CN213058673U

CN213058673U - Alternate attenuation type nuclear waste garbage can

Info

Publication number: CN213058673U
Application number: CN202020919475.1U
Authority: CN
Inventors: 石健; 冯峰; 蒋小冬
Original assignee: Nantong Tumor Hospital
Current assignee: Nantong Tumor Hospital
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2021-04-27
Anticipated expiration: 2030-05-27

Abstract

The utility model provides an alternately decay formula nuclear waste garbage bin, establish the bung at outer staving top including outer staving and hinge, be provided with interior bucket of backup pad, revolving stage mechanism, rotatory fixed establishment, two rubbish and top cap device that opens and shuts in the outer staving. The utility model discloses be provided with the top of bucket and interior bucket in the rubbish and be provided with the top cap, the top cap keeps the level and shelters from the entry of bucket in the rubbish under torque spring's effect to prevent that the nuclear wastes material in the bucket from producing the injury of shining to personnel in the rubbish, rotatory top cap device that opens and shuts can push down the top cap, thereby make the nuclear wastes material of top cap upside fall in the rubbish, later the top cap reconversion under torque spring's effect can effectively reduce the injury of nuclear wastes material to personnel.

Description

Alternate attenuation type nuclear waste garbage can

Technical Field

The utility model belongs to the technical field of the environmental protection equipment, especially, relate to an alternately decline formula nuclear waste garbage bin.

Background

With the progress of medical technology, nuclear medicine diagnosis and treatment technology is rapidly popularized and popularized, and with the development of nuclear medicine industry, nuclear radiation protection is increasingly emphasized. The nuclide has strong radioactivity, and for a patient, the nuclide utilizes the characteristic to treat and diagnose diseases, however, the nuclear radiation has certain damage to healthy groups, radioactive substances can enter the body through breathing inhalation, skin wounds and digestive tracts to cause internal radiation, and y radiation can penetrate a certain distance to be absorbed by the body, so that personnel can be injured by external radiation.

In the nuclear medicine department of hospitals, when medical personnel carry out nuclide treatment operation, radioactive medical wastes with radiation are inevitably generated, according to the regulation of the sanitary protection management of medical radioactive wastes issued by the ministry of health, the radioactive wastes are required to be stored in a special container, and after the specific activity and the surface dose rate of the radioactive wastes reach the cleaning and control level, the radioactive wastes can be avoided from being examined and managed and can be treated as common wastes. At present, the treatment mode to these radioactive medical wastes is to place it in the lead dustbin, but current lead dustbin mostly adopts foot-operated, when pedal after uncapping abandons nuclear wastes material, the nuclear wastes material in the original incasement can produce the radiation to medical personnel to the time has long can lead to personnel to receive the radiation damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides an attenuate formula and wastes material garbage bin in turn, the top of being provided with interior bucket of rubbish and the bucket in the rubbish is provided with the top cap, the top cap keeps the level and shelters from the entry of bucket in the rubbish under torque spring's effect, thereby prevent that the interior nuclear waste of bucket from producing the injury of shining to personnel in the rubbish, rotatory top cap device that opens and shuts can push up the top cap down, thereby make the nuclear waste of top cap upside fall to the bucket in the rubbish, later the top cap reconversion under torque spring's effect, can effectively reduce the injury of nuclear waste to personnel.

In order to solve the technical problem, the utility model discloses a technical scheme is: an alternative attenuation type nuclear waste garbage can comprises an outer can body and a can cover hinged to the top of the outer can body, wherein a supporting plate, a rotary table mechanism, a rotary fixing mechanism, two garbage inner cans and a top cover opening and closing device are arranged in the outer can body, the supporting plate is fixedly arranged on the inner wall of the outer can body, the rotary table mechanism comprises a rotary table, a supporting ring block, a rotary shaft and a first bevel gear, the rotary shaft penetrates through the top of the supporting plate and is fixedly connected with the rotary table, the bottom of the rotary shaft is embedded in the bottom wall of the outer can body and is rotatably connected with the bottom wall of the outer can body through a first bearing, the supporting ring block is fixedly arranged on the supporting plate and is rotatably connected with the rotary table, the first bevel gear is fixedly sleeved on the rotary shaft, and the first bevel gear; the two garbage inner barrels are placed on the rotating table; the rotary fixing mechanism is rotationally connected with the first bevel gear, a top cover is hinged to the top of the garbage inner barrel, and the top cover opening and closing device is arranged on the side wall of the outer barrel body and located on the upper side of the top cover.

