Nuclear waste part saw

Abstract

The utility model belongs to the technical field of nuclear waste treatment, and particularly relates to a nuclear waste part saw which comprises a workbench, a pressing mechanism and a saw belt bed which are installed in a protective outer cover, an installation tool is installed on the workbench, nuclear waste parts are placed on the installation tool, the pressing mechanism is arranged on the side edge of the workbench, and the saw belt bed is arranged on the workbench. The output end of the pressing mechanism is movably arranged above the workbench, the two sides of the saw band bed are arranged on the two sides of the workbench in a sliding mode, and a saw band of the saw band bed is arranged above the workbench in a lifting mode. When large nuclear waste parts are processed, only the nuclear waste parts need to be manually fixed, subsequent cutting is completely completed by the nuclear waste part saw, the contact time of workers and the nuclear waste parts is shortened, and the possibility that the nuclear waste parts are harmful to human bodies is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of nuclear waste treatment, and in particular relates to a nuclear waste saw. Background Art

[0002] The development of nuclear energy has also brought about a thorny issue, which is how to deal with and store nuclear waste. Nuclear waste refers to radioactive materials produced during the production, processing and use of nuclear fuel and nuclear reactors. They are potentially harmful to the environment and human health and need to be safely managed and disposed of.

[0003] Solid nuclear waste includes compressible waste, incompressible waste with less radioactivity, solid waste with stronger radioactivity, etc. When handling solid nuclear waste, some large pieces of solid nuclear waste need to be cut into multiple pieces manually, and then the small pieces of nuclear waste need to be uniformly treated or incinerated. However, when manually handling large pieces of nuclear waste, even if the workers wear protective clothing, it is impossible to ensure that the nuclear waste will not cause harm to the workers' bodies. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and provide a nuclear waste saw which can automatically process nuclear waste without manual processing, thereby reducing the possibility of nuclear waste causing harm to the human body.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a nuclear waste saw, including a workbench, a clamping mechanism and a saw belt bed, an installation tool is installed on the workbench, the nuclear waste parts are placed on the installation tool, the clamping mechanism is arranged on the side of the workbench, the output end of the clamping mechanism is movably arranged above the workbench, the two sides of the saw belt bed are slidably arranged on both sides of the workbench, and the saw belt of the saw belt bed can be raised and lowered above the workbench.

[0006] Preferably, the clamping mechanism comprises a plurality of fixed cylinders which are symmetrically arranged on both sides of the workbench, and a pressing plate is detachably mounted on the upper ends of the two symmetrically arranged fixed cylinders.

[0007] Preferably, two locking holes are respectively provided on the pressure plate, and a mounting hole is respectively provided on the same side of the two locking holes, the mounting hole is connected with the locking hole, the aperture of the mounting hole is larger than the diameter of the locking hole, the length of the connection point between the mounting hole and the locking hole is not less than the diameter of the output end of the fixed cylinder, and the pressure plate is fixed to the fixed cylinder by a locking nut.

[0008] Preferably, the workbench is fixedly arranged on the base, and movable guide rails are arranged on both sides of the workbench on the base, and both sides of the saw belt bed are slidably arranged on the movable guide rails, and the saw belt bed is connected to a movable driving assembly.

[0009] Preferably, the mobile drive assembly includes a rack, a gear and a mobile motor, the rack is arranged on the side of the workbench parallel to the mobile guide rail, the mobile motor is fixedly installed on the saw belt bed, the gear is fixedly arranged on the output shaft of the mobile motor, and the gear is meshed with the rack.

[0010] Preferably, a telescopic shield is provided on the outer cover of the movable guide rail, one end of the telescopic shield is connected to the saw belt bed, and the other end of the telescopic shield is connected to the end of the movable guide rail.

[0011] Preferably, a plurality of saw piece clearance grooves are arranged at intervals along the length direction on the installation tool, and the saw piece clearance grooves are arranged corresponding to the saw band.

[0012] Preferably, a positioning plate is fixedly provided on the side of the end of the installation tool.

