18 results about "Fall accident" patented technology

The utility model relates to the technical field of roof anti-falling, and provides an anti-falling system for roof construction, which comprises an anti-falling mechanism and a rope mechanism, the anti-falling mechanism comprises locking pliers and a telescopic fixing frame, and the telescopic fixing frame comprises a first mounting column, a second mounting column and a shear fork type assembly. The first mounting column and the second mounting column are both provided with locking pliers, the shear fork type assembly comprises multiple sets of shear forks connected with one another, each set of shear fork comprises a first shear fork arm and a second shear fork arm which are connected in a crossed mode, the first shear fork arm of the shear fork located at the head end is hinged to the first mounting column in a sliding mode, and the second shear fork arm of the shear fork located at the head end is hinged to the first mounting column; the first shear fork arm of the shear fork located at the tail end is hinged to the second mounting column, and the second shear fork arm is slidably hinged to the second mounting column; the rope mechanism is mounted on at least one of the first mounting column and the second mounting column. Therefore, the safety coefficient and the working efficiency of roof operation can be remarkably improved, the risk of high-altitude falling accidents is effectively reduced, and reliable guarantee is provided for high-altitude operation.

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 invention discloses a vehicle falling detection method and system, electronic equipment and a storage medium. The method comprises the steps that acceleration data are collected in real time in the riding process; sliding the sliding window to obtain acceleration data; calculating a maximum acceleration module value accmax and an acceleration median error accstd within a first set duration before the window is slid; the z-axis acceleration mean value acczm and the two-norm accxy of the acceleration component of the xy plane of the sliding window within the last second set duration are calculated; if accmax is larger than or equal to a set threshold value, or acczm is smaller than or equal to a first threshold value, accxy is larger than or equal to a second threshold value, and accstd is larger than a third threshold value; and if so, judging the vehicle falling state. According to the method, whether the vehicle is in the falling state is judged through the acceleration data, the falling state is accurately judged, falling accidents do not need to be reproduced, safety is high, data cost is low, and the technical problem that in the prior art, falling detection safety is poor is solved.

The utility model relates to the technical field of high-altitude operation, and discloses a steel cable inclination anti-falling device, which comprises a fixed bracket, a steel cable inclination anti-falling device and a steel cable inclination anti-falling device, the steel rope is made of a high-strength material, is fixed on the fixed bracket and extends along the stair handrail; and the braking mechanism is connected to the steel rope in a sliding manner. According to the steel cable inclination anti-falling device, by designing the fixing support with an adjustable buckle structure, the device can adapt to stair handrails of different sizes and is fixed through bolts, the universality and installation convenience of the device are greatly improved, a mechanical inertial sensor is adopted as a triggering assembly, the falling acceleration can be monitored in real time, and once an abnormal condition is detected, the device is prevented from falling off. When the steel cable breaks down, a friction plate in the locking assembly is immediately triggered to make contact with the steel cable for braking, falling accidents are effectively prevented, meanwhile, an anti-skid coating is arranged on the surface of the steel cable, the locking assembly comprises a groove structure matched with the steel cable, friction force during braking is further enhanced, and the braking effect is improved.

The present invention provides a worker fall prevention system and method capable of reliably preventing a fall accident of a worker working in a high-place work area.　This worker fall prevention system in a high-place work area is configured such that a worker wearing a lanyard performs work while moving as appropriate between a safety area and one or more work areas. The worker fall prevention system is configured such that the worker working in the high-place work area is restricted from operating a hook of the lanyard on their own will, and the worker cannot arbitrarily operate the hook unless given permission by a supervisor on site.

The invention relates to the technical field of building construction, and particularly discloses a detachable roof protective vertical rod which comprises a base, a protective rod assembly is inserted into an inner cavity of the base, anti-collision assemblies are arranged on the outer surfaces of the two sides of the base, and second connecting blocks are arranged on the outer surfaces of the protective rod assembly. By means of the protection rod assembly, an alarm can be given out in time in the climbing process of other people, a worker can conveniently stop dangerous behaviors in time, alarm sound can rapidly attract attention of a climber and surrounding people, the climber stops when aware of the dangerous behaviors of the climber, falling casualty accidents caused by climbing slipping are avoided, and the safety of the worker is improved. The anti-collision assembly can effectively absorb and disperse impact force generated by collision when equipment moves and collides with the protective vertical rod, the vertical rod is prevented from being damaged and deformed due to direct collision, it is ensured that the vertical rod is always kept in a stable protective state, reliable safety guarantee is continuously provided for operators, and the working efficiency is improved. The trouble and the cost of frequent replacement due to the damage of the vertical rod can be reduced, and the construction efficiency is improved.

