CN104548541B - Laser type discus instrument vibration training and information storing and monitoring device - Google Patents
Laser type discus instrument vibration training and information storing and monitoring device Download PDFInfo
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- CN104548541B CN104548541B CN201410840793.8A CN201410840793A CN104548541B CN 104548541 B CN104548541 B CN 104548541B CN 201410840793 A CN201410840793 A CN 201410840793A CN 104548541 B CN104548541 B CN 104548541B
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Abstract
The invention provides a laser type discus instrument vibration training and information storing and monitoring device, and relates to a laser type discus special strength instrument vibration training and monitoring device. By the laser type discus instrument vibration training and information storing and monitoring device, the problems that laser type super-equal-length discus special strength training is lack of vibration, a throwing arm of an athlete is directly stimulated at high strength, and quick strength training cannot be carried out at optimal time and cannot be monitored are solved. The laser type discus instrument vibration training and information storing and monitoring device comprises a discus exerting device, an information monitoring system and a vibrating device, wherein the discus exerting device comprises an annular track, a sliding telescopic rod, a sliding body, two laser tachymeters, a plurality of lifters and a plurality of elastic fixing racks; the number of the elastic fixing racks is the same with that of the lifters; and the vibrating device comprises a speed shifting shaft mechanism, an output shaft mechanism, a first gear, a second gear, a third gear, a fourth gear and a mounting cylinder. The device is used for laser type discus instrument vibration training and information storing and monitoring.
Description
Technical field
The present invention relates to a kind of laser type discus throw special strength apparatus vibration training and supervising device, belong to sports technology neck
Domain.
Background technology
The final goal of competitive sport training is to improve athletic specific performance, wins in play, therefore, possesses good
Good specific strength level is the common feature of each elite, being intimately associated and newly of specific technique and strengthening exercise
Training idea incorporate the important channel being to effectively improve specific strength level.
Modern high level discus throw special strength training, except conventional promptly, sleeping push away, sleeping draw, throw the means such as weight, be particular about
Using through custom-designed, close to the special project strengthening exercise device of action and vibration training device, but existing vibration is special
Physical strength training device is that player stands are practised on vibration platen, and vibratory stimulation is to athlete's lower limb, hip, waist muscle group
More notable, and relatively need the throwing arm muscle group vibratory stimulation that reinforcing stimuluss are trained substantially not enough.This is because vibration is
Conduct upwards via lower limb, hip, waist and trunk, the vibration reaching throwing arm is partially absorbed, oscillation intensity decays, between belonging to
Connect stimulation, training effect is not good enough.
The assurance of the Best Times of quick strength in track and field throwing event, lacks effective exercise and monitoring means.Can
In conjunction with the training of laser type discus throw special strength, vibrate direct reinforcing stimuluss throwing arm, effective white silk of the Best Times of quick strength
Practise and the training devicess of monitoring means also do not occur.
Content of the invention
The present invention is according to principles such as sport biomechanicses, electronics, mechanics, for solving laser type discus throw special strength
Training lacks the direct reinforcing stimuluss throwing arm of vibration, and quick effective exercise of strength Best Times and the problem of monitoring means,
And then a kind of laser type discus apparatus vibration training and information storage supervising device are provided.
The present invention is to solve the above problems to adopt the technical scheme that:
Laser type discus apparatus vibration training and information storage supervising device include discus power apparatus；Described discus is exerted oneself
Device include circular orbit, sliding extension bar, gliding mass, two laser velocimeters, multiple lifter and with lifter quantity phase one
The multiple elastic mounts causing；Each described elastic mounts include upper flat plate, lower flat board and be located at upper flat plate and lower flat board it
Between and the spring affixed with the two, circular orbit is in tilted layout, and the lower section of circular orbit is provided with the multiple liters ringwise arranged
Fall device, the top of each lifter is connected with the lower surface of circular orbit, the lower end of each lifter and corresponding flexible fastening
The upper flat plate of frame connects；Gliding mass is set in circular orbit and the two is slidably connected, and gliding mass is equipped with sliding extension bar, and slip is stretched
The end outside circular orbit of contracting bar is provided with limited block, and the lower section of circular orbit is provided with two in a distance
Laser velocimeter, the transmitting light of two laser velocimeters can be directed at discus；
It also includes information monitoring system and vibrating device；
Information monitoring system includes grip pressure transducer, projector, video camera, terminal pressure sensor, computer, language
Sound equipment and analog/digital conversion circuit；
Projector and video camera be arranged on the top of the lifter of the high-end connection of circular orbit on, grip pressure sensing
Device is arranged on the upper surface of discus, and the discus that terminal pressure sensor is arranged on circular orbit is sold in front of place；Grip pressure
The signal output part of force transducer and terminal pressure sensor connects the first signal of computer respectively by analog/digital conversion circuit
Input, the signal output part of video camera connects the secondary signal input of computer, the signal of one of laser velocimeter
Outfan connects the 3rd signal input part of computer, and the signal output part of another laser velocimeter connects the 4th of computer the
Signal input part, one of signal output part of computer connects the signal input part of projector, another letter of computer
Number outfan connects the signal input part of speech ciphering equipment；
Vibrating device includes speed change axis mechanism, output shaft mechanism, first gear, second gear, the 3rd gear, the 4th gear
With installation cylinder；Speed change axis mechanism includes base, motor, accumulator, switch, slideway, pull bar and first axle, and output shaft mechanism includes
Eccentric vibrating piece and the second axle；
The bottom surface of discus is provided with installation cylinder, installs cylinder and is arranged on the upper surface of sliding extension bar, slideway is fixed in peace
The inner chamber bottom surface of dress cylinder, base is slidably mounted in slideway, and motor and accumulator are arranged on base, and switch is arranged on installation cylinder
Lateral wall on, any both of which electrical connection in motor, accumulator and switch three, the side wall installing cylinder is opened in the horizontal direction
It is provided with strip through hole, one end of pull bar and base Joint, the other end of pull bar stretches out through strip through hole installs cylinder
Lateral wall, first axle is arranged along base glide direction, and first axle is rotatably connected on base, and first axle is connected with the outfan of motor
Connect, the second axle and first axle be arranged in parallel, the second axle is rotatably installed on the inner chamber bottom surface installing cylinder；It is fixed with same in first axle
The first gear of axle arrangement and second gear, the second axle is fixed with the 3rd coaxially arranged gear and the 4th gear, the first tooth
Wheel and the engagement of the 3rd gear, second gear and the setting of the 4th gear spacing, one end of neighbouring 4th gear of the second axle is provided with
Eccentric vibrating piece.
The invention has the beneficial effects as follows: the present invention, according to correlation theorys such as sport biomechanicses and electricity, designs combination
The laser type apparatus vibration training of discus throw special strength and information storage supervising device, specific strength exercise combines special action simultaneously
In conjunction with exercise of testing the speed, make training quality higher；Vibrating device directly stimulates throwing arm muscle group, improves explosive force；Raise more
Muscle fiber, to carry out exercise for power, makes more muscle contraction produce peak power；Computer system is stored up to various data messages
Deposit and processed, the front upper place installing terminal pressure transducer sold a little of circular orbit, discus clashes into terminal pressure sensing
Impact force measured by device, is transferred to computer, and speech ciphering equipment is reported to clashing into pressure prompting；Computer receives grip pressure transducer
Data simultaneously obtains pressure value curve chart through analyzing and processing, is transferred to projector and shows；Camera record Athletess image is simultaneously
Through computer analyzing and processing, movement locus image is exported and show to projector.The software system that computer adopts is existing skill
Art, computer system stores and processes to various data message clouds, according to each pressure value curve practised of athlete, goes out
The data such as handss point discus impact force, movement locus find out the optimum matching relation of indices, i.e. the Best Times of quick strength.
Discus throw special strength apparatus vibration training and information using the present invention store supervising device and can be effectively realized quick strength
Best Times exercise and monitor.
Brief description
Fig. 1 is the overall structure diagram of the present invention, and Fig. 2 is enlarged drawing at i in Fig. 1, and Fig. 3 is the top view of Fig. 2, figure
4 is that vibrating device is arranged on the overall structure diagram installed in cylinder, and Fig. 5 is the left view of Fig. 4, and Fig. 6 is eccentric vibrating piece
Structural representation, Fig. 7 is the a-a direction view of Fig. 4, and Fig. 8 is the electric part principle schematic of the present invention, and Fig. 9 is to be embodied as
The laser type discus apparatus vibration training of mode five and the overall structure diagram of information storage supervising device.
Specific embodiment
Specific embodiment one: with reference to Fig. 1-Fig. 8 explanation, the laser type discus apparatus vibration training of present embodiment and letter
Breath storage supervising device includes discus power apparatus；Described discus power apparatus include circular orbit 12, sliding extension bar 25, slide
24, two laser velocimeters 28 of body, multiple lifter 13 and the multiple elastic mounts consistent with lifter quantity；Each institute
State elastic mounts to include upper flat plate 18, lower flat board 20 and be located between upper flat plate 18 and lower flat board 20 and the bullet affixed with the two
Spring 19, circular orbit 12 is in tilted layout, and the lower section of circular orbit 12 is provided with the multiple lifters 13 ringwise arranged, each liter
The top of fall device 13 is connected with the lower surface of circular orbit 12, and the lower end of each lifter 13 is upper with corresponding elastic mounts
Flat board 18 connects；Gliding mass 24 is set in circular orbit 12 and the two is slidably connected, and gliding mass 24 is equipped with sliding extension bar 25, sliding
The end positioned at circular orbit 12 outside of dynamic expansion link 25 is provided with limited block 25-2, and the lower section of circular orbit 12 is at a distance of certain
Distance is provided with two laser velocimeters 28, and the transmitting light of two laser velocimeters 28 can be directed at discus 27；
It also includes information monitoring system and vibrating device；
Information monitoring system include grip pressure transducer 80, projector 81, video camera 82, terminal pressure sensor 83,
Computer 84, speech ciphering equipment 85 and analog/digital conversion circuit 86；
Projector 81 and video camera 82 be arranged on the top of the lifter 13 of the high-end connection of circular orbit 12 on, grip
Pressure transducer 80 is arranged on the upper surface of discus 27, and the discus that terminal pressure sensor 83 is arranged on circular orbit 12 goes out
In front of at handss；The signal output part of grip pressure transducer 80 and terminal pressure sensor 83 passes through analog/digital conversion circuit respectively
First signal input part of 86 connection computers 84, the signal output part of video camera 82 connects the secondary signal input of computer 84
End, the signal output part of one of laser velocimeter 28 connects the 3rd signal input part of computer 84, another Laser Measuring
The signal output part of fast instrument 28 connects the 4th signal input part of computer 84, and one of signal output part of computer 84 is even
Connect the signal input part of projector 81, another signal output part of computer 84 connects the signal input part of speech ciphering equipment 85；
Vibrating device include speed change axis mechanism, output shaft mechanism, first gear 62, second gear 63, the 3rd gear 64,
Four gears 65 and installation cylinder 66；Speed change axis mechanism includes base 90, motor 92, accumulator 93, switch 97, slideway 94, pull bar 98
With first axle 95；Output shaft mechanism includes eccentric vibrating piece 67 and the second axle 99；
The bottom surface of discus 27 is provided with installation cylinder 66, installs cylinder 66 and is arranged on the upper surface of sliding extension bar 25, slideway
94 are fixed in the inner chamber bottom surface installing cylinder 66, and base 90 is slidably mounted in slideway 94, and motor 92 and accumulator 93 are arranged on bottom
On seat 90, switch 97 is arranged on the lateral wall installing cylinder 66, and the power line of motor 92 passes through switch 97 and is connected to accumulator 93
On, the side wall installing cylinder 66 offers strip through hole 66-1, one end of pull bar 98 and base 90 Joint in the horizontal direction, draws
The other end of bar 98 stretches out the lateral wall installing cylinder 66 through strip through hole 66-1, and first axle 95 sets along base 90 glide direction
Put, first axle 95 is rotatably connected on base 90, and first axle 95 is connected with the outfan of motor 92, the second axle 99 and first axle 95
It is arranged in parallel, the second axle 99 is rotatably installed on the inner chamber bottom surface installing cylinder 66；Coaxially arranged is fixed with first axle 95
One gear 62 and second gear 63, the second axle 99 is fixed with the 3rd coaxially arranged gear 64 and the 4th gear 65, the first tooth
Wheel 62 and the 3rd gear 64 engage, and second gear 63 and the 4th gear 65 spacing are arranged, neighbouring 4th gear 65 of the second axle 99
One end eccentric vibrating piece 67 is installed.
The lifter of present embodiment can adjust the height of circular orbit, to adapt to the exercise of different height trainers.
Present embodiment is easy to improve the stability of discus power apparatus using upper flat plate and lower flat board.
The discus power apparatus of present embodiment can also include two binders 35, and two binders 35 are connected on discus,
Handss are bundled in discus for trainer by binder, make handss fully grasp discus.Present embodiment designs two grades of output speed ratios,
First gear rotating speed realized by first gear and the 3rd gear, and second gear rotating speed realized by second gear and the 4th gear.Two grades of rotating speeds can
Realize the vibration of the different frequency difference amplitude of eccentric vibrating piece.Speech ciphering equipment is loudspeaker or sound equipment.
The front upper place installing terminal pressure transducer 83 sold a little of circular orbit 12, discus 27 clashes into terminal pressure sensing
Impact force measured by device 83, is transferred to computer 84, and speech ciphering equipment 85 is reported to clashing into pressure prompting；Computer 84 receives grip pressure
Force transducer 80 data simultaneously obtains pressure value curve chart through analyzing and processing, is transferred to projector 81 and shows；Video camera 82 record fortune
Mobilize moving image and analyze and process to export movement locus image through computer 84 and show to projector 82.Laser velocimeter 28
The speed of action measured exports and stores to computer 84, and speech ciphering equipment prompting is reported.The software system that computer adopts is existing
Technology.
Specific embodiment two: illustrate with reference to Fig. 4, the second gear 63 of present embodiment and the gear ratio of the 4th gear 65
Gear ratio more than first gear 62 and the 3rd gear 64.It is arranged such, discus can vibrate at different frequencies, realize difference and shake
Reinforcing stimuluss throwing arm muscle group under width, improves explosive force.Other identical with specific embodiment one.
Specific embodiment three: illustrate with reference to Fig. 6, vibrating device described in present embodiment also include mounting rod 52 with some
Individual weight 53, each weight 53 offers through hole 53-1, and eccentric vibrating piece 67 is fan-shaped vibrating reed, along eccentric vibrating piece 67
The thickness direction at big end offers rectangular slot 67-1, and one end of mounting rod 52 is solid with the bottom surface phase of rectangular slot 67-1
Connect, the through hole 53-1 of each weight 53 is matched with mounting rod 52, the other end of mounting rod 52 is provided with screw thread and points to eccentric
The big end of vibrating reed 67, the first nut 55 is screwed in the other end of mounting rod 52.It is arranged such, multiple weights 53 realize discus
Oscillation Amplitude is adjustable, and the different output speed ratios of cooperation first gear and the 3rd gear or second gear and the 4th gear realize ferrum
The regulation of the many Oscillation Amplitudes of cake, stimulates throwing arm muscle group, raises more muscle fibers to carry out exercise for power.Other with concrete reality
Apply mode one or two identical.
Specific embodiment four: illustrate with reference to Fig. 5, present embodiment vibrating device also includes at least one fixing axle 68 He
Multiple axle sleeves 96, first axle 95 is rotatably connected on base 90 by multiple axle sleeves 96, and the second axle 99 passes through 96 turns of multiple axle sleeve
It is automatically connected on the inner chamber bottom surface installing cylinder 66, the bar segment positioned at circular orbit 12 inner side of sliding extension bar 25 is stretched along sliding
The length direction of contracting bar 25 is machined with multiple installing hole 25-1, and the bottom surface installing cylinder 66 is connected with least being vertically arranged admittedly
Dead axle 68, the outer end of fixing axle 68 is provided with screw thread, and the outer end of fixing axle 68 is passed through installing hole 25-1 and is connected with the second nut.As
This setting, installs cylinder and fixes and easy to use.Other identical with specific embodiment three.
Specific embodiment five: illustrate with reference to Fig. 9, each described lifter 13 of present embodiment include column 13-1,
Sleeve pipe 13-2 and jackscrew 13-3, column 13-1 are arranged in sleeve pipe 13-2 and the two is detachably connected by jackscrew 13-3, sleeve pipe
The lower surface of 13-2 is connected with upper flat plate 18.It is arranged such, circular orbit altitude mixture control is conveniently it is easy to control.Other and concrete
Embodiment one, two or four are identical.
Operation principle
When carrying out laser type discus apparatus vibration training and information storage monitoring exercise, player stands are being in stable ground
On face, and combine the discus being made up of circular orbit and lifter etc. through optimization design close to discus throw special strength feature
With power apparatus, grasp discus, carry out final force exercise, now, vibrating device is started working, the rotation of eccentric vibrating piece
Drive discus vibration, vibration directly stimulates throwing arm muscle group, improves explosive force, increase exercise difficulty, during exercise, promote
Pull bar realizes the regulation of two grades of rotating ratios to realize vibration under various amplitude for the discus；Terminal pressure sensor is hit by discus
Hit and measure impact force, voice message and information store, and pressure value is transferred to computer and analyzes and processes by grip pressure transducer
Obtain force value curve chart, be defeated by projector and show, camera record Athletess image exports to projector through computer
By movement locus Projection Display, laser velocimeter is the principle using laser ranging, be testee is had twice specific
The laser ranging of time interval, obtains the distance change of testee in this time interval, thus obtaining this testee
Translational speed, the discus movement velocity of a certain segmental arc distance on circular orbit is measured by two laser velocimeters, root
The time of the reflected signal respectively discus being received according to two laser velocimeters, make time difference, segmental arc arc length is divided by this time
Difference is movement velocity in this segmental arc for the discus.Computer is processed to data and is stored.
Claims (5)
1. laser type discus apparatus vibration training and information storage supervising device, it includes discus power apparatus, and described discus is used
Power apparatus include circular orbit (12), sliding extension bar (25), gliding mass (24), two laser velocimeters (28), multiple lifters
And multiple elastic mounts consistent with lifter quantity (13)；Each described elastic mounts include upper flat plate (18), under
Flat board (20) and being located between upper flat plate (18) and lower flat board (20) and the spring (19) affixed with the two, circular orbit (12) inclines
Tiltedly arrange, the lower section of circular orbit (12) is provided with the multiple lifters (13) ringwise arranged, the top of each lifter (13)
End is connected with the lower surface of circular orbit (12), the lower end of each lifter (13) and the upper flat plate of corresponding elastic mounts
(18) connect；Gliding mass (24) is set in circular orbit (12) and the two is slidably connected, and gliding mass is equipped with sliding extension bar on (24)
(25), the end outside circular orbit (12) of sliding extension bar (25) is provided with limited block (25-2), circular orbit
(12) lower section is provided with two laser velocimeters (28), the transmitting light energy of two laser velocimeters (28) in a distance
Be aligned discus (27)；
It is characterized in that: it also includes information monitoring system and vibrating device；
Information monitoring system includes grip pressure transducer (80), projector (81), video camera (82), terminal pressure sensor
(83), computer (84), speech ciphering equipment (85) and analog/digital conversion circuit (86)；
Projector (81) and video camera (82) are arranged on the top of lifter (13) of high-end connection with circular orbit (12),
Grip pressure transducer (80) is arranged on the upper surface of discus (27), and terminal pressure sensor (83) is arranged on circular orbit
(12) discus on is sold in front of place；The signal output part of grip pressure transducer (80) and terminal pressure sensor (83) is respectively
Connect the first signal input part of computer (84) by analog/digital conversion circuit (86), the signal output part of video camera (82) is even
Connect the secondary signal input of computer (84), the signal output part of one of laser velocimeter (28) connects computer (84)
The 3rd signal input part, the signal output part of another laser velocimeter (28) connects the 4th signal input of computer (84)
End, the one of signal output part of computer (84) connects the signal input part of projector (81), computer (84) another
Individual signal output part connects the signal input part of speech ciphering equipment (85)；
Vibrating device include speed change axis mechanism, output shaft mechanism, first gear (62), second gear (63), the 3rd gear (64),
4th gear (65) and installation cylinder (66)；Speed change axis mechanism include base (90), motor (92), accumulator (93), switch (97),
Slideway (94), pull bar (98) and first axle (95)；Output shaft mechanism includes eccentric vibrating piece (67) and the second axle (99)；
The bottom surface of discus (27) is provided with installation cylinder (66), installs cylinder (66) and is arranged on the upper surface of sliding extension bar (25),
Slideway (94) is fixed in the inner chamber bottom surface installing cylinder (66), and base (90) is slidably mounted in slideway (94), motor (92) with store
Battery (93) is arranged on base (90), and switch (97) is arranged on the lateral wall installing cylinder (66), the power line of motor (92)
It is connected in accumulator (93) by switching (97), the side wall installing cylinder (66) offers strip through hole (66- in the horizontal direction
1), one end of pull bar (98) and base (90) Joint, the other end of pull bar (98) stretches out peace through strip through hole (66-1)
The lateral wall of dress cylinder (66), first axle (95) is arranged along base (90) glide direction, and first axle (95) is rotatably connected on base
(90) on, first axle (95) is connected with the outfan of motor (92), and the second axle (99) is be arranged in parallel with first axle (95), the second axle
(99) it is rotatably installed on the inner chamber bottom surface installing cylinder (66)；Coaxially arranged first gear (62) is fixed with first axle (95)
With second gear (63), the second axle (99) is fixed with the 3rd coaxially arranged gear (64) and the 4th gear (65), the first tooth
Wheel (62) and the 3rd gear (64) engage, and second gear (63) and the 4th gear (65) spacing are arranged, the second axle (99) neighbouring
One end of 4th gear (65) is provided with eccentric vibrating piece (67).
2. laser type discus apparatus vibration training according to claim 1 and information storage supervising device it is characterised in that:
The gear ratio of second gear (63) and the 4th gear (65) is more than the gear ratio of first gear (62) and the 3rd gear (64).
3. laser type discus apparatus vibration training according to claim 1 and 2 and information storage supervising device, its feature exists
In: described vibrating device also includes mounting rod (52) and several weights (53), and each weight (53) offers through hole
(53-1), eccentric vibrating piece (67) is fan-shaped vibrating reed, and the thickness direction along the big end of eccentric vibrating piece (67) offers rectangle
Groove (67-1), the bottom surface Joint of one end of mounting rod (52) and rectangular slot (67-1), each weight (53) logical
Matched with mounting rod (52) in hole (53-1), the other end of mounting rod (52) is provided with screw thread and points to the big of eccentric vibrating piece (67)
End, the first nut (55) is screwed in the other end of mounting rod (52).
4. laser type discus apparatus vibration training according to claim 3 and information storage supervising device it is characterised in that:
Vibrating device also includes at least one fixing axle (68) and multiple axle sleeve (96), and first axle (95) is passed through multiple axle sleeves (96) and rotated
It is connected on base (90), the second axle (99) is rotatably connected on by multiple axle sleeves (96) on the inner chamber bottom surface installing cylinder (66),
Being machined with along the length direction of sliding extension bar (25) in the bar segment inside circular orbit (12) of sliding extension bar (25)
Multiple installing holes (25-1), the bottom surface installing cylinder (66) is connected with least one fixing axle (68) being vertically arranged, fixing axle
(68) outer end is provided with screw thread, and the outer end of fixing axle (68) is passed through installing hole (25-1) and is connected with the second nut.
5. the laser type discus apparatus vibration training according to claim 1,2 or 4 and information storage supervising device, its feature
It is: each described lifter (13) includes column (13-1), sleeve pipe (13-2) and jackscrew (13-3), and column (13-1) is arranged on
Sleeve pipe (13-2) is interior and the two is detachably connected by jackscrew (13-3), and the lower surface of sleeve pipe (13-2) is with upper flat plate (18) even
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840793.8A CN104548541B (en) | 2014-12-30 | 2014-12-30 | Laser type discus instrument vibration training and information storing and monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840793.8A CN104548541B (en) | 2014-12-30 | 2014-12-30 | Laser type discus instrument vibration training and information storing and monitoring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104548541A CN104548541A (en) | 2015-04-29 |
| CN104548541B true CN104548541B (en) | 2017-01-25 |
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| CN201410840793.8A Expired - Fee Related CN104548541B (en) | 2014-12-30 | 2014-12-30 | Laser type discus instrument vibration training and information storing and monitoring device |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6224452B1 (en) * | 1998-09-14 | 2001-05-01 | Stewart H. Morse | Radio controlled aerial disc |
| CN100493654C (en) * | 2007-06-22 | 2009-06-03 | 河北师范大学 | Discus used for testing athlete kinetics information |
| CN103751999B (en) * | 2013-12-30 | 2015-11-18 | 哈尔滨师范大学 | The superfine long discus force at the core training of laser type and movable information feedback supervising device |
| CN103657043B (en) * | 2013-12-30 | 2015-10-28 | 哈尔滨师范大学 | Superfine long discus force at the core training and movable information feedback supervising device |
| CN103638667B (en) * | 2013-12-30 | 2016-05-04 | 牡丹江师范学院 | Laser type discus core stable strength building and movable information feedback supervising device |
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