CN201676486U - Photoelectric special javelin strength training instrument - Google Patents
Photoelectric special javelin strength training instrument Download PDFInfo
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- CN201676486U CN201676486U CN2010201971109U CN201020197110U CN201676486U CN 201676486 U CN201676486 U CN 201676486U CN 2010201971109 U CN2010201971109 U CN 2010201971109U CN 201020197110 U CN201020197110 U CN 201020197110U CN 201676486 U CN201676486 U CN 201676486U
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- reinforcing bar
- javelin
- slide plate
- fixed
- sliding sleeve
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Abstract
A photoelectric special javelin strength training instrument relates to a special javelin training auxiliary instrument and aims to solve the problem that the special javelin strength training drives the arm through chest and the forearm exerts the strength in lagging manner; finally the strength angle is uncertain and the launching speed is difficult to be monitored effectively and timely. A sliding plate is sliding fit with a bottom plate, a front fixed plate is connected with the sliding plate by a tensile elastic body, a fixed sleeve on the sliding plate is connected with a support column, a sliding sleeve is nested on the support column, a steel bar penetrates through a steel bar jacket and a counterweight sleeve to be connected with the sliding sleeve, a traction belt wheel is fixedly mounted on a driven shaft, a traction belt is fixedly connected with the sliding plate and is wound on the traction belt wheel, a driver motor is in transmission connection with the driven shaft, a first contact switch is fixedly mounted on the front fixed plate and the sliding plate, a second contact switch is fixedly mounted on a rear fixed plate and the sliding plate, a control switch is fixedly mounted on the sliding plate and is connected with a support base hinged with a training javelin, and a steel bar jacket; a photoelectric speed sensor is fixedly mounted on a support plate fixedly connected with the front sliding sleeve. The photoelectric special javelin strength training device is applicable to special javelin strength training.
Description
Technical field
The utility model relates to a kind of javelin specialized training assistive device.
Background technology
At present, javelin specific strength exercise except the straight-arm of lying on the back of barbell draws, the swing triceps press exercise, the main employing waved sheet, draws rubber band, thrown exercise means such as weight.And adopt above-mentioned exercise means to have following problem: promptly the key technology to javelin lags behind firmly with pectoral girdle arm, forearm; The angle of final force is unfixing, and release speed is difficult to monitor effectively immediately, and training effect is not good enough.
The utility model content
The purpose of this utility model provides a kind of photo-electric javelin specific strength exercising machine, adopts existing exercise means to exist the key technology to javelin to lag behind firmly with pectoral girdle arm, forearm to solve the exercise of javelin specific strength; The angle of final force is unfixing, and release speed is difficult to monitor effectively immediately, the problem that training effect is not good enough.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: photo-electric javelin specific strength exercising machine of the present utility model comprises base plate, slide plate, stretchable elastomer, front shoe, two fixed bodies, two fixed covers, two sliding sleeves, reinforcing bar, two support columns, drive motors, transmission mechanism, traction belt, the traction belt wheel, support, driven shaft, at least two first jackscrews, first contact switch, second contact switch, gauge tap, rear fixed plate, connection handle, bearing pin, the reinforcing bar overcoat, with the exercise hinged bearing of javelin, second jackscrew, light electricity velocity sensor, gripper shoe, counterweight cover and at least one extension spring; Two sliding sleeves are respectively preceding sliding sleeve and back sliding sleeve, and two support columns are respectively preceding support column and back support column; Base plate and ground are affixed, be disposed with front shoe and slide plate from A-P on the base plate, front shoe and base plate are affixed, slide plate