CN208000749U - One kind capturing replacement tool for long distance positioning under high radioactivity ambient water - Google Patents
One kind capturing replacement tool for long distance positioning under high radioactivity ambient water Download PDFInfo
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- CN208000749U CN208000749U CN201721815018.2U CN201721815018U CN208000749U CN 208000749 U CN208000749 U CN 208000749U CN 201721815018 U CN201721815018 U CN 201721815018U CN 208000749 U CN208000749 U CN 208000749U
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- inner sleeve
- under high
- long distance
- cylinder
- outer sleeve
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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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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model belongs to nuclear power station site examining and repairing technical field, more particularly to one kind replacement tool is captured for long distance positioning under high radioactivity ambient water, the utility model belongs to nuclear power station site examining and repairing technical field, and in particular to one kind capturing replacement tool for long distance positioning under high radioactivity ambient water.It is characterized in that:It includes connection handle, cylinder, support plate, support tube, movable plate, outer sleeve, positioning pin, gripper, inner sleeve, connection bolt and spring.
Description
Technical field
The utility model belongs to nuclear power station site examining and repairing technical field, and in particular to one kind is under high radioactivity ambient water
Long distance positioning captures replacement tool.
Background technology
Due to the peculiar property of core, after nuclear reactor unit operation, the components such as reactor core internals have high radioactivity.With
Unit continuous service, the gradual aging of each component of reactor core under the action of high temperature, high pressure, water impact in reactor pressure vessel,
Equipment dependability reduces, and needs to replace associated components, repair.
Due to the high radioactivity of operating unit core components, all replacement, repairs for core components are both needed in boric acid
It is completed under water shielding, routine maintenance means can not be used.Under high radioactivity dosage environment, underwater remote-controlled operation can only be passed through
It completes associated components crawl, more change jobs.The driving type of gripping tool has much at present, mechanical, electronic, hydraulic pressure and pneumatic side
Formula, but comprehensive property indices and prevent driving dielectric leakage from influencing water quality, this gripping tool selects pneumatic mode driving.Together
When be to ensure that the accident that gripper components do not occur in transfer process falls off, this gripping tool need to have crawl protective device.In order to
Meet the demand, light utility model one kind, fast demountable, reliable underwater long distance positioning crawl is needed to replace work
Tool has completion mechanical part and directly captures forwarding function.
Utility model content
The purpose of this utility model is to provide a kind of light, reliable underwater long distance positionings to capture replacement tool, together
When have split type, fast demountable function.
The utility model is realized in this way:
One kind capturing replacement tool, including connection handle, cylinder, support for long distance positioning under high radioactivity ambient water
Plate, support tube, movable plate, outer sleeve, fixed pin, gripper, inner sleeve, connection bolt and spring;
Connection handle upper end is for connecting removable long rod tool, and the length of long rod tool is depending on live actual demand;
The lower part of connection handle is equipped with connection bolt, for the connection between connection handle and cylinder;
Cylinder lower end is connected with support plate by connecting bolt, and cylinder stroke core bar passes through core bar screw thread and movable plate phase
Connection;Movable plate is connect with outer sleeve by welding form;
Support plate is connected by welding with support tube, and support tube is connected by welding with inner sleeve, and wherein gripper is logical
Fixed pin is crossed to be connected on inner sleeve;Preloading spring is wherein installed in support tube, stress end face is support plate, bullet on spring
Spring lower stress end face is movable plate.
When cylinder as described above is in mistake gaseity, ensured that outer sleeve is pushed by movable plate by acting force of the spring in cylinder
Least significant end ensures the complete housed state of gripper, captures high radioactivity component completely;
When cylinder is in inflated condition, movable plate and outer sleeve are stretched to by extreme higher position by connection screw thread in cylinder,
To make gripper be opened completely under the action of outer sleeve, the complete release for being grabbed component ensure that.
The hollow cylindrical of outer sleeve generally upper and lower opening as described above, upper end are welded with movable plate, whole
It is sleeved on the outside of inner sleeve, is moved above and below along inner sleeve;The lower part of outer sleeve side wall is uniformly distributed, and there are three square holes, are used for
Gripper is accommodated when cylinder charge state.
