CN101574579B - Multi-nozzle airspray ball-service device for volleyball smashing training device - Google Patents
Multi-nozzle airspray ball-service device for volleyball smashing training device Download PDFInfo
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- CN101574579B CN101574579B CN2008100251076A CN200810025107A CN101574579B CN 101574579 B CN101574579 B CN 101574579B CN 2008100251076 A CN2008100251076 A CN 2008100251076A CN 200810025107 A CN200810025107 A CN 200810025107A CN 101574579 B CN101574579 B CN 101574579B
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Abstract
The invention discloses a multi-nozzle airspray ball-service device for a volleyball smashing training device, comprising a ball-service device arranged on a base. One end of a ball outlet groove right opposite to a ball inlet and is fixed on a separator by a fixed frame at the upper end, and the other end surface of the ball outlet groove is opposite to a nozzle seat; both sides of the nozzle seat are symmetrically movably matched and connected with a pair of guide rods which are vertically arranged, and five nozzles are symmetrically distributed in a cross on the nozzle seat, a high-speed electromagnetic valve is arranged at the lower end of each nozzle, and a shooting cylinder is arranged above the nozzle seat; one side of an air storage tank fixed at the base of a box body is provided with an air inlet for pipeline connection with an air supply hole of an air compressor, and the other side of the air storage tank is symmetrically provided with seven air outlets for respective pipeline connection with five rapid electromagnetic air valves and air cylinders. The invention has reasonable structural design, provides volleyballs running at high speeds for volleyball training and controls ball-service timing and rotational states of the volleyballs after being smashed by a trainer smashing baffle while the trainer smashing baffle is at any angle.
Description
Technical field
The present invention relates to the sports apparatus of ball game, particularly be used for improving the multi nozzle gas blowout formula service robot that is used for the volleyball smash trainer in the volleyball skill.
Background technology
For volleyballer's professional training, except routine techniques, also should introduce technological means targetedly, to remedy the deficiency of artificial training.For this reason, auxiliary volleyballer's miscellaneous equipment arises at the historic moment.
On November 15th, 2006, State Intellectual Property Office of the People's Republic of China disclosed a kind of patent of invention---simple equipment used for volleyballer training (publication number is CN1861232A) by HeFei University of Technology's application.The feature of this simple equipment used for volleyballer training is that low level service platform and adjustable tee are set; The bottom of service platform is provided with universal caster wheel, and has adjustable for height locating rack, service robot to be arranged on the service platform; Adjustable tee is the column that is fixedly installed on the pair of parallel on the service platform, with the column is guide rod, and setting can be by the movable stand of vertical screw mandrel adjustment height, in the outside of movable stand on it, be the slam-shot baffle plate that cantilevered is provided with tilt adjustable, the slam-shot baffle plate is positioned on the alley of service robot.This device is easy to use, flexible, and athletic slam-shot in the volleyball match of energy comprehensive simulation, block and delivery of service.
But being utilization high speed vollyball, above-described this training aids clashes into the mode of slam-shot baffle plate to form the slam-shot effect, because inevitably have frictional force between vollyball and the baffle plate during vollyball bump slam-shot baffle plate, this has just determined the high speed vollyball that the volleyball service device of the existing conventional means of utilization emits, after striking baffle plate and bounce-back, it can produce rolling effect from bottom to top inevitably, and its velocity of rotation only angle with the slam-shot baffle plate is relevant with vollyball self ball speed, can't artificially be controlled.And for being spiked by real motion person, the rotary state of vollyball is various.So this fixedly turning effect of training aids will inevitably reduce the training aids skimulated motion person authenticity of behavior of spiking greatly in the past, to such an extent as to directly have influence on effect for training athlete.
Summary of the invention
For avoiding the deficiencies in the prior art, the objective of the invention is: proposed to be used for the multi nozzle gas blowout formula service robot of volleyball smash trainer, this service robot is simple in structure, and is easy to use, not only can launch the vollyball of high-speed flight, and can effectively control the rotary state of vollyball.Computer can be according to the residing angle of slam-shot baffle plate in control vollyball rotary state before the emission vollyball, offer rotation lead from top to bottom of vollyball, the intrinsic rotating effect from bottom to top that produces when this rotation lead and vollyball bump slam-shot baffle plate offsets, stay the needed vollyball rotary state of coach, feasible vollyball after the bounce-back of slam-shot baffle plate can be simulated volleyballer's slam-shot behavior more truly.
