CN209401334U - A kind of coordinated type resistance plug assembly gripping apparatus - Google Patents
A kind of coordinated type resistance plug assembly gripping apparatus Download PDFInfo
- Publication number
- CN209401334U CN209401334U CN201822165007.5U CN201822165007U CN209401334U CN 209401334 U CN209401334 U CN 209401334U CN 201822165007 U CN201822165007 U CN 201822165007U CN 209401334 U CN209401334 U CN 209401334U
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- CN
- China
- Prior art keywords
- control handle
- inner cylinder
- locating slot
- plug assembly
- 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
Abstract
The utility model relates to fuel assembly specific purpose tool technical fields, specifically disclose a kind of coordinated type resistance plug assembly gripping apparatus.Position control handle in the gripping apparatus is mounted on outer cylinder, and is controlled the positioning pin realization outer cylinder on handle by position and covered the control that the inner cylinder in outer cylinder links or unlocks jointly；Outer locating slot and interior locating slot are had in outer cylinder and inner cylinder side wall, it grabs control handle and passes through outer locating slot and interior locating slot, and it is connected with the upper end of core bar, core bar can be driven to move up and down by grabbing control handle, core bar lower end is arranged in the grappling fixture of inner cylinder lower end, drives clamping jaw to turn up stretching or interior turn of retraction around axis by the movement of core bar.The gripping apparatus can effectively release the interaction relation of inner/outer tube, so that grappling fixture can pass in and out inside resistance plug assembly；It grabs control handle by operating and can release the interaction relation of inner cylinder and core bar, thus resistance plug assembly is grabbed and being unclamped easily and effectively；The structure can effectively avoid maloperation, realize the correct crawl of resistance plug assembly.
Description
Technical field
The invention belongs to fuel assembly specific purpose tool technical fields, and in particular to a kind of coordinated type resistance plug assembly gripping apparatus.
Background technique
Fuel assembly is the basic component units of nuclear power plant's reactor fuel, in order to effectively control reactor core reactivity and in heap
Data measure, and match respectively on fuel assembly and are inserted with one of C&P systems, burnable poison assembly, Neutron source assembly.?
In the fuel assembly for not configuring said modules, with resistance plug assembly is inserted with, to prevent Core cooling agent from bypassing.In order to make heap
Core is run with optimum mode, during each overhaul of nuclear power plant, will to associated component (C&P systems, Neutron source assembly and
Resistance plug assembly) it is switched, that is, exchange the position of certain two associated component.
The design of EPR unit original carries out C&P systems, Neutron source assembly and resistance plug assembly using fuel handling machine and is firing
Material component between switching, due to general fuel handling machine can not it is intact matching resistance plug assembly interface, at the scene to resistance
When power plug assembly carries out crawl batch turning, often there is alarm phenomenon.To guarantee smoothly switching for resistance plug assembly, therefore, basis is needed
Live interface condition designs a kind of dedicated resistance plug gripping apparatus to be grabbed and be switched to it.
Summary of the invention
The purpose of the present invention is to provide a kind of coordinated type resistance plug assembly pawl tools, can be to the power-assisted plug in fuel assembly
Component is grabbed and is switched.
Technical scheme is as follows: a kind of coordinated type resistance plug assembly gripping apparatus, the gripping apparatus include outer cylinder, inner cylinder, core
Bar, grabs control handle and grappling fixture at position control handle, wherein position control handle is mounted on outer cylinder, and controls the positioning on handle by position
Pin realizes outer cylinder and covers the control that the inner cylinder in outer cylinder links or unlocks jointly；It is outer fixed to have in outer cylinder and inner cylinder side wall
Position slot and interior locating slot grab control handle and pass through outer locating slot and interior locating slot, and be connected with the upper end of core bar, by grabbing control
Handle can drive core bar to move up and down, and core bar lower end is arranged in the grappling fixture of inner cylinder lower end, drive clamping jaw by the movement of core bar
Around axis turn up stretching or interior turn retraction.
The outer cylinder is connected with pedestal by several connecting rods and forms overall structure, the pedestal and fuel
The upper tube holder structure of component matches, and entire gripping apparatus can be located on the upper tube socket of fuel assembly by pedestal.
