CN109509566A - A kind of in-pile instrument sheath assembly hand-rail type gripping tool - Google Patents
A kind of in-pile instrument sheath assembly hand-rail type gripping tool Download PDFInfo
- Publication number
- CN109509566A CN109509566A CN201811445220.XA CN201811445220A CN109509566A CN 109509566 A CN109509566 A CN 109509566A CN 201811445220 A CN201811445220 A CN 201811445220A CN 109509566 A CN109509566 A CN 109509566A
- Authority
- CN
- China
- Prior art keywords
- guide holder
- transmission shaft
- gripping tool
- rail type
- sheath assembly
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 3
- 230000002285 radioactive effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002927 high level radioactive waste Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- 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
- G21C19/19—Reactor parts specifically adapted to facilitate handling, e.g. to facilitate charging or discharging of fuel elements
-
- 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
It is an object of the invention to disclose a kind of in-pile instrument sheath assembly hand-rail type gripping tool, it includes transmission shaft, top guide holder, sleeve assembly, lower part guide holder, connecting plate and angle steel supporting leg, transmission shaft is passed through by a bearing block and is fixed on the guide holder of top, top guide holder is fixed on the top of sleeve assembly, the lower part of sleeve assembly is fixed on connecting plate by lower part guide holder, connecting plate lower part is provided with angle steel supporting leg, hook is symmetrically arranged in the two sides of angle steel supporting leg, handwheel is provided at the top of transmission shaft, transmission shaft bottom is provided with screw rod, screw rod is connected with cam by core bar；Compared with prior art, using long handle structure type, opening and the holding of hook are carried out by manpower rotation handwheel to grab IITA, operator is reduced and radiates radioactive dose, hook symmetric configuration, crawl is reliable, and positioning is convenient, and structure designs compact, light weight, it is easy to operate, it is easily assembled disassembly, is achieved the object of the present invention.
Description
Technical field
The present invention relates to a kind of gripping tool, in particular to a kind of in-pile instrument sheath assembly hand-rail type gripping tool.
Background technique
20 years in-pile instrument sheath assembly (hereinafter referred to as IITA) projected lives must be replaced within nuclear power plant's phase in longevity.?
During cold-refueling overhaul, in-pile instrument sheath assembly (IITA) replacement is carried out.Positioned at the in-pile instrument of reactor core segment
Sheath assembly is irradiated, and high-level waste is belonged to, and recovery processing tool is used for the in-pile instrument sheath assembly activation
(IITA) it is extracted out from upper-part in-reactor component, cuts into segment and be stored in in-pile instrument sheath assembly (IITA) special transport after irradiation
It is sealed and stores in container.
It is accordingly required in particular to which a kind of in-pile instrument sheath assembly hand-rail type gripping tool, above-mentioned existing to solve
Problem.
Summary of the invention
The purpose of the present invention is to provide a kind of in-pile instrument sheath assembly hand-rail type gripping tools, for the prior art
Deficiency, has that crawl is reliable, positioning is convenient, compact-sized, structure designs small and exquisite, light weight, easy to operate and be easily assembled disassembly
The features such as, it is effectively reduced operator and radiates radioactive dose.
Technical problem solved by the invention can be realized using following technical scheme:
A kind of in-pile instrument sheath assembly hand-rail type gripping tool, which is characterized in that it includes transmission shaft, top guiding
Seat, sleeve assembly, lower part guide holder, connecting plate and angle steel supporting leg, the transmission shaft are passed through by a bearing block and are fixed on institute
It states on the guide holder of top, the top guide holder is fixed on the top of the sleeve assembly, and the lower part of the sleeve assembly passes through
Lower part guide holder is fixed on the connecting plate, and the connecting plate lower part is provided with angle steel supporting leg, the two of the angle steel supporting leg
Side is symmetrically arranged with hook, and handwheel is provided at the top of the transmission shaft, and the transmission shaft bottom is provided with screw rod, the screw rod
It is connected with cam by core bar, the screw rod and core bar sequentially pass through the sleeve assembly, guide sleeve and angle steel supporting leg, described convex
The inside of the hook is arranged in wheel.
In one embodiment of the invention, the hook is connected to angle steel supporting leg two sides by collet.
In one embodiment of the invention, hanging ring has been bolted on the bearing block.
In one embodiment of the invention, the bearing block, top guide holder, sleeve assembly, connecting plate and lower guide
It is interconnected between seat by bolt.
In one embodiment of the invention, it is interconnected between the transmission shaft and the screw rod by trapezoidal thread.
In one embodiment of the invention, the screw rod and the core bar are connected to each other welding.
In one embodiment of the invention, the waist-shaped hole that observation is offered on the shell of the transmission shaft, passes through spiral shell
Mark point on bar judges the upper and lower displacement of cam.
In one embodiment of the invention, waist type groove is offered on the screw rod, is provided with one liang in the waist type groove
Hold across and be fixed on the sliding pin of the top guide holder outer wall.
In one embodiment of the invention, the bottom of the angle steel supporting leg is provided with limit casing and limit plate.
In-pile instrument sheath assembly hand-rail type gripping tool of the invention, compared with prior art, using long handle structure shape
Formula carries out opening and the holding of hook by manpower rotation handwheel to grab IITA, reduces operator and radiates radioactive dose,
Hook symmetric configuration, crawl is reliable, and positioning is convenient, and structure designs compact, and light weight is easy to operate, is easily assembled disassembly, real
The existing purpose of the present invention.
The features of the present invention sees the detailed description of the drawings of the present case and following preferable embodiment and obtains clearly
Solution.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of in-pile instrument sheath assembly hand-rail type gripping tool of the invention；
Fig. 2 is the A-A diagrammatic cross-section of Fig. 1.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Embodiment
As depicted in figs. 1 and 2, in-pile instrument sheath assembly hand-rail type gripping tool of the invention, it include transmission shaft 3,
Top guide holder 5, sleeve assembly 6, lower part guide holder 10, connecting plate 11 and angle steel supporting leg 13, transmission shaft 3 pass through a bearing block 4
It passes through and is fixed on top guide holder 5, top guide holder 5 is fixed on the top of sleeve assembly 6, and the lower part of sleeve assembly 6 is logical
It crosses lower part guide holder 10 to be fixed on connecting plate 11,11 lower part of connecting plate is provided with angle steel supporting leg 13, the two of angle steel supporting leg 13
Side is symmetrically arranged with hook 14, and the top of transmission shaft 3 is provided with handwheel 2, and 3 bottom of transmission shaft is provided with screw rod 8, and screw rod 8 passes through
Core bar 9 is connected with cam 16, and screw rod 8 and core bar 9 sequentially pass through sleeve assembly 6, guide sleeve 12 and angle steel supporting leg 13, and cam 16 is set
It sets in the inside of hook 14.
In the present embodiment, hook 14 is connected to 13 two sides of angle steel supporting leg by collet 15, and clamping IITA is used for after closing up
Tail portion bayonet.
In the present embodiment, hanging ring 1 has been bolted on bearing block 4；Bearing block 4, top guide holder 5, sleeve group
It is interconnected between part 6, connecting plate 11 and lower part guide holder 10 by bolt, passes through trapezoidal thread between transmission shaft 3 and screw rod 8
It interconnects, the overall structure carrying being connected into promotes the path of pulling force.
In the present embodiment, the operation of hook 14 is executed by handwheel 1, transmission shaft 3, screw rod 8, core bar 9 and cam 16,
Screw rod 8 and core bar 9 are connected to each other welding.
In the present embodiment, the waist-shaped hole that observation is offered on the shell of transmission shaft 3, passes through the mark point on screw rod 8
Judge the upper and lower displacement of cam 16.
In the present embodiment, handwheel 1 drives transmission shaft 3 to rotate, 3 inner wall of transmission shaft and the trapezoidal transmission in 8 outer surface of screw rod
It is threadedly coupled；Waist type groove is offered on screw rod 8, and a both ends are provided in the waist type groove and passes through and is fixed on top guide holder 5
The sliding pin 7 of outer wall；When personnel shake handwheel 2, sliding pin 7 can limit the rotation of screw rod 8 and core bar 9, and by planning path into
Row moves up and down.
