CN108404391A - A kind of athletic training vollyball catapult-launching gear - Google Patents

A kind of athletic training vollyball catapult-launching gear Download PDF

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Publication number
CN108404391A
CN108404391A CN201810303678.5A CN201810303678A CN108404391A CN 108404391 A CN108404391 A CN 108404391A CN 201810303678 A CN201810303678 A CN 201810303678A CN 108404391 A CN108404391 A CN 108404391A
Authority
CN
China
Prior art keywords
fixedly connected
movable
catapult
service pipe
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810303678.5A
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Chinese (zh)
Inventor
李小华
杨锋
李剑波
周鸿雁
邓小康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan University of Arts and Science
Original Assignee
Hunan University of Arts and Science
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan University of Arts and Science filed Critical Hunan University of Arts and Science
Priority to CN201810303678.5A priority Critical patent/CN108404391A/en
Publication of CN108404391A publication Critical patent/CN108404391A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/0095Training appliances or apparatus for special sports for volley-ball
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • A63B69/40Stationarily-arranged devices for projecting balls or other bodies
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2243/00Specific ball sports not provided for in A63B2102/00 - A63B2102/38
    • A63B2243/0095Volleyball

Abstract

The present invention relates to sport training system apparatus fields, and disclose a kind of athletic training vollyball catapult-launching gear, including pedestal, there are two support plates for the side fixed installation of the base top, the top fixing sleeve of two support plates is connected to same locating shaft, the middle part movable sleeve of the locating shaft is connected to rotating frame, and the front of the rotating frame is installed with the limit shaft positioned at support plate side.The athletic training vollyball catapult-launching gear, it is driven by mobile movable block and is moved by movable plate, and so that positioning intermediate plate contacts slide bar by rotating screw, to fixed movable block, and then adjust the tensile elongation of compression spring, to be batted by the effect of the elastic force of compression spring so that serve speed is adjustable, avoids, the teeing apparatus of common synkinesia person's training can only emit ball, the speed of transmitting ball cannot be adjusted so that the speed served a ball every time is identical, causes training athlete effect not high.

Description

A kind of athletic training vollyball catapult-launching gear
Technical field
The present invention relates to sport training system apparatus field, specially a kind of athletic training vollyball catapult-launching gear.
Background technology
Vollyball is one of ball game project, and football and basketball and referred to as three major ball games of basketball, in the daily instruction of professional athlete In white silk, it is often necessary to which the practice individually received is made fast reaction to the ball from all directions, given with correct mode To fight back.
However, the teeing apparatus of common synkinesia person's training can only emit ball, the speed of transmitting ball cannot be adjusted, is made It is identical to obtain the speed served a ball every time, causes training athlete effect not high, and common teeing apparatus cannot control out the angle of ball Degree cannot bring substantive raising to sportsman, to meet the training demand of sportsman.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of athletic training vollyball catapult-launching gear, have convenient for control Serve speed and convenient for control service high and low angle the advantages that, solve the teeing apparatus of common synkinesia person's training only Ball can be emitted, the speed of transmitting ball cannot be adjusted so that the speed served a ball every time is identical, causes training athlete effect not high, And common teeing apparatus cannot control out the angle of ball, and substantive raising cannot be brought to sportsman, to meet The problem of training demand of sportsman.
(2) technical solution
To realize that the purpose of the above-mentioned high and low angle convenient for control serve speed and convenient for control service, the present invention provide such as Lower technical solution:A kind of athletic training vollyball catapult-launching gear, including pedestal, there are two the side fixed installations of the base top The top fixing sleeve of support plate, two support plates is connected to same locating shaft, and the middle part movable sleeve of the locating shaft is connected to rotation Turn frame, the front of the rotating frame is installed with the limit shaft positioned at support plate side, the top chosen to install inside frame and Top is installed with horizontal axis, sliding block is movably installed on the horizontal axis, the quantity of the sliding block is four, and four sliding blocks It is symmetrically distributed on two horizontal axis for one group with two, the bottom end of the sliding block is fixedly connected with movable frame, the movable frame Top is fixedly connected with montant, and the side of the montant is fixedly connected with push rod, and the one end of the push rod far from montant extends to One end of the inside of service pipe, the service pipe is fixedly connected with the side at the top of rotating frame, the push rod far from montant one End is fixedly connected with the batting block inside service pipe, and the internal activity of the service pipe is set with by movable plate, described passive The front of plate is fixedly connected with gag lever post, and one end of the gag lever post extends to the outside of service pipe, inside the service pipe Top is fixedly connected with positioned at by the locating piece of movable plate side, and the side of the remotely located axis of rotating frame is fixedly connected with support The bottom of plate, the supporting plate is installed with supporting block, and the side at the top of the supporting block is fixedly connected with supporting rod, the branch The top of strut is fixedly connected with the bottom of service pipe.
