CN108939491A - A kind of table tennis teaching training method - Google Patents
A kind of table tennis teaching training method Download PDFInfo
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- CN108939491A CN108939491A CN201811206322.6A CN201811206322A CN108939491A CN 108939491 A CN108939491 A CN 108939491A CN 201811206322 A CN201811206322 A CN 201811206322A CN 108939491 A CN108939491 A CN 108939491A
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- 239000000463 material Substances 0.000 claims abstract description 22
- 239000000428 dust Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 210000004209 hair Anatomy 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
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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
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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
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
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- Physical Education & Sports Medicine (AREA)
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Abstract
The invention belongs to table tennis teaching training technique fields, specifically a kind of table tennis teaching training method, this method comprises the following steps: training wall is arranged, batting training is carried out to student using training wall, training wall by a variety of elasticity material different from finish splice must, a variety of different materials for changing table tennis rebound velocity and spring back angle；Emit table tennis on training wall by table tennis ball serving device；Motorized rails are set in table tennis ball serving device and training wall bottom, so that training wall is ceaselessly moved with table tennis ball serving device；Pressure inductor is set on table tennis bat, and pressure inductor is used to detect the impact force between table tennis bat and table tennis；Broadcast device is set and passes through the impact force between broadcast device real-time broadcasting racket and table tennis, so that student is timely adjusted the firmly size of oneself；The present invention effectively can help student to lay a solid foundation.
Description
Technical field
The invention belongs to table tennis teaching training technique field, specifically a kind of table tennis teaching training method.
Background technique
With the development of society, the raising of people 's material life level, increasingly payes attention to the enjoyment of cultural life.Cause
This, the table tennis movement civilized as one increasingly has been favored by people.In China, table tennis as national ball game, more by
To the welcome of broad masses of the people.Today's society, many people improve table tennis technology by the teaching of special messenger, but traditional
Teaching and training method be merely able to promoted student some basic skills, can only to a certain extent raising student table tennis playing skill
Art can not beat the basis of the table tennis study of firm student well.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of table tennis teaching training method proposed by the present invention.The present invention is main
For making student beat the basis of firm table tennis study.
The technical solution adopted by the present invention to solve the technical problems is: a kind of table tennis teaching training of the present invention
Method, this method comprises the following steps:
S1: being arranged training wall, carries out batting training to student using training wall, training wall passes through a variety of elasticity and finish
Different material splicings and obtain, a variety of different materials for changing table tennis rebound velocity and spring back angle so that rattling
The angle sprung back each time and the speed of ball are different from, to effectively raise the adaptability to changes of student, effectively beat jail
The table tennis basis of student；
After training wall is set in S2:S1, table tennis is emitted on training wall by table tennis ball serving device, does not need student
Oneself service, improves effective trained duration of student, while table tennis ball serving device can emit the ball of different angle, difference
The ball of speed and the ball of rotation, so that the track of ball is more more after the ball warp training wall rebound of table tennis ball serving device transmitting
Become, further improves the adaptability to changes of student；
After emitting table tennis in S3:S2, motorized rails are set in table tennis ball serving device and training wall bottom, so that training
Wall is ceaselessly moved with table tennis ball serving device, so that student needs ceaselessly to run to receive, effectively to student's
Physical strength is trained with endurance, improves the physical fitness of student, so that student preferably plays table tennis；
In S4:S3, pressure inductor is set on table tennis bat, and pressure inductor is for detecting table tennis bat and table tennis
Between impact force；
After pressure inductor is set in S5:S4, be arranged broadcast device and by broadcast device real-time broadcasting racket and table tennis it
Between impact force, enable student be apparent from oneself every time brandish racket dynamics variation so that student's energy
It is enough that timely the dynamics for brandishing racket of oneself is adjusted accordingly, enable student to quickly find rhythm, improves
The ability of playing table tennis of student；
The table tennis ball serving device wherein used in S2 includes mounting plate, mounting rod, feeds ball bucket, fixed frame, bottom plate, transmitting
Module stores power module and controller；The mounting rod is L-shaped structure, and mounting rod one end is fixed on the right end of mounting plate；It is described to feed
Ball bucket is fixed on the end of mounting rod, feeds the top that ball bucket is located at mounting plate；The fixed frame inclination is fixed on a mounting board, Gu
Determining frame is portal structures, and symmetrical two rectangular preiections in front and back are equipped on the inside of fixed frame upper end, are equipped with through-hole in rectangular preiection；Institute
It states bottom plate and is mounted on fixed frame lower surface, bottom plate is for limiting table tennis；The transmitting module is located in fixed frame, hair
Module is penetrated for emitting table tennis；The transmitting module includes No.1 motor, No.1 belt wheel, No. two belt wheels, conveyer belt, transmitting bullet
Spring, expelling plate and No.1 magnet；The No.1 number of motors is two, and No.1 motor is separately fixed on fixed frame front and rear wall；Institute
Stating No.1 belt wheel quantity is two, and No.1 belt wheel is mounted on the output shaft of No.1 motor；The fixed frame is equipped with channel, channel
Quantity is two, and channel is located at the upper end of fixed frame, is symmetrical arranged before and after channel；No. two belt wheel quantity is two, No. two belt wheels
It is rotatably installed in the lower surface of the rectangular preiection of fixed frame, is equipped with circular through hole in No. two belt wheels, circular through hole inner wall two sides are set
There are two convex block, two convex block upper and lower positions are asymmetric；The conveyer belt is installed by No.1 belt wheel and No. two belt wheels, conveyer belt
For driving No. two belt wheel rotations；The transmitting number of springs is two, and transmitting spring is symmetrical set, and transmitting spring upper end is worn
The rectangular preiection on No. two belt wheels and fixed frame is crossed, transmitting spring is in contact with convex block；The transmitting board ends and two transmittings
The lower end of spring connects, and expelling plate is rubber material, and expelling plate is for emitting table tennis；The No.1 magnet is embedded in expelling plate
Bottom surface；The storage power module is located in fixed frame, stores power module upper end and is equipped with No. two magnet, No. two magnet are for attracting one
Number magnet stores power module for pulling expelling plate；The controller is located on mounting plate, and controller is for controlling No.1 motor
Work.When work, table tennis falls from hello ball bucket and on floor sliding to expelling plate, at this point, by storing power module band
Dynamic No. two magnet move down, so that No.1 magnet drives expelling plate to move down, so that transmitting spring is elongated, when No. two magnet pair
When the gravitation of No.1 magnet is attracted insufficient for No.1 magnet and No. two magnet, expelling plate moment is detached from, so that table tennis
Ball is launched, and in the process, controller controls the work of No.1 motor, so that No.1 motor drives the rotation of No.1 belt wheel, conveyer belt
So that No. two belt wheels are rotated with No.1 belt wheel, so that the convex block in circular through hole rotates and squeezes transmitting upward or downward
Spring, so that transmitting spring is elongated or compresses, so that the elasticity of transmitting spring changes, so that the transmitting dynamics of table tennis
It is adjusted, improves the practicability of ball serving device, the operating time of the No.1 motor of two sides is further made by controller
Difference, so that the compression of the transmitting spring of two sides or elongation are different, so that the launch angle in table tennis horizontal direction
It is adjusted, further improves the practicability of ball serving device.