In the technical scheme, the two garbage inner barrels are placed on the rotating platform, and the rotating platform can be controlled to rotate under the action of the rotating and fixing mechanism, so that the garbage inner barrels can be conveniently replaced; the top of bucket in the rubbish is provided with the top cap, during the use, at first opens the bung, later with the nuclear waste material arrange the top cap in on, with the bung closure, later rotate the top cap device that opens and shuts and make the inside rotation of top cap in the bucket to make the nuclear waste material by the inside of top cap landing to bucket in the rubbish, this design can effectively prevent that the interior nuclear waste material of bucket storage in the rubbish from causing the injury to personnel when using.

Furthermore, an annular sliding groove is formed in the supporting ring block, an annular sliding block is fixedly arranged at the bottom of the rotating platform, and the annular sliding block is arranged in the annular sliding groove and is in sliding connection with the annular sliding groove.

In this technical scheme, set up the support ring piece and be used for supporting the revolving stage and keep parallel, set up annular spout and annular slider so that the revolving stage normal rotation is not influenced simultaneously.

Furthermore, the rotating table is provided with two semicircular fixing grooves, and the garbage inner barrel is clamped in the semicircular fixing grooves.

In this technical scheme, set up two interior buckets of rubbish and all fix in semi-circular fixed slot, can make interior bucket of rubbish remain stable, prevent to remove its position because of the atress, the normal use of being convenient for.

Further, rotatory fixed establishment includes second bevel gear, bull stick, knob, positioning spring, locating plate, locating pin post and balance plate, the balance plate is fixed to be set up between the diapire of backup pad and outer staving, the bull stick runs through the lateral wall of balance plate and outer staving and both ends respectively fixed mounting have second bevel gear and locating plate, second bevel gear and first bevel gear mesh rotatable coupling mutually, the knob card is established on the bull stick, just be provided with positioning spring between knob and the locating plate, it has the fixed orifices to open on the lateral wall of outer staving, the knob is fixed with the locating pin post, the locating pin post is inserted and is established in the fixed orifices.

In the technical scheme, the second bevel gear is meshed with the first bevel gear, when the knob is rotated, the rotating rod drives the second bevel gear to rotate, the first bevel gear rotates correspondingly, and finally the rotating platform rotates, so that the garbage inner barrel is converted, when the rotating platform rotates to 180 degrees, the new garbage inner barrel is in a use position, and the garbage inner barrel is convenient to replace.

Further, the gear ratio of the first bevel gear to the second bevel gear is 2: 1.

In the technical scheme, when the second bevel gear rotates for a circle, the first bevel gear rotates for a half circle, and then the positions of the two garbage inner barrels are exchanged, so that the garbage inner barrels are convenient to replace.

Furthermore, a clamping block is arranged on the rotating rod, a clamping groove matched with the clamping block is arranged in the center of the knob, the clamping block is clamped in the clamping groove, and the knob can be slidably connected with the clamping block through the clamping groove; two fixed disks are fixedly arranged on the rotating rod, and the two fixed disks are respectively arranged on two sides of the side wall of the outer barrel body.

In the technical scheme, the clamping block and the clamping groove are arranged to conveniently clamp and fix the knob and the rotating rod, so that the rotating rod is driven to rotate simultaneously when the knob rotates; the two fixed disks fix the rotating rod and the outer barrel body, so that the first bevel gear and the second bevel gear can be ensured to be always in a meshed state, and the first bevel gear and the second bevel gear are prevented from being separated.