[0013] Preferably, a protective outer cover is provided on the outer cover of the workbench, the clamping mechanism and the saw belt bed, and a protective door is provided on each side of the protective outer cover corresponding to the length direction of the workbench.

[0014] Preferably, the saw band bed includes a fixed frame and a saw band assembly, the saw band assembly includes a saw band, the fixed frame is horizontally slidably installed on the side of the workbench, a lifting guide rail is vertically arranged on the fixed frame, and the saw band assembly is slidably connected to the lifting guide rail.

[0015] Compared with the prior art, the above technical scheme has the following beneficial effects: 1. The utility model includes a workbench, a clamping mechanism and a saw belt bed installed in a protective outer cover. The nuclear waste parts are placed on the installation tooling. After the nuclear waste parts are installed, the nuclear waste parts are fixed and clamped by the clamping mechanism. The two sides of the saw belt bed are slidingly arranged on both sides of the workbench. After the saw belt descends to saw off large nuclear waste parts, the saw belt rises, the saw belt bed slides a certain distance, and the saw belt descends again to saw off the nuclear waste parts. In this way, the large nuclear waste parts are gathered into several small sections for many times, which is convenient for the subsequent processing of the nuclear waste parts. When processing large nuclear waste parts, the utility model only needs to manually fix the nuclear waste parts, and the subsequent cutting is completely completed by the nuclear waste saw, which shortens the contact time between the staff and the nuclear waste parts and reduces the possibility of nuclear waste parts causing harm to the human body.

[0016] 2. Two locking holes and two mounting holes are respectively arranged on the pressure plate. The diameter of the mounting holes is large, and the installation is convenient. After installing it on the fixed cylinder, just pull the pressure plate toward the locking hole, which shortens the time for installing the pressure plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a partial structural schematic diagram of the utility model.

[0018] Figure 2 It is a structural schematic diagram of the utility model.

[0019] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0020] Figure 4 It is a structural schematic diagram of the pressure plate.

[0021] Figure 5 It is a schematic diagram of the structure of the other side inside the utility model.

[0022] Figure 6 It is a structural diagram of the walking mechanism.

[0023] Figure 7 This is a schematic diagram of the structure of the installation tooling.

[0024] Among them: 1. nuclear waste parts 2, protective cover 3, fixing parts 4, protective door 5, observation window 6, supporting legs 7, columns 8, fixing frame 9, saw bow 10, saw wheel guard 11, lifting guide rail 12, connecting seat 13, fixed cylinder 14, pressure plate 15, installation tooling 16, workbench 17, moving guide rail 18, base 19, rack 20, mobile motor 21, saw band bed 22, tensioning assembly 23, drive motor 24, saw band 25, telescopic guard 26, gear 27, positioning plate 1401, mounting hole 1402, locking hole 1501, nuclear waste make way groove 1502, saw piece make way groove. DETAILED DESCRIPTION

[0025] Figures 1 to 7 It is the best embodiment of the utility model, and the following Figures 1 to 7 The utility model is further described.

[0026] like Figure 1~2 As shown, a nuclear waste saw of the utility model comprises a workbench 16, a clamping mechanism and a saw belt bed 21. A mounting tool 15 is fixedly mounted on the workbench 16. The nuclear waste 1 is placed on the mounting tool 15. The clamping mechanism is arranged on the side of the workbench 16. The output end of the clamping mechanism is movably arranged above the workbench 16. After the nuclear waste 1 is placed on the mounting tool 15, the clamping mechanism clamps the nuclear waste 1 to fix the nuclear waste 1. Both sides of the saw belt bed 21 are slidably arranged on both sides of the workbench 16. The saw belt The saw belt 24 of the bed 21 is liftably arranged above the workbench 16. After the saw belt 24 descends to saw off a small part of the nuclear waste 1, the saw belt 24 rises and resets, and the saw belt bed 21 slides along the length direction of the workbench 16. After sliding one end distance, the saw belt 24 descends again to saw off a small section of the nuclear waste 1. This process is repeated until the nuclear waste 1 is sawn into several small pieces, which is convenient for the subsequent processing of the nuclear waste 1. The utility model shortens the contact time between the staff and the nuclear waste and reduces the possibility of nuclear waste causing harm to the human body.

