Automatic transfer vehicle and transfer system

Abstract

The present invention discloses an automatic transfer vehicle and an automatic rotating vehicle including the automatic transfer vehicle, including a vehicle body, and a bottom support assembly and a clamping mechanism arranged on the vehicle body, wherein the bottom support assembly is used to support the lower end of a workpiece, the clamping mechanism includes an automatic clamping assembly and a clamping transmission assembly, the automatic clamping assembly includes a first clamping unit and a second clamping unit, the first clamping unit and the second clamping unit are closed to clamp the upper end of the workpiece, and the clamping transmission assembly is connected to the automatic clamping assembly to control the opening and closing of the first clamping unit and the second clamping unit. The automatic transfer vehicle can realize the automatic transfer of MOX components, and can effectively prevent the MOX components from shaking and surface scratches during the automatic transfer process.

Description

Technical Field

[0001] The invention belongs to the technical field of nuclear industry, and in particular relates to an automatic transfer vehicle and a transfer system comprising the automatic transfer vehicle. Background Art

[0002] The MOX components used in fast neutron reactors need to be assembled, tested, stored and packed.

[0003] After assembly and testing, MOX components need to be transferred from the assembly workshop to the storage workshop. When MOX components are packed, they need to be transferred from the storage workshop to the packing workshop. The span of each room is large, and it is impossible to transfer across rooms only by high-precision CNC cranes. Therefore, it is necessary to set up an automatic transfer vehicle to cooperate with high-precision CNC cranes to transfer MOX components across rooms, ensuring that the components are vertical and do not shake during the automatic transfer process to avoid scratches and other damages on the outer surface of the components.

[0004] Due to the high radiation dose of MOX components, personnel cannot operate on-site, and they need to be transported using a fully automated transfer vehicle, but such a transfer vehicle is currently not available. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide an automatic transfer vehicle and a transfer system including the automatic transfer vehicle in view of the above-mentioned deficiencies in the prior art. The automatic transfer vehicle can realize the automatic transfer of MOX components and can effectively prevent the MOX components from shaking and surface scratches during the automatic transfer process.

[0006] In order to solve the above problems, the present invention adopts the following technical solutions:

[0007] An automatic transfer vehicle comprises a vehicle body, and a bottom support assembly and a clamping mechanism arranged on the vehicle body, wherein the bottom support assembly is used to support the lower end of a workpiece, and the clamping mechanism comprises an automatic clamping assembly and a clamping transmission assembly, the automatic clamping assembly comprises a first clamping unit and a second clamping unit, the first clamping unit and the second clamping unit are folded together to clamp the upper end of the workpiece, and the clamping transmission assembly is connected to the automatic clamping assembly and is used to control the opening and closing of the first clamping unit and the second clamping unit.

[0008] Preferably, it also includes a shielding box, which is arranged on the vehicle body and includes a box body, a box door and a box door transmission assembly, the workpiece is arranged in the box body, the box door transmission assembly is installed on the box body and connected to the box door for controlling the opening and closing of the box door.

[0009] Preferably, the box door transmission assembly includes a first motor and a movable hinge. The box door is installed on the box body through the movable hinge. One end of the first transmission shaft of the movable hinge is connected to the output end of the first motor. The movable hinge is driven to rotate by the first motor, thereby controlling the opening and closing of the box door.

[0010] Preferably, the rotation range of the door is 0 to 90°.

[0011] Preferably, the automatic clamping assembly also includes a mounting plate and a double spiral screw, the mounting plate being arranged on the top of the box body, the double spiral screw being mounted on the mounting plate, and one end of the double spiral screw being connected to the clamping transmission assembly, the first clamping unit including a first clamping jaw and a first slider, the second clamping unit including a second clamping jaw and a second slider, the first slider and the second slider being both connected to the double spiral screw, the first clamping jaw and the second clamping jaw being connected to the first slider and the second slider respectively, the first clamping jaw being provided with a first groove, the second clamping jaw being provided with a second groove, and the first groove on the first clamping jaw and the second groove on the second clamping jaw being arranged opposite to each other, when the first slider and the second slider are brought close to each other, the first groove and the second groove are closed and combined to form a shape adapted to the outer shape of the upper part of the workpiece, thereby clamping the workpiece, and the double spiral screw is driven to rotate by the clamping transmission assembly so that the first slider and the second slider are moved closer to or away from each other, thereby controlling the opening and closing of the first clamping jaw and the second clamping jaw.

