CN114681887A - Tennis ball serving machine - Google Patents
Tennis ball serving machine Download PDFInfo
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- CN114681887A CN114681887A CN202210218683.2A CN202210218683A CN114681887A CN 114681887 A CN114681887 A CN 114681887A CN 202210218683 A CN202210218683 A CN 202210218683A CN 114681887 A CN114681887 A CN 114681887A
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- ball
- pipe
- adjusting device
- launching
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/38—Training appliances or apparatus for special sports for tennis
- A63B69/385—Training appliances or apparatus for special sports for tennis for practising the serve
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B69/409—Stationarily-arranged devices for projecting balls or other bodies with pneumatic ball- or body-propelling means
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B2069/402—Stationarily-arranged devices for projecting balls or other bodies giving spin
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Pinball Game Machines (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a tennis ball pitching machine, which belongs to the technical field of tennis training equipment structures and comprises a ball hopper, a ball feeding pipe, a launching pipe, a pitching angle adjusting device and a protective cover, and is characterized in that a hopper cover with a lock catch is arranged above the ball hopper; the ball hopper is communicated with the launching tube through a ball feeding tube; the double-end pipe of the launching pipe is respectively provided with a flat ball launching pipe and a rotary ball launching pipe; a rotary ball adjusting device is arranged on the rotary ball launching tube; a pitch angle adjusting device is arranged outside the shell and is arranged inside the protective cover; a horizontal angle adjusting device, a height adjusting device and a walking supporting base are sequentially arranged below the protective cover. Compared with the prior art, the tennis ball serving machine can simulate various tennis ball serving modes and different types of rotary balls, solves the problem that the existing tennis ball serving machine cannot simulate tennis ball serving to assist a player in carrying out ball receiving and serving training, and meets the requirements of various serving balls for tennis training.
Description
Technical Field
The invention relates to the technical field of tennis training equipment structures, in particular to a tennis pitching machine.
Background
Tennis serve is basically divided into three categories: flat hitting, cut and top spin. The flat-hit service is the service method with the fastest ball speed in various services, and is also called as shell service. The serve ball is not only fast but also low in rebound. Especially, the player with high stature can directly attack the other player by virtue of the air advantage of high-point hitting; the cutting serve is a serve method mainly based on right-side rotation (slightly with downward rotation); the top spin serving is a serving method with top spin as the main part and side spin as the auxiliary part.
In the tennis teaching training of colleges and universities, a tennis service robot is usually adopted to cooperate with students to carry out tennis training, but the existing tennis service robot has the defect of low service height, and cannot simulate the explosive force of flat shot service;
in addition, the main current tennis serving machine mainly utilizes the principle of contra-rotating double wheels to send out the spin-up and spin-down balls, and has the defect that the lateral spin and the left-right spin cannot be sent out, so that the cutting serving and the spin-up serving cannot be simulated to assist the player in carrying out the service training.
Disclosure of Invention
The invention aims to provide a tennis ball serving machine, which solves the problem that the existing tennis ball serving machine cannot simulate tennis ball serving to assist a player in carrying out ball receiving and serving training.
