185 results about "Track and field athletics" patented technology

The invention discloses an athlete athletic injury risk early warning method. On the bases of reference to models provided by foreign scholars and comprehensive analysis of track and field athlete athletic injury factors, a track and field athlete motion injury risk early warning injury factor dynamic chain model is provided, based on the model, corresponding factors are selected from an athlete risk early warning database, and a track and field athlete motion injury risk early warning injury factor dynamic chain quantitative model is established through the analytic hierarchy process. Index data are discretized according to an SOM neutral network discretization method, a decision table is simplified according to a method based on a discernibility matrix in a rough set, an RBF neutral network is established based on the simplified decision table, the RBF neutral network is trained, and finally a correct diagnosis result is acquired. By the adoption of the method, accurate early warning can be conducted on athletic injuries, the athlete athletic injury risk grade is effectively predicted, and treatment and prevention of the athletic injuries are facilitated.

The invention discloses a sports ground-used nanometer environmental-friendly type polyurethane paving material and a preparation thereof, and the paving material consists of A component, B component, black rubber particles and a catalyst; the A component is: diisocyanate: 20 to 50 percent; polyether polyol: 40 to 70 percent and a nanometer additive: 5 to 25 percent; the B component is: polyether polyol : 20 to 40 percent ; processing aid: 5 to 25 percent; nanometer additive: 0.1 to 5 percent; fillings: 40 to 70 percent, pigments: 0.1 to 2.0 percent; ultraviolet absorbent: 0.01 to 0.1 percent and antiaging agent: 0.01 to 0.1 percent, wherein, the weight proportion of the A component and the B component is 1:3 to 5, the black rubber particles account for 20 percent in the sum weight of the A composition and the B component, the catalyst accounts for 0.15 percent in the sum weight of the A composition and the B component. The preparation method is that, the A component and the B component are mixed according to the weight proportion of 1:3 to 5 of the A component and the B component, then the black rubber particles, the amount of which accounts for 25 percent in the sum weight of the A composition and the B composition are added, and after uniform mixing, zinc iso-octoate, the amount of which accounts for 0.15 percent in the sum weight of the A composition and the B composition are added, and then the track and field runway paving-used polyurethane elastomers are prepared after stirring and polymerization and solidification. The sports ground-used nanometer environment-friendly type polyurethane paving material takes low poisonous and high activity MDI as raw material and leads the environment-friendly property of the paving materials of plastic sports runways and sports playing courts to reach the international standard, and improve various physical index of products obviously.

A protective cover for a shoe having cleats including a front end, an opposing rear end, an upper which extends from the front to the rear end, a bottom extending rearwardly from the front end, an approximate midpoint of the cover where the bottom terminates, a cavity formed into the bottom for receiving a cleat disposed on a forward part of the shoe and for receiving an insert configured to engage and contact a cleat of the shoe, where the upper extends around and over a portion of a toe area of the shoe, and where the upper extends from the midpoint rearward around a heel area of the shoe to delimit an opening in the cover adjacent to the bottom and rearward of the midpoint through which a portion of the shoe extends when the cover is worn.

A track and field arena having internationally approved performing areas enabling the same event to take place, even simultaneous, at more than one station. The arena has an oval track with at least six lanes, at least two straightaway tracks each having at least six lanes, at least two high jump stations and at least two long jump/triple jump located so that all can be utilized without interfering with other events. Two out-of-oval shot put stations are also provided. The arena roof design has no forward support pillars that could make viewing the ongoing events difficult for some spectators.