Location hole is provided on the inner cylinder；Institute's rheme control handle is fixed on outer cylinder, controls the positioning in handle by position
Location hole on pin insertion inner cylinder, realizes the locking of outer cylinder and inner cylinder, and realize linkage；By pulling out in positioning pin can make
Cylinder is detached from outer cylinder and self-movement.
Grappling fixture described in the lower end of inner cylinder is arranged in by adjusting nut and is equipped with several clamping jaws for the grappling fixture, described
Clamping jaw be mounted on grappling fixture by pin shaft, and can by core bar drive clamping jaw around pin shaft rotate.
The interior locating slot is that wide intermediate narrow shape can release core bar and inner cylinder when grasping control handle outside up and down
Linkage；When grasping control handle outside, the control handle of grabbing is in lockup state；The structure of the interior locating slot, which can limit, grabs control
Handle is in two positions up and down of interior locating slot.
The outer locating slot is up-narrow and down-wide shape and structure, only when inner cylinder moves downward, until grabbing control handle fortune
When moving outer locating slot lower end, it could operate and grab control handle.
The inner tank theca is equipped with lifting lug and hangers, and the lifting lug and hangers are arranged at outer cylinder lower coupling pole
Inner tank theca on.
Hanging ring is equipped at the top of the inner cylinder.
Remarkable result of the invention is: a kind of coordinated type resistance plug assembly gripping apparatus of the present invention has following excellent
Point: (1) position control handle, outer cylinder, connecting rod and the pedestal of the gripping apparatus connect into an entirety, can have by operative position control handle
Effect releases the interaction relation of inner/outer tube, so that grappling fixture can pass in and out inside resistance plug assembly；(2) gripping apparatus grab control handle with
Core bar connects into an entirety, and the interaction relation of inner cylinder and core bar can be released by grabbing control handle by operation, thus easily and effectively
Resistance plug assembly is grabbed and is unclamped；(3) locating slot of special shape is provided with inside and outside on barrel, may be implemented to have
The linkage releasing sequence of priority, only after operative position control handle, can just continue operation and grab control handle, which can effectively avoid
The correct crawl of resistance plug assembly is realized in maloperation；(4) it is divided into multistage core bar and inner cylinder on the gripping apparatus length direction, it is convenient
Installation and transport, while there is many places hangers and lifting lug, it is convenient for in-site installation and lifting；(5) adjusting nut is installed on inner cylinder,
Inner cylinder is limited using adjusting nut, so that inner cylinder weight is unlikely to all to be pressed on resistance plug assembly, to reduce resistance
The axial load that power plug assembly is born.
Detailed description of the invention
Fig. 1 is a kind of coordinated type resistance plug assembly gripping apparatus structural schematic diagram of the present invention；
Fig. 2 is that handle arrangement schematic diagram is controlled in position in Fig. 1；
Fig. 3 is that control handle arrangement schematic diagram is grabbed in Fig. 1；
Fig. 4 is grappling fixture structural schematic diagram in Fig. 1；
Fig. 5 is that a kind of coordinated type resistance plug assembly gripping apparatus of the present invention grabs process schematic；
In figure: 1, hanging ring；2, handle is controlled in position；3, outer cylinder；4, control handle is grabbed；5, lifting lug；6, connecting rod；7, inner cylinder；8, it hangs
Ear；9, core bar；10, pedestal；11, adjusting nut；12, grappling fixture；13, positioning pin；14, interior locating slot；15, outer locating slot；16, it presss from both sides
Pawl；17, resistance plug assembly central tube.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Fig. 1~5, a kind of coordinated type resistance plug assembly gripping apparatus, including outer cylinder 3, inner cylinder 7, core bar 9, position control handle
2, control handle 4 and grappling fixture 12 are grabbed, wherein outer cylinder 3 is one section of cylindrical structure, and lower end passes through several connecting rods 6 and bottom
Seat 10 is connected and forms an entirety, and pedestal 10 may be seated on the upper tube socket of fuel assembly；Pacify in 3 upper end side wall of outer cylinder
Handle 2 is controlled equipped with position, it includes positioning pin 13 that position, which is controlled in handle 2, and is covered in outer cylinder 3, connecting rod 6 and pedestal 10
Location hole on cylinder 7 matches, and when being detached from by pulling position to control the location hole on positioning pin 13 and inner cylinder 7 in handle 2, can solve