The invention provides a tennis ball serving machine, which comprises a ball hopper, a ball feeding pipe, a launching pipe, an air compressor, a ball rotating adjusting device, a shell, a pitching angle adjusting device, a protective cover, a horizontal angle adjusting device, a height adjusting device and a walking support base, and is characterized in that a hopper cover with a lock catch is arranged above the ball hopper; the ball hopper is communicated with the launching tube through a ball feeding tube; the ball feeding pipe is provided with a first electric valve;
the launching tube is of a herringbone structure, and a single-end tube orifice of the launching tube is connected with the air compressor through a high-pressure nozzle through a pipeline; the single-end pipe of the launching pipe takes the position connected with the ball sending pipe as a boundary, a limiting step is processed at one side close to the air compressor, and a pipeline at one side far away from the air compressor is processed into an hourglass-shaped pipeline;
the double-end pipe of the launching pipe is respectively provided with a flat ball launching pipe and a rotary ball launching pipe; a second electric valve is arranged at the joint of the flat ball launching tube and the single-head tube of the launching tube; the rotary ball launching tube is provided with a third electric valve at the joint of the rotary ball launching tube and the single-head tube of the launching tube, and a rotary ball adjusting device is arranged on the rotary ball launching tube;
the rotary ball adjusting device comprises a rotary sleeve, an extension and retraction elastic device, a supporting plate, a roller, a driving gear, a first transmission shaft and a stepping motor; the rotary sleeve is rotatably arranged at the outer circle of the pipe orifice of the rotary ball launching pipe; the retractable elastic device is arranged at the outer circle of the rotating sleeve close to the nozzle of the spin ball launching tube; the supporting plate is rotatably arranged on one side of the opening of the rotary sleeve, the supporting plate is positioned on one side of the pipe opening of the rotary ball launching pipe, and one side of the supporting plate abuts against the telescopic head of the telescopic elastic device; the bottom of the supporting plate is rotatably provided with a roller which is an arc-shaped column and is positioned on one side of a passage opening of the spin ball launching tube; gear teeth are machined on the outer circle of one side, away from the pipe orifice of the rotary ball launching pipe, of the rotary sleeve, and a driving gear is meshed with the outer side of the rotary sleeve through the gear teeth; the driving gear is arranged at one end of the first transmission shaft, and one end of the first transmission shaft, which is far away from the driving gear, is mechanically connected with a stepping motor;
the ball hopper, the ball feeding pipe, the launching pipe, the air compressor, the rotary ball adjusting device, the first electric valve, the second electric valve and the third electric valve are all erected inside the shell; the upper end of the ball hopper extends out of the shell; the shell is provided with a first ball-emitting opening at the position corresponding to the pipe orifice of the flat ball-emitting pipe; the shell is provided with a second service port at the position corresponding to the nozzle of the spin ball launching tube;
a pitch angle adjusting device is arranged outside the shell and is arranged inside the protective cover; a horizontal angle adjusting device, a height adjusting device and a walking supporting base are sequentially arranged below the protective cover.
Further, the method also comprises the following steps: and the control device is electrically connected with the first electric valve, the second electric valve, the third electric valve, the stepping motor, the pitching angle adjusting device, the horizontal angle adjusting device, the height adjusting device and the walking support base respectively and can control the first electric valve, the second electric valve, the third electric valve, the stepping motor, the pitching angle adjusting device, the horizontal angle adjusting device, the height adjusting device and the walking support base respectively.
Further, the pitching angle adjusting device comprises a second transmission shaft, a third transmission shaft and a double-head motor; the second transmission shafts are symmetrically arranged on two sides of the shell, and one end, far away from the shell, of each second transmission shaft is rotatably arranged in the corresponding protective cover; a third transmission shaft is rotatably arranged below the second transmission shaft in the protective cover, and a double-head motor is mechanically connected between the third transmission shafts; a chain transmission is arranged between the second transmission shaft and the third transmission shaft; the control device is electrically connected with the double-end motor.
Further, the horizontal angle adjusting device is an electric rotating table.
Further, the height adjusting device is an electric lifting platform.
Furthermore, the walking support base is a crawler-type base.