[0027] In this embodiment, a base 18 is also provided, and a workbench 16 is fixedly arranged on the base 18, a clamping mechanism is installed on both sides of the workbench 16 on the base 18, and a saw belt bed 21 is slidably arranged on the base 18; a protective outer cover 2 is provided on the outer cover of the workbench 16, the clamping mechanism and the saw belt bed 21, and a protective door 4 is provided on each side of the protective outer cover 2 corresponding to the length direction of the workbench 16. The staff transports the nuclear waste parts 1 into the device through the protective door 4 on the front side of the workbench 16, and the small nuclear waste parts 1 after cutting are transported out from the protective door 4 on the other side. In this embodiment, a plurality of supporting legs 6 are provided at the lower end of the protective outer cover 2, and an observation window 5 is also provided on the side of the protective outer cover 2 to facilitate the staff to observe the internal working conditions.

[0028] In this embodiment, one end of the nuclear waste piece 1 includes a vertical long rod. Therefore, in order to better fix the nuclear waste piece 1, a fixing part 3 is also provided on the protective outer cover 2. The fixing part 3 is provided with a clamp near the nuclear waste piece 1, and the long rod of the nuclear waste piece 1 is fixed by the clamp.

[0029] like Figure 3 As shown, the clamping mechanism in this embodiment includes a plurality of fixed cylinders 13, which are mounted on a base 18. The fixed cylinders 13 are symmetrically arranged on both sides of a workbench 16. The two fixed cylinders 13 on both sides of the workbench 16 form a group, and a plurality of groups of fixed cylinders 13 are arranged at intervals. A pressing plate 14 is detachably installed on the upper ends of the two symmetrically arranged fixed cylinders 13. After the nuclear waste part 1 is placed on the mounting tool 15, the pressing plate 14 is installed on the two symmetrical fixed cylinders 13. The output end of the fixed cylinder 13 moves downward so that the pressing plate 14 presses the nuclear waste part 1, thereby fixing the nuclear waste part 1.

[0030] like Figure 4 As shown, two locking holes 1402 are respectively provided on the pressure plate 14, and a mounting hole 1401 is respectively provided on the same side of the two locking holes 1402, the mounting hole 1401 is connected with the locking hole 1402, the diameter of the mounting hole 1401 is larger than the diameter of the output end of the fixed cylinder 13, the aperture of the mounting hole 1401 is larger than the diameter of the locking hole 1402, the diameter of the locking hole 1402 is substantially the same as the diameter of the output end of the fixed cylinder 13, and the length of the connection between the mounting hole 1401 and the locking hole 1402 is Not less than the diameter of the output end of the fixed cylinder 13. When installing the pressure plate 14, since the two ends of the pressure plate 14 need to be respectively installed on the two fixed cylinders 13, the diameter of the mounting hole 1401 is enlarged, which saves the time of aligning the holes at both ends, and the pressure plate 14 is more conveniently installed on the fixed cylinder 13. After installing it into the mounting hole 1401, pull the pressure plate 14 to one side of the locking hole 1402, and the output end of the fixed cylinder 13 enters the locking hole 1402, and then is fixed to the fixed cylinder 13 by the locking nut.

[0031] like Figure 5 As shown, the lower ends of both sides of the saw band bed 21 are slidably arranged on the base 18, and the moving guide rails 17 are arranged on both sides of the workbench 16 on the base 18. The two sides of the saw band bed 21 are slidably arranged on the moving guide rails 17. The saw band bed 21 is connected to a moving drive assembly, and the moving drive assembly drives the saw band bed 21 to slide along the moving guide rails 17. After the saw band 24 of the saw band bed 21 completes a small section of cutting, the moving drive assembly drives the saw band bed 21 to move a distance along the moving guide rails 17 for the next cutting. A telescopic shield 25 is arranged on the outer cover of the moving guide rail 17, one end of the telescopic shield 25 is connected to the saw band bed 21, and the front and rear of the saw band bed 21 are connected to the telescopic shield 25, and the other end of the telescopic shield 25 is connected to the end of the moving guide rail 17. Regardless of whether the saw band bed 21 moves forward or backward, the telescopic shield 25 is arranged on the entire moving guide rail 17.

