A basketball robot for playing

Abstract

The application relates to a basketball robot for competition, wheel support assemblies are oppositely arranged left and right, wheel assemblies are fixed on the wheel support assemblies, the upper surfaces of the oppositely arranged wheel support assemblies are fixedly connected through first support supports, the lower surfaces of the middle positions of the wheel support assemblies are fixed with second support supports and third support supports, one end of a support plate is fixed on the first support supports, the other end is fixed on the third support supports, the left and right ends of the first support supports are both fixed with short vertical supports, the oppositely arranged wheel support assemblies are both fixed with long vertical supports, the front sides of the lower ends of the long vertical supports are both fixed with ball sucking structures, conveying structures are arranged between the long vertical supports and the short vertical supports, the long vertical supports are fixed with ball throwing structures above, the front sides of the upper ends of the long vertical supports are fixed with limiting blocks, arc-shaped limiting openings are arranged in the front ends of the limiting blocks. The application can realize the movement and ball grabbing of the basketball robot, does not need manual ball feeding, and realizes basketball confrontation competition.

Description

Technical Field

[0001] This invention relates to the field of sports equipment technology, and in particular to a basketball robot for competition. Background Technology

[0002] With societal development, robots have integrated into all aspects of people's lives. In schools, students often use robots for basketball games. During these games, the basketball robots need precise abilities such as grasping, moving, positioning, and shooting to cooperate with the students. However, current competition robots can only be used for shooting games from fixed positions; they cannot perform agile movement or grasp the basketball, requiring manual feeding of the ball to the robot. Summary of the Invention

[0003] The purpose of this invention is to provide a basketball robot for competition, which can control the movement of the basketball robot and grasp the ball without the need for manual ball delivery, thus enabling competitive basketball games.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a basketball robot for competition, the basketball robot comprising a wheel bracket assembly, a wheel assembly, a first support bracket, a short upright, a long upright, and a support plate. The wheel bracket assemblies are arranged opposite each other on the left and right sides. The wheel assembly is fixed to the wheel bracket assembly. The upper surfaces of the wheel bracket assemblies arranged on the left and right sides are fixedly connected by the first support bracket. A second support bracket and a third support bracket are fixed to the lower surface of the wheel bracket assembly at the middle position. One end of the support plate is fixed to the first support bracket, and the other end is fixed to the third support bracket. The short upright is fixed to both the left and right ends of the first support bracket. The long upright is fixed to both the left and right wheel bracket assemblies. A ball-absorbing structure is fixed to the front side of the lower end of the long upright. A transmission structure is provided between the long upright and the short upright. A ball-throwing structure is fixed above the long upright. A limit block is fixed to the front side of the upper end of the long upright. An arc-shaped limit opening is provided at the front end of the limit block.

[0005] Furthermore, the basketball robot also includes a controller fixed above the wheel bracket assembly, which controls the movement of the basketball robot.

[0006] Furthermore, the wheel bracket assembly includes a first double right-angle rod arranged opposite to each other and a U-shaped fixing block, wherein the U-shaped fixing block is fixed to the rear surface of the tail end and the upper surface of the front end of the first double right-angle rod.

[0007] Furthermore, the wheel assembly includes a first wheel, a second wheel, and a third wheel, which are arranged sequentially from front to back between the first double right-angle rods arranged opposite each other. A first rotating shaft is fixed at the axle opening of the first wheel, the second wheel, and the third wheel, and both ends of the first rotating shaft are movably connected to the first double right-angle rods. A first gear, a second gear, and a third gear are respectively fixed on the inner side of the first wheel, the second wheel, and the third wheel. A fourth gear, a fifth gear, and a sixth gear are arranged sequentially from front to back between the first gear and the second gear. The axle openings of the fourth gear and the fifth gear are fixed... There is a second rotating shaft, both ends of which are movably connected to the first double right-angle rod. A third rotating shaft is fixed at the axial opening of the sixth gear. One end of the third rotating shaft is movably connected to the first double right-angle rod, and the other end is connected to the first drive motor. A seventh gear is provided between the second gear and the third gear. A fourth rotating shaft is fixed at the axial opening of the seventh gear. One end of the fourth rotating shaft is movably connected to the first double right-angle rod, and the other end is connected to the second drive motor. The first drive motor and the second drive motor are both fixed on the first double right-angle rod. The first gear to the seventh gear are all meshed and driven by each other.