The expelling plate is equipped with regulating part, and regulating part is used to adjust the launch angle of expelling plate；The regulating part includes
Mounting blocks, adjusting block and adjusting rod；The installation number of blocks is two, and mounting blocks are connect with transmitting lower spring end, is set in mounting blocks
There is threaded hole, spring is equipped in threaded hole, mounting blocks are equipped with through-hole；The adjusting number of blocks is two, and adjusting block is mounted on hair
The both ends of plate are penetrated, are equipped with screw thread outside adjusting block, by being threadably mounted in the threaded hole of mounting blocks, adjusting block is used for adjusting block
Adjust the angle of expelling plate；The through-hole that described adjusting rod one end passes through on mounting blocks is connected with adjusting block, the adjusting rod other end
Equipped with knob, adjusting rod is for driving adjusting block to rotate；Adjustment hole is additionally provided on the fixed frame, adjusting hole number is two, is adjusted
For knothole or so to setting, the distribution of adjustment hole and the distribution of adjusting rod are corresponding, and adjustment hole is for facilitating turning knob.Work
When, when expelling plate is located at minimum serving position, expelling plate is vertical with bottom plate, the knob of rotation adjusting lever end, so that adjusting
Locking nub and expelling plate rotate, so that the angle between expelling plate and bottom plate becomes larger, so that the angle of departure on table tennis vertical direction
Degree is changed, and effectively raises the practicability of ball serving device, the screw thread setting of adjusting block and mounting blocks is so that adjusting block
It can move horizontally in the course of rotation, the presence of spring is extruded adjusting block, so that adjusting block and mounting blocks
Screw thread between pressure become larger so that the frictional force between adjusting block and mounting blocks becomes larger, avoid adjusting block and pacifying
It is rotated easily in dress block, so that the angle after adjusting will not change easily, to effectively raise the practicability of ball serving device.
The storage power module includes No.1 sliding block, No. two sliding blocks, scissors mechanism, No. two motors, screw rod and support plate；It is described
No.1 sliding block quantity is two, and No.1 sliding block is symmetrical set, and No.1 sliding block is slidably mounted on the bottom of fixed frame, No.1 sliding block
In be equipped with threaded hole, the threaded hole in two No.1 sliding blocks is oppositely oriented；No. two motors are mounted under fixed frame antetheca
End；Described screw rod one end is connected with the output shaft of No. two motors, and the screw rod other end and fixed frame rear inner wall are rotatablely connected, spiral shell
Bar is for driving No.1 sliding block mobile；The support plate is located at the lower section of No. two magnet, and support plate lower surface is equipped with sliding slot, support
Plate is for fixing No. two magnet；No. two sliding block quantity is two, and No. two sliding blocks are symmetrical set, and No. two sliding blocks are slidably installed
In sliding slot, spring is equipped between No. two sliding blocks；The scissors mechanism is located in fixed frame, scissors mechanism lower end and two No.1s
Sliding block is hinged, and scissors mechanism upper end is hinged with two No. two sliding blocks, and scissors mechanism is for driving No. two slide block movements；It is described
The inner wall of fixed frame is equipped with elastic balloon, and elastic balloon quantity is two, and elastic balloon is symmetrical set, and is set on elastic balloon
There are breather cheek valve and unidirectional air outlet valve；The mounting plate is equipped with air storage chamber, the unidirectional air outlet valve of air storage chamber and elastic balloon
It is connected by pipeline, air storage chamber is for storing gas；Stripper plate is additionally provided in the fixed frame, stripper plate quantity is two, is squeezed
Pressing plate is symmetrical set, and a hinge joint of stripper plate and scissors mechanism is hinged, and stripper plate is for squeezing elastic balloon；Institute
It states and is equipped with multiple No.1 rectangular enclosures inside expelling plate, No.1 rectangular enclosure is symmetrical set, the No.1 square of expelling plate two sides
Shape number of cavities is identical, and gas circuit is additionally provided in expelling plate, and gas circuit quantity is two, and gas circuit respectively connects the No.1 rectangular enclosure of two sides
It is logical；Be additionally provided with gas-guide tube on the expelling plate, gas-guide tube quantity is two, and gas-guide tube is connected with gas circuit, gas-guide tube by gas circuit and
Air storage chamber is connected, for air guide tube in conveying gas into expelling plate.When work, No. two motor rotations, so that two No.1s are sliding
Block is close to each other or is located remotely from each other, so that scissors mechanism elongates or shortens, so that No. two sliding blocks are close to each other or remote
From, so that No. two sliding blocks drive support plate to move up and down with No. two magnet, and when No. two magnet are close to No.1 magnet, No.1 magnet
It is attached together with No. two magnet, when No. two magnet move downward, No.1 magnet is moved downward with No. two magnet, No.1 magnetic
Iron drives expelling plate to move downward and elongate transmitting spring, and final No. two magnet and No.1 magnet are detached from, so that transmitting spring band
Dynamic expelling plate launches table tennis, when scissors mechanism elongates or shortens, stripper plate under the action of scissors mechanism with elasticity
Balloon contacts and disengaging, so that elastic balloon is delivered the gas in air storage chamber by unidirectional air outlet valve, and by unidirectional
Intake valve absorbs gas from the external world, realizes the deposit of gas, and the energy that reasonable utilization scissors mechanism movement generates avoids
The waste of energy inputs gas into the No.1 rectangular enclosure of expelling plate by air storage chamber and gas-guide tube, and defeated by controlling
Enter to the gas flow in the No.1 rectangular enclosure of expelling plate two sides, so that the elasticity of expelling plate two sides is different, so that table tennis
The launch angle of ball is finely tuned, so that the launch angle adjusting of table tennis is more accurate, and makes table tennis in transmitting
It is rotated in the process because of two sides stress difference, improves the practicability of ball serving device.
