45 results about "Vertical jumping" patented technology

Systems and methods for determining athletic attributes are disclosed. Aspects of this disclosure relate to determining athletic attributes of an athlete from image data. One or more determinations may be based alterations of image data between different images, such as alterations in pixels representing objects or portions of objects. Image data may be utilized to determine whether certain thresholds are met. Various threshold levels may be applied to one or more objects represented in the image data. Landmarks / distance calibrations may be utilized from time-stamped image data to allow for precise measuring of performance (including, but not limited to: sprint or agility times, flight time for vertical jump, distance for throws). Data retrieved or derived from the image data may be used in scoring and / or ranking athletes. Such data may be used to provide training advice or regimes to the athletes or other individuals, such as coaches or trainers.

An exercise device having position verification feedback capabilities. In one embodiment, the exercise device generally includes a base unit defining a support surface, at least two position sensors arranged along a sensing plane relative to the support surface for detecting the presence of the user along the sensing plane, and a controller in communication with the position sensors to determine the user's position relative to the sensing plane. In another embodiment, the exercise device is configured to simulate the activity of jumping rope. In a further embodiment, an exercise device is provided that is capable of measuring one or more parameters associated with a user's vertical jumping ability.

A safety jump training apparatus designed for safely mounting on a wall to permit an athlete to safely measure their vertical leap. The safety jump training apparatus includes a jump measurement device and a rotating support to rotably attach the measurement device to a mounting plate, as well as numerous safety features. The safety features include cooperating locking pin recesses and a locking pin to secure the apparatus in either an operating position or a storage position, a lock to adjustably secure the vertical height of the measurement device, a translation resistor to control the movement of the measurement device when the lock is disengaged, a safety position limiter to ensure that the measurement device is always a predetermined distance above the ground, and a safety cover to safely contain majority of the apparatus.

A portable jump training apparatus designed for portability that permits an athlete to safely measure their vertical leap in any number of venues where a jump training apparatus might be utilized is provided. The portable jump training apparatus may include a jump measurement device, a height adjustment post, and an external surface mount. The height adjustment post may be joined to the jump measurement device such that they are positionally fixed with respect to one another. The external surface mount may include at least one adjustable gripping device to releasably secure the external surface mount to an external mounting surface. Also, the external surface mount may include a translation guide configured for translational cooperation with the height adjustment post such that the position of the jump measurement device may be adjusted with respect to the stationary external surface mount.

An exercise device for allowing a user to perform functional tasks during training or exercise. The exercise device has an upper frame from which various exercise stations are positioned. The exercise device is provided which enables users to achieve jumping, horizontal movement, bounding, suspended sit-ups and leg-lift exercise movements. The exercise device comprises a harness system attached to an elastic suspension system to enable the user to jump vertically, another harness system attached to a flexible line to hoist the user up the wall and enable user to move horizontally on a vertical surface, and a cradle system with a ring attachment that allows a user to use upper body strength for suspension and perform abdominal exercises.

The invention discloses a dielectric electroactive polymer (EAP) driver-based vertical jumping mechanism of a robot, which belongs to the technical field of jumping robots. The mechanism comprises a base (13), an upper cover plate (1), an EAP driver assembly, a central guide pillar (14), a central cylindrical cam (24), two bulged rods and two rod folding mechanisms, wherein the central cylindrical cam (24) is provided with a ratchet structure and a groove structure; the ratchet structure is matched with a pawl in the EAP driver assembly; the two bulged rods are symmetrically fixed on guide pillars (15) on corresponding sides and are matched with grooves of the central cylindrical cam (24); and the two rod folding mechanisms are hinged between the upper cover plate (1) and the base (13). In the mechanism, a dielectric EAP driver drives the central cylindrical cam to rotate unidirectionally through pawl and ratchet mechanisms, and the spiral grooves on the outer surface of the central cylindrical cam can simultaneously move downwards under the action of external force during the rotation of the central cylindrical cam, so that a six-rod mechanism is driven to deform and the center of gravity of the mechanism moves down; simultaneously, a spring is stretched to produce internal stress, so that the robot jumps; and the vertical jumping mechanism has a simple structural design and high movement reliability.

