43 results about "Fall prevention" patented technology

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 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 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.

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.

The application discloses a personnel falling prevention device for scaffold erection and dismounting and a falling prevention method, and relates to the field of construction safety devices.The technical scheme is as follows: the scaffold comprises a plurality of cubic frames formed by a plurality of steel pipes; the personnel falling prevention device comprises a supporting mechanism which can be climbed or descended into the cubic frames at different heights and can be supported in the cubic frames; a vertical rod is detachably connected to the supporting mechanism; a horizontal rod is arranged at the end of the vertical rod away from the supporting mechanism; the horizontal rod can rotate in the circumferential direction with the vertical rod as the axis in the horizontal plane; the horizontal rod can cover the working area required in the scaffold erection and dismounting process after rotating at least 90 degrees; a safety hook is slidably connected to the horizontal rod along the length direction of the horizontal rod; and a safety rope is connected to the safety hook.The application reduces the labor intensity of the construction personnel, improves the working efficiency, and effectively guarantees the safety of the construction personnel.

The present invention relates to a lower bar fall prevention device, comprising a heat-insulating screen that is wound and unwound on a shaft provided at the upper part of a door frame and moves along guide rails on both sides of the doors, and a lower bar connected to the lower end of the heat-insulating screen. A lower bar fall prevention device comprising a plurality of steel band sections provided along the longitudinal direction on both sides of one surface of a heat-insulating screen, fastening hole sections having fastening holes formed extending longitudinally on both sides of the steel band sections, and fastening bolt sections coupled to the fastening hole sections to continuously connect the steel band sections.

The present invention relates to a fall prevention device for a steel tower that can provide safer support for a worker during ascent and descent. The device comprises a bottom fixing unit installed at the bottom of a vertical frame of the steel tower, a plurality of vertical fixing units spaced apart and fastened along the vertical frame, a vertical rail installed in connection with the bottom fixing unit and the plurality of vertical fixing units, and a moving unit on which a rope is installed and which slides along the longitudinal direction of the vertical rail. With this configuration, the vertical rail is firmly installed on the vertical frame of the steel tower, and the worker's rope is installed on the moving unit that moves along the vertical rail, thereby achieving the effect of safe and convenient use.

This utility model discloses a safe, anti-fall manhole cover, relating to the field of manhole cover technology. It includes a mounting top plate, to which a ring of manhole connecting pipes is fixedly connected. Multiple interconnected telescopic connecting posts are respectively arranged on the inner walls of both sides of the manhole connecting pipes. A fall-prevention barrier is connected between two telescopic connecting posts, and a fall-prevention net body is connected between all the fall-prevention barriers. This utility model achieves a safe fall-prevention effect for the manhole cover through the fall-prevention net body. Simultaneously, the telescopic connecting posts, which can slide along the inner wall of the manhole connecting pipe, allow the dimensions of the fall-prevention net body and the manhole cover to be adjusted according to drainage needs. When the water flow is large, the fall-prevention net is rolled up, allowing water to flow smoothly through the manhole cover. When the external water flow is small, the fall-prevention net is stretched out, aligning with the manhole cover for better fall prevention.

This utility model relates to the field of fall prevention and safety protection technology, and discloses a multifunctional fall prevention and safety protection device for hospital wards. It includes a bed frame, with fixed plates fixedly connected to both sides of the outer wall of the bed frame. Four rotating shafts are fixedly connected to the upper surface of the fixed plates, and four support pillars are rotatably connected to the outer walls of the four rotating shafts. Three of the four support pillars have guide rods slidably connected inside. Each guide rod is fixedly connected to a support pillar, and a rotating shaft is rotatably connected inside each support pillar. A fixed plate is fixedly connected to the outer wall of the rotating shaft, and a fixing component is provided on the outer wall of the fixed plate, including a fixing block. This utility model effectively avoids the problem of traditional hospital ward safety protection devices failing to provide efficient fall prevention and safety protection for patients, thus achieving the desired fall prevention and safety protection effect.

