CN212061900U

CN212061900U - Radioactive source storage equipment

Info

Publication number: CN212061900U
Application number: CN202020652984.2U
Authority: CN
Inventors: 郭泽学; 叶封莹; 吴凤雅
Original assignee: Tianjin Wanmu Radiation Protective Engineering Co ltd
Current assignee: Tianjin Wanmu Radiation Protective Engineering Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-01
Anticipated expiration: 2030-04-26

Abstract

The utility model provides a radioactive source storage equipment, including the cylindrical protective sheath of depositing the radioactive source, the cylindrical jar body outside the protective sheath, connect the apron on the jar body, articulate the lug in jar body periphery, the protective sheath includes metal casing and inside shielding material coating, storage equipment still includes adjusting part and damper, adjusting part includes the driving motor who fixes on the jar body, the accommodate the lead screw that connects in the jar body and links to each other with driving motor rotates, the slider of rotation connection on accommodate the lead screw, a plurality of connecting rods that link to each other with the slider and the backup pad that links to each other with the connecting rod, the backup pad contacts with the protective sheath, damper sliding connection is in jar body inboard and with protective sheath surface contact; the utility model discloses deposit the internal regulating assembly that is equipped with of equipment jar, can replace the staff to adjust the position of radiation source in the jar, reduced the contact time of staff and radiation source, increased the contact distance between staff and the radiation source.

Description

Radioactive source storage equipment

Technical Field

The utility model relates to a radiation source deposits equipment belongs to and deposits equipment technical field.

Background

The radioactive source is a substance which is made of radioactive substances and can radiate rays to the outside, and is widely applied to the fields of industry, agriculture, medicine, resources, environment, military, scientific research and the like.

The radiation source has great help to human life, but the storage requirement is strict, and the radiation source often contacts with the radiation source and can also have damage to people's health to different degrees, therefore, need design a storage device that can deposit the radiation source safely, and this storage device can suitably reduce the contact time of staff and radiation source under the prerequisite of guaranteeing stability, more helps people to protect oneself in the in-process with the radiation source contact.

Disclosure of Invention

The utility model aims to solve the problems existing in the prior art, and provides a radioactive source storage device which solves the problems in the prior art.

In order to achieve the above object, the present invention is achieved by the following technical solutions, including:

the utility model provides a radiation source deposits equipment, including the columniform protective sheath of depositing the radiation source, the outside columniform jar body of protective sheath, connect the apron on jar body, articulate the lug in jar body periphery, the protective sheath includes metal casing and inside shielding material coating, it still includes adjusting part and damper, adjusting part is including fixing the driving motor on jar body, the adjusting screw who connects in jar internally and link to each other with driving motor rotates, rotate the slider of connection on adjusting screw, a plurality of connecting rods that link to each other with the slider and the backup pad that links to each other with the connecting rod, the backup pad contacts with the protective sheath, damper sliding connection just contacts with protective sheath surface contact at jar internal side.

By adopting the scheme, the radioactive source is fixed in the protective sleeve, the driving motor of the adjusting assembly is started, the driving motor drives the adjusting screw rod to rotate, the adjusting screw rod drives the sliding block to slide on the adjusting screw rod, the radioactive source and the protective sleeve which are placed on the adjusting assembly are further taken to the bottom of the tank body, and the damping assembly enables the protective sleeve to be stable; the adjusting assembly can replace a worker to adjust the position of the radioactive source in the tank, the contact time between the worker and the radioactive source is shortened, the contact distance between the worker and the radioactive source is increased, and the damping assembly can ensure that the radioactive source of the storage tank body is kept stable in the transportation and moving processes and is not impacted or falls off from the adjusting assembly.

Preferably, driving motor fixes the inside at the jar body, and driving motor's output shaft fixedly connected with first gear, the last fixed second gear that is equipped with of accommodate the lead screw, and adjusting part still includes synchronous drive belt, and first gear and second gear all mesh with synchronous drive belt mutually.

By adopting the scheme, the driving motor is started, the first gear fixed on the output shaft of the driving motor rotates along with the driving motor, the synchronous transmission belt and the second gear are driven to synchronously rotate, and then the adjusting screw rod is driven to rotate.

Preferably, the adjusting part still includes the backup pad, backup pad lower surface and connecting rod fixed connection, and the backup pad upper surface is equipped with annular limiting plate of circle, the internal diameter of limiting plate and the external diameter looks adaptation of protective sheath.

By adopting the scheme, the limiting plate can limit the protective sleeve to move in the fixed space, so that the stability of the radioactive source and the protective sleeve is ensured, and the radioactive source and the protective sleeve are prevented from being separated from the adjusting assembly when the adjusting assembly moves.

