190 results about "Fall prevention" patented technology

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, 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.

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 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 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.

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.

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.

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.

To provide an improved fall prevention device for construction machinery that simplifies handling and reduces installation time. [Solution] A fall prevention device (1) for construction machinery is provided, comprising a handrail (2), a mounting assembly (4), and a plurality of support columns (5) arranged at intervals along the X-axis of the Cartesian XYZ coordinate system of the fall prevention device (1) and configured to support the handrail (2) and the mounting assembly (4), wherein the handrail (2) and the mounting assembly (4) are arranged parallel and spaced apart from each other along the Z-axis of the Cartesian XYZ coordinate system, and a connecting mechanism (6) for connecting the plurality of support columns (5) to the handrail (2) and the mounting assembly (4), wherein the fall prevention device (1) is movable between a transport position (A) and a work position (B) in a plane (XZ) formed by the X-axis and the Z-axis.

The invention provides a work machine capable of improving the control precision of limiting the operation of a work device within a predetermined range. This excavator is provided with: a control valve for controlling the flow of hydraulic oil to a boom cylinder; a plurality of pilot solenoid valves for generating and outputting pilot pressure for operating the control valve; a controller having a restriction function for controlling the plurality of pilot solenoid valves so as to restrict the operation of the work device within a predetermined range; a fall prevention valve having a fall prevention function for preventing the boom from falling down; and a solenoid valve that outputs a signal to release the fall prevention function of the fall prevention valve. The controller calculates a release pressure of the fall prevention valve on the basis of information relating to the limiting function, and controls the solenoid valve such that the calculated release pressure is output to the fall prevention valve as a signal to release the fall prevention function.

The invention discloses a high-altitude anti-falling comprehensive test platform, and belongs to the field of detection equipment. Comprising a bearing device and a fatigue test assembly which is arranged between two groups of supporting parts; the first static and dynamic test assembly comprises a static test part and a dynamic test part; the static and dynamic test assembly II is connected and arranged among the multiple groups of support parts; the single hanging point test assembly is arranged on the bearing rod piece I; the third static and dynamic test assembly is arranged on the supporting rod piece; and the trial installation testing assembly is arranged on the supporting rod piece. According to the high-altitude anti-falling comprehensive test platform, samples are tested from multiple dimensions through multiple assemblies, specific scene testing is completed, test dimensions are enriched, equipment dependence is reduced through comprehensive design, cost and land are reduced, the process is simplified, efficiency is improved, the requirements for batch and rapid inspection are met, test comprehensiveness and efficiency are improved, and the test efficiency is improved. The problems of single function and insufficient scene coverage of similar equipment are solved, and diversified test requirements can be met.

The utility model relates to spring machine material receiving technical field, especially a kind of anti-product falling device for spring machine on it, it is installed on the frame of spring machine discharge side, including apron and bottom plate, the apron and bottom plate form storage cavity, the apron is half-enclosed, including open end and closed end, the open end is equipped with the mounting plate connected with the spring machine, the closed end is equipped with the discharge port with protective door, the bottom plate is obliquely, it is connected with discharge port in low point position, the device is installed on the discharge side of spring machine, spring produced from spring machine discharge side will automatically collapse into storage cavity and store in it, when opening protective door, due to the oblique setting of bottom plate, product will flow from discharge port under the action of gravity and fall into external turnover box, simple structure, small footprint, easy to install and convenient to operate.

This provides a shelf structure that allows the height dimension of the receiving element to be changed without replacing the shelf body. [Solution] The receiving body 20 consists of a fall prevention wall 39 erected on the rear edge of the top wall 25 in the left-right direction, and a guard plate 41 that is detachably attached to the top wall 25 and the fall prevention wall 39 via a mounting structure 40. When the guard plate 41 is attached, the guard plate 41 has a plate body 42 that rises upward from the top wall 25 in the left-right direction. When the vertical dimension from the top surface of the top wall 25 to the upper end of the fall prevention wall 39 is defined as the height dimension H1 of the fall prevention wall 39, and the vertical height dimension from the top surface of the top wall 25 to the upper end of the plate body 42 when the guard plate 41 is attached is defined as the height dimension H2 of the guard plate 41, the receiving body 20 is equal to inequality H1

The utility model relates to the technical field of building construction safety protection, and provides a scaffold construction safety anti-falling device which comprises a scaffold body, a scaffold board and a protection assembly. The scaffold body comprises a plurality of horizontal rods, a plurality of supporting rods and a first sliding fixing device. The two ends of each horizontal rod are connected with supporting rods through first sliding fixing devices. The scaffold board is paved on the at least two parallel horizontal rods; the bottom of the scaffold board is connected with a second sliding fixing device which is movably installed on the horizontal rod. The protection assembly comprises two sleeves, two vertical rods and a safety rope. The two sleeves are fixedly mounted on the scaffold board; a vertical rod is inserted into each sleeve; the safety rope is connected between the two vertical rods; an adjusting buckle is arranged at one end of the safety rope. And when the scaffold board is laid, the safety rope can be used for an operator to hang a safety belt, so that the operation safety of scaffold erecting personnel is ensured earlier.

The utility model discloses a turning plate type folding protective net bag which comprises a main body frame, an anti-falling net bag is arranged on the main body frame, the inner side of the main body frame is hinged to a main shaft support through a main shaft assembly, the main shaft support is fixed to a building structure, and the outer side of the main body frame is connected with one end of a lifting rope; and the other end of the lifting rope is fixed on a building structure above the main shaft support. The anti-falling net bag has the beneficial effects that the anti-falling net bag can form a vertical protection layer in the construction stage of the main body structure through synchronous construction, so that the safety risk index level is reduced; the scaffold platform provides a stable bearing base plane for installation of the anti-falling net, workers do not need to depend on high-risk equipment such as a hanging basket, the high-altitude operation time can be shortened, and the probability that the workers are exposed in a dangerous environment is reduced; and the cost of secondary erection of a high-altitude platform after the scaffold is removed is saved, the machine team cost of large machinery can be reduced, and the labor cost for mounting the anti-falling net is reduced.

The utility model relates to the technical field of stackers, in particular to an anti-falling mechanism of a straw stacker, which comprises a frame, a stacking mechanism is arranged on the frame and used for grabbing and stacking straw bundles, and the stacking mechanism comprises a moving component, a lifting component, a lifting component, a lifting component and a lifting component, the grabbing assembly comprises a mounting plate arranged on the moving assembly, a transverse frame is fixed to the bottom of the mounting plate, shaft frames are fixed to the two ends of the transverse frame, shaft rods are rotationally installed at the lower ends of the shaft frames, swing arms are fixed to the two ends of each shaft rod, a connecting plate is fixed between the two swing arms, and a plurality of grabbing hooks are fixed to the lower end of the connecting plate; the anti-falling assembly comprises a transmission gear rotationally installed in the middle of the outer wall of the connecting plate, a guide rail is fixed to the outer wall of the connecting plate, and sliding frames are slidably installed at the two ends of the guide rail; and the displacement of the straw bundles in the front-back direction is effectively restrained through the anti-falling assembly, the problem that materials slide down in the front-back direction under the inertia effect of a traditional stacking machine is solved, the grabbing requirements of the straw bundles of different sizes can be met, and universality is improved.

The invention discloses an anti-falling early warning device for old people, and relates to the technical field of medical care equipment, the anti-falling early warning device comprises a bedstead, a control button and a laser detection plate, anti-falling assemblies are symmetrically arranged on two sides of the bedstead, and getting-up auxiliary assemblies are hidden in boundary beams on two sides of the bedstead; the anti-falling assembly comprises hanging frames arranged at the bottom of the bed frame, matching grooves are formed in the hanging frames, a horizontal cross beam is fixedly arranged between the tops of the two hanging frames, a bent frame is installed in the matching grooves of the hanging frames in an inserted mode, and an upper connecting frame and a lower connecting frame are installed at the upper end and the lower end of the bent frame respectively. A driving assembly is arranged between the horizontal cross beam and the lower connecting frame and controls the bent frame to be hidden at the bottom of the edge beam or located on the edge of the edge beam. Anti-falling protection and early warning are performed through a laser detection plate and an anti-falling assembly, getting-up is assisted in combination with a control button and a getting-up assisting assembly, and meanwhile, burden increase caused by repeated reminding of caregivers is avoided.

The utility model relates to an anti-falling mechanism, belongs to the technical field of building construction, and particularly relates to an anti-falling mechanism based on a building construction support. The connecting frame comprises a pair of vertical rods which are symmetrical left and right; the mechanism is stably installed on a building construction support through the embracing clamps of the connecting frame, when the mechanism needs to serve as a temporary shielding net, the knob is rotated, the worm drives the worm gear and the winding shaft to rotate, the traction rope is released, the overturning frame is overturned and unfolded outwards, the anti-falling net can serve as a shielding net, and when the position height of the anti-falling net needs to be adjusted, the anti-falling net can be taken out. A hand wheel is rotated to enable a lead screw to rotate, so that a positioning plate is driven to move on the lead screw and a sliding rod, the height of an anti-falling net is adjusted, when the anti-falling net descends, a winding device winds a protective net, and the problems that in the construction process of an existing anti-falling building construction support, the form of the anti-falling building construction support is inconvenient to adjust according to needs, and the construction efficiency is high are solved. And different protection requirements cannot be met.

A falling prevention structure can be stably connected to an attached lift scaffold body and is provided with a hinge point in the middle. The control arm is on one side of the hinge point, and an extension portion of the control arm can be connected / matched with a lifting structure of the attached lift scaffold. An operating arm is on the other side of the hinge point, an extension portion of the operating arm is provided with a transition structure and connected to a falling prevention pin by the transition structure. The falling prevention pin is provided with an elastic restoring structure and is capable of extending and retracting, and the extending falling prevention pin can be inserted into a clamping and hanging structure in a falling prevention structure directly or indirectly fixed to a building object.

The application discloses a falling prevention safety device and lifting equipment of an industrial door, and the side of a door plate is also provided with a shaft which is rotatably connected with a wheel body of a cam; a torsional spring is also arranged on the shaft, and a preset torsional force of the torsional spring can drive the wheel body to rotate, so that the protruding part of the cam is in contact with the inner wall of the track and is locked. The application adopts the cam to cooperate with hard rubber, when the steel wire rope is broken, the cam is released, the friction force between the hard rubber and the track is used to realize the braking of the lifting door, the falling of the lifting door is prevented, and the application has the characteristics of simple structure, low cost and convenient maintenance.

The utility model belongs to floor field, propose a kind of old man anti-falling floor, including pad, the pad is provided with multiple hollow buffer structures of uniform distribution, the bottom of hollow buffer structure is plane, hollow buffer structure includes sink, the bottom of sink is provided with center hole, sink's lateral wall is provided with multiple side holes, connecting rib is arranged between adjacent hollow buffer structure, the lateral surface of hollow buffer structure located in outermost one round is uniformly provided with edge bar.The utility model provides better supporting effect for pad by setting several hollow buffer structures and connecting rib on pad, it is beneficial to the maintenance and rehabilitation of old man normal walking function, and hollow buffer structure can produce corresponding deformation in the moment of being subjected to the stamping force of old man falling down, provide buffering and decompression protection, avoid and reduce the possible body injury of old man falling down, and the local floor is moderate in hardness, has better buffering property and higher protection capacity, is suitable for large-scale promotion.

Provided is a mobile robot equipped with a control system capable of pursuing an operational objective other than fall prevention while reducing a calculation load related to the position of the center of gravity.　A whole-body operation generating unit: generates joint commands, which are operation commands for a motor driver that drives each joint of a manipulator, using optimal control for minimizing the value of an objective function that includes a term for realizing a center-of-gravity state of the manipulator corresponding to an adjusted model state, the optimal control including, as terms of the objective function or as optimization constraining conditions, matters relating to an operational objective, other than fall prevention, associated with the fact that the mobile robot is provided with a manipulator having a greater degree of freedom than a coarse-grained model, or the fact that a cart has a specific mechanical form; and generates wheel commands, which are operation commands for a motor driver that drives a wheel.

This invention discloses an emergency braking and fall prevention device and method for a vertical elevator, comprising an elevator main frame and an emergency braking and fall prevention device. The elevator main frame houses a car, and a car buffer is located at the center of the bottom end of the elevator main frame. A traction controller is located at the top of the elevator main frame, with a traction steel cable at one end connected to the car and the other end connected to a counterweight located on one side of the elevator main frame. A guide wheel is located on one side of the top of the elevator main frame. In this invention, the fall prevention system consists of an emergency braking and fall prevention device and a speed detector, integrating the two parts into one unit. This ensures the stability of the system's operation, provides more accurate malfunction assessment, and allows for timely prevention of dangerous situations, ensuring the safety of passengers inside.

The roof fall prevention ladder device (1) of the present invention is composed of a safety rope block (50) having a safety wire (53) connected to a worker who has climbed onto the roof (201) through a fall prevention part (40), and a lower fixing part (30) that is connected to the roof (201) of a building (200) by a rotating structure and is attached to the roof (201) of a building (200) from top to bottom, thereby having the feature of preventing fall accidents caused by roof collapse when working on the roof (201) of a building (200) such as a livestock barn where it is difficult to use an aerial work vehicle.

The application provides a balance ability dynamic evaluation and fall prevention training method based on time sequence data, relates to the technical field of control theory, and comprises the following steps: collecting user foot pressure time sequence data and joint motion data synchronously, constructing a coupling correlation matrix of pressure center trajectory space shape features and joint coordination features, and extracting a defect feature vector; constructing a multi-objective optimization function, solving a Pareto optimal solution set, extracting balance defect sensitivity feature parameters, performing hierarchical quantitative evaluation, and generating a training demand evaluation report. The application can realize accurate evaluation of user balance ability and personalized training scheme design, and improve the pertinence and effectiveness of fall prevention.

1. A fall restraint device (60) for travelling on a grid structure comprising: a first set of parallel tracks; a second set of parallel tracks extending transversely to the first set in a substantially horizontal plane and arranged in a grid pattern comprising a plurality of grid cells, each grid cell having a length in the range of 600-800 mm and a width in the range of 400-600 mm, such that each grid cell defines a grid opening defined by adjacent pairs of tracks of the first set of parallel tracks and adjacent pairs of tracks of the second set of parallel tracks, the fall restraint device having an upper portion (64) and a lower portion (70) a moving assembly (72) attached to a lower portion (70) of the frame (62), the upper portion being configured to restrain at least one workman, the moving assembly being configured to move the frame over the lattice structure, the frame (62) having a weight of less than 100 kg such that at least a portion of the moving assembly (72) can be manually lifted from the lattice structure by at least one workman restrained on the upper portion (64) of the frame (62).