CN201930501U - Single-wheel type tennis ball pitching machine - Google Patents
Single-wheel type tennis ball pitching machine Download PDFInfo
- Publication number
- CN201930501U CN201930501U CN2011200124078U CN201120012407U CN201930501U CN 201930501 U CN201930501 U CN 201930501U CN 2011200124078 U CN2011200124078 U CN 2011200124078U CN 201120012407 U CN201120012407 U CN 201120012407U CN 201930501 U CN201930501 U CN 201930501U
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- tennis
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- monocycly
- wheel
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Abstract
A single-wheel type tennis ball pitching machine comprises a ball feeding device (1), a ball pitching device (2) and a drive controller (3), wherein the ball feeding device (1) and the ball pitching device (2) are electrically connected with the drive controller (3). The single-wheel type tennis ball pitching machine is characterized in that: the ball pitching device (2) is a single-wheel type ball pitching device which comprises a motor (11), a single friction flywheel (12) and a roller path (13); the roller path (13) and the single friction flywheel (12) are arranged on a rack (9), a ball pushing passageway is formed between the single friction flywheel (12) and the roller path (13), the ball inlet of the roller path (13) is connected with the ball outlet of the ball feeding device (1), and the motor (11) for driving the single friction flywheel (12) is also arranged on the rack (9) and is connected with the single friction flywheel (12) through a coupler. The single-wheel type tennis ball pitching machine provided by the utility model has a simple structure and a low cost, and is beneficial to the popularization and the promotion of tennis ball training.
Description
Technical field
The utility model relates to a kind of sports apparatus, especially a kind of service robot of auxiliary tennis exercise, specifically a kind of monocycly tennis serve machine that only uses a driving wheel to realize the friction service.
Background technology
As everyone knows, tennis serve machine is a kind ofly to launch tennis with mechanical device, for the equipment of people's exercise.Single exercise tennis is convenient in the use of tennis serve machine, can replace the coach to feed ball, and coach or teacher are freed from uninteresting the feeding the ball of dullness.Tennis serve machine can also guarantee the speed of serving a ball, the direction and the drop point of service simultaneously, and these can select to set as required.These all have significance to the exercise of tennis and the raising of technology.Along with tennis sports development is popularized, tennis serve machine more and more is subjected to people's welcome.
The tennis serve machine of main flow mainly is to utilize the principle of changeing two-wheel is come work at present.Mainly be made up of two friction pulleys that rotate at a high speed, their direction of rotation is opposite, and the interval between them is slightly less than the diameter of tennis, and tennis is subjected to the frictional force effect of two reverse rotation friction pulleys, just obtains certain speed, thereby tennis is launched.But for the quality and the mode that guarantee to serve a ball, the input cost of these service robots is higher, and design is also comparatively complicated, is unfavorable for popularizing.So, its function is disassembled, design a kind of simple and easy, cheap service robot and necessitate.
Summary of the invention
The purpose of this utility model be at existing to changeing the cost height that the dicycly tennis serve machine exists, complex structure is unfavorable for the problem of penetration and promotion, design a kind of simple in structure, cheap, the monocycly tennis serve machine of being convenient to popularize.
The technical solution of the utility model is:
A kind of monocycly tennis serve machine, it comprises ball device 1 down, ball serving device 2 and driving governor 3, following ball device 1 and ball serving device 2 are electrically connected with driving governor 3, it is characterized in that described ball serving device 2 is the monocycly ball serving device, it is mainly by motor 11, single friction free-wheel 12 and raceway 13, raceway 13 and single friction free-wheel 12 are installed on the frame 9, form the passage of chopping the chop between single friction free-wheel 12 and the raceway 13, the ball hole of raceway 13 joins with the ball mouth of following ball device 1, and the motor 11 that drives single friction free-wheel 12 also is installed on the frame 9 and by shaft coupling and links to each other with single friction free-wheel 12.
Described ball device 1 down comprises ball-storing box 4, lead ball tube 16, lead bulb 14 and drive motors 6, one end of leading bulb 14 connects as the ball hole of the raceway 13 of the ball mouth of ball device 1 down and ball serving device 2, leading the other end of bulb 14 is connected with ball mouth on the housing 8, lead that ball tube 16 is installed on the housing 8 and link to each other with the drive motors 6 that drives its rotation, housing 8 is positioned at the bottom of ball-storing box 4, drive motors 6 is installed on the housing 8, lead ball tube 16 and be provided with the following ball hole 15 of perforation, the upper end of leading ball tube 16 communicates with the bottom of ball-storing box 4, and described top of leading ball tube 16 is connected with group ball plate 5 that stretches on the ball-storing box 4; In the bottom of ball-storing box 4, the top of leading ball tube 16 is equipped with over against the position of leading bulb 14 ball holes and prevents that tennis from falling into the antiseize device 10 in ball hole 15 down.