The application relates to the field of nursing appliances and discloses an auxiliary standing and falling-prevention device for old people nursing, which comprises a track, two moving blocks slidingly connected to the top of the track and arranged on the left and right sides, a relay plate fixedly connected to the similar sides of the two moving blocks, an embedded block fixedly connected to the bottom of the moving block, pulleys rotatably connected to the left and right sides of the bottom of the embedded block, positioning blocks fixedly connected to the similar sides of the two moving blocks, limit grooves formed in the inner walls of the positioning blocks and arranged on the upper and lower sides, protection plates slidingly connected to the similar sides of the inner walls of the two positioning blocks, and ropes fixedly connected to the similar sides of the two protection plates. The device can improve the falling-prevention protection effect in the process of the auxiliary standing and walking of the old people, and when the front and back moving speed is too fast, the positioning assembly can be controlled to make emergency braking, so that the old people are prevented from being hurt by the front and back falling.

This invention relates to the field of power transmission tower operation technology, and discloses a power transmission tower fall prevention system and a commutator. The power transmission tower fall prevention system includes: a guide rail assembly connected to the main tower structure; the guide rail assembly has a locking space extending along a first direction and multiple slots spaced apart along the first direction; a locking assembly engaged in the locking space and capable of sliding along the first direction, and the locking assembly has mounting holes; a limiting assembly installed within the locking space; a pawl hinged to the inner side of the locking assembly with an axis extending along a second direction; two ends of an elastic member connected to the free end of the pawl and the locking assembly respectively; a rotating abutment hinged to the locking assembly with an axis extending along the second direction; and a fixing unit located on the outer side of the locking assembly, connected to the rotating abutment. This invention provides a power transmission tower fall prevention system that effectively prevents workers from falling while operating power transmission towers, and offers higher safety.

A fall prevention system provides intervention and distraction to attempt to prevent a “fall risk” patient from falling from bed while providing alerts to caregivers. The system provides verbal, visual and tactile interventions to create a distraction and time for a nurse or caregiver to intervene and prevent a fall.

The application relates to a laminating machine which comprises a press body, a sealing door, a lifting mechanism, a falling prevention mechanism and a controller; the sealing door is slidingly connected to the press body; the lifting mechanism is arranged on the press body; the lifting mechanism is connected to the sealing door to drive the sealing door to ascend or descend; the falling prevention mechanism is arranged on the press body; the falling prevention mechanism comprises a detection piece and a blocking unit; the detection piece is in communication connection with the lifting mechanism to detect a first parameter value of the lifting mechanism; the blocking unit is movably connected to the press body; the detection piece and the blocking unit are both in communication connection with the controller; when the falling amplitude of the first parameter value reaches a preset value, the controller controls the movement of the blocking unit so that the blocking unit supports the sealing door, thereby preventing the sealing door from falling and reducing the possibility of accidentally hurting the operator and damaging the sealing door when the sealing door falls, and reducing the safety hidden danger.

This utility model aims to provide a high-safety building fall prevention device that can quickly install temporary guardrails on the side of newly built staircases. The utility model includes two clamping plate assemblies, each comprising an upper clamping plate, a lower clamping plate that guides the rear section of the upper clamping plate, and at least two locking members threaded into the lower clamping plate for height adjustment. The upper and lower clamping plates cooperate to form a limiting space for clamping the inclined surface of the staircase. A width adjusting member is detachably connected between the two upper clamping plates. A guard rod is detachably connected to the upper part of the upper clamping plate. This utility model applies to the technical field of building fall prevention devices.

This utility model discloses a self-closing fall protection device for LNG full-containment storage tanks. The device includes a door, which is rotatably connected to a first door frame via a detachable pin. The side of the door away from the first door frame abuts against a second door frame. The second and first door frames are spaced apart on the storage tank. The door forms an angle along the vertical planes of the first and second door frames, ensuring that the door always abuts against the second door frame when no one is passing through. This self-closing fall protection device for LNG full-containment storage tanks, by rotatably mounting the door on the door frame, creates an angle between the door and the vertical plane of the door frame, placing the center of gravity of the entire door slightly below the center, thus achieving a normally closed effect when no one is passing through. After operators and maintenance personnel manually open and pass through, the door automatically closes, and remains normally closed when no one is passing through.