Furthermore, a torsion spring is arranged between the garbage inner barrel and the top cover, two ends of the torsion spring are respectively fixed with the garbage inner barrel and the top cover, and the top cover is provided with a limiting groove.

In this technical scheme, set up torsion spring and make the top cap shelter from the bung hole of bucket in the rubbish all the time to prevent that the inside nuclear waste material of depositing of bucket in the rubbish from producing the harm to the personnel when putting in nuclear waste material.

Further, the top cap device that opens and shuts includes swing arm, commentaries on classics hand and cam, the swing arm runs through the lateral wall of outer staving just rotates with the lateral wall of outer staving through the second bearing and is connected, the both ends of swing arm are fixed respectively and are provided with commentaries on classics hand and cam, the cam is located the upside of top cap, and the edge of its cam minor face with the spacing groove contacts.

In this technical scheme, its swing arm drives the cam and rotates when rotating the hand, and the cam is ejecting downwards the top cap gradually at the spacing inslot when rotating for the top cap rotates to the inside of the interior bucket of rubbish, thereby the nuclear wastes material on top cap upper portion can the landing to in the rubbish bucket.

Furthermore, a first handle is arranged on the side wall of the barrel cover, and at least two groups of universal wheels are arranged at the bottom of the outer barrel body; the side wall of the outer barrel body is hinged with a switch door, and the switch door and the top cover opening and closing device are arranged oppositely.

Further, the outer barrel body, the barrel cover and the garbage inner barrel are all made of radiation-proof lead plates.

The utility model has the advantages and positive effects that:

the utility model is provided with a turntable mechanism, a rotary fixing mechanism and a top cover opening and closing device, wherein the turntable mechanism is used for bearing the garbage inner barrel, and is convenient to rotate to replace different garbage inner barrels, thereby being convenient for use, and the rotary fixing mechanism is used for rotating and fixing the rotary table; the top cover opening and closing device is used for opening the top cover above the garbage inner barrel so as to place nuclear waste on the top cover into the barrel; this design is when using, directly arranges nuclear waste in the top cap to prevent that the interior remaining nuclear waste of bucket from causing the harm to personnel in the rubbish, convenient to use, the protecting effect is good.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural diagram of the present invention;

FIG. 4 is an enlarged view of the structure A of FIG. 3;

FIG. 5 is a sectional view taken along line B-B of FIG. 4;

FIG. 6 is a schematic structural view of a turntable according to the present invention;

FIG. 7 is a schematic structural view of a support ring block according to the present invention;

FIG. 8 is a state diagram of the present invention in use;

in the figure: 1-outer barrel body, 11-fixing hole, 2-barrel cover, 3-supporting plate, 4-turntable mechanism, 41-rotating table, 411-annular sliding block, 412-semicircular fixing groove, 42-supporting ring block, 421-annular sliding groove, 43-rotating shaft, 44-first bevel gear, 5-rotating fixing mechanism, 51-second bevel gear, 52-rotating rod, 521-clamping block, 522-fixing disc, 53-knob, 531-clamping groove, 54-positioning spring, 55-positioning plate, 56-positioning pin column, 57-balance plate, 6-garbage inner barrel, 61-top cover, 62-torsion spring, 63-limiting groove, 7-top cover opening and closing device, 71-rotating rod, 72-rotating handle and 73-cam, 8-first handle, 9-universal wheel and 10-opening and closing door.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Example (b):

