Unattended transfer trolley

Abstract

The unattended transfer trolley comprises an electric tracking chassis vehicle, a loading hopper and a jacking part, the loading hopper is rotationally installed at the upper end of the electric tracking chassis vehicle, and the jacking part is installed between the loading hopper and the electric tracking chassis vehicle; the electric tracking chassis vehicle is used for driving the loading hopper to move according to a preset track, and the jacking piece is used for driving the loading hopper to swing to one end to be inclined so as to unload materials from the inclined and downward end of the loading hopper, or driving the loading hopper to swing downwards to be supported at the upper end of the electric tracking chassis vehicle so as to be reset. In this way, the unattended transfer trolley is similar to an existing cargo carrying vehicle, the loading hopper of the unattended transfer trolley can be driven by the jacking piece to turn over to the discharging end to be inclined downwards when the materials are unloaded, and therefore the materials in the loading hopper can slide down in the inclination direction of the loading hopper.

Description

Technical Field

[0001] The invention belongs to the technical field of unmanned transportation tools, and in particular relates to an unmanned material transfer vehicle. Background Art

[0002] Thermal power plants consume a large amount of coal during operation, and the coal needs to be frequently transferred to different workstations in the plant, such as coal grinding and coal storage. Traditionally, coal transportation is carried out by loaders in conjunction with plant trucks, which requires a lot of manpower and the trucks have poor flexibility in driving within the plant. Although an unmanned coal truck is disclosed in document number CN217435803U "An Unmanned Coal Truck Box", its intelligence level is low and the amount of coal transported is small. Summary of the invention

[0003] In order to solve the above technical problems, the purpose of the present invention is to provide an unmanned material transfer vehicle which has a simple structure, a high degree of intelligence and a large loading capacity.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present invention is as follows: an unattended material transfer vehicle, comprising an electric tracking chassis, a loading bucket and a lifting piece, wherein the loading bucket is rotatably installed on the upper end of the electric tracking chassis, and the lifting piece is installed between the loading bucket and the electric tracking chassis, and the electric tracking chassis is used to drive the loading bucket to move according to a predetermined trajectory, and the lifting piece is used to drive the loading bucket to swing to one end and tilt so as to unload materials from the end of the loading bucket tilted downward, or drive the loading bucket to swing downward and be supported on the upper end of the electric tracking chassis to reset.

[0005] The beneficial effect of the above technical solution is that: in this way, the unattended material transfer vehicle is similar to the existing cargo vehicles. When unloading materials, its loading bucket can be flipped to the discharge end and tilted downward under the drive of the jacking part, so that the material in the loading bucket will slide along the tilt direction of the loading bucket.

[0006] The electric tracking chassis vehicle described in the above technical solution is a heavy-load AGV chassis vehicle.

[0007] The beneficial effects of the above technical solution are: it has a high degree of intelligence and can travel according to a predetermined trajectory, while its load capacity is relatively large.

[0008] In the above technical solution, the middle part of the lower end of the loading bucket is vertically rotatably connected to the rear upper end of the electric tracking chassis, and the lifting member is arranged at the front end of the electric tracking chassis.

[0009] The beneficial effect of the above technical solution is that the rear end of the loading bucket can be extended to the rear of the electric traction chassis, which increases its loading capacity. At the same time, when the front end of the loading bucket is tilted upward, even if the rear end weight in the loading bucket is overloaded, the front wheels of the electric traction chassis will not be lifted off the ground.

[0010] The lifting member in the above technical solution is a telescopic cylinder, and one end of the lifting member is rotatably connected to the front upper end of the electric tracking chassis, and the other end of the lifting member is rotatably connected to the front lower end of the loading bucket.

[0011] The beneficial effects of the above technical solution are: its structure is simple and it makes it more convenient to rotate the loading bucket to lift it.

[0012] In the above technical solution, the rear side of the loading bucket is open, and a closing door is provided at the opening on the rear side of the loading bucket. The closing door is in a closed state when the loading bucket is in a reset state, and is in an open state when the loading bucket swings upward under the drive of the lifting member.

[0013] The beneficial effect of the above technical solution is that the closing door of the loading bucket can be in an open state when unloading materials, which makes it easier for materials to slide down through the rear end of the loading bucket.

[0014] In the above technical solution, the upper end of the closing door is connected to the upper rear end of the loading bucket for forward and backward rotation, and an electromagnetic component is provided at the lower rear end of the loading bucket, and the electromagnetic component is used to suck the closing door to the rear end of the loading bucket to close it.

