CN109568917B - Self-rotation ball serving device for table tennis training - Google Patents
Self-rotation ball serving device for table tennis training Download PDFInfo
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- CN109568917B CN109568917B CN201811552059.6A CN201811552059A CN109568917B CN 109568917 B CN109568917 B CN 109568917B CN 201811552059 A CN201811552059 A CN 201811552059A CN 109568917 B CN109568917 B CN 109568917B
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- serving
- table tennis
- box
- power hammer
- ball
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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
- A63B69/406—Stationarily-arranged devices for projecting balls or other bodies with rotating discs, wheels or pulleys gripping and propelling the balls or bodies by friction
-
- 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
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/16—Table tennis
Abstract
The invention discloses an autonomous rotary ball serving device for table tennis training, which comprises a base, a power hammer box, a serving barrel and a conveying box, wherein the power hammer box is positioned on the base, the serving barrel is positioned above the power hammer box and communicated with the power hammer box, the conveying box is fixed on the serving barrel, an open cavity is formed in the bottom of the serving barrel and is communicated with the interior of the power hammer box, the power hammer box and the serving barrel are cylindrical and are mutually and vertically arranged, and the front side surface of the serving barrel is of an open structure; this device is through being equipped with two ball revolvers in serving a ball section of thick bamboo front side, thereby make ball revolver side and table tennis take place the friction when the table tennis is from serving a ball section of thick bamboo front end blowout, for additional a rotation effect of table tennis, improve the effect of training, and because ball revolver is reciprocal rotatory, the rotation effect of every table tennis all has the difference, also can increase or reduce rotatory intensity through the rotational speed that changes gear motor simultaneously, the ball revolver of two different positions, thereby can simulate various rotatory angles and guarantee the comprehensiveness of training.
Description
Technical Field
The invention relates to sports equipment, in particular to an automatic rotary ball serving device for table tennis training.
Background
The table tennis is a Chinese ball, is a popular ball sports item in the world, is a whole body sport, has the advantages of body building, brain strengthening and heart building, is not harsh in developing conditions, and is strong in participation, so the popularization degree is very high.
Although the table tennis sport is convenient to develop, two persons are needed for routine training, and when professional training is needed, strength and habit are needed to be strengthened, and a pitching machine is often used.
Service robot on the market is various at present, and at present adopts pneumatic impact mode to serve to the service mechanism of table tennis mostly, but the problem that exists is that the pneumatic type often causes the table tennis to be the straight line orbit, and the table tennis often takes place to rotate during the antagonism, arc motion, and rotatory direction, dynamics also have multiple mode, therefore the comprehensiveness of training can't be guaranteed to present service robot.
Disclosure of Invention
The invention aims to provide an automatic rotary ball serving device for table tennis training, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an automatic rotary ball serving device for table tennis training comprises a base, a power hammer box, a serving barrel and a conveying box, wherein the power hammer box is arranged on the base, the serving barrel is arranged above the power hammer box and communicated with the power hammer box, the conveying box is fixed on the serving barrel, an open cavity is formed in the bottom of the serving barrel and is used for being communicated with the interior of the power hammer box, the power hammer box and the serving barrel are cylindrical and are arranged perpendicular to each other, the front side face of the serving barrel is of an open structure, two rotary ball devices are arranged on the front side of the outer wall of the serving barrel and are respectively arranged on the top face and the side face of the serving barrel, each rotary ball device comprises a device body, a variable speed motor is fixed in the device body, a half-cone gear is arranged at the output end of the variable speed motor, a disc driving rod is arranged in the device body and is perpendicular to the output shaft of the variable speed motor, the disc driving rod is rotatably connected with the device body, the disc driving rod is sleeved with a first bevel gear and a second bevel gear which are respectively positioned on two sides of the half bevel gear, and the half bevel gear is intermittently meshed with the first bevel gear and the second bevel gear.
The pulse rotating rod is in transmission connection with a pulse motor positioned in the base, and a power hammer and a pull rod are fixed on the pulse rotating rod; a positioning device is arranged at the bottom in the ball serving barrel and close to the open cavity; the positioning device comprises a spring groove formed in the inner bottom surface of the pitching barrel, a rotary baffle plate rotatably connected with the edge of the groove body is arranged in the spring groove, a return spring connected with the bottom of the groove body of the spring groove is arranged at the bottom of the rotary baffle plate, a pull wire extending into the power hammer box and connected with the pull rod is arranged at the top end of the rotary baffle plate, and the upper surface of the rotary baffle plate is arc-shaped.
As a preferred embodiment of the present invention: the conveying box comprises a box body, a low-speed motor is arranged in the center of the top surface in the box body, the box body is cylindrical, a rotating shaft is connected to the output end of the low-speed motor, an opening disc which is attached to the bottom surface of the box body and is in sliding connection with the bottom surface of the box body is fixed to the lower end of the rotating shaft, a quantitative opening is formed in the opening disc, a ball inlet connected with the inside of the box body is formed in the top of the ball serving barrel, and the ball inlet is located right above the; the quantitative opening is provided with an oblique table section and a cylindrical section, the oblique table section is in butt joint with the cylindrical section, and the oblique table section is located above the cylindrical section.
Compared with the prior art, the invention has the beneficial effects that: the device is provided with the two ball rotating devices on the front side of the serving barrel, so that the side surface of the ball rotating disc is rubbed with the table tennis when the table tennis is sprayed out from the front end of the serving barrel, a rotating effect is added to the table tennis, the training effect is improved, the rotating effect of each table tennis is different due to the fact that the ball rotating disc rotates in a reciprocating mode, meanwhile, the rotating strength can be increased or reduced by changing the rotating speed of the variable speed motor, and the ball rotating devices in two different positions can simulate various rotating angles so as to guarantee the comprehensiveness of training;
carry incasement structure ingenious, through rotatory, have quantitative open-ended opening dish and carry out the ration to the table tennis and send into, avoid a plurality of table tennis once only get into a service section of thick bamboo in, guaranteed the intermittent type of service and lasted the effect, simultaneously through set up positioner in a service section of thick bamboo, stability when not only having guaranteed the table tennis and falling and entering, the block that the table tennis received when also having avoided the service under the effect of acting as go-between guarantees the continuation of training.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the positioning device of the present invention.
Fig. 3 is a schematic view of the internal structure of the ball spinner of the present invention.
Fig. 4 is a schematic view of the internal structure of the conveying box of the present invention.
Fig. 5 is an isometric view of an open disc according to the present invention.
In the figure, 1-base, 2-power hammer box, 21-impulse rotating rod, 22-power hammer, 23-pull rod, 3-ball serving barrel, 31-open cavity, 32-positioning device, 33-ball inlet, 34-spring groove, 35-rotary baffle, 36-return spring, 37-pull wire, 4-ball rotator, 41-variable motor, 42-semi-cone gear, 43-ball-rotating disk, 431-rubber sleeve, 44-disk driving rod, 45-first bevel gear, 46-second bevel gear, 5-conveying box, 51-box body, 52-low-speed motor, 53-rotating shaft, 54-opening disk and 55-quantitative opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-3, an autonomous rotary ball serving device for table tennis training comprises a base 1, a power hammer box 2 located on the base 1, a serving barrel 3 located above the power hammer box 2 and communicated with the power hammer box 2, and a delivery box 5 fixed on the serving barrel 3, wherein the serving barrel 3 is used for serving a single ball, the power hammer box 2 is used for outputting power to the single ball in the serving barrel 3, an open cavity 31 is arranged at the bottom of the serving barrel 3 and communicated with the inside of the power hammer box 2, the power hammer box 2 and the serving barrel 3 are both cylindrical and vertically arranged, the front side surface of the serving barrel 3 is of an open structure, two rotary ball devices 4 are arranged at the front side of the outer wall of the serving barrel 3, the two rotary ball devices 4 are respectively located at the top surface and the side surface of the serving barrel 3, the rotary ball devices 4 comprise a device body, a variable speed motor 41 is fixed in the device body, a half cone gear 42 is arranged at the output end of the variable speed motor 41, a disk driving rod 44 which is perpendicular to the output shaft of the variable speed motor 41 is arranged in the device body, the disk driving rod 44 is rotationally connected with the device body, one end of the disk driving rod 44 extends out of the device body and is fixed with a rotary ball disk 43, the side surface of the rotary ball disk 43 is coated with a rubber sleeve 431, the disk driving rod 44 is sheathed with a first bevel gear 45 and a second bevel gear 46 which are respectively positioned at the two sides of the half bevel gear 42, the half bevel gear 42 is intermittently meshed with the first bevel gear 45 and the second bevel gear 46, when the variable speed motor 41 rotates, the disk driving rod 44 drives the rotary ball disk 43 to rotate in a reciprocating way through the intermittent transmission of the half bevel gear 42 and the two bevel gears, so that the side surface of the rotary ball disk 43 is rubbed with the table tennis when the table tennis is sprayed out from the front end of the service barrel 3, a rotary effect is added to the table tennis, the training effect is improved, and the rotary effect of, meanwhile, the rotating strength can be increased or reduced by changing the rotating speed of the variable speed motor 41, and the ball rotating devices 4 at two different positions can simulate various rotating angles, so that the comprehensiveness of the training is ensured.
The power hammer box 2 is internally provided with a pulse rotating rod 21 which is coaxially arranged with the power hammer box and is rotationally connected with the power hammer box, the pulse rotating rod 21 is in transmission connection with a pulse motor positioned in the base 1, the pulse rotating rod 21 returns after performing intermittent unidirectional rotation under the action of the pulse motor, a power hammer 22 and a pull rod 23 are fixed on the pulse rotating rod 21, the power hammer 22 is L-shaped, when a table tennis ball enters the service barrel 3, the power hammer 22 is driven to rotate by the pulse rotating rod 21, and the table tennis ball is impacted by the front end of the power hammer 22 to obtain an acceleration and then is flushed out along the service barrel 3; a positioning device 32 is arranged at the bottom part in the service barrel 3, close to the open cavity 31, and the positioning device 32 is used for temporarily fixing the table tennis ball so as to facilitate the power hammer 22 to knock the table tennis ball; the positioning device 32 comprises a spring groove 34 formed in the inner bottom surface of the service cylinder 3, a rotary baffle 35 rotatably connected with the edge of a groove body of the spring groove 34 is arranged in the spring groove 34, a return spring 36 connected with the bottom of the groove body of the spring groove 34 is arranged at the bottom of the rotary baffle 35, a pull wire 37 extending into the power hammer box 2 and connected with the pull rod 23 is arranged at the top end of the rotary baffle 35, when the power hammer 22 rotates and is connected with a table tennis ball, the pull rod 23 synchronously rotates to pull the rotary baffle 35 downwards through the pull wire 37, so that the blocking of the table tennis ball by the rotary baffle 35 is avoided, when the power hammer 22 rotates downwards, the pull wire 37 releases the rotary baffle 35 lifted through the return spring 36 to lift the rotary baffle 35, the table tennis ball entering the next round is blocked, the table tennis ball is kept relatively fixed, and the situation that the table tennis ball cannot be; specifically, the upper surface of the rotating baffle 35 is arc-shaped and is more attached to the surface of the table tennis ball, so that the fixing effect is improved.
Example 2:
referring to fig. 4 and 5, the difference from embodiment 1 is that, in order to ensure the quantitative single entry of the table tennis balls and avoid the influence of the single entry of a plurality of table tennis balls into the serving barrel 3, the conveying box 5 includes a box body 51, and a low-speed motor 52 is disposed at the center of the inner top surface of the box body 51, the box body 51 is cylindrical, a rotating shaft 53 is connected to the output end of the low-speed motor 52, an opening disc 54 is fixed at the lower end of the rotating shaft 53 and is in sliding connection with the bottom surface of the box body 51, a quantitative opening 55 is disposed on the opening disc 54, a ball inlet 33 connected to the inside of the box body 51 is disposed at the top of the serving barrel 3, the ball inlet 33 is located right above the positioning device 32, when the table tennis balls are stored in the box body 51, the low-speed motor 52 drives the rotating shaft 53 to drive the opening disc 54 to rotate, when the quantitative opening 55 is aligned with the ball inlet 33, the balls enter the serving barrel 3 along the quantitative opening 55 and the, because the low-speed motor 52 rotates continuously, the quantitative opening 55 and the ball inlet 33 are staggered after a single table tennis ball enters, so that the entering of a plurality of table tennis balls is avoided, and the intermittent continuous effect of serving is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. An automatic rotary ball serving device for table tennis training comprises a base (1), a power hammer box (2) arranged on the base (1), a serving barrel (3) arranged above the power hammer box (2) and communicated with the power hammer box (2), and a conveying box (5) fixed on the serving barrel (3), wherein an open cavity (31) is formed in the bottom of the serving barrel (3) and communicated with the interior of the power hammer box (2), the power hammer box (2) and the serving barrel (3) are cylindrical and vertically arranged, the front side surface of the serving barrel (3) is of an open structure, the automatic rotary ball serving device is characterized in that two rotary ball devices (4) are arranged on the front side of the outer wall of the serving barrel (3), each rotary ball device (4) comprises a device body, a variable speed motor (41) is fixed in the device body, a half bevel gear (42) is arranged at the output end of the variable speed motor (41), and a disc (44) vertically arranged with an output shaft of a variable speed motor (41) is further arranged in the device body, the disc driving rod (44) is rotatably connected with the device body, one end of the disc driving rod extends out of the device body, a rotary spherical disc (43) is fixed on the disc driving rod (44), a first bevel gear (45) and a second bevel gear (46) which are respectively positioned on two sides of the half bevel gear (42) are sleeved on the disc driving rod (44), and the half bevel gear (42) is intermittently meshed with the first bevel gear (45) and the second bevel gear (46).
2. An autonomous rotary ball serving device for table tennis training according to claim 1, characterized in that the two ball spinners (4) are located on the top and side of the serving barrel (3), respectively.
3. The self-help spin service device for table tennis training according to claim 1, wherein the spin plate (43) is covered with a rubber cover (431) on its side.
4. The self-rotary ball serving device for table tennis training according to claim 1, 2 or 3, wherein the power hammer box (2) is internally provided with a pulse rotary rod (21) which is coaxially arranged with the power hammer box and is rotatably connected with the power hammer box, the pulse rotary rod (21) is in transmission connection with a pulse motor positioned in the base (1), a power hammer (22) and a pull rod (23) are fixed on the pulse rotary rod (21), and the power hammer (22) is L-shaped; a positioning device (32) is arranged at the bottom in the pitching barrel (3) and close to the open cavity (31).
5. The automatic rotary ball serving device for table tennis training according to claim 4, wherein the positioning device (32) comprises a spring groove (34) formed in the inner bottom surface of the serving barrel (3), a rotary baffle (35) rotatably connected with the edge of the groove body is arranged in the spring groove (34), a return spring (36) connected with the bottom of the groove body of the spring groove (34) is arranged at the bottom of the rotary baffle (35), and a pull wire (37) extending into the power hammer box (2) and connected with the pull rod (23) is arranged at the top end of the rotary baffle (35).
6. The self-rotary ball serving device for table tennis training according to claim 5, wherein the upper surface of the rotary baffle (35) is arc-shaped.
7. The self-rotary ball serving device for table tennis training according to claim 1, 2 or 3, wherein the conveying box (5) comprises a box body (51), a low-speed motor (52) is arranged in the center of the inner top surface of the box body (51), the box body (51) is cylindrical, a rotating shaft (53) is connected to the output end of the low-speed motor (52), an opening disc (54) which is attached to the bottom surface of the box body (51) and connected with the bottom surface in a sliding mode is fixed to the lower end of the rotating shaft (53), a quantitative opening (55) is formed in the opening disc (54), a ball inlet (33) connected with the inside of the box body (51) is formed in the top of the ball serving barrel (3), and the ball inlet (33) is located right above the positioning device (32).
8. The self-propelled rotary ball serving device for table tennis training of claim 7, wherein the quantitative opening (55) has a frustum section and a cylindrical section, the frustum section and the cylindrical section are butted, and the frustum section is positioned above the cylindrical section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552059.6A CN109568917B (en) | 2018-12-19 | 2018-12-19 | Self-rotation ball serving device for table tennis training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552059.6A CN109568917B (en) | 2018-12-19 | 2018-12-19 | Self-rotation ball serving device for table tennis training |
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| Publication Number | Publication Date |
|---|---|
| CN109568917A CN109568917A (en) | 2019-04-05 |
| CN109568917B true CN109568917B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811552059.6A Active CN109568917B (en) | 2018-12-19 | 2018-12-19 | Self-rotation ball serving device for table tennis training |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113648634B (en) * | 2021-09-09 | 2022-05-17 | 重庆工商大学 | Shuttlecock service electric machine |
| CN113769358A (en) * | 2021-09-13 | 2021-12-10 | 广州双鱼体育用品集团有限公司 | Table tennis serving device and judge stand with same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6305366B1 (en) * | 1999-10-27 | 2001-10-23 | Michael J. Rizzo | Softball/baseball training machine |
| CN205145557U (en) * | 2015-11-28 | 2016-04-13 | 许昌学院 | Device is launched in tennis training |
| CN206138702U (en) * | 2016-09-27 | 2017-05-03 | 深圳木头科技有限公司 | A apparatus for launching balls for football training |
| CN107349586A (en) * | 2017-08-21 | 2017-11-17 | 郑州大学 | A kind of tennis ball serving device for physical education training |
| CN107485839A (en) * | 2017-08-17 | 2017-12-19 | 田岗 | A kind of service robot for physical education training |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6339154B2 (en) * | 2015-12-29 | 2018-06-06 | クラウドゲート コープ．Ｃｌｏｕｄｇａｔｅ Ｃｏｒｐ． | Ball pitching device |
-
2018
- 2018-12-19 CN CN201811552059.6A patent/CN109568917B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6305366B1 (en) * | 1999-10-27 | 2001-10-23 | Michael J. Rizzo | Softball/baseball training machine |
| CN205145557U (en) * | 2015-11-28 | 2016-04-13 | 许昌学院 | Device is launched in tennis training |
| CN206138702U (en) * | 2016-09-27 | 2017-05-03 | 深圳木头科技有限公司 | A apparatus for launching balls for football training |
| CN107485839A (en) * | 2017-08-17 | 2017-12-19 | 田岗 | A kind of service robot for physical education training |
| CN107349586A (en) * | 2017-08-21 | 2017-11-17 | 郑州大学 | A kind of tennis ball serving device for physical education training |
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| CN109568917A (en) | 2019-04-05 |
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