689 results about "Fall prevention" patented technology

A new apparatus, system and method for fall prevention training is provided that delivers, studies and analyzes the biomechanics of a disturbance event, such as a slip or trip incident, so that an appropriate response can be executed by the person to reduce or eliminate the number of falls experienced. The apparatus includes a platform that delivers a disturbance event in less than about 500 ms and preferably in the range of about 100 ms to about 200 ms. The method includes a unique protocol for fall prevention training using the apparatus. The disturbance event can create instability in the joint of the individual. An individual's walking gait can be monitored with the portions thereof detected. A disturbance event can be triggered when a given portion of the walking gait is detected. Also, the disturbance even can be triggered manually, at preset intervals or according to preset script.

A recovery walking aiding robot belongs to walking aiding robots and recovery machinery, solves the problem that an existing recovery walking aiding robot is inflexible to pass through the narrow environment, simple in motion function and high in requirements for operation flexibility of users, and well meets actual recovery requirements. The recovery walking aiding robot comprises a handrail frame, a connection frame, a flat type microcomputer, an S-shaped support rod and a base plate, wherein the handrail frame is fixed with the connection frame through a linear bearing, the flat type microcomputer is installed on the connection frame through a support seat, the connection frame is arranged on the base plate through the S-shaped support rod, a control box is arranged on the base plate, and an environmental self-adaption module, a motion intention identification module, a speed control module, a falling prevention module and a motor driving module are loaded on the flat type microcomputer. The recovery walking aiding robot can automatically adapt to complex external environments, can achieve the functions of detecting and avoiding obstacles, preventing sliding and the like, provides falling prevention, and solves contradiction between dyskinesia of users and operation requirements of the robot.

A new apparatus, system and method for fall prevention training is provided that delivers, studies and analyzes the biomechanics of a disturbance event, such as a slip or trip incident, so that an appropriate response can be executed by the person to reduce or eliminate the number of falls experienced. The apparatus includes a platform that delivers a disturbance event in less than about 500 ms and preferably in the range of about 100 ms to about 200 ms. The method includes a unique protocol for fall prevention training using the apparatus.

Disclosed are a fall-proof method and fall-proof device for a mobile terminal. The method comprises: detecting whether a mobile terminal is in a destructive drop state or not; if the mobile terminal is in the destructive drop state, detecting an included angle α between a vertical line based on a preset point on a preset end surface of the mobile terminal and the preset end surface, or detecting an included angle α between the vertical line based on the preset point on the mobile terminal and a plane on which the preset end surface is located; according to the detected included angle α and a preset fall-proof included angle β, analyzing whether posture adjustment needs to be performed on the mobile terminal or not; and when the posture adjustment needs to be performed on the mobile terminal, according to a difference value between the detected included angle α and the preset fall-proof included angle β, controlling a kinetic energy module to adjust a drop posture of the mobile terminal. By adopting the embodiments of the present invention, the impact of a vulnerable portion can be avoided by adjusting the drop posture of the mobile terminal, thereby improving the fall-proof performance of the mobile terminal.

There is provided a method of determining a fall risk of a user, the method comprising collecting measurements of the motion of the user, estimating a value for a parameter related to the gait of the user from the measurements, and determining a fall risk for the user from a comparison of the estimated value with a normal value for the parameter determined from motion of the user in which the user is at their normal risk of falling.

A walking shoe that senses a fall and urges a user of the shoe to perform movement for fall prevention. When the walker stumbles or almost falls, a microprocessor is activated, based on a sensing signal of a pressure-sensitive sensor that senses a pressure applied to a tread to detect a lifting velocity and/or a lifting amount of the foot based on a detection signal of an acceleration sensor, and when the lifting velocity and/or the lifting amount is lower than a reference value, the microprocessor actuates a stimulator that stimulates a bottom of the foot. At this time, since the user reflexively lifts the foot, the user can avoid stumbling.

The hand-held electronic device includes a central processing unit, a memory unit, a state-detecting unit, a state-determining unit, a main power supply unit, a standby power supply unit, and a power supply switching unit. After determining the presence of a fall state, the state-determining unit will output a fall prevention instruction and which causes the central processing unit to enter a low-potential current mode; meanwhile, the power supply switching unit monitors power output and continues to supply low-potential power. In case of a fall of the hand-held electronic device, the device and method protect operation data and reduce the otherwise power-consuming current. The less power-consuming current is conducive to the reduction of capacitance required for a backup battery. The low-potential current mode is effective in reducing the time taken to recover the operation mode of the electronic device.

A falling prevention controlling device includes a wheel, and a main body arranged to swing in a pitch direction and a roll direction above the wheel, an advance/retreat command receiving unit arranged to receive an advance or a retreat command of the wheel, a target pitch angle calculating unit arranged to calculate a target pitch angle based on the received command and a rotation velocity deviation in the pitch direction derived from the detected rotation angle, a pitch inclined angle estimating unit arranged to estimate a pitch inclined angle with respect to a balanced state, from the detected pitch angular velocity and a pitch torque command generated based on the target pitch angle, and a pitch torque command generating unit arranged to generate the pitch torque command based on the target pitch angle and the pitch inclined angle.

