CN211788207U

CN211788207U - Storage device for radioactive device

Info

Publication number: CN211788207U
Application number: CN201922382999.1U
Authority: CN
Inventors: 廖勇; 赵春滨; 唐飞; 廖欢; 徐雨婕
Original assignee: Shaanxi Qihang Intelligent Equipment Technology Co ltd; Sichuan Dongfang Longyuan Power Equipment Co ltd
Current assignee: Shaanxi Qihang Intelligent Equipment Technology Co ltd; Sichuan Dongfang Longyuan Power Equipment Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-27
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a radiation device storage device, which comprises a tank body, the jar body passes through connecting pipe intercommunication dust collection bucket, and the pipeline connection vacuum pump is passed through to the lateral wall bottom of dust collection bucket, and the jar body includes the shell, the inside central authorities of shell have cup jointed the storage ball chamber, are provided with the lead shielding layer between the inner wall of storage ball chamber outer wall and casing, and the flange interface at the shell lateral wall is established through the horizontal pipeline intercommunication in storage ball chamber for with other equipment connection of waiting to store components and parts, jar internal portion is located and sets up the shielding plug subassembly directly over the open-ended in storage ball chamber, and the driving assembly is connected to the shielding plug subassembly, and the driving assembly is fixed in the apron surface central authorities of shell, and the last surface screw of apron is fixed with the electrical apparatus shield cover. The utility model discloses a storage device has solved the problem that produces the material easily and leak under the circumstances that current holding vessel is bulky, sealed difficulty and open once more.

Description

Storage device for radioactive device

Technical Field

The utility model belongs to the technical field of radioactive material storage facilities, concretely relates to radiation device storage device.

Background

Radioactive materials and components are widely used in nuclear power, medical treatment, defect detection, and the like. Because of the inherent properties of radioactive materials and components, the nation sets forth a series of standards for the transportation and storage of nuclear fuels. The existing devices for storing radioactive materials store and seal nuclear waste in a normal state, and when nuclear leakage or nuclear accidents are not considered during use, the positioning and matching of a handling robot and a shielding tank are not considered, and the problems that how to load the nuclear waste into the shielding tank and radioactive dust and aerosol escape under the condition that radioactive elements exist in the shielding tank and are opened again are not considered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a radiation device storage device has solved the problem that produces the material easily and leak under the circumstances that current holding vessel is bulky, sealed difficulty and open once more.

The technical proposal adopted by the utility model is that the storage device for the radioactive device comprises a tank body, the tank body is communicated with a dust collecting barrel through a connecting pipe, the bottom of the side wall of the dust collecting barrel is connected with a vacuum pump through a pipeline, the tank body comprises a shell, a ball storage cavity is sleeved in the center of the inner part of the shell, a lead shielding layer is arranged between the outer wall of the ball storage cavity and the inner wall of the shell, the ball storage cavity is communicated with a flange interface arranged on the side wall of the shell through a horizontal pipeline, a upper surface screw fixation has the electrical apparatus shield cover, and inside the drive assembly was located the electrical apparatus shield cover, the electrical apparatus shield cover outer wall was provided with the aviation plug for connect out of cable.

The utility model is also characterized in that,

the support frame is cup jointed to the lateral wall in storage ball chamber, and the inner wall at the shell is fixed to the three landing leg of support frame, and the axis of three landing leg is 45 degrees contained angles with the axis in storage ball chamber.

The opening of the ball storage cavity is fixedly connected with a silver washer along the circumference, and the opening is provided with a groove with a trapezoidal section.

Two linear guide rails are fixedly arranged on the upper portion of the inner side wall of the shell along the axial direction, and the two linear guide rails are arranged oppositely.

The shielding plug assembly comprises a shielding plug, two opposite side walls of the shielding plug are fixedly connected with a sliding block respectively, and each sliding block moves along the axial direction of each corresponding linear guide rail; the shielding plug cover plate is fixedly connected to the surface of the shielding plug, the shielding plug end cap is fixedly connected to the center of the lower surface of the shielding plug cover plate, the shielding plug is located on two sides of the shielding plug end cap inside the shielding plug and is a shielding plug lead layer, and the lower end of the shielding plug end cap is opposite to an opening of the ball storage cavity.

The cross section of the lower end of the shielding plug is trapezoidal.

The drive assembly comprises a motor support fixedly connected to the center of the outer surface of the cover plate, a through type stepping motor is installed at one end of the motor support, a motor lead screw penetrates through the through type stepping motor, one end of the motor lead screw penetrates through the cover plate and is fixedly connected to the upper surface of the cover plate of the shielding plug, the other end of the motor lead screw is fixedly connected with a limiting rod through a screw, a limiting switch support b is fixed to the other end of the motor support through a screw, and a limiting switch b is installed on the limiting switch support b.