The invention discloses a physical constitution detection method, which comprises the following steps: 1, continuously shooting testee images at a fixed frame rate by virtue of a camera, and extracting human body postures in the images; 2, analyzing the human body postures extracted from each frame of image according to a time sequence, finding a frame of image in which the human body posture is a detected posture, and marking the frame as an initial frame; 3, continuing performing backward searching to the frame of image at an interval of a preset frame number with the initial frame according to the time sequence by taking the initial frame as the first frame, and marking the frame as an ending frame; 4, counting all the frames from the initial frame to the ending frame, calculating duration from the initial frame to the ending frame in combination with the total frame number and the fixed frame rate, simultaneously obtaining the motion displacement of a testee according to human body posture and position changes from the initial frame to the ending frame, and calculating the physical constitution data of the testee according to the motion displacement. The invention further discloses a corresponding physical constitution detection system. According to the method and the system, vertical jumping items during physical constitution detection can be automatically measured, and the measurement accuracy is high.

An exercise apparatus designed specifically for progressively and repetitively challenging one's personal ability to maximize vertical leap and fast twitch muscle capabilities. The apparatus is designed to accommodate the use of multiple sports balls such as a basketball, football, volleyball, soccer ball or other desired ball to facilitate practice for specific sports. The apparatus indicates to the user the attained jump height attained in order that the user can track the progress of the leaping ability.

A road simulator stand is used for simulating vertical jumping of an automobile wheel. The road simulator stand comprises a plurality of supporting bases for supporting the automobile wheel, the supporting base comprises a base body, an actuator and a bearing part, fixing holes for fixing the supporting base are formed in the base body, and the actuator is located on the base body and is connected with the bearing part to provide power for the movement of the bearing part. The bearing part is located above the actuator and can vertically jump relative to the actuator, the bearing part is provided with containing space, and the bottom of the automobile wheel is located in the containing space. According to the road simulator stand, the actuator is arranged below the bearing part, and the actuator is utilized to provided power for the movement of the bearing part, so that vertical jump of the automobile wheel is simulated.

The invention provides a refrigerator, which comprises an inner liner and a storage rack, wherein a first rib and a second rib are arranged on the inner liner, the upper side wall of the storage rack is provided with a position limiting block, the storage rack is supported on the first rib, and the position limiting block is abutted on the first end of the second rib, so that the storage rack is fixed relative to the first rib and the second rib. Through the technical scheme, the position limiting block arranged on the storage rack is used for being matched with the ribs, the position limiting block is tightly clamped in front and back stop positions and is prevented from swinging, and in addition, the effect of solving the problem of vertical jumping of the storage rack is achieved through the position limiting height. Therefore the potential safety hazards due to unexpected displacement or ejection in the use process of the storage rack can be effectively prevented, and the safety in the refrigerator use process by children in families with the children can be further guaranteed.

The invention discloses a performance test control system for an automobile steering system, comprising a steering stimulation device control, a road condition stimulation loading device control, a linear displacement sensor arranged on racks of a steering device and a computer monitoring system. The performance test control system for the automobile steering system can simulate the real road condition, measure parameters of kinesiology and mechanics in the automobile steering system such as input shaft full rotary angle of the steering system, transmission ratio characteristics, transmission clearance characteristics, transmission efficiency characteristics, rotating moment, rigidity tests, vertical jumping, steering angles under the working state of driving and the like.

The invention relates to a hydro-pneumatic spring for a vehicle suspension, in particular to a steerable hydro-pneumatic spring which comprises an oil inlet joint, a steering arm, a guide cylinder, a piston rod cover, a piston, a cylinder barrel guider, a cylinder barrel, a spline shaft, a cylinder barrel bottom cover and a limit block. The oil inlet joint is arranged at the upper end of the piston rod cover, the steering arm is connected on the piston rod cover through a spline, the piston rod cover is fixedly connected at the upper end of the piston in a welded manner, the spline shaft is connected with the piston and the cylinder barrel bottom cover through splines, the cylinder barrel with the cylinder barrel guider is connected with the cylinder barrel bottom cover in a threaded manner, a guide mechanism comprises the guide cylinder with a connection seat and the cylinder barrel with the cylinder barrel guider, the guide cylinder with the connection seat is fixedly connected with a frame A2, movement of the steering arm cannot be interfered by vertical jumping of a wheel A8, the cylinder barrel bottom cover is connected with the wheel A8, and torque generated by the steering arm is transmitted to the cylinder barrel bottom cover through the piston rod cover, the piston and the spline shaft 8, so that steering of the wheel A8 is realized.

An exercise device having position verification feedback capabilities. In one embodiment, the exercise device generally includes a base unit defining a support surface, at least two position sensors arranged along a sensing plane relative to the support surface for detecting the presence of the user along the sensing plane, and a controller in communication with the position sensors to determine the user's position relative to the sensing plane. In another embodiment, the exercise device is configured to simulate the activity of jumping rope. In a further embodiment, an exercise device is provided that is capable of measuring one or more parameters associated with a user's vertical jumping ability.

The invention discloses a multi-purpose test platform for a legged robot single leg. The test platform mainly comprises a leg and foot fixing device, a motion guide device, a leg and foot loading device, a leg and foot motion limiting device, a leg and foot sensing device and a test platform support. By changing the fixed installation points, the robot single leg can be conveniently switched amongstatic fixation, vertical jumping motion and longitudinal walking motion, and multipurpose test conditions such as single-leg static testing, jumping testing and walking testing are integrated. During testing, a built-in sensor system of the test platform can be used for obtaining single-leg stress and displacement information of a robot, and the testing efficiency is effectively improved. Meanwhile, the single-leg load and the pavement terrain can be freely adjusted, and a better test effect is obtained. The multi-purpose test platform is universal for all types of robot leg and foot structures, the standard part proportion is high, the cost is low, and building is easy; and the leg and foot structures and the performance of the leg and foot structures can be quickly tested and verifiedin the early development stage of the legged robot.

The invention discloses a cable-driven steer-by-wire mechanism system for independent suspensions. The cable-driven steer-by-wire mechanism system for independent suspensions comprises a frame, a wheel, an axle, a master pin, a suspension link guide mechanism, a steering motor, a reducer and a cable drive mechanism. The master pin in in a double pin structure, namely including a main master pin and an auxiliary master pin. The cable drive mechanism is provided with two cables, two cable pulleys and two hoses and transmits power of the steering motor and the reducer to allow for steering of the wheel. The cable-driven steer-by-wire mechanism system for independent suspensions has the advantages that the double master pin structure and the cable drive mechanism enable additional steering caused by vertical jumping of the wheel to be small enough, even the additional steering is eliminated, impendent steering angle of the wheel is large-ranged, and the system is compact in structure, reliable in operation, convenient to assemble, low in cost and applicable to various independent suspensions.

The invention relates to a control arm assembly which is applied to a vehicle independent suspension structure. The control arm assembly comprises two connecting arms and three spherical hinge structures, the two connecting arms form a V shape, and the three spherical hinge structures are arranged on the end portions of the two connecting arms respectively. One end portions of the two connecting arms are together connected to the first spherical hinge structure of the three spherical hinge structures, the other end portions of the two connecting arms are connected to the second spherical hinge structure and the third spherical hinge structure of the three spherical hinge structures respectively, the first spherical hinge structure is used for being connected with an axle wheel edge steering knuckle of a vehicle, and the second spherical hinge structure and the third spherical hinge structure are used for being connected with a vehicle frame of the vehicle. The control arm assembly can avoid movement interference between tires and a suspension and the vehicle frame in the vertical jumping process and the steering process of the tires as much as possible, a longer control arm structure also can be adopted to reduce the tilt angle of the control arm when the tires jump, the optimization difficulty of the control arm is reduced, and the stress condition of the control arm is improved.

An exercise device having position verification feedback capabilities. In one embodiment, the exercise device generally includes a base unit defining a support surface, at least two position sensors arranged along a sensing plane relative to the support surface for detecting the presence of the user along the sensing plane, and a controller in communication with the position sensors to determine the user's position relative to the sensing plane. In another embodiment, the exercise device is configured to simulate the activity of jumping rope. In a further embodiment, an exercise device is provided that is capable of measuring one or more parameters associated with a user's vertical jumping ability.

An athletic sock for athletes, or those seeking to increase their athletic performance, to reduce the likelihood of lateral-extension ankle sprains and foot and leg cramps, and to reduce the likelihood of aggravating or bring relief from plantar fasciitis. The sock will additionally increase an athlete's vertical jump height and lateral foot speed. The sock enacts tensions on the foot at specific locations causing the foot to dorsiflex. The sock incorporates elastic material from the balls of the feet to an area ranging from the instep to above the ankle to provide tension for dorsiflexion. Elastic material is placed around the ankle and heel for support and protection while maintaining tensile strength that does not inhibit easy application of the sock or the foot's range of motion. Elastic material can be added around the arch of the sock to further reduce the aggravation of, or bring relief from, plantar fasciitis.