The invention discloses a leg strength training device for track and field athletes. The leg strength training device comprises a base and a damping seat and is characterized in that a rotary wheel is arranged on a support, pedals are arranged on the front and rear sides of the rotary wheel, a water tank is arranged on the right of the upper side of a support plate, a rotary shaft is arranged in the water tank, the outer end of the rotary shaft extends out of the water tank and is provided with a driven wheel, the driven wheel is connected with the rotary wheel through a belt, the rotary shaft is further provided with fan blades located in the water tank, an exhaust pipe is arranged at the upper end of the water tank, the damping seat comprises a support seat, a groove is formed in the upper side of the support seat, a clamp groove is formed in the periphery of the groove, an elastic steel plate is mounted on the upper portion of the groove through the clamp groove, a U-shaped cushion is arranged between the lower side of the elastic steel plate and the groove and provided with a plurality of cavities, damping springs are arranged in the cavities, a rubber pad is arranged in a gap between the elastic steel plate and the U-shaped cushion, and damping pads are arranged at the left and right ends of the rubber pad. The leg strength training device is simple in structure, convenient to use, high in comfortableness, low in cost and convenient to maintain.

The invention relates to the technical field of leg training devices, and discloses a leg training device for athletes in track and field, the leg training device comprises an equipment body, and support legs are fixedly mounted on the left and right sides of the bottom of the equipment body. According to the leg training device for athletes in track and field, a tightening bolt is arranged on thelimiting seat; when the weight of the counterweight box needs to be adjusted; firstly, the tightening bolt is screwed off and the rotating rod is rotated in the opposite direction, and the cover plate can be opened, the counterweight blocks in the counterweight box are increased or decreased; by adjusting the weight of the counterweight, the cover plate is covered and the tightening bolt is locked; an athlete only needs to sit on the cushion, the two feet step on the pedal plates, the pedal plates are pedaled forcefully, the movable sleeve rods drive the pedal plates and the whole counterweight box to slide up and down in the direction of the connecting rods, high-strength training can be conducted on the leg strength of an athlete, the leg strength of the athlete can be effectively trained, and the practicability of the leg strength training device is greatly improved.

The invention discloses a track-and-field-ground-type plane circulating garage which comprises a parking space selector, a power rotating disc, circulating parking spaces, central rotating disc parking spaces, free dispatching parking spaces, transitional parking spaces and a circulating track. The power rotating disc, the central rotating disc parking spaces and the transitional parking spaces are arranged inside the circulating track. The circulating parking spaces and the free dispatching parking spaces are mounted on the circulating track, and the power rotating disc, the central rotatingdisc parking spaces and the transitional parking spaces are arranged among the circulating parking spaces. The circulating parking spaces are connected into a whole through parking space connecting rods and driven by the power rotating disc to rotate. The track-and-field-ground-type plane circulating garage is used for communities with parking space shortage, and the problem of difficult parking is solved.

The invention provides an environment-friendly track and field runway. The environment-friendly track and field runway is prepared from the main raw materials of 58-62% of Pvc paste resin, 35-39% of dioctyl terephthalate, 1-3% of a calcium-zinc stabilizer and 0.5-2% of azodicarbonamide. The invention further provides a preparation method of the environment-friendly track and field runway. Four substances are mainly adopted for matching, the environment-friendly track and field runway has the advantages of being good in damping effect, excellent in rebounding performance, large in adhesive force, high in spike resisting capability, good in slip resistance and wear resistance and the like and can be widely applied to pavement materials for athletic grounds, and the maintenance frequency can be reduced in application of the environment-friendly track and field runway.

An athletic aid specially designed for track and field participants. Design intent is to provide a simple yet effective tool in improving starting techniques and increasing speed when coming out of starting blocks. Resistance means is provided. Further, proper muscle memory is promoted via a chin.

An in-laid athletic floor and a method of installing an in-laid athletic floor are presented herein. Particularly, the athletic floor is constructed of a plurality of sections comprising an at least partially resilient rubber material and is generally used for athletic activities, including, for example, a number of track and field events, such as running, relay events, hurdles, long jump, triple jump, etc. Specifically, the floor includes a plurality of main floor sections with cut-out gaps or openings there between, and insert floor sections disposed or otherwise in-laid within the gaps or openings. The insert floor sections are positioned within the floor in order to represent or denote various game markings, such as track lane partitions, lane numbering, start and finish lines, relay lines, etc.

