AGV motor vehicle with lifting and supporting functions

Abstract

The utility model discloses an AGV motor vehicle with lifting and supporting functions, which comprises a vehicle frame and is characterized in that a plurality of lifting supporting leg devices are arranged in the middle of the vehicle frame, a front power steering device and a rear power steering device are arranged on the lower side of the vehicle frame, and each power steering device comprises a connecting plate. The connecting plate is arranged on one side of the frame in a hinged mode through a hinge assembly, universal wheels are arranged on one side of the bottom of the connecting plate, steering wheel assemblies are arranged on the other side of the bottom of the connecting plate, and the steering wheel assemblies in the two power steering devices are located at the diagonal positions of the frame. The steering wheel assembly is arranged at the diagonal position, the good supporting effect on the vehicle can be achieved, the rotating base and the hinge shaft are arranged in a hinged mode, the connecting plate can swing and turn over on the two sides so as to improve the contact degree of the universal wheel and the driving wheel and the ground, and then the stability of the vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of AGV power vehicles, in particular to an AGV power vehicle with a lifting support function. Background Art

[0002] An AGV (Automated Guided Vehicle) is a vehicle that, independent of tracks, utilizes its own power structure to steer and move forward and backward. A drawback of existing AGVs is that, because their power wheels and steering wheels are fixedly connected to the vehicle body, they can lose complete contact with the ground when traversing uneven surfaces, hindering the AGV's operation and ability to carry cargo. This has led to extensive research into this issue. Utility Model Content

[0003] The technical problem to be solved by the present invention is to provide an AGV power vehicle with a lifting support function, which can solve the above-mentioned problems in the existing technology.

[0004] The present invention is realized through the following technical solutions: an AGV power vehicle with a lifting support function includes a frame, which is characterized in that a plurality of lifting leg devices are provided in the middle part of the frame, and a power steering device is provided at the front and rear on the lower side of the frame. The power steering device includes a connecting plate, which is hingedly arranged on one side of the frame through a hinge assembly, a universal wheel is provided on one side of the bottom of the connecting plate, and a steering wheel assembly is provided on the other side. The steering wheel assemblies in the two power steering devices are located at diagonal positions of the frame.

[0005] According to a further technical solution, the hinge assembly includes a rotating seat arranged on the top of the connecting plate, a hinge shaft is arranged at the bottom of the frame, and the rotating seat is hinged to the hinge shaft.

[0006] According to a further technical solution, a hinge hole is provided in the rotating seat, and the hinge shaft is rotatably sleeved in the hinge hole.

[0007] A further technical solution is that the steering wheel assembly includes a sprocket arranged on the connecting plate, and also includes a wheel frame, the wheel frame is rotatably connected to the sprocket, a driving wheel is arranged to rotate inside the wheel frame, a second driving motor that drives the driving wheel to rotate is provided on one side of the wheel frame, and a power structure is provided on one side of the wheel frame.

[0008] According to a further technical solution, the toothed disc and the connecting plate are fixed by detachable bolt connection.

[0009] According to a further technical solution, the power structure includes a first drive motor provided on one side of the wheel frame, a driving gear is provided on one side of the first drive motor in power connection, and the driving gear is meshed with the outer side of the gear disc.

[0010] According to a further technical solution, the lifting leg device includes a mechanical leg, a telescopic leg is provided inside the mechanical leg, a base is provided on one side, and an input shaft is provided on the other side of the mechanical leg.

[0011] According to a further technical solution, a handle is provided at the end of the input shaft, a shell is provided on one side of the handle, a notch is provided in the shell, and the input shaft is inserted into the shell.

[0012] According to a further technical solution, a locking bolt is provided in the housing and the input shaft, and a locking bolt is provided on the outer surface of the locking bolt in threaded connection, and the locking bolt is tightened against the outer surface of the housing.

[0013] The beneficial effects of the present invention are as follows: 1. By providing two power steering devices and locating the steering wheel assembly at a diagonal position, the vehicle can be well supported; and by hingedly arranging the rotating seat and the hinge shaft, the connecting plate can be swung and flipped on both sides to increase the degree of contact between the universal wheel and the driving wheel and the ground, thereby improving the stability of the vehicle; and a lifting leg device is adopted, so that the trolley can be lifted up by shaking it by a person.

[0014] Second, by changing the orientation angles of the two driving wheels to make it run, the equipment can be translated in the inclined direction, and the trolley can also be turned.

