CN212500545U - Cobalt source goes out to pile with shielding container support location rack conveyer - Google Patents
Cobalt source goes out to pile with shielding container support location rack conveyer Download PDFInfo
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- CN212500545U CN212500545U CN202021559291.5U CN202021559291U CN212500545U CN 212500545 U CN212500545 U CN 212500545U CN 202021559291 U CN202021559291 U CN 202021559291U CN 212500545 U CN212500545 U CN 212500545U
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Abstract
The invention relates to the technical field of nuclear power station transportation tools, and particularly discloses a shielding container supporting and positioning rack transportation device for cobalt source reactor discharge. The device comprises a base and a supporting frame, wherein a supporting ring and a placing pipe are arranged on the base; a support frame is fixed on the base, and a plurality of first through holes corresponding to the placing pipes are formed in the upper surface of the support frame; the upper surface of the support frame is also provided with a second through hole which is matched and corresponding to the support ring; the bottom of the base is provided with a plurality of wheels, so that the base can move. This device is convenient unpacks shielding container support location rack apart the back and stabilizes the transportation, utilizes butterfly nut to realize stabilizing the clamp tightly to shielding container's holding ring and shielding container's support mesa to the regulation of clamp plate, has improved the stability and the security of transportation, and reasonable in design, and convenient operation accords with the demand of heavy water reactor nuclear power station.
Description
Technical Field
The invention belongs to the technical field of nuclear power station transportation tools, and particularly relates to a shielding container supporting and positioning rack transportation device for cobalt source reactor discharge.
Background
The cobalt source of the heavy water reactor nuclear power unit has very high radiation dose, and the cobalt source is taken out of the reactor core and then needs to be loaded into a special ray shielding container for transportation, the shielding container is about 18 tons, cobalt source lifting operation needs to be vertically carried out above a passage opening, the shielding container needs to be supported and positioned by using a shielding container supporting and positioning rack, and the shielding container supporting and positioning rack consists of a positioning ring of the shielding container, a supporting table top of the shielding container and supporting legs. The existing shielding container supporting and positioning rack conveying device is poor in stability, the shielding container supporting and positioning rack cannot be effectively fixed, the shielding container supporting and positioning rack needs to be supported by manpower in the whole conveying process to be fixed, the condition that the shielding container supporting and positioning rack falls off due to poor personnel cooperation also occurs in the past, the shielding container supporting and positioning rack has fixed pollution, and personnel directly contact in the conveying process also has the risk that the personnel receive extra radiation dose.
Disclosure of Invention
The invention aims to provide a shielding container supporting and positioning rack conveying device for cobalt source discharge and stacking, which solves the defects of the conventional shielding container supporting and positioning rack.
The technical scheme of the invention is as follows: a shielding container supporting and positioning rack transportation device for cobalt source discharge comprises a base and a supporting frame, wherein a supporting ring and a placing pipe are arranged on the base; a support frame is fixed on the base, and a plurality of first through holes corresponding to the placing pipes are formed in the upper surface of the support frame; the upper surface of the support frame is also provided with a second through hole which is matched and corresponding to the support ring; the bottom of the base is provided with a plurality of wheels, so that the base can move.
A lantern ring is arranged in the support ring, and the support ring corresponds to the size of a support table top on a support positioning rack of the shielding container to be transported; the lantern ring corresponds to the size of the flat-plate container positioning ring on the shielding container supporting and positioning rack to be transported.
The base is also provided with a screw, a pressing plate is sleeved on the screw, and the pressing plate is limited and fixed by a butterfly nut; the pressure plate can compress, fix and limit the supporting table surface and the positioning ring in the shielding container supporting and positioning rack which is placed on the supporting ring.
The placing pipes are arranged at four corners of the base; the first through holes on the support frame are correspondingly matched with the four corners of the support frame; supporting legs in the shielding container supporting and positioning rack to be transported are inserted into the placing pipe from the first through holes, and the supporting legs are limited and fixed.