Preferably, the limiting plate is V-shaped and is made of elastic material, one end of the limiting plate is fixed on the upper surface of the supporting plate, and the other end of the limiting plate is suspended towards one side of the protective sleeve.

Adopt above-mentioned scheme, put into the limiting plate of V-arrangement with radiation source and protective sheath, the one end of limiting plate activity is extrudeed outside skew, and then produces inward restoring force, fixes radiation source and protective sheath.

Preferably, the upper surface of the support plate is fixedly connected with a rubber layer.

Preferably, the damping assembly comprises a damping connecting plate made of elastic material sleeved outside the protective sleeve, a damping bottom plate slidably connected to the inner side of the tank body, and a plurality of elastic elements with two ends respectively and fixedly connected to the damping connecting plate and the damping bottom plate.

Adopt above-mentioned scheme, when not depositing the radiation source, elastic element is in the state of relaxing, place radiation source and protective sheath before the regulating part downwards, radiation source and protective sheath contact the internal surface of shock attenuation connecting plate, elastic element begins to receive the outside reaction force of extrusion production of radiation source and protective sheath, block the protective sheath, radiation source and protective sheath continue downwards, this moment because shock attenuation bottom plate sliding connection is at the internal surface of jar in vertical direction, shock attenuation subassembly can receive decurrent power and move along with the protective sheath downwards, but regulating part's limiting plate can block shock attenuation subassembly this moment, prevent shock attenuation subassembly to continue to move downwards, the shock attenuation connecting plate overlaps the radiation source and the protective sheath outside complete cover, fix radiation source and protective sheath.

Preferably, damper still includes a plurality of sleeve pipes and with the spacing post of sleeve pipe looks adaptation, the intraductal hollow structure and top of being of cover are uncovered setting, and the sleeve pipe bottom mounting is unsettled at a side and the top of shock attenuation bottom plate orientation protective sheath, and spacing post bottom mounting is in the sleeve pipe at a side and the top sliding connection of shock attenuation connecting plate dorsad protective sheath.

Preferably, the top end of the sleeve is inwards provided with a circle of bulge, and the top end of the limiting column is provided with a clamping ring.

Adopt above-mentioned scheme, when the storage tank body received jolting or striking, elastic element changed, and the distance between shock attenuation connecting plate and the vibration damping mount changed, and spacing post slides in the sleeve pipe, and this structure can guarantee that can not take place the ascending dislocation of vertical side between shock attenuation connecting plate and the vibration damping mount, makes damping component control radiation source and protective sheath only in the horizontal direction.

Preferably, the internal surface of jar is equipped with the shielding layer, and the shielding layer includes concrete layer, paraffin layer and the lead layer that sets gradually outwards from the internal surface of jar.

By adopting the scheme, the protective sleeve is a first shielding protective layer, and the inner surface of the tank body is a second shielding protective layer.

Preferably, the cover plate is internally fixed with a V-shaped sealing strip, one surface of the sealing strip is fixed at the edge of the inner surface of the cover plate, the other surface of the sealing strip vertically faces the tank body, and the opening of the sealing strip faces the tank body.

The utility model has the advantages that:

(1) the utility model discloses deposit the internal regulating assembly that is equipped with of equipment jar, can replace the staff to adjust the position of radiation source in the jar, reduced the contact time of staff and radiation source, increased the contact distance between staff and the radiation source.

(2) The utility model discloses the internal damper assembly that is equipped with of storage tank can guarantee that the storage tank body receives when jolting or striking that the in-process of transporting and moving the radiation source keeps stable, be unlikely to come off from adjusting part.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a cross-sectional view of the storage tank of the present invention;

fig. 2 is a partial enlarged view of the position a of the present invention.

In the figure: 1 protective sleeve, 21 driving motor, 22 adjusting screw rod, 23 sliding block, 24 supporting plates, 241 rubber layer, 25 first gear, 26 second gear, 27 synchronous transmission belt, 28 limiting plate, 29 connecting rod, 31 damping connecting plate, 32 damping bottom plate, 321 sliding block, 33 elastic element, 34 sleeve, 341 bulge, 35 limiting column, 351 clamping ring, 4 tank body, 41 sliding groove, 5 cover plate, 51 sealing strip and 6 lifting lug.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention easy to understand, the invention is further explained by combining the specific embodiments.

Example 1

As shown in figure 1, the radioactive source storage equipment comprises a cylindrical protective sleeve 1 for storing radioactive sources, a cylindrical tank body 4 outside the protective sleeve 1, a cover plate 5 connected to the tank body 4, lifting lugs 6 hinged to the periphery of the tank body 4, an adjusting assembly inside the tank body 4 and a damping assembly.

The protective sleeve 1 comprises a metal shell and an internal shielding material coating, the radioactive source storage equipment can be provided with the protective sleeve 1 which is made of different shielding materials and has the same specification according to different types of radioactive sources, and the shielding material coating in the protective sleeve 1 can be made of organic glass, aluminum or concrete, lead or paraffin and other materials; the inner surface of the tank body 4 is provided with a shielding layer, and the shielding layer comprises a concrete layer, a paraffin layer and a lead layer which are sequentially arranged from the inner surface of the tank body 4 to the outside; a V-shaped sealing strip 51 is fixed in the cover plate 5, one surface of the sealing strip 51 is fixed at the edge of the inner surface of the cover plate 5, the other surface of the sealing strip 51 vertically faces the inside of the tank body 4, and the opening of the sealing strip 51 faces the inside of the tank body 4.

The adjusting component comprises a driving motor 21 fixed in the tank body 4, an adjusting screw rod 22 with one end rotatably connected in the tank body 4, a slide block 23 rotatably connected on the adjusting screw rod 22, a plurality of connecting rods 29 connected with the slide block 23, a supporting plate 24 fixedly connected with the connecting rods 29, and a circular limiting plate 28 fixedly connected on the supporting plate 24, fixed surface is connected with rubber layer 241 on backup pad 24, limiting plate 28 is the V-arrangement and is made by elastic material, the upper surface at backup pad 24 is fixed to the one end of limiting plate 28, the other end is unsettled towards protective sheath 1 one side, the internal diameter of limiting plate 28 and the external diameter looks adaptation of protective sheath 1, the adjusting part still includes first gear 25, second gear 26 and synchronous drive belt 27, the output shaft at driving motor 21 is fixed to first gear 25, second gear 26 is fixed at accommodate the lead screw 22 lower extreme, synchronous drive belt 27 meshes respectively with first gear 25 and second gear 26.

The damping component comprises a damping connecting plate 31 which is sleeved outside the protective sleeve 1 and made of elastic materials, a damping bottom plate 32 which is connected to the inner side of the tank body 4 in a sliding manner in the vertical direction, a plurality of elastic elements 33 of which two ends are respectively fixedly connected to the damping connecting plate 31 and the damping bottom plate 32, a plurality of sleeves 34 and a limiting column 35 matched with the sleeves 34, wherein the upper end of the inner surface of the damping connecting plate 31 is arranged in an outward inclined manner, a sliding block 321 is fixed on the damping bottom plate 32, a corresponding sliding groove 41 is vertically arranged on the inner side of the tank body, the elastic elements 33 in the radioactive source storage equipment can select springs, the sleeves 34 are internally provided with hollow structures and open top ends, a combined drawing 2 is shown, the top ends of the sleeves 34 are internally provided with a circle of bulges 341, the bottom ends of the sleeves 34 are fixed on one side face of the damping bottom plate 32 facing the protective sleeve 1, the top end of the limiting column 35 is provided with a clamping ring 351.

The utility model discloses a theory of operation: the radioactive source is fixed in the protective sleeve 1, the radioactive source sleeved with the adaptive protective sleeve 1 is placed in the V-shaped limiting plate 28, the protective sleeve 1 firstly contacts the inner surface of the shock absorption connecting plate 31 before contacting the limiting plate 28, the inclined arrangement of the upper end of the inner surface of the shock absorption connecting plate 31 is helpful for workers to quickly find the position and place the protective sleeve 1 in the shock absorption connecting plate 31, the spring is extruded by the radioactive source and the protective sleeve 1 to generate a reaction force to clamp the protective sleeve 1, the radioactive source and the protective sleeve 1 continue to move downwards by the force, at the moment, the shock absorption bottom plate 32 is connected to the inner surface of the tank body in a sliding mode in the vertical direction, the shock absorption assembly moves downwards along with the protective sleeve 1 under the downward force, at the moment, the limiting plate 28 of the adjusting assembly blocks the shock absorption assembly and prevents the shock absorption, the radioactive source and the protective sleeve 1 continue to move downwards, the movable end of the limiting plate 28 is extruded to deflect outwards, thereby generating inward restoring force to fix the radioactive source and the protective sleeve 1, starting the driving motor 21 of the adjusting component, driving the synchronous transmission belt 27 and the second gear 26 to synchronously rotate by the rotation of the first gear 25 fixed on the output shaft of the driving motor 21 along with the rotation of the driving motor 21, thereby driving the adjusting screw rod 22 to rotate, the adjusting screw rod 22 driving the slide block 23 to slide on the adjusting screw rod 22, further bringing the radioactive source and the protective sleeve 1 which are arranged on the adjusting component to the bottom of the tank body 4, in the process, when the storage tank body is bumped or impacted, the spring stretches, the distance between the damping connecting plate 31 and the damping bottom plate 32 changes, the limiting column 35 slides in the sleeve 34, and the structure can ensure that the damping connecting plate 31 and the damping bottom plate 32 cannot be vertically dislocated.

