CN2573022Y - Linkage brake special javelin throwing training device - Google Patents
Linkage brake special javelin throwing training device Download PDFInfo
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- CN2573022Y CN2573022Y CN 02269783 CN02269783U CN2573022Y CN 2573022 Y CN2573022 Y CN 2573022Y CN 02269783 CN02269783 CN 02269783 CN 02269783 U CN02269783 U CN 02269783U CN 2573022 Y CN2573022 Y CN 2573022Y
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- javelin
- brake
- sleeve
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Abstract
The utility model relates to a special training device for throwing linkage and braking javelins, which relates to training equipment for throwing javelins and belongs to the technical field of sports equipment. The utility model is mainly composed of a bottom seat, upright posts, a sliding wheel, a steel cable, a loading device and a javelin simulating throwing device, wherein, the javelin simulating throwing device is supported by the front and the back adjustable upright posts, the bottoms of the two adjustable upright posts are fixed on the bottom seat, one end of a chain is connected with the loading device via the steel cable and the sliding wheel, and the other end is connected with the javelin simulating throwing device after the other end is sequentially engaged with a fixed on the bottom seat, a linkage brake and a chain wheel fixed on a supporting rod of the back adjustable upright post. The utility model is used, which enables early training athletes and beginners to correctly master the skillful performance angle and the shaping action of javelins and power, and scientifically and forcefully enables the athletes to improve special athletic ability. The utility model has the advantages of reasonable structure, safe use, simple operation, etc.
Description
(1) technical field
The utility model relates to a kind of javelin throwing training device, belongs to the athletic sports appliance technical field.
(2) background technology
At present, along with the development of world sport campaign, the improving constantly of competitiveness, the technicalization of athletic training is also paid attention to by various countries.Yet the training in China about javelin throwing still rests on sportsman oneself and grasps the angle and the method for exerting oneself, and this can influence the training effect of javelin throwing undoubtedly.And existing javelin training aids can't reach the purpose that improves competitiveness because unreasonable structure is used instability.
(3) summary of the invention
The utility model is for remedying the deficiencies in the prior art, provides a kind of rational in infrastructure, safe in utilization, simple to operate and can correctly grasp the special-purpose training aids of interlock brake type javelin throwing that javelin angle of trajectory and typing action and strength, reinforcement high performance athlete improve specific physical performance to the sportsman and the beginner of early exercise.
The utility model is finished by following technical measures.
This training aids mainly by base, column, pulley, steel wire rope, increase the weight of device and javelin simulation jettison device and form, wherein, javelin simulation jettison device is by front and back two adjustable upright supports, two adjustable column bottoms all are fixed on the base, one end of chain is by steel wire rope, pulley and increase the weight of device and be connected, the other end successively be fixed on base on sprocket wheel, linkage brake and be fixed on sprocket engagement on the adjustable column pole in back after be connected with javelin simulation jettison device.
Javelin simulation jettison device comprises javelin sleeve and simulation javelin, is provided with slideway in the javelin sleeve, and the slide groove that communicates with slideway is arranged on the sleeve wall, the preceding end closure in the javelin sleeve, and the simulation javelin is done axially-movable by slide groove in the javelin sleeve.The simulation javelin is made up of model gun body and handle, is fixed as one on handle and the model gun body, and the model gun body is installed in the javelin sleeve by slide groove.
Linkage brake is made up of travel switch, backhaul switch, electric cabinet, brake main shaft, brake wheel, bearing block, brake sprocket wheel and electromagnetic brake, wherein, it is adjustable that travel switch is installed in the front end and the position of the slide groove on the javelin sleeve, the backhaul switch is installed in the rear end of javelin sleeve sliding way groove, the brake spindle mounted has brake sprocket wheel, brake wheel, bearing all to support by bearing block, and two brake scotch on the electromagnetic brake place the brake wheel both sides.
Increasing the weight of device is made up of weight bracing frame, bearing bar and weight block, the weight bracing frame is fixed on the base, the coaming plate that the stable weight piece is arranged on the weight bracing frame, 3-20 adjustment hole arranged on the bearing bar, the through hole that has bearing bar to penetrate on the weight block center, have and the corresponding pin shaft hole of bearing bar adjustment hole in the side of weight block, be being connected of weight block and bearing bar to insert that bearing bar adjustment hole in the weight block carries out by bearing pin.
It is between 29 °-32 ° that the javelin sleeve is fixed on the elevation angle.
The simulation javelin is connected with being connected to of chain is dismantled and assembled.
Pulley is fixed on the weight bracing frame.
Chain and steel wire rope are for flexibly connecting.
Two adjustable columns are formed by sleeve, column, and column by the height of bearing pin adjusting column, has the pole of fixed chain wheels in the upper end of the adjustable column in back in sleeve.
The utility model is by being provided with javelin simulation jettison device, train athletic angle of trajectory and typing action, setting increases the weight of device can train athletic strength, when being provided with of linkage brake solved the simulation javelin and resetted, because of gravity return rapidly, cause athletic pulling and the damage of apparatus.During use,, adjust the position of the height and the travel switch of adjustable column, adjust what and replacing simulation javelin of weight block according to the required weight dynamics of sportsman by bearing bar according to athletic height.
Operation principle is as follows: the practitioner holds the javelin handle along simulating the javelin slideway when previous crops is thrown the typing action exercise, simulating javelin this moment drives chain, sprocket wheel, steel wire rope, pulley and makes the bearing bar load-bearing carry gravity, when the simulation javelin brushes up against travel switch, the relay adhesive gets the solenoid of electromagnetic brake in the electric cabinet, the electromagnet action, braking on the electromagnetic brake is rolled and watt is made brake wheel be subjected to the effect of frictional force, sprocket wheel on the electromagnetic brake acts on the chain, play cushioning effect, make weight block reduce to original position with slower speed; When weight block resetted, simulation javelin percussion backhaul switch made relay disconnection in the electric cabinet, electromagnetic brake dead electricity, reinstatement attitude.
Use the utility model can make the sportsman of early exercise and beginner can correctly grasp javelin angle of trajectory and typing action and strength, reinforcement sportsman and improve specific physical performance, and have rational in infrastructure, safe in utilization, simple operation and other advantages.
(4) description of drawings
Fig. 1 looks schematic diagram for the utility model master.
Fig. 2 is the utility model right view.
Fig. 3 is a linkage brake structural representation in the utility model.
Fig. 4 is the electrical schematic diagram of linkage brake in the utility model.
Wherein, 1, the weight bracing frame, 2, pulley, 3, steel wire rope, 4, adjustable column, 5, the javelin sleeve, 6, simulation javelin, 7, sprocket wheel, 8, chain, 9, linkage brake, 10, base, 11, weight block, 12, bearing bar, 13, travel switch, 14, the backhaul switch, 15, electric cabinet, 16, bearing block, 17, electromagnetic brake main shaft, 18, brake wheel, 19, the electromagnetic brake sprocket wheel, 20, electromagnetic brake, 21, electromagnetic brake coil, 22, relay normally open contact, 23, relay coil.
