CN214087307U - Nuclear power station radioactive substance hoisting accessory - Google Patents
Nuclear power station radioactive substance hoisting accessory Download PDFInfo
- Publication number
- CN214087307U CN214087307U CN202023043393.4U CN202023043393U CN214087307U CN 214087307 U CN214087307 U CN 214087307U CN 202023043393 U CN202023043393 U CN 202023043393U CN 214087307 U CN214087307 U CN 214087307U
- Authority
- CN
- China
- Prior art keywords
- nuclear power
- shielding structure
- radiation shielding
- radioactive
- lifting
- 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.)
- Active
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a nuclear power station radioactive article hoisting accessory, include perpendicular hoist and install the telescopic machanism on perpendicular hoist, wherein, install the radiation shielding structure who is equipped with the chamber of acceping that is used for acceping the radioactive article on the perpendicular hoist, the radioactive article can be along acceping chamber relative motion under the telescopic machanism drive. Compared with the prior art, the utility model discloses nuclear power station radioactive substance hoisting accessory has effectively solved the radiation problem to the surrounding environment among the radioactive substance hoisting process through setting up radiation shielding structure, has reduced the risk that operating personnel suffered the radiation.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power, more specifically say, the utility model relates to a nuclear power station radioactive substance hoisting accessory.
Background
At present, radioactive articles are often required to be lifted and transported in the operation process of a nuclear power station, and a lifting device is generally directly adopted to lift the radioactive articles in the prior art.
However, the lifting device in the prior art is usually only provided with a vertical lifting device and a telescopic mechanism installed on the vertical lifting device, and the radioactive articles cannot be effectively shielded by radiation in the lifting and transferring processes of the radioactive articles, so that not only can the environment be polluted, but also the operators can be injured by radiation.
In view of the above, it is necessary to provide a lifting device for radioactive articles in a nuclear power plant, which can effectively shield the radioactive articles from radiation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the defects of the prior art are overcome, and the lifting device for the radioactive articles of the nuclear power station, which can effectively shield the radioactive articles from radiation, is provided.
In order to achieve the above object, the present invention provides a lifting device for radioactive articles in a nuclear power station, including a vertical lifting device and a telescopic mechanism installed on the vertical lifting device, wherein the vertical lifting device is installed with a radiation shielding structure having an accommodating cavity for accommodating radioactive articles, and the radioactive articles are driven by the telescopic mechanism to move relatively along the accommodating cavity.
As an improvement of the lifting device for the radioactive articles in the nuclear power station, the vertical lifting device is provided with a suspension arm, and the radiation shielding structure is installed on the suspension arm.
As the utility model discloses nuclear power station radioactive substance hoisting accessory's a improvement, be equipped with the mounting hole on the davit, radiation shielding structure is equipped with the lifting trunnion, the lifting trunnion is installed in the mounting hole.
As an improvement of the lifting device for the radioactive articles in the nuclear power station, the suspension arm is provided with a baffle which is fastened on the suspension arm through screws and clamped to lift the trunnion.
As an improvement of the lifting device for the radioactive articles in the nuclear power station, the suspension arm is located at two sides of the radiation shielding structure and can swing relative to the radiation shielding structure.
As an improvement of the lifting device for the radioactive articles in the nuclear power station, the radiation shielding structure is made of steel or lead-filled material.
As an improvement of the lifting device for the radioactive articles in the nuclear power station, the outside of the radiation shielding structure is coated with neutron absorbing materials.
As an improvement of the lifting device for the radioactive articles in the nuclear power plant, the radiation dose rate distribution corresponding to the radioactive articles, and the radiation shielding structure has different thicknesses along the length direction.
As an improvement of the lifting device for the radioactive articles in the nuclear power station, the radiation shielding structure is provided with a rotating shaft.
As an improvement of the lifting device for the radioactive articles in the nuclear power station, the telescopic mechanism is an electric hoist or a lifting mechanism.
Compared with the prior art, the utility model discloses nuclear power station radioactive substance hoisting accessory has effectively solved the radiation problem of radioactive substance hoist and mount in-process to the surrounding environment through setting up radiation shielding structure, has reduced the risk that operating personnel suffered the radiation, simple structure, operation safety.
Drawings
The following detailed description is made on the lifting device for radioactive materials in a nuclear power plant and the technical effects thereof with reference to the accompanying drawings and the specific embodiments, wherein:
fig. 1 is the structure schematic diagram of the lifting device for radioactive articles in the nuclear power station of the present invention.
Fig. 2 is the structure schematic diagram of the vertical lifting appliance of the lifting appliance for the radioactive articles in the nuclear power station of the present invention.
Fig. 3 is the structure schematic diagram of the radiation shielding structure of the hoisting device for the radioactive articles in the nuclear power station of the present invention.
