CN112999602A - Leg training device for track and field sports - Google Patents
Leg training device for track and field sports Download PDFInfo
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- CN112999602A CN112999602A CN202110371270.3A CN202110371270A CN112999602A CN 112999602 A CN112999602 A CN 112999602A CN 202110371270 A CN202110371270 A CN 202110371270A CN 112999602 A CN112999602 A CN 112999602A
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- pedal
- limiting
- training device
- rope
- leg training
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Tools (AREA)
- Ladders (AREA)
Abstract
The invention discloses a leg training device for track and field sports, which comprises steps, an upright post and a slow descending mechanism, wherein the steps are arranged on the upper part of the upright post; the stand is upright on ground, slowly fall the mechanism and include first footboard, fixed pulley, balancing weight and first rope, first footboard is installed on the stand and can be along stand up-and-down motion, and first rope winding is on the fixed pulley and both ends are connected balancing weight and first footboard respectively, and first footboard flushes with the highest point of ladder when the balancing weight falls to the ground. According to the leg training device, the slow descending mechanism is arranged on one side of the ladder, when the athlete reaches the highest level of the ladder, the athlete can stand on the first pedal in a striding mode, the athlete slowly falls to the ground along with the first pedal, the athlete does not need to go down the ladder by himself, and the problem that the athlete frequently goes down the ladder to damage knees is avoided.
Description
Technical Field
The invention relates to the field of sports equipment, in particular to a leg training device for track and field sports.
Background
The step training is a method for carrying out physical training by using steps, can exercise leg strength and explosive force of athletes, and is very suitable for leg training of track and field athletes. However, the professional athlete does not usually adopt the stair training because there is no special equipment for the stair training in the prior art, the professional athlete can only use the common stair (i.e. the common stair constructed by using building materials such as cement) to train, and when the athlete trains from the first-level stair to the highest-level stair by using the modes such as leapfrog, the athlete can only walk down the stair and continue the training. The process of going down stairs is useless for athletes, and under the condition that training courses of professional athletes are many, the physical strength of the athletes is consumed by a large amount of stepping actions, and the knees of the athletes are damaged. Therefore, although the step training is an excellent leg training method, the step training is not good in practical application effect due to the negative effect of 'frequently stepping down'. Theoretically, the problems can be solved by using a common ladder-matched elevator, but the manufacturing cost, the use cost and the maintenance cost of the elevator are high, and more athletes can select other training methods in consideration of economic benefits.
Disclosure of Invention
The invention aims to solve the technical problem that special step training equipment for leg training of track and field athletes is lacked in the prior art.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a leg training device for track and field sports comprises steps, a stand column and a slow descending mechanism;
the ladder can be built by adopting common building materials, and can also be manufactured by using steel plates or other materials;
the vertical column is erected on the ground, the slow descending mechanism comprises a first pedal, a fixed pulley, a balancing weight and a first rope, the first pedal is mounted on the vertical column and can move up and down along the vertical column, the first rope is wound on the fixed pulley, two ends of the first rope are respectively connected with the balancing weight and the first pedal, and the first pedal is flush with the highest position of the ladder when the balancing weight falls to the ground; the weight of the weight block should be about 80% of the weight of the athlete and the first step.
In the technical scheme of the invention, the steps are only common steps for athletes to carry out step training, when the athletes reach the highest level of the steps, the athletes can stride and stand on the first pedal, at the moment, the total weight of the athletes and the first pedal exceeds the weight of the balancing weight, the athletes slowly fall to the ground along with the first pedal, the athletes do not need to go down the steps by themselves, and the athletes are prevented from frequently going down the steps to damage knees. After the athlete leaves the first pedal, the first pedal automatically rises to the highest point under the action of the balancing weight.