The application relates to the field of nursing of the disabled and the elderly, in particular to a nursing bed anti-falling guardrail. The nursing bed anti-falling guardrail comprises two supporting rods, the two supporting rods are arranged on one side of a bed frame, the two supporting rods can be close to or far away from the bed frame, an angle steel is fixed on the bed frame, the two supporting rods are provided with insertion grooves I, one side of a flat plate can be placed on the angle steel, and the other side of the flat plate can be inserted into the two insertion grooves I; the flat plate is used for widening the nursing bed; the upper portions of the two supporting rods are fixed with hinged seats; the two hinged seats are hinged with connecting rods; the upper ends of the two connecting rods are respectively hinged with two ends of a main guardrail; and the main guardrail is lifted or folded through rotation of the two connecting rods. The bed surface outside can be widened, the patient activity area is increased, and the bed falling risk is reduced.

To provide a fall arrest device that allows for easy attachment and detachment of work positioning equipment and offers superior comfort. [Solution] The fall arrest device 2 comprises a full harness 4 having a pair of shoulder belts 8 and a pair of thigh belts 10, a suspension belt 18 connected to the full harness 4 and located in the left-right center behind the full harness 4, a backside belt 22 that supports the wearer's buttocks, a waist belt 20 from which the backside belt 22 is suspended, and a suspension belt 30 connected to the waist belt 20 at the center of the backside belt 22 in the left-right direction and detachably connected to the suspension belt 18.

This invention relates to the fields of virtual reality, digital twins, and artificial intelligence, and provides a method for optimizing fall prevention VR training strategies using digital twin-driven two-layer reinforcement learning. To address the safety concerns in existing fall prevention VR training, this method constructs a pre-trained digital twin environment and a user behavior simulation model, combining real-time multimodal data to generate user state vectors. A two-layer reinforcement learning architecture is then employed, where a strategy optimization generator produces a VR training strategy parameter set based on simulated performance characteristics, and safety verification and optimization are performed through simulation prediction. The optimized VR training strategy parameter set is deployed to a VR training terminal for training, using training feedback data to update the corresponding model, forming a dynamic adaptive optimization closed loop. By achieving personalized strategy generation and pre-verification of safety, this method significantly improves the safety and dynamic adaptability of fall prevention VR training, and can be applied to scenarios such as fall prevention for the elderly and motor skills training.

The application discloses a kind of anti-falling building construction frame, belong to building construction technical field, it includes: support pole, including the connecting piece of being fixedly connected arrangement on support pole;Anti-falling mechanism, including the anti-falling net of being arranged on support pole, for preventing article from falling during construction;Support component, including the footboard of being arranged in the middle of support pole, for providing support during construction;Lock catch assembly, for locking after splicing anti-falling mechanism, in the application, through A, B connecting rod collocation torsional spring winding type anti-falling net, form the all-around protection of the two sides, rear side and bottom of footboard, after anti-falling net is unfolded, by bolt limiting, footboard secondary fixed, can effectively prevent construction material and personnel from falling, greatly improve the safety protection of high-altitude construction.

This utility model relates to the technical field of fall prevention devices, and discloses a fall prevention device for elderly patients in hospitals. It includes an L-shaped support frame with expansion bolts threaded internally. A fixing hook is provided on the outer wall of the L-shaped support frame, and a pull ring is provided on the outer wall of the fixing hook. A connecting plate is fixedly connected to one end of the pull ring, and limiting plates are fixedly connected to both sides of the connecting plate. A rotating shaft is rotatably connected between the two limiting plates. A connecting belt is fixedly connected to the outer wall of the rotating shaft. A reset component is provided at one end of the rotating shaft, and a locking component is provided at the other end. A fixing belt is provided on one side of the connecting belt. In this utility model, the device is connected to the elderly patient via the fixing belt, and a spiral spring pushes the connecting belt outward. Finally, a gear and a locking block engage to prevent the connecting belt from accidentally stretching outward, thus achieving a protective effect for the elderly patient.

The present invention relates to a fall prevention device for a bucket used by a worker at heights, comprising a first fixed member and a second fixed member coupled to the lower side of a bucket on which a worker at heights is seated, a first rotating member with both ends respectively inserted into the first fixed member and the second fixed member and rotatably coupled thereto, a first supporting member with one end coupled to the outer surface of the first rotating member, and a first fall prevention plate with one side of its body coupled to the other end of the first supporting member, thereby preventing work tools or materials that accidentally fall and collide with pedestrians or workers on the ground while the worker is working on a work object outside the bucket, thereby preventing injury.

To provide a fall prevention facility attaching jig and a construction method of a building that can reduce a labor in a construction.SOLUTION: A fall prevention facility attaching jig comprises: engaging parts (a first claw 13, a second claw 23) that detachably engages with a beam 2 of a building A; a support part (a first steel pipe part 11) formed to extend from the engaging parts (the first claw 13, the second claw 23); an attaching part (a handrail attaching part 12) which is disposed at a tip side in an extending direction of the support part (the first steel pipe part 11) and to which a fall prevention facility (a fall prevention handrail 8) for preventing fall from a roof of the building A can be attached; and an operating part 30 which is provided in the attaching part (the handrail attaching part 12) and which can operate to switch between a state in which the engaging parts (the first claw 13, the second claw 23) engage with the beam 2 and a state in which they disengage.SELECTED DRAWING: Figure 2

This invention provides a risk assessment-based fall prevention and management system for hospitalized patients, relating to the fields of smart healthcare and patient safety technology. It includes a multi-source data fusion module, which collects and processes diverse patient data to form a comprehensive dataset; the multi-source data fusion module includes an IoT sensor array; and a behavioral intent recognition module, which performs collaborative fusion processing on the IoT sensor array to form behavioral intent tags. This risk assessment-based fall prevention and management system for hospitalized patients, through multi-source data fusion and behavioral intent recognition modules, captures real-time changes in the patient's physiological and behavioral states, dynamically assesses fall risk, and forms an accurate dynamic risk profile of the patient. The fall prevention and management system for hospitalized patients overcomes the limitations of traditional static assessment methods, implements precise intervention for high-risk patients, and significantly reduces the probability of falls.

This invention belongs to the technical field of sports protective equipment and intelligent rehabilitation wearable devices, specifically relating to an artificial intelligence ankle brace suitable for daily sports protection, postoperative rehabilitation of ankle injuries, fall prevention for middle-aged and elderly people, and real-time monitoring of ankle status in sports enthusiasts. It includes an elastic ankle brace body and a sensor array disposed in the inner layer of the elastic ankle brace body. The sensor array includes at least one tension sensor, at least one pressure sensor, at least one balance sensor, and at least one instability sensor. This invention achieves comprehensive, real-time, and accurate monitoring of tension, pressure, balance, and instability during ankle joint movement. It integrates functions such as automated signal acquisition and processing, adaptive threshold dynamic adjustment, intelligent recognition of multiple movement modes, real-time warning of exceeding limits, fall risk assessment, emergency call functionality, and synchronous upload and analysis of movement data, combining physical elastic protection with intelligent and accurate monitoring and early warning.

The application provides a safety protection device for building construction, and belongs to the technical field of building construction, and effectively solves the problem of poor protection effect of the protection net installed on the outer side of a building wall. The technical scheme comprises a support frame fixedly connected with the outer side of the wall, a support plate arranged on the support frame, a sponge pad arranged above the support plate, a falling prevention net arranged above the sponge pad, a top protection plate movably connected with the falling prevention net through a first linkage assembly, and a cleaning plate movably connected with the falling prevention net through a second linkage assembly. The safety protection device for building construction has excellent protection performance.