[0012] Preferably, the automatic clamping assembly also includes a first stop block and a second stop block, the first stop block is arranged in the middle of the first slider and the second slider, and is used to limit the first slider and the second slider to prevent the first clamping jaw and the second clamping jaw from being too close and scratching the workpiece, and two second stop blocks are provided, which are respectively located on the outside of the first slider and the second slider, and are used to limit the first slider and the second slider to prevent both of them from falling off the sliding track.

[0013] Preferably, the clamping transmission assembly includes a second motor, a second transmission shaft, and a commutator. The output end of the second motor is connected to one end of the second transmission shaft, the other end of the second transmission shaft is connected to one end of the commutator, and the other end of the commutator is connected to the double helical screw. The second transmission shaft is driven to rotate by the second motor, and the power is transmitted to the double helical screw through the commutator.

[0014] Preferably, the clamping transmission assembly further comprises a hand wheel, and the hand wheel is connected to the second transmission shaft and is used to control the rotation of the second transmission shaft.

[0015] Preferably, buffers are respectively provided at both ends of the vehicle body.

[0016] The present invention also provides a transfer system for transferring MOX components, comprising a track and the above-mentioned automatic transfer vehicle, wherein the automatic transfer vehicle is slidably arranged on the track and is used for transporting MOX components.

[0017] The automatic transfer vehicle of the present invention can effectively ensure that the MOX components are vertical and do not shake during the automatic transfer process, thereby avoiding scratches on the outer surface of the MOX components and having a high degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front view of the automatic transfer vehicle in Example 1 of the present invention;

[0019] Figure 2 It is a left side view of the automatic transfer vehicle in Embodiment 1 of the present invention;

[0020] Figure 3 It is a right side view of the automatic transfer vehicle in Embodiment 1 of the present invention;

[0021] Figure 4 A top view of the automatic transfer vehicle in Example 1 of the present invention;

[0022] Figure 5 Schematic diagram of the structure of the automatic clamping assembly in Example 1 of the present invention.

[0023] In the figure: 1-car body, 2-box body, 3-box door transmission assembly, 4-automatic clamping assembly, 5-clamping transmission assembly, 6-bottom support assembly, 7-movable hinge, 8-first transmission shaft, 9-first motor, 10-track, 11-commutator, 12-second transmission shaft, 13-second motor, 14-handwheel, 15-main drive assembly, 16-auxiliary drive assembly, 17-buffer, 18-double spiral screw, 19-second block, 20-first block, 21-second slider, 22-second clamping jaw, 23-mounting plate, 24-first slider, 25-first clamping jaw. DETAILED DESCRIPTION

[0024] The following will be combined with the accompanying drawings in the present invention to clearly and completely describe the technical solutions in the invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of the present invention.

[0025] In the description of the present invention, it should be noted that the directions or positional relationships indicated by “upper” and the like are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience and simplification of the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0026] In the description of the present invention, the terms “first” and “second” are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connect", "set", "install", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0028] The present invention provides an automatic transfer vehicle, comprising a vehicle body, and a bottom support assembly and a clamping mechanism arranged on the vehicle body, wherein the bottom support assembly is used to support the lower end of a workpiece, and the clamping mechanism comprises an automatic clamping assembly and a clamping transmission assembly, the automatic clamping assembly comprises a first clamping unit and a second clamping unit, the first clamping unit and the second clamping unit are folded together to clamp the upper end of the workpiece, and the clamping transmission assembly is connected to the automatic clamping assembly and is used to control the opening and closing of the first clamping unit and the second clamping unit.