One side of the base is provided with a connecting frame, and the connecting frame is connected with the traction frame through a rotating shaft; the base is provided with a support rod, the support rod is provided with a connecting rod, and the traction frame can be clamped and limited at a vertical position by utilizing a hook arranged on the connecting rod.
The traction frame is of a triangular frame structure, a hanging block is arranged on a middle rod of the traction frame, and the hook can be clamped on the hanging block to fold the traction frame.
The wheels are high-strength nylon wheels, the tail wheels are straight wheels, the front wheels are universal wheels, and the universal wheels are provided with brakes.
And a protective cover corresponding to the wheel is fixed on the side surface of the base.
And the middle of the bottom of the base is provided with a mandril, the metal rod-shaped mandril is in threaded fit with the base, and the metal rod is welded on the bottom side of the surface of the mandril along the circumference.
A first handrail is arranged on one side of the upper surface of the support frame, and a second handrail is arranged on the other side of the upper surface of the support frame.
The invention has the following remarkable effects: compared with the prior art, the shielding container supporting and positioning rack transportation device for cobalt source discharge and stacking has the following advantages that: (1) the conveying device can be used for carrying out split conveying on the flat container supporting and positioning rack, so that the positioning ring of the shielding container and the supporting table top of the shielding container can be stably fixed; (2) the pressure plate is stably pressed on the upper end face of the positioning ring of the shielding container by utilizing the adjustment of the butterfly nut, so that the positioning ring of the shielding container and the supporting table top of the shielding container are stably positioned, the positioning ring and the supporting table top of the shielding container are more stable in transportation, the sliding is prevented, the collision of the supporting and positioning table frame of the shielding container is avoided, and the safety is improved; (3) the first handrail, the second handrail, the traction frame and the hoisting ring are arranged, so that the trolley can be conveniently pulled by combining manpower and machinery, the labor is saved, the hoisting ring can be used for hoisting, and the installation is more convenient; (4) the trolley is supported by the ejector rod when being parked for a long time, so that the wheels are further protected, the trolley is prevented from pressing the wheels for a long time, and the service life of the wheels is prolonged; (5) through placing the cooperation of pipe and first through-hole, and then be convenient for support the supporting leg of location rack with shielding container and insert, it is safer to transport after the split, and the support ring is corresponding with shielding container's support mesa size, and the lantern ring is corresponding with shielding container's holding ring, supports the stable location of location rack with the shielding container of corresponding size on this dolly, transports more steadily.
Drawings
FIG. 1 is a schematic structural view of a transportation device of a support and positioning rack for a shielding container for cobalt source discharge and stacking according to the present invention;
FIG. 2 is a top view of the base and the drawing frame of the transportation device of the shielding container supporting and positioning rack for cobalt source discharge pile according to the present invention;
FIG. 3 is a top view of a shielding container supporting and positioning table frame transportation device for cobalt source discharge pile according to the present invention;
in the figure: 1. a first armrest; 2. hanging blocks; 3. a traction frame; 4. a connecting frame; 5. a top rod; 6. a support ring; 7. a base; 8. a wheel; 9. a protective cover; 10. placing a tube; 11. a support frame; 12. a second handrail; 13. a butterfly nut; 14. a screw; 15. pressing a plate; 16. hoisting a ring; 17. a collar; 18. a rotating shaft; 19. a support bar; 20. hooking; 21. a connecting rod; 22. a first through hole; 23. a second via.