The tennis ball serving machine provided by the invention is designed with double ball serving channels, wherein the flat ball launching tube is specially used for simulating and sending out a flat shot; the spin ball launching tube is specially used for simulating the launching of spin balls by adding a spin ball adjusting device; the rotary ball adjusting device is characterized in that a roller capable of being rotationally adjusted by 360 degrees is additionally arranged at the nozzle of the rotary ball launching tube, when a tennis ball is launched from the nozzle of the rotary ball launching tube, the tennis ball is impacted by the roller and is additionally provided with a rotary moment in the angle direction of the roller, so that the launched tennis ball is changed from a flat shot into a rotary ball, and the function of launching the rotary ball at any angle by the tennis ball serving machine is realized;
the invention is also provided with a pitching angle adjusting device, a horizontal angle adjusting device and a height adjusting device, the pitching angle, the horizontal angle and the height of the launching tube can be adjusted by the cooperation of the three devices, the launching of the balls in different directions and heights and the launching of the balls can be realized, and the requirement of high-point launching is also met. The crawler-type base is adopted, so that the crawler-type base has excellent bearing capacity and stable buffering capacity, can move integrally and realizes serve at different positions;
in conclusion, the tennis ball serving machine effectively solves the problem that the existing tennis ball serving machine cannot simulate tennis ball serving to assist players in carrying out ball receiving and serving training, and simultaneously has the requirement of meeting various serving balls of tennis training.
Drawings
The accompanying drawings disclose, in part, specific embodiments of the present invention, wherein,
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a schematic structural diagram of an A pitch angle adjusting device of the present invention, which is drawn from FIG. 1;
FIG. 5 is a schematic view of the internal structure B of the present invention, which is derived from FIG. 4;
FIG. 6 is an enlarged view of a portion C of the present invention taken from FIG. 5;
FIG. 7 is a schematic view of the launch tube configuration of the present invention;
FIG. 8 is a schematic view of the roller of the present invention in an un-impacted configuration;
fig. 9 is a schematic view of the structure of the roller of the present invention after being impacted.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, unless otherwise specified, the terms "first", "second", "third", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The invention provides a tennis ball pitching machine, which comprises a ball hopper 1, a ball feeding pipe 2, a launching pipe 3, an air compressor 4, a ball rotating adjusting device 5, a shell 9, a pitching angle adjusting device, a protective cover 11, a horizontal angle adjusting device 14, a height adjusting device 15, a walking support base 16 and a control device, wherein the ball feeding pipe 2 is connected with the launching pipe 3 through a pipeline; a bucket cover with a lock catch is arranged above the ball bucket 1; the ball hopper 1 is communicated with the launching tube 3 through a ball feeding tube 2; the ball feeding pipe 2 is provided with a first electric valve 6.
The launching tube 3 is in a herringbone structure, and a single-head tube orifice of the launching tube 3 is connected with the air compressor 4 through a high-pressure nozzle and a pipeline; as shown in fig. 7, the single-end tube of the launching tube 3 is defined by the position connected with the ball feeding tube 2, a limiting step 301 is processed on the side close to the air compressor 4, and the pipeline on the side far away from the air compressor 4 is processed into an hourglass-shaped pipeline, and the limiting step 301 is matched with the design of the hourglass-shaped pipeline to limit the tennis ball entering the launching tube 3, so that the tennis ball is prevented from falling off from the launching tube 3 when the angle of the tennis ball serving machine is adjusted.
The double-end pipe of the launching pipe 3 is respectively provided with a flat ball launching pipe 31 and a rotary ball launching pipe 32; the flat ball launching tube 31 is provided with a second electric valve 7 at the joint of the single-end tube of the launching tube 3; the third electric valve 8 is arranged at the joint of the spin ball launching tube 32 and the single-head tube of the launching tube 3, and the spin ball adjusting device 5 is arranged on the spin ball launching tube 32;
the rotary ball adjusting device 5 comprises a rotary sleeve 51, a telescopic rebounder 52, a support plate 53, a roller 54, a driving gear 55, a first transmission shaft 56 and a stepping motor 57; as shown in fig. 6, the rotary sleeve 51 is rotatably disposed at the outer circumference of the nozzle of the spin ball launching tube 32; the retractable elastic device 52 is arranged at the outer circle of the rotating sleeve 51 close to the nozzle of the rotary ball launching tube 32; the supporting plate 53 is rotatably arranged on one side of the sleeve opening of the rotating sleeve 51, the supporting plate 53 is positioned on one side of the pipe opening of the rotary ball launching pipe 32, and one side of the supporting plate 53 abuts against the telescopic head of the telescopic ejector 52; the bottom of the supporting plate 53 is rotatably provided with a roller 54, the roller 54 is an arc-shaped column, and the roller 54 is positioned at one side of the passage opening of the spin ball launching tube 32; when the tennis ball is launched from the opening of the spin launching tube 32, the roller 54 is violently impacted to drive the support plate 53 to rotate together, the support plate 53 rotates to press the telescopic rebounder 52, and when the support plate 53 presses the stroke end of the telescopic rebounder 52, the roller 54 impacts the channel far away from the spin launching tube 32, so that the motion track of the tennis ball is not influenced; after the tennis ball is launched, the supporting plate 53 is elastically driven by the elastic rebounder 52 to drive the roller 54 to reset for the next serve.
