Jumping stand is used in sports training
Technical Field
The utility model relates to a sports training equipment field specifically is a jumping stand is used in sports training.
Background
Along with the improvement of comprehensive national power of China, the improvement of physical quality also becomes the important aspect of showing the national strength and measuring the happiness index of people when stepping into the well-being society, as the big sports country, China leaps out a great deal of sports officials competing for the country in recent years, the cultivation of the sports officials cannot leave the training of athletes without suffering from the arduous training, and the training arrangement of coaches is scientific and reasonable, and meanwhile, sports equipment with excellent performance provides inefficient assistance for the athletes to reasonably and scientifically improve the self level, for example, the daily training of the high jump athletes cannot leave the help of high jump stands.
Traditional high jump training frame generally comprises two stands, is equipped with the horizontal pole on the stand and holds in the palm, needs the manual height of adjusting two stands in proper order when adjusting training frame horizontal pole height, and the high jump score must be in the minute fight, often can lead to the horizontal height at horizontal pole both ends inconsistent because of artificial debugging mistake, causes the score error.
The cross bar support is fixed on the stand, and the high jump of the high jump athlete can not hit the cross bar enough, and under the oppression of the self gravity of the athlete, the cross bar is often stressed to bounce on the fixed cross bar support, possibly causing injury to the athlete.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a jumping stand is used in sports training to the people who provides in solving above-mentioned background art lead to the horizontal pole both ends level height inconsistent to cause score error and horizontal pole meeting atress to bounce the problem that probably causes the injury to the sportsman on fixed horizontal pole support.
In order to achieve the purpose, the utility model provides a jumping stand for physical training, which comprises a supporting outer column, a base and a telescopic outer rod, wherein a power box body is welded at the bottom end of the supporting outer column, a bidirectional servo motor is installed inside the power box body, transmission rods are welded at the output ends of the two ends of the bidirectional servo motor, bevel gears are welded at the other end of the transmission rods, four guide rail rods are installed inside the supporting outer column, a lead screw is connected with the bearing inside the supporting outer column, a slider is sleeved outside the lead screw, a supporting inner column is installed at the top end of the slider, a graduated scale is installed at one side of the supporting inner column, a second stabilizer bar is welded at the top end of one side of the supporting inner column, a first stabilizer bar is hinged at the top end of the second stabilizer bar, a cross bar support is installed at the top end of the first stabilizer bar, and a glass, the telescopic outer pole is internally welded with a spring, the top end of the spring is welded at the bottom end of the telescopic inner pole, and the base is welded at the bottom end of the outer side of the supporting outer pole.
Preferably, the jumping stand for physical training is characterized in that: the slider and the support inner column are welded into an integral structure, and the side length of the slider is equal to that of the support inner column.
Preferably, the bidirectional servo motor forms a transmission structure through the transmission rod and the bevel gear, and the bevel gear at one end of the transmission rod is meshed with the bevel gear at the bottom end of the screw rod.
Preferably, the guide rail rods are parallel to the screw rod, and the four guide rail rods are distributed in a rectangular shape by taking the screw rod as the center.
Preferably, the length of the first stabilizer bar is greater than that of the second stabilizer bar, and the two first stabilizer bars and the two second stabilizer bars are hinged to each other to form a rectangle.
Preferably, second stabilizer bar, first stabilizer bar and horizontal pole hold in the palm and constitute the structure of kick-backing through spring, flexible outer pole and flexible interior pole, and the length of flexible inner pole plus the length of flexible outer pole be greater than the length of first stabilizer bar plus the length of second stabilizer bar.
Compared with the prior art, the beneficial effects of the utility model are that: the high jump stand for physical training is provided with a plurality of high jump stands,
1. the transmission structure is formed by a bidirectional servo motor, a transmission rod and bevel gears, and through the transmission structure, simultaneous rotation control of the bidirectional servo motor on two groups of screw rods is realized, so that two supporting inner columns are lifted simultaneously, the horizontal heights of two ends of a glass fiber cross rod are ensured to be consistent, and the problem of performance errors caused by inconsistent horizontal heights of two ends of the cross rod due to manual debugging errors is solved;
2. the rebound structure is formed by the second stabilizer bar, the first stabilizer bar, the cross bar support, the spring, the telescopic outer bar and the telescopic inner bar, and the rebound structure ensures that the glass fiber cross bar can smoothly press down the cross bar support when being stressed, so that the glass fiber cross bar smoothly slides down along the cross bar support in an inclined manner, the glass fiber cross bar cannot rebound, and the problem that the athlete is possibly injured when the cross bar is stressed and bounces on the fixed cross bar support is solved;
3. through the arrangement that the four guide rail rods are parallel to each other and are centrosymmetric by taking the screw rod as the center, the slide block is ensured to rotate and rise along with the screw rod, and meanwhile, the slide block cannot rotate in the horizontal direction, so that the stability of the device is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of a front cross-section structure of the screw rod of the present invention;
FIG. 3 is the utility model discloses the guide rail pole structural sketch of cutting open
FIG. 4 is a schematic side view of the present invention;
fig. 5 is an enlarged schematic view of a portion a of fig. 4 according to the present invention.
In the figure: 1. a support outer column; 2. supporting the inner column; 3. a graduated scale; 4. a fiberglass cross-bar; 5. a cross bar support; 6. a base; 7. a power box body; 8. a screw rod; 9. a slider; 10. conical teeth; 11. a bidirectional servo motor; 12. a transmission rod; 13. a guide rail rod; 14. a first stabilizer bar; 15. a spring; 16. a telescopic outer rod; 17. a second stabilizer bar; 18. a telescopic inner rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a jumping stand for physical training comprises a supporting outer column 1, a supporting inner column 2, a graduated scale 3, a glass fiber cross rod 4, a cross rod support 5, a base 6, a power box 7, a screw rod 8, a slide block 9, bevel teeth 10, a bidirectional servo motor 11, a transmission rod 12, guide rail rods 13, a first stabilizer rod 14, a spring 15, a telescopic outer rod 16, a second stabilizer rod 17 and a telescopic inner rod 18, wherein the power box 7 is welded at the bottom end of the supporting outer column 1, the bidirectional servo motor 11 is installed inside the power box 7, the transmission rods 12 are welded at the output ends of the two ends of the bidirectional servo motor 11, the bevel teeth 10 are welded at the other end of each transmission rod 12, four guide rail rods 13 are installed inside the supporting outer column 1, the bearing inside of the supporting outer column 1 is connected with the screw rod 8, the slide block 9 is sleeved outside the screw rod 8, the supporting inner column 2 is installed at the top end of the slide block 9, the welding of the top of 2 one sides in the support inner prop has second stabilizer bar 17, and the top of second stabilizer bar 17 articulates there is first stabilizer bar 14, and first stabilizer bar 14 top is installed the crossbar and is held in the palm 5, and the top that the crossbar held in the palm 5 is provided with glass fiber horizontal pole 4, and 16 internal welding of flexible outer pole has spring 15, and the welding of spring 15 top is in the 18 bottom in flexible, and the welding of base 6 is in the bottom that supports the outer prop 1 outside.
Slider 9 and support inner prop 2 welding formula structure as an organic whole, and the length of a side of slider 9 equals the length of a side of supporting inner prop 2, has strengthened the stability of jumping stand through slider 9 and the integral type structure of supporting inner prop 2.
Two-way servo motor 11 constitutes transmission structure through transfer line 12 and awl tooth 10, and the awl tooth 10 of transfer line 12 one end and the awl tooth 10 intermeshing of 8 bottoms of lead screw, through transmission structure, realized two-way servo motor 11 to two sets of lead screw 8 rotation control, and then realized two spinal branchs of going up and down simultaneously and support inner prop 2, play stabilising arrangement, guarantee that glass fiber horizontal pole 4 can not lead to both ends level to be inconsistent because of artificial debugging mistake.
The guide rail rods 13 are parallel to the screw rod 8, the four guide rail rods 13 are distributed in a rectangular mode by taking the screw rod 8 as the center, and the four guide rail rods 13 are parallel to each other and are arranged in a centrosymmetric mode by taking the screw rod 8 as the center, so that the slide block 9 can not rotate in the horizontal direction when rotating and rising along with the screw rod 8, and the stability of the device is improved.
The length of first stabilizer bar 14 is greater than the length of second stabilizer bar 17, and two first stabilizer bar 14 and two second stabilizer bar 17 articulate each other into the rectangle, through two first stabilizer bar 14 and second stabilizer bar 17 articulate each other, have made things convenient for the rectangle that constitutes to carry out nimble deformation.
Second stabilizer bar 17, first stabilizer bar 14 and crossbar support 5 and pass through spring 15, flexible outer pole 16 and flexible interior pole 18 constitute the structure of kick-backing, and the length of flexible interior pole 18 plus the length of flexible outer pole 16 be greater than first stabilizer bar 14 plus the length of second stabilizer bar 17, through the setting of the structure of kick-backing, guaranteed that glass fiber horizontal pole 4 inclines smoothly when receiving power and slides down, can not lead to glass fiber horizontal pole 4 to kick-back the injury sportsman because of the fixed of crossbar support 5 and the elasticity of glass fiber horizontal pole 4 itself.
The working principle is as follows: according to the figures 1, 2 and 3, when the jumping stand for physical training is used, firstly, the switch of the bidirectional servo motor 11 is turned on by hand, the bidirectional servo motor 11 in the power box 7 drives the transmission rods 12 at two ends to rotate through the output end, the transmission rods 12 drive the bevel teeth 10 to rotate, and the lead screw 8 is driven to rotate through the meshing of the two bevel teeth 10, the slide block 9 is driven to upwards slide along the guide rail rod 13 while the lead screw 8 rotates, the guide rail rod 13 drives the supporting inner column 2 to upwards move, when the scale display height of the graduated scale 3 reaches the designated height, the switch of the bidirectional servo motor 11 is turned off, the base 6 is distributed around the supporting outer column 1, and the stability of the jumping stand is improved.
Referring to fig. 2, 4 and 5, the glass fiber cross bar 4 is horizontally placed on the cross bar support 5 by hand, when the athlete jumps and does not go over the glass fiber cross bar 4, the body of the athlete presses the glass fiber cross bar 4, the glass fiber cross bar 4 presses down the cross bar support 5, the cross bar support 5 and the first stabilizer bar 14 rotate around the hinged joint of the first stabilizer bar 14 and the second stabilizer bar 17 under the action of pressure, the outer telescopic bar 16 and the inner telescopic bar 18 are stretched, the outer telescopic bar 16 and the inner telescopic bar 18 stretch the spring 15, the cross bar support 5 tilts downwards at the moment, the glass fiber cross bar 4 and the body of the athlete slide downwards along the cross bar support 5, and do not bounce, after the glass fiber cross bar 4 leaves the cross bar support 5, the outer telescopic bar 16 and the inner telescopic bar 18 retract under the pulling of the spring 15, the outer telescopic bar 16 and the inner telescopic bar 18 pull the first stabilizer bar 14, The second stabilizer bar 17 and the crossbar bracket 5 are returned to the original position.
Those not described in detail in this specification are within the skill of the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.