CN114712824A

CN114712824A - Tennis training device

Info

Publication number: CN114712824A
Application number: CN202111054075.4A
Authority: CN
Inventors: 万大苇; 边挺; 李秀娟; 杨萍
Original assignee: Nanyang Institute of Technology
Current assignee: Nanyang Institute of Technology
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-07-08
Anticipated expiration: 2041-09-08
Also published as: CN114712824B

Abstract

The invention discloses a tennis trainer, which comprises two supports, wherein the two supports are connected to the same end of a tennis training field and are close to two sidelines in a one-to-one correspondence manner, and each support is rotatably connected with a turntable; the two motors are respectively connected with the two turnplates in a one-to-one correspondence manner through transmission mechanisms; the two pitching machines are fixed on the two rotating discs in a one-to-one correspondence manner, the two pitching machines are distributed in an axisymmetric manner, and each motor drives the pitching port on the corresponding pitching machine to rotate between the corresponding sideline and the corresponding diagonal line through the corresponding rotating disc; the two induction type rebound plates are fixed on the two supports in a one-to-one correspondence mode and face one ends, far away from the two supports, of the tennis training field; the controller is respectively and electrically connected with the induction type rebounding plate, the two motors and the two pitching machines, and the controller controls the two motors to move synchronously. The invention discloses a tennis trainer which can enable a player to independently complete ball drawing training that the player runs from one side of a bottom line to the other side of the bottom line during each ball hitting.

Description

Tennis training device

Technical Field

The invention relates to the technical field of tennis training instruments, in particular to a tennis training device.

Background

Tennis ball, one of ball games. Usually between two single players or two pairs of players hitting a tennis ball with a tennis racket across the net on a tennis court with the goal that the opponent is unable to hit the ball back regularly. A large amount of basic training and special exercises aiming at different technologies are needed for playing tennis, and a coach cannot go to the field for accompanying training every time due to the large tennis training amount, so that various tennis trainers appear on the market at present, and telemechanical personnel can finish tennis training by themselves.

However, the existing training device generally uses a support to support an elastic net, a player serves a ball and plays the ball towards the elastic net, the direction of the ball reflected by the elastic net is not always the same, and the training device cannot help the player to complete ball-drawing exercises, namely the player cannot complete 8-shaped training. The 8-shaped training is the basis of tennis training, and aims to force a player to run from one side of a bottom line to the other side every time the player hits a ball, two players are required to play the ball in pair, and a tennis line formed by the two players in rounds forms the 8 shape.

Therefore, how to provide a tennis trainer capable of training a player to practice a ball drawing is a problem that needs to be solved by those skilled in the art.

Disclosure of Invention

In view of this, the invention provides a tennis training device, which enables a player to independently complete 8-shaped training, and enables the player to independently complete ball drawing training in which the player runs from one side of a bottom line to the other side of the bottom line during each ball hitting.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a tennis training ware, cooperation tennis training place, tennis training place has two sidelines, two end lines and two diagonals, its characterized in that includes:

the two supports are connected to the same end of the tennis training field, are close to the two sidelines in a one-to-one correspondence mode, and are rotatably connected with turntables;

the two motors are respectively connected with the two turnplates in a one-to-one correspondence manner through transmission mechanisms;

the two pitching machines are fixed on the two rotating discs in a one-to-one correspondence manner, are distributed in an axisymmetric manner, and simultaneously drive the pitching ports on the corresponding pitching machines to rotate between the corresponding sidelines and the corresponding diagonals through the corresponding rotating discs by the aid of each motor;

the number of the induction type rebound plates is two, the two induction type rebound plates are fixed on the two supports in a one-to-one correspondence mode, and both the induction type rebound plates face one end, far away from the two supports, of the tennis training field;

the controller is respectively and electrically connected with the induction type rebound plate, the motors and the pitching machines, and controls the motors to move synchronously.

Preferably, a bearing mounting hole penetrates through each support, each motor is fixed on the corresponding support, an output shaft of each motor penetrates through the corresponding bearing mounting hole and is rotatably connected with the bearing through a bearing, a gear is fixed on the output shaft of each motor, a circle of gear teeth are arranged on the outer edge of each rotary table, and each gear is meshed with the gear teeth on the corresponding rotary table to form the corresponding transmission mechanism.

Preferably, the induction rebounding panel includes: first response bounce-back board and second response bounce-back board, first response bounce-back board with the second response bounce-back board is connected, just first response bounce-back board is towards corresponding the sideline is kept away from and is corresponded the one end of support, second response bounce-back board is towards corresponding the diagonal is kept away from and is corresponded the one end of support.

Preferably, two of the second induction rebounding panels are connected.

Preferably, one side of each first induction rebound board and one side of each second induction rebound board far away from the tennis training field are both connected with a support frame, and the other end of the support frame is fixed on the ground.

Preferably, the first induction rebounding panel and the second induction rebounding panel have the same structure, and both include: backup pad, first elastic layer, second elastic layer, tarpaulin, silica gel filling layer and a plurality of sensor, the one side of backup pad with correspond the support frame is connected, and the another side is fixed in proper order first elastic layer the silica gel filling layer the second elastic layer with the tarpaulin is simultaneously a plurality of the sensor is spacing in the silica gel filling layer, and a plurality of the sensor all with controller electric connection.

Preferably, target cloth is bonded to one surface, far away from the second elastic layer, of each waterproof cloth, and the sensor corresponding to the target cloth is electrically connected with a counter through the controller.

Preferably, the two supports are detachably connected with the tennis training field, and the support frame is detachably connected with the ground.

Through the technical scheme, compared with the prior art, the invention discloses and provides a transverse welding method and a transverse welding system for an austenitic stainless steel lock bottom structure, and the following technical effects can be realized:

the invention enables the sportsman to finish 8-shaped ball drawing training alone, enables the teleoperator to finish each batting and run from one side of the bottom line to the other side, does not need others to practice, and can adjust the service directions of the two service robots 3 according to the training requirement;

the invention can train the accuracy of playing the ball while training the player to take the ball.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is an overall structure view of a tennis training aid according to the present invention;

FIG. 2 is a view of the configuration of the pitching machine of the present invention mounted on a support;

fig. 3 is a cross-sectional view of a first and second induction rebounding panel of the present invention.

Wherein, 10-is matched with a tennis training field; 101-sideline; 102-terminal line; 103-diagonal; 1-a scaffold; 11-a turntable; 2, a motor; 3-a pitching machine; 4-an induction type rebound board; 21-a gear; 41-a first inductive bounce plate; 42-a second inductive bounce plate; 5-a support frame; 401-a support plate; 402-a first elastic layer; 403-a second elastic layer; 404-waterproof cloth; 405-a silica gel filling layer; 406-a sensor; 400-target cloth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

The embodiment of the invention discloses a tennis training device, which is matched with a tennis training field 10, wherein the tennis training field 10 is provided with two sidelines 101, two end lines 102 and two diagonal lines 103, and is characterized by comprising the following components:

the tennis training court comprises two supports 1, wherein the two supports 1 are connected to the same end of the tennis training court 10 and are close to two sidelines 101 in a one-to-one correspondence manner, and a turntable 11 is rotatably connected to each support 1;

the two motors 2 are respectively connected with the two turntables 11 in a one-to-one correspondence manner through transmission mechanisms;

the two pitching machines 3 are fixed on the two turntables 11 in a one-to-one correspondence manner, the two pitching machines 3 are distributed in an axisymmetric manner, and each motor 2 drives the pitching ports on the corresponding pitching machine 3 to rotate between the corresponding sideline 102 and the corresponding diagonal line 103 through the corresponding turntable 11;

the number of the induction type rebound plates 4 is two, the two induction type rebound plates 4 are fixed on the two supports 1 in a one-to-one correspondence mode, and both the induction type rebound plates face one ends, far away from the two supports 1, of the tennis training field 10;

the controller, the controller is electric connection induction type bounce board 4, two motors 2 and two service robot 3 respectively, and two motors 2 synchronous motion are controlled to the controller.

The invention can make two service robots 3 synchronously rotate to a certain angle under the drive of two motors 2, namely, the paths of the service ports of the two service robots 3 for launching tennis balls are corresponding to two sidelines 101 one by one, and also can be corresponding to two diagonals 103 one by one, therefore, when the paths of the service ports of the two service robots 3 for launching the tennis balls are corresponding to the two sidelines 101 one by one, the players return the balls along the two diagonals 103 one by one, and the balls are correspondingly hit on the corresponding induction type rebound boards 4 one by one, when the paths of the service ports of the two service robots 3 for launching the tennis balls are corresponding to the two diagonals 103 one by one, the players return the balls along the two sidelines 101 one by one, and the balls are correspondingly hit on the corresponding induction type rebound boards 4 one by one, the paths of the balls can form 8 shapes under the two conditions, thereby the players can independently complete the 8-shaped ball drawing training, so that the teleoperator must run from one side of the base line to the other to complete each shot.