Having shown and described the basic principles and essential features of the invention and its advantages, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A radioactive source storage device comprises a cylindrical protective sleeve (1) for storing radioactive sources, a cylindrical tank body (4) outside the protective sleeve (1), a cover plate (5) connected to the tank body (4), and lifting lugs (6) hinged to the periphery of the tank body (4), and is characterized in that the protective sleeve (1) comprises a metal shell and an internal shielding material coating, the storage device further comprises an adjusting component and a damping component, the adjusting component comprises a driving motor (21) fixed on the tank body (4), an adjusting screw rod (22) rotatably connected in the tank body (4) and connected with the driving motor (21), a sliding block (23) rotatably connected on the adjusting screw rod (22), a plurality of connecting rods (29) connected with the sliding block (23), and a supporting plate (24) connected with the connecting rods (29), and the supporting plate (24) is in contact with the protective sleeve (1), the damping component is connected to the inner side of the tank body (4) in a sliding manner and is in contact with the outer surface of the protective sleeve (1).

2. The radioactive source storage device according to claim 1, wherein the driving motor (21) is fixed inside the tank (4), the output shaft of the driving motor (21) is fixedly connected with a first gear (25), the adjusting screw (22) is fixedly provided with a second gear (26), the adjusting assembly further comprises a synchronous belt (27), and the first gear (25) and the second gear (26) are both meshed with the synchronous belt (27).

3. The radioactive source storage device according to claim 2, wherein the adjusting assembly further comprises a support plate (24), the lower surface of the support plate (24) is fixedly connected with a connecting rod (29), an annular limiting plate (28) is arranged on the upper surface of the support plate (24), and the inner diameter of the limiting plate (28) is matched with the outer diameter of the protective sleeve (1).

4. A radioactive source storage apparatus according to claim 3, wherein the limiting plate (28) is V-shaped and made of elastic material, one end of the limiting plate (28) is fixed on the upper surface of the supporting plate (24), and the other end is suspended toward one side of the protective casing (1).

5. A radioactive source storage apparatus according to claim 4, wherein a rubber layer (241) is fixedly attached to the upper surface of the support plate (24).

6. A radiation source storage device according to claim 1, wherein the damping assembly comprises a damping connection plate (31) made of an elastic material and sleeved outside the protective sleeve (1), a damping bottom plate (32) slidably connected to the inner side of the tank (4), and a plurality of elastic elements (33) with two ends respectively and fixedly connected to the damping connection plate (31) and the damping bottom plate (32).

7. The radiation source storage device according to claim 6, wherein the shock-absorbing assembly further comprises a plurality of sleeves (34) and limiting posts (35) matched with the sleeves (34), the sleeves (34) are hollow, the top ends of the sleeves are open, the bottom ends of the sleeves (34) are fixed on one side surface of the shock-absorbing bottom plate (32) facing the protective sleeve (1), the top ends of the sleeves are suspended, and the bottom ends of the limiting posts (35) are fixed on one side surface of the shock-absorbing connecting plate (31) opposite to the protective sleeve (1), and the top ends of the limiting posts are slidably connected in the sleeves (34).

8. A radioactive source storage apparatus according to claim 7, wherein the sleeve (34) is provided with a ring of protrusions (341) inwardly at the top end thereof, and a snap ring (351) is provided at the top end of the limiting post (35).

9. The radioactive source storage device according to claim 1, wherein the inner surface of the tank (4) is provided with a shielding layer, and the shielding layer comprises a concrete layer, a paraffin layer and a lead layer which are arranged in sequence from the inner surface of the tank (4) to the outside.

10. The radioactive source storage device according to claim 1, wherein a V-shaped sealing strip (51) is fixed in the cover plate (5), one surface of the sealing strip (51) is fixed at the edge of the inner surface of the cover plate (5) and the other surface of the sealing strip (51) vertically faces the inside of the tank body (4), and the opening of the sealing strip (51) faces the inside of the tank body (4).