As shown in fig. 5 and 6, gear teeth are formed on the outer circumference of the rotary sleeve 51 on the side away from the nozzle of the rotary ball launching tube 32, and a driving gear 55 is engaged with the outer side of the rotary sleeve 51 through the gear teeth; the driving gear 55 is arranged at one end of a first transmission shaft 56, and one end of the first transmission shaft 56 far away from the driving gear 55 is mechanically connected with a stepping motor 57; the stepping motor 57 drives the first transmission shaft 56 to rotate, the first transmission shaft 56 is meshed and driven by the driving gear 55 to drive the rotating sleeve 51 to rotate, the rotating sleeve 51 further drives the roller 54 to rotate for 360 degrees, and the tennis ball is shot by the mouth of the spin ball launching tube 32, then strikes the roller 54 and is added with a rotating moment in the angle direction of the roller 54 of the tennis ball, so that the shot tennis ball is changed from a flat shot to a spin ball, and therefore the invention can realize the spin ball in any angle direction.
The ball hopper 1, the ball feeding pipe 2, the launching pipe 3, the air compressor 4, the rotary ball adjusting device 5, the first electric valve 6, the second electric valve 7 and the third electric valve 8 are all erected inside the shell 9; the upper end of the ball hopper 1 extends out of the shell 9; the shell 9 is provided with a first ball-emitting opening 91 at the position corresponding to the pipe orifice of the flat ball-emitting pipe 31; the casing 9 is provided with a second ball-launching port 92 at a position corresponding to the nozzle of the ball-launching tube 32.
The pitching angle adjusting device comprises a second transmission shaft 10, a third transmission shaft 12 and a double-head motor 13; the second transmission shafts 10 are symmetrically arranged on two sides of the shell 9, and one ends of the second transmission shafts 10 far away from the shell 9 are rotatably arranged in the protective covers 11; a third transmission shaft 12 is rotatably arranged below the second transmission shaft 10 in the protective cover 11, and a double-head motor 13 is mechanically connected between the third transmission shafts 12; a chain transmission is arranged between the second transmission shaft 10 and the third transmission shaft 12; the protection cover 11 protects the pitch angle adjusting device.
A horizontal angle adjusting device 14 is fixedly connected below the protective cover 11, and the horizontal angle adjusting device 14 is preferably an electric rotating table;
a height adjusting device 15 is fixedly connected below the horizontal angle adjusting device 14, and the height adjusting device 15 is preferably an electric lifting platform;
a walking support base 16 is fixedly connected to the lower portion of the height adjusting device 15, and the walking support base 16 is preferably a crawler-type base and has excellent pressure bearing capacity and stable buffering capacity.
Control device respectively with first electric valve 6, second electric valve 7, third electric valve 8, step motor 57, double-end motor 13, horizontal angle adjusting device 14, height adjusting device 15 and walking support base 16 electrical connection, through setting up the switch that this control device can control three electric valve, two motors, horizontal angle adjusting device 14 and height adjusting device 15 rotation angle and the walking support base 16 open and stop the removal, and then can realize automatic control's order or send out different kinds of service balls and various rotations at random, speed, the random ball of the different combinations of dynamics and placement.