[0015] The beneficial effects of the above technical solution are: its structure is simple, and when the loading bucket is in the reset state, the electromagnetic component is in a state of attracting the closed door, and when the loading bucket is unloading, the closed door is in a non-attracted state, at which time it can swing to open by itself under the action of its own gravity.

[0016] In the above technical solution, a material pushing assembly is also provided on the loading bucket, and the material pushing assembly is used to push the material in the loading bucket backwards when the loading bucket is lifted by the lifting member.

[0017] The beneficial effect of the above technical solution is that when the material in the loading bucket is not discharged smoothly, the material pushing assembly can slowly push the material in the loading bucket backwards until it is squeezed out.

[0018] The pushing assembly in the above technical solution includes a pushing plate and two screw driving members, the pushing plate is vertically arranged in the loading bucket along the left and right direction, and the pushing plate is slidingly connected to the loading bucket along the front and rear direction, the two screw driving members are respectively arranged on both sides of the loading bucket along the front and rear direction, and the pushing plate is transmission connected to the driving ends of the two screw driving members, and the two screw driving members are used to jointly drive the pushing plate to move forward and backward in the loading bucket.

[0019] The beneficial effect of the above technical solution is that: it has a simple structure, and the push plate can move smoothly back and forth in the loading bucket under the action of the two screw drive members.

[0020] The lower end of the push plate in the above technical solution is serrated.

[0021] The beneficial effect of the above technical solution is that it can avoid jamming between the lower end of the push plate and the inner bottom wall of the loading bucket.

[0022] The above technical solution also includes a host controller, which is arranged on the electric tracking chassis. The electric tracking chassis, the lifting part, the electromagnetic part and the pushing assembly are all electrically connected to the host controller.

[0023] The beneficial effect of the above technical solution is that: the upper controller can be powered by the electric tracking chassis, and the operation status of the jacking part, the electromagnetic part and the pusher assembly is controlled by the upper controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a side view of the unattended material transfer vehicle according to an embodiment of the present invention;

[0025] Figure 2 It is a side view of the loading bucket of the unattended material transfer vehicle according to an embodiment of the present invention in a tilted state;

[0026] Figure 3 A top view of the loading bucket and the material pushing assembly according to an embodiment of the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the push plate in the loading bucket in an embodiment of the present invention;

[0028] Figure 5 Schematic diagram of electrical connection of the upper controller in the embodiment of the present invention;

[0029] Figure 6 It is a vertical view of the electric tracking chassis vehicle described in an embodiment of the present invention.

[0030] In the figure: 1. Electric tracking chassis; 11. Mounting groove; 2. Loading bucket; 21. Closing door; 22. Electromagnetic component; 3. Lifting component; 4. Pushing assembly; 41. Pushing plate; 42. Screw drive component; 5. Upper controller. DETAILED DESCRIPTION

[0031] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail by way of example with reference to the accompanying drawings in the following paragraphs. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0032] like Figure 1 , Figure 2 and Figure 4 As shown, the present embodiment provides an unattended material transfer vehicle, comprising an electric tracking chassis 1, a loading bucket 2 and a lifting member 3, wherein the loading bucket 2 is rotatably mounted on the upper end of the electric tracking chassis 1, and the lifting member 3 is mounted between the loading bucket 2 and the electric tracking chassis 1, and the electric tracking chassis 1 is used to drive the loading bucket 2 to move according to a predetermined trajectory, and the lifting member 3 is used to drive the loading bucket 2 to swing to one end and tilt so as to unload materials from the end of the loading bucket 2 tilted downward, or to drive the loading bucket 2 to swing downward and be supported on the upper end of the electric tracking chassis 1 to reset, so that the unattended material transfer vehicle is similar to the existing cargo vehicles, and its loading bucket can be flipped to the discharging end tilted downward under the drive of the lifting member when unloading materials, so that the materials in the loading bucket will slide along the tilt direction of the loading bucket.

[0033] The electric tracking chassis 1 described in the above technical solution is a heavy-duty AGV chassis, which has a high degree of intelligence and can travel along a predetermined trajectory, and has a relatively large load capacity.

[0034] like Figure 1 and Figure 2 As shown, the middle part of the lower end of the loading bucket 2 in the above technical solution is vertically rotatably connected to the rear upper end of the electric tracing chassis 1, and the jacking member 3 is arranged at the front end of the electric tracing chassis 1, so that the rear end of the loading bucket can be extended to the rear of the electric tracing chassis, which makes its loading capacity larger. At the same time, when the front end of the loading bucket is tilted upward, even if the weight of the rear end in the loading bucket is overloaded, it will not cause the front wheels of the electric tracing chassis to be lifted off the ground.

