CN204193446U - The control device of javelin final force teaching - Google Patents
The control device of javelin final force teaching Download PDFInfo
- Publication number
- CN204193446U CN204193446U CN201420641373.2U CN201420641373U CN204193446U CN 204193446 U CN204193446 U CN 204193446U CN 201420641373 U CN201420641373 U CN 201420641373U CN 204193446 U CN204193446 U CN 204193446U
- Authority
- CN
- China
- Prior art keywords
- column
- javelin
- height
- cable wire
- final force
- 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.)
- Expired - Fee Related
Links
Abstract
The control device of javelin final force teaching of the present utility model, it is characterized in that: comprise the different A column of height fixing separately and B column, the height of A column is higher than B column certain size, be connected with javelin guiding cable wire between A column top and B column top, described javelin guiding cable wire is slidably installed along its length exercise javelin; A column and B column are provided with the height-angle regulator for regulating exercise javelin.Technical characterstic of the present utility model and advantage: the utility model can make student grasp final force in exercise process, and sell with suitable angle, good muscular exertion sensation can be set up by exercise repeatedly, and then form firm dynamic stereotype, break outmoded imitation and can only practice bare-handed and be not easy to grasp javelin run-up and final force engagement technique problem.
Description
Technical field
The present invention relates to the control device of a kind of javelin final force teaching, belong to technical field of sports apparatus.
Background technology
The man that javelin is International Track and Field Association, General Administration of Sport, the Ministry of Education of the state specify, Female adolescent and combined race project.The complete skill of javelin throw comprises: hold rifle, armed, run-up, final force and buffering four parts, wherein, final force is the most important technology part that throws a javelin, it decide javelin sell moment speed, angle of trajectory and the state of aloft flying, but lack javelin Special training device tool in current school instruction and training process, practitioner to sell the object of reference that neither one is familiar with clearly or can uses for reference for along javelin vertical axis exertion with proper angle, outmoded imitation teaching is without special apparatus, the explanation of teacher, demonstration is often for viewing and admiring class, free-hand imitation, simple language explanation often makes student be difficult to set up a kind of good muscular exertion sensation or consciousness, if things go on like this, have a strong impact on the raising of quality of instruction and sports achievement.Along with the scientific, specialized of training and day by day strengthen targetedly and the improving constantly of modern spear sport level, but have several factors to affect the achievement of javelin thrower, what play a decisive role is the special project that sportsman self grasps and the ability possessed, especially the responsiveness in sportsman's final force stage and angle.The throwing action speed in javelin thrower's final force stage is decided by: the speed of run-up; The active muscle group relevant with throwing and the convergent force of collaborative muscle group thereof; Sportsman is to the grasp of final force technology; The functional state of central nervous system; Athletic sensitive, pliable and tough, coordination ability etc.
Chinese patent CN201098517 discloses a kind of javelin ultimate forcing teaching train auxiliary instrument, its two groups of triangular pipe frame upper plug-in mounting positioning pipes, alignment pin is located by locating hole, two groups of positioning pipe top one connecting cross beams, resilient sleeve is connected in the middle part of crossbeam, triangular pipe frame bottom has locating hole, crossbeam one end mounting throwing stick, use this apparatus, can the paying attention sportsman Stability and veracity of finally selling firmly, effective load improving exercise and training, but one end of the throwing stick of this device is simply fixing, the angle still bad assurance that javelin is thrown out, training is not had to the effect of auxiliary exercise, and this device javelin being firmly also difficult to when selling is held, student is easily made to form the dynamic stereotype of mistake.
Summary of the invention
The defect held is not easy for existing javelin final force and angle of trajectory, the invention provides the control device of a kind of javelin final force teaching, this device is easy to operate, floor space is little, reasonably can control the adjustment of javelin height and angle, good muscular exertion sensation can be set up, form the final force action of specification, effectively can shorten cycle of training.
Technical scheme of the present invention is as follows:
The control device of javelin final force teaching of the present invention, it is characterized in that: comprise the different A column of height fixing separately and B column, the height of A column is higher than B column certain size, be connected with javelin guiding cable wire between A column top and B column top, described javelin guiding cable wire is slidably installed along its length exercise javelin; A column and B column are provided with the height-angle regulator for regulating exercise javelin.
Highly-angle regulator comprises lower tooth roller box, leading screw and slide block, screw pair is provided with in A column and B column, non-rotatable nut is provided with slide block, screw turns band movable slider moves up and down, javelin guiding cable wire is connected between the slide block on A column and the slide block on B column, and A column and B column are provided with the vertical slotted eye supplying the extension of slide block to slide up and down; Be provided with lower tooth roller box in the bottom of A column and B column, be provided with commutation bevel gear pair in lower tooth roller box, the bottom of leading screw is connected with the turning handle of lower tooth roller box by commutation bevel gear pair.
Arrangement for adjusting height also comprises high level of synchronization traction link, upper gear box and arrangement of clutch, high level of synchronization traction link is connected with between A column and B column upper end, upper gear box is provided with in the upper end of A column and B column, commutation bevel gear pair is provided with in upper gear box, leading screw in A column connects high level of synchronization traction link one end by this commutation bevel gear pair, B column upper interior portion is provided with arrangement of clutch, B column inside is positioned at above leading screw and is also provided with one section of vertical rod by bearing, vertical rod lower end to be connected with the leading screw in B column by arrangement of clutch or to throw off, vertical rod upper end connects the high level of synchronization traction link other end by this commutation bevel gear pair.
Arrangement of clutch comprises height-angular adjustment and switches handle and thumb wheel, thumb wheel endoporus is provided with spline, thumb wheel follows screw turns by spline housing in the upper end of leading screw, corresponding with the spline inside thumb wheel with spline outside vertical rod, the outer middle side part of thumb wheel has a circle groove, and highly-angular adjustment switches handle one end and inserts groove, and the slotted eye of the other end on B column extends to outside B column, slotted eye is in the L shape of standing upside down, and highly-angular adjustment switches handle can along the height of slotted eye motor adjustment thumb wheel.
There is through hole along its length exercise javelin inside, is slidably mounted on javelin guiding cable wire by through hole.
Javelin guiding cable wire is connected with the tensioning apparatus be arranged on A column or B column.
The swelling device of javelin guiding cable wire comprises installation winding wheel shaft in the enclosure, reel and scroll spring, winding wheel shaft is fixed on shell, reel is rotating to be arranged on winding wheel shaft, scroll spring one ends wound is fixed on winding wheel shaft, the other end is fixed on reel, the slide block of B column is provided with two regulating wheels, and javelin guiding cable wire end is fastened on reel after these two regulating wheels.
In the lower tooth roller box of A column and the lower tooth roller box of B column, between turning handle and commutation bevel gear pair, be also connected with several travelling gears.
The control method of the control device of javelin final force teaching of the present invention, it is characterized in that, when the height-angular adjustment not pulling arrangement of clutch switches handle, for angular adjustment state, this handle falls under gravity to the low spot of slotted eye, namely the state of leaving is between the vertical rod of arrangement of clutch with B column internal upper part, thumb wheel only engages with B column inboard leadscrews, do not interact with the leading screw in A column, rotate the turning handle of the lower tooth roller box of A column, drive screw turns in A post, slide block on A column is moved up and down, slide block now on B column does not move up and down, then javelin guiding cable wire makes its angle increase due to one end height change or reduces, its form keeps straight condition because the wire rope tensioning device in the lower tooth roller box of B column controls the length of cable wire,
Switch handle to slotted eye upper end rotate the horizontal component of this handle to slotted eye top so that firmly it is highly surely when upwards pulling height-angular adjustment, the thumb wheel of arrangement of clutch moves up and engages with B column inboard leadscrews and top vertical rod simultaneously, for height adjustment state, rotate the turning handle of the lower tooth roller box of B column, drive screw turns in B column, the slide block on B column is driven to move up and down, leading screw is by commutation bevel gear pair driving-belt dynamic height sync pulling link rotatable in B column upper gear box simultaneously, thus the bevel gear pair transmission that commutates in upper gear box by A column makes the screw turns in A column, the slide block on A column is made to do move up and down synchronous with the slide block on B column, javelin guiding cable wire is due to the change of two ends high level of synchronization, the difference along with sportsman's height is realized with this, regulate the object of institute's holding the javelin height, in this process, height due to exercising machine regulates and synchronously carries out, A, synchronously moving up and down of B column top shoe and can not change javelin guiding cable wire angle change.
