Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

32 results about "Fall accident" patented technology

High-performance bathing assistance device having improved safety and convenience

Provided is a bathing assistance device for an infant, wherein the infant's resistance due to the strong impact noise generated when using a conventional bathing aid can be eliminated, armrests can operate smoothly, the skin of the infant can be prevented from being caught or compressed in a gap between the upper body and the armrests, by making a play means removable, the infant can replace the play means with his / her preferred safe play means or purchase only the bathing assistance device separately, foreign substances such as washing water and feces which flow into the inside of a tread can be quickly discharged, the bathing assistance device can be easily stored and dried in a bathroom, a falling accident in which the infant slips and falls on an upper portion of a lower body part can be prevented.
Owner:AHN JEONG HYE

Anti-falling system for roof construction

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.
Owner:蒙牛乳业(唐山)有限责任公司 +1

Roof fall prevention type ladder apparatus having auxiliary crossbar

PendingKR1020260112958ASafety wireArchitectural engineering
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.
Owner:KOREA ELECTRIC POWER CORP

Construction high-altitude falling accident intelligent monitoring and early warning method and system

This invention relates to the field of construction fall monitoring technology, specifically to an intelligent monitoring and early warning method and system for construction high-altitude fall accidents. It introduces time-step-based behavioral pattern branches, dividing the regional distribution probability of different behavioral pattern branches; these branches include high-altitude operation mode and edge movement mode; a fusion control vector is constructed based on the scene risk vector and individual deviation vector, and weight vectors and activation masks are calculated to calculate the output channel vector; a fusion feature column vector is established, and the fall risk probability is predicted through a fully connected layer to determine whether an early warning is triggered. If triggered: the fall point is calculated based on free fall, the rope length is calculated in conjunction with the safety rope anchor point, and it is determined whether to calculate the impact velocity and impact force. The elasticity and damping of the safety rope are introduced to calculate the applied force, and a system of first-order ordinary differential equations is established; displacement and impact velocity conditions are set, and the final fall point is calculated in conjunction with the anchor point vector, displacement, and the worker's rope-direction displacement.
Owner:SICHUAN STAR NEW ENERGY TECH CO LTD

A fall-preventing auxiliary tool for climbing a tower

The application discloses a kind of anti-falling climbing iron tower auxiliary tools, it is related to iron tower climbing safety tool field;Maintenance personnel mainly uses anti-falling track to avoid the occurrence of anti-falling accident when climbing high-voltage transmission tower, but anti-falling track is inconvenient to operate, needs matched anti-falling device, and there are simultaneously high installation cost, problem such as invalidation with age, cannot provide convenient and reliable protection for high-altitude worker.The present application comprises the hooking frame of lower end opening, the sealing rod, the slide rail rod, the connecting rod and the handle rod, the sealing rod is rotatably connected to the left side of the lower end opening of hooking frame, the upper end of slide rail rod is connected to the lower end left side of hooking frame, handle rod is slidably matched with slide rail rod, sealing rod, slide rail rod, connecting rod and handle rod form sliding connecting rod mechanism, handle rod is connected safety rope through hanging ring.When falling by accident, sealing rod closes hooking frame, prevent hooking frame from falling off from angle steel, effectively improve the safety of iron tower climbing, simple structure, convenient operation, low manufacturing cost.
Owner:ZHEJIANG ELECTRIC TRANSMISSION & TRANSFORMATION ENG CO +1

High-altitude operation anti-falling safety monitoring method based on data processing

The invention relates to the technical field of high-altitude operation monitoring, and discloses a high-altitude operation anti-falling safety monitoring method based on data processing. The method comprises the steps of obtaining an environmental parameter set of a target operation area, and performing matching query in a historical accident database to determine a historical falling accident feature set; performing risk grade division on the falling accident feature set to obtain a plurality of graded historical falling accident feature sets, and traversing and extracting an environmental risk factor reference value and a risk influence range parameter; taking the risk influence range parameter as a boundary condition of a dynamic monitoring window, and performing multi-dimensional feature capture on the real-time motion data sequence of the high-altitude operation personnel by utilizing a plurality of configured dynamic monitoring windows to obtain a plurality of real-time motion feature sets; and carrying out space-time correlation fusion on the plurality of real-time motion feature sets to obtain a target space-time fusion motion feature set, and taking the target space-time fusion motion feature set as an anti-falling safety monitoring result. According to the method, environment and motion data are fused, and a precise monitoring basis is provided for high-altitude operation falling prevention.
Owner:SUZHOU XUHAN POWER EQUIP CO LTD

Fully local ai watch system and method

To provide a system for detecting an aged person, a person in need of nursing care, and a fall accident at a construction site without depending on a cloud, and issuing an alarm in an emergency while giving a psychological sense of security.SOLUTION: The present invention includes a pose estimation means for estimating a skeleton of a person from a camera image in real time and detecting a falling state, a speech synthesis means for speaking in Japanese when a fall is detected, an interaction generation means for recognizing a person's utterance and generating a polite answer using a generative AI model, and an alarm means for sounding a siren when a negative utterance is detected. They operate in a fully local configuration with RaspberryPi5 and Hailo-8L to achieve both privacy protection and low latency. To integrally perform fall detection, psychological care, and alarm issuance, and to exhibit high usefulness in welfare, nursing, and disaster sites.SELECTED DRAWING: Figure 1
Owner:松尾 信慎