The driving assembly further comprises a limit switch support a fixedly connected to the upper surface of the cover plate, the limit switch support a is provided with a limit switch a, the upper surface of the cover plate of the shielding plug is further welded with a limit contact pin, and the motor lead screw stops moving upwards when the limit contact pin penetrates through the cover plate to contact with the limit switch a along with the movement of the shielding plug.

The lower end of the motor screw rod is provided with a strip-shaped hole along the axial direction.

The outer side wall of the shell is symmetrically and fixedly connected with a plurality of support lugs and a plurality of lifting lugs, and the support lugs are positioned below the lifting lugs;

a hand valve is arranged at one end of the upper surface of the cover plate and is connected with the dust collecting barrel through a pipeline.

The beneficial effects of the utility model are that, a radiation device storage device has solved the problem that produces the material easily and leak under the circumstances that current holding vessel is bulky, sealed difficulty and open once more. Due to the design of the lead shielding layer and the shielding plug, the radioactive substances in the tank body cannot radiate the outside, the horizontal pipeline arranged on the upper part of the ball storage cavity in the tank body can be connected with other equipment through the interface to store radioactive elements, and the leakage of the tank body when the tank body is opened can be prevented due to the design of the dust collection chamber.

Drawings

Fig. 1 is a schematic structural view of a storage device for radioactive devices according to the present invention;

fig. 2 is a cross-sectional view of a radiation device storage apparatus of the present invention;

fig. 3 is a partial enlarged view of a motor screw in the storage device of the radiation device of the present invention.

In the drawing, 1, a tank body, 2, a shell, 3, a lead shielding layer, 4, a ball storage cavity, 5, a radioactive device, 6, a silver gasket, 7, an opening, 8, a shielding plug, 9, a linear guide rail, 10, a sliding block, 11, a red copper gasket, 12, a cover plate, 13, a sealing gasket, 14, a hand valve, 15, a limit switch bracket a, 16, a limit contact pin, 17, a limit switch a, 18, an electric appliance shielding cover, 19, a through stepping motor, 20, a motor screw rod, 21, a limit rod, 22, a limit switch b, 23, a limit switch bracket b, 24, a pin, 25, a motor bracket, 26, an O-shaped sealing ring, 27, a shielding plug cover plate, 28, a shielding plug layer, 29, a shielding plug, 34, a strip-shaped hole, 36, a connecting pipe, 37, a dust collection barrel and 38 are arranged in a vacuum pump.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to a storage device for radioactive devices, as shown in figures 1 and 2, comprising a tank body 1, the tank body 1 is communicated with a dust collecting barrel 37 through a connecting pipe 36, the bottom of the side wall of the dust collecting barrel 37 is connected with a vacuum pump 38 through a pipeline, the tank body 1 comprises a shell 2, a ball storage cavity 4 is sleeved in the center of the inner part of the shell 2, a lead shielding layer 3 is arranged between the outer wall of the ball storage cavity 4 and the inner wall of the shell 2, the ball storage cavity 4 is communicated with a flange interface arranged on the side wall of the shell 2 through a horizontal pipeline and is used for being connected with equipment of other components to be stored, a shielding plug component is arranged in the tank body 1 and is positioned right above an opening 7 of the ball storage cavity 4, the shielding plug component is connected with a driving component, the driving component is fixed in the center of the surface of a cover plate 12 of the shell 2, the cover plate 12 is fixed, the driving assembly is located inside the electric appliance shielding case 18, and the outer wall of the electric appliance shielding case 18 is provided with an aviation plug for connecting out a cable.

A support frame is sleeved on the outer side wall of the ball storage cavity 4, three support legs of the support frame are fixed on the inner wall of the shell 2, and the axes of the three support legs and the axes of the ball storage cavity form a 45-degree included angle, so that the ball storage cavity 4 is located in the center of the tank body 1, the thickness of a lead layer around a radioactive source is the same, and the width of each support leg is as narrow as possible while the strength is guaranteed.

The opening 7 of the ball storage cavity 4 is fixedly connected with a silver gasket 6 along the circumference, and the opening 7 is provided with a groove with a trapezoidal section.

Two linear guide rails 9 are fixedly arranged on the upper portion of the inner side wall of the shell 2 along the axial direction, and the two linear guide rails 9 are arranged oppositely.

