CN110280005B

CN110280005B - Tennis ball dispenser for physical education training

Info

Publication number: CN110280005B
Application number: CN201910540207.0A
Authority: CN
Inventors: 冯建强
Original assignee: Xian University of Technology
Current assignee: Xian University of Technology
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2021-06-29
Anticipated expiration: 2039-06-10
Also published as: CN110280005A

Abstract

The invention relates to a tennis ball serving device for physical education training, and relates to the technical field of physical training devices, wherein a base is fixedly arranged on the ground, a sliding rail is fixedly arranged on the base, a sliding block is arranged on the sliding rail in a sliding manner, a first rotating shaft is rotatably arranged on the base through a bearing, a first chain wheel is fixedly sleeved on the first rotating shaft, a second chain wheel is rotatably arranged on the base through a bearing, a first chain is fixedly arranged on the left side wall of the sliding block, a first motor is fixedly arranged on the base, and an output shaft of the first motor is fixedly connected with the first rotating shaft; a mounting seat is fixedly arranged on the sliding block, a second rotating shaft is arranged on the mounting seat in a rotating mode through a bearing, a rotating table is fixedly arranged on the second rotating shaft, and a ball dispenser is fixedly arranged on the rotating table; the ball dispenser is fixed on a sliding block which is arranged on a sliding rail in a sliding mode, the sliding block is driven to move through a motor and a chain, the position of the ball dispenser can be changed, and a complex actual combat environment is simulated.

Description

Tennis ball dispenser for physical education training

Technical Field

The invention relates to the technical field of sports training devices, in particular to a tennis ball serving device for sports education training.

Background

In the skill training of the tennis for a single person, a ball dispenser is used for launching the tennis and assisting a trainer to carry out training such as catching the tennis.

In order to enable training to be closer to the actual situation, the existing tennis ball serving device can change the serving direction, but the serving device is fixed, so that the serving position is fixed, the situation that the position of an opponent is changed in an actual combat cannot be simulated, and improvement is needed.

Disclosure of Invention

The invention aims to provide a tennis ball dispenser for physical education training, which is reasonable in design and convenient to use, aiming at the defects and shortcomings of the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the automatic ball pitching machine comprises a base, a slide rail, a slide block, a mounting seat, a rotary table and a ball pitching machine, wherein the base is fixedly arranged on the ground, the slide rail is fixedly arranged on the base, the slide rail is slidably provided with the slide block, a first rotating shaft is rotatably arranged on a bearing on the base and is arranged at the right side of the slide rail, a first chain wheel is fixedly sleeved on the first rotating shaft and is arranged at the right side of the slide rail, a second chain wheel is rotatably arranged on the bearing on the base and is arranged at the left side of the slide rail, a first chain is fixedly arranged on the left side wall of the slide block, the movable end of the first chain sequentially bypasses the second chain wheel and the first chain wheel clockwise and is fixedly arranged on the right side wall of the slide block, a first motor is fixedly arranged on the base, and the output shaft of the first motor is fixedly connected; the fixed mount pad that is provided with on the slider, the bearing is equipped with the axis of rotation No. two soon on the mount pad, the fixed revolving stage that is provided with in No. two axis of rotation, the fixed ball dispenser that is provided with on the revolving stage, the fixed motor that is provided with on the mount pad, No. two motors set up the rear side at the revolving stage, the fixed axis of rotation No. three that is provided with on the output shaft of No. two motors, the fixed sprocket that is provided with in No. two axis of rotation, the fixed sprocket that is provided with in No. three axis of rotation, No. three sprockets is connected through No. two chain drive.

Further, the base on fixed be provided with the switch, a switch setting is in the right-hand member front side of slide rail, and a switch setting is in the right side of slider, the fixed switch that is provided with on the base, No. two switches setting is in the left end front side of slide rail, and No. two switches setting is in the left side of slider, a switch, No. two switches in proper order and the power cord series connection setting of a motor.

Further, the mount pad on the fixed backplate that is provided with, the backplate cover is established in the outside of No. three sprockets, and the activity of the side of going up of backplate is supported and is established on the lower surface of revolving stage, No. two chains activities are worn to establish on the backplate.