[0008] Furthermore, the ball-suction structure includes a second pair of right-angled rods arranged parallel to each other vertically. The second pair of right-angled rods are connected by a fixing plate. One end of each pair of right-angled rods is fixed to the outer side of the long upright. Support blocks are fixed to the inner rear ends of the upper and lower pairs of right-angled rods. A third drive motor is fixed to the upper support block. A fifth rotating shaft is fixedly connected to the output end of the third drive motor. The other end of the fifth rotating shaft is movably connected to the lower support block. A first sprocket is fixed above the fifth rotating shaft. A sixth rotating shaft is movably connected between the front ends of the second pair of right-angled rods arranged parallel to each other vertically. A second sprocket is fixed above the sixth rotating shaft. The first sprocket is driven by the second sprocket through a first chain. A first roller is fixed below the first sprocket, and a second roller is fixed below the second sprocket.

[0009] Furthermore, the second double right-angle bar is set to tilt inward in the horizontal direction.

[0010] Furthermore, the conveying structure includes a third drive motor and left and right opposing stop bars. One end of each stop bar is fixed to the long upright frame, and the other end is fixed to the short upright frame. The third drive motor is fixed to the outer side of the middle position of the long upright frame. A first rotating rod is fixed to the output end of the third drive motor. Both ends of the first rotating rod are movably connected to the long upright frame. An eighth gear is fixed to the first rotating rod. A second rotating rod, movably connected to the long upright frame, is arranged above the first rotating rod. A first roller assembly is fixed to the second rotating rod. A ninth gear, meshing with the eighth gear, is fixed to one side of the first roller assembly. A third sprocket is fixed to the other side of the component. A third rotating rod is provided below the first rotating rod. The third rotating rod is movably connected to the long upright. A second roller assembly is fixed on the third rotating rod. A fourth sprocket is fixed to the side of the second roller assembly. The third sprocket and the fourth sprocket are driven by a second chain. A fifth sprocket is fixed to one end of the first rotating rod, which extends out of the outside of the long upright. A fourth rotating rod is movably connected to the short upright. A third roller assembly is fixed to the fourth rotating rod. A sixth sprocket is fixed to one end of the fourth rotating rod, which extends out of the outside of the short upright. The fifth sprocket and the sixth sprocket are driven by a third chain.

[0011] Furthermore, the throwing structure includes a fourth drive motor, a motor mounting bracket, a crossbeam, a fourth roller assembly, and a fifth roller assembly. The crossbeam is fixed to the upper end of the long upright frame. The motor mounting bracket is fixed to the portion of the long upright frame located above the crossbeam via a fixing rod. The fourth drive motor is fixed to the motor mounting bracket. A fifth rotating rod is fixed to the output end of the fourth drive motor. The other end of the fifth rotating rod is fixed to the outer side of one side of the long upright frame. A tenth gear is fixed to the fifth rotating rod. A sixth rotating rod is provided above the fifth rotating rod and is movably connected to both the motor mounting bracket and the long upright frame. An eleventh gear meshing with the tenth gear is fixed to the sixth rotating rod. The fourth roller assembly is fixed to the sixth rotating rod. A twelfth gear is fixed to the side of the fourth roller assembly. A seventh rotating rod is movably connected to a long upright on one side below the sixth rotating rod. A thirteenth gear meshing with the twelfth gear is fixed on the seventh rotating rod. One end of the seventh rotating rod extends out of the outside of the long upright and is fixed with a seventh sprocket. A vertical short support is fixed to the rear end of the cross frame. An eighth rotating rod movably connected to the bottom of the vertical short support is provided. The fifth roller assembly is fixed on the eighth rotating rod. One end of the eighth rotating rod extends out of the outside of the vertical short support and is fixed with an eighth sprocket. The seventh sprocket and the eighth sprocket are driven by a fourth chain. A crossbeam is fixed above the vertical short support, and a forward-inclined guide plate is connected to the crossbeam.

[0012] Furthermore, a forward-leaning rod is fixed to the top of the long upright frame, and a baffle is fixed to the inner side of the rod.

[0013] Furthermore, the first roller assembly to the fifth roller assembly each includes a symmetrically fixed shaft disc and a limiting bushing. The two ends of the limiting bushing are respectively fixed at the central opening of the symmetrically fixed shaft disc. The symmetrical shaft discs each have a plurality of U-shaped grooves arranged in a ring. The shaft discs are fitted with a plurality of elastic rubber rings, and the elastic rubber rings are all stuck in the grooves of the U-shaped grooves.

[0014] The beneficial effects of this invention are as follows: The basketball robot of this invention can participate in competitive games. By controlling the wheel assembly, the basketball robot can move quickly and agilely. By controlling the power output of the first and second drive motors on the left and right sides respectively, the speed of the basketball robot can be controlled. By controlling the direction of the power output of the first and second drive motors on the left and right sides, the basketball robot can turn quickly. The robot moves to the basketball, grabs the basketball onto the support plate through the ball-grabbing structure, and transmits the basketball from the support plate to the net-shooting structure through the transmission structure. The ball is then shot through the shooting structure. If the student accidentally grabs the wrong ball, the ball can be separated from the gap between the transmission structure and the shooting structure by keeping the transmission structure rotating in the forward direction and driving the shooting mechanism to reverse. Attached Figure Description

[0015] Figure 1 This is a structural schematic diagram of the invention from the left side view; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 for Figure 1 Enlarged view of point B in the middle; Figure 4 This is a structural schematic diagram of the invention from the right side view; Figure 5 for Figure 4 Enlarged view of point C in the middle; Figure 6 Bottom view of the present invention; Figure 7 for Figure 6 Enlarged view of point D in the middle; Figure 8 This is the front view of the present invention; Figure 9 for Figure 8 Enlarged view at point E in the middle; Figure 10 for Figure 8Enlarged view at point F; Figure 11 This is the right view of the present invention.

[0016] The components include: 1. First support bracket; 2. Short upright; 3. Long upright; 4. Support plate; 5. Wheel bracket assembly; 51. First double right-angle rod; 52. U-shaped fixing block; 6. Wheel assembly; 601. First wheel; 602. Second wheel; 603. Third wheel; 604. First gear; 605. Second gear; 606. Third gear; 607. Fourth gear; 608. Fifth gear; 609. Sixth gear; 610. Seventh gear; 611. First rotating shaft; 612. Second rotating shaft; 613. Third rotating shaft; 614. Fourth... 7. Rotating shaft, 615. First drive motor, 616. Second drive motor, 7. Ball suction structure, 701. Second double right-angle rod, 702. Fixing plate, 703. Support block, 704. Third drive motor, 705. Fifth rotating shaft, 706. First sprocket, 707. Second sprocket, 708. Sixth rotating shaft, 709. First chain, 710. First roller, 711. Second roller, 8. Transmission structure, 801. Fifth drive motor, 802. Stop bar, 803. First rotating rod, 804. Eighth gear, 805. Ninth gear, 806. Second rotating rod, 807; First roller assembly, 808; Third sprocket, 809; Fourth sprocket, 810; Second chain, 811; Third rotating rod, 812; Fifth sprocket, 813; Sixth sprocket, 814; Third chain, 815; Fourth rotating rod, 816; Second roller assembly, 817; Third roller assembly, 9; Ball throwing structure, 901; Fourth drive motor, 902; Motor mounting bracket, 903; Horizontal frame, 904; Fourth roller assembly, 905; Fifth roller assembly, 906; Fixing rod, 907; Fifth rotating rod, 908; 10th gear, 909, 11th gear, 910, 6th rotating rod, 911, 7th rotating rod, 912, 13th gear, 913, 7th sprocket, 914, 8th sprocket, 915, 4th chain, 916, vertical short bracket, 917, 8th rotating rod, 918, guide plate, 919, 12th gear, 10, 2nd support bracket, 11, 3rd support bracket, 12, limit block, 13, arc-shaped limit port, 14, controller, 15, baffle, 16, rod body, 17, shaft disc, 18, limit bushing, 19, U-shaped groove, 20, elastic rubber ring. Detailed Implementation

[0017] The invention will now be further described with reference to the accompanying drawings.

[0018] Please see Figures 1 to 11This invention provides an embodiment: a basketball robot for competition, the basketball robot including a wheel bracket assembly 5, a wheel assembly 6, a first support bracket 1, a short upright 2, a long upright 3, and a support plate 4. The wheel bracket assemblies 5 are arranged left and right opposite each other. The wheel assembly 6 is fixed to the wheel bracket assembly 5. The upper surfaces of the left and right wheel bracket assemblies 5 are fixedly connected by the first support bracket 1. The lower surface of the wheel bracket assembly 5 at the middle position is fixed with a second support bracket 10 and a third support bracket 11. One end of the support plate 4 is fixed to the first support bracket 10. One end is fixed to the first support bracket 1, and the other end is fixed to the third support bracket 11. The short uprights 2 are fixed to both the left and right ends of the first support bracket 1. The long uprights 3 are fixed to the wheel bracket assemblies 5 arranged on the left and right. The ball suction structure 7 is fixed to the lower front side of the long uprights 3. A conveying structure 8 is arranged between the long uprights 3 and the short uprights 2. A ball throwing structure 9, a conveying structure 8 and a ball suction structure 7 are fixed to the upper part of the long uprights 3. A limit block 12 is fixed to the upper front side of the long uprights 3. An arc-shaped limit opening 13 is opened at the front end of the limit block 12. The wheel assembly 6 is used to move the basketball robot. The short stand 2 and the long stand 3 are used to fix the ball-absorbing structure 7. By controlling the direction of the power output of the first drive motor 615 and the second drive motor 616 on the left and right sides of the wheel assembly 6, the basketball robot can turn quickly and move to the basketball. The ball-absorbing structure 7 is driven to grab the basketball and put it on the support plate 4. The transmission structure 8 is driven to transfer the basketball from the support plate 4 to the shooting structure 9. The shooting structure 9 is then driven to shoot the basketball. If the student grabs the wrong ball due to their own operation error, the transmission structure 8 can be kept rotating in the forward direction, and the shooting mechanism can be driven to reverse, so that the ball can be separated from the gap between the transmission structure 8 and the shooting structure 9, saving time in the game. The arc-shaped limiting port 13 on the limiting block 12 can fit with the basketball hoop for positioning and accurate scoring.

[0019] Please continue reading. Figure 4 As shown, in one embodiment of the present invention, the basketball robot further includes a controller 14 fixed above the wheel support assembly 5, the controller 14 controlling the movement of the basketball robot. The controller 14 can accept operating instructions from the remote control in the student's hand, and realize the operation of the basketball robot by controlling the instructions of each drive motor.

[0020] Please continue reading. Figure 1 As shown, in one embodiment of the present invention, the wheel bracket assembly 5 includes a first double right-angle rod 51 arranged opposite to each other and a U-shaped fixing block 52. The U-shaped fixing block 52 is fixed to the rear surface of the tail end and the upper surface of the front end of the first double right-angle rod 51.

[0021] Please continue reading. Figure 1 , Figure 6 , Figure 7 As shown, in one embodiment of the present invention, the wheel assembly 6 includes a first wheel 601, a second wheel 602, and a third wheel 603. The first wheel 601, the second wheel 602, and the third wheel 603 are arranged sequentially from front to back between the first double right-angle rods 51 arranged opposite each other. A first rotating shaft 611 is fixed at the axle opening of the first wheel 601, the second wheel 602, and the third wheel 603. Both ends of the first rotating shaft 611 are movably connected to the first double right-angle rods 51. A first gear 604, a second gear 605, and a third gear 606 are respectively fixed on the inner side of the first wheel 601, the second wheel 602, and the third wheel 603. A fourth gear 607, a fifth gear 608, and a sixth gear 609 are arranged sequentially from front to back between the first gear 604 and the second gear 605. The fourth gear 607 and the fifth gear 609... A second rotating shaft 612 is fixed at the axial opening of gear 608. Both ends of the second rotating shaft 612 are movably connected to the first double right-angle rod 51. A third rotating shaft 613 is fixed at the axial opening of the sixth gear 609. One end of the third rotating shaft 613 is movably connected to the first double right-angle rod 51, and the other end is connected to the first drive motor 615. A seventh gear 610 is provided between the second gear 605 and the third gear 606. A fourth rotating shaft 614 is fixed at the axial opening of the seventh gear 610. One end of the fourth rotating shaft 614 is movably connected to the first double right-angle rod 51, and the other end is connected to the second drive motor 616. The first drive motor 615 and the second drive motor 616 are both fixed on the first double right-angle rod 51. The first gear 604 to the seventh gear 610 are all meshed and driven by each other. The operation of the first drive motor 615 and the second drive motor 616 drives the sixth gear 609 and the seventh gear 610 to operate in the same direction, thereby driving the other gears to rotate. The first gear 604, the second gear 605, and the third gear 606 rotate in the same direction, so that the first wheel 601, the second wheel 602, and the third wheel 603 also rotate in the same direction. This enables the basketball robot of the present invention to move quickly. The direction of movement of the basketball robot can be controlled by controlling the rotation speed and direction of the first drive motor 615 and the second drive motor 616 on the left and right sides. The first wheel 601, the second wheel 602, and the third wheel 603 are all omnidirectional wheels, which can realize lateral movement and spinning in place.

[0022] Please continue reading. Figures 1 to 3As shown, in one embodiment of the present invention, the ball-suction structure 7 includes a second double right-angle rod 701 arranged parallel to each other vertically. The second double right-angle rods 701 are connected by a fixing plate 702. One end of the second double right-angle rod 701 is fixed to the outer side of the long upright 3. Support blocks 703 are fixed to the inner rear ends of the upper and lower second double right-angle rods 701. A third drive motor 801 is fixed on the upper support block 703. The output end of the third drive motor 801 is fixedly connected to a fifth rotating shaft 705. The other end of the fifth rotating shaft 705 is movably connected to the support block 703 below. A first sprocket 706 is fixed above the fifth rotating shaft 705. A sixth rotating shaft 708 is movably connected between the front ends of the second double right-angle rods 701 arranged vertically in parallel. A second sprocket 707 is fixed above the sixth rotating shaft 708. The first sprocket 706 is driven by the second sprocket 707 through a first chain 709. A first roller 710 is fixed below the first sprocket 706. A second roller 711 is fixed below the second sprocket 707. The first sprocket 706 and the first roller 710 are driven to rotate by the third drive motor 801. The first sprocket 706 is driven by the first chain 709 to drive the second roller 711 to rotate synchronously. The rotation of the first roller 710 and the second roller 711 can drive the basketball to move towards the inside of the basketball robot through friction. The drive wheel assembly 6 drives the basketball robot to approach the basketball. The first roller 710 and the second roller 711 in the ball suction mechanism on both sides drive the basketball to move onto the support plate 4.

[0023] Please continue reading. Figures 1 to 3 As shown, in one embodiment of the present invention, the second double right-angle rod 701 is inclined inward in the horizontal direction. The inward inclination of the second double right-angle rod 701 facilitates contact between the basketball and the first roller 710 and the second roller 711.

[0024] Please continue reading. Figures 1 to 11As shown, in one embodiment of the present invention, the conveying structure 8 includes a fifth drive motor 801 and left and right opposing baffles 802. One end of the baffle 802 is fixed to the long upright 3, and the other end is fixed to the short upright 2. The fifth drive motor 801 is fixed to the outer side of the middle position of the long upright 3. A first rotating rod 803 is fixed to the output end of the fifth drive motor 801. Both ends of the first rotating rod 803 are movably connected to the long upright 3. An eighth gear 804 is fixed on the first rotating rod 803. A second rotating rod 806 is arranged above the first rotating rod 803 and movably connected to the long upright 3. A first roller assembly 807 is fixed on the second rotating rod 806. A ninth gear 805 that meshes with the eighth gear 804 is fixed to one side of the first roller assembly 807. A third sprocket 808 is fixed to the other side of the first rotating rod 803. A third rotating rod 811 is provided below the first rotating rod 803. The third rotating rod 811 is movably connected to the long upright 3. A second roller assembly 816 is fixed on the third rotating rod 811. A fourth sprocket 809 is fixed to the side of the second roller assembly 816. The third sprocket 808 and the fourth sprocket 809 are driven by a second chain 810. A fifth sprocket 812 is fixed to one end of the first rotating rod 803, which extends out of the outside of the long upright 3. A fourth rotating rod 815 is movably connected to the short upright 2. A third roller assembly 817 is fixed to the fourth rotating rod 815. A sixth sprocket 813 is fixed to one end of the fourth rotating rod 815, which extends out of the outside of the short upright 2. The fifth sprocket 812 and the sixth sprocket 813 are driven by a third chain 814. The third drive motor 801 drives the first rotating rod 803 to rotate, which in turn drives the second rotating rod 806 to rotate. The second rotating rod 806 and the third rotating rod 811 drive the third rotating rod 811 to rotate in the same direction. The first rotating rod 803 and the fourth rotating rod 815 drive the first rotating rod 803 to rotate in the same direction, while the second rotating rod 806 and the third rotating rod 811 rotate in the opposite direction. The first roller assembly 807 is smaller in shape than the third roller assembly 817, and the third roller assembly 817 is smaller in shape than the second roller assembly 816. This allows the roller assemblies in the direction of the second rotating rod 806 and the third rotating rod 811 to drive the basketball upward through friction.

[0025] Please continue reading. Figure 1 Character Figure 11As shown, in one embodiment of the present invention, the ball-throwing structure 9 includes a fourth drive motor 901, a motor mounting bracket 902, a crossbeam 903, a fourth roller assembly 904, and a fifth roller assembly 905. The crossbeam 903 is fixed to the upper end of the long upright frame 3. The motor mounting bracket 902 is fixed to the portion of the long upright frame 3 located above the crossbeam 903 by a fixing rod 906. The fourth drive motor 901 is fixed to the motor mounting bracket 902. A fifth rotating rod 907 is fixed to the output end of the fourth drive motor 901. The other end of the fifth rotating rod 907 is fixed to the outside of the long upright frame 3 on one side. A tenth gear 908 is fixed to the fifth rotating rod 907. A sixth rotating rod 910 is provided above the fifth rotating rod 907 and is movably connected to both the motor mounting bracket 902 and the long upright frame 3. An eleventh gear 909 that meshes with the tenth gear 908 is fixed to the sixth rotating rod 910. The fourth roller assembly 905 is fixed to the sixth rotating rod 910. 04. A twelfth gear 919 is fixed to the side of the fourth roller assembly 904. A seventh rotating rod 911 is provided below the sixth rotating rod 910 and is movably connected to the long upright frame 3 on one side. A thirteenth gear 912 that meshes with the twelfth gear 919 is fixed on the seventh rotating rod 911. One end of the seventh rotating rod 911 extends out of the outside of the long upright frame 3 and is fixed with a seventh sprocket 913. A vertical short support 916 is fixed to the rear end of the cross frame 903. An eighth rotating rod 917 is provided at the bottom of the vertical short support 916 and is movably connected to the vertical short support 916. The fifth roller assembly 905 is fixed on the eighth rotating rod 917. One end of the eighth rotating rod 917 extends out of the outside of the vertical short support 916 and is fixed with an eighth sprocket 914. The seventh sprocket 913 and the eighth sprocket 914 are driven by a fourth chain 915. A crossbeam is fixed above the vertical short support 916, and a forward-inclined guide plate 918 is connected to the crossbeam. Through the cooperation of the tenth gear 908 to the thirteenth gear 912 and the fifth sprocket 812 and the sixth sprocket 813, the fifth rotating rod 907 drives the sixth rotating rod 910 to rotate in the opposite direction. The sixth rotating rod 910 drives the seventh rotating rod 911 to rotate in the same direction as the fifth rotating rod 907. The seventh rotating rod 911 drives the eighth rotating rod 917 to rotate in the opposite direction to the sixth rotating rod 910, so that the basketball can move upward through friction. The position of the sixth rotating rod 910 is higher than that of the eighth rotating rod 917. The shape of the fourth roller assembly 904 is larger than that of the fifth roller assembly 905, and a forward-inclined guide plate 918 is connected to the crossbeam, which enables the basketball to be thrown into the basketball hoop along the direction of the guide plate 918 under the friction of the fourth roller assembly 904 and the fifth roller assembly 905.

[0026] Please continue reading. Figure 1As shown, in one embodiment of the present invention, a forward-inclined rod 16 is fixed to the top of the long upright frame 3, and a baffle 15 is fixed to the inner side of the rod 16. The rod 16 and the baffle 15 work together to limit the thrown basketball and prevent it from leaving the basketball hoop.

[0027] Please continue reading. Figure 1 As shown, in one embodiment of the present invention, the first roller assembly 807 to the fifth roller assembly 905 each include symmetrically fixed axle discs 17 and limiting bushings 18. The two ends of the limiting bushings 18 are respectively fixed to the central openings of the symmetrically fixed axle discs 17. Each of the symmetrically fixed axle discs 17 has a plurality of annularly arranged U-shaped grooves 19. A plurality of elastic rubber rings 20 are fitted onto the axle discs 17, and each elastic rubber ring 20 is engaged within the grooves of the U-shaped grooves 19. The limiting bushings 18 can fix the symmetrically fixed axle discs 17, and the elastic rubber rings 20 have a large frictional force, which can drive the movement and position transmission of the basketball by controlling the high-speed rotation of the roller assembly.

[0028] The invention operates on the following principle: By controlling the direction of power output from the first and second drive motors on the left and right sides of the wheel assembly, the invention enables the basketball robot to turn quickly, drive the robot to the basketball, and use a suction structure to grab the basketball onto a support plate. A transmission structure then moves the basketball from the support plate to the throwing mechanism, which in turn throws the ball. If a student makes a mistake and grabs the wrong ball, the transmission structure can be kept rotating in the forward direction while the throwing mechanism is reversed, allowing the ball to be separated from the gap between the transmission and throwing mechanisms, saving time during the game. The arc-shaped limiting port on the limiting block fits the basketball hoop for precise positioning, enabling accurate shots.

[0029] The above description is only a preferred embodiment of the present invention and should not be construed as a limitation of this application. All equivalent changes and modifications made in accordance with the scope of the patent application of the present invention should be covered by the present invention.

Claims

1. A basketball robot for competition, characterized in that: The basketball robot includes a wheel bracket assembly, a wheel assembly, a first support bracket, a short upright, a long upright, and a support plate. The wheel bracket assemblies are arranged opposite each other on the left and right sides. The wheel assembly is fixed to the wheel bracket assembly. The upper surfaces of the wheel bracket assemblies arranged on the left and right sides are fixedly connected by the first support bracket. A second support bracket and a third support bracket are fixed to the lower surface of the wheel bracket assembly in the middle position. One end of the support plate is fixed to the first support bracket, and the other end is fixed to the third support bracket. The short upright is fixed to both the left and right ends of the first support bracket. The long upright is fixed to both the left and right wheel bracket assemblies. A ball-absorbing structure is fixed to the front side of the lower end of the long upright. A transmission structure is provided between the long upright and the short upright. A ball-throwing structure is fixed above the long upright. A limit block is fixed to the front side of the upper end of the long upright. The front end of the limit block has an arc-shaped limit opening. The conveying structure includes a fifth drive motor and left and right opposing stop bars. One end of each stop bar is fixed to the long upright frame, and the other end is fixed to the short upright frame. The fifth drive motor is fixed to the outer side of the middle position of the long upright frame. A first rotating rod is fixed to the output end of the fifth drive motor. Both ends of the first rotating rod are movably connected to the long upright frame. An eighth gear is fixed to the first rotating rod. A second rotating rod, movably connected to the long upright frame, is arranged above the first rotating rod. A first roller assembly is fixed to the second rotating rod. A ninth gear, meshing with the eighth gear, is fixed to one side of the first roller assembly. A third sprocket is fixed to the other side of the first rotating rod. A third rotating rod is provided below the first rotating rod. The third rotating rod is movably connected to the long upright. A second roller assembly is fixed on the third rotating rod. A fourth sprocket is fixed to the side of the second roller assembly. The third sprocket and the fourth sprocket are driven by a second chain. A fifth sprocket is fixed to one end of the first rotating rod, which extends out of the outside of the long upright. A fourth rotating rod is movably connected to the short upright. A third roller assembly is fixed to the fourth rotating rod. A sixth sprocket is fixed to one end of the fourth rotating rod, which extends out of the outside of the short upright. The fifth sprocket and the sixth sprocket are driven by a third chain.

2. The basketball robot for competition according to claim 1, characterized in that: The basketball robot also includes a controller fixed above the wheel bracket assembly, which controls the movement of the basketball robot.

3. The basketball robot for competition according to claim 1, characterized in that: The wheel bracket assembly includes a first double right-angle rod arranged opposite to each other and a U-shaped fixing block. The U-shaped fixing block is fixed to the rear surface of the tail end and the upper surface of the front end of the first double right-angle rod.

4. A basketball robot for competition according to claim 3, characterized in that: The wheel assembly includes a first wheel, a second wheel, and a third wheel, which are arranged sequentially from front to back between the first double right-angle rods arranged opposite each other. A first rotating shaft is fixed to the axle opening of the first wheel, the second wheel, and the third wheel, and both ends of the first rotating shaft are movably connected to the first double right-angle rods. A first gear, a second gear, and a third gear are respectively fixed to the inner side of the first wheel, the second wheel, and the third wheel. A fourth gear, a fifth gear, and a sixth gear are arranged sequentially from front to back between the first gear and the second gear. A first gear is fixed to the axle opening of the fourth gear and the fifth gear. Two rotating shafts are connected at both ends of the second rotating shaft to the first double right-angle rod. A third rotating shaft is fixed at the axial opening of the sixth gear. One end of the third rotating shaft is movably connected to the first double right-angle rod, and the other end is connected to the first drive motor. A seventh gear is provided between the second and third gears. A fourth rotating shaft is fixed at the axial opening of the seventh gear. One end of the fourth rotating shaft is movably connected to the first double right-angle rod, and the other end is connected to the second drive motor. Both the first and second drive motors are fixed on the first double right-angle rod. The first to seventh gears mesh and transmit power to each other.

5. A basketball robot for competition according to claim 1, characterized in that: The ball-suction structure includes a second pair of right-angled rods arranged parallel to each other vertically. The second pair of right-angled rods are connected by a fixing plate. One end of each of the second pair of right-angled rods is fixed to the outer side of the long upright. Support blocks are fixed to the inner rear ends of both the upper and lower pairs of right-angled rods. A third drive motor is fixed to the upper support block. A fifth rotating shaft is fixedly connected to the output end of the third drive motor. The other end of the fifth rotating shaft is movably connected to the lower support block. A first sprocket is fixed above the fifth rotating shaft. A sixth rotating shaft is movably connected between the front ends of the second pair of right-angled rods arranged parallel to each other vertically. A second sprocket is fixed above the sixth rotating shaft. The first sprocket is driven by the second sprocket via a first chain. A first roller is fixed below the first sprocket, and a second roller is fixed below the second sprocket.

6. A basketball robot for competition according to claim 5, characterized in that: The second double right-angle bar is set to tilt inward in a horizontal position.

7. A basketball robot for competition according to claim 1, characterized in that: The throwing structure includes a fourth drive motor, a motor mounting bracket, a crossbeam, a fourth roller assembly, and a fifth roller assembly. The crossbeam is fixed to the upper end of the long upright frame. The motor mounting bracket is fixed to the portion of the long upright frame located above the crossbeam via a fixing rod. The fourth drive motor is fixed to the motor mounting bracket. A fifth rotating rod is fixed to the output end of the fourth drive motor. The other end of the fifth rotating rod is fixed to the outside of one side of the long upright frame. A tenth gear is fixed to the fifth rotating rod. A sixth rotating rod is provided above the fifth rotating rod and is movably connected to both the motor mounting bracket and the long upright frame. An eleventh gear that meshes with the tenth gear is fixed to the sixth rotating rod. The fourth roller assembly is fixed to the sixth rotating rod. A twelfth gear is fixed to the side of the roller assembly. A seventh rotating rod is movably connected to a long upright on one side below the sixth rotating rod. A thirteenth gear meshing with the twelfth gear is fixed on the seventh rotating rod. One end of the seventh rotating rod extends out of the outside of the long upright and is fixed with a seventh sprocket. A vertical short support is fixed to the rear end of the cross frame. An eighth rotating rod movably connected to the bottom of the vertical short support is provided. The fifth roller assembly is fixed on the eighth rotating rod. One end of the eighth rotating rod extends out of the outside of the vertical short support and is fixed with an eighth sprocket. The seventh sprocket and the eighth sprocket are driven by a fourth chain. A crossbeam is fixed above the vertical short support, and a forward-inclined guide plate is connected to the crossbeam.

8. A basketball robot for competition according to claim 1, characterized in that: The top of the long frame is fixed with a forward-leaning pole, and a baffle is fixed to the inner side of the pole.

9. A basketball robot for competition according to claim 7, characterized in that: The first roller assembly to the fifth roller assembly all include a shaft disk and a limiting bushing that are fixed symmetrically on the left and right. The two ends of the limiting bushing are respectively fixed at the central opening of the shaft disk that is fixed symmetrically on the left and right. Multiple U-shaped grooves are provided on the shaft disk that are symmetrically on the left and right. Multiple elastic rubber rings are fitted on the shaft disk and the elastic rubber rings are all stuck in the grooves of the U-shaped grooves.

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