CN102151399A - Computer-controlled table tennis ball serving device - Google Patents
Computer-controlled table tennis ball serving device Download PDFInfo
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- CN102151399A CN102151399A CN2010101089902A CN201010108990A CN102151399A CN 102151399 A CN102151399 A CN 102151399A CN 2010101089902 A CN2010101089902 A CN 2010101089902A CN 201010108990 A CN201010108990 A CN 201010108990A CN 102151399 A CN102151399 A CN 102151399A
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Abstract
The invention relates to a table tennis ball serving device, which is obviously characterized by serving all-around spinning ball or plain ball and controlling ball serving speed and rotation direction by modern embedded computer technology to accurately simulate rear ball service scene. The device comprises the following mechanisms: a ball storing and supplying mechanism and a ball throwing and spinning mechanism, wherein the ball storing and supplying mechanism mainly comprises a ball storing cylinder, a rotating disc, a motor and a ball supply tube; and the ball throwing and spinning mechanism mainly comprises a throwing tube, an impeller, a fan, a rotating cylinder, a motor, a friction ring, a suspension frame, a spring, a regulating shaft, a bevel gear and a step motor. The table tennis ball serving device has another characteristic that: the ball serving action of a player is displayed on a liquid crystal screen at each time of ball serving so as to indicate the motion mode of a table tennis ball to be served and better realize the randomization of a ball serving mode. In addition, the table tennis ball serving device has a modular structure, so that the structure of the ball serving device can be increased and reduced according to different user needs to realize the serialization of products.
Description
Technical field
The present invention relates to a kind of table tenning ball servicing machine, especially can simulate and send knuckle ball at random and along the device of the screw of any direction rotation.
Background technology
Table tennis is a kind of extensive mass-based sports item that has.In order to satisfy people's table tennis training requirement, the invention of many relevant table tennis ball serving device aspects has appearred, also can buy the product of this respect on the market.From present market situation, the ball that a lot of products send can not match scene that is virtually reality like reality, for example, and the direction of rotation of spiral limited (as eight kinds of spirals), and can not send the commentaries on classics ball that direction of rotation can change arbitrarily at random, do not satisfy the requirement of professional athlete training.Also have some service robot products, though function is stronger, complex structure involves great expense, and price is difficult to accept for domestic consumer.
In view of the foregoing, consider the fast development that the current computer control technology obtains again, we expect up-to-date computer technology and mechanical serving mechanism are combined, and design a kind of intelligentized service system.Simultaneously, in order to adapt to different levels user's demand, we expect that this ball serving device has a kind of modular structure, making can be according to required function, increase and decrease the parts of this device,, satisfy all kinds of requirements of different users so that realize the seriation of product.
Summary of the invention
The present invention be a kind of can be according to the user instruction sequence, send a series of knuckle ball continuously and along the table tennis ball serving device of the screw of any direction rotation.This apparatus features is by combining with modern embedded computer technology, realizing the control and the setting of serve speed and direction of rotation, to satisfy various users' specific training requirement.
The technical solution used in the present invention is that a kind of table tennis ball serving device is by storing up ball and ball mechanism, toss and spiral mechanism composition.It is characterized in that storing up ball and ball mechanism and comprise a container that forms by storage ball cylinder and rotating disk.Face has been installed a little cylinder above the rotating disk.There are one or more diameters and length to be slightly larger than the bulb that of table tennis diameter below the rotating disk.Rotating disk is rack-mount by bearing, and is rotated by gear drive by motor.Cylinder inner wall is fixedly connected with the disk that approximates the table tennis diameter between, and it is positioned at for the bulb top, supplies the lower end of bulb then to link to each other with blast pipe.The axis that rotating disk goes out bulb is parallel with the axis for bulb, and all to be positioned at the disk middle spindle be a face of cylinder of center line.Toss mechanism comprises fan, motor, blast pipe, flexible pipe, transfer tube, projectile tube, impeller, projectile tube position adjusting mechanism composition.The upper end of blast pipe connects for bulb, keeps certain interval between the import of outlet and transfer tube, make table tennis to enter transfer tube from blast pipe smoothly, and transfer tube can rotate freely along its axis.Spiral mechanism is made up of rotating cylinder, motor, drag ring.