The invention discloses a track and field competition rank forecasting method and device. The method includes the steps: acquiring position information and the current running speed of a user and thecompetition path of a track and field competition; calculating estimated running time needed by the user finishing running of the remaining path according to the position information, the current running speed and the competition path; determining the forecasted rank of the user according to the estimated running time. According to the technical scheme, the estimated running time needed by the user finishing running of the remaining path at the current running speed can be calculated by acquiring the position information and the current running speed of the user and the competition path of thetrack and field competition when the user competes according to the preset competition path, the rank of the user can be simply and rapidly forecasted only by estimating the running time as competition starting time is the same, namely, current time is the same, the problem of incapability of forecasting the rank of a player in the competition is effectively solved, and the rank in the track andfield competition can be forecasted.

The invention discloses an automatic road which comprises a roadbed, a rail and an automatic road surface, wherein the roadbed takes the shape of a track and field match field runway, the rail adopts a ring-shaped enclosed structure and is paved on the roadbed along the roadbed, the automatic road surface is formed by a plurality of panels connected in sequence front and back, and forms a rail-shaped enclosed structure as same as that of the rail, a power driven wheel rolling along the rail is arranged below each panel, and the automatic road surface is driven by the power driven wheel to automatic operate at a constant speed along the rail. The automatic road, disclosed by the invention, is used for pedestrians to ride, is more convenient and quicker than the driving, also lowers the travel cost of people greatly, and causes most people traveling in the city not to drive, so that the vehicles on the roads of the city are reduced greatly, non-renewable primary energy such as petroleum and natural gas are saved largely, and the ecological environment and the benign development of continuity are facilitated. The automatic road has good practicability and higher popularization and application value, is low in operation cost, saves energy, reduces consumption, and is worthy of being strongly advocated and applied.

The present invention relates to a distance measuring device for measuring athlete throws in a throwing event at a track and field meet. The device is setup in a position outside a throwing circle and a landing area for the event being measured and is aimed at a target placed at a landing position of a thrown object. The present invention also relates to a method of using a distance measuring device to measure athlete throws in a throwing event at a track and field meet from a position outside of a throwing area and a landing area for a event being measured by aiming the device at a target placed at the landing position of a thrown object. The present invention further relates to a method of using a laser distance measuring device to determine the height of a cross bar in a leaping event at a track and field meet.

The invention relates to the technical field of sports, and discloses a track and field training device. The device comprises a main plate, connecting plates are fixedly connected to the two sides ofthe main plate, fixing frames are fixedly connected to the corresponding surfaces of the two connecting plates, and the ends, located in the fixing frame, of the two rotating shafts are fixedly connected with a mounting disc A and a mounting disc B correspondingly. As the mounting disc A is arranged, laser can be emitted in the operation process of a conveying belt, the hurdle plate of hurdle motion is simulated by utilizing the motion trail of laser, and therefore, a user can perform hurdle-type track and field training on the conveying belt; compared with an existing hurdle training device,the effect that hurdle training is not limited by places is achieved; compared with an existing common hurdle plate, laser used for hurdle training does not generate a substantial collision effect ona user, damage to the body of the user due to collision is avoided, the interval of each hurdle can be changed according to the rotating speed of a transmission shaft of a rotating motor, the trainingintensity can be conveniently adjusted, and cost can be reduced.

The invention provides a preparation method of a cork wood ground system for sports places. The preparation method comprises the following steps: (1) preparing cork wood granules by using phellem or oak bark as a raw material; (2) mixing the cork wood granules with single-component polyurethane glue; (3) spreading a mixture obtained in step (2) on foundation ground. The invention also provides thecork wood ground system prepared through the preparation method. The cork wood ground system provided by the invention adopts pure ecological cork wood granules, is environmentally friendly, has no peculiar smell and is suitable for physical exercise places such as a basketball court, a badminton court, a volleyball court, a playground, a footpath, a path, a children's playground, a sports instrument zone, a fitness room, a track-and-field ground track, a retirement home, a plaza and an indoor activity room.

The invention relates to straightening equipment, in particular to track-and-field sprint belt straightening equipment. The track-and-field sprint belt straightening equipment can make workers more relaxed and can prevent tilting of a sprint belt. The track-and-field sprint belt straightening equipment comprises supports, sliding rods, sliding sleeves, holding rods, connecting blocks, swing rods,first springs and the like; the middles of the tops of the supports on the front and rear sides are in bolt connection with the sliding rods with a guiding function, the sliding sleeves are slidably arranged on the sliding rods, the holding rods are fixedly connected to the right sides of the sliding sleeves, and two connecting blocks are arranged on the left sides of the sliding sleeves respectively; the swing rods are rotationally connected to the upper parts of the front sides of the two connecting blocks. According to the equipment, the sprint belt can be clamped by movable clamp plates, so that the workers do not need to pull the sprint belt all the time, and the workers can be more relaxed; the sprint belt can be fixed through a fixing mechanism, so that the sprint belt is preventedfrom tilting.

The invention discloses an intelligent running lap counting system comprising a counting control module, a lap trigger, a card reader and a vidicon, wherein the lap trigger is fixedly arranged on the body of a runner; both the card reader and the vidicon are fixedly arranged on a start point or an end point of a running playground; the card reader and the vidicon are connected to the counting control module; the card reader is used for reading a data signal which is generated when the lap trigger passes through the card reader, and transmitting the data signal to the counting control module through a data line; the vidicon is used for keeping each athlete image, and facilitating image reproduction and verification. The intelligent running lap counting system disclosed by the invention has the characteristics of being simple to operate, convenient to use, reliable to operate, high in precision and the like, and specifically the intelligent running lap counting system guarantees the high-precision timing in modern track-and-field events.

The invention discloses a track and field hurdle frame structure with a protective effect. The track and field hurdle frame structure comprises a pair of support legs with the same structure, a pair of support sleeves with the same structure and a cross beam, wherein the pair of support sleeves are mounted at one ends of the pair of the support legs, and are rotatably connected with the supportinglegs respectively; the cross beam is disposed between the pair of the support sleeves; a folding storage mechanism is arranged between the pair of support legs and between the pair of support sleevesseparately; and a flexible buffering mechanism is arranged on the cross beam. A folding type supporting mechanism is designed, so that folding and storage can be performed between the support legs and the support sleeves; meanwhile, an adjustable lifting mechanism is arranged in the support sleeves, so that the cross beam can be adjusted in multiple heights, and by being matched with a flexible buffering protection mechanism on the cross beam, the injury to the legs of a user caused by collision on the cross beam in the using process is avoided to the greatest extent, the structure is simpleand stable, and the use is rapid and convenient.

The invention discloses a plastic ground paving material. The plastic ground paving material is prepared from polyoxypropylene ether triol, polyoxypropylene ether diol, calcium carbonate, iron red, a plasticizer, white carbon black, a catalyst and an appropriate amount of a stabilizing agent. The grinded and dehydrated raw materials, a dehydrated and TDI-mixed polyether, and a stabilizing agent are mixed and the mixture is utilized for paving and then is cured. Compared with the prior art, the plastic ground paving material has the advantages of good elasticity, wear resistance, aging resistance, skid resistance, no weather condition influence, no competition season limit, small daily maintenance cost and management convenience, can improve athlete scores, can reduce sport injuries, is mainly utilized for paving of floors of a track and field runway, a court, a gymnasium, a meeting room, an instrument room, a steamship, a train and an automobile, and can also be utilized as a material for leaking prevention and stoppage of roof parts such as roof garden floors and swimming pool waterproof layers.

