CN201886793U - Detachable maintaining support for reactor internals - Google Patents
Detachable maintaining support for reactor internals Download PDFInfo
- Publication number
- CN201886793U CN201886793U CN2010206498408U CN201020649840U CN201886793U CN 201886793 U CN201886793 U CN 201886793U CN 2010206498408 U CN2010206498408 U CN 2010206498408U CN 201020649840 U CN201020649840 U CN 201020649840U CN 201886793 U CN201886793 U CN 201886793U
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- China
- Prior art keywords
- support
- platform framework
- positioning component
- detachable
- positioning
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- Expired - Fee Related
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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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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model belongs to a maintenance tool for reactor internals of a nuclear power station, and particularly relates to an operating support used for maintenance of reactor internals of the nuclear power station. The support comprises a vertical rack and a platform frame which are fixedly connected through a second positioning component, and a first positioning component I is fixedly connected to the platform frame. The support has the advantages that (1) the whole support is convenient in installation, detachment, transport and use in different places, (2) the support is high in positioning adjustment precision and reliable and safe in positioning due to the fact that the components of the total support are positioned by the aid of positioning pins and locked by bolts while position precision of the components is adjusted by washers during connection, (3) since the support is in an H-shaped steel frame structure, the support has fine rigidity in stress direction, and is simple in integral structure and light in weight.
Description
Technical field
The utility model belongs to a kind of nuclear power station reactor inner member maintenance tool, the work trestle that uses when being specifically related to a kind of nuclear power station reactor inner member maintenance and repair.
Background technology
In-pile component maintenance and repair support be meant when water (boracic deionized water) is changed down irradiation monitoring pipe in the nuclear reactor as waterborne with under water between carry, the operation support platform of transmission maintenance of equipment.It is to carry out the critical component of nuclear power station when changing irradiation monitoring pipe under water.Because irradiation monitoring pipe is to be attached on the sidewall of hanging basket, the position approximately is in 3～15 meters under water, and nuclear fuel removes when supervising irradiation tube although change, and hanging basket and supervision irradiation tube are still stayed original submarine site, still residual have a residual radiation, is not easy to artificial entry operation.On the other hand, repair location and support production site are the strange land, and the support overall dimensions is bigger in addition, for the ease of transportation, preferably support are made split type.Therefore the work trestle that uses during nuclear power station reactor inner member maintenance and repair must possess following characteristics: be convenient to assembling, location, install, dismounting, adjust, and operation, transportation, easy to maintenance, safe and reliable.And the present supporting structure that does not also have to satisfy above-mentioned requirements.
Summary of the invention
The purpose of this utility model provide a kind of can be used in waterborne and under water between carry, transmit maintenance of equipment and be convenient to the detachable in-pile component maintenance and repair support that transports, assemble, install, locate, dismantle, debug, operate.
The utility model is achieved in that a kind of detachable in-pile component maintenance and repair support, and it comprises stand and platform framework, and is fixedly connected by positioning component II between stand and the platform framework, is fixedly connected with positioning component I on the platform framework.
The upper end of the junction between described stand and the platform framework is provided with adjusting pad, and the lower end is provided with down adjusts nut and following adjusting pad.
Described stand comprises crossbeam, joist steel, supplemental support, keeper, flat board, joist steel is positioned at dull and stereotyped both sides, it is middle and vertical with joist steel that crossbeam is welded on joist steel, contour between the plane of orientation of two keepers, parallel and vertical with flat board, auxiliary supports is welded on the outside of joist steel, is positioned at and the corresponding position of platform framework.
Described platform framework comprises main frame, main frame and upper reinforcing plate spare, lower reinforcing plate spare, on adjust support member, adjust support member welding fabrication respectively down, on the platform framework upside under locating surface and the side locating surface alternate position spike is arranged in the horizontal direction.
Described positioning component I is fixed on the platform framework by the mode of welding for being drilled with the block location structure of rack positioning hole.
Described positioning component II comprises locating piece, goes up locating surface, register pin and go up and adjust bolt, and an end of locating piece is welded with adjusts bolt, locating piece be provided with step, the bottom formation locating surface of step, register pin is vertically welded on the locating piece step.
The utility model has the advantages that (1) entire bracket is easy for installation and removal, be convenient to the strange land transportation and use; (2) owing between each parts of whole framework when connecting, adjust positional precision by register pin location, pad, and,, locate reliable and secure so the precision height is adjusted in the location with bolt locking; (3) because this support mainly uses is the joist steel framed structure, be subjected to good rigidly on the force direction, general structure is simple, and is in light weight.
Description of drawings
Fig. 1 is a kind of detachable in-pile component maintenance and repair support front view provided by the utility model.