The projectile tube central axis of toss mechanism is parallel with the drag ring central axis of spiral mechanism, and the relative position of these two axis can be adjusted.This adjustment realizes by the projectile tube position adjusting mechanism.The projectile tube position adjusting mechanism comprises that stepper motor is regulated in suspension, spring, radial position regulating shaft, bevel gear, radial position, circumferential locations is regulated stepper motor and formed.Projectile tube is positioned at the rectangle guide hole of suspension.Projectile tube inboard (drag ring central axis relatively) is subjected to two spring compressings, and the outside is pressed in an end of radial position regulating shaft.Regulating shaft is connected by bolt with suspension, and the other end of axle has been installed bevel gear.Bevel gear is regulated stepper motor by radial position and drives, and radial position is regulated stepper motor and then is fixed on the projectile tube.
Suspension and transfer tube are rigidly connected, and the drag ring central axes of the central shaft of transfer tube and spiral mechanism.This transfer tube can be regulated rotation under the stepper motor driving in circumferential locations, and drives projectile tube along the circumferential direction moving with respect to drag ring by suspension.
The rotating cylinder inwall of spiral mechanism is embedded with drag ring.Drag ring can be made of rubber, and its inwall point diameter is littler than rear end diameter.Rotating cylinder, and rotates under a motor-driven by gear on support by bearing fixing.
The motion mode of table tennis and service frequency depend on rotating speed of motor or corner (if increase a wabbler mechanism, then the serving side is to also can be by step motor control) fully.The motion of these motors can be controlled by computer (as single-chip microcomputer) easily, in addition, before sending a table tennis, shows the motion mode that will send table tennis to the user by a LCDs at every turn.
Description of drawings
Fig. 1: toss and spiral mechanism schematic perspective view;
Fig. 2: toss and spiral mechanism longitudinal sectional view;
Fig. 3: A-A view among Fig. 2;
Fig. 4: B-B view among Fig. 2;
Fig. 5: storage ball and ball mechanism schematic perspective view;
Fig. 6: storage ball and ball mechanism cutaway view;
Fig. 7: rotating disk and ball supplying disk body vertical view;
Fig. 8: computer control system.
Description of reference numerals:
1 rotating cylinder; 2 drag rings; 3 gears; 4 motors; 5 supports; 6 projectile tubes; 7 springs; 8 belt pulleys; 9 impellers; 10 motors; 11 flexible pipes; 12 bearings; 13 transfer tubes; 14 for bulb; 15 blast pipes; 16 springs; 17 suspensions; 18 radial position regulating shafts; 19 bevel gears; 20 bevel gears; 21 stepper motors; 22 gears; 23 stepper motors; The supporting of 24 impellers; 25 bearings; 26 impeller shafts; 27 supports (with 5 being connected as a single entity); 28 cylinders; 29 block disk and supports thereof; 30 storage ball cylinders; 31 rotating disks; 32 bearings; 33 disk bodies (linking to each other) with 14; 34 gears; 35 gears; 36 motors;
The specific embodiment
Below in conjunction with accompanying drawing, working method of the present invention is described.
Fig. 1 and Fig. 2 are respectively toss of the present invention and spiral mechanism schematic perspective view and longitudinal sectional view.Table tennis arrives blast pipe 9 through the pipe 14 of losing, and air blast is blown into flexible pipe 11 with ball, arrives projectile tube 6 then.Motor 10 penetrates table tennis by 9 rotations of belt drives impeller from projectile tube.By regulating the rotating speed of motor 10, can regulate the table tennis velocity of shuttle flight.
On the other hand, motor 4 drives rotating cylinder 1 rotation by gear 5.Rotating cylinder 1 inwall is embedded with drag ring 2.Drag ring 2 can be made of rubber, and its inwall point diameter is littler than rear end diameter.When table tennis when projectile tube 6 flies out, if with the inwall contact friction of the drag ring 2 of rotation, will produce rotation.The size and Orientation of the rotary speed of ball depends on the size and Orientation of the frictional force between table tennis and the drag ring 2.