Those of ordinary skill in the art will understand that: all or part of the process for realizing the control of the control device can be implemented by a program instructing related hardware, the program can be stored in a computer readable storage medium, and the program can comprise the processes of the embodiments of the methods when executed. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
In a specific embodiment, the tennis ball serving machine of the present invention can implement serving in the following manner:
(1) serving balls: the tennis ball put into the ball hopper 1 enters the launching tube 3 through the ball feeding tube 2; if a flat ball is selected to be sent, the first electric valve 6 is controlled to close a communication channel between the ball feeding pipe 2 and the launching pipe 3, the second electric valve 7 is controlled to open a channel of a flat ball launching pipe 31, the third electric valve 8 is controlled to close a channel of a rotary ball launching pipe 32, and finally the air compressor 4 is controlled to spray high-pressure air to the tennis ball by using a high-pressure nozzle, so that the tennis ball is sent out through the flat ball launching pipe 31; if the spin is selected to be sent out, the first electric valve 6 is controlled to close a communication channel between the ball feeding pipe 2 and the launching pipe 3, the second electric valve 7 is controlled to close a channel of the flat ball launching pipe 31, the third electric valve 8 is controlled to open a channel of the spin launching pipe 32, the air compressor 4 is controlled to spray high-pressure air to the tennis ball by using a high-pressure nozzle, the tennis ball is sent out through the spin launching pipe 32, and when the tennis ball is sent out from the nozzle of the spin launching pipe 32, the rotating moment in the angle direction of the tennis ball roller 54 is added by impacting the roller 54, so that the launched tennis ball is converted into the spin from the flat shot; the output air pressure of the air compressor 4 is controlled to be high or low, so that the ball serving force and speed can be adjusted; when the volleyball is sent out, the first transmission shaft 56 is driven to rotate by controlling the stepping motor 57, the rotary sleeve 51 is driven to rotate through meshing transmission of the driving gear 55, the rotary sleeve 51 further drives the roller 54 to rotate for 360 degrees, the volleyball in different rotating directions can be simulated and sent out, and the sportsman can be assisted to take-up training.
(2) Pitching angle adjustment: the double-end motor 13 controls the third transmission shaft 12 to rotate, the third transmission shaft 12 drives the second transmission shaft 10 to rotate through chain transmission, and the second transmission shaft 10 drives the shell 9 and internal parts of the shell 9 to rotate, so that the pitching angle adjustment of the launching tube 3 is realized.
(3) Adjusting the serving horizontal angle: the horizontal angle adjusting device 14 is controlled to rotate around the vertical axis to drive the transmitting tube 3 to realize 360-degree rotation adjustment, and the requirement of transmitting different drop points can be met.
(4) Adjusting the service height: control height adjustment device 15 goes up and down, drives launching tube 3 and carries out height control, can realize the high point service, and cooperation air compressor 4 simulates the flat shot service, and supplementary sportsman carries out the training of receiving the service.
(5) Adjusting the serve position: the walking support base 16 is controlled to realize the integral movement on the court and simulate the serve at different positions of the court.
(6) The three electric valves, the air pressure of the air compressor 4, the stepping motor 57, the double-head motor 13, the horizontal angle adjusting device 14, the height adjusting device 15 and the walking supporting base 16 are controlled by a program preset in the control device, so that various random balls with different combinations of rotation, speed, force, falling point and serving position can be sent out automatically and sequentially or randomly.
The tennis ball serving machine disclosed by the invention not only can control different positions, heights and drop points of tennis ball serving, but also can simulate various tennis ball serving modes and different types of spin, so that the problem that the existing tennis ball serving machine cannot simulate tennis ball serving to assist a player in carrying out ball receiving training is solved, and the requirements of various serving balls in tennis training are met.