The stripper plate includes top board and lower platen, and top board is hinged with lower platen；It is also set in the fixed frame
There is connecting rod, connecting rod is connected with the hinge joint of top board and lower platen, and connecting rod is used for so that top board and lower platen are around hinge joint
Rotation.When work, when scissors mechanism is shunk, the presence of connecting rod makes top board and lower platen in the squeezing action of scissors mechanism
Under it is close to each other so that top board and lower platen press elastic balloon simultaneously, increase the compressed amount of elastic balloon, into
And the reserve of gas speed in air storage chamber is improved, ball serving device is improved to the utilization efficiency of the energy of scissors mechanism, is saved
Cost.
No. two rectangular enclosures and slideway are equipped in No. two belt wheels, slideway is by the circle of No. two rectangular enclosures and No. two belt wheels
Shape through-hole is connected；Movable block is additionally provided in No. two rectangular enclosures, movable block is connected with the convex block of lower section in circular through hole
It connects, movable block is for driving convex block to move up and down；No. two belt wheels are equipped with bolt, and bolt passes through No. two belt wheels and movable block
It is in contact, bolt is for compressing movable block.When work, the presence of movable block, which enables, to be moved down on the convex block below circular through hole
Dynamic, to facilitate the replacement and adjusting of transmitting spring, the damage for avoiding transmitting spring causes ball serving device to scrap, and improves
The practicability of ball serving device.
The bottom plate is rubber material, and bottom plate is equipped with ash-falling hole, and ash-falling hole is for avoiding dust accretions on bottom plate.Work
When, when expelling plate emits table tennis, because bottom plate avoids for rubber material so that table tennis will not bounce when falling on bottom plate
Table tennis is fallen from bottom plate, while rubber material enables bottom plate to shake, so that the dust on bottom plate is from bottom plate
On ash-falling hole in fall, avoid the dust on bottom plate and gather and be not easily cleaned, avoid the dust on expelling plate to expelling plate
Steering adjusting cause to hinder, while avoiding the table tennis launched and being attached to dust, improve the practicability of ball serving device.
Beneficial effects of the present invention are as follows:
1. a kind of table tennis teaching training method of the present invention, by being served a ball using table tennis ball serving device, the dress
The ball that can issue different angle and friction speed is set, to effectively raise the adaptability to changes of student, while the present invention is logical
Setting training wall is crossed, and is spliced using a variety of elasticity material different from surface smoothness and training wall is made, so that table tennis is every
Speed when secondary rebound is different from angle, to further improve the adaptability to changes of student, improves the basis of student.
2. a kind of table tennis teaching training method of the present invention, the process employs a kind of table tennis ball serving device hairs
Ball is trained, which can be by changing the length of transmitting spring, to change the launch angle and transmitting speed of table tennis
Degree, so that student can use different angle and the ball of speed is trained, the table tennis for effectively having beaten firm student is basic.
3. a kind of table tennis teaching training method of the present invention, the process employs a kind of table tennis ball serving device into
Row training, the device by the rectangular enclosure of expelling plate two sides inject different volumes gas so that table tennis send out
Two sides stress is different when penetrating, so that table tennis rotary, so that student can practice how connecing the ball of rotation, so that learning
Member can prick lower excellent basis.
Detailed description of the invention
Flow chart of the invention when Fig. 1；
Fig. 2 is main view of the invention；
Fig. 3 is transmitting module, fixed frame and the structural schematic diagram for storing power module of the present invention；
Fig. 4 is the location diagram of convex block of the present invention and No. two belt wheels；
Fig. 5 is the structural schematic diagram of regulating part of the present invention；
Fig. 6 is the distribution schematic diagram of No.1 rectangular enclosure and gas circuit in expelling plate of the present invention；
In figure: mounting plate 1, mounting rod 2 feed ball bucket 3, fixed frame 4, bottom plate 5, transmitting module 6, store power module 7, air storage chamber
8, stripper plate 9, channel 41, adjustment hole 42, elastic balloon 43, connecting rod 44, No.1 motor 61,62, No. two belt wheels 63 of No.1 belt wheel,
Conveyer belt 64, expelling plate 66, No.1 magnet 67, circular through hole 68,69, No. two rectangular enclosures 631 of convex block, is slided transmitting spring 65
Road 632, movable block 633, bolt 634, regulating part 661, mounting blocks 662, adjusting block 663, adjusting rod 664, No.1 rectangular enclosure
665, gas circuit 666, gas-guide tube 667,668, No. two magnet 71 of knob, 72, No. two sliding blocks 73 of No.1 sliding block, scissors mechanism 74, two
Number motor 75, screw rod 76, support plate 77, sliding slot 771, top board 91, lower platen 92.
Specific embodiment
It is carried out using table tennis teaching training method of such as Fig. 1-Fig. 6 to an embodiment of the present invention as described below.