Fig. 3 is the A-A view of Fig. 1.From Fig. 3 as seen, projectile tube 6 is positioned at the rectangle guide hole of suspension 17, and a side of 6 is spring 7 and 16, and opposite side is a regulating shaft 18.Under the effect of spring 7 and 16, projectile tube 6 is pressed on an end of axle 18.18 and suspension 17 between pass through threaded engagement.18 the other end is equipped with bevel gear 19,19 and is driven by bevel gear 20 by stepper motor 21.Stepper motor 21 is installed on the projectile tube 6.When stepper motor 21 driving bevel gears 19 turn over certain angle, axle 18 will move corresponding distance vertically, thereby projectile tube 6 (with respect to drag ring 2 central axis) is moved radially, shown in Fig. 3 arrow.Like this, just can regulate the radial position of projectile tube by stepper motor.
On the other hand, suspension 17 is rigidly connected with transfer tube 13.The axis of transfer tube 13 and drag ring 2 deads in line.Transfer tube 13 can rotate around central shaft under the driving of stepper motor 23 by gear, and drives toss pipe 6 along the circumferential direction mobile (with respect to drag ring 2 central axis) by suspension 17, shown in Fig. 3 arrow.
In sum, the position of the central axis of projectile tube 6 can be moved along radial direction and circumference aspect with respect to the position of the central axis of drag ring 2, and displacement is by two stepper motors 21 and 23 controls.The size and Orientation of suffered frictional force when contacting with drag ring 2 by regulating 6 and 2 relative position, can changing table tennis.Simultaneously, the speed of dishing out of the rotating speed of drag ring 2 and table tennis also has regulating action to the size and Orientation of frictional force.Regulate by these, can send screw with any direction of rotation and speed.Find out easily that in addition if the central axis of the central axis of projectile tube 6 and drag ring 2 is close to a certain degree, table tennis will not contact with drag ring, thereby becomes knuckle ball when 6 fly out.
Fig. 4 is a B-B view among Fig. 2.As can be seen from the figure, impeller 9 is by axle 26, and bearing 25 is fixed in the supporting 24, and 24 then fixedly on the projectile tube 6.Motor 10 is by belt drives belt pulley 8, and impeller is rotated.Motor 10 also is mounted on the projectile tube.
Storage ball and ball mechanism are described below.Fig. 5 and Fig. 6 are respectively the stereogram and the cutaway views of storage ball and ball mechanism.Wherein table tennis is contained in the container that is formed by cylinder 30 and rotating disk 31.The structure of rotating disk 31 is shown in vertical view among cutaway view among the figure and Fig. 7.Roundlet tube 28 is fixedly mounted on rotating disk 31 the insides.Be the bulb that goes out that a diameter and length are slightly larger than the table tennis diameter below 31, this goes out can only hold a table tennis in the bulb.Rotating disk 31 is installed on the support 27 by bearing 32.Motor 36 drives rotating disk 31 rotations by gear 35.The bulb that goes out when 31 forwards disk 29 (29 and 30 are fixedly linked, and 30 then are fixed on the support 27) when below to, and its import is blocked by 29, simultaneously, aliging in its outlet and the disk body 33 for bulb, table tennis is just dropped in the confession bulb.Like this, whenever rotating disk 31 circles, just there is a table tennis to enter for bulb.Regulate 31 rotating speed, promptly can regulate goal speed.Need to prove that in Fig. 5 and rotating disk shown in Figure 6 31, we have only drawn one and have gone out bulb.In fact, can adopt to have more the bulb structure, that is, go out bulb, make when rotating disk 31 circles have a plurality of tablees tennis to enter successively for bulb along the circumference symmetric arrays is a plurality of.
