CN114272577A

CN114272577A - Automatic ball device of picking up in tennis court

Info

Publication number: CN114272577A
Application number: CN202111621323.9A
Authority: CN
Inventors: 戴本尧; 戴之航; 郭明; 杨承谕; 钟林淼
Original assignee: Zhejiang Industry and Trade Vocational College
Current assignee: Zhejiang Industry and Trade Vocational College
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-04-05

Abstract

An automatic ball picking device for a tennis court, comprising a main engine and a drum, a driving device inside the main engine can drive the bottom roller to rotate and output driving force to the drum, and a control circuit on the main engine can be controlled by a remote mobile phone, wireless remote control or button Switch control, a battery is installed inside the host to provide energy for the drive device, the drum includes a ball rod and a ball disc, the ball disc is in a ring shape, and the ball rods are arranged in a circular array on the ball disc ring to form a tubular structure, adjacent balls The distance between the rods is the same and slightly smaller than the diameter of the tennis ball, so that the tennis ball can pass through the gap between the clubs after being deformed under pressure, but cannot pass through the gap between the clubs when the tennis ball is not deformed. On the drive plate of the roller, the inner wall of the ball bar is provided with helical teeth, and the helical teeth of the plurality of ball bars are integrally arranged on the helical line, so that when the drum rotates, the tennis ball in the drum is moved towards the direction of the host by the reaction force of the helical teeth.

Description

Automatic ball device of picking up in tennis court

Technical Field

The invention belongs to the field of sports goods tennis equipment, and particularly relates to an automatic tennis ball picking device for a tennis court.

Background

The automatic ball device of picking up in current tennis court is either too complicated, or the performance is unstable, and the patent name is a tennis court patent application number with automatically, pick up the ball device: the patent of CN201811225308.0 discloses a ball picking device, but the device can not be used directly in most tennis courts, and needs to be modified, especially most tennis courts are located outdoors, which makes the maintenance of the device difficult. Therefore, the tennis ball picking device which is convenient to mount, dismount and transport is provided, and the tennis ball picking device has a large market.

Chinese patent No. CN214436322U discloses an automatic tennis ball picking machine, which is convenient to carry but has a low efficiency, and the tennis court is large and the time for completing the work is long.

Disclosure of Invention

In view of the prior art, the invention aims to provide an automatic tennis court ball picking device.

The technical scheme of the invention is realized as follows: an automatic tennis ball picking device for tennis courts comprises a main machine and a roller, wherein a driving device is arranged in the main machine and can drive a bottom roller to rotate and output driving force to the roller, a control circuit is arranged on the main machine and can be controlled by a remote mobile phone, a wireless remote control or a button switch, a battery is arranged in the main machine and provides energy for the driving device, the roller comprises ball rods and ball discs, the ball discs are in a circular shape, the ball rods are arranged on a ball disc circular ring in a circular array to form a tubular structure, the distance between adjacent ball rods is the same and is slightly smaller than the diameter of a tennis ball, so that the tennis ball can pass through the gap between the ball rods after being deformed after being stressed but can not pass through the gap between the ball rods when the tennis ball is not deformed, the roller is fixed on a transmission disc of the main machine in a convenient dismounting manner, the central axis of the roller is parallel to the central axis of the roller, so that the rolling direction of the roller is consistent with the rolling direction of the roller to ensure that the roller rolls stably when the main machine moves, the inner wall of the ball rod is provided with oblique teeth, and the oblique teeth of the ball rods are integrally distributed on the spiral line, so that tennis balls in the roller move towards the direction close to the main machine under the reaction force of the oblique teeth when the roller rotates.

The tennis ball picking device has the advantages that quick ball picking can be achieved only by rolling the tennis ball in the court once, the tennis ball picking device can be used in different courts, can be designed in a modularized mode and is convenient to carry, can be used in different fields, and the tennis balls can be moved to one side by the inclined teeth in the rollers in the idling mode in situ so as to be convenient for tennis ball collection. The device can cooperate the service robot to use when being fit for single practice of ball, also can unite service robot and pick up the ball device as an organic whole, realizes multi-functionally, certainly service robot and pick up the ball and need separately go on not going on simultaneously, pick up the ball and still need the manual installation cylinder, can reduce production cost like this and be fit for using widely.

Further, the thin sheets with the arc-shaped oblique teeth are obliquely arranged on the cue. The design can avoid the damage to the tennis ball to influence the service life of the tennis ball.

Furthermore, the driving device comprises a roller speed reduction motor and a roller speed reduction motor, the roller speed reduction motor can drive the roller to rotate to drive the main machine to move back and forth, and the output end of the roller speed reduction motor is provided with a transmission disc which can be in butt joint with the ball disc of the roller to drive the roller to rotate. Both actions are generally required to be performed simultaneously, but in some cases separate rotation is required, for example, to bring the ball to one side by the roller.

Furthermore, the ball rod comprises a fixed rod and a movable rod, the fixed rod is directly fixed on the ball disc, the movable rod is indirectly fixed on the ball disc through a spring, and the movable rod and the fixed rod are arranged at intervals, so that the pressure on the tennis ball can be reduced, and the damage to the tennis ball can be reduced.

Furthermore, the device is also provided with an auxiliary machine, the main machine and the auxiliary machine are respectively positioned at two sides of the roller and can be in butt joint with the roller, a wireless communication module is arranged between the main machine and the auxiliary machine to realize synchronous driving, the main machine and the auxiliary machine are basically designed in the same way, but the auxiliary machine is not provided with a ball barrel, so that the main machine can synchronously move forwards from side to avoid the main machine from rolling obliquely towards one side.

Further, the cylinder adopts multistage modular design, and two sections different cylinders can be connected together end to realize quick assembly disassembly. Thus, the installation is convenient, the carrying is convenient and the use is convenient.

Furthermore, the spherical disc at one end of the roller is provided with a plurality of spherical protrusions which are matched with the spherical pits at the other end, so that two different rollers are connected together and are not easy to rotate relatively. The connection is thus more stable.

Further, the rollers are provided with permanent magnets so that the different rollers can be attached together by means of magnetic attraction. This facilitates the connection.

Further, the smooth outer surface of the ball pan allows for a low friction force when the ball pan is in contact with the ground or a tennis ball. This design makes it easier to rotate the rollers individually.

Furthermore, a ball barrel is arranged above the main machine, and a lifting mechanism is arranged inside the main machine and can lift the tennis ball into the ball barrel. The design can realize that service robot and ball picking machine merge into a whole or transfer tennis more quickly.

Drawings

FIG. 1 is a schematic perspective view of an automatic ball picking device for a tennis court according to the present invention;

FIG. 2 is a schematic perspective view of an automatic ball picking device for a tennis court in accordance with the present invention;

FIG. 3 is a schematic perspective view of a main unit of an automatic ball picking device for a tennis court according to the present invention;

FIG. 4 is a perspective view of a roller of the automatic ball picking device for tennis court according to the present invention;

FIG. 5 is a schematic cross-sectional view of the interior of a ball tray of the automatic ball picking device of the tennis court in accordance with the present invention;

fig. 6 is a schematic plan view of the automatic tennis ball picking device for the tennis court according to the working state of the invention.

Detailed Description

As required, detailed embodiments of the present invention are disclosed herein, but it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale and certain features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, 2, 4, 5 and 6, an automatic ball picking device for a tennis court comprises a main machine 1 and a roller 2, wherein a driving device is arranged in the main machine 1 and can drive a bottom roller 3 to rotate and output driving force to the roller 2, the main machine 1 can be driven by the prior design, a control circuit is arranged on the main machine 1 and can be controlled by a remote mobile phone, a wireless remote control or a button switch, a battery is arranged in the main machine 1 and provides energy for the driving device, the roller 2 comprises ball rods 4 and ball disks 5, the ball disks 5 are circular, the ball rods 4 are arranged on a circular ring of the ball disks 5 in an array to form a tubular structure, the distance between the adjacent ball rods 4 is the same and is slightly smaller than the diameter of a tennis ball, so that the tennis ball can pass through the gap between the ball rods 4 after being deformed under pressure but can not pass through the gap between the ball rods 4 when the tennis ball is not deformed, the roller 2 is fixed on a transmission disk 7 of the main machine 1 in a convenient dismounting way, the central axis of the roller 2 is parallel to the central axis of the roller 3, so that the rolling direction of the roller 3 is consistent with that of the roller 2, the roller 2 can roll stably when the main machine 1 moves, the oblique teeth 6 are arranged on the inner wall of the ball rod 4, and the oblique teeth 6 of the ball rod 4 are integrally distributed on a spiral line, so that tennis balls in the roller 2 move towards the main machine 1 under the reaction force of the oblique teeth 6 when the roller 2 rotates. The helical teeth 6 are arranged obliquely on the cue 4 in a circular arc shape in a sheet shape. The driving device comprises a roller 3 speed reducing motor and a roller 2 speed reducing motor, the roller 3 speed reducing motor can drive the roller 3 to rotate to drive the main machine 1 to move back and forth, and the output end of the roller 2 speed reducing motor is provided with a transmission disc 7 which can be in butt joint with the ball disc 5 of the roller 2 to drive the roller 2 to rotate. The ball rod 4 comprises a fixed rod 8 and a movable rod 9, the fixed rod 8 is directly fixed on the ball disc 5, the movable rod 9 is indirectly fixed on the ball disc 5 through a spring, and the movable rod 9 and the fixed rod 8 are arranged at intervals. The device is also provided with an auxiliary machine, the main machine 1 and the auxiliary machine 10 are respectively positioned at two sides of the roller 2 and can be in butt joint with the roller 2, a wireless communication module is arranged between the main machine 1 and the auxiliary machine 10 to realize synchronous driving, the main machine 1 and the auxiliary machine 10 are basically designed in the same way, but the auxiliary machine 10 is not provided with a ball barrel 13. The drum 2 is of multi-segment modular design, i.e. two different drums 2 can be connected together end to end. The ball disc 5 at one end of the roller 2 is provided with a plurality of spherical bulges 11 which are matched with the spherical pits 12 at the other end, so that two different rollers 2 are connected together and are not easy to rotate relatively. The rollers 2 are provided with permanent magnets so that the different rollers 2 can be connected together by means of magnetic attraction. The smooth outer surface of the ball pan 5 allows for a low friction force to be generated by the contact of the ball pan 5 with the ground or a tennis ball. A ball barrel 13 is arranged above the main machine 1, a lifting mechanism is arranged in the main machine 1 and can lift the tennis ball into the ball barrel 13, and an inclined surface is arranged in front of the main machine 1 and can push the tennis ball to roll towards the roller 2.