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the stand front view;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the right view of Fig. 3;
Fig. 6 is the platform framework front view;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is a positioning component I synoptic diagram;
Fig. 9 is a positioning component II synoptic diagram.
Among the figure, 1 stand, 2 times adjusting pads, 3 platform frameworks, 4 positioning component I, adjust nut on 5,6 positioning component II, adjusting pad on 7 is adjusted nuts, 9 crossbeams 8 times, 10 joist steel, 11 supplemental support, 12 keepers, 13 flat boards, 14 main frames, adjust support member on 15, gathering sill on 16, locating surface on 17 sides, locating surface under 18 sides, 19 lower reinforcing plate spares, 20 times adjustment support members, 21 upper reinforcing plate spares, 22 locating pieces, 23 register pins are adjusted bolt, 26 locating surfaces, 27 rack positioning holes on 24.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in detail:
Describe a kind of structure and Installation and Debugging mode thereof of detachable in-pile component maintenance and repair support in detail below in conjunction with accompanying drawing.
Shown in Fig. 1-5, it mainly comprises the work trestle that the utility model uses when being a kind of nuclear power station reactor inner member maintenance and repair: stand 1, down adjusting pad 2, platform framework 3, positioning component I4, on adjust nut 5, positioning component II6, go up adjusting pad 7, adjust nut 8 down.
Wherein, stand 1 comprises crossbeam 9, joist steel 10, supplemental support 11, keeper 12, dull and stereotyped 13, joist steel 10 is positioned at dull and stereotyped 13 both sides, it is middle and vertical with joist steel 10 that crossbeam 9 is welded on joist steel 10, contour, parallel and vertical between the plane of orientation 22 of two keepers 12 with dull and stereotyped 13, auxiliary supports 11 is welded on the outside of joist steel 10, is positioned at and platform framework 3 corresponding positions.Register pin 23 among the stand 1 main positioning component II6 upwards inserts from the last gathering sill 16 of platform framework 3, not only to make these four points in same plane after four back-up blocks of positioning component I4 and platform framework 3 welding, but also will guarantee that afterwards the last locating surface of positioning component II6 is parallel with inserting platform framework 3 for plane that these four points constitute.
Wherein, platform framework 3 structures comprise: square main frame 14, on adjust support member 15, go up gathering sill 16, locating surface 18 under locating surface 17, the side on the side, lower reinforcing plate spare 19, adjust support member 20, upper reinforcing plate spare 21 down, wherein, main frame 14 and upper reinforcing plate spare 21, lower reinforcing plate spare 19, on adjust support member 15, adjust support member 20 welding fabrications respectively down, on platform framework 3 upsides under locating surface 17 and the side locating surface 18 alternate position spike is arranged in the horizontal direction.
By behind 23 location of the register pin on the positioning component II6, use down the adjustment nut the two is fastenedly connected between stand 1 and the platform framework 3.
As shown in Figure 8, the structure of positioning component I4 is for being drilled with rack positioning hole 27 block location structures, and positioning component I4 has four, is fixed on the platform framework 3 by the mode of welding.When positioning component I4 and platform framework 3 welding fabrications, need to guarantee among plane 4 that four points of positioning component I4 are constituted and the positioning component II6 that plane of orientations are parallel on two, need guarantee that simultaneously the support plane of orientation is vertical with guide rail in the stand
As shown in Figure 9, positioning component II6 comprises locating piece 23, last locating surface 22, register pin 24 and goes up and adjust bolt 25, bolt 25 is upward adjusted in having of the one end welding of locating piece 23, other end top at locating piece 23 processes step, the height that makes step is greater than thick 2 times of the average leg of joist steel at gathering sill 16 places on the platform framework 3, locating surface 22 is formed at the bottom of step, and register pin 24 is vertically welded on locating piece 23 steps.Positioning component II6 is contained in the last gathering sill 16 of platform framework 3, on adjust bolt 25 and insert and go up in the hole of adjusting support member 15, can make locating piece 23 do the front and back position adjustment when adjusting the nut 5 on the bolt 15 in the turn.Last adjusting pad 7 in stand 1 keeper 12 and insert between the positioning component II6 in the platform framework 3, adjusting pad 7 thickness can change stand 1 and pile center line verticality with respect to positioning component I4 formation plane in flat board 13 changes in.
Can anticorrosion in order to guarantee to go in the entire bracket water section (being riser and platform framework), durable in use, good rigidly, adopt stainless steel to make.Other member uses ordinary low-carbon steel.