In order to further optimize the technical scheme, bearing mounting holes are formed in each support 1 in a penetrating mode, each motor 2 is fixed on the corresponding support 1, an output shaft of each motor 2 penetrates through the corresponding bearing mounting hole and is connected with the bearing in a mounting and rotating mode through the bearing, a gear 21 is fixed on the output shaft of each motor 2, a circle of gear teeth are arranged on the outer edge of each rotary table 11, and each gear 21 is meshed with the gear teeth on the corresponding rotary table 11 to form a corresponding transmission mechanism.

By adopting the technical scheme, the invention has the beneficial effects that: the motor 2 can drive the corresponding rotating disc 11 to rotate through the corresponding gear 21, so that the rotating disc 11 drives the corresponding pitching machine 3 to rotate, the angle of the pitching port on the pitching machine 3 is adjusted according to training requirements, and the pitching route of the pitching machine 3 can be adjusted.

In order to further optimize the technical scheme, each bracket 1 is provided with a turntable mounting hole, the center of each turntable 11 is fixed with a rotating shaft, and each rotating shaft is rotatably connected in the turntable mounting hole through a bearing.

In order to further optimize the technical scheme, the top end of the induction type rebound board 4 is higher than the top end of the corresponding pitching machine 3.

By adopting the technical scheme, the invention has the beneficial effects that: the ball serving machine 3 is prevented from influencing the player to hit the tennis ball on the corresponding induction type rebound board 4, so that the induction type rebound board 4 can normally induce whether the tennis ball hits on the corresponding induction type rebound board 4.

In order to further optimize the above technical solution, the induction type rebound board 4 includes: first response bounce-back 41 and second response bounce-back 42, first response bounce-back 41 and second response bounce-back 42 are connected, and first response bounce-back 41 keeps away from the one end that corresponds support 1 towards corresponding sideline 101, and second response bounce-back 42 keeps away from the one end that corresponds support 1 towards corresponding diagonal 103.

By adopting the technical scheme, the invention has the beneficial effects that: when the routes of the tennis balls launched by the ball serving ports of the two ball serving machines 3 correspond to the two diagonal lines 103 one by one, the players return the balls along the two sidelines 101 one by one, and the balls are hit on the corresponding first sensing rebounding plates 41 one by one, and when the routes of the tennis balls launched by the ball serving ports of the two ball serving machines 3 correspond to the two sidelines 101 one by one, the players return the balls along the two diagonal lines 103 one by one, and the balls are hit on the corresponding second sensing rebounding plates 42 one by one, namely, the first sensing rebounding plates 41 and the second sensing rebounding plates 42 are connected to form a certain angle, so that the sensing rebounding plates 4 can be respectively connected with the balls in different routes.

In order to further optimize the above solution, two second inductive rebounding panels 42 are connected.

By adopting the technical scheme, the invention has the beneficial effects that: the stability of the two inductive rebounding panels 4 is improved so as to resist the force of the player for returning the ball.

In order to further optimize the above technical solution, a support frame 5 is connected to each of the first sensing rebounding plates 41 and each of the second sensing rebounding plates 42 at a side away from the tennis training court 10, and the other end of the support frame 5 is fixed on the ground.

By adopting the technical scheme, the invention has the beneficial effects that: the stability of the two first induction rebound plates 41 and the two second induction rebound plates 42 of the invention can be further improved through the support frame 5, and the problem that the first induction rebound plates 41 and the second induction rebound plates 42 cannot bear the ball returning force of a remote operator and are tilted backwards is avoided, so that the ball returning stability of the first induction rebound plates 41 and the second induction rebound plates 42 is ensured.

In order to further optimize the above technical solution, the first sensing rebounding plate 41 and the second sensing rebounding plate 42 have the same structure, and both include: the supporting plate 401, the first elastic layer 402, the second elastic layer 403, the tarpaulin 404, the silica gel filling layer 405 and the plurality of sensors 406, one side of the supporting plate 401 is connected with the corresponding supporting frame 5, the first elastic layer 402, the silica gel filling layer 405, the second elastic layer 403 and the tarpaulin 404 are fixed in sequence on the other side, the plurality of sensors 406 are limited in the silica gel filling layer 405, and the plurality of sensors 406 are all electrically connected with the controller.