The described quantity of leading the following ball hole 15 on the ball tube 16 is no less than two.
Described antiseize device 10 is a flexure spring.
Describedly lead in the bulb 14 or the inductive switch 7 that passes through of induction tennis is installed on the housing 8.
Described inductive switch 7 is microswitch or optoelectronic switch.
Described driving governor 3 is made up of single-chip microcomputer, D/A converter module, remote control module, pwm control speed adjusting module and solid-state relay; Remote control module produces signal and is received by single-chip microcomputer; Single-chip microcomputer, D/A converter module, pwm control speed adjusting module are connected in turn with motor 11, and Single-chip Controlling pwm control speed adjusting module produces corresponding pulsewidth, and then the rotating speed of control motor 11; Microswitch 7, single-chip microcomputer, solid-state relay and drive motors 6 are connected in turn, and control drive motors 6 rotates and stops.
Battery as stand-by power supply also is installed on the described frame 9.
The beneficial effects of the utility model:
The utility model is simple in structure, and is easily manufactured, and cost is low, helps the penetration and promotion of tennis serve machine.
Volume of the present utility model is little, and is in light weight, both can use mains powered, can adopt storage battery power supply again, flexible and convenient to use.
The utility model adopts unique following spherical structure, can not produce card ball phenomenon.
The utility model adopts computer control circuit, service beat and adjustable-speed.
Description of drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is the structural representation of ball device down of the present utility model.
Fig. 3 is the perspective view of Fig. 2.
Fig. 4 is the structural representation of ball serving device of the present utility model.
Fig. 5 is the electrical schematic diagram of driving governor of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Shown in Fig. 1-5.
A kind of monocycly tennis serve machine, it is mainly by down ball device 1(such as Fig. 2,3), ball serving device 2(such as Fig. 4) and driving governor 3(such as Fig. 5) form, they are installed on the frame 9, as shown in Figure 1, practise in order to adapt under the condition of no city power supply, also can the lithium power supply be installed as stand-by power supply on frame 9 during concrete enforcement, following ball device 1 and ball serving device 2 are electrically connected with driving governor 3.Ball serving device 2 wherein is the monocycly ball serving device, as shown in Figure 4, it is mainly by motor 11, single friction free-wheel 12 and raceway 13, raceway 13 and single friction free-wheel 12 are installed on the frame 9, form the passage of chopping the chop between single friction free-wheel 12 and the raceway 13, the ball hole of raceway 13 joins with the ball mouth of following ball device 1, the motor 11 that drives single friction free-wheel 12 also is installed on the frame 9 and by shaft coupling and links to each other with single friction free-wheel 12, the control of motor 11 is controlled by driving governor 3, the electrical schematic diagram of driving governor 3 both can adopt structure shown in Figure 5, also can adopt conventional electrical technology to design voluntarily as required.Following ball device 1(such as Fig. 2, shown in 3) comprise ball-storing box 4, lead ball tube 16, lead bulb 14 and drive motors 6, one end of leading bulb 14 connects as the ball hole of the raceway 13 of the ball mouth of ball device 1 down and ball serving device 2, leading the other end of bulb 14 is connected with ball mouth on the housing 8, lead that ball tube 16 is installed on the housing 8 and link to each other with the drive motors 6 that drives its rotation, housing 8 is positioned at the bottom of ball-storing box 4, drive motors 6 is installed on the housing 8, lead following ball hole 15(that ball tube 16 is provided with more than one perforation as shown in Figure 3, the quantity in the following ball hole 15 among Fig. 3 is four, also can be two, more than three or four), the upper end of leading ball tube 16 communicates with the bottom of ball-storing box 4, and described top of leading ball tube 16 is connected with group ball plate 5 that stretches on the ball-storing box 4; In the bottom of ball-storing box 4, the top of leading ball tube 16 is equipped with over against the position of leading bulb 14 ball holes and prevents that tennis from falling into the antiseize device 10 in ball hole 15 down, antiseize device 10 can adopt spring, baffle plate etc. to be realized.In addition, clap in order to control down ball-joint, realize Based Intelligent Control, the inductive switch 7 that the induction tennis passes through also can be installed in leading bulb 14 or on the housing 8, inductive switch 7 can adopt microswitch or optoelectronic switch.The light path that falls into tennis compressing microswitch when leading bulb 14 or cut off optoelectronic switch when tennis is then sent signal immediately and is given driving governor 3 like this, and expression has tennis to enter in the ball serving device.