Claims (6)
1. A tennis ball serving machine comprises a ball hopper (1), a ball feeding pipe (2), a launching pipe (3), an air compressor (4), a ball rotating adjusting device (5), a shell (9), a pitching angle adjusting device, a protective cover (11), a horizontal angle adjusting device (14), a height adjusting device (15) and a walking support base (16), and is characterized in that a hopper cover with a lock catch is arranged above the ball hopper (1); the ball hopper (1) is communicated with the launching tube (3) through a ball feeding tube (2); a first electric valve (6) is arranged on the ball feeding pipe (2);
the launching tube (3) is of a herringbone structure, and a single-end tube orifice of the launching tube (3) is connected with the air compressor (4) through a high-pressure nozzle via a pipeline; the single-end pipe of the launching pipe (3) takes the position connected with the ball sending pipe (2) as a boundary, one side close to the air compressor (4) is processed with a limiting step (301), and the pipeline at the side far away from the air compressor (4) is processed into an hourglass-shaped pipeline;
the double-end pipe of the launching pipe (3) is respectively provided with a flat ball launching pipe (31) and a rotary ball launching pipe (32); a second electric valve (7) is arranged at the joint of the single-end pipe of the flat ball launching pipe (31) and the launching pipe (3); a third electric valve (8) is arranged at the joint of the rotary ball launching tube (32) and the single-head tube of the launching tube (3), and a rotary ball adjusting device (5) is arranged on the rotary ball launching tube (32);
the rotary ball adjusting device (5) comprises a rotary sleeve (51), a telescopic rebounder (52), a supporting plate (53), a roller (54), a driving gear (55), a first transmission shaft (56) and a stepping motor (57); the rotary sleeve (51) is rotatably arranged at the outer circle of the pipe orifice of the rotary ball launching pipe (32); the retractable bullet device (52) is arranged at the outer circle of the rotating sleeve (51) close to the nozzle of the rotary ball launching tube (32); the supporting plate (53) is rotatably arranged on one side of the sleeve opening of the rotary sleeve (51), the supporting plate (53) is positioned on one side of the pipe opening of the rotary ball launching pipe (32), and one side of the supporting plate (53) abuts against the telescopic head of the telescopic elastic device (52); the bottom of the supporting plate (53) is rotatably provided with a roller (54), the roller (54) is an arc-shaped column, and the roller (54) is positioned on one side of a passage opening of the spin ball launching tube (32); gear teeth are machined on the outer circle of one side, away from the nozzle of the rotary ball launching tube (32), of the rotary sleeve (51), and a driving gear (55) is meshed with the outer side of the rotary sleeve (51) through the gear teeth; the driving gear (55) is arranged at one end of the first transmission shaft (56), and one end, far away from the driving gear (55), of the first transmission shaft (56) is mechanically connected with a stepping motor (57);
the ball hopper (1), the ball feeding pipe (2), the launching pipe (3), the air compressor (4), the ball rotating adjusting device (5), the first electric valve (6), the second electric valve (7) and the third electric valve (8) are all erected inside the shell (9); the upper end of the ball hopper (1) extends out of the shell (9); a first ball-emitting opening (91) is formed in the position, corresponding to the pipe orifice of the flat ball-emitting pipe (31), of the shell (9); a second ball serving port (92) is formed in the position, corresponding to the pipe orifice of the rotary ball launching pipe (32), of the shell (9);
a pitch angle adjusting device is arranged outside the shell (9) and is arranged inside the protective cover (11); a horizontal angle adjusting device (14), a height adjusting device (15) and a walking supporting base (16) are sequentially arranged below the protective cover (11).
2. The tennis ball serving machine of claim 1, further comprising: the control device is electrically connected with the first electric valve (6), the second electric valve (7), the third electric valve (8), the stepping motor (57), the pitch angle adjusting device, the horizontal angle adjusting device (14), the height adjusting device (15) and the walking support base (16) respectively, and can control the first electric valve (6), the second electric valve (7), the third electric valve (8), the stepping motor (57), the pitch angle adjusting device, the horizontal angle adjusting device (14), the height adjusting device (15) and the walking support base (16) respectively.
3. Tennis pitching machine according to claim 2, wherein said pitch angle adjustment means comprise a second transmission shaft (10), a third transmission shaft (12) and a double-headed motor (13); the second transmission shafts (10) are symmetrically arranged on two sides of the shell (9), and one end, far away from the shell (9), of each second transmission shaft (10) is rotatably arranged inside the corresponding protective cover (11); a third transmission shaft (12) is rotatably arranged below the second transmission shaft (10) in the protective cover (11), and a double-head motor (13) is mechanically connected between the third transmission shafts (12); a chain transmission is arranged between the second transmission shaft (10) and the third transmission shaft (12); the control device is electrically connected with the double-head motor (13).
4. Tennis pitching machine according to claim 1, wherein said horizontal angle adjustment means (14) is an electric rotating table.
5. Tennis pitching machine according to claim 1, wherein said height adjustment means (15) is an electric lifting platform.
6. Tennis pitching machine according to claim 1, wherein said walking support base (16) is a crawler-type base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210218683.2A CN114681887B (en) | 2022-03-08 | 2022-03-08 | Tennis ball serving machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210218683.2A CN114681887B (en) | 2022-03-08 | 2022-03-08 | Tennis ball serving machine |
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| CN114681887A true CN114681887A (en) | 2022-07-01 |
| CN114681887B CN114681887B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210218683.2A Active CN114681887B (en) | 2022-03-08 | 2022-03-08 | Tennis ball serving machine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200906465A (en) * | 2007-08-07 | 2009-02-16 | Nat Univ Chin Yi Technology | Ball-serving device for baseball and softball |
| CN204582495U (en) * | 2015-05-08 | 2015-08-26 | 吴义铭 | A kind of tennis training and gathering-device |
| US20150328524A1 (en) * | 2014-04-17 | 2015-11-19 | Marc Backowski | Multi sport ball rolling, levitating, tosssing and throwing system |
| CN106474713A (en) * | 2016-11-22 | 2017-03-08 | 华南理工大学 | A kind of with wheat wheel as ballistic path direction track controlled emitters of the chassis with rotary head |
| CN208660286U (en) * | 2018-08-29 | 2019-03-29 | 山东科技大学 | A kind of service robot for tennis training |
| CN110559634A (en) * | 2019-09-26 | 2019-12-13 | 陈祖松 | Auxiliary device for tennis serving training with double-purpose adjusting function |
| CN111840957A (en) * | 2020-08-04 | 2020-10-30 | 河南应用技术职业学院 | Continuous-service table tennis service device |
| CN215691541U (en) * | 2021-09-30 | 2022-02-01 | 陈衍 | Ball serving equipment for sports tennis training |
-
2022
- 2022-03-08 CN CN202210218683.2A patent/CN114681887B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200906465A (en) * | 2007-08-07 | 2009-02-16 | Nat Univ Chin Yi Technology | Ball-serving device for baseball and softball |
| US20150328524A1 (en) * | 2014-04-17 | 2015-11-19 | Marc Backowski | Multi sport ball rolling, levitating, tosssing and throwing system |
| CN204582495U (en) * | 2015-05-08 | 2015-08-26 | 吴义铭 | A kind of tennis training and gathering-device |
| CN106474713A (en) * | 2016-11-22 | 2017-03-08 | 华南理工大学 | A kind of with wheat wheel as ballistic path direction track controlled emitters of the chassis with rotary head |
| CN208660286U (en) * | 2018-08-29 | 2019-03-29 | 山东科技大学 | A kind of service robot for tennis training |
| CN110559634A (en) * | 2019-09-26 | 2019-12-13 | 陈祖松 | Auxiliary device for tennis serving training with double-purpose adjusting function |
| CN111840957A (en) * | 2020-08-04 | 2020-10-30 | 河南应用技术职业学院 | Continuous-service table tennis service device |
| CN215691541U (en) * | 2021-09-30 | 2022-02-01 | 陈衍 | Ball serving equipment for sports tennis training |
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| Publication number | Publication date |
|---|---|
| CN114681887B (en) | 2023-02-28 |
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