[0032] like Figure 6 As shown, the mobile driving assembly includes a rack 19, a gear 26 and a mobile motor 20. The rack 19 is arranged on the side of the workbench 16 parallel to the mobile guide rail 17. The mobile motor 20 is fixedly installed on the saw belt bed 21. The gear 26 is fixedly arranged on the output shaft of the mobile motor 20. The gear 26 is meshed with the rack 19. When the mobile motor 20 works, the gear 26 rotates. Since the gear 26 is meshed with the rack 19, the gear 26 moves linearly along the rack 19, thereby driving the saw belt bed 21 to slide linearly.

[0033] like Figure 7 As shown, the installation tool 15 is provided with a plurality of saw piece clearance grooves 1502 at intervals along the length direction, and the saw piece clearance grooves 1502 are provided corresponding to the saw belt 24. When the saw belt 24 cuts the nuclear waste 1, if the nuclear waste 1 is directly placed on the installation tool, the saw belt 24 will saw the installation tool 15 or fail to completely cut the nuclear waste 1, so a plurality of saw piece clearance grooves 1502 are provided to facilitate cutting the nuclear waste 1. In this embodiment, a plurality of long rods are provided protruding from the lower end of the nuclear waste 1, so a nuclear waste clearance groove is also processed in the middle of the installation tool 15 accordingly, and the specific shape of the installation tool 15 can be processed according to the specific shape of the nuclear waste 1.

[0034] A positioning plate 27 is fixedly provided on the side of the end of the installation tool 15. The positioning plate 27 can locate the position of each installation of the nuclear waste part 1, so as to facilitate more uniform cutting of the nuclear waste part 1.

[0035] The saw band bed 21 includes a fixed frame 8 and a saw band assembly. The fixed frame 8 is connected to two columns 7. The lower ends of the columns 7 are slidably connected to the movable guide rail 17. Two lifting rails 11 are vertically arranged on the columns 7. The saw band assembly is installed on the fixed frame 8. The fixed frame 8 is slidably connected to the lifting rail 11 through a connecting seat 12. When the fixed frame 8 descends, the saw band assembly descends to cut the nuclear waste 1. After the cutting is completed, the saw band assembly rises. After the saw band bed 21 moves to the next cutting position, the saw band assembly descends again.

[0036] Specifically, the saw band assembly includes a saw bow 9, a saw wheel and a saw band 24. The saw band 24 is wound around the two saw wheels. Saw wheel guards 10 are provided on the outsides of the two saw wheels. One of the saw wheels is connected to a drive motor 23. The drive motor 23 rotates to drive the saw wheel to rotate, so that the saw band 24 rotates around the saw wheel to complete the cutting. A tensioning assembly 22 is also provided on the other saw wheel that is not connected to the drive motor 23. The tension of the saw band 24 is adjusted by the tensioning assembly 22.

[0037] When the utility model is in use, the staff puts the large nuclear waste part 1 on the installation tooling 15, and then fixes each pressing plate 14 on the fixed cylinder 13, and the output end of each fixed cylinder 13 moves downward, driving the pressing plate 14 to press the nuclear waste part 1 downward, and the saw belt bed 21 moves to the first cutting position, the saw belt bed 21 moves downward along the lifting guide rail 11, and the saw belt 11 cuts a small section of the nuclear waste part 1. The saw belt 24 of the saw belt bed 21 stops rotating, and the saw belt bed 21 moves upward along the lifting guide rail 11. The column 7 drives the saw belt bed 21 to move to the next cutting position along the moving guide rail 17, and the saw belt bed 21 descends again to cut the nuclear waste part 1 until the nuclear waste part 1 is cut into a plurality of small pieces. The staff collects and transports the small nuclear waste parts 1 for unified treatment. When cutting large nuclear waste parts, the utility model only needs to manually fix the nuclear waste parts, and the subsequent cutting is completely completed by the nuclear waste saw, which shortens the contact time between the staff and the nuclear waste parts and reduces the possibility of nuclear waste parts causing harm to the human body.

