13results about How to "Avoid falls and injuries" patented technology

The invention relates to the technical field of oil tank truck operation safety protection, in particular to an anti-falling device and a safety operation protection device.The anti-falling device comprises a mounting box, an anti-falling device, an anti-falling device and a safety operation protection device.The mounting box is internally provided with a containing space and a mounting shaft arranged in the containing space; the take-up unit comprises a main wheel disc rotationally arranged on the mounting shaft, leaf spring steel arranged between the main wheel disc and the mounting box and a steel wire rope arranged on the main wheel disc, and the buffer locking unit comprises a pawl elastically arranged on the main wheel disc and an inner ratchet wheel arranged in the mounting box in a threaded mode. According to the falling protector and the safety operation protection device, when a worker is prevented from falling from a high place, a steel wire rope can rotate and stretch out rapidly, so that the main wheel disc is driven to rotate rapidly, the pawl is rotated out to make contact with the inner ratchet wheel, and the inner ratchet wheel is driven to rotate and move; therefore, the worker is protected from falling from a high place.

The utility model provides a closestool guardrail capable of preventing a patient from falling down, which relates to the field of medical instruments and comprises an alarm device and a blocking mechanism. The blocking mechanism comprises a blocking piece which is arranged on the front side of the closestool and used for blocking a falling-down patient; and the trigger is used for starting the alarm device to give an alarm. Through the protection mechanism, the protection mechanism comprises the alarm device and the blocking mechanism, when the patient defecates forcibly and faint and falls down forwards due to insufficient blood supply, the patient about to fall down is blocked by the blocking piece, the patient is prevented from being injured due to faint and falling down during defecation, and meanwhile the alarm device is triggered through the trigger to give an alarm; and medical personnel in a ward and a nurse station are timely informed to carry out assistance.

The utility model belongs to the technical field of subway pedals, and provides a subway vehicle-mounted platform clearance compensation pedal which comprises a base and a lingual plate, at least two T-shaped guide rails are symmetrically arranged on the base, at least two T-shaped sliding grooves are symmetrically formed in the lingual plate, the two T-shaped guide rails are connected into the two T-shaped sliding grooves in a sliding mode respectively, and the lingual plate is connected with the base. The bases and the tongue plates are uniformly distributed in the horizontal direction, an upper cover plate is arranged on the bases, a plurality of first screw holes are formed in the side edge of the upper cover plate, and a driving assembly is arranged on each base; the electric push rod of the driving assembly drives the tongue plate to automatically stretch out and retract through the connecting component, the gap between the subway door and the platform is effectively compensated, passengers can conveniently get on and off the subway, and the passengers carrying luggage, pushing baby carriages or having difficulty in moving are not prone to being stumbled by the gap and prevented from falling down and being injured. And feet of passengers or luggage are prevented from being clamped between the bus door and the platform, and the phenomenon that the luggage is clamped or damaged is avoided.

The utility model discloses a ground step step joy competition interactive amusement equipment, including host computer, be used for receiving the signal of treading function unit and carry out feedback control game content display, treading function subassembly, it includes bottom plate and installs a plurality of treading function units on the bottom plate, the top fixed mounting of bottom plate has the electromagnet board, the top of electromagnet board is paved with insulating rubber pad, a plurality of treading function units are placed on the insulating rubber pad, treading function unit includes treading function key and magnetic attraction piece, the magnetic attraction piece is fixed in the bottom of treading function key, control switch, control switch is used for controlling whether the electromagnet board is connected power supply. The utility model provides a ground step step joy competition interactive amusement equipment can change the position of treading function unit according to the use demand of different crowd, and the user carries out treading game.

This utility model discloses a double-pulley device for a stair climber, relating to the field of fitness equipment and applied to a stair climber. It includes a dual-pulley resistance source with a first drive wheel and a second drive wheel; a first pulley assembly including a first pulley and a first belt, the first belt coupling the first drive wheel to a drive shaft; and a second pulley assembly including a second pulley and a second belt, the second belt coupling the second drive wheel to a drive shaft. The first pulley assembly is configured for high-friction transmission; the second pulley assembly is configured for low-friction transmission, with its friction being less than that of the first pulley assembly. This allows it to provide a buffering damping force to the drive shaft by slipping when the first belt fails. During normal operation, the device operates automatically. However, when the first belt slips off or fails, the friction between the second pulley and the second belt provides sufficient damping force to slow the descent of the stair treads, thus providing a buffering and protective function.

