363 results about "Fall prevention" patented technology

The present invention discloses a defect detection method, device and equipment for a high-altitude fall prevention system, wherein the method includes: regionalizing the high-voltage electric control components and multi-layer composite insulation structures in the high-altitude fall prevention equipment; determining the high-voltage pulse parameters of each functional area and applying pulses according to environmental parameters and electromagnetic interference data; applying progressively increasing mechanical tension to the suspected stratified area; applying multiple thermal stress excitations to the target area; performing high-resolution acoustic imaging scanning to generate defect location information. The technical solution of the present invention can effectively cope with complex electromagnetic interference and extreme climatic conditions in high-altitude environments, and through a multi-dimensional and multi-stage detection process, accurately identify and locate microscopic stratified defects in high-altitude fall prevention systems, providing important guarantees for the safety of high-altitude operations.

The utility model relates to the technical field of lifting scaffolds, in particular to an attached lifting scaffold guide seat. A back shore frame is arranged on the base upwards, a back shore pin shaft is rotationally installed in the back shore frame, an unloading back shore is installed on the back shore pin shaft, an anti-falling pin shaft is rotationally installed in the base, an anti-falling swing block is arranged on the anti-falling pin shaft, torsional spring pin shafts are arranged on the two sides in the base respectively, and first torsional springs are arranged at the two ends of the anti-falling pin shaft respectively. Excitation teeth are arranged on the front side of the anti-falling swing block, a first limiting pin shaft is arranged at the position, located above the rear side of the anti-falling pin shaft, in the base, and reset structures are arranged on the two sides of the lower end of the anti-falling swing block correspondingly; according to the guide seat, the anti-falling swing block is designed, an excitation tooth and a reset structure are utilized, the anti-falling swing block is driven to automatically swing in the ascending process of the scaffold, and therefore when the scaffold falls, the anti-falling swing block can be automatically inserted into the ladder stop, falling stopping of the scaffold is achieved, and accidental injuries are prevented; the guide seat is provided with a reset structure, and flexible reset can be achieved in the swing process of the anti-falling swing block.

The invention provides a tower anti-falling device and a ship surface spraying device.The tower anti-falling device comprises a lifting traction device, a tower frame, a tower, an anti-falling lever arm, an anti-falling fixing base and a limiting base, the anti-falling fixing base and the limiting base are fixed to the tower, and the anti-falling lever arm is rotatably installed on the anti-falling fixing base through a first pin shaft; the anti-falling lever arm is provided with a first arm part distributed on the upper side of the first pin shaft and a second arm part distributed on the lower side of the first pin shaft, and the lifting traction device is in transmission connection with the first arm part; when the lifting traction device is kept connected with the first arm part, the second arm part of the anti-falling lever arm is driven to be separated from the tower frame and abut against the limiting seat by pulling force, acting on the first arm part, of the lifting traction device. When the lifting traction device is disconnected with the first arm part, the bearing of the anti-falling lever arm drives the second arm part of the anti-falling lever arm to rotate towards the tower, the second arm part can be connected with the tower in a clamped mode, continuous falling of the control tower is prevented, the anti-falling effect of the control tower is achieved, and safety is improved.

The invention relates to the technical field of fall prevention, in particular to a fall prediction method and system based on action analysis, an early warning device and a medium. The prediction method comprises the following steps of collecting multi-dimensional action data of an individual in real time through a plurality of sensors distributed in an environment and / or wearable equipment worn by the individual; and preprocessing the multi-dimensional action data to generate standardized action data, and inputting the standardized action data into a feature extraction model. Through a multi-sensor fusion technology, various data sources such as a video camera, an inertial measurement unit (IMU), a pressure sensor and a heart rate sensor are effectively integrated. The limitation of a single sensor on data comprehensiveness and accuracy is overcome, and richer individual state information can be provided.

The invention relates to the technical field of elevator anti-falling, in particular to a high-rise building construction elevator anti-falling device which comprises an elevator frame, an elevator material frame is movably installed in the elevator frame, and an anti-falling mechanism is fixedly installed on the outer side of the elevator material frame. During application, the rotation limiting set is matched with the transmission assembly, a mechanical anti-falling system is constructed, when a circuit system loses efficacy, the electronic limiting set loses action, the elevator material frame rapidly falls under the influence of gravitational acceleration, the gear and the rack are driven to rotate in a meshed mode, and then the mounting disc rotates at a high speed; the centrifugal force promotes the load bearing sliding plate and the load bearing ball to drive the inner clamping frame to move outwards and be buckled to the outer clamping frame, the rotating shaft and the elevator material frame are fixed, during normal use, the elevator material frame ascends and descends at a constant speed, the centrifugal force is small, the inner clamping frame and the outer clamping frame are not clamped, normal operation of the elevator material frame is guaranteed, and the equipment safety is improved through double guarantees.

A personal cooling apparatus for use in association with a fall prevention safety harness having at least a shoulder strap portion, a back strap portion, and a waist belt portion, the personal cooling apparatus includes a chest portion and a back portion. Each of the chest portion and the back portion include a cooling portion and a strap receiving portion. The cooling portion includes an inner layer, an outer layer, and a cooling medium disposed between the inner layer and the outer layer. The strap receiving portion of the personal cooling apparatus is securable to at least one of the shoulder strap portion and the back strap portion of the fall prevention safety harness.

The invention discloses an anti-falling early warning method and device and a storage medium. The method comprises the following steps: at least collecting surface myoelectricity detection signals of lower limbs of a detected person at a plurality of target muscles in a natural walking process and pressure detection signals of soles of the detected person at a plurality of target detection points; respectively performing frequency domain analysis and time domain analysis on the basis of the surface myoelectricity detection signal so as to correspondingly obtain frequency domain characteristics and time domain characteristics; extracting plantar pressure features based on the pressure detection signal; performing feature processing operation on the frequency domain feature, the time domain feature and the plantar pressure feature to obtain a target feature result; and inputting the target feature result into an anti-falling early warning model to carry out anti-falling prediction so as to obtain an anti-falling early warning result. By means of the scheme, the accuracy of anti-falling prediction can be improved, anti-falling early warning is effectively achieved, and falling events are avoided.

The utility model provides an anti-falling device of a building construction elevator, which relates to the technical field of building material transportation and comprises a shear type elevator and a base plate arranged on the shear type elevator, four side edges of the base plate are respectively and rotatably provided with an anti-falling plate, and the four anti-falling plates are in mutual transmission through bevel gears; a spring leaf rolling mechanism is connected between the base plate and the anti-falling plate, and a stabilizing mechanism connected with the base plate is connected to the spring leaf rolling mechanism. The displacement type transportation seat plate is arranged on the base plate, the periphery of the base plate is protected through the anti-falling plate, falling of building materials is avoided, the anti-falling plate is rotationally connected with the base plate and can be rotated to be flush with the base plate, and the building materials are conveniently placed; and building materials can be conveniently transported to a construction platform through the displacement type transportation base plate, and constructors are prevented from getting on the base plate to take the materials.

A method of modifying a living environment to assist in fall prevention is described. The method includes the steps of detecting a first illumination level within the living environment; determining the first illumination level is below an illumination threshold; detecting a first body transition based on comparing a first detected body position to a second detected body position; determining the first body position transition is indicative of an unsafe transition; and increasing an illumination level within the living environment to a second illumination level that is greater than the first illumination level based on the determining the first illumination level and the determining the body position transition. A system for modifying a living environment to assist in fall prevention is also described.

The utility model relates to the technical field of medical protection instruments, in particular to an adjustable anti-falling guardrail for a sickbed, which comprises a sickbed main body, bed edges on the front side and the rear side of the sickbed main body are respectively and fixedly provided with a support cross frame, and the tops of the two groups of support cross frames are respectively provided with an adjustable fence mechanism. The child patient can be protected and prevented from falling from the two sides of the sickbed, operation is convenient, meanwhile, the height of the protective net can be adjusted according to the height of a child, the child patient is more humanized, the child patient is effectively prevented from falling from the sickbed, safety is high, and other accidents are avoided.

The invention provides an anti-falling early warning system and method based on multi-dimensional monitoring, and the system comprises a sensor configuration module which is used for carrying out the integrated deployment of different monitoring types of sensors on a wearable device, and carrying out the real-time monitoring of a walking state of a user according to an integrated deployment result, and obtaining multi-type sensing data; the tumble probability prediction module is used for constructing a tumble risk model, performing association analysis on the multi-category sensing data based on the tumble risk model, and predicting the tumble probability of the user; and the early warning notification module is used for carrying out condition triggering on an early warning mechanism based on the falling probability and carrying out falling early warning response on the user based on a condition triggering result. Therefore, corresponding early warning response can be carried out in time when the hidden danger of falling exists, so that abnormal conditions can be found in advance, and the accuracy of anti-falling early warning is improved.

The invention, which relates to the technical field of operation falling prevention, discloses a safety optimization method for falling prevention in high-place operation of a working well, comprising the following steps: mapping real-time position information of an operator to a three-dimensional model of the working well, removing abnormal points and smoothing to obtain a continuous and stable real-time point cloud trajectory; cumulative fusion and cavity compensation are carried out on the continuous and stable real-time point cloud trajectory, multi-scale trajectory features are extracted, time sequence consistency processing is carried out, and optimized continuous and stable real-time point cloud trajectory features are obtained; the anti-falling risk is calculated based on the optimized continuous and stable real-time point cloud trajectory features, continuous risk distribution is generated, when the risk exceeds a threshold value, early warning is triggered, an operation intervention instruction is output, and the problems that blind areas, false alarms and delayed responses are likely to occur in the narrow working well environment in a traditional monitoring mode, and continuous risk judgment cannot be conducted are solved.

Systems and methods for a fall limiting device are provided. An apparatus includes a housing having a lifeline therein. The fall protection mechanism is configured to apply a braking force to the lifeline based on movement of the lifeline. A retention retainer is attached to the lifeline, the retention retainer configured to retain a portion of the lifeline in the housing during a first operating condition. The fall limiting device is configured to allow a held portion of the lifeline to extend from the housing during a second operating condition, wherein the fall protection mechanism is configured to apply a braking force to the lifeline during the second operating condition.

In a method for determining a posture of a human being, in particular for fall prevention, measurement data is obtained from at least two dimensional radar measurements of a radar system. The measurement data is processed to obtain at least two dimensional point cloud data, in particular three dimensional point cloud data, wherein a position and local data is assigned to each of the points of the point cloud data. The point cloud data is clustered to obtain clustered data representing the human being by a plurality of clusters, and the clusters are tracked over time to define a plurality of objects. Body parts of the human being and positional relationships among them are identified based on the plurality of objects, wherein the identified body parts comprise the head and / or limbs, and the positional relationships are analyzed to determine the posture of the human being.

The embodiment of the invention belongs to the field of electric power working equipment, relates to a bracelet falling prevention method and system, computer equipment and a storage medium, and aims to solve the problem that in existing power grid operation, cooperative association and comprehensive judgment of a motion posture, a plane operation range and a vertical height is lacked for a prevention means for a falling risk of an operator; the technical problems that a working scene and a non-working scene cannot be accurately distinguished, different height risk level differences are difficult to adapt, protection strategy pertinence is insufficient, early warning is inaccurate or intervention is lagged, and refined safety requirements cannot be met due to the fact that the working scene and the non-working scene cannot be accurately distinguished due to cooperative monitoring of the moving posture, the plane position and the vertical height are solved. Accurate early warning and dynamic intervention of falling risks are achieved, and the safety protection level of power grid operation is improved.

The invention discloses a state monitoring and instability emergency device for a mine hydraulic support. The state monitoring and instability emergency device comprises a monitoring mechanism, an anti-falling mechanism and an anti-toppling mechanism. The monitoring mechanism is used for monitoring and obtaining the inclination angle of the hydraulic support and the falling speed of the top beam and transmitting operation instructions to the falling prevention mechanism and the toppling prevention mechanism. The anti-falling mechanism is used for providing anti-falling supporting force for the hydraulic support top beam in the falling state. The anti-toppling mechanism is used for pushing and resetting the inclined hydraulic support. According to the device and the method, intelligent data analysis capability is achieved, multi-parameter fusion monitoring is achieved, the condition of the hydraulic support can be monitored in time, and damage to the support and related equipment caused by the conditions that the hydraulic support topples over due to excessive inclination, a hydraulic system of the support breaks down or a top beam suddenly falls due to other external factors is effectively prevented. The wireless communication technology is applied, early warning signals can be sent out in time, and relevant information and distress signals are sent to an overground dispatching department so that rescue can be carried out in the first time.

The present disclosure provides an apparatus, method and kit to provide a safe traversal of stairs in a home environment. The system has subsystems for mounting and trolley apparatus. The system also has subsystems for de-slacking a tether along with harness configurations. The kit provides a retrofittable de-slacking, tether, and harness configuration for safety systems of other configurations. The present disclosure further provides interchangeable features of the various subsystems. The mounting and trolley subsystem may be mounted to a wall or a ceiling depending on the needs of the user.