Javelin final force English majours servicing unit of the present invention, by arrangement of clutch, can switch equipment easily and be independent of each other between high level of synchronization adjustment state and angular adjustment state.
Technical characterstic of the present invention and advantage:
1,the present invention can make student grasp final force in exercise process, and sell with suitable angle, good muscular exertion sensation can be set up by exercise repeatedly, and then form firm dynamic stereotype, break outmoded imitation and can only practice bare-handed and be not easy to grasp javelin run-up and final force engagement technique problem.
2,structure is simple, use safety, avoid generation that is dangerous and injury accident.
3,solving because limiting by place, effectively alleviating the problems such as current javelin teaching lack of space, shortening the English majours cycle, significantly improve specific technique and sports achievement.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram.Fig. 2 is the arrangement of clutch schematic diagram after B column is cut open, and Fig. 3 is A column, B stem height adjustment structure schematic diagram.Fig. 4 is tensioning apparatus front view schematic diagram.Fig. 5 is tensioning apparatus cross-sectional schematic.
In figure, 1, A column lower tooth roller box, 2, A column, 3, A column leading screw, 4, A column slide block, 5, A column upper gear box, 6, high level of synchronization traction link, 7, javelin guiding cable wire, 8, exercise javelin, 9, B column upper gear box, 10, B column slide block, 11, B column lower tooth roller box, 12, B column, 13, B column leading screw, 14, turning handle, 15 vertical rods, 16 height-angular adjustment switch handle, 17 thumb wheels, 18 grooves, 19 arrangement of clutch, 20 winding wheel shafts, 21 reels, 22 scroll springs, 23 regulating wheels, 24 regulating wheels, 25 shells, 26 slotted eyes.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described further.
The control device of javelin final force teaching of the present invention, comprise the different A column 2 of height fixing separately and B column 12, the height of A column is higher than B column certain size, be connected with javelin guiding cable wire 7 between A column top and B column top, described javelin guiding cable wire is slidably installed along its length exercise javelin 8.
A column and B column are respectively equipped with arrangement for adjusting height, and arrangement for adjusting height can also regulate the angle of guiding cable wire as angle regulator javelin.
Arrangement for adjusting height comprise lower tooth roller box 11,1, leading screw 3,13 and slide block 10,4, screw pair is provided with in A column and B column, non-rotatable nut is provided with slide block 10,4, leading screw 3,13 rotating band movable slider moves up and down, javelin guiding cable wire 7 is connected between the slide block 4 on A column and the slide block 10 on B column, and A column and B column are provided with the vertical slotted eye supplying the extension of slide block to slide up and down; Be provided with lower tooth roller box 11,1 in the bottom of A column and B column, be provided with commutation bevel gear pair in lower tooth roller box, the bottom of leading screw is connected with the turning handle 14 of lower tooth roller box by commutation bevel gear pair.
Arrangement for adjusting height also comprises high level of synchronization traction link 6, upper gear box 5, 9 and arrangement of clutch 25, be connected with high level of synchronization traction between A column and B column upper end to connect, 6, upper gear box 5 is provided with in the upper end of A column and B column, 9, commutation bevel gear pair is provided with in upper gear box, leading screw in A column connects high level of synchronization traction link 6 one end by this commutation bevel gear pair, B column upper interior portion is provided with arrangement of clutch 19, B column inside is positioned at above leading screw and is also provided with one section of vertical rod 15 by bearing, vertical rod lower end to be connected with the leading screw in B column by arrangement of clutch or to throw off, vertical rod upper end connects the high level of synchronization traction link other end by this commutation bevel gear pair.
The hand of spiral of the leading screw in the leading screw in A column and B column, can arrange as required, belong to routine techniques.
Arrangement of clutch comprises height-angular adjustment and switches handle 16 and thumb wheel 17, thumb wheel endoporus is provided with spline, thumb wheel follows screw turns by spline housing in the upper end of leading screw, corresponding with the spline inside thumb wheel with spline outside vertical rod, the outer middle side part of thumb wheel has a circle groove 18, highly-angular adjustment switches handle one end and inserts groove, the slotted eye 26 of the other end on B column extends to outside B column, slotted eye is in the L shape of standing upside down, and highly-angular adjustment switches handle can along the height of slotted eye motor adjustment thumb wheel.
There is through hole along its length exercise javelin inside, is slidably mounted on javelin guiding cable wire by through hole.
Javelin guiding cable wire is connected with the tensioning apparatus be arranged on A column or B column.
The swelling device of javelin guiding cable wire comprises the winding wheel shaft 20 be arranged in shell 25, reel 21 and scroll spring 22, winding wheel shaft is fixed on shell, reel is rotating to be arranged on winding wheel shaft, scroll spring one ends wound is fixed on winding wheel shaft, the other end is fixed on reel, the slide block of B column is provided with two regulating wheels 23,24, and javelin guiding cable wire end is fastened on reel after these two regulating wheels.
In the lower tooth roller box of A column and the lower tooth roller box of B column, between turning handle and commutation bevel gear pair, be also connected with several travelling gears.
The control method of the control device of javelin final force teaching of the present invention, when the height-angular adjustment not pulling arrangement of clutch switches handle 16, for angular adjustment state, this handle falls under gravity to the low spot of slotted eye 19, namely the state of leaving is between the vertical rod of arrangement of clutch with B column internal upper part, thumb wheel only engages with B column inboard leadscrews 13, do not interact with the leading screw 3 in A column, rotate the turning handle 14 of the lower tooth roller box 1 of A column, drive screw turns in A post, slide block 4 on A column is moved up and down, slide block 10 now on B column does not move up and down, then javelin guiding cable wire makes its angle increase due to one end height change or reduces, its form keeps straight condition because the wire rope tensioning device in the lower tooth roller box 11 of B column controls the length of cable wire,
Switch handle to slotted eye 19 upper end rotate the horizontal component of this handle to slotted eye top so that firmly it is highly surely when upwards pulling height-angular adjustment, the thumb wheel of arrangement of clutch moves up and engages with B column inboard leadscrews and top vertical rod simultaneously, for height adjustment state, rotate the turning handle of the lower tooth roller box of B column, drive screw turns in B column, the slide block 10 on B column is driven to move up and down, leading screw is rotated by commutation bevel gear pair driving-belt dynamic height sync pulling connecting rod 6 in B column upper gear box 9 simultaneously, thus make the screw turns in A column by commutation bevel gear pair transmission in the upper gear box 5 of A column, slide block 4 on A column is done and synchronous the moving up and down of slide block 10 on B column, javelin guiding cable wire is due to the change of two ends high level of synchronization, the difference along with sportsman's height is realized with this, regulate the object of institute's holding the javelin height, in this process, height due to exercising machine regulates and synchronously carries out, A, synchronously moving up and down of B column top shoe and can not change javelin guiding cable wire angle change.
Claims (7)
1. the control device of a javelin final force teaching, it is characterized in that: comprise the different A column of height fixing separately and B column, the height of A column is higher than B column certain size, be connected with javelin guiding cable wire between A column top and B column top, described javelin guiding cable wire is slidably installed along its length exercise javelin; A column and B column are provided with the height-angle regulator for regulating exercise javelin.
2. the control device of javelin final force teaching according to claim 1, it is characterized in that, highly-angle regulator comprises lower tooth roller box, leading screw and slide block, screw pair is provided with in A column and B column, non-rotatable nut is provided with slide block, screw turns band movable slider moves up and down, and javelin guiding cable wire is connected between the slide block on A column and the slide block on B column, and A column and B column are provided with the vertical slotted eye supplying the extension of slide block to slide up and down; Be provided with lower tooth roller box in the bottom of A column and B column, be provided with commutation bevel gear pair in lower tooth roller box, the bottom of leading screw is connected with the turning handle of lower tooth roller box by commutation bevel gear pair;
Arrangement for adjusting height also comprises high level of synchronization traction link, upper gear box and arrangement of clutch, high level of synchronization traction link is connected with between A column and B column upper end, upper gear box is provided with in the upper end of A column and B column, commutation bevel gear pair is provided with in upper gear box, leading screw in A column connects high level of synchronization traction link one end by this commutation bevel gear pair, B column upper interior portion is provided with arrangement of clutch, B column inside is positioned at above leading screw and is also provided with one section of vertical rod by bearing, vertical rod lower end to be connected with the leading screw in B column by arrangement of clutch or to throw off, vertical rod upper end connects the high level of synchronization traction link other end by this commutation bevel gear pair.
3. the control device of javelin final force teaching according to claim 2, it is characterized in that, arrangement of clutch comprises height-angular adjustment and switches handle and thumb wheel, thumb wheel endoporus is provided with spline, thumb wheel follows screw turns by spline housing in the upper end of leading screw, corresponding with the spline inside thumb wheel with spline outside vertical rod, the outer middle side part of thumb wheel has a circle groove, highly-angular adjustment switches handle one end and inserts groove, the slotted eye of the other end on B column extends to outside B column, slotted eye is in the L shape of standing upside down, highly-angular adjustment switches handle can along the height of slotted eye motor adjustment thumb wheel.
4. according to the control device of the javelin final force teaching in claim 1-3 described in any one, it is characterized in that, there is through hole along its length exercise javelin inside, is slidably mounted on javelin guiding cable wire by through hole.
5. according to the control device of the javelin final force teaching in claim 1-3 described in any one, it is characterized in that, javelin guiding cable wire is connected with the tensioning apparatus be arranged on A column or B column.
6. the control device of javelin final force teaching according to claim 5, it is characterized in that, the swelling device of javelin guiding cable wire comprises installation winding wheel shaft in the enclosure, reel and scroll spring, winding wheel shaft is fixed on shell, reel is rotating to be arranged on winding wheel shaft, scroll spring one ends wound is fixed on winding wheel shaft, the other end is fixed on reel, the slide block of B column is provided with two regulating wheels, and javelin guiding cable wire end is fastened on reel after these two regulating wheels.
7. the control device of the javelin final force teaching according to Claims 2 or 3, is characterized in that, in the lower tooth roller box of A column and the lower tooth roller box of B column, between turning handle and commutation bevel gear pair, is also connected with several travelling gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641373.2U CN204193446U (en) | 2014-10-31 | 2014-10-31 | The control device of javelin final force teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420641373.2U CN204193446U (en) | 2014-10-31 | 2014-10-31 | The control device of javelin final force teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204193446U true CN204193446U (en) | 2015-03-11 |
Family
ID=52651448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420641373.2U Expired - Fee Related CN204193446U (en) | 2014-10-31 | 2014-10-31 | The control device of javelin final force teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204193446U (en) |
-
2014
- 2014-10-31 CN CN201420641373.2U patent/CN204193446U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207137299U (en) | Canoeing machine | |
| CN104307155B (en) | A kind of Multifunctional basketball dribble Partner training device | |
| CN202506078U (en) | Auxiliary system for basketball shooting training | |
| CN205460746U (en) | Multi -functional barre is used in teaching of dance specialty | |
| CN207119117U (en) | A kind of physical education basketball stands | |
| CN105617631A (en) | Control device for last strength in javelin throwing teaching | |
| CN110860075A (en) | Land dragon boat trainer | |
| CN204193446U (en) | The control device of javelin final force teaching | |
| CN202682724U (en) | Teaching and training auxiliary device for last effort of javelin throw | |
| CN202427127U (en) | Table tennis training system | |
| CN206853142U (en) | A kind of physical education hurdles rack | |
| CN203767057U (en) | Screw ship driven by elliptical machine | |
| CN205867423U (en) | Double side direction equipment that rolls | |
| CN104190062B (en) | The control device of javelin final force teaching | |
| CN110681140B (en) | Basketball dribbling passing auxiliary trainer and training method thereof | |
| CN106237600A (en) | A kind of swimming training machine | |
| CN106267769A (en) | A kind of swimming training machine and damping stretcher thereof | |
| CN208525726U (en) | A kind of rowing exercise equipment, swing drawing fitness equipment and multifunctional body-building device | |
| CN201783166U (en) | Adjustable tennis ball training rack | |
| WO2016026800A1 (en) | Apparatus for learning and practising dancing | |
| CN109758754B (en) | Special instrument for football training | |
| CN110721455B (en) | Table tennis training equipment | |
| CN202136766U (en) | Final thrust auxiliary exerciser for javelin instruction | |
| US11192011B1 (en) | Relay race training apparatus | |
| CN113384435B (en) | Sports teaching is with aerobics exercises training person's training device of splitting leg |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20151031 |
|
| EXPY | Termination of patent right or utility model |