Because the weight of the balancing weight is close to the total weight of the athlete and the first pedal, when one foot of the athlete strides over the first pedal, the first pedal can possibly start to rise, and in order to avoid the problem, the invention also provides a limiting mechanism and a unlocking mechanism, wherein the limiting mechanism comprises a basic frame, two limiting movable plates, a first spring and a second rope, the two limiting movable plates are hinged with the basic frame, the first spring is arranged between the limiting movable plates and the basic frame, and two ends of the second rope are respectively connected with the two limiting movable plates;
the limiting mechanism is positioned under the first pedal, the bottom of the first pedal is provided with a limiting lug, the limiting lug is aligned with the limiting movable plate in the vertical direction, when the first pedal moves to the lowest point, the limiting lug is clamped under the limiting movable plate, and at the moment, even if a sportsman completely leaves the first pedal, the first pedal cannot rise;
the unlocking mechanism comprises a second pedal, a third pedal and a lever, the first pedal at the lowest point is sequentially connected with the second pedal and the third pedal, the third pedal comprises a movable pedal, a base box body, a second spring and a limiting vertical plate, one end of the movable pedal is hinged with the base box body, the limiting vertical plate and the second spring are both arranged on the base box body, the second spring enables the movable pedal to be horizontal, and a gap is formed between the top of the limiting vertical plate and the movable pedal; the second pedal is in a box shape, the lever is positioned in the second pedal and is hinged with the second pedal, and two ends of the lever are respectively positioned below the movable pedal and the second rope;
the sportsman leaves first footboard and then can stand on the second footboard at first, and first footboard is still in the minimum this moment, and the sportsman continues to walk and can reach the third footboard, receives sportsman's trampling, and the activity footboard in the third footboard slightly rotates, and the activity footboard pushes down the one end of lever for the other end of lever rises and triggers tight second rope, and the spacing fly leaf is drawn to the second rope, makes spacing fly leaf and spacing lug separation, then first footboard rises under the effect of balancing weight.
Furthermore, the upright columns are channel steel, the side surfaces of the first pedals are provided with idler wheels, the idler wheels are positioned in grooves of the upright columns, and the first pedals are at least provided with two idler wheels which are arranged up and down corresponding to the grooves of each upright column; a plurality of gyro wheels can ensure that first footboard is in horizontal gesture all the time.
Furthermore, the number of fixed pulleys, balancing weight and first rope is two, and two fixed pulleys distribute in the both sides of first footboard, twine a first rope on every fixed pulley.
Furthermore, a guide wheel is arranged on the first pedal, and the first rope is connected with the first pedal after being guided by the guide wheel.
Furthermore, the rotating shaft of the fixed pulley is provided with a rotary damper, the damping size of the rotary damper can be adjusted, and the athlete and the first pedal can be ensured to fall slowly at a proper speed by adjusting the rotary damper.
For safety, a protective net is arranged between the upright posts, and guardrails are arranged on the steps.
Has the advantages that: (1) according to the leg training device, the slow descending mechanism is arranged on one side of the ladder, when the athlete reaches the highest level of the ladder, the athlete can stand on the first pedal in a striding mode, the athlete slowly falls to the ground along with the first pedal, the athlete does not need to go down the ladder by himself, and the problem that the athlete frequently goes down the ladder to damage knees is avoided. (2) The leg training device can realize the slow falling of the athlete without additional energy and power mechanisms, and has the advantages of no use cost, low manufacturing cost and low maintenance cost. (3) The leg training device is provided with the limiting mechanism and the unlocking mechanism, and the third pedal and the first pedal in the unlocking mechanism are separated by one pedal, so that the first pedal can rise after a sportsman completely leaves the first pedal, and the leg training device is convenient for the sportsman to use. (4) The leg training device uses channel steel as the upright post, so that the cost is low; the first pedal is provided with at least two rollers which are arranged up and down in the groove corresponding to each upright post, so that the first pedal is guaranteed to have a stable horizontal posture all the time.
Drawings
Fig. 1 is a front view of a leg exercise device of embodiment 1.
Fig. 2 is an enlarged view a of fig. 1.
Fig. 3 is a plan view of the first step and the pillar in embodiment 1.
Fig. 4 is a front view (another state) of the leg exercise device of embodiment 1.
Fig. 5 is an enlarged view B of fig. 4.
Fig. 6 is a sectional view a-a of fig. 5.
Fig. 7 is a state diagram after the third pedal is depressed in embodiment 1.
Wherein: 100. a step; 110. a guardrail; 200. a column; 300. a slow descending mechanism; 310. a first pedal; 311. a limiting bump; 320. a fixed pulley; 330. a balancing weight; 340. a first rope; 350. a guide wheel; 360. a roller; 400. a limiting mechanism; 410. a base frame; 420. a limiting movable plate; 430. a first spring; 440. a second rope; 500. an unlocking mechanism; 510. a second pedal; 520. a third pedal; 521. a movable pedal; 522. a base box; 523. a second spring; 524. a vertical limiting plate; 530. a lever; 600. and (4) a protective net.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example 1
As shown in fig. 1 to 7, the leg training device for athletic activities of track and field of the present embodiment includes a step 100, a vertical column 200, a descent control mechanism 300, a limiting mechanism 400, an unlocking mechanism 500, and a protection net 600;
the ladder 100 is the same as the common ladder in the prior art, can be constructed by common building materials, and can also be manufactured by steel plates or other materials, and the ladder 100 is provided with a guardrail 110;
the upright posts 200 are channel steel 210, the total number of the upright posts 200 is four, the upright posts 200 are erected on the ground and are close to the highest level of the ladder 100, and a protective net 600 is arranged between the upright posts 200;
the slow descending mechanism 300 includes a first pedal 310, a fixed pulley 320, a counterweight 330, a first rope 340, a guide wheel 350 and a roller 360, as shown in fig. 1 and 3, the roller 360 is disposed on a side surface of the first pedal 310, the roller 360 is disposed in a groove of the upright 200, and the first pedal 310 has two rollers 360 arranged up and down corresponding to the groove of each upright 200; the number of the fixed pulleys 320, the counterweight block 330 and the first rope 340 is two, the two fixed pulleys 320 are distributed on two sides of the first pedal 310, each fixed pulley 320 is wound with one first rope 340, the first rope 340 is wound on the fixed pulley 320, two ends of the first rope 340 are respectively connected with the counterweight block 330 and the first pedal 310, and when the counterweight block 330 falls to the ground, the first pedal 310 is flush with the highest position of the ladder 100; the first pedal 310 is provided with a guide wheel 350, and the first rope 340 is connected with the first pedal 310 after being guided by the guide wheel 350; a rotary damper is arranged at the rotating shaft of the fixed pulley 320;
the limiting mechanism 400 comprises a base frame 410, two limiting movable plates 420, a first spring 430 and a second rope 440, the number of the limiting movable plates 420 is two, the limiting movable plates 420 are hinged to the base frame 410, the first spring 430 is arranged between the limiting movable plates 420 and the base frame 410, and two ends of the second rope 440 are respectively connected with the two limiting movable plates 420; the limiting mechanism 400 is located right below the first pedal 310, a limiting protrusion 311 is disposed at the bottom of the first pedal 310, the limiting protrusion 311 is aligned with the limiting movable plate 420 in the vertical direction, and when the first pedal 310 moves to the lowest point, the limiting protrusion 311 is clamped below the limiting movable plate 420;
as shown in fig. 6, the unlocking mechanism 500 includes a second pedal 510, a third pedal 520 and a lever 530, the first pedal 310 at the lowest point is sequentially engaged with the second pedal 510 and the third pedal 520, the third pedal 520 includes a movable pedal 521, a base box 522, a second spring 523 and a limit vertical plate 524, one end of the movable pedal 521 is hinged to the base box 522, the limit vertical plate 524 and the second spring 523 are both mounted on the base box 522, the movable pedal 521 is kept horizontal by the second spring 523, and a gap is formed between the top of the limit vertical plate 524 and the movable pedal 521; the second pedal 510 is box-shaped, the lever 530 is located inside the second pedal 510 and is hinged with the second pedal 510, and two ends of the lever 530 are respectively located under the movable pedal 521 and the second rope 440.
When the leg training device of this embodiment is applied, the weight of the weight block 330 should be adjusted to be about 80% of the total weight of the athlete and the first pedal 310; the basic working principle of the embodiment is as follows:
(1) initially, the first pedal 310 is in the uppermost position as shown in fig. 1;
(2) after the athlete trains and reaches the highest level of the stairs 100, the athlete may stand on the first step 310 as shown in fig. 1, when the total weight of the athlete and the first step 310 exceeds the weight of the weight block 330, the athlete will slowly fall down to the ground with the first step 310, i.e., the first step 310 reaches the position shown in fig. 4; at this time, as shown in fig. 5, the limit protrusion 311 is snapped under the limit movable plate 420, and the entire first pedal 310 is locked;
(3) as shown in fig. 6, the athlete leaves the first tread 310 and first stands on the second tread 510, while the first tread 310 is still at the lowest point;
(4) as shown in fig. 7, when the athlete continues to walk to the third pedal 520, the movable pedal 521 in the third pedal 520 is slightly rotated by the athlete stepping on the third pedal, the movable pedal 521 presses one end of the lever 530, so that the other end of the lever 530 is lifted and triggers the tightened second rope 440, the second rope 440 pulls the limit movable plate 420 shown in fig. 5, so that the limit movable plate 420 rotates towards the middle and is separated from the limit bump 311, and then the first pedal 310 is lifted up under the action of the weight 330 and returns to the state shown in fig. 1.
Although the embodiments of the present invention have been described in the specification, these embodiments are merely provided as a hint, and should not limit the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit of the invention and are intended to be within the scope of the invention.
Claims (10)
1. A leg training device for track and field sports, characterized in that: comprises a ladder (100), a vertical column (200) and a slow descending mechanism (300));
the vertical column (200) is erected on the ground, the descent control mechanism (300) comprises a first pedal (310), a fixed pulley (320), a balancing weight (330) and a first rope (340), the first pedal (310) is installed on the vertical column (200) and can move up and down along the vertical column (200), the first rope (340) is wound on the fixed pulley (320), two ends of the first rope are respectively connected with the balancing weight (330) and the first pedal (310), and the first pedal (310) is flush with the highest position of the ladder (100) when the balancing weight (330) falls to the ground.
2. The leg training device for athletics of claim 1, wherein: the limiting mechanism (400) comprises a base frame (410), two limiting movable plates (420), a first spring (430) and a second rope (440), the number of the limiting movable plates (420) is two, the limiting movable plates (420) are hinged to the base frame (410), the first spring (430) is arranged between the limiting movable plates (420) and the base frame (410), and two ends of the second rope (440) are respectively connected with the two limiting movable plates (420);
the limiting mechanism (400) is located right below the first pedal (310), a limiting lug (311) is arranged at the bottom of the first pedal (310), the limiting lug (311) is aligned with the limiting movable plate (420) in the vertical direction, and when the first pedal (310) moves to the lowest point, the limiting lug (311) is clamped below the limiting movable plate (420).
3. The leg training device for athletics of claim 2, wherein: the unlocking mechanism (500) comprises a second pedal (510), a third pedal (520) and a lever (530), the first pedal (310) at the lowest point is sequentially connected with the second pedal (510) and the third pedal (520), the third pedal (520) comprises a movable pedal (521), a basic box body (522), a second spring (523) and a limiting vertical plate (524), one end of the movable pedal (521) is hinged with the basic box body (522), the limiting vertical plate (524) and the second spring (523) are both mounted on the basic box body (522), the movable pedal (521) is kept horizontal by the second spring (523), and a gap is reserved between the top of the limiting vertical plate (524) and the movable pedal (521); the second pedal (510) is in a box shape, the lever (530) is positioned inside the second pedal (510) and is hinged with the second pedal (510), and two ends of the lever (530) are respectively positioned below the movable pedal (521) and the second rope (440).
4. The leg training device for athletics of claim 3, wherein: stand (200) are the channel-section steel, the side of first footboard (310) is provided with gyro wheel (360), and gyro wheel (360) are located the recess of stand (200).
5. The leg training device for athletics of claim 4, wherein: the first pedal (310) is provided with at least two rollers (360) which are arranged up and down in the groove corresponding to each upright post (200).
6. The leg training device for athletics of claim 5, wherein: the number of the fixed pulleys (320), the balancing weights (330) and the first ropes (340) is two, the two fixed pulleys (320) are distributed on two sides of the first pedal (310), and one first rope (340) is wound on each fixed pulley (320).
