CN113786598B

CN113786598B - Sport physical training is with quick training equipment

Info

Publication number: CN113786598B
Application number: CN202111150778.7A
Authority: CN
Inventors: 薛曹叶
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-11-01
Anticipated expiration: 2041-09-29
Also published as: CN113786598A

Abstract

The invention belongs to the field of sports equipment, and particularly relates to a manual speed training device for physical training of sports, which comprises a pitching machine, a blocking net and a fan, wherein the blocking net is arranged on the blocking net; the bottom of the pitching machine is fixedly connected with a containing box; the top of the pitching machine is fixedly connected with a pressure box; a connecting pipe is connected between the pressure box and the interior of the containing box; the side surface of the containing box is fixedly connected with a fan; a blocking net is fixedly connected to the surface of the pitching machine close to the ball table; the bottom of each barrier net is provided with a guide rail; an electric sliding block is connected inside the guide rail; the bottom surface of the electric sliding block is fixedly connected with a cleaning plate; the invention effectively realizes automatic interception and collection of table tennis, and meanwhile, the collected table tennis can be guided back to the inside of the pitching machine again through air pressure, so that the pitching machine can continuously shoot the table tennis, the continuous ball receiving training requirement of athletes is met, the hand speed training of the athletes is enhanced, the dependence on coach for pitching is reduced, and the continuous training requirement under personal conditions is met.

Description

Sport physical training is with quick training equipment

Technical Field

The invention belongs to the field of sports equipment, and particularly relates to a manual speed training device for physical training of sports.

Background

The table tennis is used as a skill type sports item, and the table tennis is also known as a national ball due to the pride performance obtained in various international events in China, but the performance and the long-term training of sports and healthy children are not separable, and the requirements on the reaction capability and the hand speed of athletes in a competition are higher due to the higher speed of the table tennis.

The application number is CN202010771791.3, the invention discloses a continuous-service table tennis ball serving device which utilizes electromagnetism as ball serving power and has higher serving speed. And adopt the scheme of two exports for the frequency of serve improves greatly and is favorable to improving training efficiency. Particularly, the two ball hitting hammers hit balls through the linkage of the reversing rod, when one ball hitting hammer hits the balls through leftward movement, the other ball hitting hammer moves the balls to the right and falls down, so that the ball falling time is saved, the service is continuous, and the service efficiency is greatly improved.

Among the prior art, for practising sportsman's hand speed, can be continuous carry out the hand speed training to sportsman, this just needs the continuous service of coach, let sportsman's continuous service, it is higher to coach's requirement, can't be absorbed in the analysis and the explanation to sportsman's problem and professional skill, consequently, research and development on the market has been used automatic equipment for a lot of table tennis launches, but these equipment can only serve, unable fine intercept and collect the ball, in order to satisfy the automatic reuse problem to the table tennis.

Therefore, the invention provides a manual training device for physical training of sports.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a manual speed training device for physical training of physical training, which comprises a pitching machine, a blocking net and a fan; the pitching machine is positioned at one end of the table; the bottom of the pitching machine is fixedly connected with a containing box, and the containing box is provided with an inlet at the top surface of the table; the top of the pitching machine is fixedly connected with a pressure box; a connecting pipe is connected between the pressure box and the interior of the containing box; the side surface of the containing box is fixedly connected with a fan, and an air inlet pipe of the fan is communicated with the pressure box; a filter plate is arranged inside the pressure box; blocking nets are fixedly connected to the surfaces of the pitching machines at the two sides of the table; the bottom of each barrier net is provided with a guide rail; an electric sliding block is connected between the two guide rails together; the bottom surface of the electric sliding block is fixedly connected with a cleaning plate; when the table tennis ball collecting device works, table tennis balls are continuously shot by the ball shooting machine during training, after the athletes receive the table tennis balls, the athletes can return the table tennis balls to one side of the ball shooting machine, meanwhile, the table tennis balls can be intercepted by the blocking net, when the table tennis balls are more, the electric sliding blocks slide in the guide rails through control, the electric sliding blocks can drive the cleaning plates to move, the cleaning plates can automatically clean the surfaces of the table tennis tables, meanwhile, the table tennis balls on the surfaces of the table tennis tables can be pushed to be close to the position of the ball shooting machine, the table tennis balls on the surfaces of the table tennis tables can be automatically guided into the storage box through the inlet, then the fan is started, the fan can automatically suck the table tennis balls in the storage box, the table tennis balls are guided into the service box through the pressure box, the table tennis balls are continuously guided into the service machine, the continuous service of the table tennis balls, the automatic and collection of the table tennis balls are effectively achieved, meanwhile, the collected table tennis balls can be guided back into the service box through air pressure, the service machine can continuously send the table tennis balls, the continuous service requirements of the training of the athletes are met, the continuous service requirements of the athletes, the training of the athletes are strengthened, and the training of the athletes under the training.

