Transmission system of all-terrain wheeled robot

Abstract

The transmission system of the all-terrain wheeled robot comprises two axle transmission sets which are symmetrically distributed on the two sides of a frame, each axle transmission set comprises a power shaft, a front axle, a middle axle and a rear axle, and the front axle, the middle axle and the rear axle are sequentially arranged on one side of the frame in a rotating mode. The power shaft is located between the front axle and the middle axle, one end of the power shaft is used for being connected with the output end of one side of the gearbox, the other end of the power shaft is rotationally arranged on the frame, one side of the power shaft is in transmission connection with the front axle through a chain wheel and chain transmission assembly, and the other side of the power shaft is in transmission connection with the middle axle through a chain wheel and chain transmission assembly. The side, away from the power shaft, of the middle wheel shaft is also in transmission connection with the rear wheel shaft through a chain wheel and chain transmission assembly, transmission connection of the power shaft, the front wheel shaft, the middle wheel shaft and the rear wheel shaft is achieved, and therefore each tire has power, and it is guaranteed that the all-terrain robot can adapt to various complex road environments.

Description

Technical Field

[0001] The utility model relates to a transmission system, in particular to a transmission system of an all-terrain wheeled robot. Background Art

[0002] An all-terrain wheeled robot is a robot that can travel on any terrain and can move freely on terrain where ordinary vehicles are difficult to maneuver. All-terrain robots have multiple uses and are not restricted by road conditions. At present, all-terrain robots output the power of the motor or engine to the gearbox, and the output shafts at both ends of the gearbox are directly connected to the tires on both sides. When an all-terrain robot travels on complex terrain in the wild, due to the rugged ground, one or more tires may be suspended at the same time. If the suspended wheel is a powered wheel, the vehicle will be underpowered and unable to move, affecting the normal travel of the all-terrain robot. Therefore, it is necessary to improve the existing deficiencies. Utility Model Content

[0003] In view of the above problems, the utility model discloses a transmission system of an all-terrain wheeled robot, which adopts chains between the driving wheel and each driven wheel to realize transmission, so that each tire has power to ensure that the all-terrain robot can adapt to various complex road conditions.

[0004] The specific technical solutions are as follows:

[0005] A transmission system of an all-terrain wheeled robot comprises two wheel axle transmission groups symmetrically distributed on both sides of a frame, each wheel axle transmission group comprises a power shaft, a front wheel axle, a middle wheel axle and a rear wheel axle, and the front wheel axle, the middle wheel axle and the rear wheel axle are rotatably arranged on one side of the frame in sequence; the power shaft is located between the front wheel axle and the middle wheel axle, one end of the power shaft is used to be connected to the output end of one side of the gearbox, and the other end of the power shaft is rotatably arranged on the frame, one side of the power shaft is connected to the front wheel axle through a group of sprocket chain transmission assemblies, and the other side of the power shaft is connected to the middle wheel axle through a group of sprocket chain transmission assemblies, and the side of the middle wheel axle away from the power shaft is also connected to the rear wheel axle through a group of sprocket chain transmission assemblies, thereby realizing the transmission connection between the power shaft and the front wheel axle, the middle wheel axle and the rear wheel axle.

[0006] Furthermore, a connecting flange is provided at one end of the power shaft, and the power shaft is connected to the output end of the gearbox via the connecting flange.

[0007] Furthermore, the diameters of the sprockets on the front wheel axle, the middle wheel axle and the rear wheel axle are equal and larger than the diameter of the sprocket on the power shaft.

[0008] Furthermore, one end of the front wheel axle, the middle wheel axle and the rear wheel axle is respectively provided with a flange for mounting tires.

[0009] Furthermore, the outer ends of the front wheel axle, the middle wheel axle and the rear wheel axle are rotatably connected to the frame through a bearing seat, and the inner ends of the front wheel axle, the middle wheel axle and the rear wheel axle are rotatably arranged on the frame through a rotating seat.

[0010] Furthermore, the bearing seat includes a shell arranged on the outer wall of the frame and bearings arranged at both ends of the shell.

[0011] Furthermore, one end of the power shaft is also rotatably disposed on the vehicle frame via a rotating seat.

[0012] The beneficial effects of the utility model are embodied in:

[0013] The utility model adopts a power shaft connected to the output end of the gearbox, and then the two sides of the power shaft are respectively connected to the front and middle wheel shafts through sprockets and chains, and the middle and rear wheel shafts are also connected through sprockets and chains. In this way, each tire has power to ensure that the all-terrain robot can adapt to various complex road environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Figure 2 It is a top view of the utility model.

[0016] Figure 3 It is a side view of the utility model.

[0017] Axle transmission group 1, power shaft 2, front wheel axle 3, middle wheel axle 4, rear wheel axle 5, flange 6, connecting flange 7, bearing seat 8, rotating seat 9, sprocket 10, chain 11. DETAILED DESCRIPTION

[0018] In order to make the technical solution of the utility model clearer, the utility model is further described below in conjunction with the accompanying drawings. Any equivalent replacement of the technical features of the technical solution of the utility model and any solution derived from conventional reasoning shall fall within the protection scope of the utility model. The fixed connection and fixed setting mentioned in the utility model are all common connection methods in the mechanical field, including welding, bolt and nut connection, and screw connection.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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, and therefore should not be understood as a limitation on the present invention.