The utility model relates to an anti-falling mechanism of a lifting platform. The anti-falling mechanism comprises a pin rod part, a spring, an assembly block and an electromagnetic unit which are correspondingly matched, a plurality of inserting holes are distributed in the inner fork arm around the pivot hole at intervals, counter bores correspondingly matched with the inserting holes are distributed in the outer fork arm, and threaded through holes are formed in the inner bottoms of the counter bores. The pin rod parts are matched with the counter bores in a one-to-one correspondence mode, the radial flange in the middle is matched with the counter bores, the rod body on one end side of the radial flange can be inserted into the counter bores, and the spring is arranged on the rod body on the other end side of the radial flange in a sleeved mode and can push the pin rod parts to be inserted into the counter bores. The assembly block is fixed to the outer fork arm, a cavity is formed in a block body, and the end of the side, sleeved with the spring, of the pin rod part can stretch into the cavity. The electromagnetic unit is assembled in the cavity and can selectively drive the pin rod part to move out of the inserting hole and be inserted into the inserting hole in the power-on state and the power-off state. The problem that the lifting platform falls suddenly can be effectively solved, and the situation that the lifting platform falls due to the fact that a hydraulic system breaks down is prevented.

The invention relates to a well lid, in particular to a protective well lid. The invention provides the protective well lid with various safety protection functions. Comprising a walling crib, an anti-falling structure, an anti-backflow assembly and the like, the anti-falling structure is connected between the walling crib and a well sleeve, the anti-falling structure comprises a left connecting table arranged on the inner wall of the walling crib, a right connecting table arranged on the inner wall of the well sleeve and an anti-falling filter box, and the anti-falling filter box is detachably installed between the left connecting table and the right connecting table; an anti-backflow assembly used for blocking flood is arranged between the well lid and the anti-falling structure. Through the linkage cooperation effect of the blocking block, the connecting shaft and the blocking cover, normal and orderly drainage can be conducted by automatically adapting to the rainfall, when flood occurs, a double-layer sealing structure for preventing the flood from flowing backwards can be automatically formed along with the rising of the water level, serious water accumulation on the road surface is avoided, and then the use safety is improved; and the detachable anti-falling filter box is arranged in the well ring, so that the safety is further improved.

The invention provides a tracheal catheter fixing and patient falling prevention linkage nursing device. The device comprises a tracheal catheter fixing module, a falling prevention detection module, an alarm intervention module and an interaction management module. The tracheal catheter fixing module is used for ensuring that the tracheal catheter does not slip or shift in the body position change or nursing process of a patient; the anti-falling detection module is used for monitoring the body position change of a patient on the nursing bed in real time; the alarm intervention module is used for giving an alarm to medical staff when potential dangers are monitored; the interaction management module is used for optimizing a risk reminding strategy in combination with medical care feedback of the device in the use process; by means of the linkage mechanism of catheter fixing and body position monitoring, accurate recognition and intelligent early warning of tracheal catheter slipping and the risk that a patient falls off a bed are achieved, and the safety and the active intervention capacity of clinical nursing are remarkably improved.

The present invention provides a fall prevention lifeline support device that can be quickly and reliably attached to a stable position on a beam reinforcement assembly, and whose position can be easily changed after installation as needed. [Solution] The assembly comprises a base plate 13 placed on a beam reinforcement assembly 50, a support column 12 vertically attached to the base plate 13, a hook fitting 17 having a hook portion 17D capable of engaging and locking the main beam reinforcement 51 on the lower surface side of the base plate 13, an operating handle shaft 16 rotatable around a vertical rotation axis and provided alongside the support column 12, and a control mechanism 18 provided between the hook fitting 17 and the operating handle shaft 16, which can move the hook fitting 17 in a direction that engages and holds the hook portion 17D with the main beam reinforcement 51 and in a direction that releases engagement by moving away from the main beam reinforcement 51, depending on the rotation direction of the operating handle shaft 16.

The present invention discloses a fall prevention garment for children under general anesthesia, comprising: a wearable piece, a protective frame, the protective frame includes an installation ring and a connecting arc plate arranged up and down, a traction device, the traction device is located within the installation ring, the traction device includes a reel and a traction rope, one end of the traction rope is wound around the reel, and the other end is connected to the wearable piece, a spring is provided on the reel, the spring is used to drive the reel to rotate back, and provide traction force for the wearable piece through the traction rope; a locking mechanism, the locking mechanism is connected to the reel, when the forward rotation speed of the reel exceeds a threshold value, the locking mechanism locks the reel to limit the forward rotation of the reel, the cooperation of the spring and the reel realizes the traction effect on the child, so as to assist the child to move, improve the mobility of the child, the locking of the reel is realized through the setting of the locking mechanism, so as to achieve the anti-fall effect, and at the same time cooperate with the protective frame to ensure the overall safety, so as to avoid tipping over.

To provide a portable gas detector that solves the inconvenience of connecting and storing hoses in conventional gas detectors. [Solution] The portable gas detector is equipped with a winding unit and a fall prevention unit 200. By winding the hose around the outside of the winding roller, the hose can be neatly arranged during use. Furthermore, the provided fall prevention unit 200 allows the device to be held securely in the user's hand, effectively preventing the device from falling.

This product is a fall prevention device that can be attached to a wall as shown in the reference diagram illustrating its use, and by passing the belt portion through furniture, home appliances, pet cages, etc., it can prevent the object being held from tipping over.

1. Name of the design product: Fall prevention frame. 2. Use of the design product: It is used to be installed at the wellhead of a manhole to play a role in preventing falls. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view.

A system for improving falls risk protocol compliance receives health data from a plurality of data sources. The system filters the health data for data relevant to a falls risk for a patient. The system identifies a falls risk protocol for the patient. The system displays the data relevant to the falls risk for the patient in a consolidated view, and generates an alert for compliance with the falls risk protocol for the patient.

The utility model relates to the technical field of well lids, in particular to a nodular cast iron well lid with an anti-falling net, which comprises a base and a well lid, the well lid is rotatably connected onto the base, an inner ring is integrally formed on the inner side of the base, a support ring is arranged in the base, the anti-falling net is fixed in the support ring, and a plurality of insertion blocks are integrally formed at the top end of the support ring. A connecting block is fixed to the top end of the supporting ring, a shell is integrally formed at the top end of the connecting block, a clamping block is arranged in the shell, a vertical rod is fixed to the top end of the clamping block, and a spring is arranged on the vertical rod in a sleeving mode; slots matched with the clamping blocks are formed in the connecting blocks and the inner ring; the vertical rods are pulled, the clamping blocks are disengaged from the inner ring, the supporting ring is rotated, the multiple insertion blocks are disengaged from the multiple check blocks, and the supporting ring and the anti-falling net are conveniently detached.

This utility model relates to the field of winch fall prevention technology, and proposes a foot-operated fall prevention safety pin winch, including a bracket, bearing seat, rotating shaft, winch, and fall prevention mechanism; the bracket is welded together with bottom angle steel, top angle steel, and supporting angle steel, and the rotating shaft passes through the bearing seat to fix the winch and locking teeth; the fall prevention mechanism includes a safety bar, foot pedal, and transmission rod. The safety bar engages with the locking teeth, and the safety bar is hinged to the top angle steel. The transmission rod connects the bent part of the foot pedal to the lifting lug of the safety bar. When the foot pedal is pressed, the safety bar is lifted by the transmission rod and disengaged from the locking teeth; during normal lifting, the winch rotates clockwise, and the safety bar does not interfere; when accidentally released, the winch rotates counterclockwise, and the safety bar engages the locking teeth by gravity to achieve self-locking; during lowering, stepping on the foot pedal separates the safety bar from the locking teeth. This utility model is in a locked state when not in use, eliminating the habitual violation of not using the fall prevention safety pin by operators, eliminating the need for manual operation of the safety bar, improving work efficiency, and ensuring safety in underground operations.

The invention relates to the technical field of intelligent control, and provides an anti-falling walking-aid central control system based on a hybrid model, and the system comprises an upper decision module which is used for dynamically switching a multi-mode task mode based on sensor data; the middle-layer control module is used for adjusting joint power parameters according to the instruction of the upper-layer decision module to realize stable control of joints; and the bottom-layer sensing module is used for processing sensor data through a machine learning algorithm, predicting a falling risk in real time and feeding back a prediction result to the upper-layer decision-making module. Through hierarchical cooperation of the hybrid model, the system response time is shortened to 200 ms, the joint angle error is reduced by 30%, and the motion stability is remarkably improved; the control precision is improved by 40% through a dynamic parameter adjustment mechanism, the falling risk is reduced by 50% especially in an acute-stage patient, the energy efficiency is optimized by 20% under the condition that a reinforcement learning framework supports autonomous task switching and a complex scene, and the exercise endurance of the patient is remarkably enhanced.