and base plate are slidingly matched, respectively be fixed with a fixed body on front shoe and the slide plate, connect by stretchable elastomer between two fixed bodies, the back that is arranged on the fixed body on the slide plate is disposed with two fixed covers from A-P, two fixed covers are packed on the slide plate, support is arranged on the rear side of base plate, support and ground are affixed, before the lower end of support column be contained in of being positioned at the front in two fixed covers and removably connect with it, the lower end of back support column is contained in of being positioned at the back in two fixed covers and removably connects with it, be set with preceding sliding sleeve on the preceding support column, be set with the back sliding sleeve on the back support column, before between support column and the preceding sliding sleeve and the back support column with after respectively be connected by at least one first jackscrew respectively between the sliding sleeve, reinforcing bar is provided with cross section and is circular projection, reinforcing bar overcoat and counterweight cover all are sleeved on the reinforcing bar, the cross section that the reinforcing bar overcoat is positioned at reinforcing bar is slidingly matched for circular prominence and the two, counterweight is set on front end and the two connection of reinforcing bar overcoat, the counterweight cover is slidingly matched with reinforcing bar, be connected by second jackscrew between reinforcing bar overcoat and the reinforcing bar, be connected by at least one extension spring between the front end of reinforcing bar and the preceding sliding sleeve, be fixed with connection handle on the front side wall of back sliding sleeve, the rear end of reinforcing bar is hinged with the connection handle of back sliding sleeve by bearing pin, the downward-sloping setting in the rear end of reinforcing bar, the angle of reinforcing bar and horizontal plane is 35 ° ± 3 °, the front end of gripper shoe and the rear wall of preceding sliding sleeve are affixed, be fixed with light electricity velocity sensor near on the end face of reinforcing bar one side on the gripper shoe, with the lower end of practising being positioned at the reinforcing bar overcoat with the hinged bearing of javelin, and should be connected with the reinforcing bar overcoat with the hinged bearing of javelin with exercise, the two ends of driven shaft respectively are rotationally connected by a bearing and support, be fixed with a traction belt wheel on the driven shaft, one end of traction belt and the rear end of slide plate are affixed, the other end of traction belt is wrapped on the traction belt wheel, be in transmission connection by transmission mechanism between the output shaft of drive motors and the driven shaft, two first contacts of first contact switch are oppositely arranged, and on the rear end face of front shoe and respectively be fixed with one first contact of first contact switch on the front end face of slide plate, gauge tap is packed on the slide plate, the rear end of slide plate is provided with breach, rear fixed plate is packed on the base plate and is positioned at the indentation, there of slide plate, two second contacts of second contact switch are oppositely arranged, one second contact of second contact switch is packed on the front end face of rear fixed plate, another second contact of second contact switch is packed on the slide plate, and is positioned on the corresponding end face of rear fixed plate.
The beneficial effects of the utility model are: the utility model is according to correlation theories such as sport biomechanics and athletic physiologies, and, make the practitioner when the javelin specific strength is practised, can lag behind firmly and can have an effect with pectoral girdle arm, forearm by correct firmly track, angle of trajectory in conjunction with the characteristics that the javelin specific strength is practised.Simultaneously, the practitioner can also simulate the speed of delivery stride, the braking of delivery stride connects final force, make the exercise of javelin specific strength near complete javelin strengthening exercise, release speed comes out by the light electricity velocity sensor instant playback, make training reach quantification monitoring, javelin training technique level is very helpful for improving.
Description of drawings
Fig. 1 is main TV structure figure of the present utility model, and Fig. 2 is the A-A cutaway view of Fig. 1, and Fig. 3 is the B portion enlarged drawing of Fig. 1, Fig. 4 vertical view that to be back sliding sleeve 32 be assembled together with protractor 37 and connection handle 35.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1-Fig. 4 present embodiment is described, the exercising machine of present embodiment comprises base plate 2, slide plate 3, stretchable elastomer 4, front shoe 5, two fixed bodies 6, two fixed covers 7, two sliding sleeves, reinforcing bar 9, two support columns, drive motors 11, transmission mechanism 12, traction belt 13, traction belt wheel 14, support 15, driven shaft 16, at least two first jackscrews 17, first contact switch, second contact switch, gauge tap 27, rear fixed plate 30, connection handle 35, bearing pin 36, reinforcing bar overcoat 22, with exercise with the hinged bearing 40 of javelin 1, second jackscrew 24, light electricity velocity sensor 53, gripper shoe 54, counterweight cover 60 and at least one extension spring 34; Two sliding sleeves are respectively that preceding sliding sleeve 31 and 32, two support columns of back sliding sleeve are respectively preceding support column 50 and back support column 51; Base plate 2 is affixed with ground, be disposed with front shoe 5 and slide plate 3 from A-P on the base plate 2, front shoe 5 is affixed with base plate 2, slide plate 3 is slidingly matched with base plate 2, respectively be fixed with a fixed body 6 on front shoe 5 and the slide plate 3, connect by stretchable elastomer 4 between two fixed bodies 6, the back that is arranged on the fixed body 6 on the slide plate 3 is disposed with two fixed covers 7 from A-P, two fixed covers 7 are packed on the slide plate 3, support 15 is arranged on the rear side of base plate 2, support 15 is affixed with ground, before the lower end of support column 50 be contained in of being positioned at the front in two fixed covers 7 and removably connect with it, the lower end of back support column 51 is contained in of being positioned at the back in two fixed covers 7 and removably connects with it, sliding sleeve 31 before being set with on the preceding support column 50, be set with back sliding sleeve 32 on the back support column 51, before between support column 50 and the preceding sliding sleeve 31 and back support column 51 with after respectively be connected by at least one first jackscrew 17 respectively between the sliding sleeve 32, reinforcing bar 9 is provided with cross section and is circular projection 33, reinforcing bar overcoat 22 and counterweight cover 60 all is sleeved on the reinforcing bar 9, and (present embodiment adopts and is threaded the cross section that reinforcing bar overcoat 22 is arranged in reinforcing bar 9 for circular projection 33 places and the two are slidingly matched.Increase the weight of counterweight cover, can strengthen exercise to the javelin specific strength), counterweight cover 60 is arranged on front end and the two connection of reinforcing bar overcoat 22, counterweight cover 60 is slidingly matched with reinforcing bar 9, be connected (by screwing second jackscrew 24 by second jackscrew 24 between reinforcing bar overcoat 22 and the reinforcing bar 9, produce certain resistance between reinforcing bar overcoat 22 and the reinforcing bar 9, make the position relative fixed of throwing arm hand, when avoiding final force, bending forearm earlier has an effect), be connected by at least one extension spring 34 between the front end of reinforcing bar 9 and the preceding sliding sleeve 31, be fixed with connection handle 35 on the front side wall of back sliding sleeve 32, the rear end of reinforcing bar 9 is hinged with the connection handle 35 of back sliding sleeve 32 by bearing pin 36, the downward-sloping setting in the rear end of reinforcing bar 9, reinforcing bar 9 is 35 ° ± 3 ° with the angle α of horizontal plane, the rear wall of the front end of gripper shoe 54 and preceding sliding sleeve 31 is affixed, be fixed with light electricity velocity sensor 53 near on the end face of reinforcing bar 9 one sides on the gripper shoe 54, be positioned at the lower end of reinforcing bar overcoat 22 with the hinged bearing 40 of javelin 1 with exercise, and should be connected with reinforcing bar overcoat 22 with the hinged bearing 40 of javelin 1 with exercise, the two ends of driven shaft 16 respectively are rotationally connected by a bearing and support 15, be fixed with a traction belt wheel 14 on the driven shaft 16, one end of traction belt 13 and the rear end of slide plate 3 are affixed, the other end of traction belt 13 is wrapped on the traction belt wheel 14, be in transmission connection by transmission mechanism 12 between the output shaft of drive motors 11 and the driven shaft 16, two first contacts 18 of first contact switch are oppositely arranged, and on the rear end face of front shoe 5 and respectively be fixed with one first contact 18 of first contact switch on the front end face of slide plate 3, gauge tap 27 is packed on the slide plate 3, the rear end of slide plate 3 is provided with breach, rear fixed plate 30 is packed on the base plate 2 and is positioned at the indentation, there of slide plate 3, two second contacts 28 of second contact switch are oppositely arranged, one second contact 28 of second contact switch is packed on the front end face of rear fixed plate 30, another second contact 28 of second contact switch is packed on the slide plate 3, and is positioned on the rear fixed plate 30 corresponding end faces.Light electricity velocity sensor adopts prior art, is manufactured by KEYENCE company.
The specific embodiment two: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, the transmission mechanism 12 of present embodiment is made up of driving gear 19 and driven gear 20; Driving gear 19 is packed on the output shaft of drive motors 11, driving gear 19 and driven gear 20 engagements, and driven gear 20 is packed on the driven shaft 16.So be provided with, simple in structure, stable drive.Other is identical with embodiment one.
The specific embodiment three: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, the stretchable elastomer 4 of present embodiment is spring or rubber band.So be provided with, utilize the elasticity maintenance front shoe of spring or rubber band and the distance between the slide plate.Other is identical with embodiment one or two.
The specific embodiment four: in conjunction with Fig. 1 present embodiment is described, is connected by three extension springs 34 between the front end of the reinforcing bar 9 of present embodiment and the preceding sliding sleeve 31.So be provided with, the deviation that can guarantee the reinforcing bar angle of inclination is in scope of design.Other is identical with embodiment one, two or three.
The specific embodiment five: in conjunction with Fig. 1 and Fig. 2 present embodiment is described, present embodiment and the specific embodiment one, two, three or fours' difference is: the exercising machine of present embodiment also comprises four lacing wires 26; Before each side the removably connecting by lacing wire 26 and slide plate 3 respectively of support column 50, each side the removably connecting by a lacing wire 26 and slide plate 3 respectively of back support column 51.So be provided with, can play the back and front supporting post is strengthened fixing effect.
The specific embodiment six: in conjunction with Fig. 1 and Fig. 3 present embodiment is described, present embodiment and the specific embodiment one, two, three, four or fives' difference is: the exercising machine of present embodiment also comprises the protractor 37 that is used to measure the reinforcing bar angle of inclination; This protractor 37 that is used to measure the reinforcing bar angle of inclination is affixed with the front side wall of back sliding sleeve 32, and reinforcing bar 9 reclines mutually with the protractor 37 that this is used to measure the reinforcing bar angle of inclination.So be provided with, be convenient to the adjustment of reinforcing bar angle.
The specific embodiment seven: in conjunction with Fig. 1 present embodiment is described, present embodiment and the specific embodiment one, two, three, four, five or sixs' difference is: the exercising machine of present embodiment also comprises damper 47; Be connected with reinforcing bar overcoat 22 by damper 47 with the hinged bearing 40 of javelin 1 with exercise.So be provided with, can play the effect of damping.Damper 47 is a prior art, and model is selected as required.
The sportsman is when carrying out the javelin strengthening exercise, and the start-up control switch makes oppositely (counterclockwise) rotation of drive motors, and slide plate is to front slide, when two first contacts of first contact switch contact, drive motors quits work, and at this moment, stretchable elastomer recovers normal condition; The start-up control switch rotates drive motors forward (clockwise), and slide plate slides backward, and when two second contacts of second contact switch contacted, drive motors quit work, and this moment, stretchable elastomer was tending towards the maximum tension state.The practitioner can recycle the last braking of slip simulation delivery stride of slide plate when carrying out the javelin specific strength training, exercise throws a javelin on reinforcing bar (track); Also can pull down two support columns and do free-hand or, perhaps only utilize reinforcing bar (track) to carry out standing throw javelin action exercise without reinforcing bar (track) action exercise that throws a javelin.Release speed during training athlete comes out by the light electricity velocity sensor instant playback, is convenient to real-time monitoring.
Claims (7)
1. photo-electric javelin specific strength exercising machine, it is characterized in that: described exercising machine comprises base plate (2), slide plate (3), stretchable elastomer (4), front shoe (5), two fixed bodies (6), two fixed covers (7), two sliding sleeves, reinforcing bar (9), two support columns, drive motors (11), transmission mechanism (12), traction belt (13), traction belt wheel (14), support (15), driven shaft (16), at least two first jackscrews (17), first contact switch, second contact switch, gauge tap (27), rear fixed plate (30), connection handle (35), bearing pin (36), reinforcing bar overcoat (22), with the exercise hinged bearing (40) of javelin (1), second jackscrew (24), light electricity velocity sensor (53), gripper shoe (54), counterweight cover (60) and at least one extension spring (34); Two sliding sleeves are respectively preceding sliding sleeve (31) and back sliding sleeve (32), and two support columns are respectively preceding support column (50) and back support column (51); Base plate (2) is affixed with ground, base plate (2) is gone up and is disposed with front shoe (5) and slide plate (3) from A-P, front shoe (5) is affixed with base plate (2), slide plate (3) is slidingly matched with base plate (2), respectively be fixed with a fixed body (6) on front shoe (5) and the slide plate (3), connect by stretchable elastomer (4) between two fixed bodies (6), the back that is arranged on the fixed body (6) on the slide plate (3) is disposed with two fixed covers (7) from A-P, two fixed covers (7) are packed on the slide plate (3), support (15) is arranged on the rear side of base plate (2), support (15) is affixed with ground, before the lower end of support column (50) be contained in of being positioned at the front in two fixed covers (7) and removably connect with it, the lower end of back support column (51) is contained in of being positioned at the back in two fixed covers (7) and removably connects with it, be set with preceding sliding sleeve (31) on the preceding support column (50), be set with back sliding sleeve (32) on the back support column (51), before between support column (50) and the preceding sliding sleeve (31) and back support column (51) with after respectively be connected by at least one first jackscrew (17) respectively between the sliding sleeve (32), reinforcing bar (9) is provided with cross section and is circular projection (33), reinforcing bar overcoat (22) and counterweight cover (60) all are sleeved on the reinforcing bar (9), the cross section that reinforcing bar overcoat (22) is positioned at reinforcing bar (9) is that circular projection (33) is located and the two is slidingly matched, counterweight cover (60) is arranged on front end and the two connection of reinforcing bar overcoat (22), counterweight cover (60) is slidingly matched with reinforcing bar (9), be connected by second jackscrew (24) between reinforcing bar overcoat (22) and the reinforcing bar (9), be connected by at least one extension spring (34) between the front end of reinforcing bar (9) and the preceding sliding sleeve (31), be fixed with connection handle (35) on the front side wall of back sliding sleeve (32), the rear end of reinforcing bar (9) is hinged with the connection handle (35) of back sliding sleeve (32) by bearing pin (36), the downward-sloping setting in rear end of reinforcing bar (9), reinforcing bar (9) is 35 ° ± 3 ° with the angle (α) of horizontal plane, the rear wall of the front end of gripper shoe (54) and preceding sliding sleeve (31) is affixed, gripper shoe (54) goes up near on the end face of reinforcing bar (9) one sides and is fixed with light electricity velocity sensor (53), with the lower end of practising being positioned at reinforcing bar overcoat (22) with the hinged bearing (40) of javelin (1), and should be connected with reinforcing bar overcoat (22) with the hinged bearing (40) of javelin (1) with exercise, the two ends of driven shaft (16) respectively are rotationally connected by a bearing and support (15), be fixed with a traction belt wheel (14) on the driven shaft (16), the rear end of one end of traction belt (13) and slide plate (3) is affixed, the other end of traction belt (13) is wrapped on the traction belt wheel (14), be in transmission connection by transmission mechanism (12) between the output shaft of drive motors (11) and the driven shaft (16), two first contacts (18) of first contact switch are oppositely arranged, and respectively be fixed with one first contact (18) of first contact switch on the rear end face of front shoe (5) and on the front end face of slide plate (3), gauge tap (27) is packed on the slide plate (3), the rear end of slide plate (3) is provided with breach, rear fixed plate (30) is packed in the indentation, there that slide plate (3) were gone up and be positioned to base plate (2), two second contacts (28) of second contact switch are oppositely arranged, one second contact (28) of second contact switch is packed on the front end face of rear fixed plate (30), another second contact (28) of second contact switch is packed on the slide plate (3), and is positioned on the corresponding end face of rear fixed plate (30).
2. photo-electric javelin specific strength exercising machine according to claim 1 is characterized in that: transmission mechanism (12) is made up of driving gear (19) and driven gear (20); Driving gear (19) is packed on the output shaft of drive motors (11), driving gear (19) and driven gear (20) engagement, and driven gear (20) is packed on the driven shaft (16).
3. photo-electric javelin specific strength exercising machine according to claim 1 is characterized in that: stretchable elastomer (4) is spring or rubber band.
4. according to claim 1,2 or 3 described photo-electric javelin specific strength exercising machines, it is characterized in that: be connected by three extension springs (34) between the front end of reinforcing bar (9) and the preceding sliding sleeve (31).
5. photo-electric javelin specific strength exercising machine according to claim 1, it is characterized in that: described exercising machine also comprises four lacing wires (26); Before each side the removably connecting by a lacing wire (26) and slide plate (3) respectively of support column (50), each side the removably connecting by a lacing wire (26) and slide plate (3) respectively of back support column (51).
6. photo-electric javelin specific strength exercising machine according to claim 1 or 5, it is characterized in that: described exercising machine also comprises the protractor (37) that is used to measure the reinforcing bar angle of inclination; This protractor (37) that is used to measure the reinforcing bar angle of inclination is affixed with the front side wall of back sliding sleeve (32), and reinforcing bar (9) reclines mutually with the protractor (37) that this is used to measure the reinforcing bar angle of inclination.
7. photo-electric javelin specific strength exercising machine according to claim 1, it is characterized in that: described exercising machine also comprises damper (47); Be connected with reinforcing bar overcoat (22) by damper (47) with the hinged bearing (40) of javelin (1) with exercise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201971109U CN201676486U (en) | 2010-05-20 | 2010-05-20 | Photoelectric special javelin strength training instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201971109U CN201676486U (en) | 2010-05-20 | 2010-05-20 | Photoelectric special javelin strength training instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201676486U true CN201676486U (en) | 2010-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201971109U Expired - Fee Related CN201676486U (en) | 2010-05-20 | 2010-05-20 | Photoelectric special javelin strength training instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201676486U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218213A (en) * | 2011-07-01 | 2011-10-19 | 山东师范大学 | Final exertion auxiliary exerciser for javelin teaching |
| 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 |
| CN109999450A (en) * | 2019-05-13 | 2019-07-12 | 河北银箭体育用品股份有限公司 | Javelin throwing intelligent training device |
| CN110064184A (en) * | 2019-05-13 | 2019-07-30 | 河北银箭体育用品股份有限公司 | Javelin throwing intelligent training system |
-
2010
- 2010-05-20 CN CN2010201971109U patent/CN201676486U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218213A (en) * | 2011-07-01 | 2011-10-19 | 山东师范大学 | Final exertion auxiliary exerciser for javelin teaching |
| 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 |
| 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 |
| CN109999450A (en) * | 2019-05-13 | 2019-07-12 | 河北银箭体育用品股份有限公司 | Javelin throwing intelligent training device |
| CN110064184A (en) * | 2019-05-13 | 2019-07-30 | 河北银箭体育用品股份有限公司 | Javelin throwing intelligent training system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20110520 |