(5) specific embodiment
Structure as shown in Figures 1 to 4, fixing javelin sleeve 5 on the two adjustable columns 4 of front and back, making its elevation angle is 30 °, adjustable column 4 is fixed on the base 10, regulate the height of adjustable column 4 according to athletic height, adjustable column 4 is made up of sleeve, column, and column is in sleeve, by the height of bearing pin adjusting column, the pole of fixed chain wheels 7 is arranged in the upper end of the adjustable column in back; Simulation javelin 6 is housed in javelin sleeve 5, and according to athletic dynamics transposing simulation javelin 6.Be provided with slideway in the javelin sleeve, put the slide groove that communicates with slideway outward; Simulation javelin 6 is made up of model gun body and handle, and handle is fixed on the model gun body, and the two ends of model gun body are provided with bumps iron, and the model gun body is installed in the javelin sleeve 5 by slide groove, and simulation javelin 6 is done axially-movable by slide groove in javelin sleeve 5; One end of chain 8 is connected with bearing bar 12 with pulley 2 on being fixed on weight bracing frame 1 by steel wire rope 3, and the other end flexibly connects with simulation javelin 6 with the sprocket wheel 7 engagement backs that are fixed on sprocket wheel 7, the linkage brake 9 on the base 10 and be fixed on the adjustable column pole 4 in back successively.Linkage brake 9 is made up of travel switch 13, backhaul switch 14, electric cabinet 15, electromagnetic brake main shaft 17, brake wheel 18, bearing block 16, electromagnetic brake sprocket wheel 19 and electromagnetic brake 20, wherein, it is adjustable that travel switch 13 is installed in the front end and the position of javelin sleeve 5 sliding way grooves, backhaul switch 14 is installed in javelin sleeve 5 sliding way groove rear ends, electromagnetic brake main shaft 17 is equipped with brake sprocket wheel 19, brake wheel 18 and all supports by bearing block 16, and two brake scotch on the electromagnetic brake 20 place brake wheel 18 both sides.According to the demand of sportsman to dynamics, adjustment increases the weight of the weight of device, increase the weight of device by weight bracing frame 1, bearing bar 12 and weight block 11 are formed, weight bracing frame 1 is fixed on the base 2, the coaming plate that stable weight piece 11 is arranged on the weight bracing frame 1,10 adjustment holes are arranged on the bearing bar 12, the through hole that has bearing bar 12 to penetrate on the center of weight block 11, have and the corresponding pin shaft hole of bearing bar 12 adjustment holes in the side of weight block 11, when need increased or reduce weight block 11, the weight block 11 that is used for that all need take off in the weight block 11 was finished with the bearing pin that bearing bar 12 links to each other.During work: when sportsman's javelin handle along simulation javelin slideway when previous crops is thrown the typing action, simulation javelin 6 drives steel wire rope 3, chain 8, sprocket wheel 7, pulley 2 makes bearing bar 12 pulling weight blocks, when simulation javelin 6 brushes up against travel switch 13, coil 23 in the electric cabinet 15 on the relay gets electric adhesive, relay normally open contact 22 closures, the solenoid 21 of electromagnetic brake 20 is got, the magnet action, braking on the electromagnetic brake 20 is rolled and watt is made brake wheel 18 be subjected to the effect of frictional force, electromagnetic brake sprocket wheel 19 acts on the chain, play cushioning effect, make weight block reduce to original position with slower speed; When weight block resetted, simulation javelin percussion backhaul switch 14 disconnected it, relay coil 23 dead electricity in the electric cabinet, and relay normally open contact 22 is opened, electromagnetic brake 20 dead electricity, reinstatement attitude.
Claims (10)
1, the special-purpose training aids of a kind of interlock braking javelin throwing, mainly by base, column, pulley, steel wire rope, increase the weight of device and javelin simulation jettison device and form, it is characterized in that, javelin simulation jettison device is by front and back two adjustable upright supports, two adjustable column bottoms all are fixed on the base, one end of chain is by steel wire rope, pulley and increase the weight of device and be connected, the other end successively be fixed on base on sprocket wheel, linkage brake and be fixed on sprocket engagement on the adjustable column pole in back after be connected with javelin simulation jettison device.
2, the special-purpose training aids of a kind of interlock braking javelin throwing according to claim 1, it is characterized in that, described javelin simulation jettison device comprises javelin sleeve and simulation javelin, be provided with slideway in the javelin sleeve, the slide groove that communicates with slideway is arranged on the sleeve wall, preceding end closure in the javelin sleeve, the simulation javelin is done axially-movable by slide groove in the javelin sleeve.
3, the special-purpose training aids of a kind of interlock braking javelin throwing according to claim 2, it is characterized in that, described simulation javelin is made up of model gun body and handle, is fixed as one on handle and the model gun body, and the model gun body is installed in the javelin sleeve by slide groove.
4, the special-purpose training aids of a kind of interlock braking javelin throwing according to claim 1, it is characterized in that, linkage brake is by travel switch, the backhaul switch, electric cabinet, the brake main shaft, brake wheel, bearing block, brake sprocket wheel and electromagnetic brake are formed, wherein, it is adjustable that travel switch is installed in the front end and the position of the slide groove on the javelin sleeve, the backhaul switch is installed in the rear end of javelin sleeve sliding way groove, the brake spindle mounted has the brake sprocket wheel, brake wheel, bearing all supports by bearing block, and two brake scotch on the electromagnetic brake place the brake wheel both sides.
5, the special-purpose training aids of a kind of interlock braking javelin throwing according to claim 1, it is characterized in that, increasing the weight of device is made up of weight bracing frame, bearing bar and weight block, the weight bracing frame is fixed on the base, the coaming plate that the stable weight piece is arranged on the weight bracing frame has 3-20 adjustment hole, the through hole that has bearing bar to penetrate on the weight block center on the bearing bar, have and the corresponding pin shaft hole of bearing bar adjustment hole in the side of weight block, weight block is connected with bearing bar by bearing pin.
6, the special-purpose training aids of a kind of interlock braking javelin throwing according to claim 2 is characterized in that it is between 29 °-32 ° that the javelin sleeve is fixed on the elevation angle.
7, the special-purpose training aids of a kind of interlock braking javelin throwing according to claim 1 and 2 is characterized in that the simulation javelin is connected with being connected to of chain is dismantled and assembled.
8, the special-purpose training aids of a kind of according to claim 1 or 5 interlock braking javelin throwing is characterized in that pulley is fixed on the weight bracing frame.
9, the special-purpose training aids of a kind of interlock braking javelin throwing according to claim 1 is characterized in that chain and steel wire rope flexibly connect.
10, the special-purpose training aids of a kind of interlock braking javelin throwing according to claim 1, it is characterized in that two adjustable columns are formed by sleeve, column, column is in sleeve, by the height of bearing pin adjusting column, the pole of fixed chain wheels is arranged in the upper end of the adjustable column in back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02269783 CN2573022Y (en) | 2002-09-26 | 2002-09-26 | Linkage brake special javelin throwing training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02269783 CN2573022Y (en) | 2002-09-26 | 2002-09-26 | Linkage brake special javelin throwing training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2573022Y true CN2573022Y (en) | 2003-09-17 |
Family
ID=33734961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02269783 Expired - Fee Related CN2573022Y (en) | 2002-09-26 | 2002-09-26 | Linkage brake special javelin throwing training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2573022Y (en) |
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 |
| CN103638664A (en) * | 2013-12-30 | 2014-03-19 | 哈尔滨商业大学 | Laser type javelin core stability and strength training and information feedback monitoring device |
| CN104548544A (en) * | 2014-12-30 | 2015-04-29 | 哈尔滨商业大学 | Laser type super-equal-length javelin instrument vibration core stable strength training and information feedback device |
| CN108295447A (en) * | 2018-02-09 | 2018-07-20 | 河北银箭体育用品股份有限公司 | Javelin throwing simulator |
| CN106390406B (en) * | 2016-09-28 | 2018-07-27 | 叶晴川 | A kind of small field training device suitable for javelin throwing practice |
-
2002
- 2002-09-26 CN CN 02269783 patent/CN2573022Y/en not_active Expired - Fee Related
Cited By (7)
| 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 |
| CN103638664A (en) * | 2013-12-30 | 2014-03-19 | 哈尔滨商业大学 | Laser type javelin core stability and strength training and information feedback monitoring device |
| CN103638664B (en) * | 2013-12-30 | 2016-08-17 | 哈尔滨学院 | A kind of Laser-type javelin core stable strength building and information feedback supervising device |
| CN104548544A (en) * | 2014-12-30 | 2015-04-29 | 哈尔滨商业大学 | Laser type super-equal-length javelin instrument vibration core stable strength training and information feedback device |
| CN106390406B (en) * | 2016-09-28 | 2018-07-27 | 叶晴川 | A kind of small field training device suitable for javelin throwing practice |
| CN108295447A (en) * | 2018-02-09 | 2018-07-20 | 河北银箭体育用品股份有限公司 | Javelin throwing simulator |
| CN108295447B (en) * | 2018-02-09 | 2024-04-09 | 河北银箭体育用品股份有限公司 | Javelin throwing simulation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |