CN103638664B - A kind of Laser-type javelin core stable strength building and information feedback supervising device - Google Patents
A kind of Laser-type javelin core stable strength building and information feedback supervising device Download PDFInfo
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- CN103638664B CN103638664B CN201310743469.XA CN201310743469A CN103638664B CN 103638664 B CN103638664 B CN 103638664B CN 201310743469 A CN201310743469 A CN 201310743469A CN 103638664 B CN103638664 B CN 103638664B
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- RZSCFTDHFNHMOR-UHFFFAOYSA-N n-(2,4-difluorophenyl)-2-[3-(trifluoromethyl)phenoxy]pyridine-3-carboxamide;1,1-dimethyl-3-(4-propan-2-ylphenyl)urea Chemical group CC(C)C1=CC=C(NC(=O)N(C)C)C=C1.FC1=CC(F)=CC=C1NC(=O)C1=CC=CN=C1OC1=CC=CC(C(F)(F)F)=C1 RZSCFTDHFNHMOR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000012549 training Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000001133 acceleration Effects 0.000 claims description 18
- 230000003750 conditioning effect Effects 0.000 claims description 17
- 230000008093 supporting effect Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000011002 quantification Methods 0.000 abstract description 3
- 238000012806 monitoring device Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 210000001624 hip Anatomy 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000004394 hip joint Anatomy 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 210000004197 pelvis Anatomy 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 210000003414 extremity Anatomy 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
A kind of Laser-type javelin core stable strength building and information feedback supervising device, it relates to a kind of javelin training and information feedback supervising device, is specifically related to a kind of Laser-type javelin core stable strength building and information feedback supervising device.The present invention is to solve and there is presently no core stable strength building and the problem of quantification monitoring device combining javelin final force.The present invention includes lifting assembly, graduated disc, rotary shaft, slide rail, sliding sleeve, connector, javelin, pressure transducer, laser velocimeter and the balance training mechanism with information feedback function, described lifting assembly is arranged in the described balance training mechanism with information feedback function, graduated disc is arranged on the upper end of described lifting assembly by rotary shaft, slide rail is installed on the rotating shaft, sliding sleeve is sleeved on slide rail, javelin is connected with sliding sleeve by connector, pressure transducer is arranged on javelin, and laser velocimeter is fixedly mounted on the front end of slide rail.The present invention stablizes strength building for javelin.
Description
Technical field
The present invention relates to a kind of javelin training and information feedback supervising device, be specifically related to a kind of Laser-type javelin core stable
Strength building and information feedback supervising device.
Background technology
The core position of human body is the entirety formed by waist, pelvis, hip joint, is the intermediate link of human body.Core is steady
Qualitative the having an effect of limb muscle that stabilize to making human body pass through core position at the volley sets up fulcrum, for the biography of upper and lower extremities strength
Pass and create conditions, for the stable and mobile body gesture providing strength of center of gravity.Constitute or the strength of raising core stability is
Force at the core.Unlike force at the core training and traditional waist abdomen strength building maximum, in the case of force at the core training is a lot
Carry out under instability condition, more small muscle group the most periarticular auxiliary flesh can be made to participate in motion, training
Foster athlete stablizes joint at the volley and controls the ability of center of gravity, and the posture of core muscles training is by the action appearance of regulation game
Gesture determines.Modern high level specific strength training is to use the strengthening exercise means close to special action, utilizes Athletes
Player motion technical process is monitored by information, but, in conjunction with core stable strength building and the letter of javelin final force
Breath feedback supervising device, does not the most occur.
Summary of the invention
The present invention solves and there is presently no core stable strength building and the information feedback monitoring dress combining javelin final force
The problem put, and then a kind of Laser-type javelin core stable strength building and information feedback supervising device are proposed.
The present invention solves that the problems referred to above adopt the technical scheme that: the present invention include lifting assembly, graduated disc, rotary shaft,
Slide rail, sliding sleeve, connector, javelin, pressure transducer, laser velocimeter and the balance exercise machine with information feedback function
Structure, described lifting assembly is arranged in the described balance training mechanism with information feedback function, and graduated disc is pacified by rotary shaft
Being contained in the upper end of described lifting assembly, slide rail is installed on the rotating shaft, and slide rail can rotate with rotary shaft for axis, sliding sleeve set
Being contained on slide rail, javelin is connected with sliding sleeve by connector, and pressure transducer is arranged on javelin, the fixing peace of laser velocimeter
It is contained in the front end of slide rail.
The invention has the beneficial effects as follows: when the present invention uses, athlete is to overcome labile state and keep correct firmly appearance
Gesture, is needed to be coordinated by waist, pelvis, hip joint and lower limb to transfer and raises the meat fiber participation activating more core position
Stablizing having an effect of balance and action, the speed of laser velocimeter test exercise, pressure transducer show speed song firmly
Line, the most effectively monitors whole motor technique process, and the present invention is effective Laser-type javelin core stable strength building
And information feedback device.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention, and Fig. 2 is the top view of the balance training mechanism with information feedback function,
Fig. 3 is the upward view of Fig. 2, and Fig. 4 is that in Fig. 5, B-B is to sectional view, and Fig. 5 is with information in detailed description of the invention five
The top view of the balance training mechanism of feedback function, Fig. 6 is the upward view of Fig. 5, and Fig. 7 is putting down with information feedback function
Weighing apparatus training institution control principle drawing, Fig. 8 is when the signal of acceleration transducer output is voltage signal, Monitoring and Controlling circuit
A kind of principle schematic.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1 and present embodiment is described, described in present embodiment, a kind of Laser-type javelin core is steady
Determine strength building and information feedback supervising device includes lifting assembly, graduated disc 1, rotary shaft 2, slide rail 3, sliding sleeve 4, connects
Fitting 5, javelin 6, pressure transducer 21, laser velocimeter 22 and the balance training mechanism with information feedback function,
Described lifting assembly is arranged in the described balance training mechanism with information feedback function, and graduated disc 1 is by rotary shaft 2
Being arranged on the upper end of described lifting assembly, slide rail 3 is arranged in rotary shaft 2, and slide rail 3 can revolve with rotary shaft 2 for axis
Turning, sliding sleeve 4 is sleeved on slide rail 3, and javelin 6 is connected with sliding sleeve 4 by connector 5, and pressure transducer 21 is arranged on
On javelin 6, laser velocimeter 22 is fixedly mounted on the front end of slide rail 3.
Pressure transducer 21 grip of hand in time measuring athlete's final force in present embodiment, and convert it into
Quantitative information shows.The shifting of javelin 6 in time measuring athlete's final force of the laser velocimeter 22 of present embodiment
Dynamic speed, and quantified to show.
Detailed description of the invention two: combine Fig. 1 and present embodiment is described, described in present embodiment, a kind of Laser-type javelin core is steady
The lifting assembly determining strength building and information feedback supervising device includes cylindrical sleeves 7, elevating lever 8 and bolt 9, circle
Column sleeve cylinder 7 is vertically arranged, and the lower end of elevating lever 8 is inserted in the upper end of cylindrical sleeves 7, the upper end of elevating lever 8 and rotation
Axle 2 connects, and bolt 9 is inserted on the lateral wall of cylindrical sleeves 7, and the positioning end of bolt 9 is through cylindrical sleeve
The cylinder lateral wall of 7 contacts with the lateral wall of elevating lever 8.Other composition and annexation are identical with detailed description of the invention one.
Detailed description of the invention three: combine Fig. 1 and present embodiment is described, described in present embodiment, a kind of Laser-type javelin core is steady
The lower end of the cylindrical sleeves 7 determining strength building and information feedback supervising device is provided with vibrator 10, vibrator 10 and described band
The signal output part having the balance training mechanism of information feedback function connects.Other composition and annexation and detailed description of the invention
One or two is identical.
Detailed description of the invention four: combine Fig. 1, Fig. 2, Fig. 3, Fig. 6 and Fig. 7 and present embodiment, present embodiment are described
Described a kind of Laser-type javelin core stable strength building and the balance with information feedback function of information feedback supervising device
Training institution includes training station and controller 19, and described training station includes framework type base, balancer 17, acceleration sensing
Device 18 and four supporting mechanisms；Described framework type base is made up of two pairs of elongate steel plate 12 and four spikes 11, institute
State two pairs of rectangular frame structures of elongate steel plate 12, four angles of described rectangular frame structure be provided with one separately below
Individual spike 11, the outside at four angles of described rectangular frame structure is provided with a supporting mechanism；Each supporting mechanism
Being made up of a U-shaped spring support 14 and a spring, a sidewall of described U-shaped spring bracing is solid with rectangular frame
Fixed connection, the inner side of another sidewall 15 of described U-shaped spring bracing is fixing with one end of spring 16 to be connected；Balance
The shape of platform 17 is identical with the shape of rectangular frame structure, and the outside at each angle of balancer 17 is respectively provided with a fixed block 13,
Four fixed blocks 13 of described balancer 17 are fixing with the other end of the spring 16 of four supporting mechanisms respectively to be connected so that
Balancer 17 is suspended in the surface of framework type base；Acceleration transducer 18 is fixed on the centre bit of balancer 17 bottom surface
Put；Controller 19 includes signal conditioning circuit 92 and voltage driven displays 93, the signal output of acceleration transducer 18
End connects the signal input part of signal conditioning circuit 92, and the signal output part of signal conditioning circuit 92 connects voltage and drives display
The signal input part of device 93；The center of the spring 16 being positioned at two supporting mechanisms at balancer 17 diagonal angle connects with corresponding
Balancer 17 diagonal overlaps.Other composition and annexation are identical with detailed description of the invention three.
Detailed description of the invention five: combine Fig. 1, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 and present embodiment, present embodiment are described
Described a kind of Laser-type javelin core stable strength building and the balance with information feedback function of information feedback supervising device
Training institution includes training station and controller 19, and described training station includes framework type base, balancer 17, acceleration sensing
Device 18 and four pairs of supporting mechanisms；Described framework type base is made up of two pairs of channel-section steels and four spikes 11, described two pairs of channel-section steels
Composition rectangular frame structure, four angles of described rectangular frame structure be provided with spike, every channel-section steel separately below
Two ends be provided with a U-shaped spring bracing 14, and be positioned at two U-shaped spring supportings at same channel-section steel two ends
The opening of frame is then oppositely arranged, and the downside of each U-shaped spring bracing upper beam is respectively and fixedly provided with a spring 16；Balance
The shape of platform is identical with the shape of rectangular frame structure, and the both sides at each right angle of balancer are respectively provided with a fixed block 13,
Said two fixed block 13 is arranged in a mutually vertical manner, and the bottom of each spring 16 is all fixing with a fixed block 13 to be connected, and makes
Obtain balancer 17 to be suspended in above framework type base；Acceleration transducer 18 is fixed on the centre bit of balancer 17 bottom surface
Put；Controller 19 includes signal conditioning circuit 92 and voltage driven displays 93, the signal output of acceleration transducer 18
End connects the signal input part of signal conditioning circuit 92, and the signal output part of signal conditioning circuit 92 connects voltage and drives display
The signal input part of device 93.
Detailed description of the invention six: combine Fig. 1, Fig. 6 and Fig. 7 and present embodiment is described, a kind of laser described in present embodiment
The signal of acceleration transducer 18 output of formula javelin core stability strength building and information feedback supervising device is voltage letter
Number.Other composition and annexation are identical with detailed description of the invention four or five.
Detailed description of the invention seven: combine Fig. 1, Fig. 6 or Fig. 7 and present embodiment is described, a kind of laser described in present embodiment
The frequency of the acceleration transducer 18 of formula javelin core stability strength building and information feedback supervising device is 0.5-5Hz.Other
Composition and annexation are identical with detailed description of the invention four or five.
Detailed description of the invention eight: combine Fig. 1, Fig. 6 or Fig. 7 and present embodiment is described, a kind of laser described in present embodiment
The controller 19 of formula javelin core stability strength building and information feedback supervising device also includes zeroing circuit 91, described zeroing
The signal output part of circuit 91 connects the zeroed signal input of signal conditioning circuit 92.Other composition and annexation and tool
Body embodiment four or five is identical.
Detailed description of the invention nine: combine Fig. 1, Fig. 6 or Fig. 7 and present embodiment is described, a kind of laser described in present embodiment
The controller 19 of formula javelin core stability strength building and information feedback supervising device also includes a/d converter 95 and drives with communicating
Galvanic electricity road 94, the input end of analog signal of a/d converter 95 connects the signal output part of signal conditioning circuit 95, this AD
The digital signal output end of transducer 95 connects the signal input part of communication drive circuit 94.Other composition and annexation with
Detailed description of the invention four or identical.
Detailed description of the invention ten: combine Fig. 1, Fig. 6 or Fig. 7 and present embodiment is described, a kind of laser described in present embodiment
The communication drive circuit 94 of formula javelin core stability strength building and information feedback supervising device is wire communication circuit or wireless
Telecommunication circuit.Other composition and annexation are identical with detailed description of the invention nine.
Operation principle
When carrying out Laser-type javelin core stable strength building and information feedback monitoring exercise, player stands is being in unstable shape
In the balance training mechanism with information feedback function under state, and combine through optimizing the special close to javelin specific strength of design
The vibrator 10 of point, grasps javelin 6, carries out final force training, and laser velocimeter tests the speed of exercise, now
Balance training mechanism starts working with the device of information feedback function, measures balanced controls amplitude of fluctuation all around, enters
The quantification treatment of row information, and being converted into the signal of telecommunication accordingly, be connected generation with vibrator 10 interactive (along with athlete balances energy
The raising of power, balanced controls tend to be steady when athlete practises, and now balanced controls send signal of telecommunication Vibration on Start-up device 10,
Make vibrator 10 produce to swing, to increase new exercise difficulty).The athletic steady statue of balance training mechanism quantification monitoring,
Pressure transducer shows rate curve firmly, and then the most effectively monitors whole motor technique process.
Claims (7)
1. a Laser-type javelin core stable strength building and information feedback supervising device, it is characterised in that: described one swashs
Light formula javelin core stability strength building and information feedback supervising device include lifting assembly, graduated disc (1), rotary shaft (2),
Slide rail (3), sliding sleeve (4), connector (5), javelin (6), pressure transducer (21), laser velocimeter (22), instruction
Practice platform, controller (19) and the balance training mechanism with information feedback function, described training station include framework type base,
Balancer (17), acceleration transducer (18) and four supporting mechanisms, described lifting assembly is arranged on described anti-with information
In the balance training mechanism of feedback function, graduated disc (1) is arranged on the upper end of described lifting assembly by rotary shaft (2), sliding
Rail (3) is arranged in rotary shaft (2), and slide rail (3) can be that axis rotates with rotary shaft (2), and sliding sleeve (4) is set with
On slide rail (3), javelin (6) is connected with sliding sleeve (4) by connector (5), and pressure transducer (21) is arranged on
On javelin (6), laser velocimeter (22) is fixedly mounted on the front end of slide rail (3), and described lifting assembly includes cylindrical sleeve
Cylinder (7), elevating lever (8) and bolt (9), cylindrical sleeves (7) is vertically arranged, the lower end plug-in mounting of elevating lever (8)
In the upper end of cylindrical sleeves (7), the upper end of elevating lever (8) is connected with rotary shaft (2), bolt (9) plug-in mounting
On the lateral wall of cylindrical sleeves (7), and the positioning end of bolt (9) passes lateral wall and the liter of cylindrical sleeves (7)
The lateral wall contact of fall bar (8), the lower end of cylindrical sleeves (7) is provided with vibrator (10), vibrator (10) and described band
The signal output part having the balance training mechanism of information feedback function connects；Described framework type base is by two pairs of elongate steel plate
(12) and four spike (11) compositions, described two pairs of rectangular frame structures of elongate steel plate (12), described rectangle
Four angles of frame structure be provided with spike (11), the outside at four angles of described rectangular frame structure separately below
It is provided with a supporting mechanism；Each supporting mechanism is made up of a U-shaped spring bracing (14) and a spring, institute
State that a sidewall of U-shaped spring bracing is fixing with rectangular frame to be connected, another of described U-shaped spring bracing (14)
The inner side of sidewall (15) is fixing with one end of spring (16) to be connected；The shape of balancer (17) and rectangular frame structure
Shape is identical, and the outside at balancer (17) each angle is respectively provided with a fixed block (13), four of described balancer (17)
Fixed block (13) is fixing with the other end of the spring (16) of four supporting mechanisms respectively to be connected so that balancer (17) hangs
Float over the surface of framework type base；Acceleration transducer (18) is fixed on the center of balancer (17) bottom surface；Control
Device processed (19) includes signal conditioning circuit (92) and A/D converter (93), and the signal of acceleration transducer (18) is defeated
Going out end and connect the signal input part of signal conditioning circuit (92), the signal output part of signal conditioning circuit (92) connects A/D
The signal input part of transducer (93)；It is positioned at the center of the spring (16) of two supporting mechanisms at balancer (17) diagonal angle
Connect and overlap with corresponding balancer (17) diagonal.
The most according to claim 1, a kind of Laser-type javelin core stable strength building and information feedback supervising device, it is special
Levy and be: described a kind of Laser-type javelin core stable strength building and information feedback supervising device include training station and controller
(19), described training station includes framework type base, balancer (17), acceleration transducer (18) and four pairs of supporting mechanisms；
Described framework type base is made up of two pairs of channel-section steels and four spikes (11), described two pairs of channel-section steels composition rectangular frame structure,
Four angles of described rectangular frame structure be provided with spike separately below, the two ends of every channel-section steel are provided with one
U-shaped spring bracing (14), and the opening being positioned at two U-shaped spring bracings at same channel-section steel two ends is then oppositely arranged,
The downside of each U-shaped spring bracing upper beam is respectively and fixedly provided with a spring (16)；The shape of balancer and rectangular frame
The shape of structure is identical, and the both sides at each right angle of balancer are respectively provided with a fixed block (13), said two fixed block (13)
Being arranged in a mutually vertical manner, the bottom of each spring (16) is all fixing with a fixed block (13) to be connected so that balancer (17)
It is suspended in above framework type base；Acceleration transducer (18) is fixed on the center of balancer (17) bottom surface；Control
Device processed (19) includes signal conditioning circuit (92) and A/D converter (93), and the signal of acceleration transducer (18) is defeated
Going out end and connect the signal input part of signal conditioning circuit (92), the signal output part of signal conditioning circuit (92) connects A/D
The signal input part of transducer (93).
The most according to claim 2, a kind of Laser-type javelin core stable strength building and information feedback supervising device, it is special
Levying and be: the signal that described acceleration transducer (18) exports is voltage signal, described controller (19) includes that signal is adjusted
Reason circuit (92), A/D converter (93) and single chip circuit (94), the signal output part of acceleration transducer (18)
Connecting the signal input part of signal conditioning circuit (92), the signal output part of signal conditioning circuit (92) connects A/D conversion
The input end of analog signal of device (93), the digital signal output end of this A/D converter (93) connects single chip circuit (94)
Signal input part, the display signal that the display signal output part of described single chip circuit (94) connects display (20) is defeated
Enter end.
The most according to claim 2, a kind of Laser-type javelin core stable strength building and information feedback supervising device, it is special
Levy and be: the frequency of described acceleration transducer (18) is 0.5-5Hz.
The most according to claim 2, a kind of Laser-type javelin core stable strength building and information feedback supervising device, it is special
Levying and be: described controller (19) also includes zeroing circuit (91), the signal output part of described zeroing circuit (91) connects
The zeroed signal input of signal conditioning circuit (92).
The most according to claim 2, a kind of Laser-type javelin core stable strength building and information feedback supervising device, it is special
Levy and be: described controller (19) also includes communication drive circuit (95) and monitoring module, single chip circuit (94)
Serial communication data port is connected with the serial data port of communication drive circuit (95), and described monitoring module is embedded in monolithic
In dynamo-electric road (94), described monitoring module also includes: video data is sent to the unit of communication drive circuit (95).
The most according to claim 6, a kind of Laser-type javelin core stable strength building and information feedback supervising device, it is special
Levy and be: described communication drive circuit (95) is wire communication circuit or radio communication circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743469.XA CN103638664B (en) | 2013-12-30 | 2013-12-30 | A kind of Laser-type javelin core stable strength building and information feedback supervising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743469.XA CN103638664B (en) | 2013-12-30 | 2013-12-30 | A kind of Laser-type javelin core stable strength building and information feedback supervising device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103638664A CN103638664A (en) | 2014-03-19 |
| CN103638664B true CN103638664B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310743469.XA Expired - Fee Related CN103638664B (en) | 2013-12-30 | 2013-12-30 | A kind of Laser-type javelin core stable strength building and information feedback supervising device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103691120B (en) * | 2013-12-30 | 2015-11-18 | 哈尔滨师范大学 | A kind of Laser-type javelin force at the core training and information feed back supervising device |
| CN104548542A (en) * | 2014-12-30 | 2015-04-29 | 哈尔滨师范大学 | Laser type javelin instrument vibration core strength training and information feedback device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4441320A1 (en) * | 1994-11-21 | 1996-05-23 | Multimetallbau Gmbh | Training and testing system for javelin or shot putting |
| CN2573022Y (en) * | 2002-09-26 | 2003-09-17 | 青岛海洋大学 | Linkage brake special javelin throwing training device |
| CN101782447A (en) * | 2010-02-11 | 2010-07-21 | 北方工业大学 | Javelin for training, method for measuring motion parameters of javelin and real-time monitoring device |
| CN201676489U (en) * | 2010-05-20 | 2010-12-22 | 哈尔滨师范大学 | Photoelectric extra-length special javelin strength training instrument |
| CN103691120A (en) * | 2013-12-30 | 2014-04-02 | 哈尔滨师范大学 | Laser-type javelin core strength training and information feedback monitoring device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060064916A1 (en) * | 2004-09-27 | 2006-03-30 | Robert Shiflett | Multi-purpose tool |
| JP4534213B2 (en) * | 2008-03-07 | 2010-09-01 | 株式会社ニシ・スポーツ | For athletics |
-
2013
- 2013-12-30 CN CN201310743469.XA patent/CN103638664B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4441320A1 (en) * | 1994-11-21 | 1996-05-23 | Multimetallbau Gmbh | Training and testing system for javelin or shot putting |
| CN2573022Y (en) * | 2002-09-26 | 2003-09-17 | 青岛海洋大学 | Linkage brake special javelin throwing training device |
| CN101782447A (en) * | 2010-02-11 | 2010-07-21 | 北方工业大学 | Javelin for training, method for measuring motion parameters of javelin and real-time monitoring device |
| CN201676489U (en) * | 2010-05-20 | 2010-12-22 | 哈尔滨师范大学 | Photoelectric extra-length special javelin strength training instrument |
| CN103691120A (en) * | 2013-12-30 | 2014-04-02 | 哈尔滨师范大学 | Laser-type javelin core strength training and information feedback monitoring device |
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| CN103638664A (en) | 2014-03-19 |
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