[0029] The present invention also provides a transfer system for transferring MOX components, comprising a track and the above-mentioned automatic transfer vehicle, wherein the automatic transfer vehicle is slidably arranged on the track and is used for transporting MOX components.

[0030] Example 1

[0031] like Figure 1 , 4 As shown, this embodiment discloses an automatic transfer vehicle, including a vehicle body 1, and a bottom support assembly 6 and a clamping mechanism arranged on the vehicle body 1, the bottom support assembly 6 is used to support the lower end of the workpiece, the clamping mechanism includes an automatic clamping assembly 4 and a clamping transmission assembly 5, the automatic clamping assembly 4 includes a first clamping unit and a second clamping unit, the first clamping unit and the second clamping unit are closed to clamp the upper end of the workpiece, and the clamping transmission assembly 5 is connected to the automatic clamping assembly 4 for controlling the opening and closing of the first clamping unit and the second clamping unit.

[0032] like Figure 1As shown, the vehicle body 1 is arranged to run on a track 10, and a main drive component 15 and an auxiliary drive component 16 are provided on the vehicle body 1. The main drive component 15 is used to provide power for the movement of the vehicle body 1, and the auxiliary drive component 16 is used for backup, and drives the vehicle body 1 to move when the main drive component 15 fails.

[0033] In this embodiment, the automatic transfer vehicle further includes a shielding box, which is a square box and is vertically arranged on the vehicle body 1. The shielding box includes a box body 2, a box door, and a box door transmission assembly 3. The workpiece is vertically arranged in the box body 2 and is parallel to the axis of the box body 2. The box door transmission assembly 3 is installed on the box body 2 and connected to the box door to control the opening and closing of the box door. By setting up a component shielding box, the radiation dose level around the workpiece can be effectively reduced.

[0034] like Figure 2 As shown, the box door transmission assembly 3 includes a first motor 9 and a movable hinge 7. The box door is installed on the box body 2 through the movable hinge 7 and is rotatably connected to the box body 2. The first motor 9 is arranged at the lower part of the box body 2. One end of the first transmission shaft 8 of the movable hinge 7 is connected to the output end of the first motor 9. The first transmission shaft 8 is arranged parallel to the axis of the box body 2. The movable hinge 7 is driven to rotate by the first motor 9, thereby controlling the opening and closing of the box door. Specifically, the rotation range of the box door is 0 to 90°, so as to facilitate the placement or removal of the workpiece into or out of the shielding box. In this embodiment, if the first motor 9 fails, the box door can be opened manually through a long hook, and then the workpiece can be transported away for inspection and maintenance in cooperation with a high-precision CNC crane.

[0035] like Figure 5 As shown, the automatic clamping assembly 4 also includes a mounting plate 23 and a double spiral screw 18. The mounting plate 23 is arranged on the top of the box body 2. The double spiral screw 18 is installed on the mounting plate 23, and one end of the double spiral screw 18 is connected to the clamping transmission assembly 5. The first clamping unit includes a first clamping jaw 25 and a first slider 24, and the second clamping unit includes a second clamping jaw 22 and a second slider 21. The first slider 24 and the second slider 21 are both connected to the double spiral screw 18. The first clamping jaw 25 and the second clamping jaw 22 are respectively connected to the first slider 24 and the second slider 21. A first groove is provided on the first clamping jaw 25, and a second groove is provided on the second clamping jaw 22. The first groove on the first clamping jaw 25 and the second groove on the second clamping jaw 22 are arranged opposite to each other. When the first slider 24 and the second slider 21 are close to each other, the first groove on the first clamping jaw 25 and the second groove on the second clamping jaw 22 are closed and assembled to form a shape that matches the outer shape of the upper part of the workpiece. In this embodiment, the shape of the upper cross-section of the workpiece is a regular hexagon, so the shape formed by the grooves of the first jaw 25 and the second jaw 22 is adapted to the regular hexagon, thereby clamping the workpiece, and driving the double spiral screw 18 to rotate through the clamping transmission assembly 5, so that the first slider 24 and the second slider are close to or away from each other, thereby controlling the opening and closing of the first jaw 25 and the second jaw 22.