The shielding plug assembly comprises a shielding plug 8, two opposite side walls of the shielding plug 8 are fixedly connected with a sliding block 10 respectively, and each sliding block 10 moves along the axial direction of each corresponding linear guide rail 9; the surface of the shielding plug 8 is fixedly connected with a shielding plug cover plate 27, the center of the lower surface of the shielding plug cover plate 27 is fixedly connected with a shielding plug 29, the shielding plug lead layers 28 are arranged on two sides of the shielding plug 29 in the shielding plug 8, and the lower end of the shielding plug 29 is just opposite to the opening 7 of the ball storage cavity 4.

The cross section of the lower end of the shielding plug 29 is trapezoidal, and good sealing effect can be achieved with the silver gasket 6.

The drive assembly includes the motor support 25 of rigid coupling in apron 12 surface central authorities, run-through stepper motor 19 is installed to the one end of motor support 25, motor lead screw 20 runs through run-through stepper motor 19, the one end of motor lead screw 20 is passed apron 12 rigid coupling and is being shielded plug cover plate 27 upper surface, the other end of motor lead screw 20 passes through screw fixed connection gag lever post 21, motor support 25's other end screw fixed limit switch support b23, install limit switch b22 on the limit switch support b23, when motor lead screw 20 downstream, when gag lever post 21 contacts limit switch b22, motor lead screw 20 stops the downstream.

The driving assembly further comprises a limit switch bracket a15 fixedly connected to the upper surface of the cover plate 12, a limit switch a17 is mounted on the limit switch bracket a15, the limit switch a17 is connected with the through stepping motor 19, the upper surface of the shield plug cover plate 27 is further connected with a limit contact pin 16, and when the limit contact pin 16 passes through the cover plate 12 along with the movement of the shield plug 8 and contacts with the limit switch a17, the motor screw rod 20 stops moving upwards.

As shown in fig. 3, a strip-shaped hole 34 is axially opened at the lower end of the motor screw rod 20.

A plurality of support lugs and a plurality of lifting lugs are symmetrically and fixedly connected to the outer side wall of the shell 1, and the support lugs are positioned below the lifting lugs;

the hand valve 14 is arranged at one end of the upper surface of the cover plate 12, the hand valve and the hand valve are sealed by the sealing gasket 13, one end of the connecting pipe 36 is connected to the hand valve 14, the other end is connected to the dust collecting barrel 37, and the dust collecting barrel 37 is communicated with the vacuum pump 38 through a pipeline.

The utility model discloses a radiation device storage device's working process as follows: when the shielding device works, the vacuum pump 38 is opened to enable the interior of the tank body 1 to be in a negative pressure state, the through stepping motor 19 is controlled to realize the up-and-down motion of the motor screw rod 20, one end of the motor screw rod 20 is connected with the shielding plug cover plate 27, so that the shielding plug 8 is driven to follow the slider 10 to move up and down along the linear guide rail 9, when the radioactive device 5 is loaded in the ball storage cavity 4, the shielding plug 8 moves down, when the shielding plug 29 contacts the silver gasket 6, the through stepping motor 19 continues to operate until the limiting rod 21 contacts the limiting switch b22, the through stepping motor 19 stops operating (in the process, the motor screw rod 20 cannot be jammed when continuing to move down due to the existence of the screw rod-shaped hole 34), at the moment, the motor screw rod 20 does not bear the pulling force of the shielding plug 8, the gravity of the shielding plug 8 completely acts on the silver gasket 6, the silver washer 6 is soft and can deform to realize sealing, when the shielding plug 8 needs to be opened, the vacuum pump 38 works, dust and the like in the vacuum pump are collected in the dust collection barrel 37, the tank body 1 is in a negative pressure state, so that radioactive gas in the tank body cannot overflow, the through stepping motor 19 rotates to drive the motor lead screw 20 to move upwards, at the beginning, due to the existence of the lead screw strip-shaped hole 34, the shielding plug 8 cannot move upwards immediately, in the lifting process of the shielding plug 8, when the limit contact pin 16 collides with the limit switch a17, the through stepping motor 19 stops running, and at the moment, the shielding plug 8 is lifted to the highest position to realize the opening of the ball storage cavity 4; the electric appliance shielding cover 18 is used for shielding external radiation, preventing electric appliance components from being damaged, the ball storage chamber support frame can ensure that the ball storage chamber can be centered in the lead filling process of the tank body 1, the radiation measurement around the equipment is equal after radioactive substances are filled in the tank body, and meanwhile, the advantage that the ball storage chamber support frame is inclined by 45 degrees is that the influence on the thickness of the lead shielding layer in the diameter direction of the tank body 1 is minimum.

The storage device of the utility model solves the problem that the local radioactive dose rate is too high after the tank plug is closed; the tank body has large volume and difficult sealing; the problem of radioactive dust and aerosol overflow under the condition that the tank plug is opened can be used on a large scale in industry, and collection and storage of radioactive devices are realized.