In the present embodiment, the bottom of angle steel supporting leg 14 is provided with limit casing 18 and limit plate 17, help desk personnel
Long distance positioning simultaneously clamps the tail portion IITA bayonet.
The course of work of in-pile instrument sheath assembly hand-rail type gripping tool of the invention is as follows:
Firstly, rotation hand wheel 2 makes core bar 9 and cam 16 is down to lower limit position, two valve hooks 14 are softened；Then it utilizes
Hanging ring 1 navigates to in-pile instrument sheath assembly hand-rail type gripping tool of the invention above IITA, by external picture pick-up device,
The limit casing 18 for making the tail portion IITA be inserted into in-pile instrument sheath assembly hand-rail type gripping tool of the invention is slowly transferred, until
It limits plate 17 and touches the tail portion IITA bayonet.
At this point, shaking 2 lift cam 16 of handwheel again to upper limit position, cam 16 pushes the top rocker arm of hook 14, makes
Two valve hooks 14, which collapse, holds the tail portion IITA bayonet tightly, and sliding pin 7 is inserted into the waist-shaped hole of transmission shaft 3 and the waist type groove of screw rod 8, limit
The cam 16 of coremaking bar 9 causes hook 14 to open；After crawl, in-pile instrument of the invention is slowly promoted by hanging ring 1
Sheath assembly hand-rail type gripping tool, to slowly extract IITA out；It after the completion of withdrawing, is shifted by hanging ring 1, carries out other behaviour
Make.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of in-pile instrument sheath assembly hand-rail type gripping tool, which is characterized in that it include transmission shaft, top guide holder,
Sleeve assembly, lower part guide holder, connecting plate and angle steel supporting leg, the transmission shaft are passed through by a bearing block and are fixed on described
On portion's guide holder, the top guide holder is fixed on the top of the sleeve assembly, and the lower part of the sleeve assembly passes through lower part
Guide holder is fixed on the connecting plate, and the connecting plate lower part is provided with angle steel supporting leg, in the two sides pair of the angle steel supporting leg
Title is provided with hook, handwheel is provided at the top of the transmission shaft, the transmission shaft bottom is provided with screw rod, and the screw rod passes through
Core bar is connected with cam, and the screw rod and core bar sequentially pass through the sleeve assembly, guide sleeve and angle steel supporting leg, and the cam is set
It sets in the inside of the hook.
2. in-pile instrument sheath assembly hand-rail type gripping tool as described in claim 1, which is characterized in that the hook passes through
Collet is connected to angle steel supporting leg two sides.
3. in-pile instrument sheath assembly hand-rail type gripping tool as described in claim 1, which is characterized in that on the bearing block
Hanging ring has been bolted.
4. in-pile instrument sheath assembly hand-rail type gripping tool as described in claim 1, which is characterized in that the bearing block,
It is interconnected between top guide holder, sleeve assembly, connecting plate and lower part guide holder by bolt.
5. in-pile instrument sheath assembly hand-rail type gripping tool as described in claim 1, which is characterized in that the transmission shaft with
It is interconnected between the screw rod by trapezoidal thread.
6. in-pile instrument sheath assembly hand-rail type gripping tool as described in claim 1, which is characterized in that the screw rod and institute
It states core bar and is connected to each other welding.
7. in-pile instrument sheath assembly hand-rail type gripping tool as described in claim 1, which is characterized in that the transmission shaft
The waist-shaped hole of observation is offered on shell.
8. in-pile instrument sheath assembly hand-rail type gripping tool as described in claim 1, which is characterized in that opened on the screw rod
Equipped with waist type groove, the sliding pin that a both ends pass through and are fixed on the top guide holder outer wall is provided in the waist type groove.
