CN212680034U - Multi-functional firing equipment for football training - Google Patents

Multi-functional firing equipment for football training Download PDF

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Publication number
CN212680034U
CN212680034U CN202021549750.1U CN202021549750U CN212680034U CN 212680034 U CN212680034 U CN 212680034U CN 202021549750 U CN202021549750 U CN 202021549750U CN 212680034 U CN212680034 U CN 212680034U
Authority
CN
China
Prior art keywords
launching tube
launching
ball
football
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021549750.1U
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Chinese (zh)
Inventor
周通
徐露元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xu Luyuan
Original Assignee
Xu Luyuan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xu Luyuan filed Critical Xu Luyuan
Priority to CN202021549750.1U priority Critical patent/CN212680034U/en
Application granted granted Critical
Publication of CN212680034U publication Critical patent/CN212680034U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a multi-functional firing equipment for football training, which comprises a mounting bracket, the lower lateral wall top of mounting bracket is rotated and is connected with the mount pad, it is connected with the launching tube to rotate on the mount pad, and mount pad and launching tube are driven by two regulating motor respectively, there is the push pedal inside of launching tube through launching spring coupling, and the push pedal is through the controllable tripping device and the screw rod activity joint that its inside was installed, the screw rod is by holding power motor drive, the middle part of mount pad just is located and is equipped with the funnel that is used for catching the ball on the launching tube, spiral helicine storage ball track is installed to the top of funnel and the last lateral wall that is located the mounting bracket, and storage ball track lower extreme runs through the mounting bracket and is connected with the mechanism of dialling the football whereabouts that is used for controlling, the transmission angle and the dynamics of football.

