CN114596974A - Split type end cap transmission device - Google Patents
Split type end cap transmission device Download PDFInfo
- Publication number
- CN114596974A CN114596974A CN202111621968.2A CN202111621968A CN114596974A CN 114596974 A CN114596974 A CN 114596974A CN 202111621968 A CN202111621968 A CN 202111621968A CN 114596974 A CN114596974 A CN 114596974A
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- CN
- China
- Prior art keywords
- plug
- conveying pipe
- pipe
- holding part
- piston
- 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
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 16
- 210000000078 claw Anatomy 0.000 claims abstract description 15
- 230000005484 gravity Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000005429 filling process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000002285 radioactive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
- G21D1/006—Details of nuclear power plant primary side of steam generators
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Manipulator (AREA)
Abstract
The utility model belongs to the technical field of nuclear power, concretely relates to split type end cap transmission device. In the split type plug transmission device, the pneumatic expansion claw is connected with the plug clamp, and the holding part of the plug clamp is over against one end of the conveying pipe; a plurality of plugs are accommodated between one end of the conveying pipe and the piston; under the condition that the air pump blows air into the conveying pipe, the driving piston pushes the plugs to move towards one end of the conveying pipe, and the plug which extends out of one end of the conveying pipe firstly enters the holding part and then is held by the holding part; the driving device can drive the holding part to move to be staggered with the opening at one end of the conveying pipe, so that the plug held by the holding part can be taken away by the pipe plugging device. Therefore, the method can ensure that the pipe plugging equipment does not need to move out of the SG primary side in the filling process, simplify the pipe plugging work flow and improve the accessibility of the pipe plugging equipment under the condition of limited space. Therefore, the working efficiency of pipe blocking operation is effectively improved, and the irradiated dose of personnel is reduced.
Description
Technical Field
The invention belongs to the technical field of nuclear power, and particularly relates to a split type plug transmission device.
Background
The steam generator SG serves as a pressure boundary between the first and second circuits of the nuclear power plant, is a core component for heat exchange between the first circuit radioactive coolant and the second circuit non-feedwater, and is also a radioactive protection barrier for the second circuit without contamination. The operation experience of nuclear power plants at home and abroad shows that the problem of degradation of the heat transfer pipe cannot be completely eliminated, so that on the basis of periodically checking the integrity of the heat transfer pipe, the damaged or defective heat transfer pipe needs to be quickly and reliably blocked to be out of service, thereby ensuring that SG can safely and reliably operate. Personnel are exposed to radiation during the plugging operation and, therefore, there is a need to improve the efficiency of the plugging operation.
Disclosure of Invention
In order to overcome the problems in the related art, a split type plug transmission device is provided.
According to an aspect of the embodiments of the present disclosure, a split-type plug transmission device is provided, which includes: the pneumatic expansion claw, the conveying pipe, the plug clamp, the plugs and the piston;
the pneumatic expansion claw is fixed in a pipe hole of a primary side pipe plate of the steam generator;
the plug clamp comprises a gripping part and a driving device, and the gripping part is connected with the driving end of the driving device;
the pneumatic expansion claw is connected with the plug clamp, and a holding part of the plug clamp is opposite to one end of the conveying pipe;
a piston is arranged in the conveying pipe, and the plurality of plugs are accommodated between one end of the conveying pipe and the piston;
the other end of the conveying pipe is connected with an air pump, and the air pump drives the piston to push the plugs to move towards one end of the gas conveying pipe under the condition that the air pump blows air into the conveying pipe, so that the plug which extends out of one end of the gas conveying pipe firstly enters the holding part and then is held by the holding part;
the driving device can drive the gripping part to move to be staggered with one end opening of the conveying pipe, so that the plug gripped by the gripping part can be taken away by the pipe plugging device.
In a possible implementation manner, the holding part is a hollow cylinder, and the inner wall of the holding part is provided with a plurality of elastic sheet structures for clamping a plug entering the holding part.
In a possible implementation, the air pump sucks air from the other end of the delivery pipe to drive the piston to move towards the other end of the delivery pipe, and the plugs in the delivery pipe fall back under the action of gravity.