During concrete enforcement, driving governor 3 can adopt electric theory diagram shown in Figure 5 to be realized, among Fig. 5, driving governor 3 mainly is made up of single-chip microcomputer, D/A converter module, remote control module, pwm control speed adjusting module and solid-state relay; Remote control module produces signal and is received by single-chip microcomputer; Single-chip microcomputer, D/A converter module, pwm control speed adjusting module are connected in turn with motor 11, and Single-chip Controlling pwm control speed adjusting module produces corresponding pulsewidth, and then the rotating speed of control motor 11; Microswitch 7, single-chip microcomputer, solid-state relay and drive motors 6 are connected in turn, and control drive motors 6 rotates and stops.
Operation principle of the present utility model is:
Ball-storing box 4 is used to hold tennis, drive motors 6 drives leads ball tube 16 and dials 5 rotations of ball plate, the tennis of dialling in 5 pairs of ball-storing boxs of ball plate 4 carries out disturbance, tennis is fallen into lead the following ball hole 15 on the ball tube 16, tennis enters down 15 backs, ball hole and rotates together along with leading ball tube 16, when the lower end in ball hole 15 goes to and leads bulb 14 relative position places instantly, tennis is promptly sent into from lead ball tube 16 and is led in the bulb 14, realize the supply of tennis, tennis along lead bulb 14(also can be lead the ball passage) enter in the ball hole of raceway 13 of ball serving device 2, quickened to launch from the service mouth by flywheel 12, the distance between flywheel 12 and the raceway 13 should be slightly less than the diameter of tennis to guarantee to have enough frictional force.Tennis can make induction installation 7(microswitch or optoelectronic switch through when leading bulb 14) action, induction installation 7 is given the signal of control circuit there to be ball to pass through, so that realize counting or beat control.When ball hole 15 turns to and leads bulb 14 relative position places instantly, once enter a plurality of tennises in order to prevent that ball in the ball-storing box 4 from falling into down to cause in the ball hole 15, therefore install antiseize device 10(anti-sticking spring additional in this position) just can guarantee that each time ball hole 15 once can only next tennis, as shown in Figure 3.Anti-sticking spring 10 can stop a plurality of tennises of its top to fall into down the ball mouth by the following match play 15 of leading on the ball tube 16, and following ball mouth is carried out necessary blocking, and utilizes flexible spring can prevent that again tennis from blocking simultaneously.In the tennis supply process, lead in the bulb 14 or the microswitch 7 of housing 8 can be depressed by tennis, necessary service blanking time is vacated in rear drive motor 6 stalls in about half second.Motor 11 drives friction free-wheels 12 and rotates, and friction free-wheel 12 has the effect of flywheel, can storage power, when the emission tennis, energy stored can be passed to tennis, and the rotating speed of motor 11 and friction free-wheel 12 is remained unchanged substantially.Tennis carries out the single-wheel friction by friction free-wheel 12 and raceway 13 to quicken, and obtains enough energy and launches at a certain angle, realizes the tennis emission of single-wheel friction.
During work, the signal that remote control module produces is received by single-chip microcomputer, realizes people's Long-distance Control, so that the service exercise.Single-chip microcomputer produces corresponding pulsewidth by the parameter control pwm control speed adjusting module of setting, and then the rotating speed of control motor 11, realizes the control of tennis ball speed.Single-chip microcomputer receives the signal of microswitch 7, rotates and stops by solid-state relay control small machine 6, realizes the service control of blanking time, supplies with there being tennis for a long time, and the system default tennis uses up, and uses the auditory tone cues practitioner.Entire mechanism can be utilized lithium battery power supply, makes the monocycly tennis serve machine not be subjected to the constraint in place, can convenient practitioner use.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (8)
1. monocycly tennis serve machine, it comprises ball device (1) down, ball serving device (2) and driving governor (3), following ball device (1) and ball serving device (2) are electrically connected with driving governor (3), it is characterized in that described ball serving device (2) is the monocycly ball serving device, it is mainly by motor (11), single friction free-wheel (12) and raceway (13), raceway (13) and single friction free-wheel (12) are installed on the frame (9), form the passage of chopping the chop between single friction free-wheel (12) and the raceway (13), the ball hole of raceway (13) joins with the ball mouth of following ball device (1), and the motor (11) that drives single friction free-wheel (12) also is installed in frame (9) and upward and by shaft coupling links to each other with single friction free-wheel (12).