[0015] 3. Through the structural design of the handle, locking bolt, locking bolt, input shaft, housing and notch, personnel can use the handle to conveniently operate the input shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] For ease of explanation, the present invention is described in detail with reference to the following specific embodiments and accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the overall structure of an AGV power vehicle with a lifting support function in the present utility model;

[0018] Figure 2 for Figure 1 A side structural diagram of the device in FIG.

[0019] Figure 3 for Figure 1 Schematic diagram of the structure of the power steering device;

[0020] Figure 4 for Figure 3A schematic diagram of the side structure of the power steering device;

[0021] Figure 5 for Figure 1 Schematic diagram of the structure of the middle lifting leg device;

[0022] Figure 6 for Figure 5 A schematic side view of the structure of the middle lifting leg device;

[0023] Figure 7 for Figure 6 Schematic diagram at A in the middle;

[0024] In the figure, the connecting plate 12, the universal wheel 13, the frame 14, the rotating seat 15, the hinge shaft 16, the first drive motor 17, the gear plate 18, the wheel frame 19, the driving gear 21, the driving wheel 22, the hinge hole 24, the base 31, the mechanical support leg 32, the input shaft 35, the locking bolt 37, the housing 38, the notch 39, the handle 41, the locking bolt 42, and the second drive motor 51. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 7 As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are the same as Figure 1 The up, down, left, right, front and back directions of the projection relationship are consistent. The utility model is an AGV power vehicle with a lifting support function, including a frame 14, a middle part of the frame 14 is provided with multiple lifting leg devices, and the lower side of the frame 14 is also provided with a front and a rear power steering device.

[0026] Advantageously, the power steering device includes a connecting plate 12, which is hingedly arranged on one side of the frame 14 through a hinge assembly. A universal wheel 13 is arranged on one side of the bottom of the connecting plate 12, and a steering wheel assembly is arranged on the other side. The universal wheels 13 and the steering wheel assemblies in the two power steering devices are arranged in opposite positions, that is, the steering wheel assemblies in the two power steering devices are located at diagonal positions of the frame 14.

[0027] Advantageously, the hinge assembly includes a rotating seat 15 disposed on the top of the connecting plate 12 , and a hinge shaft 16 is disposed on the bottom of the vehicle frame 14 , and the rotating seat 15 is hingedly connected to the hinge shaft 16 .

[0028] Advantageously, a hinge hole 24 is provided in the rotating seat 15 , and the hinge shaft 16 is rotatably sleeved in the hinge hole 24 .

[0029] Advantageously, the steering wheel assembly includes a sprocket 18 disposed on the connecting plate 12, and also includes a wheel frame 19, which is rotatably connected to the sprocket 18, a driving wheel 22 is rotatably disposed in the wheel frame 19, a second drive motor 51 is disposed on one side of the wheel frame 19 to drive the driving wheel 22 to rotate, and a power structure is disposed on one side of the wheel frame 19 to cooperate with the sprocket 18 for steering.

[0030] Advantageously, the toothed disc 18 and the connecting plate 12 are mounted and fixed by bolt-type detachable connection.

[0031] Advantageously, the power structure includes a first drive motor 17 disposed on one side of the wheel frame 19 , and a driving gear 21 is provided on one side of the first drive motor 17 in power connection, and the driving gear 21 is meshed with the outer side of the gear disc 18 .

[0032] Advantageously, the lifting leg device includes a mechanical leg 32, a retractable 23 is provided inside the mechanical leg 32, a base 31 is provided on one side of 23, and an input shaft 35 is provided on the other side of the mechanical leg 32. The lifting leg device is a prior art. By rotating the input shaft 35, the gear system and the screw thread sleeve inside the mechanical leg 32 and other structures can be used to lift 23 and the base 31, so that the equipment can be lifted up. For details, please refer to the Chinese patent document "A Multi-purpose Mechanical Leg" with publication number CN206202266U.

[0033] Advantageously, a handle 41 is provided at the end of the input shaft 35, a shell 38 is provided on one side of the handle 41, a notch 39 is provided in the shell 38, the input shaft 35 is inserted into the shell 38, a locking bolt 37 is provided in the shell 38 and the input shaft 35, and a locking bolt 42 is provided on the outer surface of the locking bolt 37 in a threaded connection, and the locking bolt 42 is tightened against the outer surface of the shell 38.

[0034] Advantageously, a lead screw slide can be provided on the vehicle frame 14, which can facilitate telescopic adjustment of the position of the parts when the AGV is used to transport the parts. The lead screw slide is an existing technology that utilizes a sliding platform structure formed by combining a guide rail, a lead screw nut and a slide.