As shown in Figures 1 and 3, a kind of table tennis teaching training method of the present invention, this method comprises the following steps:
S1: being arranged training wall, carries out batting training to student using training wall, training wall passes through a variety of elasticity and finish
Different material splicings and obtain, a variety of different materials for changing table tennis rebound velocity and spring back angle so that rattling
The angle sprung back each time and the speed of ball are different from, to effectively raise the adaptability to changes of student, effectively beat jail
The table tennis basis of student；
After training wall is set in S2:S1, table tennis is emitted on training wall by table tennis ball serving device, does not need student
Oneself service, improves effective trained duration of student, while table tennis ball serving device can emit the ball of different angle, difference
The ball of speed and the ball of rotation, so that the track of ball is more more after the ball warp training wall rebound of table tennis ball serving device transmitting
Become, further improves the adaptability to changes of student；
After emitting table tennis in S3:S2, motorized rails are set in table tennis ball serving device and training wall bottom, so that training
Wall is ceaselessly moved with table tennis ball serving device, so that student needs ceaselessly to run to receive, effectively to student's
Physical strength is trained with endurance, improves the physical fitness of student, so that student preferably plays table tennis；
In S4:S3, pressure inductor is set on table tennis bat, and pressure inductor is for detecting table tennis bat and table tennis
Between impact force；
After pressure inductor is set in S5:S4, be arranged broadcast device and by broadcast device real-time broadcasting racket and table tennis it
Between impact force, enable student be apparent from oneself every time brandish racket dynamics variation so that student's energy
It is enough that timely the dynamics for brandishing racket of oneself is adjusted accordingly, enable student to quickly find rhythm, improves
The ability of playing table tennis of student；
The table tennis ball serving device wherein used in S2 includes mounting plate 1, mounting rod 2, feeds ball bucket 3, fixed frame 4, bottom plate
5, transmitting module 6, storage power module 7 and controller；The mounting rod 2 is L-shaped structure, and 2 one end of mounting rod is fixed on mounting plate 1
Right end；The end fed ball bucket 3 and be fixed on mounting rod 2, feeds the top that ball bucket 3 is located at mounting plate 1；The fixed frame 4 tilts
It being fixed on mounting plate 1, fixed frame 4 is portal structures, symmetrical two rectangular preiections in front and back are equipped on the inside of 4 upper end of fixed frame,
Through-hole is equipped in rectangular preiection；The bottom plate 5 is mounted on 4 lower surface of fixed frame, and bottom plate 5 is for limiting table tennis；Institute
It states transmitting module 6 to be located in fixed frame 4, transmitting module 6 is for emitting table tennis；The transmitting module 6 include No.1 motor 61,
62, No. two belt wheels 63 of No.1 belt wheel, conveyer belt 64, transmitting spring 65, expelling plate 66 and No.1 magnet 67；The No.1 motor 61
Quantity is two, and No.1 motor 61 is separately fixed on 4 front and rear wall of fixed frame；62 quantity of No.1 belt wheel is two, No.1 belt wheel
62 are mounted on the output shaft of No.1 motor 61；The fixed frame 4 is equipped with channel 41, and 41 quantity of channel is two, 41, channel
In the upper end of fixed frame 4, it is symmetrical arranged before and after channel 41；63 quantity of No. two belt wheels is two, and No. two belt wheels 63 are rotatablely installed
Circular through hole 68 is equipped in the lower surface of the rectangular preiection of fixed frame 4, No. two belt wheels 63,68 inner wall two sides of circular through hole are equipped with
Two convex blocks 69, two 69 upper and lower positions of convex block are asymmetric；The conveyer belt 64 is pacified by No.1 belt wheel 62 and No. two belt wheels 63
Dress, conveyer belt 64 is for driving No. two belt wheels 63 to rotate；65 quantity of transmitting spring is two, and transmitting 65 bilateral symmetry of spring is set
It sets, transmitting 65 upper end of spring passes through the rectangular preiection on No. two belt wheels 63 and fixed frame 4, and transmitting spring 65 connects with convex block 69
Touching；The lower end that 66 both ends of expelling plate emit spring 65 with two is connect, and expelling plate 66 is rubber material, and expelling plate 66 is used for
Emit table tennis；The No.1 magnet 67 is embedded in the bottom surface of expelling plate 66；The storage power module 7 is located in fixed frame 4, stores
7 upper end of power module is equipped with No. two magnet 71, and No. two magnet 71 store power module 7 for pulling transmitting for attracting No.1 magnet 67
Plate 66；The controller is located on mounting plate 1, and controller is used to control the work of No.1 motor 61.When work, table tennis from feed
It falls in ball bucket 3 and slides along bottom plate 5 to expelling plate 66, at this point, drive No. two magnet 71 to move down by storing power module 7,
So that No.1 magnet 67 drives expelling plate 66 to move down, so that transmitting spring 65 is elongated, when No. two magnet 71 are to No.1 magnetic
When the gravitation of iron 67 is attracted insufficient for No.1 magnet 67 and No. two magnet 71,66 moment of expelling plate is detached from, so that table tennis
Pang ball is launched, and in the process, controller controls No.1 motor 61 and works, so that No.1 motor 61 drives 62 turns of No.1 belt wheel
Dynamic, conveyer belt 64 rotates No. two belt wheels 63 with No.1 belt wheel 62, so that the convex block 69 in circular through hole 68 rotates
And transmitting spring 65 is squeezed upward or downward, so that transmitting spring 65 is elongated or compresses, so that the bullet of transmitting spring 65
It sexually revises, so that the transmitting dynamics of table tennis is adjusted, improves the practicability of ball serving device, further made by controller
The operating time for obtaining the No.1 motor 61 of two sides is different, so that the compression of the transmitting spring 65 of two sides or elongation are different, thus
So that the launch angle in table tennis horizontal direction is adjusted, the practicability of ball serving device is further improved.
As shown in Fig. 3 and Fig. 5, the expelling plate 66 is equipped with regulating part 661, and regulating part 661 is for adjusting expelling plate 66
Launch angle；The regulating part 661 includes mounting blocks 662, adjusting block 663 and adjusting rod 664；662 quantity of mounting blocks
It is two, mounting blocks 662 are connect with transmitting 65 lower end of spring, and threaded hole is equipped in mounting blocks 662, spring, peace are equipped in threaded hole
It fills block 662 and is equipped with through-hole；663 quantity of adjusting block is two, and adjusting block 663 is mounted on the both ends of expelling plate 66, adjusting block
663 outsides are equipped with screw thread, and adjusting block 663 is by being threadably mounted in the threaded hole of mounting blocks 662, and adjusting block 663 is for adjusting
The angle of expelling plate 66；The through-hole that described 664 one end of adjusting rod passes through on mounting blocks 662 is connected with adjusting block 663, adjusting rod
664 other ends are equipped with knob 668, and adjusting rod 664 is for driving adjusting block 663 to rotate；Adjustment hole is additionally provided on the fixed frame 4
42,42 quantity of adjustment hole is two, and for adjustment hole 42 or so to setting, the distribution of adjustment hole 42 is corresponding with the distribution of adjusting rod 664,
Adjustment hole 42 is for facilitating turning knob 668.When work, when expelling plate 66 is located at minimum serving position, expelling plate 66 and bottom plate 5
Vertically, the knob 668 of 664 end of rotation adjusting lever, so that adjusting block 663 and expelling plate 66 rotate, so that expelling plate 66
Angle between bottom plate 5 becomes larger, so that the launch angle on table tennis vertical direction is changed, effectively raises service
The practicability of device, adjusting block 663 and the screw thread of mounting blocks 662 are arranged so that adjusting block 663 can only be made in the course of rotation
Horizontal movement, the presence of spring are extruded adjusting block 663, so that between adjusting block 663 and the screw thread of mounting blocks 662
Pressure become larger so that the frictional force between adjusting block 663 and mounting blocks 662 becomes larger, avoid adjusting block 663 and installing
It is rotated easily in block 662, so that the angle after adjusting will not change easily, to effectively raise the practical of ball serving device
Property.
As shown in Fig. 3 and Fig. 6, the storage power module 7 includes 72, No. two sliding blocks 73 of No.1 sliding block, scissors mechanism 74, two
Motor 75, screw rod 76 and support plate 77；72 quantity of No.1 sliding block is two, and No.1 sliding block 72 is symmetrical set, and No.1 is sliding
Block 72 is slidably mounted on the bottom of fixed frame 4, and threaded hole is equipped in No.1 sliding block 72, the threaded hole rotation in two No.1 sliding blocks 72
To opposite；No. two motors 75 are mounted on the lower end of 4 antetheca of fixed frame；The output of described screw rod 76 one end and No. two motors 75
Axis is connected, and 76 other end of screw rod and 4 rear inner wall of fixed frame are rotatablely connected, and screw rod 76 is for driving No.1 sliding block 72 mobile；
The support plate 77 is located at the lower section of No. two magnet 71, and 77 lower surface of support plate is equipped with sliding slot 771, and support plate 77 is for fixing two
Number magnet 71；73 quantity of No. two sliding blocks is two, and No. two sliding blocks 73 are symmetrical set, and No. two sliding blocks 73 are slidably mounted on cunning
In slot 771, spring is equipped between No. two sliding blocks 73；The scissors mechanism 74 is located in fixed frame 4,74 lower end of scissors mechanism and two
A No.1 sliding block 72 is hinged, and 74 upper end of scissors mechanism is hinged with two No. two sliding blocks 73, and scissors mechanism 74 is for driving two
Number sliding block 73 moves；The inner wall of the fixed frame 4 is equipped with elastic balloon 43, and 43 quantity of elastic balloon is two, elastic balloon 43
It is symmetrical set, elastic balloon 43 is equipped with breather cheek valve and unidirectional air outlet valve；The mounting plate 1 is equipped with air storage chamber 8,
Air storage chamber 8 is connected with the unidirectional air outlet valve of elastic balloon 43 by pipeline, and air storage chamber 8 is for storing gas；The fixed frame 4
It is inside additionally provided with stripper plate 9,9 quantity of stripper plate is two, and stripper plate 9 is symmetrical set, one of stripper plate 9 and scissors mechanism 74
Hinge joint is hinged, and stripper plate 9 is for squeezing elastic balloon 43；Multiple No.1 rectangular enclosures are equipped with inside the expelling plate 66
665, No.1 rectangular enclosure 665 is symmetrical set, and 665 quantity of No.1 rectangular enclosure of 66 two sides of expelling plate is identical, expelling plate
Gas circuit 666 is additionally provided in 66,666 quantity of gas circuit is two, and the No.1 rectangular enclosure 665 of two sides is connected to by gas circuit 666 respectively；It is described
Gas-guide tube 667 is additionally provided on expelling plate 66,667 quantity of gas-guide tube is two, and gas-guide tube 667 is connected with gas circuit 666, gas-guide tube
667 are connected gas circuit 666 with air storage chamber 8, and gas-guide tube 667 is for conveying gas into expelling plate 66.When work, No. two motors
75 rotations, so that two No.1 sliding blocks 72 are close to each other or are located remotely from each other, so that scissors mechanism 74 elongates or shortens, in turn
So that No. two sliding blocks 73 are close to each other or separate, so that No. two sliding blocks 73 drive support plate 77 and No. two magnet 71 to move up and down,
When No. two magnet 71 are close to No.1 magnet 67, No.1 magnet 67 and No. two magnet 71 are attached together, when No. two magnet 71 to
When lower movement, No.1 magnet 67 is moved downward with No. two magnet 71, and No.1 magnet 67 drives expelling plate 66 to move downward and draw
Long hair projectile spring 65, final No. two magnet 71 and No.1 magnet 67 are detached from, so that transmitting spring 65 drives expelling plate 66 that will rattle
Ball is launched, and when scissors mechanism 74 elongates or shortens, stripper plate 9 is contacted under the action of scissors mechanism 74 with elastic balloon 43
With disengaging, so that elastic balloon 43 is delivered the gas in air storage chamber 8 by unidirectional air outlet valve, and pass through breather cheek valve
Gas is absorbed from the external world, realizes the deposit of gas, the energy that reasonable utilization scissors mechanism 74 movement generates avoids energy
The waste of amount inputs gas into the No.1 rectangular enclosure 665 of expelling plate 66 by air storage chamber 8 and gas-guide tube 667, and passes through control
The gas flow being input in the No.1 rectangular enclosure 665 of 66 two sides of expelling plate is made, so that the elasticity of 66 two sides of expelling plate is different, from
And the launch angle of table tennis is finely tuned, so that the launch angle adjusting of table tennis is more accurate, and to rattle
Ball rotates during transmitting because of two sides stress difference, improves the practicability of ball serving device.
As shown in figure 3, the stripper plate 9 includes top board 91 and lower platen 92, top board 91 and lower platen 92 are mutually cut with scissors
It connects；Connecting rod 44 is additionally provided in the fixed frame 4, connecting rod 44 is connected with the hinge joint of top board 91 and lower platen 92, connecting rod 44
For rotating top board 91 and lower platen 92 around hinge joint.When work, when scissors mechanism 74 is shunk, the presence of connecting rod 44
So that top board 91 is close to each other under the squeezing action of scissors mechanism 74 with lower platen 92, so that top board 91 and pushing
Plate 92 presses elastic balloon 43 simultaneously, increases the compressed amount of elastic balloon 43, and then improves the storage of the gas in air storage chamber 8
Standby speed, improves ball serving device to the utilization efficiency of the energy of scissors mechanism 74, has saved cost.
As shown in figure 4, being equipped with No. two rectangular enclosures 631 and slideway 632 in No. two belt wheels 63, slideway 632 is by No. two
Rectangular enclosure 631 is connected with the circular through hole 68 of No. two belt wheels 63；Movable block is additionally provided in No. two rectangular enclosures 631
633, movable block 633 is connected with the convex block 69 of lower section in circular through hole 68, and movable block 633 moves down on convex block 69 for driving
It is dynamic；No. two belt wheels 63 are equipped with bolt 634, and bolt 634 passes through No. two belt wheels 63 and is in contact with movable block 633, bolt 634
For compressing movable block 633.When work, the presence of movable block 633 enable the lower section of circular through hole 68 convex block 69 on move down
Dynamic, to facilitate the replacement and adjusting of transmitting spring 65, the damage for avoiding transmitting spring 65 causes ball serving device to scrap, and mentions
The high practicability of ball serving device.
As shown in Fig. 2, the bottom plate 5 is rubber material, bottom plate 5 is equipped with ash-falling hole, and ash-falling hole is for avoiding bottom plate 5
Dust accretions.When work, when expelling plate 66 emits table tennis, because bottom plate 5 is rubber material, so that table tennis falls on bottom plate 5
It will not be bounced when upper, and avoid table tennis and fallen from bottom plate 5, while rubber material enables bottom plate 5 to shake, so that
Dust on bottom plate 5 is fallen from the ash-falling hole on bottom plate 5, is avoided the dust on bottom plate 5 and is gathered and is not easily cleaned, and hair is avoided
The dust penetrated on plate 66 causes to hinder to the steering adjusting of expelling plate 66, while avoiding the table tennis launched and being attached to dust,
Improve the practicability of ball serving device.
Concrete operations process is as follows:
When work, table tennis falls in ball bucket 3 from feeding and slides along bottom plate 5 to expelling plate 66, at this point, by storing power
Module 7 drives No. two magnet 71 to move down, so that No.1 magnet 67 drives expelling plate 66 to move down, so that transmitting spring 65 is drawn
It is long, when gravitation of No. two magnet 71 to No.1 magnet 67 is attracted insufficient for No.1 magnet 67 and No. two magnet 71, transmitting
66 moment of plate is detached from, so that table tennis is launched, in the process, controller controls No.1 motor 61 and works, so that No.1
Motor 61 drives No.1 belt wheel 62 to rotate, and conveyer belt 64 rotates No. two belt wheels 63 with No.1 belt wheel 62, so that circle
Convex block 69 in shape through-hole 68 rotates and squeezes upward or downward transmitting spring 65, so that transmitting spring 65 is elongated or presses
Contracting, so that the transmitting dynamics of table tennis is adjusted, improves the practical of ball serving device so that the elasticity of transmitting spring 65 changes
Property, further make the operating time of the No.1 motor 61 of two sides different by controller, so that the transmitting spring 65 of two sides
Compression or elongation are different, so that the launch angle in table tennis horizontal direction is adjusted, further improve
The practicability of ball serving device.
When expelling plate 66 is located at minimum serving position, expelling plate 66 is vertical with bottom plate 5, the rotation of 664 end of rotation adjusting lever
Button 668, so that adjusting block 663 and expelling plate 66 rotate, so that the angle between expelling plate 66 and bottom plate 5 becomes larger, so that
Launch angle on table tennis vertical direction is changed, and effectively raises the practicability of ball serving device, adjusting block 663 and peace
The screw thread for filling block 662 is arranged so that adjusting block 663 can only move horizontally in the course of rotation, and the presence of spring to adjust
Block 663 is extruded, so that the pressure between adjusting block 663 and the screw thread of mounting blocks 662 becomes larger, so that adjusting block
Frictional force between 663 and mounting blocks 662 becomes larger, and avoids adjusting block 663 and rotates easily in mounting blocks 662, so that adjusting
Angle afterwards will not change easily, to effectively raise the practicability of ball serving device.
No. two motors 75 rotate, so that two No.1 sliding blocks 72 are close to each other or are located remotely from each other, so that scissors mechanism
74 elongate or shorten, so that No. two sliding blocks 73 are close to each other or separate, so that No. two sliding blocks 73 drive support plate 77 and two
Number magnet 71 moves up and down, and when No. two magnet 71 are close to No.1 magnet 67, No.1 magnet 67 and No. two magnet 71 are adsorbed on one
It rises, when No. two magnet 71 move downward, No.1 magnet 67 is moved downward with No. two magnet 71, and No.1 magnet 67 drives transmitting
Plate 66 moves downward and elongates transmitting spring 65, and final No. two magnet 71 and No.1 magnet 67 are detached from, so that transmitting 65 band of spring
Dynamic expelling plate 66 launches table tennis, and when scissors mechanism 74 elongates or shortens, stripper plate 9 is under the action of scissors mechanism 74
It contacts and is detached from elastic balloon 43, so that elastic balloon 43 is delivered the gas in air storage chamber 8 by unidirectional air outlet valve,
And gas is absorbed from the external world by breather cheek valve, realize the deposit of gas, reasonable utilization scissors mechanism 74 movement produces
Raw energy avoids the waste of energy, through air storage chamber 8 and gas-guide tube 667 into the No.1 rectangular enclosure 665 of expelling plate 66
Gas, and the gas flow being input in the No.1 rectangular enclosure 665 of 66 two sides of expelling plate by control are inputted, so that expelling plate 66
The elasticity of two sides is different, so that the launch angle of table tennis is finely tuned, so that the launch angle of table tennis is adjusted more
Precisely, and table tennis is rotated during transmitting because of two sides stress difference, improves the practicability of ball serving device.
When scissors mechanism 74 is shunk, the presence of connecting rod 44 makes top board 91 and lower platen 92 squeezing in scissors mechanism 74
It is close to each other under pressure effect, so that top board 91 and lower platen 92 press elastic balloon 43 simultaneously, increase elastic balloon
43 compressed amount, and then the reserve of gas speed in air storage chamber 8 is improved, ball serving device is improved to the energy of scissors mechanism 74
The utilization efficiency of amount, has saved cost.
The presence of movable block 633 enables the convex block 69 of 68 lower section of circular through hole to move up and down, to facilitate transmitting
The replacement and adjusting of spring 65, the damage for avoiding transmitting spring 65 cause ball serving device to scrap, improve the reality of ball serving device
The property used.
When expelling plate 66 emits table tennis, because bottom plate 5 is rubber material, so that table tennis will not when falling on bottom plate 5
It bounces, avoids table tennis and fallen from bottom plate 5, while rubber material enables bottom plate 5 to shake, so that on bottom plate 5
Dust fallen from the ash-falling hole on bottom plate 5, avoid the dust on bottom plate 5 and gather and be not easily cleaned, avoid expelling plate 66
On dust the steering of expelling plate 66 adjusting is caused to hinder, while avoiding the table tennis launched and being attached to dust, improve
The practicability of ball serving device.
More than, it is illustrated about one embodiment of the present invention, but the present invention is not limited to the above embodiments, not
Various changes are able to carry out in the range of disengaging present subject matter.
Industrial applicibility
According to the present invention, this table tennis teaching training method can effectively improve the adaptability to changes of student, beat firm student
Table tennis basis, so that this table tennis teaching training method is useful in table tennis teaching training technique field.
Claims (6)
1. a kind of table tennis teaching training method, it is characterised in that: this method comprises the following steps:
S1: being arranged training wall, carries out batting training to student using training wall, training wall is different from finish by a variety of elasticity
Material splicing and obtain, a variety of different materials for changing table tennis rebound velocity and spring back angle；
After training wall is set in S2:S1, table tennis is emitted on training wall by table tennis ball serving device；
In S3:S2 emit table tennis after, table tennis ball serving device and training wall bottom be arranged motorized rails so that training wall with
Table tennis ball serving device ceaselessly moves；
In S4:S3, pressure inductor is set on table tennis bat, and pressure inductor is for detecting between table tennis bat and table tennis
Impact force；
After pressure inductor is set in S5:S4, broadcast device is set and by between broadcast device real-time broadcasting racket and table tennis
Impact force, so that student is timely adjusted the firmly size of oneself；
The table tennis ball serving device wherein used in S2 include mounting plate (1), mounting rod (2), feed ball bucket (3), fixed frame (4),
Bottom plate (5), stores power module (7) and controller at transmitting module (6)；The mounting rod (2) is L-shaped structure, mounting rod (2) one end
It is fixed on the right end of mounting plate (1)；The end fed ball bucket (3) and be fixed on mounting rod (2), feeds ball bucket (3) and is located at mounting plate
(1) top；The fixed frame (4) inclination is fixed on mounting plate (1), and fixed frame (4) is portal structures, on fixed frame (4)
End inside is equipped with symmetrical two rectangular preiections in front and back, is equipped with through-hole in rectangular preiection；The bottom plate (5) is mounted on fixed frame
(4) lower surface, bottom plate (5) is for limiting table tennis；The transmitting module (6) is located in fixed frame (4), transmitting module
(6) for emitting table tennis；The transmitting module (6) include No.1 motor (61), No.1 belt wheel (62), No. two belt wheels (63),
Conveyer belt (64), transmitting spring (65), expelling plate (66) and No.1 magnet (67)；No.1 motor (61) quantity is two, one
Number motor (61) is separately fixed on fixed frame (4) front and rear wall；No.1 belt wheel (62) quantity is two, No.1 belt wheel (62) peace
On the output shaft of No.1 motor (61)；The fixed frame (4) is equipped with channel (41), and channel (41) quantity is two, channel
(41) it is located at the upper end of fixed frame (4), is symmetrical arranged before and after channel (41)；No. two belt wheels (63) quantity is two, No. two bands
Wheel (63) is rotatably installed in the lower surface of the rectangular preiection of fixed frame (4), is equipped with circular through hole (68) in No. two belt wheels (63), circle
Shape through-hole (68) inner wall two sides are set there are two convex block (69), and two convex block (69) upper and lower positions are asymmetric；The conveyer belt (64)
It is installed by No.1 belt wheel (62) and No. two belt wheels (63), conveyer belt (64) is for driving No. two belt wheel (63) rotations；The hair
Projectile spring (65) quantity is two, and transmitting spring (65) is symmetrical set, and transmitting spring (65) upper end passes through No. two belt wheels (63)
With the rectangular preiection on fixed frame (4), emits spring (65) and be in contact with convex block (69)；Expelling plate (66) both ends with two
Emit the lower end connection of spring (65), expelling plate (66) is rubber material, and expelling plate (66) is for emitting table tennis；The No.1
Magnet (67) is embedded in the bottom surface of expelling plate (66)；The storage power module (7) is located in fixed frame (4), stores on power module (7)
End is equipped with No. two magnet (71), and No. two magnet (71) store power module (7) for pulling expelling plate for attracting No.1 magnet (67)
(66)；The controller is located on mounting plate (1), and controller is used to control the work of No.1 motor (61).
2. a kind of table tennis teaching training method according to claim 1, it is characterised in that: set on the expelling plate (66)
Have regulating part (661), regulating part (661) is used to adjust the launch angle of expelling plate (66)；The regulating part (661) includes installation
Block (662), adjusting block (663) and adjusting rod (664)；Mounting blocks (662) quantity is two, mounting blocks (662) and transmitting bullet
The connection of spring (65) lower end, mounting blocks (662) are interior to be equipped with threaded hole, spring is equipped in threaded hole, mounting blocks (662) are equipped with logical
Hole；Adjusting block (663) quantity is two, and adjusting block (663) is mounted on the both ends of expelling plate (66), and adjusting block (663) is external
Equipped with screw thread, adjusting block (663) is by being threadably mounted in the threaded hole of mounting blocks (662), and adjusting block (663) is for adjusting hair
Penetrate the angle of plate (66)；The through-hole that described adjusting rod (664) one end passes through on mounting blocks (662) is connected with adjusting block (663),
Adjusting rod (664) other end is equipped with knob (668), and adjusting rod (664) is for driving adjusting block (663) to rotate；The fixed frame
(4) it is additionally provided on adjustment hole (42), adjustment hole (42) quantity is two, and adjustment hole (42) left and right is to setting, point of adjustment hole (42)
Cloth is corresponding with the distribution of adjusting rod (664), and adjustment hole (42) is for facilitating turning knob (668).
3. a kind of table tennis teaching training method according to claim 1, it is characterised in that: storage power module (7) packet
Include No.1 sliding block (72), No. two sliding blocks (73), scissors mechanism (74), No. two motors (75), screw rod (76) and support plate (77)；Institute
Stating No.1 sliding block (72) quantity is two, and No.1 sliding block (72) is symmetrical set, and No.1 sliding block (72) is slidably mounted on fixed frame
(4) bottom, threaded hole is equipped in No.1 sliding block (72), and the threaded hole in two No.1 sliding blocks (72) is oppositely oriented；Described two
Number motor (75) is mounted on the lower end of fixed frame (4) antetheca；The output shaft phase of described screw rod (76) one end and No. two motors (75)
Connection, screw rod (76) other end and fixed frame (4) rear inner wall are rotatablely connected, and screw rod (76) is for driving No.1 sliding block (72) to move
It is dynamic；The support plate (77) is located at the lower section of No. two magnet (71), and support plate (77) lower surface is equipped with sliding slot (771), support plate
(77) for fixing No. two magnet (71)；No. two sliding blocks (73) quantity is two, and No. two sliding blocks (73) are symmetrical set, two
Number sliding block (73) is slidably mounted in sliding slot (771), and spring is equipped between No. two sliding blocks (73)；The scissors mechanism (74) is located at
In fixed frame (4), scissors mechanism (74) lower end is hinged with two No.1 sliding blocks (72), scissors mechanism (74) upper end and two two
Number sliding block (73) is hinged, and scissors mechanism (74) is for driving No. two sliding blocks (73) movements；It is set on the inner wall of the fixed frame (4)
Flexible air bag (43), elastic balloon (43) quantity are two, and elastic balloon (43) is symmetrical set, and elastic balloon is set on (43)
There are breather cheek valve and unidirectional air outlet valve；The mounting plate (1) is equipped with air storage chamber (8), air storage chamber (8) and elastic balloon (43)
Unidirectional air outlet valve be connected by pipeline, air storage chamber (8) is for storing gas；Stripper plate is additionally provided in the fixed frame (4)
(9), stripper plate (9) quantity is two, and stripper plate (9) is symmetrical set, and one of stripper plate (9) and scissors mechanism (74) is hinged
Point is hinged, and stripper plate (9) is for squeezing elastic balloon (43)；Multiple No.1 rectangular enclosures are equipped with inside the expelling plate (66)
(665), No.1 rectangular enclosure (665) is symmetrical set, No.1 rectangular enclosure (665) quantity phase of expelling plate (66) two sides
Together, it is additionally provided with gas circuit (666) in expelling plate (66), gas circuit (666) quantity is two, and gas circuit (666) is respectively by expelling plate (66) two
The No.1 rectangular enclosure (665) of side is connected to；It is additionally provided with gas-guide tube (667) on the expelling plate (66), gas-guide tube (667) quantity is
Two, gas-guide tube (667) is connected with gas circuit (666), and gas circuit (666) is connected by gas-guide tube (667) with air storage chamber (8), air guide
(667) are managed to be used to convey gas into expelling plate (66).
4. a kind of table tennis teaching training method according to claim 1, it is characterised in that: the stripper plate (9) includes
Top board (91) and lower platen (92), top board (91) are hinged with lower platen (92)；The company of being additionally provided in the fixed frame (4)
Bar (44), connecting rod (44) and the hinge joint of top board (91) and lower platen (92) are hinged, and connecting rod (44) is used for so that top board
(91) it is rotated with lower platen (92) around hinge joint.
5. a kind of table tennis teaching training method according to claim 1, it is characterised in that: in No. two belt wheels (63)
Equipped with No. two rectangular enclosures (631) and slideway (632), slideway (632) is by No. two rectangular enclosures (631) and No. two belt wheels (63)
Circular through hole (68) is connected；It is additionally provided with movable block (633) in No. two rectangular enclosures (631), movable block (633) and circle
The convex block (69) of lower section is connected in through-hole (68), and movable block (633) is for driving convex block (69) to move up and down；No. two bands
It takes turns (63) and is equipped with bolt (634), bolt (634) passes through No. two belt wheels (63) and is in contact with movable block (633), bolt (634)
For compressing movable block (633).
6. a kind of table tennis teaching training method according to claim 1, it is characterised in that: the bottom plate (5) is rubber
Material, bottom plate (5) are equipped with ash-falling hole, and ash-falling hole is for avoiding dust accretions on bottom plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206322.6A CN108939491B (en) | 2018-10-17 | 2018-10-17 | Table tennis training method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811206322.6A CN108939491B (en) | 2018-10-17 | 2018-10-17 | Table tennis training method |
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| Publication Number | Publication Date |
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| CN108939491A true CN108939491A (en) | 2018-12-07 |
| CN108939491B CN108939491B (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811206322.6A Active CN108939491B (en) | 2018-10-17 | 2018-10-17 | Table tennis training method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114392540A (en) * | 2022-02-10 | 2022-04-26 | 西安工业大学 | Football emitter convenient for adjusting emitting angle for sports |
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| CN2375350Y (en) * | 1999-04-28 | 2000-04-26 | 刘英德 | Football sender |
| DE202005019956U1 (en) * | 2005-12-03 | 2006-04-06 | Heidel, Wolfgang | Mechanical ball or stick thrower with remote mechanical release is used to train dogs in obedience to their handlers |
| CN106075858A (en) * | 2016-08-03 | 2016-11-09 | 刘运华 | A kind of physical culture is with efficient vollyball supplemental training device |
| CN207401105U (en) * | 2017-09-14 | 2018-05-25 | 张全亭 | A kind of basketball automatic kicking apparatus |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375350Y (en) * | 1999-04-28 | 2000-04-26 | 刘英德 | Football sender |
| DE202005019956U1 (en) * | 2005-12-03 | 2006-04-06 | Heidel, Wolfgang | Mechanical ball or stick thrower with remote mechanical release is used to train dogs in obedience to their handlers |
| CN106075858A (en) * | 2016-08-03 | 2016-11-09 | 刘运华 | A kind of physical culture is with efficient vollyball supplemental training device |
| CN207401105U (en) * | 2017-09-14 | 2018-05-25 | 张全亭 | A kind of basketball automatic kicking apparatus |
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| CN114392540A (en) * | 2022-02-10 | 2022-04-26 | 西安工业大学 | Football emitter convenient for adjusting emitting angle for sports |
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| CN108939491B (en) | 2020-08-25 |
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