Reference numerals
A vertical hanger-10; a crane hanging shaft-100; a spreader frame-102; a telescopic mechanism hanging shaft-104; boom-106; -108, a baffle plate; a screw-110;
a telescoping mechanism-20;
radiation shielding structure-30; a shield-300; lifting trunnion-302; a rotation axis-304; a housing chamber-306;
radioactive material-40.
Detailed Description
In order to make the purpose, technical solution and technical effect of the present invention clearer, the following description will proceed with further detailed description in conjunction with the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and not limitation.
Referring to fig. 1 to 3, the present invention provides a lifting device for radioactive articles in a nuclear power plant, which includes a vertical lifting tool 10 and a telescoping mechanism 20 installed on the vertical lifting tool 10, wherein a radiation shielding structure 30 having an accommodating cavity 306 for accommodating the radioactive articles 40 is installed on the vertical lifting tool 10, and the radioactive articles 40 move relatively along the accommodating cavity 306 under the driving of the telescoping mechanism 20.
Referring to fig. 2, the vertical spreader 10 includes a crane spreader 100, a spreader frame 102, and a telescoping mechanism spreader 104. The vertical spreader 10 is provided with a pair of booms 106, the booms 106 being located on either side of the radiation shielding structure 30 and being swingable relative to the radiation shielding structure 30 for connecting the radiation shielding structure 30. In the embodiment shown in fig. 2, the boom 106 is provided with a mounting hole, the radiation shielding structure 30 is correspondingly provided with a lifting trunnion 302, the lifting trunnion 302 is mounted in the mounting hole, and the radiation shielding structure 30 is hung under the vertical hanger 10 through the boom 106. According to a preferred embodiment of the present invention, a baffle 108 is provided on the boom 106, and the baffle 108 is fastened to the boom 108 by screws 110 and clamps the lifting trunnion 302.
Referring to fig. 1, a telescopic mechanism hanging shaft 104 is provided at the middle bottom of the vertical hanger 10, and can be connected with a hook of the telescopic mechanism 20, the telescopic mechanism 20 is hung and buckled on the telescopic mechanism hanging shaft 104 of the vertical hanger 10, and the internal radioactive articles 40 are hung under the telescopic mechanism 20. It is understood that the telescoping mechanism 20 may be a commercially available product, such as a motorized hoist or a specially designed lifting mechanism, for lifting the radioactive article 40 into the receiving cavity 306 of the radiation shielding structure 30 without releasing the radioactivity outwardly to protect the safety of the operator. When the desired position is reached, the telescoping mechanism 20 can be activated again to lower the radioactive articles 40 therein to the desired position.
Referring to fig. 3, the radiation shielding structure 30 includes a shielding body 300 having a receiving cavity 306, a lifting trunnion 302, and a rotating shaft 304, wherein the lifting trunnion 302 is used for being mounted on the boom 106 for a lifting operation, and the rotating shaft 304 is used for turning the whole radiation shielding structure 30 from horizontal to vertical or vertical to horizontal when in operation.
The radiation shielding structure 30 serves to shield the radioactivity (gamma radiation or neutron radiation) of the internal radioactive member 40 to protect the safety of the operator. For example, according to one embodiment of the present invention, the radiation shielding structure 30 may be a relatively thick steel structure or a lead-filled structure in order to shield gamma radiation from the internal radioactive articles 40; in order to shield the interior radioactive articles 40 from neutron radiation, the outside of the radiation shielding structure 30 may be coated with a neutron absorbing material; in addition, a structure with different thicknesses can be provided according to the radiation dose rate distribution of the internal radioactive articles 40.
The following detailed description of the operation process of the lifting device for radioactive materials in a nuclear power plant according to the present invention is described with reference to fig. 1 to 3:
first, the crane hook hooks the crane shaft 100 of the vertical spreader 10, and the boom 106 is connected to the lifting trunnion 302 and clamped by the clamp 108. To prevent the lifting trunnion 302 from backing out, the retainer 108 is locked with the screw 110;
then, the lifted radiation shielding structure 30 is moved to the position of the internal radioactive article 40 to be lifted, the radiation shielding structure 30 is slowly lowered to a designated position, the telescopic mechanism 20 is lowered to hook the internal radioactive article 40, the telescopic mechanism 20 is slowly lifted, and the telescopic mechanism 20 drives the radioactive article 40 to be lifted into the accommodating cavity 306 in the radiation shielding structure 30, so as to shield the radioactivity of the lifted object in the lifting process.
And finally, hoisting the integral structure to a specified position, and putting the internal radioactive articles 40 down for the next operation.