as shown in fig. 1 to 7: an alternate attenuation type nuclear waste garbage can comprises an outer can body 1 and a can cover 2 hinged to the top of the outer can body 1, a supporting plate 3, a rotary table mechanism 4, a rotary fixing mechanism 5, two garbage inner cans 6 and a top cover opening and closing device 7 are arranged in the outer can body 1, the supporting plate 3 is fixedly arranged on the inner wall of the outer can body 1, the rotary table mechanism 4 comprises a rotary table 41, a supporting ring block 42, a rotary shaft 43 and a first bevel gear 44, the rotary shaft 43 penetrates through the top of the supporting plate 3 and is fixedly connected with the rotary table 41, the bottom of the rotary shaft 43 is embedded in the bottom wall of the outer can body 1 and is rotatably connected with the bottom wall of the outer can body 1 through a first bearing, the supporting ring block 42 is fixedly arranged on the supporting plate 3 and is rotatably connected with the rotary table 41, the first bevel gear 44 is fixedly sleeved on the rotary shaft 43, and; two garbage inner barrels 6 are placed on the rotating table 41; the rotary fixing mechanism 5 is rotationally connected with the first bevel gear 44, the top of the garbage inner barrel 6 is hinged with a top cover 61, and the top cover opening and closing device 7 is arranged on the side wall of the outer barrel body 1 and is positioned at the upper side of the top cover 61. Wherein, the outer barrel body 1, the barrel cover 2 and the garbage inner barrel 6 are all made of radiation-proof lead plates. The two garbage inner barrels 6 are placed on the rotating platform 41, and the rotating platform 41 can be controlled to rotate under the action of the rotating and fixing mechanism 5, so that the garbage inner barrels 6 can be conveniently replaced; the top of bucket 6 in the rubbish is provided with top cap 61, during the use, at first opens bung 2, later places nuclear waste in on top cap 61, with bung 2 closure, later rotates top cap device 7 that opens and shuts and make top cap 61 inwards rotate to make nuclear waste by the inside of bucket 6 in the top cap 61 landing to the rubbish, this design when using, can effectively prevent that the nuclear waste of bucket 6 internal storage in the rubbish from causing the injury to personnel.

As shown in fig. 6 and 7: in this embodiment, the supporting ring block 42 is provided with an annular sliding groove 421, the bottom of the rotating platform 41 is fixedly provided with an annular sliding block 411, and the annular sliding block 411 is disposed in the annular sliding groove 421 and is slidably connected with the annular sliding groove 421. The supporting ring block 42 is provided for supporting the rotating table 41 to be parallel, and the annular sliding groove 421 and the annular sliding block 411 are provided so that the normal rotation of the rotating table 41 is not affected.

As shown in fig. 6: in this embodiment, the rotating table 41 is provided with two semicircular fixing grooves 412, and the garbage inner barrel 6 is engaged in the semicircular fixing grooves 412. The two garbage inner barrels 6 are arranged and fixed in the semicircular fixing grooves 412, so that the garbage inner barrels 6 are kept stable, the positions of the garbage inner barrels are prevented from being moved due to stress, and normal use is facilitated.

As shown in fig. 3 and 4: in this embodiment, the rotation fixing mechanism 5 includes a second bevel gear 51, a rotating rod 52, a knob 53, a positioning spring 54, a positioning plate 55, a positioning pin 56 and a balance plate 57, the balance plate 57 is fixedly disposed between the supporting plate 3 and the bottom wall of the outer barrel body 1, the rotating rod 52 penetrates through the balance plate 57 and the side wall of the outer barrel body 1, and the second bevel gear 51 and the positioning plate 55 are respectively and fixedly mounted at two ends of the rotating rod 52, the second bevel gear 51 is engaged with the first bevel gear 44 and rotatably connected to the rotating rod, the knob 53 is clamped on the rotating rod 52, the positioning spring 54 is disposed between the knob 53 and the positioning plate 55, a fixing hole 11 is formed in the side wall of the outer barrel body 1, the knob 53 is fixedly provided with the positioning pin 56, and the positioning pin 56 is inserted. The second bevel gear 51 is engaged with the first bevel gear 44, when the knob 53 is rotated, the rotating rod 52 drives the second bevel gear 51 to rotate, and then the first bevel gear 44 correspondingly rotates, and finally the rotating table 41 rotates, so that the garbage inner barrel 6 is switched, and when the rotating table 41 rotates to 180 degrees, a new garbage inner barrel 6 is in a use position, and the garbage inner barrel 6 is convenient to replace.