[0036] In this embodiment, the automatic clamping assembly 4 also includes a first stop block 20 and a second stop block 19. The first stop block 20 is located between the first slider 24 and the second slider 21, and is used to limit the first slider 24 and the second slider 21 to prevent the first clamping jaw 25 and the second clamping jaw 22 from being too close and scratching the workpiece. There are two second stops 19, which are respectively located on the outside of the first slider 24 and the second slider 21, and are used to limit the first slider 24 and the second slider 21 to prevent both of them from leaving the sliding track 10.

[0037] like Figure 3 As shown, the clamping transmission assembly 5 includes a second motor 13, a second transmission shaft 12, and a commutator 11. The second motor 13 is arranged at the lower part of the box body 2, the second transmission shaft 12 is arranged on the box body 2, and the commutator 11 is arranged at the top of the box body 2. The output end of the second motor 13 is connected to one end of the second transmission shaft 12, the other end of the second transmission shaft 12 is connected to one end of the commutator 11, and the other end of the commutator 11 is connected to the double helical screw 18. The second motor 13 drives the second transmission shaft 12 to rotate, and then transmits power to the double helical screw 18 through the commutator 11.

[0038] Optionally, the clamping transmission assembly 5 further includes a hand wheel 14, which is disposed below the second motor 13 and connected to the second transmission shaft 12, and is used to manually control the rotation of the second transmission shaft 12. By providing the hand wheel 14, the problem of discharging the workpiece in the event of motor failure can be effectively solved.

[0039] like Figure 1 As shown, buffers 17 are respectively provided at both ends of the vehicle body 1 to prevent the vehicle body 1 from having a hard collision when moving.

[0040] In this embodiment, the clamping mechanism and the bottom support assembly 6 of the assembly ensure that the workpiece is vertical and does not shake during the automatic transportation process by clamping at the upper end and supporting at the lower end, thereby avoiding scratches on the outer surface of the workpiece.

[0041] Example 2

[0042] This embodiment discloses a transfer system for transferring MOX components, including a track 10 and the automatic transfer vehicle in Embodiment 1. The automatic transfer vehicle is slidably disposed on the track 10 for transporting MOX components.

[0043] The MOX component in this embodiment is arranged in the box body 2 of the automatic transfer vehicle, and its bottom is arranged on the bottom support component 6, and its top is fixed under the clamping of the first clamp 25 and the second clamp 22. The cross-section of the MOX component is a regular hexagon, which is adapted to the shape formed by the grooves of the first clamp 25 and the second clamp 22, so as to be stably fixed in the box body 2 of the automatic transfer vehicle.

[0044] The transfer system in this embodiment is used to transfer MOX components, which can effectively ensure that the MOX components are vertical and do not shake during the automatic transfer process, avoid scratches on the outer surface of the MOX components, and have a high degree of automation.

[0045] It is to be understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those of ordinary skill in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. An automatic transfer vehicle, characterized in that: The vehicle comprises a vehicle body (1), and a bottom support assembly (6) and a clamping mechanism arranged on the vehicle body (1). The bottom support assembly (6) is used to support the lower end of the workpiece. The clamping mechanism comprises an automatic clamping component (4) and a clamping transmission component (5). The automatic clamping assembly (4) comprises a first clamping unit and a second clamping unit, wherein the first clamping unit and the second clamping unit are folded together to clamp the upper end of the workpiece. The clamping transmission assembly (5) is connected to the automatic clamping assembly (4) and is used to control the opening and closing of the first clamping unit and the second clamping unit; The automatic transfer vehicle also includes a shielding box, The shielding box is arranged on the vehicle body (1), and comprises a box body (2), a box door and a box door transmission assembly (3). The workpiece is arranged in the box (2), and the workpiece is a MOX component. The door transmission assembly (3) is mounted on the box body (2) and connected to the door, and is used to control the opening and closing of the door; The door transmission assembly (3) comprises a first motor (9), a movable hinge (7), The box door is mounted on the box body (2) via a movable hinge (7); one end of a first transmission shaft (8) of the movable hinge (7) is connected to an output end of the first motor (9); the movable hinge (7) is driven to rotate by the first motor (9), thereby controlling the opening and closing of the box door; The automatic clamping assembly (4) further comprises a mounting plate (23), a double-helical screw rod (18), The mounting plate (23) is arranged on the top of the box body (2), the double helical screw rod (18) is mounted on the mounting plate (23), one end of which is connected to the clamping transmission assembly (5). The clamping transmission assembly (5) comprises a second motor (13), a second transmission shaft (12), and a commutator. The output end of the second motor (13) is connected to one end of the second transmission shaft (12). The other end of the second transmission shaft (12) is connected to one end of the commutator (11). The other end of the commutator (11) is connected to the double helical screw (18). The second motor (13) drives the second transmission shaft (12) to rotate, and then transmits the power to the double-helical screw (18) through the commutator (11); The top of the box is open, the top of the MOX assembly extends out of the opening, and the automatic clamping assembly is located above the opening. The door transmission assembly (3) and the clamping transmission assembly (5) are respectively arranged on two opposite sides of the box body.

2. The automatic transfer vehicle according to claim 1, characterized in that: The rotation range of the box door is 0 to 90 degrees.

3. The automatic transfer vehicle according to claim 1, characterized in that: The first clamping unit comprises a first clamping jaw (25) and a first slider (24), and the second clamping unit comprises a second clamping jaw (22) and a second slider (21). The first slider (24) and the second slider (21) are both connected to the double-helical screw rod (18). The first clamping jaw (25) and the second clamping jaw (22) are respectively connected to the first slider (24) and the second slider (21). The first clamping jaw (25) is provided with a first groove, and the second clamping jaw (22) is provided with a second groove. The first groove on the first clamping jaw (25) and the second groove on the second clamping jaw (22) are arranged opposite to each other. When the first slider (24) and the second slider (21) are brought close to each other, the first groove and the second groove are closed and combined to form a shape adapted to the outer shape of the upper part of the workpiece, thereby clamping the workpiece. The double helical screw (18) is driven to rotate by the clamping transmission assembly (5), so that the first slider (24) and the second slider move closer to or farther from each other, thereby controlling the opening and closing of the first clamping jaw (25) and the second clamping jaw (22).

4. The automatic transfer vehicle according to claim 3, characterized in that: The automatic clamping assembly (4) further comprises a first stopper (20) and a second stopper (19). The first stopper (20) is disposed between the first slider (24) and the second slider (21) and is used to limit the first slider (24) and the second slider (21) to prevent the first clamping jaw (25) and the second clamping jaw (22) from being too close to each other and scratching the workpiece. Two second stoppers (19) are provided, which are respectively located outside the first slider (24) and the second slider (21) and are used to limit the first slider (24) and the second slider (21) to prevent them from falling off the sliding track.

5. The automatic transfer vehicle according to claim 4, characterized in that: The clamping transmission assembly (5) further comprises a hand wheel (14), wherein the hand wheel (14) is connected to the second transmission shaft (12) and is used to control the rotation of the second transmission shaft (12).

6. The automatic transfer vehicle according to any one of claims 1 to 5, characterized in that: Buffers (17) are respectively provided at the two ends of the vehicle body (1).

7. A transport system for transporting MOX components, characterized in that: comprising a track (10) and the automatic transfer vehicle according to any one of claims 1 to 6, The automatic transfer vehicle is slidably mounted on the track (10) and is used to transport MOX components.

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