2. monocycly tennis serve machine according to claim 1, it is characterized in that described ball device (1) down comprises ball-storing box (4), lead ball tube (16), lead bulb (14) and drive motors (6), one end of leading bulb (14) connects as the ball hole of the raceway (13) of the ball mouth of ball device (1) down and ball serving device (2), leading the other end of bulb (14) is connected with ball mouth on the housing (8), leading ball tube (16) is installed in that housing (8) is gone up and links to each other with the drive motors (6) that drives its rotation, housing (8) is positioned at the bottom of ball-storing box (4), drive motors (6) is installed on the housing (8), lead ball tube (16) and be provided with the following ball hole (15) of perforation, the upper end of leading ball tube (16) communicates with the bottom of ball-storing box (4), and described top of leading ball tube (16) is connected with group ball plate (5) that stretches on the ball-storing box (4); In the bottom of ball-storing box (4), the top of leading ball tube (16) is equipped with over against the position of leading bulb (14) ball hole and prevents that tennis from falling into the antiseize device (10) in ball hole (15) down.
3. single-wheel subnet ball service robot according to claim 2 is characterized in that the described quantity of leading the following ball hole (15) on the ball tube (16) is no less than two.
4. monocycly tennis serve machine according to claim 2 is characterized in that described antiseize device (10) is a flexure spring.
5. monocycly tennis serve machine according to claim 2 is characterized in that describedly leading in the bulb (14) or the inductive switch (7) that passes through of induction tennis being installed on the housing (8).
6. monocycly tennis serve machine according to claim 5 is characterized in that described inductive switch (7) is microswitch or optoelectronic switch.
7. monocycly tennis serve machine according to claim 1 is characterized in that described driving governor (3) is controlled speed adjusting module by single-chip microcomputer, D/A converter module, remote control module, pwm and solid-state relay is formed; Remote control module produces signal and is received by single-chip microcomputer; Single-chip microcomputer, D/A converter module, pwm control speed adjusting module are connected in turn with motor (11), and Single-chip Controlling pwm control speed adjusting module produces corresponding pulsewidth, and then the rotating speed of control motor (11); Microswitch (7), single-chip microcomputer, solid-state relay and drive motors (6) are connected in turn, and control drive motors (6) rotates and stops.
8. monocycly tennis serve machine according to claim 1 is characterized in that also being equipped with on the described frame (9) battery as stand-by power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200124078U CN201930501U (en) | 2011-01-17 | 2011-01-17 | Single-wheel type tennis ball pitching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200124078U CN201930501U (en) | 2011-01-17 | 2011-01-17 | Single-wheel type tennis ball pitching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201930501U true CN201930501U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200124078U Expired - Fee Related CN201930501U (en) | 2011-01-17 | 2011-01-17 | Single-wheel type tennis ball pitching machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201930501U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008812A (en) * | 2011-01-17 | 2011-04-13 | 东南大学 | Single wheel type tennis ball pitching machine |
| CN107050817A (en) * | 2017-04-13 | 2017-08-18 | 东莞市斯波阿斯体育用品科技有限公司 | Basketball service robot |
| CN107583259A (en) * | 2017-09-19 | 2018-01-16 | 宁波大学 | A kind of tennis transceiver machine |
| CN108043007A (en) * | 2018-02-06 | 2018-05-18 | 东北大学 | It is a kind of to dial ball machine structure suitable for hard sphere body |
| CN108159672A (en) * | 2018-02-01 | 2018-06-15 | 沈建球 | A kind of automatic tennis service equipment |
| CN108654053A (en) * | 2018-06-19 | 2018-10-16 | 鲁东大学 | A kind of desktop table tenning ball servicing machine |
-
2011
- 2011-01-17 CN CN2011200124078U patent/CN201930501U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008812A (en) * | 2011-01-17 | 2011-04-13 | 东南大学 | Single wheel type tennis ball pitching machine |
| CN102008812B (en) * | 2011-01-17 | 2012-07-25 | 东南大学 | Single wheel type tennis ball pitching machine |
| CN107050817A (en) * | 2017-04-13 | 2017-08-18 | 东莞市斯波阿斯体育用品科技有限公司 | Basketball service robot |
| CN107050817B (en) * | 2017-04-13 | 2019-01-11 | 东莞市斯波阿斯体育用品科技有限公司 | Basketball service robot |
| CN107583259A (en) * | 2017-09-19 | 2018-01-16 | 宁波大学 | A kind of tennis transceiver machine |
| CN108159672A (en) * | 2018-02-01 | 2018-06-15 | 沈建球 | A kind of automatic tennis service equipment |
| WO2019149098A1 (en) * | 2018-02-01 | 2019-08-08 | 沈建球 | Automatic tennis ball serving device |
| CN108043007A (en) * | 2018-02-06 | 2018-05-18 | 东北大学 | It is a kind of to dial ball machine structure suitable for hard sphere body |
| CN108654053A (en) * | 2018-06-19 | 2018-10-16 | 鲁东大学 | A kind of desktop table tenning ball servicing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20170117 |