Claims

1. The storage device for the radioactive devices is characterized by comprising a tank body (1), wherein the tank body (1) is communicated with a dust collection barrel (37) through a connecting pipe (36), the bottom of the side wall of the dust collection barrel (37) is connected with a vacuum pump (38) through a pipeline, the tank body (1) comprises a shell (2), a ball storage cavity (4) is sleeved at the center inside the shell (2), a lead shielding layer (3) is arranged between the outer wall of the ball storage cavity (4) and the inner wall of the shell (2), the ball storage cavity (4) is communicated with a flange interface arranged on the side wall of the shell (2) through a horizontal pipeline and is used for being connected with other devices of components to be stored, a shielding plug assembly is arranged right above an opening (7) of the ball storage cavity (4) inside the tank body (1), the shielding plug assembly is connected with a driving assembly, the driving assembly is fixed at the center of the surface of a cover plate (12) of the shell, the cable shielding device is characterized in that the cover plate (12) is connected with the shell (2) in a sealing mode, an electric appliance shielding cover (18) is fixed on the upper surface of the cover plate (12) through screws, the driving assembly is located inside the electric appliance shielding cover (18), and an aviation plug is arranged on the outer wall of the electric appliance shielding cover (18) and used for connecting out a cable.

2. A storage device for radioactive articles according to claim 1, wherein the outer side wall of the ball storage chamber (4) is sleeved with a support frame, three legs of the support frame are fixed on the inner wall of the housing (2), and the axes of the three legs form an included angle of 45 degrees with the axis of the ball storage chamber (4).

3. A storage device for radioactive devices according to claim 1, wherein the ball storage chamber (4) is fixedly connected with a silver washer (6) at an opening (7) along the circumference, and the opening (7) is provided with a groove with a trapezoidal cross section.

4. A storage device for radiological articles, as in claim 1, wherein two linear guides (9) are axially fixed on the upper portion of the inner side wall of said casing (2), said linear guides (9) being arranged opposite to each other.

5. A storage device for radiological articles, as in claim 4, wherein said shielding plug assembly comprises shielding plugs (8), each of opposite side walls of said shielding plugs (8) being affixed with a respective slider (10), each of said sliders (10) being movable along the axial direction of each of said corresponding linear guides (9); the shielding plug is characterized in that a shielding plug cover plate (27) is fixedly connected to the surface of the shielding plug (8), a shielding plug head (29) is fixedly connected to the center of the lower surface of the shielding plug cover plate (27), the shielding plug (8) is internally located, two sides of the shielding plug head (29) are shielding plug lead layers (28), and the lower end of the shielding plug head (29) is just opposite to an opening (7) of the ball storage cavity (4).

6. A storage device as claimed in claim 5, characterized in that the lower end of the shielding plug stopper (29) is trapezoidal in cross-section.

7. The storage device for radioactive devices according to claim 5, wherein the driving assembly comprises a motor bracket (25) fixedly connected to the center of the outer surface of the cover plate (12), a through stepping motor (19) is installed at one end of the motor bracket (25), a motor lead screw (20) penetrates through the through stepping motor (19), one end of the motor lead screw (20) penetrates through the cover plate (12) and is fixedly connected to the upper surface of the shield plug cover plate (27), the other end of the motor lead screw (20) is fixedly connected with a limiting rod (21) through a screw, a limiting switch bracket b (23) is fixed to the other end of the motor bracket (25) through a screw, and a limiting switch b (22) is installed on the limiting switch bracket b (23).

8. A storage device for radioactive materials according to claim 7, wherein the driving assembly further comprises a limit switch bracket a (15) fixedly connected to the upper surface of the cover plate (12), the limit switch bracket a (15) is provided with a limit switch a (17), the limit switch a (17) is connected to the through stepping motor (19), the upper surface of the shield plug cover plate (27) is further connected to a limit contact pin (16), and when the limit contact pin (16) passes through the cover plate (12) along with the movement of the shield plug (8) and contacts with the limit switch a (17), the motor lead screw (20) stops moving.

9. A storage device for radioactive articles according to claim 7, wherein the lower end of the motor screw (20) is provided with a strip-shaped hole (34) along the axial direction.

10. A storage device for radioactive devices according to claim 1, wherein a plurality of support lugs and a plurality of lifting lugs are symmetrically and fixedly connected to the outer side wall of the housing (2), and the support lugs are positioned below the lifting lugs;

a hand valve (14) is arranged at one end of the upper surface of the cover plate (12), and the hand valve (14) is connected with the dust collection barrel (37) through a pipeline.