7. The leg training device for athletics of claim 6, wherein: the first pedal (310) is provided with a guide wheel (350), and the first rope (340) is connected with the first pedal (310) after being guided by the guide wheel (350).
8. The leg training device for athletics of claim 7, wherein: and a rotary damper is arranged at the rotating shaft of the fixed pulley (320).
9. The leg training device for athletics of claim 1, wherein: and a protective net (600) is arranged between the upright posts (200).
10. The leg training device for athletics of claim 1, wherein: a guardrail (110) is arranged on the ladder (100).
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| CN202110371270.3A CN112999602B (en) | 2021-04-07 | 2021-04-07 | Leg training device for track and field sports |
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|---|---|---|---|
| CN202110371270.3A CN112999602B (en) | 2021-04-07 | 2021-04-07 | Leg training device for track and field sports |
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| CN112999602B CN112999602B (en) | 2022-03-25 |
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| CN107519630A (en) * | 2017-08-24 | 2017-12-29 | 枣庄学院 | Multi-functional expansion combines the unit with teaching and training |
| CN107419878A (en) * | 2017-09-28 | 2017-12-01 | 许凯 | Passway for escaping and building |
| CN108217396A (en) * | 2018-01-30 | 2018-06-29 | 南通知航机电科技有限公司 | A kind of novel tracking-driven elevator |
| CN208377611U (en) * | 2018-02-02 | 2019-01-15 | 尊道（上海）自动化设备有限公司 | Four-way walking promotes the container hoisting mechanism that warehouse trucks are carried in logistics |
| CN208182517U (en) * | 2018-04-24 | 2018-12-04 | 无锡职业技术学院 | A kind of new type of ship prompt drop device |
| CN108466973A (en) * | 2018-04-27 | 2018-08-31 | 无锡德林防务装备股份有限公司 | A kind of Manual lifting platform |
| CN208345687U (en) * | 2018-04-27 | 2019-01-08 | 无锡德林防务装备股份有限公司 | A kind of Manual lifting platform |
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| CN108560965A (en) * | 2018-05-29 | 2018-09-21 | 山东萃智机械科技有限公司 | The horizontal infeed double-deck garage of formula is drawn high without evacuation unregulated power |
| CN108386034A (en) * | 2018-05-29 | 2018-08-10 | 山东萃智机械科技有限公司 | The longitudinal longitudinal feed double-deck garage of formula is drawn high without evacuation unregulated power |
| US20190389697A1 (en) * | 2018-06-22 | 2019-12-26 | Marvin M. May | Low-cost home lift |
| CN208966191U (en) * | 2018-09-14 | 2019-06-11 | 英特尔产品（成都）有限公司 | A kind of safety is ascended a height station |
| CN211920757U (en) * | 2018-12-20 | 2020-11-13 | 河南实拓实业有限公司 | Lifting device |
| CN110295735A (en) * | 2019-06-05 | 2019-10-01 | 安徽东昌建设工程有限公司 | A kind of lifting platform of building construction |
| CN210583508U (en) * | 2019-07-03 | 2020-05-22 | 本溪市商贸服务学校 | Training ladder |
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| CN211752121U (en) * | 2019-12-19 | 2020-10-27 | 北京体育大学 | Combined type simulation training diving tower for diving platform skiing |
| CN212416805U (en) * | 2020-03-25 | 2021-01-29 | 连云港市第二人民医院(连云港市临床肿瘤研究所) | Stair of supplementary parkinson disease patient gait training |
| CN212558418U (en) * | 2020-07-01 | 2021-02-19 | 广州丰铁汽车部件有限公司 | Unpowered automatic lifting mechanism |
| CN112225030A (en) * | 2020-11-30 | 2021-01-15 | 上海雅珂贸易有限公司 | Elevator device capable of escaping in emergency |
| CN112224935A (en) * | 2020-12-10 | 2021-01-15 | 万邑通(潍坊)信息科技有限公司 | Portable auxiliary unloading equipment for logistics |
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