CN108654047B

CN108654047B - Arc rotary ball launching simulation equipment based on hydrodynamics

Info

Publication number: CN108654047B
Application number: CN201810386555.2A
Authority: CN
Inventors: 林泽和
Original assignee: Shaoxing Yinchuan Software Development Co ltd
Current assignee: Shandong Jiuzhou Automobile Manufacturing Co ltd
Priority date: 2018-04-26
Filing date: 2018-04-26
Publication date: 2020-07-24
Anticipated expiration: 2038-04-26
Also published as: CN108654047A; CN111481910A

Abstract

The invention relates to the technical field of sports equipment, and discloses a hydrodynamics-based arc spin ball launching simulation device which comprises a machine body, wherein the left upper part of the machine body is an arc surface, the bottom of the right side of the machine body is provided with a through groove, and the bottom of the inner wall of the machine body is fixedly connected with a ball placing mechanism which is positioned right below the circle center of the arc surface. The invention solves the problem that the teaching of a coach can be influenced because the primary football player can not perform systematic teaching when learning the arc spin kicking method. The three-phase asynchronous motor works, the rotating rod C can be rotated, the gear B is driven to rotate, the meshed gear A can be rotated to drive the kicking rod to rotate, the kicking rod can be driven to strike the striking point of the football, meanwhile, the micro motor works to rotate the rotating rod B, the two rotating handles are driven to rotate to strike the football, a rotating force is given to the football, and the trajectory route and the kicking point of the arc rotary ball can be simulated and observed.

Description

Arc rotary ball launching simulation equipment based on hydrodynamics

Technical Field

The invention relates to the technical field of sports equipment, in particular to a cambered rotary ball launching simulation device based on hydrodynamics.

Background

The arc spinning ball is also called as arc line ball and banana ball, which is the technical term in football (English banana ball). Refers to a technique for kicking the ball by a player in an arc way after kicking the ball by a foot method. The arc line ball is usually used for an attacker to obtain a direct free ball near a forbidden zone of the other party, and the attacker can directly shoot a goal to score by using the arc line running state of the arc line ball to avoid the wall.

For example, the football training pass disclosed in the chinese patent CN104162263A, and provides a football training pass which can send out the arc spin and the position and direction of the falling point of the arc spin can be accurately controlled, the use is convenient, the structure is simple, and only the ball with different arc lines is shot.

However, the special training or teaching of the arc spin does not have a method for launching simulation teaching, so that the primary football players can not systematically teach when learning the arc spin kicking method, and the teaching of coaches can be influenced

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a radial spin launch simulation device based on hydrodynamics, which solves the problem that a primary football player can not systematically teach and can influence the teaching of a coach when learning a radial spin kicking method.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an arc rotary ball launching simulation device based on hydrodynamics comprises a machine body, wherein the left upper part of the machine body is an arc surface, a through groove is arranged at the bottom of the right side of the machine body, a ball placing mechanism is fixedly connected at the bottom of the inner wall of the machine body and is positioned right below the circle center of the arc surface, a kicking swing simulation mechanism is arranged at the arc surface of the inner wall of the machine body, a kicking resetting simulation mechanism is also arranged at the arc surface of the inner wall of the machine body, a ball placing opening positioned at the front of the ball placing mechanism is arranged at the front of the machine body, and a football can be placed in the ball placing opening, meanwhile, the football player can watch and observe the football, so that when the primary football player learns the arc spin kicking method, can systematic teaching, can not influence coach's teaching, the right side fixedly connected with hang plate of organism inner wall bottom, the four corners fixedly connected with support of organism bottom, the handrail is carried to the top fixedly connected with of organism.

Preferably, put football mechanism including supporting the base, and the top fixedly connected with curved plate of support base, and the diameter of curved plate inner circle is about 21.5CM, and the inner circle of curved plate matches each other with the diameter of No. five football, the top fixedly connected with 15-30 rubber of curved plate are protruding, be the equidistance setting between two adjacent rubber arch, support the base through setting up, the curved plate, rubber is protruding, support the base and support, and the setting of curved plate is according to the special 11 people system football settings of match, make the football when hitting, can not cause the error, be convenient for playing and studying of arc rotary ball.

Preferably, the kicking swing simulation mechanism comprises a C-shaped support seat A and a C-shaped support seat B, the C-shaped support seat A is arranged between the front side and the back side of the inner wall of the machine body, a rotating rod A is movably connected between the two sides of the inner wall of the C-shaped support seat A, a gear A is fixedly connected to the surface of the rotating rod A, a kicking rod positioned at the back side of the gear A is fixedly connected to the bottom of the rotating rod A, a notch is formed in the bottom of the kicking rod, a micro motor is fixedly connected to the top of the inner wall of the notch, a rotating rod B is fixedly connected to the output end of the bottom of the micro motor, two rotating handles are fixedly connected to the bottom of the rotating rod B, the size of the rotating handle positioned at the top is slightly smaller than that of the rotating handle at the bottom, by arranging the two rotating handles, the lower part is larger, the novel football kicking device is convenient to use, enables the hitting effect of the arc-shaped rotating ball to be better, can simulate and observe the track route and the kicking point of the arc-shaped rotating ball, enables primary football players to learn the arc-shaped rotating ball kicking method in a systematic way without influencing teaching of coaches, and can also exercise the reaction capacity of goalkeepers, the left side of the rotating handle is smaller than the right side of the rotating handle, the top of the C-shaped supporting seat B is vertically arranged at the tangent of the arc surface of the machine body, the back of the C-shaped supporting seat B is fixedly connected with a three-phase asynchronous motor, the output end of the top of the three-phase asynchronous motor is fixedly connected with a rotating rod C, the top of the rotating rod C penetrates through the C-shaped supporting seat B, a gear B is fixedly connected onto the surface of the rotating rod C, and the gear B is meshed with the gear A, Dwang A, gear A, kick the leg pole, the notch, micro motor, dwang B, the rotation handle, C style of calligraphy supporting seat B, three-phase asynchronous machine, dwang C, gear B, use through kicking leg swing analog mechanism, three-phase asynchronous machine work, can make dwang C rotate, and drive gear B rotates, make the gear A of meshing rotate and to drive the kicking leg pole and rotate, and can make kicking leg pole department hit the hitting department of hitting the football, micro motor work simultaneously, make dwang B rotatory, and make two rotatory hitting of rotation handle hit the football simultaneously, give a revolving force of football, can simulate and observe the trajectory route and the kicking point of arc rotary ball, make elementary football person when studying arc rotary ball kicking, can systematic teaching, can not influence coach's teaching.

Preferably, the kicking reset simulation mechanism comprises a gasket, the gasket is fixedly connected to the arc surface of the inner wall of the machine body, the gasket is located below the kicking swing simulation mechanism, the right side of the gasket is fixedly connected with a first elastic rope and a second elastic rope, the first elastic rope is located above the second elastic rope, the first elastic rope is arc-shaped, the length of the first elastic rope is slightly longer than that of the second elastic rope, the first elastic rope is tightened to give the greatest force when the kicking swing simulation mechanism swings legs by arranging the first elastic rope and the second elastic rope, meanwhile, the second elastic rope is used for protecting the first elastic rope after being tightened and damaged, and is also used for giving the chance of secondary reset, the right sides of the first elastic rope and the second elastic rope are fixedly connected with the kicking rod, and three elastic rings are fixedly connected between the first elastic rope and the second elastic rope, the interval between two adjacent elastic rings equals, through setting up the elastic ring, the pulling force that produces can not damage first elastic rope and second elastic rope because of tightening back between first elastic rope and the second elastic rope can be protected to three elastic ring, through setting up kicking leg canceling release mechanical system, the gasket, first elastic rope, second elastic rope, the elastic ring, kicking leg canceling release mechanical system's setting can give the resetting after kicking leg swing analog mechanism hits the beating, the repetitive operation of can being convenient for, teaching that can be systematic, can not influence coach's teaching.

Preferably, the diameter ratio of the gear B to the gear A is 2:1, the radian between tooth tracks of the gear B is 120-135 degrees, the gear A and the gear B are arranged, and the gear B can rotate sixty degrees to cause the kicking rod to rotate one hundred twenty degrees, so that a football can be continuously kicked and pulled after the football point is completely hit, a rotating force is given to the football, a higher height can be kicked, and a trajectory path and a kicking point of a radial spin can be simulated and observed, so that a primary football player can systematically teach when learning the radial spin kicking method, and the teaching of a coach cannot be influenced.

Preferably, the center department of C style of calligraphy supporting seat A is the same with the centre of a circle department of organism inner wall arc surface department, sets up the organism that the upper left corner is the arc surface, because the center department of C style of calligraphy supporting seat A is the same with the centre of a circle department of organism inner wall arc surface department for kicking leg swing analog mechanism can be rotatory along the arc surface in the moving, can not cause the phenomenon of card pause, makes elementary football person when studying the arc spin playing method, can systematic teaching, can not influence coach's teaching.

Preferably, the radius of the arc surface of the inner wall of the machine body is larger than that of the kicking rod, so that the machine body cannot be damaged.

Preferably, the model of the three-phase asynchronous motor is YE3-80M2-4, the power range is 0.75-375 kW, the frequency is 50Hz, and the model of the micro motor is JGB 37-520.

Preferably, the height of the through groove is 30-40 cm, and the through groove is larger than the height of the 11 players for playing the football, so that the lifting track of the football cannot be influenced when the football is lifted.

The working principle is as follows: 1. at the time of transmission: the football is put into the curved plate, the three-phase asynchronous motor works, the rotating rod C can be rotated and drives the gear B to rotate, the gear B can lead the kicking rod to rotate by one hundred twenty degrees when rotating sixty degrees, the football can be continuously kicked and pulled after the football point can be completely hit, a rotating force is given, the kicking rod can be used for hitting the hitting point of the football, a higher height can be kicked, meanwhile, the micro motor works, the rotating rod B rotates, the football can be hit while the two rotating handles rotate, a rotating force is given to the football, the track route and the kicking point of the arc rotary ball can be simulated and observed, according to Bernoulli equation (p + rho gh + (1/2) & ltp v 2 ^ C) of hydromechanics, the air pressure of the place with higher fluid speed is lower, and therefore, the air pressure of the football surface is lower than that of the left surface, a rightward force is generated. As a result, the football can be used for simulating and observing the track route and the kicking point of the arc spin ball when the football is going forward, thereby causing the bending ball (as shown in figure 7) to play the arc spin ball, and leading the primary football player to be capable of systematically teaching without influencing the teaching of the coach when learning the arc spin ball kicking method,

2. after the launch: three-phase asynchronous machine work can be so that steering column C reverse rotation, and when gear B reverse rotation sixty degrees, can lead to the kicking leg pole can rotate one hundred twenty degrees, assists through first elasticity rope and second elasticity rope and resets to original state department, is convenient for next transmission operation (as shown in fig. 8).

(III) advantageous effects

The invention provides arc rotary ball launching simulation equipment based on hydrodynamics. The method has the following beneficial effects:

(1) the invention is provided with a kicking swing simulation mechanism, a C-shaped supporting seat A, a rotating rod A, a gear A, a kicking rod, a notch, a micro motor, a rotating rod B, a rotating handle, a C-shaped supporting seat B, a three-phase asynchronous motor, a rotating rod C and a gear B, through the use of the kicking swing simulation mechanism, the three-phase asynchronous motor works to enable the rotating rod C to rotate and drive the gear B to rotate, so that the meshed gear A rotates to drive the kicking rod to rotate, and the kicking rod part can be driven to strike a football striking point, meanwhile, the micro motor works to enable the rotating rod B to rotate, and enable the two rotating handles to strike the football while rotating, and a rotating force is given to simulate and observe the trajectory route and the kicking point of the arc rotary ball, so that a primary football player can systematically teach when learning the arc rotary ball kicking method, the teaching of the coach can not be influenced.

(2) According to the invention, the gear radius ratio of the gear A to the gear B is set to be 2:1, so that when the gear B rotates sixty degrees, the kicking rod can rotate one hundred twenty degrees, the football can be continuously kicked and pulled after the football point is completely hit, a rotating force is given, a higher height can be kicked, and the trajectory route and the kicking point of the arc spin can be simulated and observed, so that a primary football player can perform systematic teaching without influencing the teaching of a coach when learning the arc spin ball kicking method.

(3) According to the invention, the two rotary handles are arranged, the lower part between the two rotary handles on each side surface is larger than the upper part, so that a football can be wrapped while a rotary force is given, the football can be conveniently rotated to the maximum degree and can be conveniently used, the hitting effect of the arc rotary ball is better, the track route and the ball kicking point of the arc rotary ball can be simulated and observed, and a primary football player can systematically teach when learning the arc rotary ball kicking method, the teaching of a coach can not be influenced, and the reaction capability of a goalkeeper can also be trained.

(4) According to the invention, the kicking reset mechanism, the gasket, the first elastic rope, the second elastic rope and the elastic ring are arranged, and the kicking reset mechanism can reset the kicking swing simulation mechanism after being hit, so that the kicking swing simulation mechanism is convenient to operate repeatedly, can be used for systematic teaching, and cannot influence the teaching of a coach.

(5) According to the invention, the first elastic rope and the second elastic rope are arranged, so that the first elastic rope is tightened to give the maximum force when the kicking swing simulation mechanism swings the legs, and meanwhile, the second elastic rope is used for protecting the first elastic rope after being tightened and damaged, and gives the opportunity of secondary reset, and auxiliary reset can be carried out.

(6) According to the invention, the elastic rings are arranged, and the three elastic rings can protect the tension generated between the first elastic rope and the second elastic rope after being tightened from damaging the first elastic rope and the second elastic rope.

(7) According to the invention, the supporting base is used for supporting through the arrangement of the supporting base, the curved plate and the rubber bulge, and the arrangement of the curved plate is based on the arrangement of 11 players for football special for a match, so that errors can not be caused when the football is hit, and the playing and learning of the arc spin ball are facilitated.

(8) According to bernoulli's equation (p + ρ gh + (1/2) × ρ v ^2 ═ c) of fluid mechanics, the air pressure is lower where the fluid velocity is greater, so the air pressure on the right side of the soccer ball is lower than on the left side, creating a force to the right. As a result, the soccer ball receives a force pushing it to the right while walking forward, resulting in a curved ball.

(9) The invention has the advantages that through the through groove which is larger than the height of the football which is manufactured by 11 special players for the match, the rising track of the football is not influenced when the football rises,

(10) the invention can put in the football through arranging the ball putting port, and can also observe and watch, so that the primary football player can perform systematic teaching when learning the arc spin kicking method, and the teaching of a coach can not be influenced.

(11) The machine body with the arc surface at the upper left corner is arranged, and the center of the C-shaped supporting seat A is the same as the center of the arc surface at the inner wall of the machine body, so that the kicking swing simulation mechanism can rotate along the arc surface when in operation, the phenomenon of blockage cannot be caused, and the primary football players can perform systematic teaching when learning the arc spin kicking method, and the teaching of coaches cannot be influenced.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the kicking swing simulation mechanism of the present invention in a vertical state;

FIG. 3 is a schematic structural diagram of the ball placement mechanism of the present invention;

FIG. 4 is a schematic structural view of a kicking swing simulation mechanism of the present invention;

FIG. 5 is a schematic cross-sectional view of a part of the kicking bar of the present invention;

FIG. 6 is a right side view of the C-shaped supporting base B according to the present invention;

FIG. 7 is a schematic structural view of the kicking-resetting mechanism of the present invention;

FIG. 8 is a schematic view of the internal structure of the kicking swing simulating mechanism of the present invention for full impact;

fig. 9 is a schematic view of the internal structure of the kicking swing simulation mechanism of the present invention after being reset.

In the figure: 1 machine body, 2 through grooves, 3 ball placing mechanisms, 301 supporting bases, 302 curved plates, 303 rubber bulges, 4 kicking swing simulation mechanisms, 401C-shaped supporting seats A, 402 rotating rods A, 403 gear A, 404 kicking rods, 405 notches, 406 micro motors, 407 rotating rods B, 408 rotating handles, 409C-shaped supporting seats B, 410 three-phase asynchronous motors, 411 rotating rods C, 412 gear B, 5 kicking reset mechanisms, 501 gaskets, 502 first elastic ropes, 503 second elastic ropes, 504 elastic rings, 6 ball placing openings, 7 inclined plates, 8 supports and 9 lifting handrails.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-2, the present invention provides a technical solution: a simulation device for launching a volleyball based on hydrodynamics comprises a machine body 1, wherein the left upper part of the machine body 1 is an arc surface, the bottom of the right side of the machine body 1 is provided with a through groove 2, the height of the through groove 2 is 30-40 cm, the through groove 2 is larger than the height of a special 11-person football for a match, so that the football does not influence the ascending track when ascending, the bottom of the inner wall of the machine body 1 is fixedly connected with a ball releasing mechanism 3 which is positioned right below the circle center of the arc surface, the arc surface of the inner wall of the machine body 1 is provided with a kicking swing simulation mechanism 4, the arc surface of the inner wall of the machine body 1 is also provided with a kicking reset simulation mechanism 5, the front of the machine body 1 is provided with a ball releasing port 6 which is positioned on the front of the ball releasing mechanism 3, the football can be placed and also can be viewed by arranging the ball releasing port, teaching that can systematism can not influence the coach, the right side fixedly connected with hang plate 7 of 1 inner wall bottom of organism, the four corners fixedly connected with support 8 of 1 bottom of organism, and the top fixedly connected with of organism 1 carries and draws handrail 9, can carry on portably places different positions, is convenient for go to penetrate the arc rotary ball of different positions.

Example two:

as shown in fig. 1-3, on the basis of the first embodiment, the present invention provides a technical solution: put ball mechanism 3 including supporting base 301, and the top fixedly connected with curved plate 302 of supporting base 301, and the diameter of curved plate 302 inner circle is about 21.5CM, and the inner circle of curved plate 302 matches each other with the diameter of five ball football, the protruding 303 of 15-30 rubber of top fixedly connected with of curved plate 302, be the equidistance setting between two adjacent rubber arch 303, the protruding 303 increase friction of rubber, support base 301 through setting up, curved plate 302, the protruding 303 of rubber, support base 301 supports, and curved plate 302's setting is according to the special 11 people system football settings in match, make the football when hitting, can not cause the error, be convenient for play and study of arc rotary ball.

Example three:

as shown in fig. 1 to 6, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the kicking swing simulation mechanism 4 comprises a C-shaped support seat A401 and a C-shaped support seat B409, the center of the C-shaped support seat A401 is the same as the center of a circle at the arc surface of the inner wall of the machine body 1, the machine body 1 with the arc surface at the upper left corner is arranged, because the center of the C-shaped support seat A401 is the same as the center of a circle at the arc surface of the inner wall of the machine body 1, the kicking swing simulation mechanism 4 can rotate along the arc surface when in operation, the phenomenon of blockage can not be caused, so that a primary football player can systematically teach when learning the arc spin kicking method, the teaching of a coach can not be influenced, the C-shaped support seat A401 is arranged between the front surface and the back surface of the inner wall of the machine body 1, a rotating rod A402 is movably connected between the two sides of the inner wall of the C-shaped support seat A401, a gear A403 is fixedly connected on the surface of the rotating, the radius of the arc surface of the inner wall of the machine body 1 is larger than that of the kicking rod 404, the damage can not be caused, the bottom of the kicking rod 404 is provided with a notch 405, the top of the inner wall of the notch 405 is fixedly connected with a micro motor 406, the model of the micro motor 406 is JGB37-520, the output end of the bottom of the micro motor 406 is fixedly connected with a rotating rod B407, the bottom of the rotating rod B407 is fixedly connected with two rotating handles 408, the size of the rotating handle 408 positioned at the top is slightly smaller than that of the rotating handle 408 positioned at the bottom, through the arrangement of the two rotating handles 408, the lower part between the two rotating handles 408 at each side is larger than the upper part, the football can be wrapped while the rotating force is given, the football is conveniently rotated to the maximum, the use is convenient, the striking effect of the arc rotary ball is better, the track route and the ball kicking point of the arc rotary ball can be simulated and, the device can be used for systematic teaching without influencing the teaching of a coach, and can also be used for practicing the reaction capability of a goalkeeper, the height of the left side of the rotating handle 408 is smaller than the height of the right side of the rotating handle 408, the top of the C-shaped supporting seat B409 is vertically arranged with the tangent of the arc surface of the machine body 1, the back of the C-shaped supporting seat B409 is fixedly connected with a three-phase asynchronous motor 410, the model of the three-phase asynchronous motor 410 is YE3-80M2-4, the power range is 0.75-375 kW, the frequency is 50Hz, the output end of the top of the three-phase asynchronous motor 410 is fixedly connected with a rotating rod C411, the top of the rotating rod C411 penetrates through the C-shaped supporting seat B409, the surface of the rotating rod C411 is fixedly connected with a gear B412, the gear B412 is meshed with a gear A403, the diameter ratio of the gear B412 to the gear A403 is 2:1, the radian of the tooth tracks, the ratio of the gear radius of 2:1 enables the kicking rod 404 to rotate one hundred twenty degrees when the gear B412 rotates sixty degrees, the football can be continuously kicked and pulled after the football point is completely hit, the higher height can be kicked, and the track route and the kicking point of the arc spin can be simulated and observed, so that the primary football player can systematically teach without influencing the teaching of a coach (as shown in figure 7) when learning the arc spin ball kicking method, the kicking swing simulation mechanism 4, the C-shaped supporting seat A401, the rotating rod A402, the gear A, the kicking rod 404, the notch 405, the micro motor 406, the rotating rod B407, the rotating handle 408, the C-shaped supporting seat 409, the three-phase asynchronous motor 410, the rotating rod C411 and the gear B412 are arranged, the three-phase asynchronous motor 410 works through the use of the kicking swing simulation mechanism 4, the rotating rod C411 can rotate, and drive gear B412 to rotate, make the rotation of engaged gear A413 can drive kicking leg pole 404 to rotate to can make kicking leg pole 404 department beat the hitting point department of football, micro motor 406 work simultaneously, make dwang B407 rotate, and make two rotation handles 408 beat the football simultaneously when rotatory, give the football a revolving force, according to hydromechanics's bernoulli equation (p + ρ gh + (1/2) × ρ v ^2 ^ c), the place atmospheric pressure that the fluid speed is great can be lower, therefore the atmospheric pressure on the right side of football is lower than the left side, has produced a power to the right side. As a result, the football can be used for simulating and observing the trajectory and the kicking point of the arc spin while walking forward and bearing a force for pushing the football to the right, so that the primary football player can perform systematic teaching without influencing the teaching of a coach when learning the arc spin kicking.

Example four:

as shown in fig. 1 to 9, on the basis of the first embodiment, the second embodiment and the third embodiment, the present invention provides a technical solution: the kicking reset simulation mechanism 5 comprises a gasket 501, the gasket 501 is fixedly connected to the arc surface of the inner wall of the machine body 1, the gasket 501 is positioned below the kicking swing simulation mechanism 4, the right side of the gasket 501 is fixedly connected with a first elastic rope 502 and a second elastic rope 503, the first elastic rope 502 is positioned above the second elastic rope 503, the first elastic rope 502 is arc-shaped, the length of the first elastic rope 502 is slightly longer than that of the second elastic rope 503, the first elastic rope 502 is tightened to give the greatest force when the kicking swing simulation mechanism 4 swings legs by arranging the first elastic rope 502 and the second elastic rope 503, meanwhile, the second elastic rope 503 is used for protecting the first elastic rope 502 after being tightened and damaged, and simultaneously, the kicking rod 404 is also given the chance of secondary reset, auxiliary reset can be carried out, and the right sides of the first elastic rope 502 and the second elastic rope 503 are fixedly connected with the kicking rod 404, three elastic rings 504 are fixedly connected between the first elastic rope 502 and the second elastic rope 503, the distance between two adjacent elastic rings 504 is equal, through setting up the elastic rings 504, three elastic rings 504 can protect the pulling force between the first elastic rope 502 and the second elastic rope 503 that is produced because of tightening and can not damage the first elastic rope 502 and the second elastic rope 503, through setting up the kicking leg resetting mechanism 5, the gasket 501, the first elastic rope 502, the second elastic rope 503, the elastic rings 504, the setting of the kicking leg resetting mechanism 5 can give the kicking leg swing simulation mechanism 4 the reset after hitting, can be convenient for the repetitive operation, can systematic teaching, can not influence the teaching of the coach (as shown in fig. 8).

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The use method comprises the following steps:

1. at the time of transmission: the football is put on the curved plate 202, the three-phase asynchronous motor 410 works, the rotating rod C411 can rotate and drives the gear B412 to rotate, when the gear B412 rotates sixty degrees, the leg kicking rod 404 can rotate one hundred twenty degrees, the football can be continuously kicked and pulled after the football point is completely hit, a rotating force is given, the striking point of the football is hit by the leg kicking rod 404, a higher height can be kicked, meanwhile, the micro motor 406 works, the rotating rod B407 rotates, the football is hit while the two rotating handles 408 rotate, a rotating force is given to the football, the trajectory route and the ball kicking point of the arc-shaped ball can be simulated and observed, according to Bernoulli equation (p + rho gh + (1/2)' ρ v ^2 ^ C) of mechanical fluid, the air pressure of a place with a higher fluid speed is lower, therefore, the air pressure on the right side of the football is lower than that on the left side, a rightward force is generated. As a result, the football can be used for simulating and observing the track route and the kicking point of the arc spin ball when the football is going forward, thereby causing the bending ball (as shown in figure 7) to play the arc spin ball, and leading the primary football player to be capable of systematically teaching without influencing the teaching of the coach when learning the arc spin ball kicking method,

2. after the launch: the three-phase asynchronous motor 410 works to enable the steering rod C411 to rotate reversely, and when the gear B814 rotates sixty degrees reversely, the kicking rod 404 can rotate one hundred twenty degrees, and the first elastic rope 502 and the second elastic rope 503 are used for assisting in resetting and resetting to the original state, so that the next launching operation is facilitated (as shown in fig. 8).

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A radial spin ball launch simulation device based on hydrodynamics comprises a machine body (1), and is characterized in that: the ball throwing machine is characterized in that the upper left part of the machine body (1) is an arc surface, the bottom of the right side of the machine body (1) is provided with a through groove (2), the bottom of the inner wall of the machine body (1) is fixedly connected with a ball throwing mechanism (3) positioned under the circle center of the arc surface, the arc surface of the inner wall of the machine body (1) is provided with a kicking swing simulation mechanism (4), the arc surface of the inner wall of the machine body (1) is also provided with a kicking reset simulation mechanism (5), the front of the machine body (1) is provided with a ball throwing port (6) positioned on the front of the ball throwing mechanism (3), the right side of the bottom of the inner wall of the machine body (1) is fixedly connected with an inclined plate (7), the four corners of the bottom of the machine body (1) are fixedly connected with a support (8), the top of the machine body (1) is fixedly connected with, the top of the curved plate (302) is fixedly connected with a plurality of rubber bulges (303), two adjacent rubber bulges (303) are arranged at equal intervals, the kicking swing simulation mechanism (4) comprises a C-shaped supporting seat A (401) and a C-shaped supporting seat B (409), the C-shaped supporting seat A (401) is arranged between the front side and the back side of the inner wall of the machine body (1), a rotating rod A (402) is movably connected between two sides of the inner wall of the C-shaped supporting seat A (401), a gear A (403) is fixedly connected on the surface of the rotating rod A (402), a kicking rod (404) positioned on the back side of the gear A (403) is fixedly connected at the bottom of the rotating rod A (402), a notch (405) is formed at the bottom of the kicking rod (404), a micro motor (406) is fixedly connected at the top of the inner wall of the notch (405), and a rotating rod B (407), two rotary handles (408) are fixedly connected to the bottom of the rotary rod B (407), the size of the rotary handle (408) positioned on the top is slightly smaller than that of the rotary handle (408) positioned on the bottom, the left side of the rotary handle (408) is smaller than that of the right side of the rotary handle (408), the top of the C-shaped support seat B (409) is fixedly connected to the arc surface of the inner wall of the machine body (1), the central axis of the C-shaped support seat B (409) is perpendicular to the tangent line of the arc surface of the inner wall of the machine body (1), the back of the C-shaped support seat B (409) is fixedly connected with a three-phase asynchronous motor (410), the output end of the top of the three-phase asynchronous motor (410) is fixedly connected with a rotary rod C (411), the top of the rotary rod C (411) penetrates through the C-shaped support seat B (409), a gear B (412) is fixedly connected to the surface of the rotary rod C (411), the gear B (412 The utility model discloses a kicking leg swing simulation mechanism, gasket (501) fixed connection is in organism (1) inner wall arc surface department, and gasket (501) are located the below of kicking leg swing simulation mechanism (4), the first elasticity rope of right side fixedly connected with (502) of gasket (501) and second elasticity rope (503), first elasticity rope (502) are located the top of second elasticity rope (503), the length of first elasticity rope (502) is slightly good at the length of second elasticity rope (503), and the right side of first elasticity rope (502) and second elasticity rope (503) all with kicking leg pole (404) between fixed connection, three elastic ring (504) of fixed connection between first elasticity rope (502) and second elasticity rope (503), the interval between two adjacent elastic ring (504) equals.

2. The hydrodynamics-based arc spin ball launch simulation apparatus of claim 1, wherein: the diameter of the inner ring of the curved plate (302) is about 21.5CM, and the diameter of the inner ring of the curved plate (302) is matched with that of a five-ball football.

3. The hydrodynamics-based arc spin ball launch simulation apparatus of claim 1, wherein: the number of the plurality of rubber bulges (303) is 15-30.

4. The hydrodynamics-based arc spin ball launch simulation apparatus of claim 1, wherein: the diameter ratio between the gear B (412) and the gear A (403) is 2:1, and the radian among the tooth tracks of the gear B (412) is 120 degrees and 135 degrees.

5. The hydrodynamics-based arc spin ball launch simulation apparatus of claim 1, wherein: the center of the C-shaped supporting seat A (401) is the same as the circle center of the arc surface of the inner wall of the machine body (1).

6. The hydrodynamics-based arc spin ball launch simulation apparatus of claim 1, wherein: the three-phase asynchronous motor (410) is YE3-80M2-4, the power range is 0.75-375 kW, the frequency is 50Hz, and the type of the micro motor (406) is JGB 37-520.

7. The hydrodynamics-based arc spin ball launch simulation apparatus of claim 1, wherein: the height of the through groove (2) is 30-40 cm.