By adopting the technical scheme, the invention has the beneficial effects that: the waterproof cloth 404 forms a protective layer to protect the corresponding first induction rebound board 41 and the second induction rebound board 42, the first elastic layer 402 and the second elastic layer 403 protect the plurality of sensors 406, the sensor 406 is limited by the silica gel filling layer 405 to avoid the position of the sensor 406 from moving, whether tennis balls strike on the corresponding first induction rebound board 41 or the second induction rebound board 42 is sensed by the sensor 406, and accordingly, the sensed information is transmitted to the controller, the controller controls the corresponding pitching of the pitching machine 3, the path of the tennis balls forms a 8 shape in the pitching round between the telemobile and the two pitching machines 3, and the aim that the telemobile runs from one side of the bottom line to the other side of the bottom line when finishing pitching each time is achieved.

Wherein, all seted up a plurality of through wires holes on first elastic layer 402 and the backup pad 401 to can wear the controller respectively electric connection a plurality of sensors 406's wire, and controller electric connection has the battery, provides the electric energy for each with electrical apparatus through the battery.

In order to further optimize the above technical solution, a target cloth 400 is bonded to one surface of each waterproof cloth 404 away from the second elastic layer 403, and a sensor 406 corresponding to the target cloth 400 is electrically connected to a counter through a controller.

By adopting the technical scheme, the invention has the beneficial effects that: the target cloth 400 is used as a ball hitting target of the player, so that the ball hitting accuracy of the player can be trained, the number of times that the player hits the tennis ball on the target cloth 400 is calculated through the counter, the player can obtain the accuracy of each training, and the player can be helped to improve the ball skill in multiple comparison.

In order to further optimize the technical scheme, the two supports 1 are detachably connected with the tennis training field 10, and meanwhile, the support frame 5 is detachably connected with the ground.

By adopting the technical scheme, the invention has the beneficial effects that: the position of the support 1 is convenient to move, so that the positions of the pitching machine 3 and the induction type rebounding plate 4 are adjusted according to different training requirements.

Example 1: the embodiment of the invention discloses a tennis trainer, which has the following working principle:

according to the training requirement, the support 1 is fixed at a proper position of a tennis training field 10, the pitching machine 3, the induction type rebounding plate 4, the support frame 5 and the like are fixed, the controller is operated to enable the controller to control the two motors 2 to move synchronously, so that the two motors 2 drive the corresponding rotary discs 11 to rotate through the two gears 2 in a one-to-one correspondence manner, each rotary disc 11 drives the corresponding pitching machine 3 to rotate, paths of the pitching ports on the two pitching machines 3 for launching tennis balls are in a one-to-one correspondence manner along the two sidelines 101, in the state, the controller controls the first pitching machine 3 to start pitching action, then a remote operator receives the ball and strikes the ball onto the second induction rebounding plate 42 corresponding to the diagonal 103 along the diagonal 103 after receiving the ball, and when the second induction rebounding plate 42 induces the ball, induction information is transmitted to the controller, the controller controls the second service machine 3 to start the service action, the player needs to run from the upper sideline 101 to the sideline 101 at the other side to receive the ball shot by the second service machine 3, then the remote operator receives the ball and hits the ball onto the second sensing rebounding plate 42 corresponding to the diagonal 103 along the diagonal 103 corresponding to the first service machine 3, when the second sensing rebounding plate 42 senses the ball, sensing information is transmitted to the controller, the controller controls the first service machine 3 to start the service action, and the steps are repeated, so that the path of the ball is in a shape of '8' in the process of the ball-shooting turn between the player and the two service machines 3, and the player can independently finish the ball-drawing training that the player runs from one side of the bottom line to the other side of the bottom line each time of ball-shooting.

According to the training requirement, the controller is operated to enable the controller to control the two motors 2 to move synchronously, so that the two motors 2 correspondingly drive the corresponding rotary discs 11 to rotate through the two gears 2 one by one, each rotary disc 11 drives the corresponding service robot 3 to rotate, paths of tennis balls launched from ball service ports on the two service robots 3 correspondingly extend along two diagonal lines 103 one by one, in this state, the controller controls the first service robot 3 to start the service action, then the remote operator receives the ball and then strikes the ball onto the first sensing rebounding plate 41 corresponding to the sideline 101 along the sideline 101 corresponding to the second service robot 3, when the first sensing rebounding plate 41 senses the ball, sensing information is transmitted to the controller, the controller controls the second service robot 3 to start the service action, and then the player needs to run from the upper sideline 101 to the sideline 101 on the other side to receive the ball launched by the second service robot 3, then the remote player hits the ball to the first sensing rebounding plate 41 corresponding to the sideline 101 along the sideline 101 corresponding to the second pitching machine 3 after receiving the ball, when the first sensing rebounding plate 41 senses the ball, sensing information is transmitted to the controller, the controller can control the first pitching machine 3 to start the pitching action, and the operation is repeated, so that in the process of the pitching round between the player and the two pitching machines 3, the path of the ball is 8-shaped, and the player alone can finish the ball drawing training that the player runs from one side of the bottom line to the other side of the bottom line in each hitting.