In the present embodiment, the gear ratio of the first bevel gear 44 and the second bevel gear 51 is 2: 1. In the design, when the second bevel gear 51 rotates for one circle, the first bevel gear 44 rotates for half a circle, and then the positions of the two garbage inner barrels 6 are exchanged, so that the garbage inner barrels can be conveniently replaced.

As shown in fig. 4: in this embodiment, the rotating rod 52 is provided with a latch 521, the center of the knob 53 is provided with a slot 531 matched with the latch 521, the latch 521 is latched in the slot 531, and the knob 53 can be slidably connected with the latch 521 through the slot 531; two fixing discs 522 are fixedly arranged on the rotating rod 52, and the two fixing discs 522 are respectively arranged at two sides of the side wall of the outer barrel body 1. The fixture block 521 and the clamping groove 531 are arranged to facilitate clamping and fixing the knob 53 and the rotating rod 52, so that the rotating rod 52 is driven to rotate simultaneously when the knob 53 rotates; the two fixing disks 522 fix the rotating rod 52 and the outer barrel body 1, so that the first bevel gear 44 and the second bevel gear 51 can be ensured to be always in an engaged state, and the two bevel gears are prevented from being disengaged.

As shown in fig. 2: in this embodiment, a torsion spring 62 is disposed between the garbage inner barrel 6 and the top cover 61, two ends of the torsion spring 62 are respectively fixed to the garbage inner barrel 6 and the top cover 61, and the top cover 61 is provided with a limiting groove 63. Set up torsion spring 62 and make top cap 61 shelter from the bung hole of bucket 6 in the rubbish all the time to prevent that the inside nuclear waste material of depositing of bucket 6 in the rubbish from producing the harm to the personnel when puting in nuclear waste.

In this embodiment, the top cover opening and closing device 7 includes a rotating rod 71, a rotating handle 72 and a cam 73, the rotating rod 71 penetrates through the sidewall of the outer barrel 1 and is rotatably connected with the sidewall of the outer barrel 1 through a second bearing, the rotating handle 72 and the cam 73 are respectively fixedly disposed at two ends of the rotating rod 71, the cam 73 is located at the upper side of the top cover 61, and the edge of the short side of the cam 73 is in contact with the limiting groove 63. When the rotating handle 72 is rotated, the rotating rod 71 drives the cam 73 to rotate, and the cam 73 gradually pushes out the top cover 61 downwards in the limiting groove 63 during rotation, so that the top cover 61 rotates towards the inside of the garbage inner barrel 6, and the nuclear waste on the upper part of the top cover 61 can slide into the garbage inner barrel 6. The nuclear waste is thrown away when being used, so the whole mass is relatively small, when the nuclear waste is placed on the top cover 61, the weight of the nuclear waste is not enough to press the top cover 61 to rotate downwards, and the top cover opening and closing device 7 is arranged to realize the smooth sliding of the nuclear waste into the inner garbage barrel 6; if the weight of the nuclear waste is larger than the torque force value which can be borne by the torque spring 62 in individual cases, the top cover can be opened under the action of the self gravity without the top cover opening and closing device 7 and can slide into the garbage inner barrel 6; at this time, since the top cover 61 is in a closed state when garbage is thrown, when the nuclear waste is placed on the top cover 61, the barrel cover 2 is closed at the same time, and the damage of the nuclear waste in the garbage inner barrel 6 to personnel can be prevented.

Wherein, the number of the limiting grooves 63 can be set to be 1-3, and the number of the corresponding cams 73 is set to be 1-3. When 3 limiting grooves 63 are provided, the positions of the limiting grooves are as shown in fig. 2, the limiting grooves 63 are provided at the middle position and the two side positions adjacent to the torsion spring 62, and the positions of the corresponding cams 73 correspond to the limiting grooves 63; when the number of the limiting grooves 63 is 2, referring to fig. 2, the positions of the limiting grooves are arranged at two sides of the position adjacent to the torsion spring 62, and at this time, 2 cams 73 are arranged and correspond to the positions of the limiting grooves 63; when the number of the limiting grooves 63 is 1, the position thereof is adjacent to the middle position of the torsion spring 62, and at this time, the number of the cams 73 is 1, and the position corresponds to the position of the limiting groove 63. The design of above different positions, all can realize opening top cover 61 downwards when cam 73 rotates, in this embodiment, adopts and sets up three cam 73 and three spacing groove 63.