The utility model provides an anti-falling household child seat, which relates to the field of child seats and comprises a seat body. The top plate assembly is inserted into the top end of the seat body through an inserting groove, the mounting plate assembly is mounted at the bottom of the top plate assembly through the connecting plate assembly, the pulling piece of a U-shaped structure is fixed to the bottom end of the mounting plate assembly, and the collecting assemblies are fixed to the two ends of the mounting plate assembly respectively. A mounting plate assembly and a collecting assembly are controlled to be mounted at the bottom of a top plate assembly for use in advance, so that the collecting assembly communicates with a through hole for use, food waste can be directly thrown into the collecting assembly through the through hole for collection and storage in the eating process of children, and the food waste collecting effect is improved; the child is prevented from being directly thrown on the ground, cleanliness of the ground is guaranteed, and the problem that food residues generated in the feeding process of a common child seat are usually swept to the ground by the child and need to be swept effortlessly in the later period is solved.

The utility model discloses a moving device for senile dementia, and relates to the technical field of moving devices. The interior of the connecting block is hollow, a sliding groove is formed in the surface of the connecting block, a moving column is arranged in the connecting block, a sliding block protrudes out of the surface of the moving column, a sliding rod is fixedly connected to the bottom of the moving column, and the sliding rod is sleeved with a right telescopic spring and a left telescopic spring. When a right telescopic spring and a left telescopic spring in a stabilizing piece are stressed and incline towards the two sides, a sliding block can slide in a sliding groove to drive a moving column and a sliding rod to incline towards the two sides, and due to the rebound effect of the right telescopic spring and the left telescopic spring, reverse stress is added to maintain the stability of the protective plate; when the senile dementia patient falls down, a buffering acting force can be provided for the patient to stabilize the gravity center of the patient, the patient is prevented from falling down and being injured in the moving process due to no protection effect, and the danger coefficient during falling down is reduced.

The utility model relates to nursing bed technical field discloses a multifunctional nursing bed for hospital urology department, including urination mechanism, protection mechanism and bed body mechanism, the urination mechanism is located inside bed body mechanism, the protection mechanism is located at the upper end of bed body mechanism. The urination mechanism includes the mounting bracket, the inner wall rotation of mounting bracket is connected with the flap, the inner wall sliding of mounting bracket is connected with the urine storage box, the left end of urine storage box is equipped with the limit slot, the inner wall of limit slot is connected with the limit frame, the lower fixed connection of limit frame has the connecting plate, the surface sliding of limit frame is connected with the protection shell. The utility model discloses the design that the limit frame is moved with spring drive limit frame to rebound through using the connecting plate to pull, has realized the purpose that the urine storage box is positioned and removed conveniently, make the staff when replacing urine storage box more convenient and fast, has improved the practicality of device whole.

This utility model provides a child safety belt connector for electric vehicles, relating to the field of child vehicle safety buckle technology. It includes a safety belt buckle body and a multi-directional safety insertion and quick-release mechanism. As shown in the figure, this utility model has vertical insertion and fixing components inserted into the top of both the safety belt buckle body and the first insertion and fixing support. On one hand, the two vertical insertion and fixing components can secure the child's shoulders with straps. On the other hand, after being secured with straps, the straps can firmly fix the child to the seat surface during sudden braking and stopping, preventing the child from falling and getting injured. Furthermore, when the vertical insertion and fixing components are fixedly inserted into the vertical auxiliary insertion components, an elastic quick-release component is provided through the middle of the vertical auxiliary insertion components. By manually pressing the quick-release button at the outer end, the internal safety buckle top rod is retracted, thereby quickly popping out the engaged steel fixing insertion support rod, achieving a quick-release function.

The invention discloses unmanned aerial vehicle radar equipment, and relates to the technical field of unmanned aerial vehicles, the unmanned aerial vehicle radar equipment comprises an unmanned aerial vehicle body, the top of the unmanned aerial vehicle body is provided with an energy collection device, the bottom of the unmanned aerial vehicle body is provided with a holder device, the periphery of the unmanned aerial vehicle body is provided with wings, the upper parts of the wings are provided with first rotating devices, and the upper ends of the first rotating devices are provided with fan blades; connecting frames are arranged on the periphery of the lower portion of the unmanned aerial vehicle body, a base is installed between the connecting frames, buffering devices are arranged at the two ends of the base, a radar is installed on a holder device, the unmanned aerial vehicle body is sequentially provided with an IMU sensor, a GNSS compass module, a PMU power management module and a host from right to left, and a camera is arranged at the lower end of the unmanned aerial vehicle body. The unmanned aerial vehicle has the advantages that different heights can be adjusted according to requirements by arranging a piston pushing device and a telescopic rod, an energy storage plate generates electric energy through photoelectric conversion to be used by the unmanned aerial vehicle, electric power is saved, resource waste is avoided, the radar is driven by a third rotating device, a worm and a worm wheel to conduct vertical angle adjustment, and the practicability is high. And the second rotating device drives the U-shaped bracket to rotate by 360 degrees in the horizontal direction, so that the radar has high-precision target detection and tracking.

The invention provides a human-machine interactive control method for a flexible lower limb exoskeleton, comprising: an impedance control algorithm, a reinforcement learning algorithm, an adaptive control algorithm and a nonlinear disturbance observer; a mass, stiffness and damping model is established by the impedance control algorithm and a joint reference trajectory of a user is solved, thereby revealing a mathematical relationship between the joint interaction torque and the motion trajectory of a human-machine coupling system; an impedance model parameter is optimized by the reinforcement learning algorithm under the condition that the parameters of a robot and a human body dynamics model are limited, with the goal of minimizing muscle activation and joint stiffness; an adaptive control algorithm is used to minimize the tracking error between the actual trajectory of the exoskeleton system and the output trajectory of the impedance model, and a nonlinear disturbance observer is introduced to compensate for disturbances caused by external factors such as material friction, estimation error, and tight coupling of a model, thereby achieving the best assisted walking effect.

The invention relates to the technical field of auxiliary movement devices, and particularly discloses a medical auxiliary movement device for rehabilitation nursing of children, which comprises a frame, the frame comprises a main rod and a cross rod, one end of the main rod is fixedly connected with the middle of the cross rod, the other end of the main rod is fixedly provided with a first connecting pipe, and two ends of the cross rod are fixedly provided with second connecting pipes; a third connecting pipe is fixedly installed at the position where the main rod is connected with the transverse rod. The first wheel structure comprises a rotating rod I, a fork plate I, an axle I and a wheel I; the in-situ riding part is arranged, so that the device can be used movably and can also be used in situ for exercise, different requirements of children in rehabilitation exercise are met, the cushion plate is slidably mounted on the main rod, the foot rest lever is fixedly mounted on the first rotating shaft, the children can ride in a sitting posture or a prone posture, and the sitting posture or the prone posture can be adjusted. The exercise modes can be enriched, and meanwhile children can be prevented from falling down and being injured in the exercise process.

The invention provides a flexible takeoff and landing mechanism of an ornithopter and the ornithopter. The flexible takeoff and landing mechanism comprises an assembling component; the driving assembly comprises a rotary driver and a linkage rod group, and the linkage rod group is connected with the rotary driver; the clamping assembly comprises two flexible grippers, and the two linkage rod sets are connected to the two flexible grippers correspondingly; and the impact sensor is connected to the assembling assembly and is in signal connection with the two driving assemblies, and the impact sensor is arranged between the two flexible grippers. The purpose of being stably connected to a special-shaped structure can be achieved, the use flexibility of the robot can be better improved so that the robot can adapt to more changeable operation environments, even if the robot is impacted, the robot can grab nearby structures nearby, and falling damage is avoided. Compared with related structures of conventional aircrafts at the present stage, the aircraft has the remarkable advantages of being high in automation degree, wide in application range, high in connection stability, controllable, high in flexibility, long in service life and the like, and a new thought is provided for development of aircraft structures.