Installation process of the present utility model is as described below:
1 at first with positioning component I4 and platform framework 3 welding fabrications, and four fulcrums that make positioning component 4 are in same plane;
2 pack positioning component II6 into goes up in the gathering sill 16, then the side-locating face 17 of stand 1 along platform framework 3 is from top to bottom slowly put down, and the pilot hole of keeper 12 in the stand 1 is packed on the register pin 24 among the positioning component II6;
3 will adjust bolt 8 down passes the hole between joist steel 10 and the supplemental support 11 and adjusts down hole in the support member 20, with adjusting nut 8 lockings down, and uses and adjusts nut 5 lockings;
When the verticality of 4 plane of orientations that constitute as stand 1 symmetrical center line and positioning component I4 does not meet the demands, can go up adjusting pad 7 thickness differences, adjust the symmetrical neutral line of riser 1 and the verticality on four positioning component I4 formation planes by making two; The verticality that can adjust when adjusting nut 5 on the other direction is gone up in two of turns respectively;
5 when step 4 still can not meet the demands, can also adjust mat thickness down by changing, and cooperate and adjust the position that nut 5 promptly changes positioning component II6 in the turn and adjust stand 1 symmetrical center line with respect to the verticality that is welded on the positioning component plane that I4 constitutes in the platform framework 3.
6 when stand 1 integral body does not meet the demands with respect to the symmetry of platform framework 3, can be by adjusting the position that nut 5 be positioning component II6 in the turn and adjusting nut 8 down and change down the thickness of adjusting pad 2 and adjust symmetry.
Claims (6)
1. detachable in-pile component maintenance and repair support, it is characterized in that: it comprises stand (1) and platform framework (3), fixedly connected between stand (1) and the platform framework (3) by positioning component II (6), be fixedly connected with positioning component I (4) on the platform framework (3).
2. a kind of detachable in-pile component maintenance and repair support as claimed in claim 1, it is characterized in that: the upper end of the junction between described stand (1) and the platform framework (3) is provided with adjusting pad (7), and the lower end is provided with down adjusts nut (8) and following adjusting pad (2).
3. a kind of detachable in-pile component maintenance and repair support as claimed in claim 1, it is characterized in that: described stand (1) comprises crossbeam (9), joist steel (10), supplemental support (11), keeper (12), dull and stereotyped (13), joist steel (10) is positioned at the both sides of flat board (13), it is middle and vertical with joist steel (10) that crossbeam (9) is welded on joist steel (10), contour between the plane of orientation (22) of two keepers (12), parallel and vertical with dull and stereotyped (13), auxiliary supports (11) is welded on the outside of joist steel (10), is positioned at and the corresponding position of platform framework (3).
4. a kind of detachable in-pile component maintenance and repair support as claimed in claim 1, it is characterized in that: described platform framework (3) comprises main frame (14), main frame (14) and upper reinforcing plate spare (21), lower reinforcing plate spare (19), on adjust support member (15), adjust support member (20) welding fabrication respectively down, on platform framework (3) upside under locating surface (17) and the side locating surface (18) alternate position spike is arranged in the horizontal direction.
5. a kind of detachable in-pile component maintenance and repair support as claimed in claim 1 is characterized in that: described positioning component I (4) is fixed on the platform framework (3) by the mode of welding for being drilled with the block location structure of rack positioning hole (27).
6. a kind of detachable in-pile component maintenance and repair support as claimed in claim 1, it is characterized in that: positioning component II (6) comprises locating piece (23), goes up locating surface (22), register pin (24) and last adjustment bolt (25), one end of locating piece (23) is welded with adjusts bolt (25), locating piece (23) be provided with step, locating surface (22) is formed at the bottom of step, and register pin (24) is vertically welded on locating piece (23) step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206498408U CN201886793U (en) | 2010-12-09 | 2010-12-09 | Detachable maintaining support for reactor internals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206498408U CN201886793U (en) | 2010-12-09 | 2010-12-09 | Detachable maintaining support for reactor internals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886793U true CN201886793U (en) | 2011-06-29 |
Family
ID=44184341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206498408U Expired - Fee Related CN201886793U (en) | 2010-12-09 | 2010-12-09 | Detachable maintaining support for reactor internals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568630A (en) * | 2010-12-09 | 2012-07-11 | 秦山核电有限公司 | Detachable internals maintaining support |
| CN104575630A (en) * | 2013-10-24 | 2015-04-29 | 阿海珐核能公司 | A maintenance method of a central positioning pin of a nuclear fuel assembly |
-
2010
- 2010-12-09 CN CN2010206498408U patent/CN201886793U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568630A (en) * | 2010-12-09 | 2012-07-11 | 秦山核电有限公司 | Detachable internals maintaining support |
| CN102568630B (en) * | 2010-12-09 | 2014-10-01 | 秦山核电有限公司 | Detachable internals maintaining support |
| CN104575630A (en) * | 2013-10-24 | 2015-04-29 | 阿海珐核能公司 | A maintenance method of a central positioning pin of a nuclear fuel assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20151209 |
|
| EXPY | Termination of patent right or utility model |