In a possible implementation, the driving means comprise a plurality of driving rods parallel to each other, each driving rod having one end connected to the grip;
the driving device can drive the gripping part to horizontally move through the plurality of driving rods.
The beneficial effect of this disclosure lies in: in the split plug transmission device, the pneumatic expansion claw is fixed in a pipe hole of a primary side pipe plate of a steam generator; the pneumatic expansion claw is connected with the plug clamp, and the holding part of the plug clamp is opposite to one end of the conveying pipe; a piston is arranged in the conveying pipe, and a plurality of plugs are accommodated between one end of the conveying pipe and the piston; the other end of the conveying pipe is connected with an air pump, and under the condition that the air pump blows air into the conveying pipe, the piston is driven to push the plugs to move towards one end of the air conveying pipe, and the plug which extends out of one end of the air conveying pipe firstly enters the holding part and then is held by the holding part; the driving device can drive the holding part to move to be staggered with the opening at one end of the conveying pipe, so that the plug held by the holding part can be taken away by the pipe plugging device. Like this, this disclosure both can guarantee to fill in-process stifled pipe equipment and need not to shift out SG once and has simplified stifled pipe work flow, can also effectively reduce stifled pipe equipment's volume, weight, simplify stifled pipe equipment structure, improve the reachability of stifled pipe equipment under the limited condition in space. Therefore, the working efficiency of pipe blocking operation is effectively improved, and the irradiated dose of personnel is reduced.
Drawings
Fig. 1 is a schematic diagram illustrating a split plug transport device according to an exemplary embodiment.
Fig. 2a is a schematic diagram illustrating an operating state of a split plug transmission device according to an exemplary embodiment.
Fig. 2b is a schematic diagram illustrating an operating state of a split plug transmission device according to an exemplary embodiment.
Fig. 2c is a schematic diagram illustrating an operating state of a split plug transmission device according to an exemplary embodiment.
Fig. 2d is a schematic diagram illustrating an operating state of a split plug transmission device according to an exemplary embodiment.
In the figure:
1-primary side tube plate of steam generator; 2-pipe hole; 3-pneumatically expanding the claws; 4-a plug clamp; 5-conveying pipe;
6-plug; 7-a piston; 8-pipe plugging equipment.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
Fig. 1 is a schematic diagram illustrating a split plug transport device according to an exemplary embodiment. Fig. 2a-2d are schematic diagrams illustrating the operation of a split plug transport device according to an exemplary embodiment. As shown in fig. 1 and fig. 2a to 2d, the split plug transmission device includes: the pneumatic expansion claw 3, the conveying pipe 5, the plug 6 clamp 4, a plurality of plugs 6 and the piston 7.
The pneumatic expansion claw 3 is fixed in a pipe hole 2 of a primary side pipe plate of the steam generator 1;
the plug 6 clamp 4 comprises a holding part and a driving device, wherein the holding part is connected with a driving end of the driving device (the driving device can be a motor or a cylinder, and the specific type of the driving device is not limited in the disclosure);
the pneumatic expansion claw 3 is connected with the plug 6 clamp 4, and the holding part of the plug 6 clamp 4 is opposite to one end of the conveying pipe 5;
a piston 7 is arranged in the conveying pipe 5, and the plurality of plugs 6 are accommodated between one end of the conveying pipe 5 and the piston 7;
the other end of the conveying pipe 5 is connected with an air pump, and under the condition that the air pump blows air into the conveying pipe 5, the piston 7 is driven to push the plugs 6 to move towards one end of the gas conveying pipe, and the plug 6 which extends out of one end of the gas conveying pipe firstly enters the grasping part and then is grasped by the grasping part;
the driving device can drive the gripping part to move to be staggered with one end opening of the conveying pipe 5, so that the plug 6 gripped by the gripping part can be taken away by the pipe plugging device 8.
In a possible implementation manner, the grip portion is a hollow cylinder, and the inner wall of the grip portion is provided with a plurality of elastic sheet structures for clamping the plug 6 entering the grip portion.
In a possible realisation, the air pump sucks air from the other end of the delivery tube 5, driving the piston 7 towards the other end of the delivery tube 5, the plugs 6 inside the delivery tube 5 falling back under the effect of gravity.
In a possible implementation, the driving means comprise a plurality of driving rods parallel to each other, each driving rod having one end connected to the grip; the driving device can drive the gripping part to horizontally move through the plurality of driving rods.
In an application example, the split plug transmission device disclosed by the invention is fixedly installed on a primary side tube plate 1 of a steam generator through a pneumatic expansion claw 3, the front end of a conveying pipe 5 is connected with the pneumatic expansion claw 3, and meanwhile, an elastic plug clamp 4 capable of moving horizontally is arranged. A plurality of plugs 6 are accommodated in the conveying pipe, and pistons 7 are arranged below the plugs 6. Blowing air at the rear end of the conveying pipe 5 can drive the piston 7 to drive the plug 6 to move upwards. The uppermost plug 6 is gripped by the plug clamp 4 after entering the elastic plug clamp 4. By aspirating on the rear end of the delivery tube 5, the piston 7 can be retracted, and the remaining plug falls under gravity back towards the rear end of the delivery tube 5. The plug clamp 4 holding the plug 6 horizontally extends, and the mechanical arm carries the pipe plugging equipment 8 to align the plug 6. After the plug loading is completed, the plug clip 4 is retracted horizontally to the initial position.
Having described embodiments of the present disclosure, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terms used herein were chosen in order to best explain the principles of the embodiments, the practical application, or technical improvements to the techniques in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (4)
1. The utility model provides a split type end cap transmission device which characterized in that, split type end cap transmission device includes: the pneumatic expansion claw, the conveying pipe, the plug clamp, the plugs and the piston;
the pneumatic expansion claw is fixed in a pipe hole of a primary side pipe plate of the steam generator;
the plug clamp comprises a gripping part and a driving device, and the gripping part is connected with the driving end of the driving device;
the pneumatic expansion claw is connected with the plug clamp, and a holding part of the plug clamp is opposite to one end of the conveying pipe;
a piston is arranged in the conveying pipe, and the plurality of plugs are accommodated between one end of the conveying pipe and the piston;
the other end of the conveying pipe is connected with an air pump, and the air pump drives the piston to push the plugs to move towards one end of the gas conveying pipe under the condition that the air pump blows air into the conveying pipe, so that the plug which extends out of one end of the gas conveying pipe firstly enters the holding part and then is held by the holding part;
the driving device can drive the gripping part to move to be staggered with one end opening of the conveying pipe, so that the plug gripped by the gripping part can be taken away by the pipe plugging device.
2. The split plug transfer device of claim 1, wherein the gripping portion is a hollow cylinder, and the inner wall of the gripping portion is provided with a plurality of spring structures for clamping the plug entering the gripping portion.
3. The split plug delivery device of claim 1, wherein the air pump draws air from the other end of the delivery tube to drive the piston towards the other end of the delivery tube, and the plurality of plugs in the delivery tube fall back under the action of gravity.
4. The split plug transport device of claim 1, wherein the drive means comprises a plurality of drive rods parallel to each other, each drive rod having one end connected to the grip portion;
the driving device can drive the gripping part to horizontally move through the plurality of driving rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621968.2A CN114596974A (en) | 2021-12-28 | 2021-12-28 | Split type end cap transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621968.2A CN114596974A (en) | 2021-12-28 | 2021-12-28 | Split type end cap transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114596974A true CN114596974A (en) | 2022-06-07 |
Family
ID=81803534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111621968.2A Pending CN114596974A (en) | 2021-12-28 | 2021-12-28 | Split type end cap transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114596974A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2407153A1 (en) * | 1977-10-25 | 1979-05-25 | Inst Truboprovodnym Konteine | Braking containers of pneumatic tube transport installations - using flow-restricting hole with by-pass valve operated by control system |
| CN1031295A (en) * | 1987-08-11 | 1989-02-22 | 高温反应器制造股份公司 | Packing into and unloading method of low capacity gas-cooled nuclear reactor device and such nuclear reactor plant operating element |
| EP0508049A1 (en) * | 1991-04-09 | 1992-10-14 | Techno Mark Ag | Pneumatic tube station |
| US20040023775A1 (en) * | 2002-07-31 | 2004-02-05 | Ronald Cortigiano | Modular tube system for feeding sliders to slider insertion device |
| CN102807098A (en) * | 2011-06-02 | 2012-12-05 | 江苏永钢集团有限公司 | Automatic iron-nail feeding device |
| CN103170817A (en) * | 2011-12-26 | 2013-06-26 | 核动力运行研究所 | Drilling type plugged pipe taking device |
| WO2013163475A1 (en) * | 2012-04-25 | 2013-10-31 | Holtec International, Inc. | Nuclear steam supply system |
| JP2015004018A (en) * | 2013-06-21 | 2015-01-08 | 株式会社東芝 | Work apparatus support device and support method thereof |
| CN205083259U (en) * | 2015-11-04 | 2016-03-16 | 嵊州市海贝厨卫电器有限公司 | Steam generator of electric steaming case with prevent dry combustion method function |
| CN108269635A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of steam generator heat-transfer pipe mechanical roller expanding plugging apparatus system |
| CN109116437A (en) * | 2018-06-07 | 2019-01-01 | 云和漫行者玩具有限公司 | A kind of falling film evaporator plugging fault detection device |
| CN208830981U (en) * | 2018-07-26 | 2019-05-07 | 中国石油天然气股份有限公司 | Gas injection pressure-stabilizing device and gas injection tube column |
| CN212962994U (en) * | 2020-05-29 | 2021-04-13 | 中核武汉核电运行技术股份有限公司 | Plug for heat transfer pipe of heat exchanger |
-
2021
- 2021-12-28 CN CN202111621968.2A patent/CN114596974A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2407153A1 (en) * | 1977-10-25 | 1979-05-25 | Inst Truboprovodnym Konteine | Braking containers of pneumatic tube transport installations - using flow-restricting hole with by-pass valve operated by control system |
| CN1031295A (en) * | 1987-08-11 | 1989-02-22 | 高温反应器制造股份公司 | Packing into and unloading method of low capacity gas-cooled nuclear reactor device and such nuclear reactor plant operating element |
| EP0508049A1 (en) * | 1991-04-09 | 1992-10-14 | Techno Mark Ag | Pneumatic tube station |
| US20040023775A1 (en) * | 2002-07-31 | 2004-02-05 | Ronald Cortigiano | Modular tube system for feeding sliders to slider insertion device |
| CN102807098A (en) * | 2011-06-02 | 2012-12-05 | 江苏永钢集团有限公司 | Automatic iron-nail feeding device |
| CN103170817A (en) * | 2011-12-26 | 2013-06-26 | 核动力运行研究所 | Drilling type plugged pipe taking device |
| WO2013163475A1 (en) * | 2012-04-25 | 2013-10-31 | Holtec International, Inc. | Nuclear steam supply system |
| JP2015004018A (en) * | 2013-06-21 | 2015-01-08 | 株式会社東芝 | Work apparatus support device and support method thereof |
| CN205083259U (en) * | 2015-11-04 | 2016-03-16 | 嵊州市海贝厨卫电器有限公司 | Steam generator of electric steaming case with prevent dry combustion method function |
| CN108269635A (en) * | 2016-12-30 | 2018-07-10 | 核动力运行研究所 | A kind of steam generator heat-transfer pipe mechanical roller expanding plugging apparatus system |
| CN109116437A (en) * | 2018-06-07 | 2019-01-01 | 云和漫行者玩具有限公司 | A kind of falling film evaporator plugging fault detection device |
| CN208830981U (en) * | 2018-07-26 | 2019-05-07 | 中国石油天然气股份有限公司 | Gas injection pressure-stabilizing device and gas injection tube column |
| CN212962994U (en) * | 2020-05-29 | 2021-04-13 | 中核武汉核电运行技术股份有限公司 | Plug for heat transfer pipe of heat exchanger |
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