Furthermore, the side wall of the sliding block is fixedly provided with a hairbrush, the hairbrush is arranged on the sliding rail in a sliding mode, and the lower side edge of the hairbrush is movably abutted to the base.

Further, the mount pad on the fixed support that is provided with, and the support erects in the top of No. two motors, the bearing is equipped with the axis of rotation No. four soon on the support, the fixed spur gear that is provided with in the axis of rotation No. four, the cover is established and is fixed with the terminal gear in the axis of rotation No. three, a spur gear and terminal gear meshing setting, the fixed directional mark that is provided with in end of No. four axis of rotation.

Further, the support on fixedly be provided with the curtain board, the curtain board cover is established in No. four axis of rotation, and the curtain board clamp is established between No. two spur gears and beacon.

The working principle of the invention is as follows: carry out the transmission of tennis through the service robot on the revolving stage, when needs are adjusted the transmission direction, drive No. three axis of rotation through No. two motors and rotate, and then through No. three sprockets, No. four sprockets, No. two axes of rotation that No. two chains drove fixed revolving stage rotate, finally drive the revolving stage and rotate, adjust the launch angle of service robot on it, when needs remove the service robot position, the position that the accessible removed the slider realizes removing the service robot, at this moment, start a motor, drive a sprocket through a motor and rotate, and then drive a chain and rotate, slide on the slide rail through a chain pulling slider, change position.

After adopting the structure, the invention has the beneficial effects that: according to the tennis ball dispenser for physical education training, the ball dispenser is fixed on the sliding block which is arranged on the sliding rail in a sliding mode, the sliding block is driven to move through the motor and the chain, the position of the ball dispenser can be changed, and a complex actual combat environment is simulated.

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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a left side view of fig. 1.

FIG. 3 is a schematic view of the structure of the protector plate of the present invention.

Description of reference numerals:

base 1, slide rail 2, slider 3, a axis of rotation 4, a sprocket 5, No. two sprockets 6, a chain 7, a motor 8, mount pad 9, No. two axis of rotation 10, revolving stage 11, service robot 12, No. two motors 13, No. three axis of rotation 14, No. three sprockets 15, No. four sprockets 16, No. two chains 17, a switch 18, No. two switches 19, backplate 20, support 21, No. four axis of rotation 22, a straight-teeth gear 23, terminal surface gear 24, direction mark 25, curtain board 26, brush 27.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-3, the present embodiment comprises a base 1, a slide rail 2, a slide block 3, a mounting seat 9, a rotary table 11, and a ball dispenser 12, wherein the base 1 is riveted and fixed on the ground, the slide rail 2 is welded on the base 1, the slide rail 2 is slidably provided with the slide block 3, the base 1 is rotatably provided with a first rotating shaft 4 on a bearing, the first rotating shaft 4 is arranged at the right side of the slide rail 2, the first rotating shaft 4 is sleeved and welded with a first chain wheel 5, the first chain wheel 5 is arranged at the right side of the slide rail 2, the base 1 is rotatably provided with a second chain wheel 6 on a bearing, the second chain wheel 6 is arranged at the left side of the slide rail 2, the left side wall of the slide block 3 is welded with a first chain 7, the movable end of the first chain 7 sequentially bypasses the second chain wheel 6 and the first chain wheel 5 clockwise, and is welded on the right side wall of the slide block 3, the base 1 is riveted and fixed, an output shaft of the first motor 8 is fixedly connected with the first rotating shaft 4; weld on the slider 3 and be equipped with mount pad 9, the bearing is equipped with No. two axis of rotation 10 soon on the mount pad 9, it is equipped with revolving stage 11 to weld on No. two axis of rotation 10, it is fixed with ball dispenser 12 to rivet on the revolving stage 11, it is equipped with No. two motors 13 to rivet on the mount pad 9, No. two motors 13 set up the rear side at revolving stage 11, it is equipped with No. three axis of rotation 14 to weld on No. two motors 13's the output shaft, it is equipped with No. three sprocket 15 to weld on No. two axis of rotation 10, it is equipped with No. four sprockets 16 to weld on No. three axis of rotation 14, No. three sprocket 15 is connected through No. two chain 17 transmissions with No. four sprockets 16, No. one motor 8, No. two motors 13 all are connected with external power supply wire, and a little gold 8, no.