Except the interaction relation between inner cylinder 7 and outer cylinder 3, make inner cylinder 7 can be relative to 3 self-movement of outer cylinder；It is equipped on the top of inner cylinder 7
Hanging ring 1 is equipped with lifting lug 5 and hangers 8 on 7 outer wall of inner cylinder being located at 6 position of connecting rod, the grappling fixture 12 in pedestal 10
It is mounted on by adjusting nut 11 on the lower end surface of inner cylinder 7；The outer locating slot of up-narrow and down-wide shape is provided on 3 side wall of outer cylinder
15, and it is provided on the corresponding lateral wall of inner cylinder 7 the interior locating slot 14 of the upper and lower wide narrow shape in centre, it is mounted in inner cylinder 7
9 upper end of core bar, which is welded with, grabs control handle 4, and grabs control handle 4 and be located in interior locating slot 14 and outer locating slot 15, and outside
When grasping control handle 4, the linkage of core bar 9 Yu inner cylinder 7 can be released, when not grasping control handle 4 outside, control handle 4 is grabbed and is in locking shape
State；Since interior locating slot 14 has wide intermediate narrow structure up and down, interior locating slot 14 can only can be in by grabbing control handle 4
Upper and lower two positions, simultaneously as outer locating slot 15 has up-narrow and down-wide shape, only when inner cylinder moves downward, until grabbing
When control handle 4 moves to outer 15 lower end of locating slot, it can operate and grab control handle 4, otherwise can not pull out outside and grab control handle 4；Grappling fixture
It include three pieces clamping jaw 16 on 12, clamping jaw is mounted on grappling fixture 12 by pin shaft, and can be rotated around pin shaft；9 end of core bar is mounted on
In grappling fixture 12, and when core bar 9 is protruding, drives clamping jaw 16 to turn up stretching around axis, make clamping jaw 16 and resistance plug assembly center
The interior recess cooperation of cylinder 17, to realize the crawl to resistance plug assembly；When core bar 9 inwardly retracts, clamping jaw 16 turns in axis
It retracts, grappling fixture 12 is made to be in release conditions.
The specific workflow of a kind of coordinated type resistance plug assembly gripping apparatus of the present invention are as follows: when original state, it is fixed to make
Position pin 13 is inserted into the location hole of inner cylinder 7, realizes the linkage of inner cylinder 7 and outer cylinder 3；Make to grab control handle 4 and is in interior locating slot 14
Top, so that clamping jaw 16 be made to be in retracted mode, grappling fixture 12 is in release conditions.When start-up operation, using traveling crane in hanging ring 1
On, so that pedestal 10 is located on the upper tube socket of fuel assembly, then operative position control handle 2, releases the connection of inner cylinder 7 and outer cylinder 3
Dynamic relationship, then slowly transfers hanging ring 1, moves down inner cylinder 7 integrally, and inner cylinder 7 is limited using adjusting nut 11, so that
Grappling fixture 12 is inserted into resistance plug assembly central tube 17.Outer locating slot 15 is moved to together with inner cylinder 7 at this point, grabbing control handle 4
Lower end.Next, grabbing control handle 4 by operation, so that grabbing control handle 4 moves to interior 14 lower part of locating slot, make core bar 9 to overhanging
Out, so that clamping jaw 16 be driven to turn up, the crawl to resistance plug assembly is realized.Then, by slowly upper lifting ring 1 of driving a vehicle, so that
Inner cylinder 7 moves upwards, until positioning pin 13 is inserted into the location hole of inner cylinder 7, to realize inner cylinder 7, outer cylinder 3 and core bar 9 three
The interaction relation of person, and then realize crawl and lifting to resistance plug assembly.
Claims (8)
1. a kind of coordinated type resistance plug assembly gripping apparatus, it is characterised in that: the gripping apparatus include outer cylinder (3), inner cylinder (7), core bar (9),
Control handle (4) and grappling fixture (12) are grabbed in position control handle (2), wherein position control handle (2) is mounted on outer cylinder (3), and passes through position
Positioning pin (13) in control handle (2) realizes outer cylinder (3) and covers inner cylinder (7) control of linkage or unlock jointly in outer cylinder (3)
System；Outer locating slot (15) and interior locating slot (14) are had in outer cylinder (3) and inner cylinder (7) side wall, grabs control handle (4) across outer
Locating slot (15) and interior locating slot (14), and be connected with the upper end of core bar (9), core bar can be driven by grabbing control handle (4)
(9) it moves up and down, core bar (9) lower end is arranged in the grappling fixture (12) of inner cylinder (7) lower end, drives folder by the movement of core bar (9)
Pawl (16) around axis turn up stretching or interior turn retraction.
2. a kind of coordinated type resistance plug assembly gripping apparatus according to claim 1, it is characterised in that: the outer cylinder (3) is logical
It crosses several connecting rods (6) to be connected with pedestal (10) and form overall structure, the pedestal (10) is upper with fuel assembly
Tube socket structure matches, and entire gripping apparatus can be located on the upper tube socket of fuel assembly by pedestal (10).
3. a kind of coordinated type resistance plug assembly gripping apparatus according to claim 1, it is characterised in that: on the inner cylinder (7)
It is provided with location hole；Institute's rheme control handle (2) is fixed on outer cylinder (3), by positioning pin (13) insertion in position control handle (2)
Location hole on cylinder (7), realizes the locking of outer cylinder (3) and inner cylinder (7), and realizes linkage；By pulling out positioning pin (13)
Inner cylinder (7) and outer cylinder (3) can be made to be detached from simultaneously self-movement.
4. a kind of coordinated type resistance plug assembly gripping apparatus according to claim 1, it is characterised in that: the grappling fixture (12) is logical
It overregulates and is equipped with several clamping jaws (16), the folder in nut (11) the setting grappling fixture described in the lower end of inner cylinder (7) (12)
Pawl (16) is mounted on grappling fixture (12) by pin shaft, and clamping jaw (16) can be driven to rotate around pin shaft by core bar (9).
5. a kind of coordinated type resistance plug assembly gripping apparatus according to claim 1, it is characterised in that: the interior locating slot
(14) linkage of core bar (9) Yu inner cylinder (7) can be released when grasping control handle (4) outside for wide intermediate narrow shape up and down；No
Outside grasp control handle (4) when, it is described grab control handle (4) be in lockup state；The structure of the interior locating slot (14), which can limit, grabs
Control handle (4) is in two positions up and down of interior locating slot (14).
6. a kind of coordinated type resistance plug assembly gripping apparatus according to claim 1, it is characterised in that: the outer locating slot
(15) it is up-narrow and down-wide shape and structure, only when inner cylinder (7) moves downward, moves to outer locating slot until grabbing control handle (4)
(15) when lower end, it could operate and grab control handle (4).
7. a kind of coordinated type resistance plug assembly gripping apparatus according to claim 2, it is characterised in that: the inner cylinder (7) is outside
Wall is equipped with lifting lug (5) and hangers (8), and the lifting lug (5) and hangers (8) are arranged at outer cylinder (3) lower coupling pole (6)
On inner cylinder (7) outer wall.
8. a kind of coordinated type resistance plug assembly gripping apparatus according to claim 1, it is characterised in that: inner cylinder (7) top
Portion is equipped with hanging ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165007.5U CN209401334U (en) | 2018-12-21 | 2018-12-21 | A kind of coordinated type resistance plug assembly gripping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822165007.5U CN209401334U (en) | 2018-12-21 | 2018-12-21 | A kind of coordinated type resistance plug assembly gripping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401334U true CN209401334U (en) | 2019-09-17 |
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ID=67895574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822165007.5U Active CN209401334U (en) | 2018-12-21 | 2018-12-21 | A kind of coordinated type resistance plug assembly gripping apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN209401334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110803612A (en) * | 2019-10-17 | 2020-02-18 | 岭东核电有限公司 | Control rod guide cylinder hoisting device and control rod guide cylinder hoisting method |
| CN111354491A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Linkage type resistance plug assembly gripping apparatus |
-
2018
- 2018-12-21 CN CN201822165007.5U patent/CN209401334U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111354491A (en) * | 2018-12-21 | 2020-06-30 | 核动力运行研究所 | Linkage type resistance plug assembly gripping apparatus |
| CN110803612A (en) * | 2019-10-17 | 2020-02-18 | 岭东核电有限公司 | Control rod guide cylinder hoisting device and control rod guide cylinder hoisting method |
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