Description

Multi-functional firing equipment for football training
Technical Field
The utility model relates to a football training technical field specifically is a multi-functional firing equipment for football training.
Background
Football can be the most popular collective sport currently enjoyed by people, and a plurality of amateur and professional athletes are engaged in the sport. Except physical training, catching, stopping, putting, heading, etc. all are the conventional content that has the ball training in the football training, often need to relapse training many times in order to improve above-mentioned skill, adopt artifical throwing ball under the general condition, but angle, dynamics at every turn all do not control like this, influence the training effect.
Therefore, the utility model provides a multi-functional firing equipment for football training.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multi-functional for football training firing equipment to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional transmission equipment for football training, includes the mounting bracket, the lower lateral wall top of mounting bracket is rotated and is connected with the mount pad, rotates on the mount pad and is connected with the launching tube, and mount pad and launching tube are driven by two accommodate motor respectively, there is the push pedal inside of launching tube through launching spring coupling, and the push pedal is through the controllable tripping device and the screw rod activity joint that its inside was installed, the screw rod is by holding power motor drive, the middle part of mount pad just is located and is equipped with the funnel that is used for connecing the ball on the launching tube, spiral helicine ball storage track is installed to the top of funnel and the last lateral wall that is located the mounting bracket, and ball storage track lower extreme runs through the mounting bracket and is connected with the mechanism.
Preferably, the tripping mechanism comprises a steering engine, the steering engine is arranged in a cavity formed in the push plate, a rack is fixedly connected to an output rod of the steering engine, the rack is meshed with a gear shaft rotatably connected to the cavity, the inner end of the gear shaft penetrates through the cavity and extends to the inside of the slot, a clamping plate is fixedly connected to the inner end of the gear shaft, and a bayonet matched with the clamping plate is formed in the screw rod;
and touch switches for controlling the steering engine are arranged on the side wall of the launching tube and inside the slot.
Preferably, the both sides of push pedal are equipped with the stopper, it has corresponding spacing groove to open on the inside wall of launch canister, and is connected with the buffer board through buffer spring on the outer end cell wall of spacing groove.
Preferably, the ball pushing mechanism comprises a driving shaft, the driving shaft is rotatably connected to the side wall of the ball storage rail and provided with through grooves, four ball pushing plates are uniformly arranged on the driving shaft, and one end of the driving shaft penetrates through the ball storage rail and is connected with a motor shaft of the ball pushing motor through a shifting fork mechanism.
Preferably, the inner side wall of the launching tube is fixedly connected with fixing blocks on two sides of the screw rod, and grooves matched with the fixing blocks are formed in the screw rod.
Preferably, the outer side of the launching tube is connected with a sliding block in a sliding mode, a stud is hinged to the sliding block and connected with a threaded sleeve in the arc groove in a sliding mode in a meshed mode, and the threaded sleeve is connected with a motor shaft of the corresponding adjusting motor in a connected mode.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cooperation between mount pad and the launching tube has realized adjusting the horizontal angle and the vertical angle of launching tube to can make the football produce different flight routes, this device can compress the degree dropout of difference at the launching spring through control unhook mechanism moreover, thereby can control the transmission dynamics of football, and the transmission angle and the dynamics to the football that this device can be fine are adjusted, thereby can reach better training effect.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the connection between the driving shaft and the ball-pushing motor of the present invention;
FIG. 5 is a schematic view of the connection between the ball striking plate and the driving shaft of the present invention;
FIG. 6 is a schematic view of the connection between the fixing block and the groove of the present invention;
FIG. 7 is a schematic structural view of the launch canister of the present invention;
fig. 8 is an enlarged view of fig. 7 at B according to the present invention;
fig. 9 is a schematic view of the internal structure of the cavity of the present invention;
FIG. 10 is an exploded view of the screw and the slot of the present invention;
FIG. 11 is a schematic view of the internal structure of the slot of the present invention;
fig. 12 is a schematic view of the internal structure of the limiting groove of the present invention.