Preferably, a spring is fixedly connected between the filter plate and the inner top surface of the pressure box; an outlet pipe is fixedly connected to the side surface of the pressure box, close to the bottom of the pressure box; the bottom surface of the filter plate is fixedly connected with a control panel close to the outlet pipe; the surface of the control panel is provided with a control hole; the during operation, through setting up the control panel, when the fan starts, the inside of pressure tank is lower in the top position atmospheric pressure of filter, filter rebound and extrusion spring, the filter can drive the control panel motion simultaneously, make stagger between the control hole on control panel surface and the exit tube, increase the ability of pressure tank internal suction table tennis, accomplish the table tennis internal suction back simultaneously, the fan is closed, the filter is automatic downstream under the spring action of spring, the filter and then can drive the control panel downstream, make the control hole automatic switch on with the exit tube, the table tennis can be derived through control hole and exit tube fast, and the inside of leading-in service robot.

Preferably, an air inlet branch pipe is fixedly connected to the position of an air inlet pipe of the fan; an air outlet branch pipe is fixedly connected to the position of an air outlet pipe of the fan; the side face, opposite to the pitching machine, of one side of the electric sliding block is provided with spray holes, the spray holes are communicated with the air outlet branch pipes, and the spray holes are all inclined towards the direction of the blocking nets on the two sides of the table; the during operation, set up the orifice through the surface at electronic slider, the air-out divides the gaseous orifice that can channel out, and derive through the orifice, because the opening of orifice all inclines, and the opening direction of orifice is towards the both sides position of table, the table tennis is promoted by the clearance board towards service robot direction, the table tennis also can be blown to the entry by orifice spun gas is automatic, the quick collection of the table tennis of being convenient for, and avoid the table tennis to leave over in a large number in the surface of table tennis, influence normal training rhythm.

Preferably, the pitching machine comprises a shell, an adjusting block, a pushing block and a limiting block; the interior of the shell is rotatably connected with an adjusting block; the top parts of the shell and the adjusting block are jointly provided with a guide hole; the side surface of the adjusting block is provided with an emission hole, and the emission hole is communicated with the guide hole; an impact groove is formed in the launching hole; a pushing block is connected inside the impact groove in a sliding manner; the side surfaces of the push block opposite to the adjusting block are fixedly connected with electromagnets; limiting grooves are formed in the transmitting holes at the two sides of the guide hole, and the limiting grooves are communicated with the impact grooves; limiting blocks are connected inside the limiting grooves in a sliding mode; the side surfaces of the opposite sides of the two limiting blocks are rotatably connected with turntables; the during operation, through setting up the electro-magnet, through the circular telegram direction of control electro-magnet, automatic control is the effort between the electro-magnet in pairs, when truning into repulsion by the attraction between two electro-magnets, the electro-magnet of one side position can drive ejector pad rapid motion, can drive the inside table tennis of launching hole and derive fast through the ejector pad, realize the quick automatic service of table tennis, simultaneously before service, because the ejector pad is adducted and assaults the groove, one side atmospheric pressure of assaulting the inslot reduces, and then can control one side atmospheric pressure of spacing inslot and reduce, control stopper automatic ejecting corresponding spacing groove, can carry on spacingly to the table tennis through the stopper, simultaneously, drive the carousel rotation through the motor, the carousel can drive the table tennis and rotate, then control ejector pad quick ejecting impact groove, this moment, stopper quick adduction corresponds the spacing groove, the ejector pad can drive the launching hole of the table tennis of rotation state fast derivation, the table tennis that sends is the continuous rotation state, satisfy sportsman's training requirement to the spin, simultaneously, can drive the regulating block rotation through the motor of regulating block bottom position, satisfy the service training demand of different directions.

Preferably, the inner side surface of the emission hole is fixedly connected with guide rings which are uniformly arranged; the inner contour surface of the guide ring is designed in a circular truncated cone structure; the guide rings are all made of rubber materials; the surface of the guide ring is provided with balls which are uniformly distributed; the during operation, through setting up the guide ring, when the table tennis is derived through the transmission hole fast, the table tennis direction of motion of rotation state has certain inclination, and then the inner wall in table tennis can clash the transmission hole very easily, through the guide ring, can reduce the transmission downthehole portion to colliding with and wearing and tearing of table tennis, simultaneously through the ball on guide ring surface, can reduce because of the rotatory influence of friction to the table tennis.

Preferably, the surface of the guide ring is provided with inclined holes which are uniformly distributed, and the inclined holes and the ball columns are alternately distributed; the inclined holes and the air outlet branch pipes are communicated with each other, and the inclined holes are inclined towards the opening direction of the emission holes; the during operation is through setting up the inclined hole, divides the continuous leading-in gas to the inside of inclined hole of managing through the air-out, and is gaseous and then can pass through the inclined hole blowout, because the internal surface of guide ring sets up the inclined hole of evenly arranging, under the effect of atmospheric pressure, can make the table tennis be in the axis position in transmission hole, reduces the collision of table tennis and transmission downthehole portion, improves the effect of serving.

Preferably, the inner side surface of the guide hole is provided with paired processing grooves at positions close to the emission hole; the interior of each processing groove is connected with a processing block in a sliding manner; the bottoms of the treatment tanks are fixedly connected with telescopic rods; the during operation through setting up the telescopic link, can take out through the telescopic link and handle the piece motion, handles the piece and can carry on spacingly to the inside table tennis that is close to the transmission hole position of guide hole, avoids the inside table tennis of guide hole to the influence of serving.

Preferably, the side surfaces of the opposite sides of the two processing blocks are both provided with hemispherical grooves; heating cavities are formed in the positions, close to the bottom surfaces of the corresponding hemispherical grooves, in the processing blocks; heating wires are fixedly connected inside the heating cavity; the during operation, offer half ball groove through the surface at the processing piece, can form a complete spherical cavity jointly between the mated processing piece, the table tennis can seal up completely in the inside of this spherical cavity like this, can heat the inside in half ball groove through the heater strip, and then realize the heating to the table tennis, the inside atmospheric pressure increase of the table tennis after being heated is favorable to appearing the automatic processing of sunken problem to the table tennis surface, make the depressed part obtain automatic recovery.

Preferably, the heating cavity is communicated with the air inlet branch pipe and the air outlet branch pipe, and the communicated positions are provided with electromagnetic valves; a through hole is formed between the heating cavity and the corresponding hemispherical groove; elastic pieces are fixedly connected inside the hemispherical grooves; the during operation is through seting up the through-hole, through control solenoid valve, and then the switching break-make of control heating chamber and air inlet branch pipe and air-out branch pipe, and then the realization is gaseous to the leading-in or derivation in inside in heating chamber, and gaseous can be through the leading-in hemisphere groove of through-hole simultaneously, and the elastic sheet of control hemisphere inslot portion warp, and then realizes the direct regulation to table tennis external pressure, further promotes the restoration of the sunken position of table tennis.

Preferably, the surface of each elastic sheet is provided with small holes which are uniformly distributed; during operation, through seting up the aperture of evenly arranging on the surface at the flexure strip, on the one hand, the aperture is not enough to influence the normal flexible of flexure strip, and is less to the pressure influence of flexure strip both sides, and on the other hand, can be a small amount through the aperture to the outside direct introduction hot gas of table tennis, further increase the quick direct heating to table tennis.

The invention has the following beneficial effects:

1. according to the manual speed training equipment for physical training of sports, the pitching machine, the blocking net and the fan are arranged, the blocking net is used for intercepting, the cleaning plate is driven by the electric sliding block and is used for automatically guiding table tennis balls into the containing box, then the fan is used for guiding the table tennis balls into the pitching machine, automatic intercepting and collecting of the table tennis balls are effectively achieved, meanwhile, the collected table tennis balls can be guided back into the pitching machine again through air pressure, the pitching machine can continuously shoot the table tennis balls, the requirement of continuous ball receiving training of athletes is met, manual speed training of the athletes is strengthened, dependence on coach pitching is reduced, and the requirement of continuous training under personal conditions is met.

2. According to the rapid training equipment for physical training in sports, due to the fact that the pushing block, the limiting block and the rotary table are arranged, due to the fact that the pushing block is retracted into the impact groove, air pressure on one side inside the impact groove is reduced, air pressure on one side inside the limiting groove can be controlled to be reduced, the limiting block is controlled to be automatically ejected out of the corresponding limiting groove, table tennis balls can be limited through the limiting block, meanwhile the rotary table is driven to rotate through the motor, the rotary table can drive the table tennis balls to rotate, then the pushing block is controlled to be ejected out of the impact groove rapidly, at the moment, the limiting block is retracted into the corresponding limiting groove rapidly, the pushing block can drive the table tennis balls in a rotating state to be led out of the launching holes rapidly, the sent table tennis balls are in a continuous rotating state, and training requirements of athletes on rotary table tennis are met.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is a cross-sectional view of the adjustment block of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 5 at D;

in the figure: pitching machine 1, block 2, fan 3, hold case 4, pressure tank 5, connecting tube 6, filter 7, guide rail 8, electronic slider 9, cleaning plate 10, spring 11, exit tube 12, control panel 13, control hole 14, air inlet branch pipe 15, air outlet branch pipe 16, orifice 17, casing 18, regulating block 19, ejector 20, stopper 21, guide hole 22, emission hole 23, strike groove 24, electro-magnet 25, spacing groove 26, carousel 27, guide ring 28, ball 29, inclined hole 30, processing block 31, telescopic link 32, heating chamber 33, heater strip 34, through-hole 35, flexure strip 36, aperture 37.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1 to 2, the exercise training equipment for physical training of physical training in the embodiment of the present invention includes a pitching machine 1, a blocking net 2 and a blower 3; the pitching machine 1 is positioned at one end of the table; the bottom of the pitching machine 1 is fixedly connected with a containing box 4, and the containing box 4 is provided with an inlet at the top surface of the table; the top of the pitching machine 1 is fixedly connected with a pressure box 5; a connecting pipe 6 is connected between the pressure tank 5 and the interior of the containing tank 4; the side surface of the containing box 4 is fixedly connected with a fan 3, and an air inlet pipe of the fan 3 is communicated with the pressure box 5; a filter plate 7 is arranged inside the pressure box 5; the blocking nets 2 are fixedly connected to the surfaces of the pitching machines 1 at the two sides of the table; the bottom of the barrier net 2 is provided with a guide rail 8; an electric sliding block 9 is connected between the two guide rails 8; the bottom surface of the electric sliding block 9 is fixedly connected with a cleaning plate 10; when the table tennis ball catching device works, when training is carried out, table tennis balls are continuously shot by the ball serving machine 1, after the athletes receive the balls, the athletes can shoot the table tennis balls back to one side of the ball serving machine 1, meanwhile, the table tennis balls can be intercepted by the blocking net 2, when the table tennis balls are more, the electric sliding blocks 9 slide in the guide rails 8 by controlling the electric sliding blocks 9, the electric sliding blocks 9 can drive the cleaning plates 10 to move, the cleaning plates 10 can automatically clean the surfaces of the table tennis tables, meanwhile, the table tennis balls on the surfaces of the table tables can be pushed to a position close to the ball serving machine 1, the table tennis balls on the surfaces of the table are automatically guided into the storage box 4 through the inlets, then the fan 3 is started, the fan 3 can automatically suck the table tennis balls in the storage box 4 into the pressure box 5, and then the table tennis balls are guided into the ball serving machine 1 through the pressure box 5, so that the table tennis balls in the ball serving machine 1 continuously guide the table balls into the storage box, the ball serving machine 1 can continuously send the table tennis balls, continuous shooting of the training balls, the training of the table 1 can effectively achieve automatic intercepting and collection of the table tennis balls, meanwhile, the continuous training requirements of the athletes for the athletes can be met continuous training of the individual training of the athletes, and the training requirements of the athletes can be met continuous training of the athletes, and the individual training of the training.

As shown in fig. 2 and 4, a spring 11 is fixedly connected between the filter plate 7 and the inner top surface of the pressure tank 5; an outlet pipe 12 is fixedly connected to the side surface of the pressure box 5 close to the bottom of the pressure box 5; the bottom surface of the filter plate 7 is fixedly connected with a control panel 13 near the outlet pipe 12; the surface of the control plate 13 is provided with a control hole 14; the during operation, through setting up control panel 13, when fan 3 starts, the inside of pressure tank 5 is lower in the top position atmospheric pressure of filter 7, filter 7 rebound and extrusion spring 11, simultaneously filter 7 can drive control panel 13 motion, make stagger between the control hole 14 on control panel 13 surface and exit tube 12, increase the ability of the interior ping-pong ball of pressure tank 5, accomplish the interior back of inhaling of ping-pong ball simultaneously, fan 3 closes, automatic downstream of filter 7 under spring 11's spring action, filter 7 advances and can drive ball machine control panel 13 downstream, make control hole 14 automatic switch on with exit tube 12, the ping-pong ball can be derived fast through control hole 14 and exit tube 12, and leading-in service 1's inside.

As shown in fig. 2 and fig. 3, an air inlet branch pipe 15 is fixedly connected to an air inlet pipe of the fan 3; an air outlet branch pipe 16 is fixedly connected to the air outlet pipe of the fan 3; the side face, opposite to the pitching machine 1, of the electric slide block 9 is provided with spray holes 17, the spray holes 17 are communicated with the air outlet branch pipe 16, and the spray holes 17 are all designed in a manner of inclining towards the direction of the blocking nets 2 on two sides of the table; the during operation, set up orifice 17 through the surface at electronic slider 9, the air-out divides the gaseous guide-in orifice 17 that 16 derived of pipe, and derive through orifice 17, because the opening of orifice 17 all inclines, and the opening direction of orifice 17 is towards the both sides position of table, the table tennis is promoted by clearance board 10 towards service robot 1 direction, the table tennis also can be blown to the entry by orifice 17 spun gas is automatic, be convenient for quick collection of table tennis, and avoid the table tennis to leave over in a large number in the surface of table, influence normal training rhythm.

As shown in fig. 2, 5 and 6, the pitching machine 1 comprises a housing 18, an adjusting block 19, a pushing block 20 and a limiting block 21; an adjusting block 19 is rotatably connected inside the shell 18; the top parts of the shell 18 and the regulating block 19 are jointly provided with a guide hole 22; the side surface of the adjusting block 19 is provided with an emission hole 23, and the emission hole 23 is communicated with the guide hole 22; an impact groove 24 is formed in the emitting hole 23; a push block 20 is connected inside the impact groove 24 in a sliding manner; the side surfaces of the push block 20 opposite to the adjusting block 19 are fixedly connected with electromagnets 25; limiting grooves 26 are formed in the transmitting hole 23 at the two sides of the guide hole 22, and the limiting grooves 26 are communicated with the impact groove 24; the limiting blocks 21 are connected inside the limiting grooves 26 in a sliding mode; the side surfaces of the opposite sides of the two limiting blocks 21 are rotatably connected with turntables 27; during operation, through setting up electro-magnet 25, through the circular telegram direction of control electro-magnet 25, automatic control is effort between electro-magnet 25 in pairs, when truning into repulsion by attraction between two electro-magnets 25, the electro-magnet 25 of one side position can drive ejector pad 20 rapid motion, can drive the quick derivation of the table tennis inside emission hole 23 through ejector pad 20, realize the quick automatic service to the table tennis, simultaneously before the service, because the ejector pad 20 addes in strikes groove 24, one side atmospheric pressure inside striking groove 24 reduces, and then can control one side atmospheric pressure inside spacing groove 26 and reduce, control stopper 21 automatic ejecting corresponding spacing groove 26 that corresponds, can spacing table tennis through stopper 21, drive carousel 27 through the motor simultaneously and rotate, carousel 27 can drive the table tennis rotation, then control ejector pad 20 quick ejecting impact groove 24 that strikes, at this moment, stopper 21 quick income corresponds spacing groove 26 in, ejector pad 20 can drive the ball of rotation state and derive emission hole 23 fast, the table tennis that sends is the continuous rotation state, satisfy the training requirement of sportsman to the spin, simultaneously, can drive motor through the rotation of regulating block 19 bottom position, satisfy the different training demands of different directions of regulating block 19.

The inner side surface of the emission hole 23 is fixedly connected with guide rings 28 which are uniformly arranged; the inner contour surface of the guide ring 28 is designed in a circular truncated cone structure; the guide ring 28 is made of rubber material; the surface of the guide ring 28 is provided with balls 29 which are uniformly arranged; the during operation, through setting up guide ring 28, when the table tennis is derived through launching hole 23 fast, the table tennis direction of motion of rotation state has certain inclination, and then the table tennis can strike the inner wall of launching hole 23 very easily, through guide ring 28, can reduce 23 inside colliding with and wearing and tearing to the table tennis of launching hole, simultaneously through the ball 29 on guide ring 28 surface, can reduce because of the rotatory influence of friction to the table tennis.

The surface of the guide ring 28 is provided with inclined holes 30 which are uniformly distributed, and the inclined holes 30 and the ball columns are alternately distributed; the inclined holes 30 are communicated with the air outlet branch pipes 16, and the inclined holes 30 are inclined towards the opening direction of the emission hole 23; the during operation is through setting up inclined hole 30, divides 16 continuous leading-in gas to the inside of inclined hole 30 of being managed through the air-out, and is gaseous and then can pass through inclined hole 30 blowout, because the internal surface of guide ring 28 sets up the inclined hole 30 of evenly arranging, under the effect of atmospheric pressure, can make the table tennis be located the axis position of launching hole 23, reduces the collision of table tennis and launching hole 23 inside, improves the effect of serving.

Example two

As shown in fig. 7, a first comparative example, in which another embodiment of the present invention is: the inner side surface of the guide hole 22 close to the position of the emission hole 23 is provided with a pair of processing grooves; the processing blocks 31 are connected inside the processing grooves in a sliding manner; the bottoms of the treatment tanks are fixedly connected with telescopic rods 32; the during operation, through setting up telescopic link 32, can take out through telescopic link 32 and handle the motion of piece 31, handle the piece 31 and can carry on spacingly to the inside table tennis that is close to the transmission hole 23 position of guide hole 22, avoid the inside table tennis of guide hole 22 to the influence of serving.

The side surfaces of the two opposite sides of the processing blocks 31 are provided with hemispherical grooves; heating cavities 33 are formed in the processing blocks 31 close to the bottom surfaces of the corresponding hemispherical grooves; heating wires 34 are fixedly connected inside the heating cavity 33; the during operation, offer half ball groove through the surface at processing piece 31, can form a complete spherical cavity jointly between the mated processing piece 31, the table tennis can be sealed up completely in the inside of this spherical cavity like this, can heat the inside in half ball groove through heater strip 34, and then realize the heating to the table tennis, the inside atmospheric pressure increase of the table tennis after being heated is favorable to the automatic processing to the sunken problem appears in the table tennis surface, make the depressed part obtain automatic recovery.

The heating cavity 33 is communicated with the air inlet branch pipe 15 and the air outlet branch pipe 16, and electromagnetic valves are arranged at the communicated positions; a through hole 35 is formed between the heating cavity 33 and the corresponding hemispherical groove; the insides of the hemispherical grooves are fixedly connected with elastic pieces 36; the during operation, through seting up through-hole 35, through the control solenoid valve, and then control heating chamber 33 and air inlet branch pipe 15 and the switching break-make of air-out branch pipe 16, and then realize heating chamber 33's inside leading-in or derive gas, gaseous can be through the leading-in hemisphere groove of through-hole 35 simultaneously, and the elastic sheet 36 of control hemisphere inslot portion warp, and then realizes the direct regulation to table tennis external pressure, further promotes the recovery at the sunken position of table tennis.

The surface of each elastic sheet 36 is provided with small holes 37 which are uniformly distributed; when the table tennis bat works, the small holes 37 are uniformly formed in the surface of the elastic sheet 36, so that on one hand, the small holes 37 are not enough to influence the normal expansion and contraction of the elastic sheet 36, the pressure influence on two sides of the expansion sheet is small, on the other hand, hot gas can be directly introduced to the outer side of a table tennis ball in a small amount through the small holes 37, and the rapid direct heating of the table tennis ball is further increased.

When the table tennis ball collecting device works, during training, table tennis balls are continuously shot through the service robot 1, after a player receives the table tennis balls, the player can drive the table tennis balls to return to one side of the service robot 1, the table tennis balls can be intercepted by the blocking net 2, when the number of the table tennis balls is large, the electric sliding block 9 is controlled to slide in the guide rail 8, the electric sliding block 9 can drive the cleaning plate 10 to move, the cleaning plate 10 can automatically clean the surface of a table tennis table, meanwhile, the table tennis balls on the surface of the table can be pushed to a position close to the service robot 1, the table tennis balls on the surface of the table are automatically guided into the storage box 4 through the inlet, then the fan 3 is started, the fan 3 can automatically suck the table tennis balls in the storage box 4 into the pressure box 5, the table tennis balls are guided into the service robot 1 through the pressure box 5, the table tennis balls are continuously guided into the service robot 1, and the service robot 1 can continuously send the table tennis balls; by arranging the control panel 13, when the fan 3 is started, the air pressure in the top position of the filter plate 7 in the pressure box 5 is low, the filter plate 7 moves upwards and extrudes the spring 11, meanwhile, the filter plate 7 can drive the control panel 13 to move, so that the control holes 14 on the surface of the control panel 13 and the outlet pipes 12 are staggered, the table tennis ball suction capacity in the pressure box 5 is improved, after the table tennis ball suction is completed, the fan 3 is closed, the filter plate 7 automatically moves downwards under the elastic action of the spring 11, the filter plate 7 can drive the control panel 13 to move downwards, the control holes 14 are automatically communicated with the outlet pipes 12, and the table tennis balls can be quickly led out through the control holes 14 and the outlet pipes 12 and are led into the ball serving machine 1; the surface of the electric sliding block 9 is provided with the spray holes 17, gas led out from the air outlet branch pipe 16 can be led into the spray holes 17 and led out from the spray holes 17, and because the openings of the spray holes 17 are inclined and the opening directions of the spray holes 17 face to the two sides of the table, the table tennis is pushed towards the direction of the pitching machine 1 by the cleaning plate 10 and can be automatically blown to the inlet by the gas sprayed from the spray holes 17, the table tennis is convenient to be rapidly collected, and the phenomenon that the normal training rhythm is influenced because a large amount of table tennis is left on the surface of the table is avoided; by arranging the electromagnets 25, acting force between the paired electromagnets 25 is automatically controlled by controlling the electrifying direction of the electromagnets 25, when the two electromagnets 25 are switched from attraction to repulsion, the electromagnet 25 at one side can drive the push block 20 to move rapidly, the push block 20 can drive the table tennis ball in the launching hole 23 to be led out rapidly, rapid automatic service of the table tennis ball is realized, meanwhile, before service, because the push block 20 is inserted into the impact groove 24, one side of air pressure in the impact groove 24 is reduced, and further one side of air pressure in the limit groove 26 is controlled to be reduced, the limit block 21 is controlled to automatically eject the corresponding limit groove 26, the table tennis ball is limited by the limit block 21, meanwhile, the motor drives the turntable 27 to rotate, the turntable 27 can drive the table tennis ball to rotate, then the push block 20 is controlled to eject the impact groove 24 rapidly, at the moment, the limit block 21 is inserted into the corresponding limit groove 26 rapidly, the push block 20 can drive the table tennis ball in a rotating state to be led out of the launching hole 23 rapidly, the sent ball is in a continuous rotating state, the requirement of a player is met, and the training requirements of different directions can be met by the motor at the bottom position of the adjusting block 19; by arranging the guide ring 28, when the table tennis is quickly led out through the launching hole 23, the moving direction of the table tennis in a rotating state has a certain inclination angle, so that the table tennis can easily impact the inner wall of the launching hole 23, the collision and abrasion of the table tennis in the launching hole 23 can be reduced through the guide ring 28, and meanwhile, the influence of friction on the rotation of the table tennis can be reduced through the ball 29 on the surface of the guide ring 28; by providing the inclined hole 30, the air is continuously introduced into the inclined hole 30 through the air outlet branch pipe 16, and the air is further ejected through the inclined hole 30 due to the inner surface of the guide ring 28.

Claims

1. A manual speed training device for physical training of sports comprises a pitching machine (1), a blocking net (2) and a fan (3); the method is characterized in that: the pitching machine (1) is positioned at one end of the table; the bottom of the pitching machine (1) is fixedly connected with a containing box (4), and the containing box (4) is provided with an inlet at the top surface of the table; the top of the pitching machine (1) is fixedly connected with a pressure box (5); a connecting pipe (6) is connected between the pressure box (5) and the interior of the containing box (4); the side surface of the containing box (4) is fixedly connected with a fan (3), and an air inlet pipe of the fan (3) is communicated with the pressure box (5); a filter plate (7) is arranged inside the pressure box (5); blocking nets (2) are fixedly connected to the surfaces of the pitching machines (1) at the two sides of the table; the bottom of the barrier net (2) is provided with a guide rail (8); an electric sliding block (9) is connected between the two guide rails (8) together; the bottom surface of the electric sliding block (9) is fixedly connected with a cleaning plate (10);

an air inlet branch pipe (15) is fixedly connected to the position of an air inlet pipe of the fan (3); an air outlet branch pipe (16) is fixedly connected to the air outlet pipe of the fan (3); the side face, opposite to the pitching machine (1), of the electric sliding block (9) is provided with spray holes (17), the spray holes (17) are communicated with the air outlet branch pipe (16), and the spray holes (17) are inclined towards the direction of the blocking nets (2) on the two sides of the table;

the pitching machine (1) comprises a shell (18), an adjusting block (19), a pushing block (20) and a limiting block (21); the inner part of the shell (18) is rotatably connected with an adjusting block (19); the top parts of the shell (18) and the adjusting block (19) are jointly provided with a guide hole (22); the side surface of the adjusting block (19) is provided with an emitting hole (23), and the emitting hole (23) is communicated with the guide hole (22); an impact groove (24) is formed in the emitting hole (23); a push block (20) is connected inside the impact groove (24) in a sliding manner; the side surfaces of the push block (20) opposite to the adjusting block (19) are fixedly connected with electromagnets (25); limiting grooves (26) are formed in the transmitting hole (23) at the positions of the two sides of the guide hole (22), and the limiting grooves (26) are communicated with the pushing block (20) of the impact groove (24); the limiting blocks (21) are connected inside the limiting grooves (26) in a sliding manner; the side surfaces of the opposite sides of the two limiting blocks (21) are respectively and rotatably connected with a turntable (27);

the inner side surface of the emission hole (23) is fixedly connected with guide rings (28) which are uniformly arranged; the inner contour surface of the guide ring (28) is designed in a circular truncated cone structure; the guide ring (28) is made of rubber materials; the surface of the guide ring (28) is provided with balls (29) which are uniformly distributed;

inclined holes (30) are uniformly distributed in the surface of the guide ring (28), and the inclined holes (30) and the ball columns are alternately distributed; the inclined holes (30) are communicated with the air outlet branch pipes (16), and the inclined holes (30) are inclined towards the opening direction of the emission holes (23);

the inner side surface of the guide hole (22) is provided with a pair of processing grooves at the position close to the emission hole (23); the interior of each processing groove is connected with a processing block (31) in a sliding way; the bottoms of the treatment tanks are fixedly connected with telescopic rods (32);

the side surfaces of the opposite sides of the two processing blocks (31) are provided with hemispherical grooves; heating cavities (33) are formed in the processing blocks (31) close to the bottom surfaces of the corresponding hemispherical grooves; heating wires (34) are fixedly connected inside the heating cavity (33);

the heating cavity (33) is communicated with the air inlet branch pipe (15) and the air outlet branch pipe (16), and electromagnetic valves are arranged at the communicated positions; a through hole (35) is formed between the heating cavity (33) and the corresponding hemispherical groove; the insides of the hemispherical grooves are fixedly connected with elastic pieces (36);

the surface of each elastic sheet (36) is provided with small holes (37) which are uniformly distributed.

2. The exercise training apparatus of claim 1, wherein: a spring (11) is fixedly connected between the filter plate (7) and the inner top surface of the pressure box (5); an outlet pipe (12) is fixedly connected to the side surface of the pressure box (5) close to the bottom of the pressure box (5); the bottom surface of the filter plate (7) is fixedly connected with a control plate (13) close to the outlet pipe (12); the surface of the control panel (13) is provided with a control hole (14).