The hollow cylindrical of inner sleeve generally upper and lower opening as described above, upper end are welded with support tube;Inner sleeve
The outer diameter of cylinder is less than or equal to the internal diameter of outer sleeve;The lower part of inner sleeve side wall is uniformly distributed, and there are three square grooves, for installing gripper, side
The position of shape slot is corresponding with the position of outer sleeve square hole.
Gripper generally inverted "L" shape as described above, upper end are mounted on by fixed pin inside the square groove of inner sleeve, with solid
Rationed marketing is dynamic for shaft rotation.
As described above connection handle, cylinder, support plate, support tube, movable plate, outer sleeve, fixed pin, gripper, inner sleeve,
Connection bolt and spring are all made of stainless steel material and are made.
The utility model has the beneficial effects that:
The design of technological arrangement of this patent has been successfully applied to the Fan family mountain 1#, 2# nuclear power generating sets QF-OT101, QF-OT201
Nuclear reactor inner member repairs, and works well.The project is earliest successful implementation in overhaul special project as Fan family mountain overhaul special project
Special project.
Description of the drawings
Fig. 1 is a kind of main view for long distance positioning crawl replacement tool under high radioactivity ambient water of the utility model
Figure;
Fig. 2 is a kind of housing for long distance positioning crawl replacement tool under high radioactivity ambient water of the utility model
The front view of cylinder;
Fig. 3 is the B-B direction view of Fig. 2;
Fig. 4 is the C-C direction views of Fig. 2.
Wherein:1. connection handle, 2. cylinders, 3. support plates, 4. support tubes, 5. movable plates, 6. outer sleeves, 7. fixed pins, 8.
Gripper, 9. inner sleeves, 10. connection bolts, 11. springs.
Specific implementation mode
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of capturing replacement tool for long distance positioning under high radioactivity ambient water, including connection handle 1,
Cylinder 2, support plate 3, support tube 4, movable plate 5, outer sleeve 6, fixed pin 7, gripper 8, inner sleeve 9, connection bolt 10 and spring
11。
1 upper end of connection handle is for connecting removable long rod tool, and the length of long rod tool is depending on live actual demand.
The lower part of connection handle 1 is equipped with connection bolt 10, for the connection between connection handle 1 and cylinder 2.
2 lower end of cylinder is connected with support plate 3 by connecting bolt 10, and 2 stroke core bar of cylinder passes through core bar screw thread and work
Movable plate 5 is connected.Movable plate 5 is connect with outer sleeve 6 by welding form.
Support plate 3 is connected by welding with support tube 4, and support tube 4 is connected by welding with inner sleeve 9, wherein grabbing
Pawl 8 is connected to by fixed pin 7 on inner sleeve 9.Preloading spring 11 is wherein installed in support tube 4, force side on spring 11
Face is support plate 3, and 11 lower stress end face of spring is movable plate 5.
When cylinder 2 is in mistake gaseity, ensured that outer sleeve 6 is pushed into most by movable plate 5 by 11 active force of spring in cylinder 2
Low side ensures 8 complete housed state of gripper, captures high radioactivity component completely.
When cylinder 2 is in inflated condition, movable plate 5 and outer sleeve 6 are stretched to by highest order by connection screw thread in cylinder 2
It sets, to make gripper 8 be opened completely under the action of outer sleeve 6, ensure that the complete release for being grabbed component.
As shown in Figure 2, Figure 3 and Figure 4, the hollow cylindrical of the generally upper and lower opening of outer sleeve 6, upper end
It is welded with movable plate 5, integral assembling is moved in the outside of inner sleeve 9 along inner sleeve 9 above and below.The lower part of 6 side wall of outer sleeve is equal
There are three square holes for cloth, for accommodating gripper 8 in 2 inflated condition of cylinder.
The hollow cylindrical of the generally upper and lower opening of inner sleeve 9, upper end are welded with support tube 4.Outside inner sleeve 9
Diameter is less than or equal to the internal diameter of outer sleeve 6.The lower part of 9 side wall of inner sleeve is uniformly distributed, and there are three square grooves, rectangular for installing gripper 8
The position of slot is corresponding with the position of 6 square hole of outer sleeve.
The generally inverted "L" shape of gripper 8, upper end is mounted on by fixed pin 7 inside the square groove of inner sleeve 9, with fixed pin 7
It is dynamic for shaft rotation.
In the present embodiment, connection handle 1, cylinder 2, support plate 3, support tube 4, movable plate 5, outer sleeve 6, fixed pin 7,
Gripper 8, inner sleeve 9, connection bolt 10 and spring 11 are all made of stainless steel material and are made.