9. in-pile instrument sheath assembly hand-rail type gripping tool as described in claim 1, which is characterized in that in the angle steel branch
The bottom of leg is provided with limit casing and limit plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811445220.XA CN109509566A (en) | 2018-11-29 | 2018-11-29 | A kind of in-pile instrument sheath assembly hand-rail type gripping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811445220.XA CN109509566A (en) | 2018-11-29 | 2018-11-29 | A kind of in-pile instrument sheath assembly hand-rail type gripping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109509566A true CN109509566A (en) | 2019-03-22 |
Family
ID=65751262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811445220.XA Pending CN109509566A (en) | 2018-11-29 | 2018-11-29 | A kind of in-pile instrument sheath assembly hand-rail type gripping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109509566A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522780A (en) * | 1982-02-16 | 1985-06-11 | Westinghouse Electric Corp. | Removal and replacement of fuel rods in nuclear fuel assembly |
| JPH05264778A (en) * | 1992-03-19 | 1993-10-12 | Hitachi Ltd | Device for gripping nuclear fuel |
| US20050135540A1 (en) * | 2003-11-17 | 2005-06-23 | Pabis George S. | Fuel assembly nozzleless handling tool and method |
| CN202373314U (en) * | 2011-10-25 | 2012-08-08 | 中国武汉核电运行技术股份有限公司 | Special tool for position enlarging of reactor core fuel subassembly |
| CN103077755A (en) * | 2011-10-26 | 2013-05-01 | 上海核工程研究设计院 | Rod bundle grabbing tool |
| CN104464859A (en) * | 2013-09-25 | 2015-03-25 | 核动力运行研究所 | Manual gripping apparatus for thimble plug assembly |
| CN205151636U (en) * | 2015-11-20 | 2016-04-13 | 山东杰锋机械制造有限公司 | Container lid hoisting device |
| CN106409368A (en) * | 2016-11-10 | 2017-02-15 | 上海核工程研究设计院 | In-core instrument sleeve assembly capturing tool |
| CN107742540A (en) * | 2017-10-17 | 2018-02-27 | 中国核动力研究设计院 | A kind of gripping apparatus changed for detector assembly and grasping means |
| CN209343789U (en) * | 2018-11-29 | 2019-09-03 | 上海核工程研究设计院有限公司 | A kind of in-pile instrument sheath assembly hand-rail type gripping tool |
-
2018
- 2018-11-29 CN CN201811445220.XA patent/CN109509566A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522780A (en) * | 1982-02-16 | 1985-06-11 | Westinghouse Electric Corp. | Removal and replacement of fuel rods in nuclear fuel assembly |
| JPH05264778A (en) * | 1992-03-19 | 1993-10-12 | Hitachi Ltd | Device for gripping nuclear fuel |
| US20050135540A1 (en) * | 2003-11-17 | 2005-06-23 | Pabis George S. | Fuel assembly nozzleless handling tool and method |
| CN202373314U (en) * | 2011-10-25 | 2012-08-08 | 中国武汉核电运行技术股份有限公司 | Special tool for position enlarging of reactor core fuel subassembly |
| CN103077755A (en) * | 2011-10-26 | 2013-05-01 | 上海核工程研究设计院 | Rod bundle grabbing tool |
| CN104464859A (en) * | 2013-09-25 | 2015-03-25 | 核动力运行研究所 | Manual gripping apparatus for thimble plug assembly |
| CN205151636U (en) * | 2015-11-20 | 2016-04-13 | 山东杰锋机械制造有限公司 | Container lid hoisting device |
| CN106409368A (en) * | 2016-11-10 | 2017-02-15 | 上海核工程研究设计院 | In-core instrument sleeve assembly capturing tool |
| CN107742540A (en) * | 2017-10-17 | 2018-02-27 | 中国核动力研究设计院 | A kind of gripping apparatus changed for detector assembly and grasping means |
| CN209343789U (en) * | 2018-11-29 | 2019-09-03 | 上海核工程研究设计院有限公司 | A kind of in-pile instrument sheath assembly hand-rail type gripping tool |
Non-Patent Citations (1)
| Title |
|---|
| 辽宁省革命委员会计划委员会技术处编著: "《辽宁先进刀具》", 辽宁人民出版社, pages: 20 - 21 * |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |