CN216543069U - Installation tool for limiting device of spent fuel dry-method concrete storage module container - Google Patents
Installation tool for limiting device of spent fuel dry-method concrete storage module container Download PDFInfo
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- CN216543069U CN216543069U CN202122807951.8U CN202122807951U CN216543069U CN 216543069 U CN216543069 U CN 216543069U CN 202122807951 U CN202122807951 U CN 202122807951U CN 216543069 U CN216543069 U CN 216543069U
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- spent fuel
- motor
- cantilever
- limiting device
- gripper
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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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Abstract
The utility model belongs to the technical field of nuclear power stations, and particularly relates to a mounting tool for a limiting device of a spent fuel dry-method storage concrete module container, wherein a movable base is designed to adjust the position of a cantilever until the cantilever is placed at a designated position, so that a gripper can conveniently grab the limiting device; the position of the hand grip can be adjusted to be right above the limiting clamping seat by rotating the cantilever; the gripper can be lowered to the position right above the limiting clamping seat through the steel wire force arm, and the gripper is opened or locked, so that the limiting device can be seated in the limiting clamping seat; through long-range control to tongs device, can reduce the radiation exposure dose that personnel received near high dose region, the radiation dose that has significantly reduced the staff satisfies the radiation protection optimization principle.
Description
Technical Field
The application belongs to the technical field of nuclear power stations, and particularly relates to a mounting tool for a limiting device of a spent fuel dry-method storage concrete module container.
Background
The nuclear power station can constantly produce the spent fuel subassembly at the operation in-process of continuing to generate electricity, and the nuclear power station is used for storing the spent fuel spent pool volume limit of building at the initial stage of construction, in order to guarantee that the nuclear power station unit can normal operating, the nuclear power station need regularly transport away the spent fuel subassembly that burns in the spent fuel pool, makes the spent fuel pool have sufficient volume and is used for storing the newly-produced spent fuel.
The existing domestic nuclear power station mainly adopts a spent fuel dry storage operation process to store a spent fuel assembly in a dry method. With the gradual introduction, digestion and absorption and implementation of the spent fuel dry storage process in the domestic nuclear power industry, the operation, maintenance and correction of the spent fuel dry storage process equipment become more important.
In the implementation process of the spent fuel dry storage process, firstly, a transfer container provided with a sealed storage container is placed at the bottom of a spent fuel pool, then 31 spent fuel assemblies are sequentially grabbed by a refueling machine, then the spent fuel assemblies in the spent fuel pool are grabbed to a spent fuel storage grid frame inside the sealed storage container by a manipulator, and then the spent fuel assemblies are loaded into a sealed storage tank. And then placing the shielding plug into a sealed storage tank, placing the inner cover plate and the outer cover plate into the sealed storage tank, sequentially performing welding operation, and finally transporting the sealed storage tank to a dry method storage field to be stored in a concrete module (HSM).
In the implementation process of the dry storage process, when the sealed storage tank is pushed into the HSM, a container limiting device is required to be arranged for preventing the sealed storage tank from moving in the HSM. At the present stage, personnel of the container limiting device need to approach and install the container limiting device, the personnel need to climb a ladder to expose most of the area of the body to the door of the HSM door, the radioactivity level of the spent fuel assemblies is about 60mSv/h due to the fact that the sealed storage tank is loaded with the spent fuel assemblies which are not fully exhausted, the door of the HSM door is located in a high-dose radiation area, at the moment, the personnel can generate large psychological pressure, and risks of injury and working errors of the personnel are high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a spent fuel dry method storage concrete module container stop device mounting tool, solve present stage personnel and need step up ladder installation container stop device, expose the gate at the HSM door with the most area of health, and the HSM gate is in high dose radiation area, and the staff can produce great psychological pressure, has the problem of great personnel injury and the risk of working error.
The technical scheme for realizing the purpose of the application is as follows:
the application provides a spent fuel dry method storage concrete module container stop device mounting tool includes: the device comprises a base, a cantilever, a control assembly and a gripper;
one end of the cantilever is fixed with the base, and the other end of the cantilever is fixed with the gripper;
the cantilever is used for conveying the gripper to the position above the limiting clamping seat of the concrete module;
the control assembly is connected with the hand grip and is used for controlling the gripping and releasing of the hand grip;
the gripper is used for gripping the container limiting device and placing the container limiting device in the limiting clamping seat.
Alternatively to this, the first and second parts may,
the control assembly is further used for controlling the cantilever to act so as to convey the gripper to the position above the limiting clamping seat of the concrete module.
Optionally, the installation tool further includes: a turntable;
one end of the cantilever is fixed with the base through the turntable.
Optionally, the control assembly includes: the device comprises a controller, a control cable, a first motor, a second motor and a steel wire force arm;
the controller, the first motor and the second motor are all positioned in a control box inside the base;
the controller is connected with the first motor and the second motor through the control cable;
the first motor is connected with the hand grip through the steel wire force arm; the second motor is connected with the rotary disc;
the controller is used for controlling the first motor to act so that the first motor drives the gripper to grab or release through the steel wire force arm; and the control device is also used for controlling the second motor to act so as to rotate the turntable.
Optionally, a universal wheel is arranged on the base;
the control assembly is further connected with the universal wheel and used for controlling the universal wheel to rotate so as to enable the installation tool to move.
Optionally, an infrared sensor is arranged on the front side of the base;
the control assembly is further connected with the infrared sensor and used for receiving data fed back by the infrared sensor and controlling the universal wheel to be locked according to the fed-back data.
Optionally, the hand grip is made of an anti-slip material.
Optionally, the installation tool further includes: a remote controller;
the remote controller is connected with the control assembly in a remote control mode and used for operating the control assembly through the remote controller to control the grabbing and releasing of the hand grab.
The beneficial technical effect of this application lies in:
(1) the application provides a mounting tool for a limiting device of a spent fuel dry method concrete storage module container, wherein the position of a cantilever is adjusted by designing a movable base until the cantilever is placed at a designated position, so that a gripper can conveniently grab the limiting device; the position of the hand grip can be adjusted to be right above the limiting clamping seat by rotating the cantilever; the gripper can be lowered to the position right above the limiting clamping seat through the steel wire force arm, and the gripper is opened or locked, so that the limiting device can be seated in the limiting clamping seat; through long-range control to tongs device, can reduce the radiation exposure dose that personnel received near high dose region, the radiation dose that has significantly reduced the staff satisfies the radiation protection optimization principle.
(2) The application provides a spent fuel dry method storage concrete module container stop device mounting tool adopts electrically controlled device control steel wire tongs, can guarantee that container stop device safety stops on the tongs, and electrically controlled device easily maintains, has reduced the cost of maintenance of equipment.
Drawings
Fig. 1 is a schematic structural diagram of a mounting tool for a spent fuel dry-method storage concrete module container limiting device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of another installation tool for a spent fuel dry storage concrete module container limiting device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a remote controller in an installation tool for a spent fuel dry storage concrete module container limiting device according to an embodiment of the present application.
In the figure:
1-a base; 11-a turntable; 12-a universal wheel; 13-an infrared sensor;
2-a cantilever;
3, gripping the hand; 31-steel wire moment arm;
4-a concrete module; 41-a limiting clamping seat;
5-a container limiting device;
6-remote controller; 61-left rocker; 62-trolley control buttons; 62-a handle switch; 64-a control antenna;
65-cantilever control button; 66-right rocker; 67-universal wheel locking button; 68-grip control buttons.
Detailed Description
In order to make the technical solutions in the embodiments of the present application more comprehensible to those skilled in the art, the following description will be made in detail and completely with reference to the accompanying drawings in the embodiments of the present application. It should be apparent that the embodiments described below are only some of the embodiments of the present application, and not all of them. All other embodiments that can be derived by a person skilled in the art from the embodiments described herein without inventive step are within the scope of the present application.
In order to solve the prior art problem, the embodiment of the application provides a spent fuel dry method storage concrete module container stop device mounting tool, and the front end utilizes the tongs to get stop device and puts, is fixed in the HSM side through the bottom tray, can effectually reduce personnel and receive the exposure dose, simplifies operation flow, ensures that personnel's radiation level can be at the level of reasonable feasible as far as possible low.
Based on the above, in order to clearly and specifically explain the above advantages of the present application, the following description of the embodiments of the present application will be made with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, the drawing is a schematic structural diagram of a mounting tool for a spent fuel dry storage concrete module container limiting device according to an embodiment of the present application.
The utility model provides a spent fuel dry method storage concrete module container stop device mounting tool who provides includes: a base 1, a boom 2, a control assembly (not shown in the figures) and a hand grip 3;
one end of the cantilever 2 is fixed with the base 1, and the other end of the cantilever 2 is fixed with the gripper 3;
the cantilever 2 is used for conveying the gripper 3 to the position above the limiting clamping seat 41 of the concrete module 4;
the control component is connected with the gripper 3 and is used for controlling the gripping and releasing of the gripper 3;
and the gripper 3 is used for gripping the container limiting device 5 and placing the container limiting device 5 inside the limiting clamping seat 41.
In some possible implementations of the embodiment of the present application, the control component is further configured to control the cantilever 2 to move so as to send the gripper 3 to the position above the position-limiting clamping seat 41 of the concrete module 4.
As an example, the installation tool may further include: a turntable 11;
one end of the cantilever 2 is fixed with the base 1 through a turntable 11.
In this application embodiment, fix cantilever 2 through a base 1 to at the fixed baseplate 1 upper portion installation carousel 11 make cantilever 2 rotate, cantilever 2 below set up a tongs 3 and snatch and place container stop device 5, guaranteed staff's safety, reduced personnel's collective radiation dose. In one example, the base 1 and the cantilever 2 are made of stainless steel, so that the base and the cantilever have good corrosion resistance.
In some possible implementation manners of the embodiment of the present application, the control component may specifically include: a controller (not shown), a control cable (not shown), a first motor (not shown), a second motor (not shown), and a wire lever arm 31;
the controller, the first motor and the second motor are all positioned in a control box in the base 1;
the controller is connected with the first motor and the second motor through a control cable;
the first motor is connected with the hand grip 3 through a steel wire force arm 31; the second motor is connected with the rotating disc 11;
the controller is used for controlling the first motor to act so that the first motor drives the gripper 3 to grab or release through the steel wire force arm 31; and is also used for controlling the action of the second motor so as to rotate the turntable 11.
In this application embodiment, use first motor and steel wire arm of force 31 to control tongs 3, when guaranteeing to use tongs 3 to snatch the locating pin, the locating pin can be safe firm stop on tongs 3. The worker adjusts the position of the hand grip 3 to a designated area through the cantilever 2, and when the worker confirms that the container limiting device 5 gripped by the hand grip 3 is right above the HSM limiting clamping seat 41 at a remote place, the hand grip 3 is zoomed and contracted to be seated in the limiting clamping seat 41, and the limiting pin placing work is completed.
As an example, the grip 3 is made of a non-slip material. The specific material of the anti-slip material is not limited in the embodiment of the application, and can be selected by a person skilled in the art according to actual needs, which are not listed one by one.
In some possible implementations of the embodiment of the present application, as shown in fig. 1 and fig. 2, a universal wheel 12 is disposed on the base 11;
the control assembly is also connected to the universal wheel 12 for controlling rotation of the universal wheel 12 to move the installation tool.
As an example, the number of the universal wheels 12 is 4, and the universal wheels 12 are provided with self-locking devices. 4 universal wheels 12 with self-locking devices are arranged on the base 1 and driven by a control assembly, so that the mounting tool of the limiting device of the fuel dry-method storage concrete module container can be controlled to move the position of the limiting device, the safety of workers is guaranteed, and the collective radiation dose of the workers is reduced.
In some possible implementation manners of the embodiment of the application, in order to prevent collision and ensure that the gripper 3 is sent to the position above the limiting clamping seat 41 of the concrete module 4, as shown in fig. 2, an infrared sensor 13 is arranged on the front side of the base 1;
the control assembly is also connected with the infrared sensor 13 and is used for receiving data fed back by the infrared sensor 13 and controlling the universal wheel 12 to be locked according to the fed back data.
In one example, the mobile base is composed of 4 universal wheels 12 with self-locking and a control component, the control component further comprises a controller and an asynchronous driving motor, the controller converts signals into electric energy to be transmitted to the asynchronous driving motor, and then the asynchronous driving motor converts the electric energy into mechanical energy to be transmitted to the universal wheels 12, so that the movement of the base 1 and the self-locking of the universal wheels 12 are controlled.
It can be understood that, when the infrared sensor 13 at the front end of the base 1 collects that the distance from the base 1 to the obstacle is less than a certain set value, the control assembly controls the universal wheel 12 to automatically decelerate and lock, so as to prevent the container limiting device 5 from colliding or falling into the HSM due to the fact that the base 1 does not move to a specified position, and therefore workers need to manually pick up the container limiting device 5, and irradiation risks are generated.
In some possible implementations of the embodiment of the present application, as shown in fig. 3, the installation tool for a spent fuel dry storage concrete module container limiting device further includes: a remote controller 6;
the remote controller 6 is connected with the control assembly in a remote control mode and is used for controlling the grabbing and releasing of the hand grab by operating the control assembly through the remote controller 6.
As an example, four buttons are provided on the remote controller 6, a grip control button 68, a cantilever control button 65, a universal wheel lock button 67, and a cart control button 62. When the trolley control button 62 is pressed, the remote controller 6 starts a trolley control mode, the left rocker 61 controls the advancing direction of the base 1, and the right rocker 66 controls the accelerator of the base 1; when the cantilever control button 65 is pressed, when the remote controller 6 starts a cantilever control mode, the left rocker 61 controls the cantilever 2 to rotate in the horizontal direction, and the right rocker 66 controls the cantilever 2 to stretch in the vertical direction; when the gripper control button 67 is pressed down, the remote controller 6 starts a gripper control mode, the right rocker 66 controls the gripper 3 to stretch, and the left rocker 62 controls the gripper 3 to loosen or lock; when the universal wheel locking button 67 is pressed, the universal wheel 12 is locked.
The present application has been described in detail with reference to the drawings and examples, but the present application is not limited to the above examples, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application. The prior art can be used for all the matters not described in detail in this application.
Claims (8)
1. The utility model provides a spent fuel dry method storage concrete module container stop device mounting tool which characterized in that, mounting tool includes: the device comprises a base, a cantilever, a control assembly and a gripper;
one end of the cantilever is fixed with the base, and the other end of the cantilever is fixed with the gripper;
the cantilever is used for conveying the gripper to the position above the limiting clamping seat of the concrete module;
the control assembly is connected with the hand grip and is used for controlling the gripping and releasing of the hand grip;
the gripper is used for gripping the container limiting device and placing the container limiting device in the limiting clamping seat.
2. The installation tool for a spent fuel dry storage concrete module container limiting device according to claim 1, wherein,
the control assembly is further used for controlling the cantilever to act so as to convey the gripper to the position above the limiting clamping seat of the concrete module.
3. The installation tool for a spent fuel dry storage concrete module container limiting device according to claim 2, further comprising: a turntable;
one end of the cantilever is fixed with the base through the turntable.
4. The spent fuel dry storage concrete module container spacing device installation tool of claim 3, wherein the control assembly comprises: the device comprises a controller, a control cable, a first motor, a second motor and a steel wire force arm;
the controller, the first motor and the second motor are all positioned in a control box inside the base;
the controller is connected with the first motor and the second motor through the control cable;
the first motor is connected with the hand grip through the steel wire force arm; the second motor is connected with the rotary disc;
the controller is used for controlling the first motor to act so that the first motor drives the gripper to grab or release through the steel wire force arm; and the control device is also used for controlling the second motor to act so as to rotate the turntable.
5. The installation tool for the spent fuel dry storage concrete module container limiting device according to claim 1, wherein universal wheels are arranged on the base;
the control assembly is further connected with the universal wheel and used for controlling the universal wheel to rotate so as to enable the installation tool to move.
6. The installation tool for the spent fuel dry storage concrete module container limiting device according to claim 5, wherein an infrared sensor is arranged on the front side of the base;
the control assembly is further connected with the infrared sensor and used for receiving data fed back by the infrared sensor and controlling the universal wheel to be locked according to the fed-back data.
7. The spent fuel dry storage concrete module container limiting device mounting tool of claim 1, wherein the hand grip is made of an anti-slip material.
8. The installation tool for a spent fuel dry storage concrete module container limiting device according to any one of claims 1 to 7, further comprising: a remote controller;
the remote controller is connected with the control assembly in a remote control mode and used for operating the control assembly through the remote controller to control the grabbing and releasing of the hand grab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807951.8U CN216543069U (en) | 2021-11-16 | 2021-11-16 | Installation tool for limiting device of spent fuel dry-method concrete storage module container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122807951.8U CN216543069U (en) | 2021-11-16 | 2021-11-16 | Installation tool for limiting device of spent fuel dry-method concrete storage module container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216543069U true CN216543069U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122807951.8U Active CN216543069U (en) | 2021-11-16 | 2021-11-16 | Installation tool for limiting device of spent fuel dry-method concrete storage module container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216543069U (en) |
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2021
- 2021-11-16 CN CN202122807951.8U patent/CN216543069U/en active Active
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