Computer control
Characteristics of said apparatus are, the directly controlled rotating speed control of overregulating motor 10 of table tennis flying speed, rotary speed and direction of rotation are controlled by the relative position of the central axis of adjusting projectile tube 6 central axis and drag ring 2, the rotary speed of motor 4.And the relative position of the central axis of projectile tube 6 central axis and drag ring 2 can be regulated by stepper motor 21 and 23.In addition, the service frequency can be controlled by the rotating speed of regulating motor 36.
To sum up tell, the motion mode of table tennis and service frequency are fully by 5 Electric Machine Control (if increase a wabbler mechanism, then the serving side is to also can be by step motor control).The motion of these motors can easily must be passed through computer (as single-chip microcomputer) control.So, by system as shown in Figure 8, can realize the intellectuality of ball serving device, make that the user can be according to training requirement, set serving way by keyboard or Digiplex, also can order service robot to send a series of tablees tennis, for example in customizable mode, send 10 top spins earlier, send 5 chops or the like then.
Because the present invention has the above-mentioned simulation function of serving a ball at random arbitrarily, so before sending a table tennis at every turn, show the motion mode that will send table tennis to the user by a LCDs, display mode can be textual form, or show that with image format a sportsman is carrying out certain delivery of service, and the table tennis that this action is sent has identical motion mode with the table tennis that promptly will send.
The changeable of structure
Another characteristics of said apparatus are that its structure has changeable.
1: if remove bevel gear 19, bevel gear 20, stepper motor 21, and radial position regulating shaft 18 is changed to the adjusting bolt, then can manual mode, regulate projectile tube 6 central axis with respect to the radial position of drag ring 2;
2; Similarly, can remove gear 22, stepper motor 23, and by manual adjustment projectile tube 6 central axis with respect to the circumferential locations of drag ring 2.
Claims (7)
1. table tennis ball serving device, by storage ball and ball mechanism, toss and spiral mechanism form.It is characterized in that storing up ball and ball mechanism and comprise a container that forms by storage ball cylinder and rotating disk.A little cylinder has been installed above the rotating disk.There are one or more diameters and length to be slightly larger than the bulb that of table tennis diameter below the rotating disk.Rotating disk is rack-mount by bearing, and is rotated by gear drive by motor.Cylinder inner wall is fixedly connected with the disk that is about the table tennis diameter between, and it is positioned at for the bulb top, supplies the lower end of bulb then to link to each other with blast pipe.The axis that rotating disk goes out bulb is parallel with the axis for bulb, and all to be positioned at the disk middle spindle be a face of cylinder of center line.Toss mechanism comprises fan, motor, blast pipe, flexible pipe, transfer tube, projectile tube, impeller, and the projectile tube position adjusting mechanism is formed.The upper end of blast pipe connects for bulb, keeps certain interval between the import of outlet and transfer tube, makes table tennis to enter transfer tube from blast pipe smoothly, and transfer tube can be free along its central axis rotation.Spiral mechanism is made up of rotating cylinder, motor, drag ring.
2. according to the described table tennis ball serving device of claim 1, it is characterized in that the projectile tube central axis of said toss mechanism is parallel with the drag ring central axis of spiral mechanism, and the relative position of these two axis can be adjusted.This adjustment realizes by the projectile tube position adjusting mechanism.
3. according to the described table tennis ball serving device of claim 2, it is characterized in that said projectile tube position adjusting mechanism comprises that stepper motor is regulated in suspension, spring, radial position regulating shaft, bevel gear, radial position, circumferential locations is regulated stepper motor and formed.Projectile tube is positioned at the rectangle guide hole of suspension.Projectile tube inboard (drag ring central axis relatively) is subjected to two spring compressings, and the outside is pressed in an end of radial position regulating shaft.Said regulating shaft is connected by bolt with suspension, and the other end of axle has been installed bevel gear.Bevel gear is regulated stepper motor by radial position and drives, and radial position is regulated stepper motor and then is fixed on the projectile tube.
4. according to the described table tennis ball serving device of claim 3, it is characterized in that said suspension and transfer tube are rigidly connected, and the drag ring central axes of the central axis of transfer tube and spiral mechanism.This transfer tube can rotate under stepper motor drives, and it is along the circumferential direction mobile with respect to the drag ring central axis to drive projectile tube by suspension.
5. according to the described table tennis ball serving device of claim 1, it is characterized in that the rotating cylinder inwall of said spiral mechanism is embedded with drag ring.Drag ring can be made of rubber, and its inwall point diameter is littler than rear end diameter.Rotating cylinder, and is rotated by motor-driven by gear on support by bearing fixing.
6. according to the described table tennis ball serving device of claim 1, it is characterized in that the motion mode of table tennis and service frequency depend on rotating speed of motor or corner (if increase a wabbler mechanism, then the serving side is to also can be by step motor control) fully.The motion of these motors can be by computer (as single-chip microcomputer) control, the function thereby the realization simulation is served a ball at random.
7. according to the described table tennis ball serving device of claim 6, it is characterized in that before sending a table tennis, to show the motion mode that will send table tennis to the user at every turn by a LCDs.Display mode can be textual form, or shows that with image format a sportsman is carrying out certain delivery of service, and the table tennis that this action is sent is identical with the table tennis mode that promptly will send.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101089902A CN102151399A (en) | 2010-02-11 | 2010-02-11 | Computer-controlled table tennis ball serving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101089902A CN102151399A (en) | 2010-02-11 | 2010-02-11 | Computer-controlled table tennis ball serving device |
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| CN102151399A true CN102151399A (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101089902A Pending CN102151399A (en) | 2010-02-11 | 2010-02-11 | Computer-controlled table tennis ball serving device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069633A (en) * | 2014-07-11 | 2014-10-01 | 上海体育学院 | Virtual reality generation system for table tennis ball serving |
| CN104436611A (en) * | 2014-12-09 | 2015-03-25 | 张锐明 | Projection-type automatic ball serving device and ball serving method thereof |
| CN107106901A (en) * | 2015-01-15 | 2017-08-29 | 赵炳九 | Exerciser for ball sports |
| CN113018816A (en) * | 2021-04-22 | 2021-06-25 | 高跃 | Table tennis rotary ball serving device |
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| US4854588A (en) * | 1985-04-03 | 1989-08-08 | Joseph E. Newgarden | Table tennis ball serving device |
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| DE102006017288A1 (en) * | 2006-04-12 | 2007-10-18 | Meng-Fu Chen | Table tennis ball delivery machine used as a training machine comprises a ball collecting unit, a control valve and a ball serving mechanism |
| TW200906466A (en) * | 2007-08-07 | 2009-02-16 | Nat Univ Chin Yi Technology | Ball serving device of table tennis |
| CN101444665A (en) * | 2008-12-12 | 2009-06-03 | 陈兆红 | Table tennis ball launcher |
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Patent Citations (8)
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| US4854588A (en) * | 1985-04-03 | 1989-08-08 | Joseph E. Newgarden | Table tennis ball serving device |
| CN2320292Y (en) * | 1998-03-27 | 1999-05-26 | 何国华 | Service robot for table tennis |
| JP2001037936A (en) * | 1999-08-03 | 2001-02-13 | Namco Ltd | Table tennis game machine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069633A (en) * | 2014-07-11 | 2014-10-01 | 上海体育学院 | Virtual reality generation system for table tennis ball serving |
| CN104069633B (en) * | 2014-07-11 | 2018-12-07 | 上海体育学院 | The virtual reality of table tennis ball serving generates system |
| CN104436611A (en) * | 2014-12-09 | 2015-03-25 | 张锐明 | Projection-type automatic ball serving device and ball serving method thereof |
| CN107106901A (en) * | 2015-01-15 | 2017-08-29 | 赵炳九 | Exerciser for ball sports |
| CN107106901B (en) * | 2015-01-15 | 2020-01-07 | 赵炳九 | Ball game exercising device |
| CN113018816A (en) * | 2021-04-22 | 2021-06-25 | 高跃 | Table tennis rotary ball serving device |
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Application publication date: 20110817 |