The invention discloses a suspension system for an impeller type washing machine and the impeller type washing machine with thereof. The suspension system comprises a first magnetic part and a second magnetic part, wherein the first magnetic part is arranged on a hanging rod, and is relatively and fixedly connected with the hanging rod; the second magnetic part is arranged on the hanging rod, can be slide along the axis of the hanging rod, and is repelled from the second magnetic part. The suspension system for the impeller type washing machine disclosed by the embodiment has the advantage that by arranging the repelled first magnetic part and second magnetic part on the hanging rod at interval, the function of buffering vertical jumping of an outer drum is realized, the vibration of an inner drum and the outer drum can be effectively absorbed or attenuated, and the stability of the impeller type washing machine is further improved.

The invention discloses a method for analyzing jumping dynamics of a flexible miniature magnetic control robot, which comprises the following steps of: describing a steady-state deflection curve which can be reached by the robot during quasi-static deformation by adopting numerical analysis, applying the steady-state deflection curve to a large-deflection jumping model, and comprehensively applying a steady-state analysis method and a transient analysis method. The influence of different magnetic field intensities on deformation of the robot is analyzed theoretically, the process and essence of vertical jumping are clarified, the theoretical minimum magnetic field intensity enabling the robot to jump is obtained, and the jumping height of the robot under the certain magnetic field intensity is predicted by constructing a mathematical model.

The invention discloses a uniform step jumping control method. The uniform step jumping control method comprises the following steps that a wire guide head is controlled to perform vertical step jumping and transverse wire arrangement when the wire guide head is wound to the last circle of the nth layer of a steel wire ring, the rotation angle of a winding wheel relative to a 0-degree line is cn when the vertical step jumping is started, the rotation angle of the winding wheel relative to the 0-degree line is dn when the vertical step jumping is finished, the rotation angle of the winding wheel relative to the 0-degree line is an when transverse wire arrangement is started, and the rotation angle of the winding wheel relative to the 0-degree line is bn when transverse wire arrangement is stopped. The invention further provides a steel wire ring winding method. The steel wire ring is wound layer by layer, and when the steel wire ring is wound to the last circle of the nth layer, the wire guide head is controlled to conduct vertical jumping and transverse wire arrangement through the uniform jumping control method. The invention further provides a steel wire ring winding system which is used for achieving the steel wire ring winding method. By adopting the technical scheme, the influence of the steel wire ring on the overall dynamic balance of a tire is effectively reduced.

A vertical jump drive basketball gauntlet for use on a ground surface in the vicinity of a basketball hoop, simulating a defensive basketball opponent to help offensive basketball players improve and maintain proficiency dribbling, driving, jumping, and shooting a basketball at a basketball hoop. Consisting of a weighted T-shaped base, a vertical central support structure, and coupled elongate arms simulating outstretched arms of defensive basketball players. The elongate arms are coupled in a manner allowing pivoting and orbiting movement. The elongate arms and upper portion of the vertical central support structure are padded to protect practicing basketball player from contact with basketball gauntlet.

The invention relates to a control arm assembly bench test system for Mcpherson suspension of a passenger vehicle. The control arm ball stud end of the system is connected with a loading seat, the loading seat and a guiding rod are connected through a hinge, the axis of the guiding rod is perpendicular to the plane where the center point of a ball stud and the axis of a lining, the vertical displacement of the control arm ball stud is limited, a torsional seat which is coaxial with the rotating axis of the control arm assembly lining end is loaded through a linear actuator, vertical jumping ofthe control arm assembly ball stud end of the real vehicle is converted into torsion of the lining end, and meanwhile influences of the vertical load on the lateral load and the longitudinal load arereduced; and in lateral and longitudinal loading mechanisms, a lateral loading linear actuator and a loading seat are connected through a ball hinge, a longitudinal loading linear actuator and the loading seat are in rigid connection, and mutual influences of the transverse load and the longitudinal load are reduced. Mechanical uncoupling is achieved, the load spectrum iteration accuracy can be improved, and the bench test accuracy is improved.

The invention discloses a cutting device used for a solid wood floor cutting machine, comprising a machine body, a support seat and a baffle, wherein a bracket is arranged at the top in the machine body, a servo motor is arranged at the lower part of the bracket, a cutting blade is arranged at one end of the servo motor, an electric magnet is arranged at one side in the machine body, a working tabletop is arranged at the top of the machine body, a graduated scale is arranged at the edge of one side of the working tabletop, the support seat is arranged at the one end of the working tabletop, apressing plate is arranged at the top of the support seat, a chute is arranged at one side of the machine body, a sliding block is arranged in the chute, the baffle is arranged at one end of the sliding block, and a locking screw is arranged at one end of the baffle. The cutting device has the following benefits: reliable setting of cut-out size can be realized, so that the cut-out size of multiple blocks of solid wood floors is more uniform, the mounting precision is improved, the solid wood floors can be reliably fixed, vertical jumping in cutting operation is avoided, and the cutting precision of the solid wood floors is improved.