Technical scheme of the present invention is: the multi nozzle gas blowout formula service robot that is used for the volleyball smash trainer, comprise the service robot, air compressor machine and the locating rack that are arranged on the slam-shot training aids base, be provided with universal caster wheel below the slam-shot training aids base, locating rack is the pair of parallel pillar that is fixedly installed on the base, with the pillar is guide rod, the movable stand that can carry out Height Adjustment by vertical screw mandrel is installed on it, the outside at movable stand, be the slam-shot baffle plate that cantilevered is provided with tilt adjustable, the service baffle plate is positioned on the alley of service robot, particularly:
Service robot is provided with casing, be provided with a dividing plate in the casing casing is divided into double-layer structure up and down, on planar central line position on the casing, be provided with funnelform ball hole, the below of ball hole is equipped with the following ball groove of semicircle tubulose, the upper end of following ball groove is over against the position of ball hole, and be fixed on the dividing plate by last end support, the lower surface of following ball groove is fixed on the cabinet base to nozzle block and by following end support, following ball groove is between ball hole and nozzle block, and the inclination angle that presents 30 degree～45 degree tumbles on the nozzle block with the convenient vollyball that enters from ball hole accurately, the lower end of nozzle block makes on the pull bar that is fixed by bolts to cylinder, again cylinder is fixed on the cabinet base by screw, the bilateral symmetry position of nozzle block is connected with the guide post that pair of upright is placed movingly, the lower end of guide post is fixed on the cabinet base by screw, and the upper end of guide post is fixed on the dividing plate by screw;
Be " cross " symmetry on the nozzle block 5 jet pipes uprightly are installed, the jet pipe that is in the center slightly is shorter than and is symmetrically distributed in its 4 jet pipes on every side, and the distance around core jet pipe and its between 4 jet pipes is less than the vollyball radius, 5 jet pipe common combinations form a concave surface that conforms to the vollyball sphere, make 5 jet pipes when fitting tightly with vollyball, play positioning action for vollyball, 5 jet pipes all carry out air feed by air accumulator, and by the jet time of the high-speed electromagnetic valve control jet pipe that is installed on each jet pipe lower end, the length of jet time causes the vollyball difference of 5 stressed times of impetus of bottom, makes vollyball obtain speed and the rotary state that needs;
Be provided with launching tube directly over the nozzle block, the lower end of launching tube by bolting on dividing plate, the last plane of casing is passed in the launching tube upper end, be fixed with an air accumulator on the cabinet base, the one side of air accumulator is provided with the air accumulator air inlet and is used for carrying out pipeline with the air supply pipe of air compressor machine and is connected, the other one side of air accumulator is arranged with 7 air accumulator gas outlets, and 7 air accumulator gas outlets are carried out pipeline with 2 air inlet pipe of 5 high-speed electromagnetic valves and cylinder respectively and are connected;
Under the instruction of computer, the air cylinder driven nozzle block moves upward along guide post together with the vollyball in the nozzle block and enters in the launching tube, finish the action of launching tube bottom filling vollyball, 5 high-speed electromagnetic valves open and close constantly respectively at difference as required, make the gases at high pressure in the air accumulator eject by 5 jet pipes, gases at high pressure promote vollyball and penetrate from launching tube and strike on the slam-shot baffle plate on the locating rack, and vollyball bounce-back afterwards forms the slam-shot that the present invention will simulate and moves.
The invention has the beneficial effects as follows:
Training aids of the prior art is that utilization high speed vollyball clashes into the mode of slam-shot baffle plate to form the slam-shot effect, the high speed vollyball that the volleyball service device of existing conventional means emits, after striking baffle plate and bounce-back, it can produce rolling effect from bottom to top inevitably, and its velocity of rotation only angle with the slam-shot baffle plate is relevant with the ball speed of vollyball own, can't artificially be controlled.And for real motion person's slam-shot, the rotary state of vollyball is various.So this fixedly turning effect of training aids will inevitably reduce the training aids skimulated motion person authenticity of behavior of spiking greatly in the past, to such an extent as to directly have influence on effect for training athlete.
The multi nozzle gas blowout formula service robot structure that is used for the volleyball smash trainer among the present invention is: service robot is provided with casing, casing is divided into two-layer up and down by dividing plate, the last plane of casing is provided with ball hole, the below of ball hole is provided with down the ball groove, the ball hole position is aimed in the upper end of following ball groove, the lower end is passed through dividing plate and is aimed at the nozzle block position that is positioned at the dividing plate below, can make the vollyball put into from ball hole to go into nozzle block like this along ball trough roller down, be provided with 5 in the nozzle block and be the jet pipe that " cross " is symmetrically distributed, each jet pipe is all by high-speed electromagnetic valve control break-make mounted thereto, the lower end of nozzle block is fixed on the pull bar of cylinder, be provided with the service tube directly over the nozzle block, all jet pipes and cylinder carry out air feed by the air accumulator that is installed in the dividing plate below, during ready serve, air cylinder driven nozzle block and be in wherein vollyball and move upward and enter launching tube, finish the action of launching tube bottom filling vollyball, computer is controlled the jet time of corresponding jet pipe by the break-make of controlling each magnetic valve afterwards, and vollyball penetrates from launching tube with required rotary state and speed under the effect of gas jet.Service robot based on this structure has the following advantages:
One, 5 jet pipes that are " cross " symmetrical distribution quicken vollyball five impetus of vollyball bottom are jet respectively in the structure use nozzle block of the present invention, so just can control the stressed time of vollyball impetus by control jet pipe jet time, make this service robot have to control simultaneously the function of vollyball ball speed and rotary state.Use this service robot can control the characteristics of vollyball rotary state, before vollyball bump slam-shot baffle plate, offer one of vollyball and rotate lead by service robot, when can spiking baffle plate with the vollyball bump, this lead cancels out each other because of the intrinsic turning effect that frictional force produced, thereby make the vollyball after the bounce-back of slam-shot baffle plate to have various and controlled rotating effect, this has strengthened the spike authenticity of behavior of volleyball smash training aids skimulated motion person greatly;
Its two, service robot involved in the present invention adopts the launching tube bottom to load the mode of vollyball, can realize loading continuously automatically and emission of vollyball by simple structure like this, make operate easier.
Description of drawings
Fig. 1 is the complete section schematic diagram of the service robot 19 of the present invention's proposition.
Fig. 2 is the partial cutaway diagrammatic sketch of service robot 19 sides of the present invention's proposition.
The schematic perspective view of nozzle block 10 that Fig. 3 proposes for the present invention and jet pipe 9 mounted thereto.
The principle analysis figure of the vollyball bump slam-shot baffle plate 23 that Fig. 4 launches for service robot 19 of the present invention.
The scheme of installation of service robot 19 in the slam-shot training aids that Fig. 5 proposes for the present invention.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and embodiments.
Fig. 1 is the complete section schematic diagram of the service robot 19 of the present invention's proposition; Fig. 2 is the partial cutaway diagrammatic sketch of service robot 19 sides of the present invention's proposition.Wherein: the 1st, ball hole; The 2nd, following ball groove; The 3rd, last end support; The 4th, following end support; The 5th, launching tube; The 6th, casing; The 7th, dividing plate; The 8th, guide post; The 9th, jet pipe; The 10th, nozzle block; The 11st, high-speed electromagnetic valve; The 12nd, cylinder; The 13rd, air accumulator; The 14th, cabinet base; The 15th, the air accumulator gas outlet; The 16th, the air accumulator air inlet.
Whole service process is made up of placement vollyball, filling vollyball to launching tube and three steps of emission vollyball:
At first armed vollyball is put into from ball hole 1 successively and is rolled downwards, when being rolled to down the bottom of ball groove 2, stopping rolling and be stored in down in the ball groove 2 because of the vollyball that stops that is subjected to nozzle block 10 along following ball groove 2;
When preparing the filling vollyball to launching tube 5, nozzle block 10 moves downward to minimum point under the driving of cylinder 12, this at present ball groove 2 vollyball bottom suffered stop disappearance, thereby under the effect of gravity, tumble in the nozzle block 10, in nozzle block 10, be " cross " and be symmetrically installed with five jet pipes 9, the jet pipe 9 that is in the center is slightly short than four jet pipes 9 that are symmetrically distributed around it, such five jet pipe 9 common combinations form a concave surface, just in time hold the vollyball that from following ball groove 2, tumbles in the nozzle block 10, and then cylinder 12 driving nozzle blocks 10 and the vollyball on it move up to peak, nozzle block 10 and the launching tube 5 on it are combined to form the cylindrical container of a bottom lock like this, and the vollyball in the nozzle block 10 is finished the filling process and can be launched at any time at this moment;
When needs emission vollyball, computer 20 calculates the jet time of five jet pipes 9 according to the requirement of ball speed and rotary state, and control corresponding high-speed electromagnetic valve 11 by computer instruction and carry out the action that opens and closes respectively, because five jet pipes 9 carry out jet to vollyball bottom centre's point and its 4 of being symmetrically distributed on every side respectively, the length of jet pipe 9 jet times has caused the difference of vollyball five stressed times of stress point of bottom, and then reaching the ball speed of computer 20 control vollyballs and the purpose of rotary state, the vollyball that finally has required rotary state and ball speed emits from launching tube 5.
The schematic perspective view of nozzle block 10 that Fig. 3 proposes for the present invention and jet pipe 9 mounted thereto.As shown in the figure, five jet pipes 9 are " cross " and distribute in nozzle block 10, the jet pipe 9 that is positioned at the center slightly is shorter than its four jet pipes 9 on every side, during the emission vollyball, the break-make that computer 20 is installed in the high-speed electromagnetic valve 11 of jet pipe lower end by control is controlled the jet time of jet pipe 9, the length of jet time causes the vollyball difference of five stressed times of impetus of bottom, and then makes vollyball obtain speed and the rotary state that needs under the effect of five thrusts in bottom.
The principle analysis figure of the vollyball bump slam-shot baffle plate 23 that Fig. 4 launches for service robot 19 of the present invention.There is a force of sliding friction f (t) when as shown in the figure, the high speed vollyball is on striking slam-shot baffle plate 23.This frictional force can be decomposed into a power f by the centre of sphere to the centre of sphere
o(t) and torque M
o(t).Vollyball certainly leads to a clockwise rotational angular velocity under the effect of this torque, and the material of the angle of the ball of the size of this angular speed and vollyball speed and baffle plate and vollyball and baffle plate is relevant.
In order to eliminate because of the slam-shot intrinsic turning effect that principle caused, before the emission vollyball, computer 20 calculates the size of vollyball because of the rotational angular velocity that frictional force produced according to the angle and the required ball speed of slam-shot baffle plate 23, computer 20 is stacked in the rotation lead of an opposite sign but equal magnitude on the rotary state behind the volleyball smash in view of the above afterwards, after this computer 20 control service robots are transmitted into vollyball on the slam-shot baffle plate, at this moment the rotation lead of vollyball and intrinsic turning effect are cancelled out each other, vollyball rebounds downwards with required rotary state and speed and forms slam-shot, Here it is, and this service robot can overcome intrinsic turning effect, the concrete reason that skimulated motion person truly spikes and moves.
The scheme of installation of service robot 19 in the slam-shot training aids that Fig. 5 proposes for the present invention.Wherein 17 is slam-shot training aids bases; The 18th, air compressor machine; The 19th, service robot; The 20th, computer; The 21st, locating rack; The 22nd, screw mandrel; The 23rd, the slam-shot baffle plate; The 24th, movable stand.
On slam-shot training aids base 17, air compressor machine 18, service robot 19, computer 20 and locating rack 21 are installed, locating rack 21 is for being fixedly installed on the pair of parallel pillar on the slam-shot training aids base 17, with the pillar is guide rod, the movable stand 24 that can adjust height by vertical screw mandrel 22 is installed on it, the outside of movable stand 24, be the slam-shot baffle plate 23 that cantilevered is provided with tilt adjustable, slam-shot baffle plate 23 is positioned on the alley of service robot 19, service robot 19 uses air compressor machine 18 to carry out air feed, in order to carry out the delivery of service of various needs.
Claims (2)
1. multi nozzle gas blowout formula service robot that is used for the volleyball smash training aids, comprise the service robot (19) that is arranged on the slam-shot training aids base (17), air compressor machine (18), computer (20) and locating rack (21), be provided with universal caster wheel below the described slam-shot training aids base (17), described locating rack (21) is for being fixedly installed on the pair of parallel pillar on the slam-shot training aids base (17), with the pillar is guide rod, the movable stand (24) that can carry out Height Adjustment by vertical screw mandrel (22) is installed on it, the outside in described movable stand (24), be the slam-shot baffle plate (23) that cantilevered is provided with tilt adjustable, described slam-shot baffle plate (23) is positioned on the alley of service robot (19), it is characterized in that:
Described service robot (19) is provided with casing (6), be provided with a dividing plate (7) in the described casing (6) casing is divided into double-layer structure up and down, on the last planar central line position of casing (6), be provided with funnelform ball hole (1), the below of ball hole (1) is equipped with the following ball groove (2) of semicircle tubulose, the upper end of following ball groove (2) is over against the position of ball hole (1), and be fixed on the dividing plate (7) by last end support (3), the lower surface of following ball groove (2) is fixed on the cabinet base (14) to nozzle block (10) and by following end support (4), described ball groove (2) down is positioned between ball hole (1) and the nozzle block (10), the inclination angle that following ball groove (2) presents 30 degree～45 degree tumbles on the nozzle block (10) accurately with the convenient vollyball that enters from ball hole (1), the lower end of described nozzle block (10) makes on the pull bar that is fixed by bolts to cylinder (12), again cylinder (12) is fixed on the cabinet base (14) by screw, the bilateral symmetry position of described nozzle block (10) is connected with the guide post (8) that pair of upright is placed movingly, the lower end of described guide post (8) is fixed on the cabinet base (14) by screw, and the upper end of guide post (8) is fixed on the dividing plate (7) by screw;
Be " cross " symmetry on the described nozzle block (10) 5 jet pipes (9) uprightly are installed, the jet pipe (9) that is in the center slightly is shorter than and is symmetrically distributed in its 4 jet pipes (9) on every side, and the distance around described core jet pipe (9) and its between 4 jet pipes (9) is less than the vollyball radius, 5 jet pipes (9) common combination forms a concave surface that conforms to the vollyball sphere, make 5 jet pipes (9) when fitting tightly with vollyball, play positioning action for vollyball, described 5 jet pipes (9) all carry out air feed by air accumulator (13), and by the jet time of high-speed electromagnetic valve (11) the control jet pipe (9) that is installed on each jet pipe (9) lower end, the length of jet time causes the vollyball difference of 5 stressed times of impetus of bottom, and then makes vollyball obtain speed and the rotary state that needs;
Be provided with launching tube (5) directly over the described nozzle block (10), described launching tube (5) lower end by bolting on dividing plate (7), the last plane of casing (6) is passed in described launching tube (5) upper end, be fixed with an air accumulator (13) on the described cabinet base (14), the one side of described air accumulator (13) is provided with air accumulator air inlet (16) and is used for carrying out pipeline with the air supply pipe of air compressor machine (18) and is connected, the other one side of described air accumulator (13) is arranged with a plurality of air accumulators gas outlet (15), and described a plurality of air accumulators gas outlets (15) are carried out pipeline with a plurality of high-speed electromagnetic valves (11) with the air inlet pipe of cylinder (12) respectively and are connected;
Under the instruction of computer (20), described cylinder (12) driving nozzle block (10) moves upward along guide post (8) together with the vollyball in the nozzle block (10) and enters in the launching tube (5), finish the action of launching tube (5) bottom filling vollyball, described 5 high-speed electromagnetic valves (11) open and close constantly respectively at difference as required, make the gases at high pressure in the air accumulator (13) eject by 5 jet pipes (9), gases at high pressure promote vollyball and penetrate from launching tube (5) and strike on the slam-shot baffle plate (23) on the locating rack (21), and the slam-shot that the formation of vollyball bounce-back afterwards will be simulated is moved.
2. a kind of multi nozzle gas blowout formula service robot that is used for the volleyball smash training aids according to claim 1, it is characterized in that: the one side of described air accumulator (13) is provided with air accumulator air inlet (16) and is used for carrying out pipeline with the air supply pipe of air compressor machine (18) and is connected, the other one side of described air accumulator (13) is arranged with 7 air accumulator gas outlets (15), and described 7 air accumulator gas outlets (15) are carried out pipeline with two air inlet pipe of 5 high-speed electromagnetic valves (11) and cylinder (12) respectively and are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100251076A CN101574579B (en) | 2008-05-06 | 2008-05-06 | Multi-nozzle airspray ball-service device for volleyball smashing training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100251076A CN101574579B (en) | 2008-05-06 | 2008-05-06 | Multi-nozzle airspray ball-service device for volleyball smashing training device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101574579A CN101574579A (en) | 2009-11-11 |
| CN101574579B true CN101574579B (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100251076A Expired - Fee Related CN101574579B (en) | 2008-05-06 | 2008-05-06 | Multi-nozzle airspray ball-service device for volleyball smashing training device |
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| CN (1) | CN101574579B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527011A (en) * | 2012-02-24 | 2012-07-04 | 哈尔滨工程大学 | Suspended volleyball spiking device |
| CN103316465B (en) * | 2013-07-11 | 2015-03-25 | 四川大学 | Ball serving device for volleyball smash training |
| CN104374588B (en) * | 2014-08-18 | 2017-05-03 | 杭州航海仪器有限公司 | Loading and unloading simulation equipment of launching device |
| CN107789821B (en) * | 2017-11-30 | 2019-04-26 | 杨久洲 | A kind of crouching table tennis serving machine |
| CN108159674A (en) * | 2018-01-16 | 2018-06-15 | 辽宁石油化工大学 | Movable volleyball training table |
| CN112619099B (en) * | 2020-12-04 | 2022-06-17 | 台州智子科技有限公司 | Multifunctional table tennis sports device |
| CN112619103B (en) * | 2020-12-22 | 2021-12-21 | 云阳县江口镇江口小学 | Auxiliary training device with uncertain and changeable ball drop points for sports volleyball court |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2460866A1 (en) * | 1974-10-07 | 1976-06-24 | Hans Knoop | Machine for football ejection training - sliding flap across outlet of pneumatic ejection tube |
| CN2286059Y (en) * | 1997-02-24 | 1998-07-15 | 田小平 | Service robot for balls sport training |
| DE19745739A1 (en) * | 1997-10-16 | 1999-06-17 | Hascher Siegfried | Ball machine to eject balls for football training purposes |
| CN1861233A (en) * | 2006-06-10 | 2006-11-15 | 合肥工业大学 | Equipment for volleyballer training use |
-
2008
- 2008-05-06 CN CN2008100251076A patent/CN101574579B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2460866A1 (en) * | 1974-10-07 | 1976-06-24 | Hans Knoop | Machine for football ejection training - sliding flap across outlet of pneumatic ejection tube |
| CN2286059Y (en) * | 1997-02-24 | 1998-07-15 | 田小平 | Service robot for balls sport training |
| DE19745739A1 (en) * | 1997-10-16 | 1999-06-17 | Hascher Siegfried | Ball machine to eject balls for football training purposes |
| CN1861233A (en) * | 2006-06-10 | 2006-11-15 | 合肥工业大学 | Equipment for volleyballer training use |
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| CN101574579A (en) | 2009-11-11 |
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Granted publication date: 20100818 Termination date: 20160506 |