The invention relates to the technical field of sports equipment, and discloses an indoor track and field leg training device. The indoor track and field leg training devicecomprises a base, the top of the base is provided with a backup plate and an installation plate in a splicing mode,the left side of the installation plate is provided with a screw in a penetrating and inserting mode,the installation plate is provided with a screw hole corresponding to the screw,the right side of the screw is connected with a top plate through a bearing,a compression spring is movably mounted on the right side of the top plate,a pedal plate is movably mounted on the right side of the compression spring,and the back face of the installation plate is fixedly connected with a side plate. According to the indoor track and field leg training device, by installing racks on the back face of the pedal plate, during using, an athlete repeatedly pedal the pedal plate with both feet, and the pedal plate slidesfrom left to right on the base,when the athlete pushes the pedal board out and is suddenly exhausted, the compression spring restores a normal position quickly, the pedal plate is pushed to move to the right, the pedal plate drives the racks to slide to the right through a sliding rod, and the racks drives a rotary rod to rotate counterclockwise quickly through a gear.

The invention discloses an angle adjusting device for a foot plate of a starting block, which comprises a foot seat, wherein the foot seat is provided with at least two adjusting grooves; one end of the foot plate is hinged with the foot seat; the rear side of the foot plate is hinged with the upper end of a support; the lower end of the support is provided with an adjusting shaft positioned in the adjusting groove; a spring piece is arranged between the rear side of the foot plate and the upper end of the support; and one end of the spring piece is fixedly connected with the rear side of the foot plate, while the other end is pressed on the surface of an adjusting lug boss of an upper crossbeam at the upper end of the support, so that the support is always applied with downward and inward pressure. The angle adjusting device for the foot plate of the starting block can be widely applied to track-and-field sports; and the spring piece is hidden on the rear side of the foot plate and cannot be contacted with the hands of an operator, so the spring piece cannot catch the fingers of the operator.

The invention belongs to the field of construction of floors of outdoor sports places, and particularly relates to a polyurethane compression-tolerant floor structure and a construction method thereof. The polyurethane compression-tolerant floor structure is provided with a layer of aluminum plastic plate around track and field equipment, a rigid base layer and a gypsum-based leveling layer are paved at the periphery of the aluminum plastic plate from bottom to top, and a polyurethane elastic material intermediate coating and a water borne polyurethane top coating are arranged above the aluminum plastic plate and the gypsum-based leveling layer. The structure disclosed by the invention can effectively relieve the heavy pressure of track and field equipment to the floor during use, and the hollowing and cracking of the floor around the track and field equipment is avoided.

The invention discloses a warm-up device used before a track and field competition. The warm-up device includes a bottom plate, two supporting columns are welded to the top, close to the two sides, ofthe bottom plate, the tops of the two supporting columns are welded to a top plate, and the corresponding sides of the two supporting columns are welded to two U-shaped frames. According to the warm-up device, a second cone wheel can be driven to rotate through a driving motor, so two first cone wheels drive two gears to rotate through two straight-rods, due to the fact that the gears are connected with the two U-shaped frames in a meshed mode, a leg-pressing beam can up-down move on the U-shaped frames, warming-up can be conducted by lifting legs of an athlete, the bending of athlete body isnot required, the using is convenient, the athlete can warm up arms by holding pulling rings and lifting the body upwards, a hand-wheel can be rotated, so two splints move away from each other, unfasten the fixation of a bearing plate, the athlete can hold the pulling rings, twists the body, so a round block rotates in the bottom plate, the waist of the athlete is warmed up, and the bending of the body is not required

The invention provides a ligament changing traction device based on track and field training, relates to the technical field of physical training equipment, and solves the problem that ligament stretching in various modes cannot be realized through structural improvement. The problems that a sliding structure is prone to collision, collision protection of the sliding structure cannot be achieved through structural improvement, and normal sliding of the sliding structure is not affected after the protection structure is collided are solved. The ligament changing traction device based on track and field training comprises a sliding seat structure; a stretching structure is installed on the sliding seat structure, and a graduated scale is further installed on the sliding seat structure. Through arrangement of a through hole and a baffle, the through hole is formed in a sliding plate, and the through hole is of a rectangular hole-shaped structure; and the through hole is slidably connected with the baffle and is not in contact with the top end face, the bottom end face, the left end face and the right end face of the baffle, and therefore the situation that sliding of the sliding plate is blocked due to slight deformation of the baffle can be prevented.