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1 to 3, a cobalt source stacking shielding container supporting and positioning rack transportation device comprises a base 7 and a support frame 11, wherein the base 7 is of a flat plate structure, the bottom of the base is uniformly provided with a plurality of wheels 8, the side surface of the base 7 is fixedly welded with a protective cover 9 corresponding to the wheels 8, the protective cover 9 is fixedly welded with a hoisting ring 16, the wheels 8 are high-strength nylon wheels, the tail wheels 8 are straight wheels, the front wheels 8 are universal wheels, and the universal wheels are provided with brakes; the middle of the bottom of the base 7 is provided with the ejector rod 5, the metal rod-shaped ejector rod 5 is in threaded fit with the base 7, the metal rod is welded on the bottom side of the surface of the ejector rod 5 along the circumference, and when the transportation device is in a static state, the ejection rod 5 can be rotated to support the transportation device and prevent the transportation device from pressing the wheels 8 for a long time; the middle part of the upper surface of the base 7 is welded with the support ring 6, the middle part of the upper surface of the base 7 is welded with the screw 14, the long strip-shaped plate-shaped pressing plate 15 can be sleeved on the screw 14, and the butterfly nut 13 arranged on the screw 14 is utilized to limit and fix the pressing plate 15; a lantern ring 17 is sleeved inside the supporting ring 6, so that the size of the supporting ring 6 corresponds to that of a supporting table top of the shielding container, and the size of the lantern ring 17 corresponds to that of a positioning ring of the shielding container; a connecting frame 4 is fixedly welded on one side of the base 7, and the traction frame 3 of the triangular frame structure is connected with the connecting frame 4 through a rotating shaft 18; a support rod 19 is fixedly welded in the middle of one side of the fixed connecting frame 4 on the upper surface of the base 7, a connecting rod 21 is welded on the side surface of the support rod, a hook 20 is installed on the connecting rod 21, and when the traction frame 3 turns to the base 7, the hook 20 can be clamped on a hanging block 2 welded in the middle of the traction frame 3 to fold the traction frame 3; a support frame 11 is welded on the base 7, first through holes 22 are formed in four corners of the support frame 11, and each first through hole 22 is matched with and corresponds to the size of the placing pipe 10 arranged in the four corners of the base 7; a second through hole 23 is formed in the middle of the upper surface of the support frame 11, so that the size and the position of the second through hole 23 are matched with and correspond to the size of the support ring 6 on the base 7; a second handrail 12 is welded on one side of the upper surface of the support frame 11, and a first handrail 1 is welded and fixed on the other side of the upper surface of the support frame 11.
The specific working process of the shielding container supporting and positioning rack transportation device for cobalt source discharge pile comprises the following steps: when the shielding container supporting and positioning rack is transported, the shielding container supporting and positioning rack is split into a positioning ring of a shielding container, a supporting table top of the shielding container and supporting legs, the supporting table top of the shielding container is firstly hung above a supporting ring 6, the four supporting legs are inserted into a placing pipe 10 through a first through hole 22, the positioning ring of the shielding container is then hung on the supporting table top, a pressing plate 15 is sleeved on a screw rod 14, a butterfly nut 13 is screwed, so that the pressing plate 15 clamps and positions the positioning ring and the supporting table top of the shielding container, firstly, a traction frame 3 is rotated to be in a vertical state, a hook 20 is hung on a hanging block 2, a first handrail 1 or a second handrail 12 is manually pulled, when the traction frame is moved to be capable of being dragged by a vehicle, the hook 20 is rotated, then, the traction frame 3 is released, and the traction frame 3 is hung on the vehicle to realize the traction of a trolley, when a crane is used for lifting, a shackle is arranged on the lifting ring 16, and a hanging strip is used for lifting.
Claims (10)
1. A shielding container supporting and positioning rack transportation device for cobalt source discharge is characterized by comprising a base (7) and a supporting frame (11), wherein the base (7) is provided with a supporting ring (6) and a placing pipe (10); a support frame (11) is fixed on the base (7), and a plurality of first through holes (22) corresponding to the placing pipes (10) are formed in the upper surface of the support frame (11); the upper surface of the support frame (11) is also provided with a second through hole (23) which is matched and corresponding to the support ring (6); the bottom of the base (7) is provided with a plurality of wheels (8) to realize the movement of the base (7).
2. The shielding container supporting and positioning rack transportation device for cobalt source discharge pile according to claim 1, characterized in that a collar (17) is arranged in the support ring (6), and the support ring (6) corresponds to the size of the supporting table on the shielding container supporting and positioning rack to be transported; the lantern ring (17) corresponds to the size of the flat-plate container positioning ring on the shielding container supporting and positioning rack to be transported.
3. The cobalt source is piled up and is supported and positioned rack conveyer with shielding container according to claim 2, characterized by that, the said base (7) also has threaded spindle (14), and coat with the clamp plate (15) on the threaded spindle (14), and utilize the butterfly nut (13) to carry on the spacing fixation to the said clamp plate (15); the pressure plate (15) can compress, fix and limit the supporting table surface and the positioning ring in the shielding container supporting and positioning rack which is placed on the supporting ring (6).
4. The cobalt source is piled up and is supported the position bench conveyer with shielding container of claim 1, characterized by, the said placing tube (10) is set up in the four corners of the base (7); the first through holes (22) on the support frame (11) are matched and correspondingly arranged at four corners of the support frame (11); supporting legs in a shielding container supporting and positioning rack to be transported are inserted into the placing pipe (10) from the first through hole (22), and limiting and fixing of the supporting legs are achieved.
5. The shielding container supporting and positioning rack transportation device for cobalt source discharge from pile as claimed in claim 1, characterized in that a connecting frame (4) is arranged on one side of the base (7), and the connecting frame (4) is connected with the traction frame (3) through a rotating shaft (18); the base (7) is provided with a support rod (19), the support rod (19) is provided with a connecting rod (21), and the traction frame (3) can be clamped and limited at a vertical position by utilizing a hook (20) arranged on the connecting rod (21).
6. The shielding container supporting and positioning rack transportation device for cobalt source discharge and stacking as claimed in claim 5, wherein the traction frame (3) is of a triangular frame structure, a hanging block (2) is arranged on a middle rod of the traction frame, and the hook (20) can be clamped on the hanging block (2) to retract the traction frame (3).
7. The cobalt source is piled and is supported location rack conveyer with shielding container of claim 1, characterized by, that wheel (8) is high strength nylon wheel, and afterbody wheel (8) is straight wheel, and front portion wheel (8) is universal wheel, and has the brake on the universal wheel.
8. The cobalt source is piled up with shielding container and is supported and positioned the rack conveyer according to claim 1, characterized in that, the base (7) side is fixed with the safety cover (9) corresponding to the wheel.
9. The shielding container supporting and positioning rack transportation device for cobalt source discharge and stacking as claimed in claim 1, wherein a top rod (5) is installed in the middle of the bottom of the base (7), the top rod (5) in the shape of a metal rod is in threaded fit with the base (7), and the metal rod is welded on the bottom side of the surface of the top rod (5) along the circumference.
10. The cobalt source is piled up and is supported position rack conveyer with shielding container of claim 1, characterized in that, the support frame (11) upper surface one side is equipped with first handrail (1), support frame (11) upper surface other side is equipped with second handrail (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021559291.5U CN212500545U (en) | 2020-07-31 | 2020-07-31 | Cobalt source goes out to pile with shielding container support location rack conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021559291.5U CN212500545U (en) | 2020-07-31 | 2020-07-31 | Cobalt source goes out to pile with shielding container support location rack conveyer |
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| CN212500545U true CN212500545U (en) | 2021-02-09 |
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| CN202021559291.5U Active CN212500545U (en) | 2020-07-31 | 2020-07-31 | Cobalt source goes out to pile with shielding container support location rack conveyer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976806A (en) * | 2020-07-31 | 2020-11-24 | 中核核电运行管理有限公司 | Cobalt source goes out to pile with shielding container support location rack conveyer |
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2020
- 2020-07-31 CN CN202021559291.5U patent/CN212500545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976806A (en) * | 2020-07-31 | 2020-11-24 | 中核核电运行管理有限公司 | Cobalt source goes out to pile with shielding container support location rack conveyer |
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