The invention discloses a fourteen-degree-of-freedom vehicle dynamics model modeling method based on multi-body dynamics. The method overcomes the problem that the internal function of existing vehicle simulation software is not open in sources. The method comprises the following steps: regarding a to-be-researched vehicle as a multi-rigid-body system which comprises a sprung mass rigid body and four unsprung mass rigid bodies, ignoring frictional resistance and torque of a steering system in the steering process of the vehicle, ignoring air resistance, considering the K and C characteristic of a suspension system, ignoring the friction effect of the suspension system, setting the road condition to be a dry horizontal road surface, ignoring the jumping of wheels relative to a vehicle body caused by road surface pits, solving the tire force by adopting a magic formula, only considering the vertical jumping and rotary motion of the wheels relative to the wheels, and establishing a vehicle model based on the hypotheses. The model comprises translational motion and rotary motion of a vehicle body along x, y and z axes, and vertical bounce and rotary motion of four wheels, and has 14 degrees of freedom in total.

The invention discloses a planar two-foot robot movement testing platform. The platform comprises a treadmill, a support, a walking constraint device and a running constraint device. The support is provided with a laser displacement sensor and used for measuring the positions of the constraint devices and providing reference for controlling the speed of the treadmill. When the walking constraint device is used, a connection cylinder can effectively reduce shake during a two-foot experiment, cooperation of a first slider and a guide rail effectively reduces influences of friction force, and a balancing weight on the rear side can be used for balancing extra action force brought by a front mechanism to a robot. When the planar two-foot robot is used for a running experiment, the robot and a body connection base are fixed, and the robot can rotate relative to a rotary supporting rod. When a limiting clamping plate is used, the freedom degree between the robot and the rotary supporting rod is limited. When a limiting sleeve is used, the freedom degree of a second slider is limited. Therefore, the robot can implement one-dimensional vertical jumping experiments, rotation limited planar experiments and complete two-dimensional planar experiments.

The invention discloses a sensitivity and vertical jumping test and sensitivity coordination practice apparatus assembly. The sensitivity and vertical jumping test and sensitivity coordination practice apparatus assembly is characterized by comprising two music agility vertical jumping training supports relatively arranged and a beam located between the two music agility vertical jumping training supports, wherein the top of the music agility vertical jumping training support is provided with a ceiling, and a multi-functional agility training mat, a deep-squat action pattern training book, a sensitivity training pattern and sensitivity training steps are arranged in a house body frame composed of the music agility vertical jumping training supports and the beam. According to the sensitivity and vertical jumping test and sensitivity coordination practice apparatus assembly, sensitivity detection and training apparatuses suitable for public fitness are placed together, the structure is compact, and therefore exercisers can complete various sensitivity detection and training in a training area not in large area. The ceiling for rain sheltering is arranged, so that the sensitivity and vertical jumping test and sensitivity coordination practice apparatus assembly is not influenced by weather, convenient and time-saving, extensive in practicability and suitable for application and promotion in public exercise places.

The invention comprises a plurality of indicator members rotatably coupled to an inner slide assembly, the inner slide assembly coupled to an inner channel member, the inner channel member further coupled to an outer channel member. In this configuration, system is mounted to a mounting surface through the outer channel member, the inner channel member is configured in a first state to freely traverse along a vertical axis of the outer channel member and in configured in a second state fixed at a single point on the vertical axis, and inner slide assembly is configured in a first state to freely traverse along a vertical axis of the inner channel member and in a second state fixed at a single point on the vertical axis.

The invention discloses a wheel position adjusting method and system and a vehicle, and belongs to the technical field of vehicles. The wheel position adjusting method comprises the steps of detecting jumping information of a target wheel; acquiring position offset information of the target wheel according to the jumping information of the target wheel; calculating a length adjustment value of a pull rod connected with the target wheel according to the position offset information of the target wheel; and according to the length adjusting value of the pull rod, adjusting the length of the pull rod so as to enable the horizontal distance between the target wheel and the first connecting point to be kept consistent with the horizontal distance between the target vehicle and the first connecting point before jumping, thereby solving the problem of stability caused by vertical jumping of the wheels in the vehicle running process, and improving the vehicle driving experience.