Example 2:

based on the embodiment 1, each time the player plays a ball on the first sensing rebounding panel 41 or the second sensing rebounding panel 42, the player plays the ball on the corresponding target cloth 400, the sensor 406 corresponding to the target cloth 400 transmits information to the counter through the controller, and the counter counts the number of times the player plays a tennis ball on the target cloth 400, so that the player can obtain the accuracy of each training, and the player can contribute to improving the ball skill in multiple comparisons.

The sensor 406 in the present invention may be a strain gauge, but is not limited to a strain gauge.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tennis training apparatus for use with a tennis training court (10), said tennis training court (10) having two sidelines (101), two end lines (102), and two diagonals (103), comprising:

the tennis training court comprises two supports (1), wherein the two supports (1) are connected to the same end of the tennis training court (10) and are close to the two sidelines (101) in a one-to-one correspondence manner, and each support (1) is rotatably connected with a turntable (11);

the number of the motors (2) is two, and the two motors (2) are respectively connected with the two turntables (11) in a one-to-one correspondence manner through transmission mechanisms;

the two pitching machines (3) are fixed on the two turntables (11) in a one-to-one correspondence manner, the two pitching machines (3) are distributed in an axisymmetric manner, and each motor (2) drives a pitching port on the corresponding pitching machine (3) to rotate between the corresponding sideline (102) and the corresponding diagonal line (103) through the corresponding turntable (11);

the tennis training device comprises two induction type rebounding plates (4), wherein the two induction type rebounding plates (4) are fixed on the two supports (1) in a one-to-one correspondence mode and face one ends, far away from the two supports (1), of the tennis training field (10);

the controller is respectively and electrically connected with the induction type rebound plate (4), the motors (2) and the pitching machines (3), and controls the motors (2) to move synchronously.

2. A tennis training aid as claimed in claim 1, wherein each of said supporting frames (1) is provided with a bearing mounting hole therethrough, each of said motors (2) is fixed to the corresponding supporting frame (1), and an output shaft of each of said motors (2) passes through the corresponding bearing mounting hole and is rotatably connected to the bearing mounting hole through a bearing, and a gear (21) is fixed to the output shaft of each of said motors (2), and the outer edge of each of said turntables (11) is provided with a ring of gear teeth, and each of said gears (21) is engaged with the gear teeth of the corresponding turntable (11) to form the corresponding transmission mechanism.

3. Tennis training device according to claim 1, wherein said inductive kick plate (4) comprises: first response bounce board (41) and second response bounce board (42), first response bounce board (41) with second response bounce board (42) are connected, just first response bounce board (41) are towards corresponding sideline (101) are kept away from the correspondence the one end of support (1), second response bounce board (42) are towards corresponding diagonal (103) are kept away from the correspondence the one end of support (1).

4. The tennis training aid of claim 3, wherein two of said second inductive rebounding panels (42) are connected.

5. A tennis training aid according to claim 3, wherein each of said first and second inductive rebounding panels (41, 42) is connected to a support frame (5) on a side thereof remote from said tennis training court (10), and the other end of said support frame (5) is fixed to the ground.

6. The tennis training aid of claim 5, wherein the first and second inductive rebounding panels (41, 42) are identical in structure and each comprise: support plate (401), first elastic layer (402), second elastic layer (403), tarpaulin (404), silica gel filling layer (405) and a plurality of sensor (406), the one side of support plate (401) with correspond support frame (5) are connected, and the another side is fixed in proper order first elastic layer (402) silica gel filling layer (405) second elastic layer (403) with tarpaulin (404), it is a plurality of simultaneously sensor (406) are spacing in silica gel filling layer (405), and a plurality of sensor (406) all with controller electric connection.

7. The tennis trainer as claimed in claim 6, wherein a target cloth (400) is adhered to one side of each waterproof cloth (404) far away from the second elastic layer (403), and the sensor (406) corresponding to the target cloth (400) is electrically connected with a counter through the controller.

8. A tennis training aid according to claim 5, wherein both said stands (1) are removably attached to said tennis training court (10) and said support stand (5) is removably attached to said ground.