In the figure: 1. mounting bracket, 2, mounting base, 3, launching tube, 4, adjusting motor, 5, launching spring, 6, push plate, 7, screw rod, 8, power storage motor, 9, funnel, 10, ball storage track, 11, steering engine, 12, cavity, 13, rack, 14, gear shaft, 15, slot, 16, snap-gauge, 17, bayonet, 18, touch switch, 19, stopper, 20, limit groove, 21, buffer spring, 22, buffer plate, 23, drive shaft, 24, ball-poking plate, 25, ball-poking motor, 26, fixed block, 27, groove, 28, inner cavity, 29, input gear, 30, output gear, 31, indicator plate, 32, slider, 33, stud, 34, arc groove, 35, swivel nut, 36 and mounting post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-12, the present invention provides a technical solution: a multifunctional football training launcher comprises a mounting frame 1, a mounting seat 2 is rotatably connected above the lower side wall of the mounting frame 1, a launching tube 3 is rotatably connected on the mounting seat 2, the initial state of the launching tube 3 is a state with an opening slightly upward, a football entering the launching tube 3 can be prevented from sliding out of the launching tube 3, rotating shafts are fixedly connected on two sides of the launching tube 3 and rotatably connected with the mounting seat 2, a notch is formed in the lower side wall of the rear end of the mounting frame 1 and can give an abdicating position to the launching tube 3 when the vertical angle of the launching tube 3 is adjusted, so that the launching tube 3 can be better adjusted, the mounting seat 2 and the launching tube 3 are respectively driven by two adjusting motors 4, an inner cavity 28 is formed in the lower side wall of the mounting frame 1, an adjusting motor 4 is installed in the inner cavity 28, another adjusting motor 4 is installed on the upper side wall of the mounting frame 1, the adjusting motor 4 positioned on the upper side wall of the mounting frame 1 is connected with the launching tube 3, the adjusting motor 4 in the inner cavity 28 is connected with the mounting seat 2 through a gear set (the gear set is formed by mutually meshing and connecting an input gear 29 and an output gear 30, the input gear 29 in the gear set connected with the mounting seat 2 is connected with the corresponding adjusting motor 4, the output gear 30 is connected with the mounting seat 2 through a transmission shaft, the size of the input gear 29 is smaller than that of the output gear 30, the speed reduction effect can be achieved, the adjusting angle is more accurate), the interior of the launching tube 3 is connected with a push plate 6 through a launching spring 5, two ends of the launching spring 5 are respectively fixedly connected with the inner side wall of the launching tube 3 and the push plate 6, the push plate 6 is movably clamped with a screw 7 through a controllable tripping mechanism arranged in the interior of the push plate 6, the screw 7 is driven by a, the power storage motor 8 is arranged on a motor base which is fixedly connected on the launching tube 3, the power storage motor 8 also drives the screw 7 to move through a gear set, an input gear 29 in the gear set which is connected with the power storage motor 8 is connected with a motor shaft of the power storage motor 8, an output gear 30 is meshed with the screw 7, so that the screw 7 can drive the push plate 6 to overcome the elasticity of the launching spring 5 and slide towards the inside of the launching tube 3, the launching spring 5 can be released at different compression degrees through a release mechanism to enable the screw 7 and the push plate 6 to be separated from clamping connection, the push plate 6 can be controlled to push the football out from the inside of the launching tube 3 with different force, a funnel 9 for receiving the football is arranged in the middle of the mounting base 2 and positioned on the launching tube 3, the funnel 9 is communicated with the launching tube 3, the football entering the inside of the funnel 9 can enter the inside of the launching tube 3, and the funnel 9 can enable the football to better enter the inside, spiral helicine storage ball track 10 is installed to the top of funnel 9 and the last lateral wall that is located mounting bracket 1, storage ball track 10 twines on erection column 36, erection column 36 fixed connection is on the last side of mounting bracket 1, can leave a plurality of football in on storage ball track 10, and storage ball track 10 lower extreme runs through mounting bracket 1 and is connected with the mechanism of dialling the football that is used for controlling the football whereabouts, dial the inside that funnel 9 was fallen one by one to the inside of funnel 9 that can control the inside football of storage ball track 10, thereby get into the inside of launching tube 3.
Specifically, the tripping mechanism comprises a steering engine 11, the steering engine 11 is installed in a cavity 12 formed in the push plate 6, a conductive column is connected to the steering engine 11, the conductive column penetrates through the push plate 6 and is movably connected with a conductive strip installed in the launch barrel 3, the conductive column and the conductive strip can form a stable connection in a brush form when the push plate 6 slides, so that the steering engine 11 is electrically connected, a rack 13 is fixedly connected to an output rod of the steering engine 11, the rack 13 is meshed with a gear shaft 14 rotatably connected to the cavity 12, the inner end of the gear shaft 14 penetrates through the cavity 12 and extends to the inside of a slot 15, and is fixedly connected with a clamping plate 16, the output rod of the steering engine 11 drives the rack 13 to stretch, so that the clamping plate 16 can be driven by the gear shaft 14 to rotate, the length of the rack 13 driven by the steering engine 11 can enable the rotating plate 16 to rotate 90 degrees, a bayonet 17 matched with the clamping plate 16 is formed in the screw 7, the opening of the bayonet 17 is matched with the clamping plate 16 (the clamping plate 16 can be inserted into the bayonet 17), the inside of the bayonet 17 is circular, the diameter of the bayonet 17 is larger than the length of the clamping plate 16, the clamping plate 16 can rotate freely in the horizontal direction in the clamping plate 17, the clamping plate 16 and the bayonet 17 are clamped with each other when the angle of the clamping plate 16 is different from the angle of the opening of the bayonet 17, when the angle of the clamping plate 16 is aligned with the opening of the bayonet 17, the clamping plate 16 can be separated from the bayonet 17 to be clamped, the rotation of the clamping plate 16 can be controlled through the steering engine 11, and then whether the clamping plate 16 is clamped with the;
when the clamping plate 16 is clamped with the clamping opening 17, the screw 7 drives the push plate 6 to move together;
the side wall of the launching tube 3 and the inside of the slot 15 are both provided with touch switches 18 for controlling the steering engine 11, after the touch switches 18 on the side wall of the launching tube 3 are squeezed, the steering engine 11 drives the clamping plate 16 to rotate through the rack 13 and the gear shaft 14 so as to enable the clamping plate 16 to be separated from the bayonet 17 and clamped, and after the touch switches 18 in the slot 15 are squeezed, the steering engine 11 drives the clamping plate 16 to rotate through the rack 13 and the gear shaft 14 so as to enable the clamping plate 16 to be restored to the bayonet 17 and clamped (because the clamping plate 16 is inserted into the bayonet 17 when the touch switches 18 in the slot 15 are squeezed, the clamping plate 16 rotates and is clamped with the bayonet 17);
can be located the touch switch 18 on the launch canister 3 lateral wall through the slip and determine cardboard 16 and bayonet 17 break away from the joint in what position, thereby the dynamics of service is adjusted, touch switch 18 and the indicator panel 31 interconnect of sliding connection on the launch canister 3 lateral wall that are located on the launch canister 3 lateral wall (inside and touch switch 18 interconnect that indicator panel 31 extends to launch canister 3 through logical groove on the launch canister 3 lateral wall), and the side fixedly connected with pointer of going up of indicator panel 31, can confirm the dynamics according to the scale of launch canister 3 lateral surface (the initiating terminal of scale is close to the front end of launch canister 3, the rear end that the end is close to launch canister 3, the vertical starting terminal to the end constantly increase by the initiating terminal of scale, the one end that the launch canister 3 kept away from power storage motor 8 is the front end), the meshing is connected with the dead bolt of lock on the indicator panel 31 and is used for fixed position.
In order to enable the push plate 6 to slide in the launch barrel 3 more stably, a limiting block 19 and a limiting groove 20 are arranged, specifically, the limiting blocks 19 are arranged on two sides of the push plate 6, the corresponding limiting groove 20 is formed in the inner side wall of the launch barrel 3, the limiting block 19 slides in the limiting groove 20, so that the push plate 6 can only slide in the launch barrel 3, the outer end groove wall of the limiting groove 20 is connected with a buffering plate 22 through a buffering spring 21, the buffering spring 21 and the buffering plate 22 can play a buffering role in buffering the push plate 6 and the limiting block 19, and the hard contact between the push plate 6 and the groove wall of the limiting groove 20 and the damage caused by the hard contact can be avoided;
the touch switch 18 inside the launch barrel 3 is located inside the limit groove 20 and is pressed by the limit block 19.
Specifically, the ball pushing mechanism comprises a driving shaft 23, the driving shaft 23 is rotatably connected in a through groove formed in the side wall of the ball storage track 10, four ball pushing plates 24 are uniformly arranged on the driving shaft 23, the angle between the four ball pushing plates 24 is 90 degrees, (as shown in fig. 5) when the driving shaft 23 rotates clockwise one quarter of a turn, a football in the ball storage track 10 is pushed down to drop into the hopper 9, the height of the ball pushing plate 24 is equal to the diameter of the football, two adjacent footballs can be well separated when the football rotates, a damper is connected between the driving shaft 23 and the side wall of the ball storage track 10, the driving shaft 23 can not rotate freely under the effect of no external force, so that the ball pushing plate 24 can support the football thereon, the football can not drop freely, one end of the driving shaft 23 penetrates through the ball storage track 10 and is connected with a motor shaft of the ball pushing motor 25 through a shifting mechanism, the ball-poking motor 25 can rotate a quarter of a circle when rotating a circle of the driving shaft 23 through the arrangement of the shifting fork mechanism, the ball-poking motor 25 can adopt a stepping motor, the rotating angle of the ball-poking motor can be well controlled, and the ball-poking motor 25 is arranged on the upper side surface of the mounting frame 1;
the shifting fork mechanism is the prior art characteristic, and its structure and theory of operation also do not the utility model discloses a technical feature institute does not do the perusal at the time.
Particularly, on the inside wall of launch section of thick bamboo 3 and the equal fixedly connected with fixed block 26 in both sides of screw rod 7, it has the recess 27 with fixed block 26 looks adaptation to open on the screw rod 7, and the setting of fixed block 26 and recess 27 can make screw rod 7 only can make a round trip to slide in the inside of launch section of thick bamboo 3, can not rotate, makes the more stable motion of screw rod 7.
The adjusting motor 4 located on the upper side wall of the mounting frame 1 may drive the launch barrel 3 in a form that, specifically, the outer side of the launch barrel 3 is slidably connected with a slide block 32, a T-shaped block is fixedly connected to the slide block 32, the T-shaped block is slidably connected to the inside of a T-shaped groove formed on the side surface of the launch barrel 3, a stud 33 is hinged on the slide block 32, the stud 33 is engaged with a screw sleeve 35 slidably connected to the inside of the arc groove 34, the arc groove 34 is formed on the upper side surface of the mounting frame 1 and has the same radian as the horizontal rotation of the launch barrel 3, when the horizontal angle of the launch barrel 3 is adjusted, the stud 33 and the screw sleeve 35 will move together with the launch barrel 3 without affecting the adjustment of the horizontal angle of the launch barrel 3, the screw sleeve 35 is connected with the motor shaft of the corresponding adjusting motor 4, the screw sleeve 35 is connected with the adjusting motor 4 installed on the upper side surface of the mounting frame 1 through a, output gear 30 and swivel nut 35 interconnect), adjusting motor 4 that is located on the mounting bracket 1 is installed on the motor cabinet, and slide rail sliding connection on the motor cabinet passes through mounting bracket 1 is on mounting bracket 1, can make adjusting motor 4 follow double-screw bolt 33 and swivel nut 35 and move together, and adjusting motor 4 drives swivel nut 35 and rotates to the lift of control double-screw bolt 33 controls the vertical angle of launch canister 3 then.
The electrical components involved in the transmitting equipment are electrically connected with an external controller through cables for supplying power.
The working principle is as follows: before use, a football can be placed in the football storage track 10, then the indicating plate 31 is slid to adjust the launching force of the football, and when a pointer on the indicating plate 31 is aligned with a corresponding numerical value on a scale, a locking bolt on the indicating plate 31 is screwed down to complete adjustment;
then, a ball pushing motor 25 can be started, the ball pushing motor 25 drives a driving shaft 23 to rotate a quarter of a circle through a shifting fork mechanism, so that a football is pushed down from the interior of a ball storage rail 10 by a ball pushing plate 24, the pushed-down football enters the interior of a launching tube 3 through a funnel 9, then two adjusting motors 4 can be respectively started to adjust the horizontal angle and the vertical angle of the launching tube 3, a force storage motor 8 is started after the adjustment is finished, the force storage motor 8 rotates clockwise, so that a pushing plate 6 is driven by a screw 7 to move towards the rear end of the launching tube 3 for storing force, when the pushing plate 6 extrudes a touch switch 18 on the side wall of the launching tube 3, the clamping plate 16 is separated from a clamping opening 17, at the moment, the pushing plate 6 is pushed open by a launching spring 5, and the football is launched;
make after the football transmission finishes hold power motor 8 anticlockwise rotation to make screw rod 7 to the inside motion of launching tube 3, when screw rod 7 inserted the inside of slot 15 and extrude the touch switch 18 that is located the inside of slot 15, cardboard 16 can peg graft the inside of bayonet socket 17 and with bayonet socket 17 mutual joint, thereby prepare for next service, above-mentioned accommodation process all can be by manual operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a multi-functional for football training firing equipment, includes mounting bracket (1), its characterized in that: an installation seat (2) is rotatably connected above the lower side wall of the installation frame (1), a launching tube (3) is rotatably connected on the installation seat (2), the mounting seat (2) and the launching tube (3) are respectively driven by two adjusting motors (4), the interior of the launching tube (3) is connected with a push plate (6) through a launching spring (5), and the push plate (6) is movably clamped with the screw rod (7) through a controllable tripping mechanism arranged in the push plate, the screw (7) is driven by a power storage motor (8), a funnel (9) for receiving balls is arranged in the middle of the mounting seat (2) and on the launching tube (3), a spiral ball storage track (10) is arranged above the funnel (9) and on the upper side wall of the mounting rack (1), and the lower end of the ball storage track (10) penetrates through the mounting frame (1) and is connected with a ball poking mechanism for controlling the falling of the football.
2. The launching device for multi-functional football training of claim 1, characterized in that: the tripping mechanism comprises a steering engine (11), the steering engine (11) is arranged in a cavity (12) formed in the push plate (6), a rack (13) is fixedly connected to an output rod of the steering engine (11), the rack (13) is meshed with a gear shaft (14) rotatably connected to the cavity (12), the inner end of the gear shaft (14) penetrates through the cavity (12) and extends to the inside of the slot (15), a clamping plate (16) is fixedly connected to the inner end of the gear shaft (14), and a bayonet (17) matched with the clamping plate (16) is formed in the screw (7);
and touch switches (18) used for controlling the steering engine (11) are arranged on the side wall of the launching tube (3) and in the inserting grooves (15).
3. The launching device for multi-functional football training of claim 2, characterized in that: the both sides of push pedal (6) are equipped with stopper (19), it has corresponding spacing groove (20) to open on the inside wall of launch canister (3), and is connected with buffer board (22) through buffer spring (21) on the outer end cell wall of spacing groove (20).
4. The launching device for multi-functional football training of claim 1, characterized in that: the ball shifting mechanism comprises a driving shaft (23), the driving shaft (23) is rotatably connected to the side wall of the ball storage rail (10) and provided with through grooves, four ball shifting plates (24) are uniformly arranged on the driving shaft (23), and one end of the driving shaft (23) penetrates through the ball storage rail (10) and is connected with a motor shaft of a ball shifting motor (25) through a shifting fork mechanism.
5. The launching device for multi-functional football training of claim 1, characterized in that: the equal fixedly connected with fixed block (26) in both sides that just are located screw rod (7) on the inside wall of launching tube (3), open recess (27) that have with fixed block (26) looks adaptation on screw rod (7).
6. The launching device for multi-functional football training of claim 1, characterized in that: the outside sliding connection of launch canister (3) has slider (32), it has double-screw bolt (33) to articulate on slider (32), and double-screw bolt (33) and sliding connection are connected in the inside swivel nut (35) meshing of arc groove (34), swivel nut (35) and the motor shaft interconnect of the accommodate motor (4) that corresponds.
CN202021549750.1U 2020-07-30 2020-07-30 Multi-functional firing equipment for football training Expired - Fee Related CN212680034U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021549750.1U CN212680034U (en) 2020-07-30 2020-07-30 Multi-functional firing equipment for football training

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021549750.1U CN212680034U (en) 2020-07-30 2020-07-30 Multi-functional firing equipment for football training

Publications (1)

Publication Number Publication Date
CN212680034U true CN212680034U (en) 2021-03-12

Family

ID=74901719

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021549750.1U Expired - Fee Related CN212680034U (en) 2020-07-30 2020-07-30 Multi-functional firing equipment for football training

Country Status (1)

Country Link
CN (1) CN212680034U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113440826A (en) * 2021-06-04 2021-09-28 湖北工业大学 Football launching device
CN113521698A (en) * 2021-07-17 2021-10-22 哈尔滨体育学院 Table tennis beginner forehand ball-attacking training device
CN113750501A (en) * 2021-09-09 2021-12-07 刘艳峰 Intelligent tennis emitter
CN114028791A (en) * 2021-12-01 2022-02-11 湖南第一师范学院 Service robot is used in table tennis training convenient to angle regulation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113440826A (en) * 2021-06-04 2021-09-28 湖北工业大学 Football launching device
CN113521698A (en) * 2021-07-17 2021-10-22 哈尔滨体育学院 Table tennis beginner forehand ball-attacking training device
CN113750501A (en) * 2021-09-09 2021-12-07 刘艳峰 Intelligent tennis emitter
CN114028791A (en) * 2021-12-01 2022-02-11 湖南第一师范学院 Service robot is used in table tennis training convenient to angle regulation

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210312

Termination date: 20210730