From above to the detailed description of the embodiment of the utility model discloses, for prior art, the utility model discloses nuclear power station radioactive article hoisting accessory has effectively solved the radiation problem to the surrounding environment among the radioactive article 40 hoisting process through setting up radiation shielding structure 30, has reduced the risk that operating personnel suffered radiation, simple structure, operation safety.
According to the above principle, the present invention can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The lifting device for the radioactive articles in the nuclear power station comprises a vertical lifting appliance and a telescopic mechanism arranged on the vertical lifting appliance, and is characterized in that a radiation shielding structure provided with an accommodating cavity for accommodating the radioactive articles is arranged on the vertical lifting appliance, and the radioactive articles move relatively along the accommodating cavity under the driving of the telescopic mechanism.
2. The nuclear power plant radioactive product hoisting device according to claim 1, wherein the vertical hoist is provided with a boom on which the radiation shielding structure is mounted.
3. The nuclear power plant radioactive product lifting device according to claim 2, wherein the lifting arm is provided with a mounting hole, the radiation shielding structure is provided with a lifting trunnion, and the lifting trunnion is mounted in the mounting hole.
4. The nuclear power plant radioactive product lifting device according to claim 3, wherein the suspension arm is provided with a baffle plate, and the baffle plate is fastened to the suspension arm through screws and clamps the lifting trunnion.
5. The nuclear power plant radioactive product hoisting device according to claim 2, wherein the boom is located on both sides of the radiation shielding structure and can swing relative to the radiation shielding structure.
6. The nuclear power plant radioactive product hoisting device according to claim 1, wherein the radiation shielding structure is made of steel or a lead-impregnated material.
7. The nuclear power plant radioactive product hoisting device according to claim 6, wherein the radiation shielding structure is coated with a neutron absorbing material on the outside.
8. The nuclear power plant radioactive article hoisting device according to claim 6, wherein the radiation shielding structure has different thicknesses along a length direction corresponding to a radiation dose rate distribution of the radioactive article.
9. The nuclear power plant radioactive product hoisting device according to claim 1, wherein a rotating shaft is provided on the radiation shielding structure.
10. The nuclear power plant radioactive product hoisting device according to any one of claims 1 to 9, wherein the telescopic mechanism is an electric hoist or a lifting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023043393.4U CN214087307U (en) | 2020-12-16 | 2020-12-16 | Nuclear power station radioactive substance hoisting accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023043393.4U CN214087307U (en) | 2020-12-16 | 2020-12-16 | Nuclear power station radioactive substance hoisting accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214087307U true CN214087307U (en) | 2021-08-31 |
Family
ID=77428462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023043393.4U Active CN214087307U (en) | 2020-12-16 | 2020-12-16 | Nuclear power station radioactive substance hoisting accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214087307U (en) |
-
2020
- 2020-12-16 CN CN202023043393.4U patent/CN214087307U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0188321B1 (en) | Pivotably mounted reactor shroud shield | |
| CN214087307U (en) | Nuclear power station radioactive substance hoisting accessory | |
| CN108689299B (en) | The dilatation of million kilowatt Spent Fuel Pool removes overturning technique with old screen work | |
| GB1461564A (en) | Apparatus for exchanging fuel elements or control rods in a nuclear reactor | |
| CN217996591U (en) | Small-size lifting device | |
| CN214167160U (en) | Remote control mobile lifting equipment and system | |
| CN220168527U (en) | Totally-enclosed belt protective cover | |
| CN208561618U (en) | The old screen work turning tool of million kilowatt nuclear power factory Spent Fuel Pool dilatation | |
| CN216353396U (en) | Radioactive source inverted operation table | |
| CN218560828U (en) | Special lifting appliance for electrical equipment production | |
| CN214864612U (en) | Automobile bumper coating production line | |
| CN220334607U (en) | Suspension type folding arm and crane | |
| CN109987517A (en) | A kind of lifting crane increasing safety coefficient | |
| US5084233A (en) | Reactor head shielding apparatus | |
| CN219636690U (en) | Vacuum suction crane | |
| CN221051530U (en) | Hanging basket lifting device for spider car | |
| CN221116668U (en) | Hoisting frame | |
| JPH03102191A (en) | Door device for vacuum heat treating furnace | |
| CN210655953U (en) | Freight transportation hoisting appliance with adjusting mechanism | |
| CN216155337U (en) | Safety supporting facility for hoisting and suspending large cast steel molding sand box | |
| CN219408928U (en) | Unhooking-preventing crane grab | |
| CN208617238U (en) | A kind of catching device mounting structure | |
| CN220258416U (en) | Loading attachment is used in spraying of glass fiber board | |
| CN211733229U (en) | Be used for rotary kiln line to hang reinforced protector of hoist and mount flexible container | |
| CN210001438U (en) | Lifting appliance and material handling equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |