between mounting base 13 and the travel(l)ing rest 8, be used 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 installed between pushing block 15 and the mounting base 13, is evenly equipped with three vertical stepped through holes on it, and three compacting rings 16 are installed in 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 of crawl In-core Instrumentation assembly 19.Several Compress Springs 12 are installed between pushing block 15 and the 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 inclined-plane, lower end that the boss of its below promotes holddown spring 17 makes its upper end dogleg section generation elastic deformation, makes the lower end pressing section be close to the outer wall of In-core Instrumentation assembly 19, because several uniform holddown springs 17 of 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, In-core Instrumentation assembly 19 is in release conditions.
Claims (4)
1. 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 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, all have the travel(l)ing rest guide pole (3) of a hollow to pass in each travel(l)ing rest guide cylinder (4), 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) passes travel(l)ing rest guide pole (3) and is connected with petal in-pile component hoisting head (6); Travel(l)ing rest (8) is installed on three travel(l)ing rest guide cylinders (4), and six groups of In-core Instrumentation assembly gripping apparatus (5) are installed in travel(l)ing rest (8) bottom.
2. reactor core internals lifting device according to claim 1 is characterized in that: for circular, the edge is triangle in the middle of the described travel(l)ing rest (8), and leg-of-mutton three angles are installed 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 the described travel(l)ing rest (8), web joint (9) passes guide pin bushing (7) and is connected with cylinder (10); The upper end of six groups of In-core Instrumentation assembly gripping apparatus (5) is passed travel(l)ing rest (8) and is connected with web joint (9).
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), is connected with web joint (9); Mounting base (13) is turbination, is evenly equipped with three vertical pilot holes in the middle of the taper surface, and the pilot hole diameter increases progressively from top to bottom, and the pilot hole inside surface is the inclined-plane; Mounting base (13) is installed on the travel(l)ing rest (8), and outer sleeve (14) inside surface bottom is taper, is sleeved between mounting base (13) and the 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 installed between pushing block (15) and the mounting base (13), is evenly equipped with three vertical stepped through holes on it, and three compacting rings (16) are installed in 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 installed between pushing block (15) and the orienting lug (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202679333U CN202736506U (en) | 2012-06-08 | 2012-06-08 | Reactor internal hoisting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202679333U CN202736506U (en) | 2012-06-08 | 2012-06-08 | Reactor internal hoisting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202736506U true CN202736506U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202679333U Withdrawn - After Issue CN202736506U (en) | 2012-06-08 | 2012-06-08 | Reactor internal hoisting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202736506U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366844A (en) * | 2013-07-15 | 2013-10-23 | 中广核工程有限公司 | Nuclear power station upper-part in-reactor component mounting method |
| CN103474112A (en) * | 2012-06-08 | 2013-12-25 | 中国核动力研究设计院 | Reactor internal hoisting tool |
| 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 |
| 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 |
-
2012
- 2012-06-08 CN CN2012202679333U patent/CN202736506U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474112A (en) * | 2012-06-08 | 2013-12-25 | 中国核动力研究设计院 | Reactor internal hoisting tool |
| CN103474112B (en) * | 2012-06-08 | 2016-05-18 | 中国核动力研究设计院 | Reactor core internals lifting device |
| CN103366844A (en) * | 2013-07-15 | 2013-10-23 | 中广核工程有限公司 | Nuclear power station upper-part in-reactor component mounting method |
| CN103366844B (en) * | 2013-07-15 | 2016-04-20 | 中广核工程有限公司 | Nuclear power station upper-part in-reactor component installation method |
| 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 |
| 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 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20160518 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |