CN112692786A - Primary side high water level plugging plate bolt dismounting device of nuclear power station steam generator - Google Patents
Primary side high water level plugging plate bolt dismounting device of nuclear power station steam generator Download PDFInfo
- Publication number
- CN112692786A CN112692786A CN202011610431.1A CN202011610431A CN112692786A CN 112692786 A CN112692786 A CN 112692786A CN 202011610431 A CN202011610431 A CN 202011610431A CN 112692786 A CN112692786 A CN 112692786A
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- primary side
- water level
- high water
- bolt
- air lock
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003904 radioactive pollution Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention particularly relates to a device for dismounting a bolt of a high water level blocking plate at the primary side of a steam generator of a nuclear power station, which comprises an air lock, a positioning bracket and a bolt tightening shaft, wherein the air lock is used for being connected and fixed with an external action part, the other end of the air lock is connected with the positioning bracket, and the bolt tightening shaft is arranged on the positioning bracket. The device for dismounting and mounting the bolts of the primary side high water level plugging plate of the steam generator of the nuclear power station, provided by the invention, can be quickly and conveniently dismounted and mounted on the mechanical arm, the positions of all the bolts on the primary side high water level plugging plate can be reached, the dismounting and mounting of the bolts of the primary side high water level plugging plate can be automatically realized, and the dismounting and mounting process is controlled.
Description
Technical Field
The invention belongs to the field of nuclear industrial robots, and particularly relates to a device for dismounting a bolt of a primary side high water level plugging plate of a steam generator of a nuclear power station.
Background
During nuclear power station reloading overhaul, need keep apart steam generator trunk line through the high water level closure plate of one side to can carry out other maintenance work in the steam generator simultaneously when guaranteeing the high water level of nuclear power station, save the overhaul time. At present, the installation and the removal of a high water level plugging plate at the primary side of a steam generator of a nuclear power station are generally realized by adopting a manual operation mode. The steam generator in the nuclear power station belongs to a high radiation area, the space is relatively closed and narrow, the problem that personnel are irradiated with large dose and the installation quality is greatly influenced by human factors exists in the process of manually disassembling and assembling the high-water-level blocking plate at one time, and a large amount of primary loop water leakage caused by the installation quality of the personnel is caused, so that large-area radioactive pollution of a nuclear island is caused.
Disclosure of Invention
Based on this, it is necessary to provide a nuclear power station steam generator primary side high water level closure plate bolt dismouting device to the personnel that the installation of nuclear power station steam generator primary side high water level closure plate and demolish manual operation exist receive the exposure dose big, and the installation quality receives the great problem of human factor influence, nuclear power station steam generator primary side high water level closure plate bolt dismouting device realizes the automatic centering and the screwing up of the bolt that primary side high water level closure plate circumference was arranged.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a nuclear power station steam generator primary side high water level closure plate bolt dismouting device, includes airlock, locating support and bolt tightening axle, the airlock is used for being connected fixedly with outside action part, the locating support is connected to the airlock other end, the bolt tightening axle is installed on the locating support.
The working principle is as follows: when the device is used, the bolt dismounting device for the primary side high water level blocking plate of the steam generator of the nuclear power station is sent into the primary side water chamber through the manhole of the primary side water chamber through the external action part. When the bolts of the primary side high water level plugging plates on the circumferential direction of the primary side high water level plugging plates are installed, the dismounting device of the primary side high water level plugging plates of the steam generator of the nuclear power station is firstly conveyed to the bolts of the primary side high water level plugging plates through the mechanical arms, and the positioning and dismounting of the bolts of the primary side high water level plugging plates are realized through the positioning support and the bolt tightening shaft.
Further, the air lock comprises an air lock male head and an air lock female head, the air lock male head is used for being connected and fixed with an external action component, the air lock male head is automatically connected and disconnected with the air lock female head, and the air lock female head is connected with the positioning support.
Further, the air lock male head and the air lock female head are a pair of standard parts matched with each other.
Furthermore, the positioning support is inserted into a positioning groove of the primary side high water level blocking plate matched with the positioning support, and the bolt tightening shaft is right opposite to the primary side high water level blocking plate bolt, so that the primary side high water level blocking plate bolt is positioned.
Further, the bolt tightening shaft is an automatic tightening mechanism with a control system, and the control system can control the tightening process.
Further, the bolt tightening shaft is a standard component.
Further, the external action part is a mechanical arm, and the air lock male head is installed on the mechanical arm.
The invention has the beneficial technical effects that:
the device for dismounting and mounting the bolts of the primary side high water level plugging plate of the steam generator of the nuclear power station, provided by the invention, can be quickly and conveniently dismounted and mounted on the mechanical arm, the positions of all the bolts on the primary side high water level plugging plate can be reached, the dismounting and mounting of the bolts of the primary side high water level plugging plate can be automatically realized, and the dismounting and mounting process is controlled.
Drawings
Fig. 1 is a schematic structural view of a primary side high water level blocking plate bolt dismounting device of a nuclear power station steam generator of the present invention.
Fig. 2 is a schematic structural view of a primary side high water level blocking plate according to the present invention.
In the figure:
1. an air-lock male head;
2. an airlock female head;
3. positioning the bracket;
4. screwing a shaft through a bolt;
5. a primary side high water level blocking plate;
6. a limiting groove;
7. the primary side high water level blocking plate bolt.
Detailed Description
In the description of the present invention, it is to be understood that the terms "left end", "right end", "above", "below", "outside", "inside", "upper end", "lower end", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The invention provides a device for dismounting a bolt of a high water level blocking plate at the primary side of a steam generator of a nuclear power station, which comprises an air lock, a positioning bracket 3 and a bolt tightening shaft 4.
The air lock is used for being connected and fixed with an external action part, the other end of the air lock is connected with the positioning support 3, and the bolt tightening shaft 4 is installed on the positioning support 3.
The air lock comprises an air lock male head 1 and an air lock female head 2.
The air lock male head 1 is used for being connected and fixed with an external action part, the air lock male head 1 is automatically connected and disconnected with the air lock female head 2, and the air lock female head 2 is fixedly connected with the positioning support 3.
The air lock male head 1 and the air lock female head 2 are a group of standard components matched with each other.
The positioning bracket 14 is inserted into a positioning groove 16 of the primary side high water level blocking plate 11 matched with the positioning bracket, and the bolt tightening shaft 15 is over against the primary side high water level blocking plate bolt 17, so that the primary side high water level blocking plate bolt 17 is positioned.
The bolt tightening shaft 15 is an automatic tightening mechanism with a control system, and the control system can control tightening processes such as installation torque and screwing amount.
The bolt tightening shaft 15 is a standard component purchased from outsourcing.
The external action part is a mechanical arm, and the air lock male head 1 is installed on the mechanical arm.
When in use, the method comprises the following steps:
and the primary side water chamber manhole is used for feeding the primary side high water level plugging plate bolt dismounting device of the nuclear power station steam generator into the primary side water chamber.
When the primary side high water level blocking plate bolt 7 on the circumferential direction of the primary side high water level blocking plate 5 is installed, the primary side high water level blocking plate bolt dismounting device of the nuclear power station steam generator is firstly conveyed to the position of the primary side high water level blocking plate bolt 7 through the mechanical arm, the positioning support 3 is inserted into the positioning groove 6, the bolt tightening shaft 4 is just opposite to the primary side high water level blocking plate bolt 7, and the positioning of the primary side high water level blocking plate bolt 7 is realized.
After the positioning is finished, the bolt tightening shaft 4 realizes the dismounting action of the primary side high water level plugging plate bolt 7 and controls the dismounting processes such as the mounting moment, the screwing amount and the like.
The device for dismounting the bolts of the high-water-level blocking plate at the primary side of the steam generator of the nuclear power station, provided by the invention, can be quickly and conveniently dismounted on the mechanical arm.
The device for dismounting and mounting the bolts of the primary side high water level plugging plate of the steam generator of the nuclear power station can reach the positions of all the bolts on the primary side high water level plugging plate, and automatically realizes dismounting and mounting of the bolts of the primary side high water level plugging plate.
The bolt dismounting device for the high water level blocking plate at the primary side of the steam generator of the nuclear power station controls the dismounting process.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The bolt dismounting device for the high water level blocking plate on the primary side of the steam generator of the nuclear power station is characterized by comprising an air lock, a positioning support and a bolt tightening shaft, wherein the air lock is used for being connected and fixed with an external action part, the other end of the air lock is connected with the positioning support, and the bolt tightening shaft is installed on the positioning support.
2. The device for dismounting the bolt of the high water level blocking plate on the primary side of the steam generator of the nuclear power station as claimed in claim 1, wherein the air lock comprises an air lock male head and an air lock female head, the air lock male head is used for being connected and fixed with an external action part, the air lock male head is automatically connected and disconnected with the air lock female head, and the air lock female head is connected with the positioning support.
3. The device for disassembling and assembling the bolt of the high water level plugging plate on the primary side of the steam generator of the nuclear power plant as recited in claim 2, wherein the air lock male head and the air lock female head are a pair of standard parts which are matched with each other.
4. The device for dismounting and mounting the bolt of the primary side high water level blocking plate of the steam generator of the nuclear power plant as recited in claim 1, wherein the positioning bracket is inserted into a positioning groove of the primary side high water level blocking plate matched with the positioning bracket, and the bolt tightening shaft is opposite to the bolt of the primary side high water level blocking plate, so that the bolt of the primary side high water level blocking plate is positioned.
5. The device for dismounting and mounting the bolt of the high water level plugging plate on the primary side of the steam generator of the nuclear power plant as claimed in claim 1, wherein the bolt tightening shaft is an automatic tightening mechanism with a control system, and the control system can control the tightening process.
6. The device for dismounting and mounting the bolt of the high water level plugging plate on the primary side of the steam generator in the nuclear power plant as claimed in claim 5, wherein the tightening process comprises mounting torque and screwing amount.
7. The device for dismounting and mounting the bolt of the high water level blocking plate on the primary side of the steam generator of the nuclear power plant as claimed in claim 5, wherein the bolt tightening shaft is a standard component.
8. The device for dismounting and mounting the bolt of the high water level blocking plate on the primary side of the steam generator of the nuclear power plant as claimed in any one of claims 1 to 7, wherein the external action part is a mechanical arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610431.1A CN112692786A (en) | 2020-12-30 | 2020-12-30 | Primary side high water level plugging plate bolt dismounting device of nuclear power station steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610431.1A CN112692786A (en) | 2020-12-30 | 2020-12-30 | Primary side high water level plugging plate bolt dismounting device of nuclear power station steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112692786A true CN112692786A (en) | 2021-04-23 |
Family
ID=75512570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011610431.1A Pending CN112692786A (en) | 2020-12-30 | 2020-12-30 | Primary side high water level plugging plate bolt dismounting device of nuclear power station steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112692786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193490A (en) * | 2021-12-28 | 2022-03-18 | 核动力运行研究所 | Execution end suitable for mechanical arm of high-water-level blocking plate installation machine of steam generator |
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|---|---|---|---|---|
| US4954312A (en) * | 1988-12-15 | 1990-09-04 | Combustion Engineering, Inc. | Remotely installed steam generator nozzle dam system |
| CN202292589U (en) * | 2011-09-29 | 2012-07-04 | 长城汽车股份有限公司 | Oil seal installation tool for engine |
| KR20130003864A (en) * | 2011-07-01 | 2013-01-09 | 박정열 | Robot apparatus for mounting and disassembling the nozzle dam of steam generator in nuclear reactor |
| CN103042499A (en) * | 2013-01-23 | 2013-04-17 | 北京理工大学 | Accurate-positioning large-torque rapid locking device under nuclear environment |
| KR101448038B1 (en) * | 2013-08-07 | 2014-10-10 | 첨단기공 주식회사 | Gripper for installation and removal of nozzle dam's sealing member of the nuclear reactor's steam generator |
| KR101809940B1 (en) * | 2017-05-29 | 2017-12-19 | 첨단기공 주식회사 | Control method for nozzle dam installation and device thereof |
| CN108655990A (en) * | 2017-03-30 | 2018-10-16 | 中电华元核电工程技术有限公司 | A kind of shafting positioning device for the dismounting of nuclear power station water pump |
| CN108747962A (en) * | 2018-07-25 | 2018-11-06 | 三门核电有限公司 | A kind of steam generator closure plate removal tool and method |
| CN110421333A (en) * | 2019-08-12 | 2019-11-08 | 中核检修有限公司深圳分公司 | Side stopboard changer device people and a side stopboard installation method |
| CN111717609A (en) * | 2020-05-13 | 2020-09-29 | 中核武汉核电运行技术股份有限公司 | Carrying platform for steam generator tube plate maintenance and control method |
-
2020
- 2020-12-30 CN CN202011610431.1A patent/CN112692786A/en active Pending
Patent Citations (10)
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|---|---|---|---|---|
| US4954312A (en) * | 1988-12-15 | 1990-09-04 | Combustion Engineering, Inc. | Remotely installed steam generator nozzle dam system |
| KR20130003864A (en) * | 2011-07-01 | 2013-01-09 | 박정열 | Robot apparatus for mounting and disassembling the nozzle dam of steam generator in nuclear reactor |
| CN202292589U (en) * | 2011-09-29 | 2012-07-04 | 长城汽车股份有限公司 | Oil seal installation tool for engine |
| CN103042499A (en) * | 2013-01-23 | 2013-04-17 | 北京理工大学 | Accurate-positioning large-torque rapid locking device under nuclear environment |
| KR101448038B1 (en) * | 2013-08-07 | 2014-10-10 | 첨단기공 주식회사 | Gripper for installation and removal of nozzle dam's sealing member of the nuclear reactor's steam generator |
| CN108655990A (en) * | 2017-03-30 | 2018-10-16 | 中电华元核电工程技术有限公司 | A kind of shafting positioning device for the dismounting of nuclear power station water pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193490A (en) * | 2021-12-28 | 2022-03-18 | 核动力运行研究所 | Execution end suitable for mechanical arm of high-water-level blocking plate installation machine of steam generator |
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| PB01 | Publication | ||
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Application publication date: 20210423 |