Claims

1. An automatic ball picking device for a tennis court, comprising a main engine (1) and a drum (2), characterized in that: the main engine (1) is internally provided with a driving device that can drive the bottom roller (3) to rotate and can rotate the drum (2) Output driving force, the host (1) is provided with a control circuit that can be controlled by a remote mobile phone, wireless remote control or button switch, the host (1) is internally provided with a battery to provide energy for the driving device, the drum (2) ) comprises a ball bar (4) and a ball disc (5), the ball disc (5) is annular and the ball bars (4) are arranged in a circular array on the ball disc (5) to form a tubular structure, The distance between adjacent clubs (4) is the same and slightly smaller than the diameter of the tennis ball, so that the tennis ball can pass through the gap between the clubs (4) after being deformed under pressure, but cannot pass between the balls (4) when the tennis ball is not deformed. The roller (2) is fixed on the drive plate (7) of the main machine (1) in a convenient way to disassemble, the central axis of the roller (2) is parallel to the central axis of the roller (3) so that the roller (3) rolls The direction is consistent with the rolling direction of the drum (2) to ensure that the drum (2) rolls smoothly when the main machine (1) moves. 6) The whole arrangement is arranged on the helical line so that when the drum (2) rotates, the tennis ball in the drum (2) is moved towards the direction of the main machine (1) by the reaction force of the helical teeth (6).

2 . The automatic ball picking device for a tennis court according to claim 1 , wherein the helical teeth ( 6 ) are arranged obliquely on the club ( 4 ) in an arc-shaped sheet shape. 3 .

3. The tennis court automatic ball picking device according to claim 2, wherein the drive device comprises a roller (3) deceleration motor and a roller (2) deceleration motor, and the roller (3) deceleration motor can drive the roller (3) The main engine (1) is rotated to move back and forth, and the output end of the deceleration motor of the drum (2) is provided with a drive plate (7) which can be connected with the ball plate (5) of the drum (2) to drive the drum (2) to rotate.

4. The tennis court automatic ball picking device according to claim 3, characterized in that: the club (4) comprises a fixed rod (8) and a movable rod (9), and the fixed rod (8) is directly fixed to the On the ball disc (5), the movable rod (9) is indirectly fixed to the ball disc (5) through a spring, and the movable rod (9) and the fixed rod (8) are arranged at intervals.

5. The tennis court automatic ball picking device according to claim 4, characterized in that: the device is further provided with an auxiliary machine (10), and the main machine (1) and the auxiliary machine (10) are respectively located in the drum (2) Both sides can be docked with the drum (2), a wireless communication module is provided between the main machine (1) and the auxiliary machine (10) to realize synchronous driving, and the main machine (1) and the auxiliary machine (10) are basically the same in design but The auxiliary engine (10) is not provided with a ball barrel.

6 . The tennis court automatic ball picking device according to claim 5 , wherein the roller ( 2 ) adopts a multi-segment modular design, that is, two different rollers ( 2 ) can be connected end to end. 7 .

7. The tennis court automatic ball picking device according to claim 6, characterized in that: the ball plate (5) at one end of the drum (2) is provided with a plurality of spherical protrusions (11) and a spherical ball at the other end. The matching of the pits (12) makes it difficult for the two different rollers (2) to rotate relative to each other after they are connected together.

8. The tennis court automatic ball picking device according to claim 7, characterized in that: the roller (2) is provided with a permanent magnet so that different rollers (2) can be connected together by means of magnetic attraction.

9 . The tennis court automatic ball picking device according to claim 8 , wherein the outer surface of the ball plate ( 5 ) is smooth so that the ball plate ( 5 ) contacts the ground or the tennis ball to generate little friction. 10 .

10 . The tennis court automatic ball picking device according to claim 9 , wherein a ball bucket is arranged above the main machine ( 1 ) and a lifting mechanism is arranged inside the main machine ( 1 ) to lift the tennis ball into the ball bucket. 11 .