CN111617455B - A multi-angle adjustable ball serving method for sports equipment - Google Patents
A multi-angle adjustable ball serving method for sports equipment Download PDFInfo
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- CN111617455B CN111617455B CN202010347248.0A CN202010347248A CN111617455B CN 111617455 B CN111617455 B CN 111617455B CN 202010347248 A CN202010347248 A CN 202010347248A CN 111617455 B CN111617455 B CN 111617455B
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- 238000003825 pressing Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000009987 spinning Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 238000012549 training Methods 0.000 abstract description 14
- 238000013461 design Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000010485 coping Effects 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B69/407—Stationarily-arranged devices for projecting balls or other bodies with spring-loaded propelling means
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B2069/402—Stationarily-arranged devices for projecting balls or other bodies giving spin
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Abstract
本发明公开了一种体育设备多角度可调发球方法，其特征在于：包括如下步骤：(1)步骤S1，推进筒向前运动至自旋调节模块的自旋工位，推进筒向后运动过程中，击球杆压缩蓄力弹簧，实现蓄能，(2)步骤S2，位于自旋工位的球的两端被自旋调节模块的旋转压杆压紧，随后推进筒稍向后移动，避免接触球的外壁，旋转压杆带动球实现自旋，(3)步骤S3，解除对击球杆的阻挡，随后带自旋的球被击球杆快速撞击。本发明通过发球装置实现撞击发球，且在撞击之前通过自旋调节模块实现球的自旋，从而可以发出自旋球，符合实际训练要求，可以训练球员对旋转球的及时应对策略和动作。
The invention discloses a multi-angle adjustable teeing method for sports equipment, which is characterized by comprising the following steps: (1) Step S1, the push cylinder moves forward to the spin station of the spin adjustment module, and the push cylinder moves backward During the process, the batting rod compresses the accumulating spring to realize the accumulating energy. (2) In step S2, both ends of the ball at the spin station are pressed by the rotating pressure rod of the spin adjustment module, and then the push cylinder moves slightly backward. , avoid contacting the outer wall of the ball, rotate the pressing rod to drive the ball to spin, (3) Step S3, release the blocking of the hitting rod, and then the ball with spin is quickly hit by the hitting rod. The invention realizes the impact service through the ball service device, and realizes the spin of the ball through the spin adjustment module before the collision, so that the spin ball can be issued, which meets the actual training requirements and can train players to respond to the spin ball in time.
Description
Technical Field
The invention relates to the field of serve training equipment, in particular to a multi-angle adjustable serve method of sports equipment.
Background
The pitching machine is a necessary entertainment and training tool for a plurality of ball houses and ball friend families. Is suitable for society, school, family and professional training stadiums. The pitching machine can be used for pitching various balls, can be used for entertainment and body building, is suitable for professional training, and has high cost performance. Publication No.: the invention patent of CN107050799A discloses a football long-distance service robot, which comprises a base, a service mechanism, a ball storage bin, an orientation rotary table and a first hydraulic cylinder; the ball serving mechanism comprises a ball serving channel, a second hydraulic cylinder, a spring, a ball blocking plate, a steering engine, a ball serving top block and a pressure sensor arranged on the ball serving top block; the front end of the azimuth turntable is also provided with an infrared distance meter; the azimuth turntable is also internally provided with a microprocessor, and the microprocessor is connected with a remote controller through a wireless communication module in a wireless signal mode. This design has the disadvantages of: the spin ball cannot be generated, the actual training is that the spin ball is very necessary, the timely coping strategy and action of the training players on the spin ball are one of the basic purposes of the training, and different spin can bring different track effects of the ball. When the ball flies forward without rotating, the air on the upper, lower, left and left surfaces of the ball flows backward at the same speed. If the ball body rotates upwards, air on the upper part of the ball is driven to flow forwards and is abutted against the air flowing backwards, so that the air flow rate on the upper part of the ball is reduced, and the pressure is increased; the upward rotation of the ball drives the air at the lower part of the ball to flow backwards, and the air flow velocity at the lower part of the ball is increased and the pressure is reduced. Thus, the ball is pressed down quickly in flight due to the large upper pressure and the small lower pressure of the ball, and a falling parabola track is formed. The faster the rotation, the faster the descent speed. Similarly, the downward rotating ball flies upward and the side rotating ball inclines. The hit ball cannot rotate, which is very different from the actual serving effect, and thus cannot adapt to the high-quality training effect.