A portable fall prevention apparatus. The apparatus provides points of attachment for a tether line to which a safety harness worn by a workman on a sloped roof can be attached. A pair of grapples attach to opposite, overhang portions of a sloped roof. A tie down strap threaded through a ratchet tie down connects each of the grapples to oppositely-disposed, oppositely-directed hinge plates of an anchor assembly. With the anchor assembly placed transversely across the ridge of a sloped roof and the tie down straps tightened to eliminate slack therein, the anchor assembly provides a secure point of attachment for a tether line.

The invention provides an automatic tree obstacle removing robot based on image recognition and a use method thereof. The robot comprises a mechanical structure and a control system, wherein the mechanical structure comprises a holding mechanism used for encircling and holding a tree trunk, the holding mechanism is arranged on a climbing and posture adjustment mechanism used for climbing the treetrunk and supporting the entire mechanical structure, the holding mechanism is provided with a fall prevention mechanism used for preventing the robot from falling, and the climbing and posture adjustment mechanism is fixedly provided with a pruning mechanism used for pruning and removing tree obstacles; the control system comprises a sensing and detection subsystem, a communication transmission subsystem, a motion control subsystem, a power supply subsystem and a remote control operation subsystem. The robot can avoid the problems such as unsafety and incomplete obstacle clearance which are caused by artificial climbing, and greatly improve the work efficiency of the electric power sector.

The invention provides a high-voltage power transmission line robot. The high-voltage power transmission line robot comprises flexible power wheels which are arranged in pairs and can move along powertransmission cables, power wheel supporting arms and a supporting seat, wherein one end of each power wheel supporting arm is connected with each flexible power wheel; walking arm flexible driving mechanisms are correspondingly arranged on the supporting seat; the other end of each power wheel supporting arm is connected with each walking arm flexible driving mechanism and is hinged on the supporting seat in a swinging state; and an actuator which can be replaced according to operation tasks is also arranged on the supporting seat. The high-voltage power transmission line robot is designed for divided conductors with voltage being higher than 500kv, is capable of ensuring that the flexible power wheels are tightly close to an inspection line during moving, can be adapted to complicated situations of the line, can be better applied to line hardware, has a function of easily lifting and hanging the line, and also naturally has a falling prevention function, is capable of avoiding crossing failure caused by leaving from the line when crossing over poles and towers; the reliability and the stability of a robot platform in use are improved; the inspection efficiency and the safety aregreatly improved; and the equipment reliability is high.

The invention provides a material and a structure of a crust-hitting hammer head for an aluminum reduction cell and a casting technique thereof. The hammer head is prepared from rare earth high-chromium cast iron, and comprises the following components in percentage by weight: 1.5-2.5 percent of carbon, 0.5-1.5 percent of silicon, 0.20-1.5 percent of manganese, 25.0-35.0 percent of chromium, less than 0.05 percent of phosphorus, less than 0.05 percent of sulfur, 0.075-0.10 percent of mixed rare earth, not more than 1 percent of other impurities and the balance of iron. The crust-hitting hammer head has the structure that a steel pipe is cast in a hammer head body, and the front segment of the steel pipe and the hammer head body are cast into a whole, wherein a connection reinforcing hole is arranged at the front segment of the steel pipe; a common part of the middle segment of the steel pipe and the hammer head body forms a segment of hollow cavity; and the part of the steel pipe extending out of the chip body and a crust-hitting rod are sleeved and then fixed together through ring welding and notched welding. The technique adopts a top casting or side casting method. The crust-hitting hammer head has the characteristics of heat resisting property, corrosion resisting property, wear resisting property, light weight, falling prevention, strong technological adaptability, easy production and the like.

The invention discloses a wall brick vertical surface mortar falling prevention structure of an automatic mortaring machine. The wall brick vertical surface mortar falling prevention structure comprises a steel wire net supply assembly, a mortar suspended net forming assembly and a mortar suspended net grabbing assembly, wherein the mortar suspended net forming assembly is arranged at the output end of the steel wire net supply assembly and used for processing a steel wire net into a mortar suspended net; the mortar suspended net is composed of a suspension end, a pressure face and a hook end which are connected in sequence; the included angle alpha between the suspension end and the pressure face is smaller than 90 degrees, and the hook end and the suspension end are located on the same side of the pressure face; and the mortar suspended net grabbing assembly is used for grabbing the formed mortar suspended net and placing the formed mortar suspended net on a wall brick, the first end face, facing the delivery input end, of the wall brick is hung on the suspension end of the mortar suspended net, the hook end of the mortar suspended net hooks the second end face, facing the delivery output end, of the wall brick, and a mortar bin is formed between the pressure head and the wall brick. As for the mortaring method, the mortar suspended net is placed on the end face, needing to be pasted, of the wall brick, and mortar is prevented from falling off. According to the wall brick vertical surface mortar falling prevention structure, cost is low, the structure is simple, and the problem that cement mortar cannot adhere to the vertical face of the wall brick is solved.