The invention provides a real-time early warning method for a falling accident of an anti-falling slow descending device, which comprises the following steps of: after evaluating a load concentration area, identifying spatial distribution of multi-point tension load and wear degree, and identifying a core position and an influence range of an abnormal tension area; according to the core position and the influence range of the abnormal tension area, the tension dispersion degree among the multiple point positions of the whole rope is evaluated, and an early warning critical value corresponding to each position is updated; the position where the real-time tension load exceeds the corresponding early warning critical value and the abrasion degree is abnormal is evaluated as a fracture risk point, and the position of the rope section where the fracture risk point is located is marked; identifying an expansion path spreading from the rope section position where the potential fracture risk point is located to the adjacent rope section, and extracting the attenuation rate and the residual bearing capacity of the overall bearing capacity; and when the attenuation rate of the overall bearing capacity is evaluated to be increased in an accelerated mode and the residual bearing capacity approaches the overall fracture critical point of the rope, a fracture early warning signal is output to the anti-falling slow descending device.

The utility model relates to the technical field of construction scaffolds, in particular to an anti-falling construction scaffold which comprises a table plate, a table frame, a protective assembly, a reinforcing assembly, a connecting assembly, a sliding assembly, a moving assembly and a limiting assembly. A rack is arranged below the table plate, a protection assembly is arranged on the upper portion of the table plate, a protection assembly is arranged on the inner side of the rack, a reinforcing assembly is arranged on one side of the rack, a connecting assembly is arranged below the protection assembly, a sliding assembly is arranged on the inner side of the protection assembly, and a moving assembly is arranged below the protection assembly. Compared with a traditional construction scaffold which is lack of an effective anti-falling device, once a constructor accidentally gets lost, falling accidents are prone to occurring, timely and effective protection is difficult to provide for the constructor in an emergency, and a protection mechanism is rapidly started when the constructor falls, so that the safety of the constructor is improved. Effective anti-falling protection is provided for constructors through opening of the air bag structure, and the risk of falling accidents is greatly reduced.

The invention relates to the field of safety belts, and discloses a safety belt anti-falling device which comprises a frame arranged on a safety rope in a sleeving mode and further comprises a supporting piece arranged on the frame, connected with the safety rope in an abutting mode and used for supporting the safety rope. The adjusting part is arranged on the supporting part and moves along with the supporting part; the fixing part is arranged on the frame and is used for fixing the safety rope when the falling condition occurs; the control component is arranged on the frame, connected with the adjusting component and used for controlling the fixing component to be started when the adjusting component moves, the safety rope can be fixed in time at the initial falling stage, personnel are effectively prevented from continuing falling, key guarantee is provided for life safety of personnel in dangerous scenes such as high-altitude operation, and the safety of the personnel is improved. And the injury degree caused by falling accidents is greatly reduced.

This invention relates to the field of building construction technology and discloses a hoisting construction process with fall arrest locking for prefabricated buildings, comprising the following steps: S1, pre-hoisting preparation and intelligent verification; S2, component hooking and status self-check; S3, lifting and full-process active fall arrest monitoring; S4, judgment and execution of multi-level fall arrest locking mechanism; S5, precise positioning and intelligent assisted docking; S6, safe unlocking and installation confirmation; S7, data recording and process iteration. This invention, by introducing an intelligent decision and control unit, a multi-sensor fusion perception system, and a multi-level fall arrest locking mechanism, achieves intelligent monitoring and active safety protection throughout the entire hoisting process. It significantly improves hoisting safety by implementing a layered response from risk warning to emergency locking through three-level fall arrest locking, especially in the event of electrical control failure, where it can still quickly lock through purely mechanical means, effectively preventing fall accidents.

The present invention may include a bed sensor system that checks the physical condition of a facility user and prevents fall accidents of said facility user.

The utility model relates to the technical field of building construction, and discloses a lifting frame for building reinforcement construction, which comprises a bottom plate and a top plate, the bottom plate and the top plate are connected through two groups of shear fork type lifting supports, four corners of the bottom plate are respectively provided with a fixing device, the fixing devices are used for fixing the lifting frame with the ground, and the bottom plate is further provided with a control device. Baffles are arranged on the periphery of the top plate, first tool grooves and second tool grooves are formed in the inner sides of the baffles, sliding grooves are formed in the top ends of the baffles, and limiting devices are arranged in the sliding grooves, can move in the sliding grooves and are used for fixing a safety belt. Through the arrangement, rapid and stable connection between the lifting frame and the ground is achieved, flexible and stable safety belt fixing points are provided for high-altitude operation personnel, and falling accidents are prevented.

The utility model discloses a rail type safety falling protector, and belongs to the technical field of high-altitude safety equipment. The device comprises a guide rail, a shell, a first rod and a second rod, first rollers embedded into the guide grooves in the corresponding sides are mounted on the left side and the right side in the shell; the middle of the first rod and the middle of the second rod are rotationally mounted on the front side in the shell together, and brake blocks are mounted at the ends of the first rod and the second rod; a third rod is rotationally installed at the bottom of the first rod, a fourth rod is rotationally installed at the bottom of the second rod, and the bottom of the third rod and the bottom of the fourth rod are jointly rotationally connected with a traction block. When a technician has a falling accident, the safety rope pulls the traction block to enable the four brake blocks to abut against the left side and the right side of the guide rail, and when the gravity pulls the traction block downwards, the brake blocks on the two sides can clamp the guide rail, so that braking can be rapidly achieved, the brake is very stable after being braked, and the safety of the technician when the technician is suspended accidentally is guaranteed.

The utility model discloses a cast-in-situ bored pile safety anti-falling support which comprises a base, a support body is detachably connected to the base, an anti-falling device is movably connected to the support body, and the anti-falling device is used for being connected with a safety belt, can sense abnormal acceleration or pulling force and is rapidly locked when sensing abnormity. Abnormal acceleration or pulling force can be sensed in real time through the anti-falling device, and the anti-falling device can be quickly locked when dangerous conditions are detected. By means of the design, accidental falling accidents can be effectively prevented when constructors work high above the ground, and construction safety is greatly improved.

This invention discloses an intelligent safety locking system for preventing falls during high-rise building construction, belonging to the field of construction safety technology. The system integrates inertial navigation, pressure sensing, and visual recognition technologies to monitor the movement trajectory and posture deviation of workers in real time. When abnormal acceleration or instability tendency is detected, the control unit triggers the electromagnetic locking mechanism of the guide rail based on a risk prediction model, achieving dynamic anchor point rigid fixation within 50ms, forming multi-point constraint protection. A narrowband Internet of Things (IoT) network is used to construct a human-machine-environment collaborative monitoring network, combined with an adaptive algorithm for construction scenarios to optimize the locking threshold. This system supports continuous protection during horizontal / vertical multi-dimensional movement, increasing the fall intervention success rate to 99.6% and reducing the maximum buffer impact force to below 15% of the human tolerance threshold. Through intelligent early warning and active braking mechanisms, it significantly reduces the fall accident rate, providing all-weather active safety protection for the construction of super high-rise buildings.

The invention relates to the technical field of petroleum and natural gas extraction, in particular to an anti-falling device of a screw drill, and aims to solve the problem that when an existing anti-falling device is not shut down in time after a screw is broken, a motor rotor continuously rotates, so that a threaded connection is tripped, and a well falling accident is caused. The device comprises an anti-falling assembly, the anti-falling assembly is provided with a limiting body; when the motor rotor moves downwards, the limiting body is connected with the upper portion of the motor rotor in a clamped mode, the motor rotor is prevented from further falling, and when the lower portion of the screw drill is broken or tripped, the motor rotor slides downwards to drive the whole lower portion to move downwards. At the moment, the anti-falling blocking disc on the upper portion of the motor rotor can abut against the limiting boss, the motor rotor is prevented from sliding downwards continuously, and the possibility of well falling accidents is reduced. And meanwhile, after fracture occurs, an operator can easily take out the fractured part by lifting the tubular column, and a special fishing tool is not needed, so that the operation process is greatly simplified, and the working efficiency is improved.

The application discloses a kind of quick positioning anti-falling forging press table of forging, including right-angled building empty type bottom table, the right-angled building empty type bottom table is provided with two, two the front and back sides of right-angled building empty type bottom table are fixed with side frame, two right-angled building empty type bottom table are slidably installed with workbench on the inner wall of one side close to, and the corner position of the left and right outer walls of workbench is integrally formed with L-shaped long arm.The application utilizes gear and rack transmission structure, self-turning anti-falling structure to ensure that metal piece is always protected in front and back during the process of workpiece table moving down, to prevent billet from falling accident due to vibration, misplacement or mechanical failure, to protect the safety of workers, and after the moving of press head, self-turning anti-falling structure will quickly reset, and through pneumatic bidirectional push-pull unit, two longitudinal positioning beams are automatically close, to help the metal piece in offset position to complete automatic centering.

The utility model relates to the technical field of road and bridge construction, and discloses an anti-falling road and bridge construction protective device which comprises a protective fence, the side wall of the protective fence is fixedly connected with a vertical frame, and the top end face of the protective fence is provided with a protective assembly. According to the anti-falling road and bridge construction protective device, the protective dense net prevents building waste generated in the construction process from falling to the position below a road and bridge through the protective fence, so that potential danger to the traffic or environment below is avoided, safety is enhanced, accidents are reduced, the distance between passersby and the protective fence is increased through the protective dense net, and the safety of the road and bridge is improved. The protection dense net faces one side of the edge of the road bridge, even if the pedestrian or the worker accidentally falls down, the protection dense net can block the pedestrian, the protection effect is enhanced, and the occurrence probability of the bridge falling accident is reduced.