The utility model can realize the underwater crawl of positioning parts at a distance and release function;It can be achieved underwater remote
Unexpected anti-release function;Underwater component forwarding function at a distance can be achieved;Fast assembling-disassembling can be achieved, type of drive is pneumatic
Function;The tool of the utility model has the characteristics that light, reliable;The device of the utility model is processed using stainless steel, is not easy
By boric acid aqueous corrosion, intensity is higher.
The implementation of the utility model is explained in detail above in conjunction with embodiment, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made under the premise of objective.Existing skill may be used in the content not being described in detail in the utility model specification
Art.
Claims (5)
1. one kind capturing replacement tool for long distance positioning under high radioactivity ambient water, it is characterised in that:It includes connection handle
(1), cylinder (2), support plate (3), support tube (4), movable plate (5), outer sleeve (6), fixed pin (7), gripper (8), inner sleeve
(9), connection bolt (10) and spring (11);
Connection handle (1) upper end is for connecting removable long rod tool;The lower part of connection handle (1) is used for equipped with connection bolt (10)
Connection between connection handle (1) and cylinder (2);
Cylinder (2) lower end is connected with support plate (3) by connecting bolt (10), and cylinder (2) stroke core bar passes through core bar screw thread
It is connected with movable plate (5);Movable plate (5) is connect with outer sleeve (6) by welding form;
Support plate (3) is connected by welding with support tube (4), and support tube (4) is connected by welding with inner sleeve (9),
Middle gripper (8) is connected to by fixed pin (7) on inner sleeve (9);Preloading spring (11) wherein is installed in support tube (4),
Stress end face is support plate (3) on spring (11), and spring (11) lower stress end face is movable plate (5).
2. according to claim 1 capture replacement tool for long distance positioning under high radioactivity ambient water, feature exists
In:The hollow cylindrical of outer sleeve (6) the generally upper and lower opening, upper end are welded with movable plate (5), whole to cover
Outside mounted in inner sleeve (9) moves above and below along inner sleeve (9);The lower part of outer sleeve (6) side wall is uniformly distributed, and there are three square holes.
3. according to claim 2 capture replacement tool for long distance positioning under high radioactivity ambient water, feature exists
In:The hollow cylindrical of inner sleeve (9) the generally upper and lower opening, upper end are welded with support tube (4);Inner sleeve
(9) outer diameter is less than or equal to the internal diameter of outer sleeve (6);The lower part of inner sleeve (9) side wall is uniformly distributed, and there are three square grooves, for installing
The position of gripper (8), square groove is corresponding with the position of outer sleeve (6) square hole.
4. according to claim 3 capture replacement tool for long distance positioning under high radioactivity ambient water, feature exists
In:The gripper (8) generally inverted "L" shape, upper end are mounted on by fixed pin (7) inside the square groove of inner sleeve (9), with solid
Rationed marketing (7) is dynamic for shaft rotation.
5. according to claim 1 capture replacement tool for long distance positioning under high radioactivity ambient water, feature exists
In:The connection handle (1), cylinder (2), support plate (3), support tube (4), movable plate (5), outer sleeve (6), fixed pin (7),
Gripper (8), inner sleeve (9), connection bolt (10) and spring (11) are all made of stainless steel material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815018.2U CN208000749U (en) | 2017-12-22 | 2017-12-22 | One kind capturing replacement tool for long distance positioning under high radioactivity ambient water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721815018.2U CN208000749U (en) | 2017-12-22 | 2017-12-22 | One kind capturing replacement tool for long distance positioning under high radioactivity ambient water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000749U true CN208000749U (en) | 2018-10-23 |
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ID=63835482
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721815018.2U Active CN208000749U (en) | 2017-12-22 | 2017-12-22 | One kind capturing replacement tool for long distance positioning under high radioactivity ambient water |
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|---|---|
| CN (1) | CN208000749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109961863A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | One kind grabbing replacement tool for long distance positioning under high radioactivity ambient water |
-
2017
- 2017-12-22 CN CN201721815018.2U patent/CN208000749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109961863A (en) * | 2017-12-22 | 2019-07-02 | 中核核电运行管理有限公司 | One kind grabbing replacement tool for long distance positioning under high radioactivity ambient water |
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