The invention discloses a multifunctional falling prevention bracket. The multifunctional falling prevention bracket comprises a base, wherein at least three positioning pieces are arranged on the top surface of the base; a placing area for positioning an object is formed among the positioning pieces; at least three support feet are arranged at the bottom of the base; a first control structure for driving the positioning pieces to expand or shrink the placing area is arranged in the base; and a second control structure for driving the support feet to move towards or opposite to the axis of the base is arranged in the base, and controls the support feet to move out of the range of the base. The invention aims to provide the multifunctional falling prevention bracket with high adaptability and good falling prevention effect.

The invention discloses a fall-proof wheeled robot fitted with a plurality of infrared transceiving modules, and an infrared signal transmitting and receiving direction of each infrared transceiving module is acutely angled to the horizon. Correspondingly, the invention also discloses a fall-proof method of the wheeled robot, comprising: the wheeled robot inclining at an acute angle to the horizon to transmit a plurality of infrared signals, and stopping moving forward if not receiving the corresponding infrared signals that are reflected within a predetermined period of time. The fall-proof wheeled robot and the fall-proof method have the advantages that the use of an inclined infrared signal transceiving mode provides a widened detection range, effective fall prevention is thus achieved, and the appearance design of the wheeled robot is more flexible.

The invention relates to a train cleaning apparatus which is used for cleaning the outer surface of a train carriage and comprises a stand serving as a main body. The train cleaning apparatus is characterized in that: the stand is provided with a cleaning mechanism, a walking mechanism, a sensing system and a control system, wherein the cleaning mechanism is used for cleaning the outer surface of the train carriage; the walking mechanism is used as a moving part of the cleaning machine; the sensing system is used as a monitoring part for detecting the external state of the cleaning machine; and the control system receives, analyzes and calculates the information of the sensing system, and controls the cleaning mechanism and a walking turning mechanism connected with the control system. The train cleaning apparatus provided by the invention has the advantages that: the appearance of a brush is designed according to the profile of the outer surface of a motor train and is compatible with multiple motor train types; the laser positioning and ranging and automatic turning closed-loop control ensure reliable and flexible walking as well as simple operation; and multiple-safety anti-collision protection is provided: laser ranging protection, platform falling-prevention photoelectric sensing and guide wheel collision prevention.

The invention discloses a fall prevention device which comprises a sole plate, a pressure sensor, a bolt, a signal transmission line, a first gear, a motor, a second gear, a cable, a data processing device, an acceleration sensor and a myoelectricity sensor. The pressure sensor is installed at one end of the bolt and connected with the data processing device through the signal transmission line; the first gear is connected with the other end of the bolt; the motor is connected with the data processing device through the cable; the second gear is in transmission connection with the motor and the first gear; the data processing device is used for processing signals, real-time status of human body poses is obtained, the motor is controlled according to the human body poses, and height of the bolt is adjusted. The fall prevention device can comprehensively and accurately reflect whether a human body is about to fall, the signals are classified by adopting artificial intelligence technology, current human body pose status is obtained, and the motor is controlled further to adjust the height of the sole bolt so as to prevent patients from falling.

The invention discloses a rotary pendant which comprises a base, and a turntable is installed on the base and provided with a turnover ring. Meanwhile, the invention discloses a free rotation falling-prevention mobile phone shell with the rotary pendant. The rotary pendant can be used on various occasions, can be used not only for the mobile phone shell but also for the inner wall of a car, and is high in practicability and wide in applicability. The falling-prevention mobile phone shell is simple in structure, convenient to process, not prone to fall off, long in service life and attractive in appearance, the base can be made into various shapes according to needs, and the overall attractiveness of a mobile phone is further enhanced. The falling-prevention mobile phone shell can be used as a supporting member of the mobile phone and therefore a user can watch videos and the like conveniently.

The invention relates to an electric pole falling-prevention device used for preventing electric poles from falling in the power industry, mainly comprising three arc support blocks and three pull rods, wherein , the three arc supporting blocks form a support ring through encircling, the three pull rods are respectively arranged at the end parts of every two support blocks and are articulated with the support ring by a bolt, so that the three pull rods are evenly distributed on the support rings, the upper parts of the pull rods are opened with pull holes, so that the constructors can fix the pull on the places which are out of reach of the constructors on the ground by the device without having to climbing up the electric poles, thus effectively ensuring safety of the constructors. Using the electric pole falling-prevention device in collaboration with the pull and a pull stake can effectively and reliably prevent the electrical poles from falling and breaking, thus preventing personal injury accidents caused by falling and breaking of the electrical poles.