Further, base 1 on rivet and be equipped with switch 18, switch 18 sets up the right-hand member front side at slide rail 2, and switch 18 sets up the right side at slider 3, rivet on the base 1 and be equipped with switch 19 No. two, switch 19 sets up the left end front side at slide rail 2 No. two, and switch 19 No. two sets up the left side at slider 3, switch 18 No. two, switch 19 sets up with the power cord series connection of a motor 8 in proper order, slider 3 slides to the end of slide rail, can touch switch 18 No. two, switch 19, and then with the power disconnection of a motor 8, can avoid slider 3 roll-off slide rail 2.

Further, a guard plate 20 is welded on the mounting seat 9, the guard plate 20 is sleeved outside the third chain wheel 15, the upper side edge of the guard plate 20 movably abuts against the lower surface of the rotating table 11, the second chain 17 movably penetrates through the guard plate 20, and the guard plate 20 can prevent a returned tennis ball from being clamped between the rotating table 11 and the mounting seat 9.

Furthermore, a support 21 is welded on the mounting base 9, the support 21 is erected above the second motor 13, a fourth rotating shaft 22 is rotatably arranged on the support 21 through a bearing, a first spur gear 23 is welded on the fourth rotating shaft 22, a face gear 24 is fixedly sleeved on the third rotating shaft 14, the first spur gear 23 is meshed with the face gear 24, and a direction indicator 25 is welded at the end of the fourth rotating shaft 22; the support 21 is welded with a curtain plate 26, the curtain plate 26 is sleeved on the fourth rotating shaft 22, the curtain plate 26 is clamped between the second straight gear and the beacon 25, the second motor 13 rotates to drive the rotating platform 11 to rotate, the first straight gear 23 can be synchronously driven to rotate through the face gear 24, the fourth rotating shaft 22 is driven to rotate, the beacon 25 is finally driven to rotate, and the rotating angle of the rotating platform 11 can be known by observing the rotation of the beacon 25.

Further, the lateral wall of slider 3 on the screw fixation have brush 27, brush 27 sliding rack establishes on slide rail 2, and the activity of the lower side of brush 27 is supported and is established on base 1, and brush 27 follows the slider and removes, before slider 3 removes, cleans on the upper surface of base 1 that slider 3 needs to pass through, prevents that the dust debris card on the base 1 from going forward between slider 3 and slide rail 2, hindering slider 3.

The working principle of the specific embodiment is as follows: tennis ball is shot through the ball dispenser 12 on the rotating platform 11, when the shooting direction needs to be adjusted, the third rotating shaft 14 is driven to rotate through the second motor 13, then the third rotating shaft 15, the fourth rotating shaft 16 and the second rotating shaft 10 which drives the fixed rotating platform 11 to rotate through the second chain 17, finally the rotating platform 11 is driven to rotate, the shooting angle of the ball dispenser 12 on the rotating platform is adjusted, when the position of the ball dispenser 12 needs to be moved, the position of the ball dispenser 12 can be moved through the position of the movable sliding block 3, at the moment, the first motor 8 is started, the first chain wheel 5 is driven to rotate through the first motor 8, then the first chain 7 is driven to rotate, the sliding block 3 is pulled to slide on the sliding rail 2 through the first chain 7, and the position is changed.