Disclosure of Invention
The invention aims to provide a multi-angle adjustable ball serving method of sports equipment, which can realize ball serving through impact and can realize rotation.
The technical scheme adopted by the invention for solving the problems is as follows:
a multi-angle adjustable service method of sports equipment is characterized in that: the method comprises the following steps:
(1) step S1, the pushing cylinder of the goal module moves backwards, falls into the front of the pushing cylinder through the self gravity of the ball, the pushing cylinder moves forwards to the spin station of the spin adjusting module, the ball striking rod of the service module is pushed backwards in the backward movement process of the pushing cylinder, the ball striking rod compresses the force storage spring to realize energy storage, the ball striking rod is blocked to be incapable of moving forwards in the forward movement process of the pushing cylinder,
(2) step S2, the two ends of the ball at the spin station are pressed tightly by the rotating pressure rod of the spin adjusting module, then the propelling cylinder moves backwards slightly to avoid contacting the outer wall of the ball, the rotating pressure rod drives the ball to spin,
(3) step S3, the blocking of the ball hitting rod is released, the ball hitting rod moves forward rapidly under the action of the power storage spring, the rotating pressure rod moves outwards relative to the radial direction of the ball at the same time, the lower end of the rotating pressure rod is separated from the surface of the ball, then the ball with spin is impacted by the ball hitting rod rapidly,
in step S2, the direction of spin is adjusted by adjusting the rotation of the rotary pressure lever with respect to the axis of the pusher cylinder.
Preferably, in step S3, after the lower end of the rotation pressing rod is separated from the surface of the ball, at least two core rods are pushed on the surface of the ball, and the end surface of the core rods is hemispherical, so as to reduce the contact surface between the core rods and the ball, so that the position deviation of the ball is not too large at the moment of separation of the rotation pressing rod, and the applicant tests that if the core rods are lacked, the bounce range of the contact point of the ball striking rod striking the ball is large, which greatly affects the stability of the service, after the core rods are used, the bounce floating of the ball is reduced at the moment of separation, the bounce range of the contact point of the ball striking rod striking the ball is small, which greatly improves the stability of the service,
preferably, in step S3, the ball striking shaft passes through the middle of the propelling barrel. Therefore, the propelling uniformity is ensured in the process of propelling the ball by the propelling cylinder, the ball striking rod impacts from the middle, the contact surface is less, and the self-spinning influence on the ball is smaller.
Compared with the prior art, the invention has the following advantages and effects:
(1) realize striking service through the service device, and realize the spin of ball through spin adjusting module before the striking to can send out the spin ball, accord with actual training requirement, can train sportsman to in time coping strategy and the action of spin ball.
(2) The energy storage of the power storage spring can be realized in the ball feeding process, the operation efficiency is high, the action continuity is good, the smooth degree in the working process is high, and the ball serving efficiency is improved.
(3) After the inner core rod is adopted, the surface of the rotary pressure rod, which is separated from the ball, is instant, the jumping and floating of the ball are reduced, the jumping range of the contact point of the ball striking rod for striking the ball is smaller, and the stability of serving is greatly improved.
(4) The ball striking rod passes through the middle of the propelling barrel. Therefore, the propelling uniformity is ensured in the process of propelling the ball by the propelling cylinder, the ball striking rod impacts from the middle, the contact surface is less, and the self-spinning influence on the ball is smaller.
Drawings
Fig. 1 is a schematic structural diagram of a multifunctional court training pitching machine according to an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a ball serving device according to an embodiment of the invention.
Fig. 3 is a schematic sectional structure view of a ball serving device according to an embodiment of the present invention.
FIG. 4 is a schematic structural diagram of a spin adjustment module according to an embodiment of the invention.
FIG. 5 is a schematic view of an installation structure of the rotary pressing rod according to the embodiment of the present invention.
Fig. 6 is a schematic structural view of a cam according to an embodiment of the present invention.
Fig. 7 is a schematic diagram illustrating a change in the relative positional relationship between the lock lever and the lock block according to the embodiment of the present invention.
Reference numerals: the ball serving device 1, the base 21, the connecting plate 22, the lifting device 23, the ball serving module 3, the ball inlet module 4, the spin adjusting module 5, the ball serving barrel 31, the launching cavity 311, the sliding groove 312, the open groove 313, the pushing groove 314, the ball striking rod 32, the power storage spring 321, the front positioning block 331, the rear positioning block 332, the locking block 341, the locking rod 342, the locking ring 343, the locking ring gear 344, the locking gear 345, the locking motor 346, the rear sliding block 35, the power storage adjusting mechanism 36, the ball inlet 41, the ball inlet 411, the pushing barrel 42, the through hole 421, the pushing mechanism 43, the pushing plate 431, the connecting pulling plate 432, the steering sleeve 51, the spin space 511, the mounting cavity 512, the rotating pressure lever 52, the pressing block 521, the anti-slip pad 522, the top plate 523, the pressure lever spring 524, the inner core 53, the outer extension lever 531, the inner core pressure spring 532, the metal ring 533, the spin sleeve 54, the spin gear 551, the end face gear 552, the spin outer gear 553, a spin motor gear 554, a steering drive mechanism 56, a steering drive motor 561, a steering ring gear 562, a steering gear 563, a jack-up mechanism 57, a cam 571, a cam ring gear 572, a cam drive gear 573, a cam motor 574, and balls 6
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
The multifunctional court training pitching machine has the following functions to achieve the perfect actual training effect.
(1) The ball 6 sent out by the pitching machine should rotate, and as a preferred design, the spinning direction can be adjusted; the spin direction should be capable of selecting the conventional spin mode such as spin up, spin down, spin left, spin right, etc., and as a preferred design, the spin speed can be adjusted, and there is no direct correlation between the selected speed and the ejection speed of the ejected ball 6, so that the ejected ball 6 can be in the state of low speed (ejection speed) high rotation (spin speed), high speed high rotation, low speed low rotation, low speed high rotation, etc.,
(2) the service robot can realize continuous service of the service robot 6, and as a preferred design, the service robot can prepare for the action of the service robot 6 for the goal 6 (the ball 6 enters the launching cavity 311), thereby improving the efficiency of the service robot 6.
(3) The speed of the serving ball 6 of the serving machine should be adjustable, and the adjustment is preferably made by electronic control.
Preferably, the shooting angle of the service ball 6 of the service robot can be adjusted, and as a preferred design, the shooting angle can be automatically controlled and adjusted through electric control,
in order to achieve the above design objective, the working process of the present invention comprises the following steps:
(1) step S1, the pushing cylinder 42 of the goal module 4 moves backwards, falls into the front of the pushing cylinder 42 by the self gravity of the ball 6, the pushing cylinder 42 moves forwards to the spinning station of the spinning adjusting module 5, the ball striking rod 32 of the service module 3 is pushed backwards in the backward movement process of the pushing cylinder 42, the ball striking rod 32 compresses the force storage spring 321 to realize energy storage, the ball striking rod 32 is blocked to be incapable of moving forwards in the forward movement process of the pushing cylinder 42,
(2) in step S2, the two ends of the ball 6 located at the spin station are pressed by the rotating pressing rod 52 of the spin adjusting module 5, and then the pushing cylinder 42 moves backwards slightly to avoid contacting the outer wall of the ball 6, the rotating pressing rod 52 drives the ball 6 to spin,
(3) in step S3, the blocking of the ball striking rod 32 is released, the ball striking rod 32 moves forward rapidly by the power storage spring 321, the rotary pressing rod 52 moves outward in the radial direction with respect to the ball 6, the lower end of the rotary pressing rod 52 is separated from the surface of the ball 6, and the ball 6 with spin is rapidly hit by the ball striking rod 32.
In step S2, the direction of spin is adjusted by adjusting the rotation of the rotary presser bar 52 relative to the axis of the pusher cylinder 42.
Preferably, in step S2, after the lower end of the rotary press rod 52 is separated from the surface of the ball 6, at least two core rods 53 are pushed against the surface of the ball 6, and the end surface of the core rod 53 is made to be a hemispherical surface 6, so as to reduce the contact surface between the core rod 53 and the ball 6, so that the position deviation of the ball 6 is not too large at the moment of separation of the rotary press rod 52, and the applicant tests that if the core rod 53 is absent, the bounce range of the contact point of the ball 6 hit by the ball hitting rod 32 is large, which greatly affects the stability of the ball 6, and after the core rod 53 is used, the bounce and floating of the ball 6 are reduced at the moment of separation, the bounce range of the contact point of the ball 6 hit by the ball hitting rod 32 is small, which greatly improves the stability of the ball 6,
preferably, in the step S2, the ball striking shaft 32 passes through the middle of the propelling cylinder 42. Thereby ensuring the uniformity of the propulsion during the propulsion of the ball 6 by the propulsion cylinder 42, the impact of the ball striking rod 32 from the middle, and less contact surface, less influence on the spin of the ball 6.
Based on the working method, the embodiment provides a multifunctional field training pitching machine,
referring to fig. 1-3, the ball serving device comprises a ball serving device 1, a base 21, a connecting plate 22 and a lifting device 23. The lifting device 23 adopts an electric cylinder, the front end of the ball serving device 1 is hinged to the upper end of the connecting plate 22, the lower end of the connecting plate 22 is fixed on the base 21, the two ends of the lifting device 23 are respectively hinged to the ball serving device 1 and the base 21, and by adopting the structure, the change of the whole angle of the ball serving device 1 is realized and the ejection angle of the ball serving 6 of the ball serving device 1 is realized through the telescopic motion of the lifting device 23.
The ball serving device 1 comprises a ball serving module 3, a ball inlet module 4 and a spin adjusting module 5, wherein the ball serving module 3 comprises a ball serving barrel 31, a ball striking rod 32, a power storage spring 321, a front positioning block 331, a rear positioning block 332, a locking block 341, a locking rod 342, a locking ring 343, a locking gear 344, a locking gear 345 and a locking motor 346, a launching cavity 311 is arranged in the ball serving barrel 31, the ball striking rod 32 is arranged in the launching cavity 311, the locking block 341 is fixed on the ball striking rod 32, the power storage spring 321 is sleeved on the ball striking rod 32, two ends of the power storage spring 321 respectively abut against the rear positioning block 332 and the locking block 341, the front positioning block 331 is fixed on the inner wall of the launching cavity 311, the front positioning block 331 is positioned in front of the locking block 341, a groove 313 communicated with the launching cavity 311 is arranged on the ball serving barrel 31, the groove 313 is arranged along the circumferential direction of the outer wall of the ball serving barrel 31, the locking rod 342 is inserted in the groove 313,
the outer end of the locking rod 342 is fixed on a locking ring 343, the locking ring 343 is fixed with a locking gear ring 344, the locking ring 343 is sleeved on and rotatably mounted on the service barrel 31, the service barrel 31 is fixed with a locking motor 346, a motor shaft of the locking motor 346 is fixed with a locking gear 345, the locking gear 345 is meshed with the locking gear ring 344, the locking gear 345 is driven to rotate by the locking motor 346, the locking gear ring 344 is driven to rotate, and the locking rod 342 rotates in a groove 313 of the locking rod 342, so that the locking rod 342 can be switched between a state of blocking the locking block 341 (shown in (a) in fig. 7) and a state of not blocking the locking block 341 (shown in (b) in fig. 7).
The goal module 4 comprises a goal barrel 41, a propelling barrel 42, a propelling mechanism 43 and a push plate 431, wherein a goal channel for a goal 6 is arranged in the goal barrel 41, the goal channel is communicated to a launching cavity 311 through a goal opening 411 arranged on a service barrel 31, the propelling barrel 42 is slidably arranged in the launching cavity 311, a through hole 421 for penetrating through the batting rod 32 is formed in the middle of the propelling barrel 42, the push plate 431 is fixed on the batting rod 32, the propelling mechanism 43 drives the propelling barrel 42 to move back and forth, and when the propelling barrel 42 moves backwards, the push plate 431 can be pushed, so that the batting rod 32 is driven to move backwards by overcoming the resistance of the power storage spring 321, and when the locking block 341 moves to the locking rod 342, the locking block 341 is blocked by rotating the locking rod 342; originally, the inlet 6 of the ball blocked by the pushing cylinder 42 is not blocked in the process that the pushing cylinder 42 moves backwards, the ball 6 falls into the launching cavity 311 from the ball inlet channel through the inlet 6, then the pushing cylinder 42 moves forwards, the pushing cylinder 42 pushes the ball 6 forwards, and the pushing cylinder 42 blocks the inlet 6 of the ball again.
Referring to fig. 4, the spin adjustment module 5 includes a steering sleeve 51, a rotary pressure lever 52, a core lever 53, a pressure lever spring 524, a core pressure spring 532, a spin sleeve 54, a spin gear 551, a face gear 552, a spin external gear 553, a spin motor gear 554, a spin drive motor, and a top plate 523, the steering sleeve 51 is rotatably mounted at the front end of the barrel 31, the axes of the steering sleeve 51 and the barrel 31 are arranged in a collinear manner, the steering sleeve 51 is rotated relative to the barrel 31 by a steering drive mechanism 56, and a spin space 511 (i.e., a spin station) for the spin of the ball 6 is formed in the steering sleeve 51.
The two rotary pressure rods 52 are slidably mounted on the steering sleeve 51, the rotary pressure rods 52 can linearly move and rotate relative to the steering sleeve 51, the two rotary pressure rods 52 are symmetrically arranged relative to the axis of the steering sleeve 51, the lower ends of the rotary pressure rods 52 are positioned in the spinning space 511, the lower ends of the rotary pressure rods 52 are fixed with press blocks 521 for pressing on the balls 6, the lower ends of the press blocks 521 are fixed with anti-skid pads 522, pressure rod springs 524 for inwards propping against the rotary pressure rods 52 are sleeved on the rotary pressure rods 52,
referring to fig. 5, an inner core rod 53 is slidably mounted in the rotary pressure rod 52, the lower end of the inner core rod 53 penetrates through the lower end of the pressing block 521, an outer extension rod 531 is fixed at the upper end of the inner core rod 53, the outer extension rod 531 penetrates out of the rotary pressure rod 52 from a pressure rod slot formed in the rotary pressure rod 52, the outer extension rod 531 abuts against one end of the inner core pressure spring 532, the other end of the inner core pressure spring 532 abuts against the steering sleeve 51, the inner end of the inner core rod 53 is an arc surface, the inner core rod 53 mainly aims to separate the pressing block 521 from the surface of the ball 6 at the moment when the rotary pressure rod 52 slides outwards, the two inner core rods 53 can also abut against the two ends of the ball 6, and then the striking rod 32 ejected by the power storage spring 321 impacts on the surface of the ball 6 to quickly.
One of the rotating compression rods 52 is sleeved with a spinning sleeve 54, the spinning sleeve 54 is fixed relative to the rotating compression rod 52 in the circumferential direction and slides in the axial direction, a spinning gear 551 is fixed on the spinning sleeve 54, the spinning gear 551 is meshed with a face gear 552, the face gear 552 is rotatably arranged on the steering sleeve 51,
the spin outer gear 553 is fixed on the end face gear 552, the spin motor gear 554 is fixed on the motor shaft of the spin driving motor, the spin motor gear 554 is meshed with the spin outer gear 553, the spin motor gear 554 is driven to rotate by the spin driving motor, the spin outer gear 553 is driven to rotate, the end face gear 552 is driven, the spin gear 551 is driven by the end face gear 552, the spin sleeve 54 is driven to rotate, the rotary pressure rod 52 is driven to rotate, the press block 521 is arranged on the outer wall of the ball 6 under the elastic force of the pressure rod spring 524 by the rotary pressure rod 52, the ball 6 is driven to rotate by the rotation of the rotary pressure rod 52, the spin of the ball 6 is realized, when the two rotary pressure rods 52 are positioned in the vertical direction, the rotary pressure rod 52 rotates forwards, the left rotation of the ball 6 can be realized, the rotary pressure rod 52 rotates reversely, the right rotation of the ball 6 can be realized, and the steering sleeve 51 rotates 90 degrees relative to the ball barrel 31, the two rotary pressure rods 52 are positioned in the horizontal direction, the backward rotation of the ball 6 can be realized by the forward rotation of the rotary pressure rods 52, the forward rotation can be realized by the reverse rotation of the rotary pressure rods 52,
the top plates 523 are fixed at the upper ends of the two rotary pressure rods 52, the jacking mechanism 57 for jacking the top plates 523 outwards is installed on the steering sleeve 51, and after the top plates 523 are jacked up, the pressing blocks 521 at the lower ends of the rotary pressure rods 52 are quickly separated from the surface of the ball 6, so that the next quick ball hitting 6 is carried out.
In this embodiment, the service module 3 includes a power storage adjusting mechanism 36, the power storage adjusting mechanism 36 adopts a screw mechanism, and a rear positioning block 332 is fixed on a screw nut of the power storage adjusting mechanism 36, so that the front and rear positions of the rear positioning block 332 are changed by the power storage adjusting mechanism 36, thereby adjusting the degree of compression of the power storage spring 321, and thus adjusting the speed of hitting 6 by the power storage spring 321.
In this embodiment, the rear sliding block 35 is fixed on the ball hitting rod 32, the outer wall of the ball barrel 31 is provided with a sliding groove 312, the rear sliding block 35 is slidably mounted on the sliding groove 312,
in this embodiment, the propelling mechanism 43 adopts a screw rod structure, a connecting pull plate 432 is fixed on the propelling cylinder 42, the connecting pull plate 432 penetrates out of the propelling groove 314 formed in the ball-serving cylinder 31, and the connecting pull plate 432 is connected to a screw nut of the propelling mechanism 43, so that the propelling cylinder 42 is driven by the propelling mechanism 43 to move back and forth.
In this embodiment, the steering driving mechanism 56 includes a steering driving motor 561, a steering ring gear 562, and a steering gear 563, the steering driving motor 561 is fixed on the ball-making barrel 31, the steering ring gear 562 is fixed on the steering sleeve 51, the steering ring gear 562 is engaged with the steering gear 563, and a motor shaft of the steering driving motor 561 fixes the steering gear 563.
In this embodiment, the jacking mechanism 57 includes a cam 571, a cam ring gear 572, a cam driving gear 573, and a cam motor 574, the cam driving gear 573 is fixed to a motor shaft of the cam motor 574, the cam driving gear 573 engages with the cam ring gear 572, the cam 571 and the cam ring gear 572 are fixed, and the cam 571 and the cam ring gear 572 are rotatably mounted on the steering sleeve 51. The cam motor 574 drives the cam driving gear 573 to rotate, and further drives the cam ring gear 572 to rotate, so that the cam 571 is driven to rotate, and the top plate 523 is jacked up by the cam 571.
In this embodiment, the steering sleeve 51 is provided with an installation cavity 512, the inner core pressure spring 532 is disposed in the installation cavity 512, a metal ring 533 is disposed in the installation cavity 512, the metal ring 533 is sleeved on the rotating pressure rod 52, the metal ring 533 is located above the extension rod 531 of the inner core rod 53, and two ends of the inner core pressure spring 532 respectively abut against the upper end of the installation cavity 512 and the metal ring 533.
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (2)
1. A multi-angle adjustable service method of sports equipment is characterized in that: the method comprises the following steps:
(1) step S1, the pushing cylinder of the goal module moves backwards, falls into the front of the pushing cylinder through the self gravity of the ball, the pushing cylinder moves forwards to the spin station of the spin adjusting module, the ball striking rod of the service module is pushed backwards in the backward movement process of the pushing cylinder, the ball striking rod compresses the force storage spring to realize energy storage, the ball striking rod is blocked to be incapable of moving forwards in the forward movement process of the pushing cylinder,
(2) step S2, the two ends of the ball at the spin station are pressed tightly by the rotating pressure rod of the spin adjusting module, then the propelling cylinder moves backwards slightly to avoid contacting the outer wall of the ball, the rotating pressure rod drives the ball to spin,
(3) step S3, the blocking of the ball hitting rod is released, the ball hitting rod moves forward rapidly under the action of the power storage spring, the rotating pressure rod moves outwards relative to the radial direction of the ball at the same time, the lower end of the rotating pressure rod is separated from the surface of the ball, then the ball with spin is impacted by the ball hitting rod rapidly,
in the step S2, the direction of spin is adjusted by adjusting the rotation of the rotary pressing rod relative to the axis of the pushing cylinder,
in the step S3, after the lower end of the rotating pressure lever is separated from the surface of the ball, at least two core rods are pushed on the surface of the ball, and the end surfaces of the core rods are hemispherical surfaces, so that the contact surface between the core rods and the ball is reduced, and the position deviation of the ball is not too large at the moment of separation of the rotating pressure lever, the step S3 is realized by a spin adjusting module, which includes a steering sleeve, a rotating pressure lever, a core rod, a pressure lever spring, a core pressure spring, a spin sleeve, a spin gear, an end gear, a spin outer gear ring, a spin motor gear, a spin drive motor and a top plate, the steering sleeve is rotatably mounted at the front end of the ball barrel, the steering sleeve and the ball barrel are arranged along the axis, the steering sleeve is rotated relative to the ball barrel collinearly through a steering drive mechanism, and a spin space for the ball to spin is arranged in the steering sleeve, two rotating pressure rods are slidably mounted on a steering sleeve, the rotating pressure rods can linearly move and rotate relative to the steering sleeve, the two rotating pressure rods are symmetrically arranged relative to the axis of the steering sleeve, the lower ends of the rotating pressure rods are positioned in a spinning space, a pressing block used for pressing a ball is fixed at the lower end of each rotating pressure rod, an anti-slip mat is fixed at the lower end of each pressing block, a pressure rod spring used for inwards propping against the rotating pressure rods is sleeved on each rotating pressure rod, an inner core rod is slidably mounted in each rotating pressure rod, the lower end of each inner core rod penetrates out from the lower end of each pressing block, an outer extension rod is fixed at the upper end of each inner core rod, the outer extension rod penetrates out of each rotating pressure rod from a pressure rod groove formed in each rotating pressure rod, each outer extension rod props against one end of an inner core pressure spring, the other end of each inner core rod props against the steering sleeve, the inner end of each inner core rod is of an arc surface, a spinning sleeve is sleeved on one rotating pressure rod, and the spinning sleeve keeps circumferentially fixed and axially slides relative to the rotating pressure rods, the spinning sleeve is fixedly provided with a spinning gear, the spinning gear is meshed with an end face gear, the end face gear is rotatably installed on a steering sleeve, a spinning outer gear ring is fixed on the end face gear, a motor shaft of a spinning driving motor is fixedly provided with a spinning motor gear, the spinning motor gear is meshed with the spinning outer gear ring, rotating compression rods are pressed on the outer wall of a ball under the elastic force of compression rod springs, top plates are fixed at the upper ends of the two rotating compression rods, and a jacking mechanism used for jacking the top plates outwards is installed on the steering sleeve.
2. The multi-angle adjustable serve method of sports equipment of claim 1, wherein: in the step S3, the ball striking rod passes through the middle of the propelling barrel, so as to ensure the uniformity of propelling during the ball propelling process of the propelling barrel, the ball striking rod strikes from the middle, the contact surface is less, and the influence on the spin of the ball is less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347248.0A CN111617455B (en) | 2020-04-28 | 2020-04-28 | A multi-angle adjustable ball serving method for sports equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347248.0A CN111617455B (en) | 2020-04-28 | 2020-04-28 | A multi-angle adjustable ball serving method for sports equipment |
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| CN111617455B true CN111617455B (en) | 2021-07-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2206678A5 (en) * | 1972-11-13 | 1974-06-07 | Rhone Poulenc Sa | |
| US4209003A (en) * | 1977-08-24 | 1980-06-24 | Sainsbury Thomas E | Softball pitching machine |
| GB2293979B (en) * | 1994-10-14 | 1998-01-14 | Henry Charles Pryor | Ball ejection machine |
| US5916033A (en) * | 1997-12-26 | 1999-06-29 | Doherty; William L. | Golf ball teeing-up device |
| US6427675B1 (en) * | 2000-08-22 | 2002-08-06 | Marcus L. Caldwell | Ball pitching apparatus |
| CN202460058U (en) * | 2012-03-13 | 2012-10-03 | 山东轻工业学院 | Handheld dust-removal table tennis ball pitching machine |
| CN203208638U (en) * | 2013-03-22 | 2013-09-25 | 杨德芳 | Intelligent table tennis serving machine |
| US20170252630A1 (en) * | 2014-10-17 | 2017-09-07 | Powasports Pty Ltd. | Apparatus for launching a ball |
| CN204246791U (en) * | 2014-12-10 | 2015-04-08 | 广州市工贸技师学院 | A kind of table tennis ball serving device |
| CN205145557U (en) * | 2015-11-28 | 2016-04-13 | 许昌学院 | Device is launched in tennis training |
| CN106955476B (en) * | 2017-04-03 | 2018-01-09 | 袁超 | A kind of robot table tennis ball serving device |
| CN207126088U (en) * | 2017-09-04 | 2018-03-23 | 三峡大学 | A kind of table tenning ball servicing machine |
| CN208660286U (en) * | 2018-08-29 | 2019-03-29 | 山东科技大学 | A server for tennis training |
| CN210021114U (en) * | 2019-06-03 | 2020-02-07 | 张双印 | Table tennis ejector |
| CN110302517A (en) * | 2019-07-15 | 2019-10-08 | 江西师范大学 | A tennis ball serving device for sports training |
| CN110772776B (en) * | 2019-10-29 | 2021-09-03 | 中科新松有限公司 | Table tennis serving robot and serving method |
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