[0035] like Figure 6As shown, the lifting member 3 in the above technical scheme is a telescopic cylinder, and one end of the lifting member 3 is rotatably connected to the front upper end of the electric tracing chassis 1, and the other end of the lifting member 3 is rotatably connected to the front lower end of the loading bucket 2. Its structure is simple, and it makes it more convenient to rotate the loading bucket to jack up. In this embodiment, a mounting groove 11 is also recessed in the middle of the front upper end of the electric tracing chassis 1, and the lifting member 3 is installed in the mounting groove 11, so that when the loading bucket is turned down to be supported on the electric tracing chassis, it can be completely seated on the electric tracing chassis, and at this time, the lifting member 3 is seated in the mounting groove 11 along the front and rear directions.

[0036] Specifically, the lifting member in this embodiment can be a hydraulic cylinder. In this case, a hydraulic station can be provided in the electric tracking chassis to provide hydraulic power to the lifting member.

[0037] like Figure 1 and Figure 2 As shown, in the above technical solution, the rear side of the loading bucket 2 is open, and a closing door 21 is provided at the opening of the rear side of the loading bucket 2. The closing door 21 is in a closed state when the loading bucket 2 is in a reset state, and when the loading bucket 2 is driven by the lifting member 3 to swing upward, the closing door 21 is in an open state, so that the closing door of the loading bucket can be in an open state when unloading, which facilitates the material to slide down through the rear end of the loading bucket ( Figure 2 The arrow at the lower rear center indicates the unloading direction).

[0038] like Figure 1 and Figure 2 As shown, in the above technical solution, the upper end of the closing door 21 is connected to the rear upper end of the loading bucket 2 for front-rear rotation, and an electromagnetic component 22 is provided at the rear lower end of the loading bucket 2. The electromagnetic component 22 is used to attract the closing door 21 to the rear end of the loading bucket 2 to close it. The structure is simple, and when the loading bucket is in the reset state, the electromagnetic component is in the state of attracting the closing door, and when the loading bucket is unloading, the closing door is in a non-attracted state, and at this time it can swing to open by itself under the action of its own gravity.

[0039] like Figure 3 and 4 As shown, in the above technical solution, a pushing assembly 4 is also provided on the loading bucket 2, and the pushing assembly 4 is used to push the material in the loading bucket 2 backwards when the loading bucket 2 is lifted by the lifting member 3, so that when the material in the loading bucket is not discharged smoothly, the pushing assembly can slowly push the material in the loading bucket backwards until it is squeezed out.

[0040] like Figure 3As shown, the pushing assembly 4 in the above technical scheme includes a pushing plate 41 and two screw driving members 42, the pushing plate 41 is vertically arranged in the loading bucket 2 along the left-right direction, and the pushing plate 41 is slidingly connected with the loading bucket 2 along the front-back direction, the two screw driving members 42 are respectively arranged on both sides of the loading bucket 2 along the front-back direction, and the pushing plate 41 is transmission-connected with the driving ends of the two screw driving members 42, the two screw driving members 42 are used to jointly drive the pushing plate 41 to move forward and backward in the loading bucket 2, its structure is simple, and the pushing plate can move smoothly forward and backward in the loading bucket under the action of the two screw driving members.

[0041] like Figure 4 As shown, the lower end of the push plate 41 in the above technical solution is serrated, so as to avoid jamming between the lower end of the push plate and the inner bottom wall of the loading bucket.

[0042] like Figure 5 As shown, the above technical scheme also includes an upper controller 5, which is arranged on the electric tracking chassis 1. The electric tracking chassis 1, the lifting part 3, the electromagnetic part 22 and the screw drive of the pusher assembly 4 are all electrically connected to the upper controller 5, so that the upper controller can be powered by the electric tracking chassis, and the lifting part, the electromagnetic part and the pusher assembly are controlled by the upper controller. In this embodiment, the upper controller can be an industrial computer, and a power battery is provided in the electric tracking chassis, and the upper controller is controlled by the electric The tracing chassis is powered by a power battery, and the controller inside the electric tracing chassis is also electrically connected to the upper controller. When the electric tracing chassis arrives at the destination, the controller inside the electric tracing chassis sends instructions to the upper controller, so that the upper controller controls the lifting member 3, the electromagnetic member 22 and the pushing assembly 4 to make corresponding actions. In this embodiment, the lifting member and the electromagnetic member operate synchronously. When the lifting member is extended, the electromagnetic member is powered off (loses its magnetic effect). When the lifting member is retracted into place, the electromagnetic member is powered on (restores its magnetic effect).