Preferably, the inside of the rotating frame is installed with the servo motor positioned at horizontal axis side, the servo motor Output shaft on fixing sleeve be equipped with partial gear.
Preferably, interlocking lever is movably installed on the limit shaft, one end of the interlocking lever and one end of rotation axis are lived Dynamic socket, the rotation axis are fixedly mounted on turntable, and the turntable is fixedly set on the output shaft of driving motor, the drive Dynamic motor is fixedly mounted on the top of pedestal, and driving motor is located at the side of support plate.
Preferably, the bottom of the movable frame top frame is installed with rack, and the rack is being located at partial gear just Top, and rack is engaged with the gear on partial gear.
Preferably, the side fixing sleeve at the top of the service pipe is equipped with ball cabinet, and the bottom end of ball cabinet connects with service pipe Logical, the inside of the service pipe is installed with the filter between locating piece and ball cabinet.
Preferably, described to be fixedly connected with compression spring by the side of movable plate, the compression spring movable set is on push rod, and compression spring One end with service tube cavity side wall be fixedly connected.
Preferably, one end of the gag lever post extends to the outside of service pipe and is fixedly connected with movable block, the movement Slide bar is movably installed in the middle part of block, the both ends of the slide bar have been fixedly connected with limited block, the back side of institute's limited block and service The front of pipe is fixedly connected, and the front screw thread of the movable block is socketed with screw, and one end of the screw extends to movable block Internal and movable sleeve is connected to locating clip piece, and positions intermediate plate and be adapted with slide bar.
Preferably, the middle part movable sleeve of the locating piece is connected to couple axle, and one end of the couple axle is fixedly connected with card The side of plate, the snap-gauge is fixedly connected with spring, and the spring movable set is on couple axle, and one end of spring and positioning The side of block is fixedly connected, and side of the snap-gauge far from couple axle is fixedly connected with partition board, the partition board far from snap-gauge one Side is fixedly connected with telescopic rod, and one end of the telescopic rod is fixedly connected with the inner wall of service pipe.
Preferably, the bottom fixing sleeve of the supporting block is equipped with shaft, and elevating lever is movably installed in the middle part of the shaft, The bottom end of the lifting and lifting pipe pivot bush unit, the lifting pipe is fixedly mounted on the top of pedestal, and lifting pipe is located at branch The bottom end of the other side of fagging, the elevating lever is fixedly connected with the movable head inside lifting pipe, the movable head and liter Pipe pivot bush unit drops, and the top of the movable head is fixedly connected with tension spring, and the tension spring movable set is on elevating lever, and tension spring Top and lifting tube cavity at the top of be fixedly connected.
(3) advantageous effect
Compared with prior art, the present invention provides a kind of athletic training vollyball catapult-launching gear, has following advantageous effect:
1, the athletic training vollyball catapult-launching gear is driven by mobile movable block and is moved by movable plate, and by rotating screw So that positioning intermediate plate contacts slide bar, to fixed movable block, and then the tensile elongation of tension spring is adjusted, to pass through the elastic force of compression spring It acts on to bat so that serve speed is adjustable, avoids, and the teeing apparatus of common synkinesia person training can only emit Ball cannot adjust the speed of transmitting ball so that the speed served a ball every time is identical, causes training athlete effect not high.
2, the athletic training vollyball catapult-launching gear drives turntable rotation, using interlocking lever so that rotation by driving motor Frame is rotated by axle center of locating shaft, to adjust the angle of service pipe, and then is controlled the high and low angle of service, is avoided common Teeing apparatus cannot control out the angle of ball, and substantive raising cannot be brought to sportsman, to meet sportsman's The problem of training demand.
3, athletic training vollyball catapult-launching gear, by adjusting the rotating speed of servo motor, to control the movement of movable frame Frequency, and then the frequency that push rod drives batting block batting is controlled, convenient for increasing serve speed when training athlete, to training fortune The respond of receiving mobilized brings substantive promotion to telemechanical person, to improve training effect.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the sectional view of structure of the invention service pipe;
Fig. 3 is the side sectional view of structure of the invention rotating frame;
Fig. 4 is the sectional view of structure of the invention movable block.
In figure:1 pedestal, 2 support plates, 3 locating shafts, 4 rotating frames, 5 limit shafts, 6 horizontal axis, 7 sliding blocks, 8 movable frames, 9 montants, 10 push rods, 11 service pipes, 12 batting blocks, 13 by movable plate, 14 gag lever posts, 15 locating pieces, 16 supporting plates, 17 supporting blocks, 18 supporting rods, 19 servo motors, 20 partial gears, 21 interlocking levers, 22 rotation axis, 23 turntables, 24 driving motors, 25 racks, 26 ball cabinets, 27 filters, 28 compression springs, 29 movable blocks, 30 slide bars, 31 limited blocks, 32 screws, 33 positioning intermediate plates, 34 couple axles, 35 snap-gauges, 36 bullets Spring, 37 partition boards, 38 telescopic rods, 39 shafts, 40 elevating levers, 41 lifting pipes, 42 movable heads, 43 tension springs.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, peace is fixed in a kind of athletic training vollyball catapult-launching gear, including pedestal 1, the side at 1 top of pedestal There are two support plate 2, the top fixing sleeves of two support plates 2 to be connected to same locating shaft 3, the middle part pivot bush unit of locating shaft 3 for dress There are rotating frame 4, the inside of rotating frame 4 to be installed with the servo motor 19 positioned at 6 side of horizontal axis, the output shaft of servo motor 19 Upper fixing sleeve is equipped with partial gear 20, drives partial gear 20 to rotate using servo motor 19, to utilize incomplete tooth The engagement of external tooth and rack 25 on wheel 20 drives movable frame 8 to move, and then push rod 10 is driven to move, and utilizes compression spring 28 Pressure effect, make batting block 12 bat, achieve the effect that emit ball, the front of rotating frame 4 is installed with positioned at support plate 2 The limit shaft 5 of side is movably installed with interlocking lever 21, one end of interlocking lever 21 and one end activity of rotation axis 22 on limit shaft 5 Socket, rotation axis 22 are fixedly mounted on turntable 23, and turntable 23 is fixedly set on the output shaft of driving motor 24, driving motor 24 are fixedly mounted on the top of pedestal 1, and driving motor 24 is located at the side of support plate 2, and turntable is driven using driving motor 24 23 rotations, to using interlocking lever 21 so that rotating frame 4 with locating shaft 3 is axis rotation, to control the height of service pipe 11 Angle chooses to install top and top inside frame 4 and is installed with horizontal axis 6, horizontal axis 6 convenient for improving the ability of receiving of sportsman On be movably installed with sliding block 7, the quantity of sliding block 7 is four, and four sliding blocks 7 are symmetrically distributed in two horizontal axis with two for one group On 6, the bottom end of sliding block 7 is fixedly connected with movable frame 8, and the bottom of 8 top frame of movable frame is installed with rack 25, and rack 25 is located at The surface of partial gear 20, and rack 25 is engaged with the gear on partial gear 20, the top of movable frame 8 is fixedly connected There are montant 9, the side of montant 9 to be fixedly connected with push rod 10, the one end of push rod 10 far from montant 9 extends in service pipe 11 The side fixing sleeve in portion, 11 top of service pipe is equipped with ball cabinet 26, and the bottom end of ball cabinet 26 is connected with service pipe 11, service pipe 11 inside is installed with the filter 27 between locating piece 15 and ball cabinet 26, using filter 27 come to entering service pipe Vollyball limit inside 11, while the transmitting of vollyball is not influenced, one end of service pipe 11 and the side at 4 top of rotating frame are fixed and are connected It connects, the one end of push rod 10 far from montant 9 is fixedly connected with the batting block 12 inside service pipe 11, and the inside of service pipe 11 is lived It is dynamic to be set with by movable plate 13, compression spring 28 is fixedly connected with by the side of movable plate 13,28 movable set of compression spring is pressed on push rod 10 One end of spring 28 is fixedly connected with the side wall of 11 inner cavity of service pipe, is acted on using the elastic force of compression spring 28 so that driven by movable plate 13 Block 12 of batting moves, and to bat, achievees the effect that emit vollyball, gag lever post 14 is fixedly connected with by the front of movable plate 13, limit One end of position bar 14 extends to the outside of service pipe 11 and is fixedly connected with movable block 29, and the middle part of movable block 29 is movably installed with The both ends of slide bar 30, slide bar 30 have been fixedly connected with limited block 31, and the back side of institute's limited block 31 and the front of service pipe 11 are fixed The front screw thread of connection, movable block 29 is socketed with screw 32, and one end of screw 32 extends to inside and the movable sleeve of movable block 29 It is connected to positioning intermediate plate 33, and positions intermediate plate 33 and is adapted with slide bar 30, by mobile movable block 29, to adjust by the position of movable plate 13 It sets, to adjust the tensile elongation of compression spring 28, and then the power asked as transmitting using the elastic potential energy of compression spring 28, control transmitting The speed of vollyball, convenient for improving the training quality of sportsman, one end of gag lever post 14 extends to the outside of service pipe 11, service pipe Top inside 11 is fixedly connected with positioned at by the locating piece 15 of 13 side of movable plate, and the middle part movable sleeve of locating piece 15 is connected to gearing One end of axis 34, couple axle 34 is fixedly connected with snap-gauge 35, and the side of snap-gauge 35 is fixedly connected with spring 36,36 movable sleeve of spring On couple axle 34, and one end of spring 36 is fixedly connected with the side of locating piece 15, snap-gauge 35 far from couple axle 34 one Side is fixedly connected with partition board 37, and side of the partition board 37 far from snap-gauge 35 is fixedly connected with telescopic rod 38, one end of telescopic rod 38 with The inner wall of service pipe 11 is fixedly connected, using partition board 37 so that the vollyball inside ball cabinet 26 does not interfere with inside service pipe 11 Vollyball, to not influence the transmitting of vollyball, meanwhile, when push rod 10 is moved to the left, by batting, block 12 drives snap-gauge 35 to move, So that partition board 37 moves, the vollyball in ball cabinet 26 enters that service pipe 11 is to be launched, is convenient for the continuous transmitting vollyball of equipment, The side of 4 remotely located axis 3 of rotating frame is fixedly connected with supporting plate 16, and the bottom of supporting plate 16 is installed with supporting block 17, support The bottom fixing sleeve of block 17 is equipped with shaft 39, and the middle part of shaft 39 is movably installed with elevating lever 40, lifts 40 bottom end and lifting 41 pivot bush unit of pipe, lifting pipe 41 is fixedly mounted on the top of pedestal 1, and lifting pipe 41 is located at the other side of support plate 2, lifting The bottom end of bar 40 is fixedly connected with the movable head 42 inside lifting pipe 41, movable head 42 and 41 pivot bush unit of lifting pipe, with The top of movable plate 42 is fixedly connected with tension spring 43, and 43 movable set of tension spring is on elevating lever 40, and the top of tension spring 43 and lifting Pipe is fixedly connected at the top of 41 inner cavity, is played a supporting role to service pipe 11 by telescopic rod 40, while not influencing service pipe 11 Rotation, the side at the top of supporting block 17 is fixedly connected with supporting rod 18, and the top of supporting rod 18 is solid with the bottom of service pipe 11 Fixed connection.
When work, the drive of movable block 29 is moved first and is moved by movable plate 13, and by rotating screw 32 so that positioning intermediate plate 33 contact slide bars 30, to fixed movable block 29, and then adjust the tensile elongation of tension spring 43, control the speed of service, then will Vollyball is put into ball cabinet 26, starts servo motor 19 and partial gear 20 is driven to rotate, by outer on partial gear 20 Tooth is engaged with rack 25, and movable frame 8 is driven to move to the left, drives push rod 10 to move to the left by montant 9, until incomplete tooth External tooth on wheel 20 is not contacted with rack 25, is acted on by the elastic force of compression spring 28, is driven 10 resetting movement of push rod, hit to drive Ball block 12 is batted, and to emit vollyball, finally utilizes driving motor 24 that turntable 23 is driven to rotate, using interlocking lever 21 so that rotation Frame 4 is rotated with locating shaft 3 for axle center, to adjust the angle of service pipe 11, and then controls the high and low angle of service.
In conclusion the athletic training vollyball catapult-launching gear, is driven by mobile movable block 29 and is moved by movable plate 13, and led to Rotation screw 32 is crossed so that positioning intermediate plate 33 contacts slide bar 30, to fixed movable block 29, and then the stretching for adjusting compression spring 28 is grown Degree, to be batted by the effect of the elastic force of compression spring 28 so that serve speed is adjustable, avoids, common synkinesia person Trained teeing apparatus can only emit ball, cannot adjust the speed of transmitting ball so that the speed served a ball every time is identical, causes to move Member's training effect is not high;Turntable 23 is driven to rotate by driving motor 24, using interlocking lever 21 so that rotating frame 4 is with locating shaft 3 It is rotated for axle center, to adjust the angle of service pipe 11, and then controls the high and low angle of service, avoid common teeing apparatus The angle of ball cannot be controlled out, substantive raising cannot be brought to sportsman, to which the training demand of sportsman cannot be met The problem of;By adjusting the rotating speed of servo motor 19, to control the travel frequency of movable frame 8, and then controls push rod 10 and drive The frequency that block 12 of batting is batted, convenient for increasing serve speed when training athlete, thus the respond of receiving of train athletes, Substantive promotion is brought to telemechanical person, to improve training effect;Solves the hair of common synkinesia person's training Ball equipment can only emit ball, cannot adjust the speed of transmitting ball so that the speed served a ball every time is identical, and training athlete is caused to be imitated Fruit is not high, and common teeing apparatus cannot control out the angle of ball, and substantive raising cannot be brought to sportsman, to not The problem of training demand of sportsman can be met.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (9)

1. a kind of athletic training vollyball catapult-launching gear, including pedestal (1), it is characterised in that:Side at the top of the pedestal (1) is solid For Dingan County's dress there are two support plate (2), the top fixing sleeve of two support plates (2) is connected to same locating shaft (3), the positioning The middle part movable sleeve of axis (3) is connected to rotating frame (4), and the front of the rotating frame (4) is installed with positioned at support plate (2) side Limit shaft (5), it is described to choose to install the internal top of frame (4) and top is installed with horizontal axis (6), it is living on the horizontal axis (6) Dynamic to be set with sliding block (7), the quantity of the sliding block (7) is four, and four sliding blocks (7) are symmetrically distributed in two with two for one group On a horizontal axis (6), the bottom end of the sliding block (7) is fixedly connected with movable frame (8), is fixedly connected at the top of the movable frame (8) There are montant (9), the side of the montant (9) to be fixedly connected with push rod (10), the one end of the push rod (10) far from montant (9) is prolonged The inside of service pipe (11) is extended to, one end of the service pipe (11) is fixedly connected with the side at the top of rotating frame (4), described to push away The one end of bar (10) far from montant (9) is fixedly connected with positioned at the internal batting block (12) of service pipe (11), the service pipe (11) internal activity is set with by movable plate (13), and the front by movable plate (13) is fixedly connected with gag lever post (14), described One end of gag lever post (14) extends to the outside of service pipe (11), and the internal top of the service pipe (11), which is fixedly connected with, to be located at By the locating piece (15) of movable plate (13) side, the side of the remotely located axis of the rotating frame (4) (3) is fixedly connected with supporting plate (16), the bottom of the supporting plate (16) is installed with supporting block (17), and the side at the top of the supporting block (17) is fixedly connected There are supporting rod (18), the top of the supporting rod (18) to be fixedly connected with the bottom of service pipe (11).
2. a kind of athletic training vollyball catapult-launching gear according to claim 1, it is characterised in that:The rotating frame (4) Inside is installed with the servo motor (19) positioned at horizontal axis (6) side, fixing sleeve on the output shaft of the servo motor (19) Equipped with partial gear (20).
3. a kind of athletic training vollyball catapult-launching gear according to claim 1, it is characterised in that:On the limit shaft (5) It is movably installed with interlocking lever (21), one end pivot bush unit of one end and rotation axis (22) of the interlocking lever (21), the rotation Axis (22) is fixedly mounted on turntable (23), and the turntable (23) is fixedly set on the output shaft of driving motor (24), described Driving motor (24) is fixedly mounted on the top of pedestal (1), and driving motor (24) is located at the side of support plate (2).
4. a kind of athletic training vollyball catapult-launching gear according to claim 1, it is characterised in that:Movable frame (8) top The bottom of frame is installed with rack (25), and the rack (25) is located at the surface of partial gear (20), and rack (25) It is engaged with the gear on partial gear (20).
5. a kind of athletic training vollyball catapult-launching gear according to claim 1, it is characterised in that:Service pipe (11) top The side fixing sleeve in portion is equipped with ball cabinet (26), and the bottom end of ball cabinet (26) is connected with service pipe (11), the service pipe (11) inside is installed with the filter (27) between locating piece (15) and ball cabinet (26).
6. a kind of athletic training vollyball catapult-launching gear according to claim 1, it is characterised in that:It is described by movable plate (13) Side is fixedly connected with compression spring (28), and compression spring (28) movable set is on push rod (10), and one end of compression spring (28) and hair The side wall of bulb (11) inner cavity is fixedly connected.
7. a kind of athletic training vollyball catapult-launching gear according to claim 1, it is characterised in that:The gag lever post (14) One end extends to the outside of service pipe (11) and is fixedly connected with movable block (29), the middle part movable set of the movable block (29) There are slide bar (30), the both ends of the slide bar (30) to be fixedly connected with limited block (31), the back side of institute's limited block (31) and service The front of pipe (11) is fixedly connected, and the front screw thread of the movable block (29) is socketed with screw (32), and the one of the screw (32) End extends to the inside of movable block (29) and movable sleeve is connected to locating clip piece (33), and positions intermediate plate (33) and mutually fitted with slide bar (30) Match.
8. a kind of athletic training vollyball catapult-launching gear according to claim 1, it is characterised in that:The locating piece (15) Middle part movable sleeve is connected to couple axle (34), and one end of the couple axle (34) is fixedly connected with snap-gauge (35), the snap-gauge (35) Side be fixedly connected with spring (36), spring (36) movable set is on couple axle (34), and one end of spring (36) It is fixedly connected with the side of locating piece (15), side of the snap-gauge (35) far from couple axle (34) is fixedly connected with partition board (37), side of the partition board (37) far from snap-gauge (35) is fixedly connected with telescopic rod (38), one end of the telescopic rod (38) It is fixedly connected with the inner wall of service pipe (11).
9. a kind of athletic training vollyball catapult-launching gear according to claim 1, it is characterised in that:The supporting block (17) Bottom fixing sleeve is equipped with shaft (39), and elevating lever (40) is movably installed in the middle part of the shaft (39), the lifting (40) Bottom end and lifting pipe (41) pivot bush unit, the lifting pipe (41) are fixedly mounted on the top of pedestal (1), and lifting pipe (41) position The bottom end of the other side in support plate (2), the elevating lever (40) is fixedly connected with positioned at the internal movable head of lifting pipe (41) (42), the movable head (42) and lifting pipe (41) pivot bush unit, the top of the movable head (42) is fixedly connected with tension spring (43), tension spring (43) movable set is on elevating lever (40), and the top on the top of tension spring (43) and lifting pipe (41) inner cavity Portion is fixedly connected.
CN201810303678.5A 2018-04-03 2018-04-03 A kind of athletic training vollyball catapult-launching gear Pending CN108404391A (en)

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CN109621372A (en) * 2019-01-29 2019-04-16 王晓 A kind of volleyball training simulation ball serving device
CN109692461A (en) * 2018-12-30 2019-04-30 郑州职业技术学院 Physical education equipment
CN109847315A (en) * 2019-01-22 2019-06-07 温州商学院 A kind of shuttlecock Sports training apparatus
CN111388985A (en) * 2020-04-07 2020-07-10 九江学院 Sports teaching volleyball service trainer
CN112870673A (en) * 2021-01-27 2021-06-01 莫锋 Continuous type service device that badminton training was used is educated to high-order section body
CN113648634A (en) * 2021-09-09 2021-11-16 重庆工商大学 Shuttlecock service electric machine
CN113975673A (en) * 2021-11-25 2022-01-28 广东电网有限责任公司 Protective device
CN114558312A (en) * 2022-03-11 2022-05-31 哈尔滨体育学院 Supplementary device of serving of stable form volleyball training

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CN109316728A (en) * 2018-10-17 2019-02-12 张家林 A kind of tennis teaching training method
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CN112870673A (en) * 2021-01-27 2021-06-01 莫锋 Continuous type service device that badminton training was used is educated to high-order section body
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