[0038] The above is only the preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model.

Claims

1. A nuclear waste saw, characterized in that: The invention comprises a workbench (16), a clamping mechanism and a saw belt bed (21), wherein an installation tool (15) is installed on the workbench (16), the clamping mechanism is arranged on the side of the workbench (16), the output end of the clamping mechanism is movably arranged above the workbench (16), the two sides of the saw belt bed (21) are slidably arranged on the two sides of the workbench (16), and the saw belt (24) of the saw belt bed (21) is liftably arranged above the workbench (16).

2. A nuclear waste saw according to claim 1, characterized in that: The clamping mechanism comprises a plurality of fixed cylinders (13), the fixed cylinders (13) being symmetrically arranged on both sides of a workbench (16), and a pressing plate (14) being detachably mounted on the upper ends of the two symmetrically arranged fixed cylinders (13).

3. A nuclear waste saw according to claim 2, characterized in that: Two locking holes (1402) are respectively provided on the pressing plate (14), and a mounting hole (1401) is respectively provided on the same side of the two locking holes (1402); the mounting hole (1401) is connected to the locking hole (1402); the diameter of the mounting hole (1401) is larger than the diameter of the locking hole (1402); the length of the connection point between the mounting hole (1401) and the locking hole (1402) is not less than the diameter of the output end of the fixed cylinder (13); and the pressing plate (14) is fixed to the fixed cylinder (13) by a locking nut.

4. A nuclear waste saw according to claim 1, characterized in that: The workbench (16) is fixedly arranged on a base (18), and movable guide rails (17) are arranged on both sides of the workbench (16) on the base (18). Both sides of the saw belt bed (21) are slidably arranged on the movable guide rails (17), and the saw belt bed (21) is connected to a movable drive assembly.

5. A nuclear waste saw according to claim 4, characterized in that: The mobile drive assembly comprises a rack (19), a gear (26) and a mobile motor (20); the rack (19) is arranged on a side of the workbench (16) parallel to the mobile guide rail (17); the mobile motor (20) is fixedly mounted on the saw belt bed (21); the gear (26) is fixedly mounted on an output shaft of the mobile motor (20); and the gear (26) is meshed with the rack (19).

6. A nuclear waste saw according to claim 4, characterized in that: A telescopic shield (25) is provided on the outer cover of the movable guide rail (17), one end of the telescopic shield (25) is connected to the saw belt bed (21), and the other end of the telescopic shield (25) is connected to the end of the movable guide rail (17).

7. The nuclear waste saw according to claim 1, characterized in that: A plurality of saw piece clearance grooves (1502) are arranged at intervals along the length direction on the installation tool (15), and the saw piece clearance grooves (1502) are arranged corresponding to the saw band (24).

8. The nuclear waste saw according to claim 1, characterized in that: A positioning plate (27) is fixedly arranged on the side of the end of the installation tool (15).

9. The nuclear waste saw according to claim 1, characterized in that: A protective outer cover (2) is provided on the outer cover of the workbench (16), the clamping mechanism and the saw belt bed (21), and a protective door (4) is provided on each side of the protective outer cover (2) corresponding to the length direction of the workbench (16).

10. The nuclear waste saw according to claim 1, characterized in that: The saw band bed (21) comprises a fixed frame (8) and a saw band assembly, wherein the saw band assembly comprises a saw band (24), the fixed frame (8) is horizontally slidably mounted on the side of a workbench (16), a lifting guide rail (11) is vertically arranged on the fixed frame (8), and the saw band assembly is slidably connected to the lifting guide rail (11).

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