In this embodiment, the side wall of the barrel cover 2 is provided with a first handle 8, and the bottom of the outer barrel body 1 is further provided with at least two groups of universal wheels 9; the side wall of the outer barrel body 1 is hinged with a switch door 10, and the switch door 10 is arranged opposite to the top cover opening and closing device 7. The first handle 8 is convenient for open the barrel cover 2, the universal wheel 9 is convenient for move the whole garbage barrel, and the switch door 10 is opened to facilitate the replacement of the garbage inner barrel 6.

The utility model discloses when using:

fig. 8 shows a state that the tub cover 2 is opened, and the opened position is only semicircular, and is consistent with the shape of the inner tub 6, and is located right above the inner tub 6, so that the nuclear waste garbage can be thrown in.

When throwing in nuclear waste: firstly, manually pulling the first handle 8 to open the barrel cover 2; secondly, the nuclear waste garbage is placed on the top cover 61; then, the barrel cover 2 is closed, the rotating handle 72 is manually rotated, the rotating rod 71 drives the cam 73 to rotate, the cam 73 presses the top cover 61 to rotate downwards, and therefore nuclear waste garbage on the top cover 61 slides into the garbage inner barrel 6 to be stored; finally, the rotating hand 72 is released, the top cover 61 is restored to the original position under the action of the torsion spring 62, and the opening of the garbage inner barrel 6 is shielded again. In this use, because of bung 2, outer bucket body 1, interior bucket 6 of rubbish and top cap 61 are made by the stereotype of protecting against radiation, and when throwing away nuclear waste rubbish, the inside nuclear waste of bucket 6 in the rubbish is sheltered from to its top cap 61, reduces the injury of shining to personnel, consequently can effectively reduce radiation when using.

When the garbage inner barrel needs to be replaced: first, the knob 53 is moved along the positioning plate 55 by holding the knob 53 by hand, so that the positioning spring 54 is compressed and the positioning pin 56 is separated from the fixing hole 11; secondly, the rotary knob 53 rotates for a circle, at the moment, the positions of the two garbage inner barrels 6 are exchanged, at the moment, the positioning pin 56 reaches the position of the fixing hole 11, the fixing pin 56 is inserted into the fixing hole 11 for fixing, at the moment, the positioning spring 54 presses the rotary knob 53 to ensure that the fixing pin 56 cannot be separated from the fixing hole 11, so that the position of the garbage inner barrel 6 is fixed, and at the moment, the garbage inner barrel 6 is replaced by a new garbage inner barrel 6 for use; and finally, opening the switch door 10 to pull out the full garbage inner barrel 6 for replacement.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides an alternately decay formula nuclear waste garbage bin, includes that outer staving (1) and hinge establish bung (2) at outer staving (1) top, its characterized in that: a supporting plate (3), a turntable mechanism (4), a rotary fixing mechanism (5), two garbage inner barrels (6) and a top cover opening and closing device (7) are arranged in the outer barrel body (1), the supporting plate (3) is fixedly arranged on the inner wall of the outer barrel body (1), the turntable mechanism (4) comprises a rotating table (41), a supporting ring block (42), a rotating shaft (43) and a first bevel gear (44), the rotating shaft (43) penetrates through the top of the supporting plate (3) and is fixedly connected with a rotating table (41), the bottom of the rotating shaft (43) is embedded in the bottom wall of the outer barrel body (1) and is rotationally connected with the bottom wall of the outer barrel body (1) through a first bearing, the supporting ring block (42) is fixedly arranged on the supporting plate (3), the first bevel gear (44) is fixedly sleeved on the rotating shaft (43) and is positioned at the bottom of the supporting plate (3); the two garbage inner barrels (6) are placed on the rotating table (41); the rotary fixing mechanism (5) is rotationally connected with the first bevel gear (44), a top cover (61) is hinged to the top of the garbage inner barrel (6), and the top cover opening and closing device (7) is arranged on the side wall of the outer barrel body (1) and located on the upper side of the top cover (61).

2. An alternate decay nuclear waste bin as set forth in claim 1 wherein: be provided with annular spout (421) on supporting ring piece (42), the fixed annular slider (411) that is provided with in bottom of revolving stage (41), annular slider (411) set up in annular spout (421), and with annular spout (421) sliding connection.

3. An alternate decay nuclear waste bin as set forth in claim 1 wherein: two semicircular fixing grooves (412) are formed in the rotating platform (41), and the garbage inner barrel (6) is clamped in the semicircular fixing grooves (412).

4. An alternate decay nuclear waste bin as set forth in claim 1 wherein: the rotary fixing mechanism (5) comprises a second bevel gear (51), a rotating rod (52), a knob (53), a positioning spring (54), a positioning plate (55), a positioning pin column (56) and a balance plate (57), wherein the balance plate (57) is fixedly arranged between the supporting plate (3) and the bottom wall of the outer barrel body (1), the rotating rod (52) penetrates through the side wall of the balance plate (57) and the side wall of the outer barrel body (1), the second bevel gear (51) and the positioning plate (55) are fixedly arranged at two ends of the side wall respectively, the second bevel gear (51) is meshed with the first bevel gear (44) and is rotatably connected with the rotating rod (52), the positioning spring (54) is arranged between the knob (53) and the positioning plate (55), a fixing hole (11) is formed in the side wall of the outer barrel body (1), and the positioning pin column (56) is fixed on the knob (53), the positioning pin column (56) is inserted in the fixing hole (11).

5. An alternate decay nuclear waste bin as set forth in claim 4 wherein: the gear ratio of the first bevel gear (44) to the second bevel gear (51) is 2: 1.

6. An alternate decay nuclear waste bin as set forth in claim 4 wherein: a clamping block (521) is arranged on the rotating rod (52), a clamping groove (531) matched with the clamping block (521) is formed in the center of the knob (53), the clamping block (521) is clamped in the clamping groove (531), and the knob (53) can be in sliding connection with the clamping block (521) through the clamping groove (531); two fixed disks (522) are fixedly arranged on the rotating rod (52), and the two fixed disks (522) are respectively arranged on two sides of the side wall of the outer barrel body (1).

7. An alternate decay nuclear waste bin as set forth in claim 1 wherein: a torsion spring (62) is arranged between the garbage inner barrel (6) and the top cover (61), two ends of the torsion spring (62) are respectively fixed with the garbage inner barrel (6) and the top cover (61), and the top cover (61) is provided with a limiting groove (63).

8. An alternate decay nuclear waste bin as set forth in claim 7 wherein: top cap device (7) that opens and shuts includes swing arm (71), commentaries on classics hand (72) and cam (73), swing arm (71) run through the lateral wall of outer staving (1) and the lateral wall through second bearing and outer staving (1) rotate and be connected, the both ends of swing arm (71) are fixed respectively and are provided with commentaries on classics hand (72) and cam (73), cam (73) are located the upside of top cap (61), and the edge of its cam (73) minor face with spacing groove (63) contact.

9. An alternate decay nuclear waste bin as set forth in claim 1 wherein: the side wall of the barrel cover (2) is provided with a first handle (8), the bottom of the outer barrel body (1) is further provided with at least two groups of universal wheels (9), the side wall of the outer barrel body (1) is hinged with a switch door (10), and the switch door (10) and the top cover opening and closing device (7) are arranged oppositely.

10. An alternate decay nuclear waste bin as set forth in claim 1 wherein: the outer barrel body (1), the barrel cover (2) and the garbage inner barrel (6) are all made of radiation-proof lead plates.