After adopting above-mentioned structure, this embodiment beneficial effect does: in the tennis ball serving device for sports education and training according to the embodiment, the ball serving device is fixed on the sliding block which is arranged on the sliding rail in a sliding manner, and the sliding block is driven to move by the motor and the chain, so that the position of the ball serving device can be changed, and a complex actual combat environment can be simulated.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a tennis service ware of sports education training which characterized in that: it contains base (1), slide rail (2), slider (3), mount pad (9), revolving stage (11), ball dispenser (12), wherein base (1) is fixed to be set up subaerial, fixed slide rail (2) that is provided with on base (1), it is provided with slider (3) to slide on slide rail (2), base (1) is gone up the bearing and is equipped with axis of rotation (4) soon, and axis of rotation (4) set up in slide rail (2) right-hand, it is fixed with sprocket (5) to overlap on axis of rotation (4), and sprocket (5) set up the right side at slide rail (2), base (1) is gone up the bearing and is equipped with sprocket (6) soon No. two, and sprocket (6) set up the left side at slide rail (2), the left side wall of slider (3) is fixed with chain (7) No. one, the expansion end of chain (7) is walked around sprocket (6) clockwise in proper order No. two, The rear part of the first chain wheel (5) is fixedly arranged on the right side wall of the sliding block (3), the base (1) is fixedly provided with a first motor (8), and an output shaft of the first motor (8) is fixedly connected with the first rotating shaft (4); a mounting seat (9) is fixedly arranged on the sliding block (3), a second rotating shaft (10) is arranged on the mounting seat (9) in a bearing rotating mode, a rotating table (11) is fixedly arranged on the second rotating shaft (10), a ball dispenser (12) is fixedly arranged on the rotating table (11), a second motor (13) is fixedly arranged on the mounting seat (9), the second motor (13) is arranged on the rear side of the rotating table (11), a third rotating shaft (14) is fixedly arranged on an output shaft of the second motor (13), a third chain wheel (15) is fixedly arranged on the second rotating shaft (10), a fourth chain wheel (16) is fixedly arranged on the third rotating shaft (14), and the third chain wheel (15) is in transmission connection with the fourth chain wheel (16) through a second chain (17);

the switch device is characterized in that a first switch (18) is fixedly arranged on the base (1), the first switch (18) is arranged on the front side of the right end of the sliding rail (2), the first switch (18) is arranged on the right side of the sliding block (3), a second switch (19) is fixedly arranged on the base (1), the second switch (19) is arranged on the front side of the left end of the sliding rail (2), the second switch (19) is arranged on the left side of the sliding block (3), and the first switch (18) and the second switch (19) are sequentially connected with a power line of a first motor (8) in series;

a guard plate (20) is fixedly arranged on the mounting seat (9), the guard plate (20) is sleeved outside the third chain wheel (15), the upper side edge of the guard plate (20) movably abuts against the lower surface of the rotating table (11), and the second chain (17) movably penetrates through the guard plate (20);

a brush (27) is fixedly arranged on the side wall of the sliding block (3), the brush (27) is arranged on the sliding rail (2) in a sliding mode, and the lower side edge of the brush (27) movably abuts against the base (1);

a support (21) is fixedly arranged on the mounting seat (9), the support (21) is erected above the second motor (13), a fourth rotating shaft (22) is rotatably arranged on the support (21) through a bearing, a first straight gear (23) is fixedly arranged on the fourth rotating shaft (22), an end face gear (24) is fixedly sleeved on the third rotating shaft (14), the first straight gear (23) is meshed with the end face gear (24), and a pointing mark (25) is fixedly arranged at the end of the fourth rotating shaft (22);

support (21) on fixed be provided with curtain board (26), curtain board (26) cover is established on No. four axis of rotation (22), and curtain board (26) press from both sides and establish between No. two spur gears and beacon (25).

2. A tennis ball dispenser for sports educational training according to claim 1, wherein: the working principle is as follows: tennis ball is launched through a ball launcher (12) on a rotating table (11), when the launching direction needs to be adjusted, a third rotating shaft (14) is driven to rotate through a second motor (13), then the second rotating shaft (10) of the fixed rotating platform (11) is driven to rotate through the third chain wheel (15), the fourth chain wheel (16) and the second chain (17), finally the rotating platform (11) is driven to rotate, the launching angle of the ball dispenser (12) on the rotating platform is adjusted, when the position of the ball dispenser (12) needs to be moved, the position of the moving ball dispenser (12) can be realized by moving the position of the slide block (3), and at the moment, the first motor (8) is started, the first chain wheel (5) is driven to rotate by the first motor (8), and then the first chain (7) is driven to rotate, the sliding block (3) is pulled to slide on the sliding rail (2) through the first chain (7), and the position is changed.