[0035] By setting up two power steering devices and locating the steering wheel assembly in a diagonal position, the vehicle can be well supported. By hingedly setting the rotating seat 15 and the hinge shaft 16, the connecting plate 12 can be swung and flipped on both sides to increase the degree of contact between the universal wheel 13 and the driving wheel 22 and the ground, thereby improving the stability of the vehicle. A lifting leg device is adopted, which can lift the car by shaking it.

[0036] When the trolley moves, the second drive motor 51 drives the driving wheel 22 to rotate after working, which can drive the trolley to move as a whole. Since the universal wheel 13 is a universal wheel setting, its movement direction will also adaptively change with the movement direction of the driving wheel 22.

[0037] When the trolley moves in other directions, the first drive motor 17 drives the driving gear 21 to rotate after working, so that the wheel frame 19 rotates around the gear plate 18. When the driving wheels 22 in the two power steering devices rotate to the same direction for operation, the vehicle can be translated in other directions; when the driving wheels 22 of the two power steering devices are forked and run in two directions, the trolley will turn, that is, one towards the 2 o'clock direction and the other towards the 4 o'clock direction, so the trolley will turn and move towards the right.

[0038] When using the lifting leg device, by turning the handle 41, the input shaft 35 can be used to drive the components in the mechanical support leg 32 to operate, so that 23 can be telescopically moved relative to the mechanical support leg 32, and the base 31 plays a supporting role.

[0039] The locking bolt 37 and the locking bolt 42 are disassembled and separated, and the locking bolt 37 is pulled out from the input shaft 35 and the housing 38 , so that the input shaft 35 can be separated from the handle 41 .

[0040] The above is only a specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the present invention; therefore, the protection scope of the present invention should be based on the protection scope defined in the claims.

Claims

1. An AGV powered vehicle with a lifting support function, comprising a vehicle frame (14), characterized in that: A plurality of lifting leg devices are provided in the middle portion of the vehicle frame (14), and a power steering device is provided at the front and rear ends of the lower side of the vehicle frame (14). The power steering device comprises a connecting plate (12), and the connecting plate (12) is hingedly provided on one side of the vehicle frame (14) through a hinge assembly. A universal wheel (13) is provided on one side of the bottom of the connecting plate (12), and a steering wheel assembly is provided on the other side. The steering wheel assemblies in the two power steering devices are located at diagonal positions of the vehicle frame (14).

2. The AGV power vehicle with lifting support function according to claim 1, characterized in that: The hinge assembly comprises a rotating seat (15) arranged on the top of the connecting plate (12); a hinge shaft (16) is arranged at the bottom of the vehicle frame (14); and the rotating seat (15) is hingedly connected to the hinge shaft (16).

3. The AGV power vehicle with lifting support function according to claim 2, characterized in that: A hinge hole (24) is provided in the rotating seat (15), and the hinge shaft (16) is rotatably sleeved in the hinge hole (24).

4. The AGV power vehicle with lifting support function according to claim 1, characterized in that: The steering wheel assembly includes a toothed disc (18) arranged on the connecting plate (12), and also includes a wheel frame (19). The wheel frame (19) is rotatably connected to the toothed disc (18). A driving wheel (22) is rotatably arranged in the wheel frame (19). A second driving motor (51) for driving the driving wheel (22) to rotate is arranged on one side of the wheel frame (19), and a power structure is arranged on one side of the wheel frame (19).

5. The AGV power vehicle with lifting support function according to claim 4, characterized in that: The toothed disc (18) and the connecting plate (12) are connected and fixed in a detachable manner using bolts.

6. The AGV power vehicle with lifting support function according to claim 4, characterized in that: The power structure includes a first drive motor (17) arranged on one side of the wheel frame (19); a driving gear (21) is connected to one side of the first drive motor (17); and the driving gear (21) is meshed with the outer side of the toothed disc (18).

7. The AGV power vehicle with lifting support function according to any one of claims 1 to 6, characterized in that: The lifting leg device comprises a mechanical leg (32), wherein a telescopic (23) is arranged inside the mechanical leg (32), a foot (31) is arranged on one side of the (23), and an input shaft (35) is arranged on the other side of the mechanical leg (32).

8. The AGV power vehicle with lifting support function according to claim 7, characterized in that: A handle (41) is provided at the end of the input shaft (35), a housing (38) is provided on one side of the handle (41), a notch (39) is provided in the housing (38), and the input shaft (35) is inserted into the housing (38).

9. The AGV power vehicle with lifting support function according to claim 8, characterized in that: A locking bolt (37) is provided in the housing (38) and the input shaft (35), and a locking bolt (42) is provided on the outer surface of the locking bolt (37) in threaded connection, and the locking bolt (42) is pressed against the outer surface of the housing (38).

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