[0043] In this embodiment, the left and right sides of the loading bucket can be tilted and expanded outward to widen the upper end of the loading bucket, and the front and rear ends of the loading bucket both protrude outside the electric tracking chassis, which increases its loading capacity and improves stability. The maximum angle at which the lifting member lifts the loading bucket is that the rear lower end of the loading bucket touches the ground, and then the push plate can move slowly backward under the action of two screw drive members to push the coal in the loading bucket backward. Preferably, the lower end of the push plate can be slightly bent backward so that it can better push the coal in the loading bucket backward.

[0044] The unmanned material transfer vehicle described in this embodiment can directly drive to the bottom of the coal mill discharge port when loading materials. At this time, the coal mill discharge port will directly discharge the ground coal powder into the loading bucket. After the loading bucket is full, the unmanned material transfer vehicle can drive itself to the coal unloading point to unload coal. Since the electric tracking chassis can move forward and backward, it can travel back and forth between the coal mill and the coal unloading point without turning around.

[0045] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. An unattended material transfer vehicle, characterized in that: The invention comprises an electric tracking chassis (1), a loading bucket (2) and a lifting member (3); the loading bucket (2) is rotatably mounted on the upper end of the electric tracking chassis (1); the lifting member (3) is mounted between the loading bucket (2) and the electric tracking chassis (1); the electric tracking chassis (1) is used to drive the loading bucket (2) to move according to a predetermined trajectory; the lifting member (3) is used to drive the loading bucket (2) to swing to one end and tilt so as to unload from the end of the loading bucket (2) tilted downward, or to drive the loading bucket (2) to swing downward and be supported on the upper end of the electric tracking chassis (1) to reset.

2. The unattended material transfer vehicle according to claim 1, characterized in that: The electric tracking chassis vehicle (1) is a heavy-load AGV chassis vehicle.

3. The unattended material transfer vehicle according to claim 1, characterized in that: The middle part of the lower end of the loading bucket (2) is vertically rotatably connected to the rear upper end of the electric tracking chassis (1), and the lifting member (3) is arranged at the front end of the electric tracking chassis (1).

4. The unattended material transfer vehicle according to claim 1, characterized in that: The lifting member (3) is a telescopic cylinder, and one end of the lifting member (3) is rotatably connected to the front upper end of the electric tracking chassis (1), and the other end of the lifting member (3) is rotatably connected to the front lower end of the loading bucket (2).

5. The unattended material transfer vehicle according to claim 1, characterized in that: The rear side of the loading bucket (2) is open, and a closing door (21) is provided at the opening on the rear side of the loading bucket (2). The closing door (21) is in a closed state when the loading bucket (2) is in a reset state, and is in an open state when the loading bucket (2) is driven by the lifting member (3) to swing upward.

6. The unattended material transfer vehicle according to claim 5, characterized in that: The upper end of the closing door (21) is connected to the upper rear end of the loading bucket (2) for front-to-rear rotation, and an electromagnetic component (22) is provided at the lower rear end of the loading bucket (2). The electromagnetic component (22) is used to attract the closing door (21) to the rear end of the loading bucket (2) for closing.

7. The unattended material transfer vehicle according to claim 5, characterized in that: The loading bucket (2) is also provided with a material pushing assembly (4), and the material pushing assembly (4) is used to push the material in the loading bucket (2) backwards when the loading bucket (2) is lifted by the lifting member (3).

8. The unattended material transfer vehicle according to claim 7, characterized in that: The pusher assembly (4) comprises a pusher plate (41) and two screw drive members (42); the pusher plate (41) is vertically arranged in the loading bucket (2) along the left-right direction, and the pusher plate (41) is slidably connected to the loading bucket (2) along the front-back direction; the two screw drive members (42) are respectively arranged on both sides of the loading bucket (2) along the front-back direction, and the pusher plate (41) is transmission-connected to the driving ends of the two screw drive members (42); the two screw drive members (42) are used to jointly drive the pusher plate (41) to move forward and backward in the loading bucket (2).

9. The unattended material transfer vehicle according to claim 8, characterized in that: The lower end of the push plate (41) is sawtooth-shaped.

10. The unattended material transfer vehicle according to claim 7, characterized in that: It also includes an upper controller (5), which is arranged on the electric tracking chassis (1), and the electric tracking chassis (1), the lifting component (3), the electromagnetic component (22) and the pushing assembly (4) are all electrically connected to the upper controller (5).

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