CN115212535A - Automatic ball-serving speed monitoring system of table tennis service robot - Google Patents
Automatic ball-serving speed monitoring system of table tennis service robot Download PDFInfo
- Publication number
- CN115212535A CN115212535A CN202210676831.5A CN202210676831A CN115212535A CN 115212535 A CN115212535 A CN 115212535A CN 202210676831 A CN202210676831 A CN 202210676831A CN 115212535 A CN115212535 A CN 115212535A
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- Prior art keywords
- cavity
- ball
- push rod
- serving
- table tennis
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- 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
- A63B69/407—Stationarily-arranged devices for projecting balls or other bodies with spring-loaded propelling means
-
- 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
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Manipulator (AREA)
Abstract
The invention relates to an automatic monitoring system for the ball-out speed of a table tennis ball-serving machine, which comprises: the device comprises a pitching cavity, a movable assembly and a speed detection assembly; the table tennis ball launching device comprises a table tennis serving cavity, a table tennis ball collecting cavity, a push rod, a stirring assembly and an elastic component, wherein the table tennis serving cavity is internally provided with the guide cavity, the ball collecting cavity, the push rod, the stirring assembly and the elastic component are connected, the stirring assembly is connected with the push rod and drives the push rod to move towards a direction far away from the guide cavity, the elastic component is connected with the push rod and brings a force for the push rod to move towards the guide cavity, and the stirring assembly and the elastic component sequentially drive the push rod to horizontally slide back and forth and launch a table tennis ball out of the guide cavity; the movable assembly comprises a support, a first connecting rod, a second connecting rod and a connecting plate, and the speed detection assembly is arranged on the balling cavity. The invention provides an automatic monitoring system for the ball outlet speed of a table tennis ball serving machine, which can increase the table tennis training difficulty for a user and can realize scientific training.
Description
Technical Field
The invention relates to table tennis, in particular to an automatic monitoring system for the ball-discharging speed of a table tennis service robot.
Background
The good performance that table tennis sportsman can get in the match is inseparable with daily training, and normally the sportsman is in the training, and basically all lean on two people to practice training mutually, because both sides strength is different, make the good sportsman of technique not reach the training effect of demand, and need both sides have time, lead to the time inefficacy, in order better to master service or receive the ball need make record and research to the speed of the ball of service during the training, this needs a table tennis service robot ball-out speed automatic check out system.
Disclosure of Invention
The invention mainly aims to provide an automatic ball-serving speed monitoring system of a table tennis serving machine, which can increase the table tennis training difficulty for a user and can realize scientific training.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a table tennis service robot ball-out speed automatic monitoring system, includes: the device comprises a pitching cavity, a movable assembly and a speed detection assembly;
a guide cavity, a ball collecting cavity, a push rod, a poking component and an elastic component are arranged in the service cavity,
the guide cavity is horizontally arranged on the side wall of the service cavity and is communicated with the outside, the top of the guide cavity is provided with a ball inlet for table tennis to pass through, the ball collecting cavity is arranged in the service cavity, the bottom of the ball collecting cavity is connected with the ball inlet, the push rod is positioned in the extending direction of the guide cavity, one end of the push rod is slidably arranged in the guide cavity,
the poking component is connected with the push rod to drive the push rod to move in the direction far away from the guide cavity,
the elastic component is connected with the push rod and brings the push rod with the force of moving to the guide cavity,
the poking component and the elastic part sequentially drive the push rod to horizontally slide in a reciprocating manner, and the table tennis ball is launched out of the guide cavity;
the movable component comprises a support, a first connecting rod, a second connecting rod and a connecting plate,
the support is connected with the service cavity, the service cavity is arranged on the support in a sliding manner, one end of the first connecting rod is hinged to the service cavity, the other end of the first connecting rod is hinged to one end of the second connecting rod, the other end of the second connecting rod is hinged to the support through the connecting plate, the connecting plate is arranged on the support, and the other end of the second connecting rod is hinged to the connecting plate;
the speed detection assembly is arranged on the ball-serving cavity.
Further, stir the subassembly and include incomplete gear and rack, the rack setting is on the push rod, and incomplete gear unidirectional rotation sets up at the service cavity, and incomplete gear sets up with the rack meshing, and when incomplete gear and rack meshing, incomplete gear drives the rack and removes to the direction of keeping away from the direction chamber.
Furthermore, the elastic component is a spring, one end of the spring is fixedly arranged on the push rod through a baffle, the baffle is fixedly arranged on the push rod, and one end of the spring is connected with the baffle;
the other end of the spring is connected with the service cavity through a guide ring, the guide ring is sleeved outside the push rod and fixedly arranged in the service cavity, and the other end of the spring is connected with the guide ring.
Further, the movable component also comprises a motor reducer, a first gear and a second gear,
the motor speed reducer is arranged in the service cavity, the first gear is rotationally arranged outside the service cavity, and the motor speed reducer is connected with the first gear;
the first connecting rod is arranged on the ball serving cavity through the second gear, the first connecting rod is fixedly arranged on the second gear, the second gear is rotatably arranged on the outer side wall of the ball serving cavity, and the second gear is meshed with the first gear.
Furthermore, the support comprises a slide rail, a slide block is arranged on the service cavity, the slide block is correspondingly arranged on the slide rail in a sliding mode, one end of a first connecting rod is arranged on the service cavity through the slide block, one end of the first connecting rod is hinged to the slide block, and the slide block is fixedly arranged on the service cavity.
Furthermore, two ends of the connecting plate are respectively fixedly connected with two ends of the support.
The beneficial effects of the invention are as follows:
the invention has simple structure, and the arrangement of the poking component and the elastic component can ensure the continuous launching of the table tennis balls. The setting up of head rod and second connecting rod makes the service chamber can slide, and the setting up of connecting plate does not influence the activity of head rod and second connecting rod, guarantees the slip in service chamber, increases the service degree of difficulty, improves service robot user's table tennis level.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the spring of the present invention in its compressed configuration;
FIG. 2 is a schematic structural view of the push rod ejecting the table tennis ball according to the present invention;
fig. 3 is a schematic structural view of the movable assembly.
Description of the reference numerals
1. A ball serving cavity; 21. a support; 211. a slide rail; 212. a slider; 20. a first connecting rod; 22. a second connecting rod; 23. a connecting plate; 24. a motor reducer; 25. a first gear; 26. a second gear; 3. a speed detection component; 4. a guide cavity; 41. a ball inlet; 5. a ball collecting cavity; 6. a push rod; 71. an incomplete gear; 72. a rack; 8. an elastic member; 81. a baffle plate; 82. a guide ring.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to the drawings in the embodiments of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-3, an automatic monitoring system for ball-serving speed of table tennis service robot comprises: the device comprises a pitching cavity 1, a movable assembly and a speed detection assembly 3;
a guide cavity 4, a ball collecting cavity 5, a push rod 6, a poking component and an elastic component 8 are arranged in the ball serving cavity 1,
the guide cavity 4 can be a cylinder, and the inner diameter of the guide cavity 4 can only contain a table tennis ball, the guide cavity 4 is horizontally arranged on the right side wall of the service cavity 1, and the right end of the guide cavity 4 is communicated with the outside, so that the table tennis ball can be conveniently launched, the top of the guide cavity 4 is provided with a ball inlet 41 for a table tennis ball to pass through, the ball collecting cavity 5 is arranged in the service cavity 1, the bottom of the ball collecting cavity 5 is connected with the ball inlet 41, in practical use, a section of buffer cavity can be arranged between the ball collecting cavity 5 and the service cavity 1, the buffer cavity is also a cylinder, the buffer cavity is vertically arranged, the inner diameter of the buffer cavity can only contain a table tennis ball, the length of the buffer cavity can contain a plurality of table tennis balls, the push rod 6 is positioned in the extending direction of the guide cavity 4, as shown in fig. 1 and 2, the push rod 6 is positioned on the left side of the guide cavity 4, one end of the push rod 6 can be slidably arranged in the guide cavity 4, namely, when the push rod 6 slides rightmost in the guide cavity, the right end of the push rod 6 can be in contact with the right end of the guide cavity, and the push rod 6, and the guide cavity 41.
The toggle assembly is connected with the push rod 6, and drives the push rod 6 to move towards the direction far away from the guide cavity 4, namely, the push rod 6 is driven to slide leftwards.
The elastic component 8 is connected with the push rod 6 and the service cavity 1, and brings a force for the push rod 6 to move towards the guide cavity 4, namely brings a right elastic force to the push rod 6, so that the push rod 6 can launch the table tennis in the guide groove.
The toggle assembly and the elastic part 8 sequentially drive the push rod 6 to horizontally slide back and forth, and the table tennis is launched out from the guide cavity 4; the poking component drives the push rod 6 to move leftwards, the elastic component 8 drives the push rod 6 to move rightwards, and the ping-pong balls can be ejected continuously by reciprocating left and right. The elastic component 8 is connected with the service cavity 1, so that the push rod 6 can be prevented from being ejected out of the service cavity 1 under the action of the elastic component 8, and the sliding track of the push rod 6 can be limited by connecting the elastic component 8 with the service cavity 1.
The movable assembly comprises a support 21, a first connecting rod 20, a second connecting rod 22 and a connecting plate 23,
the support 21 is connected with the service cavity 1, the service cavity 1 is slidably arranged on the support 21, one end of a first connecting rod 20 is hinged to the service cavity 1, the other end of the first connecting rod is hinged to one end of a second connecting rod 22, the other end of the second connecting rod 22 is hinged to the support 21 through a connecting plate 23, the connecting plate 23 is arranged on the support 21, the other end of the second connecting rod 22 is hinged to the connecting plate 23, two ends of the connecting plate 23 are fixedly connected with two ends of the support 21 respectively, and the arrangement of the connecting plate 23 does not affect the movement of the first connecting rod 20 and the second connecting rod 22;
the first connecting rod 20 rotates along the point connected with the service cavity 1 as an axis to drive the second connecting rod 22 to rotate, the rotating axis is the joint of the second connecting rod 22 and the connecting plate 23, the first connecting rod 20 and the second connecting rod 22 can drive the service cavity 1 to slide, the service point of the table tennis is unfixed, the service difficulty of the table tennis service machine can be enhanced, and the exercise intensity of a user of the table tennis service machine is improved.
The speed detection component 3 is arranged on the service cavity 1, and the speed detection component 3 can be any device for realizing the speed detection of the table tennis in the prior art, which is not an innovation point of the invention and is not described herein. The speed detection component 3 can display the speed of the table tennis ball when the table tennis ball is sent out, and more accurate training of a user is facilitated.
Further, the toggle assembly comprises an incomplete gear 71 and a rack 72, the incomplete gear 71 is less than one circle of gear teeth on the gear, and there are 5 gear teeth on the gear, the rack 72 is disposed on the push rod 6, the incomplete gear 71 is disposed in the ball-serving chamber 1 in a unidirectional rotation manner, in fig. 1 and 2, the incomplete gear 71 always keeps rotating counterclockwise, the incomplete gear 71 is disposed in engagement with the rack 72, when the incomplete gear 71 is engaged with the rack 72, that is, when the gear teeth of the incomplete gear 71 are located above, the incomplete gear 71 drives the rack 72 to move away from the guide chamber 4, that is, the push rod 6 is driven to move leftward, and when the part of the incomplete gear 71 without the gear teeth is closest to the push rod 6, that is, when the part of the incomplete gear 71 without the gear teeth is located above, the push rod 6 is driven by the elastic component 8 to move rightward the table tennis. In actual use, the incomplete gear 71 can be driven to rotate by the motor.
Furthermore, the elastic component 8 is a spring, one end of the spring is fixedly arranged on the push rod 6 through a baffle 81, the baffle 81 is fixedly arranged on the push rod 6, and one end of the spring is connected with the baffle 81;
the other end of the spring is connected with the service cavity 1 through a guide ring 82, the guide ring 82 is sleeved on the outer side of the push rod 6 and is fixedly arranged in the service cavity 1, and the other end of the spring is connected with the guide ring 82.
When the push rod 6 moves to the leftmost end, the spring is compressed to the maximum elastic potential energy until the gear on the incomplete gear 71 is not meshed with the rack 72, and the spring drives the push rod 6 to move rightwards to eject the table tennis.
Further, the movable assembly comprises a motor reducer 24, a first gear 25 and a second gear 26,
the motor speed reducer 24 is arranged in the service cavity 1, the first gear 25 is rotatably arranged at the lower part outside the left side wall of the service cavity 1, and the motor speed reducer 24 is connected with the first gear 25 to drive the first gear 25 to rotate;
the first connecting rod 20 is arranged on the ball cavity 1 through a second gear 26, the first connecting rod 20 is fixedly arranged on the second gear 26, the second gear 26 is rotatably arranged on the outer side wall of the ball cavity 1, and the second gear 26 is meshed with the first gear 25.
The motor reducer 24 drives the first gear 25 to rotate, the first gear 25 drives the second gear 26 to rotate, and the second gear 26 can drive the first connecting rod 20 to rotate.
Further, the support 21 includes a slide rail 211, a slide block 212 is arranged below the serving cavity 1 on the serving cavity 1, the slide block 212 is correspondingly slidably arranged on the slide rail 211, the length direction of the slide rail 211 is perpendicular to the length direction of the push rod 6, one end of the first connecting rod 20 is arranged on the serving cavity 1 through the slide block 212, one end of the first connecting rod 20 is hinged to the slide block 212, and the slide block 212 is fixedly arranged on the serving cavity 1. The sliding direction of the pitching machine can be kept consistent by arranging the sliding block 212 and the sliding rail 211, and deviation is avoided.
When the table tennis table is used, the table tennis table is placed on a table tennis table, the serving cavity 1 is used for launching table tennis, and the movable assembly is used for driving the serving cavity 1 to slide back and forth, so that a serving point is changed, and the table tennis training difficulty is increased.
While the foregoing is directed to the preferred embodiment of the present invention, it is understood that the present invention may be embodied in only some of these specific forms, rather than in all of these specific forms. 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.
Claims (6)
1. The utility model provides a table tennis service robot ball-out speed automatic monitoring system which characterized in that includes: the device comprises a pitching cavity (1), a movable assembly and a speed detection assembly (3);
a guide cavity (4), a ball collecting cavity (5), a push rod (6), a shifting component and an elastic component (8) are arranged in the ball serving cavity (1),
the guide cavity (4) is horizontally arranged on the side wall of the serving cavity (1), the guide cavity (4) is communicated with the outside, the top of the guide cavity (4) is provided with a ball inlet (41) for a table tennis ball to pass through, the ball collecting cavity (5) is arranged in the serving cavity (1), the bottom of the ball collecting cavity (5) is connected with the ball inlet (41), the push rod (6) is positioned in the extending direction of the guide cavity (4), one end of the push rod (6) is arranged in the guide cavity (4) in a sliding way,
the toggle component is connected with the push rod (6) to drive the push rod (6) to move towards the direction far away from the guide cavity (4),
the elastic part (8) is connected with the push rod (6) and brings the push rod (6) to move towards the guide cavity (4),
the poking component and the elastic component (8) sequentially drive the push rod (6) to horizontally slide back and forth, and the table tennis balls are launched out of the guide cavity (4);
the movable component comprises a support (21), a first connecting rod (20), a second connecting rod (22) and a connecting plate (23),
the support (21) is connected with the service cavity (1), the service cavity (1) is arranged on the support (21) in a sliding mode, one end of the first connecting rod (20) is hinged to the service cavity (1), the other end of the first connecting rod is hinged to one end of the second connecting rod (22), the other end of the second connecting rod (22) is hinged to the support (21) through the connecting plate (23), the connecting plate (23) is arranged on the support (21), and the other end of the second connecting rod (22) is hinged to the connecting plate (23);
the speed detection component (3) is arranged on the serving cavity (1).
2. The automatic ball-serving speed monitoring system for the table tennis ball-serving machine according to claim 1, characterized in that the toggle assembly comprises an incomplete gear (71) and a rack (72), the rack (72) is arranged on the push rod (6), the incomplete gear (71) is arranged in the ball-serving chamber (1) in a unidirectional rotation manner, the incomplete gear (71) is arranged in a meshing manner with the rack (72), and when the incomplete gear (71) is meshed with the rack (72), the incomplete gear (71) drives the rack (72) to move in a direction away from the guide chamber (4).
3. The system for automatically monitoring the ball discharging speed of the table tennis serving machine according to claim 1, wherein the elastic member (8) is a spring, one end of the spring is fixedly arranged on the push rod (6) through a baffle (81), the baffle (81) is fixedly arranged on the push rod (6), and one end of the spring is connected with the baffle (81);
the other end of the spring is connected with the ball serving cavity (1) through a guide ring (82), the guide ring (82) is sleeved on the outer side of the push rod (6) and is fixedly arranged in the ball serving cavity (1), and the other end of the spring is connected with the guide ring (82).
4. The system for automatically monitoring the ball-discharging speed of a table tennis serving machine according to claim 1, wherein the movable assembly further comprises a motor reducer (24), a first gear (25) and a second gear (26),
the motor speed reducer (24) is arranged in the service cavity (1), the first gear (25) is rotatably arranged outside the service cavity (1), and the motor speed reducer (24) is connected with the first gear (25);
the first connecting rod (20) is arranged on the ball serving cavity (1) through the second gear (26), the first connecting rod (20) is fixedly arranged on the second gear (26), the second gear (26) is rotatably arranged on the outer side wall of the ball serving cavity (1), and the second gear (26) is meshed with the first gear (25).
5. The automatic ball-serving speed monitoring system of table tennis serving machine according to claim 1, characterized in that the support (21) comprises a slide rail (211), a slide block (212) is disposed on the serving cavity (1), the slide block (212) is correspondingly slidably disposed on the slide rail (211), one end of the first connecting rod (20) is disposed on the serving cavity (1) through the slide block (212), one end of the first connecting rod (20) is hingedly disposed on the slide block (212), and the slide block (212) is fixedly disposed on the serving cavity (1).
6. The system for automatically monitoring the ball discharge speed of a table tennis serving machine according to claim 1, wherein both ends of the connecting plate (23) are fixedly connected to both ends of the support (21), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210676831.5A CN115212535A (en) | 2022-06-16 | 2022-06-16 | Automatic ball-serving speed monitoring system of table tennis service robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210676831.5A CN115212535A (en) | 2022-06-16 | 2022-06-16 | Automatic ball-serving speed monitoring system of table tennis service robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115212535A true CN115212535A (en) | 2022-10-21 |
Family
ID=83608148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210676831.5A Withdrawn CN115212535A (en) | 2022-06-16 | 2022-06-16 | Automatic ball-serving speed monitoring system of table tennis service robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115212535A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116196598A (en) * | 2023-03-30 | 2023-06-02 | 付饶 | Single-motor portable multifunctional tennis service robot |
-
2022
- 2022-06-16 CN CN202210676831.5A patent/CN115212535A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116196598A (en) * | 2023-03-30 | 2023-06-02 | 付饶 | Single-motor portable multifunctional tennis service robot |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20221021 |
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| WW01 | Invention patent application withdrawn after publication |