[0020] See also Figures 1-3 The present embodiment provides a transmission system of an all-terrain wheeled robot, comprising two wheel axle transmission groups 1 symmetrically distributed on both sides of a frame, each wheel axle transmission group 1 comprises a power shaft 2, a front wheel shaft 3, a middle wheel shaft 4 and a rear wheel shaft 5, the front wheel shaft 3, the middle wheel shaft 4 and the rear wheel shaft 5 are horizontally rotatably arranged on one side of the frame in sequence, wherein the outer ends of the front wheel shaft 3, the middle wheel shaft 4 and the rear wheel shaft 5 are rotatably connected to the frame through a bearing seat 8, the inner ends of the front wheel shaft 3, the middle wheel shaft 4 and the rear wheel shaft 5 are rotatably arranged on the frame through a rotating seat 9, and the outer ends of the front wheel shaft 3, the middle wheel shaft 4 and the rear wheel shaft 5 are respectively provided with flanges 6 for mounting tires. The power shaft 2 is located between the front wheel shaft 3 and the middle wheel shaft 4, the other end of the power shaft 2 is rotatably arranged on the frame through a rotating seat 9, the other end of the power shaft 2 is provided with a connecting flange 7, and the power shaft 2 is connected to the output end of one side of the gearbox through the connecting flange 7, and the input end of the gearbox is connected to the output end of the motor and the generator. One side of the power shaft 2 is connected to the front wheel shaft 3 through a group of sprocket chain transmission components, and the other side of the power shaft 2 is connected to the middle wheel shaft 4 through a group of sprocket chain transmission components. The side of the middle wheel shaft 4 away from the power shaft 2 is also connected to the rear wheel shaft 5 through a group of sprocket chain transmission components, thereby realizing the transmission connection between the power shaft 2 and the front wheel shaft 3, the middle wheel shaft 4 and the rear wheel shaft 5.

[0021] In this embodiment, the sprocket chain transmission assembly includes sprockets 10 arranged on two shafts and chains 11 arranged on the two sprockets 10 for transmission.

[0022] In this embodiment, the diameters of the sprockets 10 on the front wheel axle 3, the middle wheel axle 4 and the rear wheel axle 5 are equal and larger than the diameter of the sprocket 10 on the power shaft 2 to ensure that the power output to each axle remains equal.

[0023] In this embodiment, the bearing seat 8 includes a shell arranged on the outer wall of the frame and bearings arranged at both ends of the shell; the rotating seat 9 includes a hoop fixed on the inner wall of the frame and bearings arranged in the hoop.

[0024] The power shaft of the utility model is connected to the front and middle wheel shafts and the middle and rear wheel shafts by a transmission method of a sprocket 10 and a chain 11, so that each tire has power, ensuring that the all-terrain robot can rely on other power wheels to travel normally when individual tires or multiple tires are suspended.

[0025] As described above, it is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A transmission system of an all-terrain wheeled robot, comprising two wheel axle drive groups (1) symmetrically distributed on both sides of the vehicle frame, characterized in that, Each wheel shaft transmission group comprises a power shaft (2), a front wheel shaft (3), a middle wheel shaft (4) and a rear wheel shaft (5), wherein the front wheel shaft (3), the middle wheel shaft (4) and the rear wheel shaft (5) are rotatably arranged on one side of the frame in sequence; the power shaft (2) is located between the front wheel shaft (3) and the middle wheel shaft (4), one end of the power shaft (2) is used to be connected to the output end of one side of the gearbox, and the other end of the power shaft (2) is rotatably arranged on the frame, one side of the power shaft (2) is transmission-connected to the front wheel shaft (3) through a group of sprocket chain transmission components, and the other side of the power shaft (2) is transmission-connected to the middle wheel shaft (4) through a group of sprocket chain transmission components, and the side of the middle wheel shaft (4) away from the power shaft (2) is also transmission-connected to the rear wheel shaft (5) through a group of sprocket chain transmission components, thereby realizing transmission connection between the power shaft (2) and the front wheel shaft (3), the middle wheel shaft (4) and the rear wheel shaft (5).

2. The transmission system of an all-terrain wheeled robot according to claim 1, wherein, One end of the power shaft (2) is provided with a connecting flange (7), and the power shaft (2) is connected to the output end of the gearbox via the connecting flange (7).

3. The transmission system of an all-terrain wheeled robot as claimed in claim 1, wherein The diameters of the sprockets (10) on the front wheel shaft (3), the middle wheel shaft (4) and the rear wheel shaft (5) are equal and larger than the diameter of the sprocket (10) on the power shaft (2).

4. The transmission system of an all-terrain wheeled robot according to claim 1, characterized in that, One end of the front wheel axle (3), the middle wheel axle (4) and the rear wheel axle (5) is respectively provided with a flange (6) for mounting tires.

5. The transmission system of an all-terrain wheeled robot according to claim 1, characterized in that, The outer ends of the front wheel axle (3), the middle wheel axle (4) and the rear wheel axle (5) are rotatably connected to the frame via a bearing seat (8), and the inner ends of the front wheel axle (3), the middle wheel axle (4) and the rear wheel axle (5) are rotatably arranged on the frame via a rotating seat (9).

6. The transmission system of an all-terrain wheeled robot according to claim 5, characterized in that, The bearing seat (8) comprises a shell body arranged on the outer wall of the frame and bearings arranged at both ends of the shell body.

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