Outdoor elevator anti-falling canopy convenient to install

ActiveCN224679168UControl theoryElevator
The utility model relates to a kind of outdoor elevator anti-falling rain awning convenient to install, belong to elevator technical field, including elevator corridor, the both sides of elevator corridor are provided with multiple canopy board a, the edge side of canopy board a is provided with two canopy board b, the both sides of canopy board a and canopy board b are all opened with several connecting hole positions a, rivet b is inserted in the inside of connecting hole position a, the utility model has the beneficial effect that, between each canopy board, it is fixed between the utility model using drill tail screw with elevator corridor, this connection mode does not need professional welding skill, reduce the requirement to the technical level of construction personnel, reduce the dangerous coefficient of high-altitude work, avoid the falling accident caused by welding failure, simultaneously, modular structure makes installation process more simple and efficient, can greatly shorten installation time, reduce construction cycle, reduce the influence of weather and other external factors on installation progress.
Owner:SICHUAN DISKA ELEVATOR MFG CO LTD

Vehicle falling detection method and system, electronic equipment and storage medium

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.
Owner:QINGDAO MAGENE INTELLIGENCE TECH CO LTD

Anti-falling device for inclined steel cable

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.
Owner:HAIZHIQIAO AVIATION EQUIP (HAINAN) CO LTD

Worker fall prevention system in high-place work area and worker fall prevention method in high-place work area

PCT designated stageWO2026049043A1Safety beltsSafety zoneOperation safety
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.
Owner:SHIBAZAKI TSUTOMU

Detachable protective vertical rod for roof

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.
Owner:ANHUI ZHONGQING CONSTR DEV CO LTD +1

Construction hoist anti-falling protection device

The utility model provides a construction hoist anti -fall protection device relates to hoist protection device technical field, include: hoist body, in the utility model, first, the protection component is located hoist body near the one side of top, and the limit seat is fixed in hoist body top one side, and the support frame is linked to the limit seat through fixed connection, and the transmission motor is installed on the support frame, and its output fixed connection rotating block, when transmission motor starts, and the rotating block drives the movement of its moving block, and the moving block is linked to the moving seat through sliding connection, and the top fixed connection of moving seat has the connecting block, and the guardrail is installed on the connecting block, and the guardrail is fixedly connected with the limiting block, can play the limiting and protection effect through the guardrail, thereby can height adjustment according to the demand of guardrail, satisfy the demand of different staff height, prevent the staff from falling accident when working on hoist body.
Owner:ZHEJIANG JINTIAN TESTING CO LTD

Falling accident real-time early warning method for anti-falling slow descending device

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.
Owner:STATE GRID JIANGXI ELECTRIC POWER CO LTD

High-performance bathing assistance device having improved safety and convenience

The present invention relates to a bathing assistance device for an infant, the device supporting and helping the infant stay upright at the time of bathing and, more specifically, to a bathing assistance device for an infant, wherein the infant's resistance due to the strong impact noise generated when using a conventional bathing aid can be eliminated, armrests can operate smoothly, the skin of the infant can be prevented from being caught or compressed in a gap between the upper body and the armrests, by making a play means removable, the infant or a guardian can replace the play means with his / her preferred safe play means or purchase only the bathing assistance device separately, foreign substances such as washing water and feces which flow into the inside of a tread can be quickly discharged, the bathing assistance device can be easily stored and dried in a bathroom, a falling accident in which the infant slips and falls on an upper portion of a lower body part can be prevented, the infant can be prevented from falling between the ends of the armrests on opposite sides thereof, and water can be prevented from remaining inside the armrests.
Owner:AHN JEONG HYE

Anti-falling construction scaffold

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.
Owner:TIANJIN LIANGHAO CONSTRUCTION CO LTD

Safety belt anti-falling device

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.
Owner:ANHUI ROAD & BRIDGE GRP

A hoisting construction process with fall arrestor for prefabricated buildings

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.
Owner:SUQIAN WEICHUANG ENGINEERING MANAGEMENT CO LTD

Bed Sensor System

ActiveKR102998448B1SimulationSensor system
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.
Owner:HOMEFLIX CO LTD

Lifting frame for building reinforcement construction

ActiveCN224149122UScaffold accessoriesArchitectural engineeringFall accident
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.
Owner:ANHUI MEIYA ANCHORAGE CO LTD

Anti-falling safety glove

The utility model relates to the technical field of protective articles, discloses an anti-falling safety glove, and solves the problems of personal casualties and property loss caused by falling accidents when a worker climbs a vertical ladder. A wrist tightening belt and a forearm tightening belt are fixedly mounted on the outer side of a glove body; a connecting box is fixedly installed on the outer side of the glove body, one end of the connecting box is fixedly connected with a rope, and the end, away from the connecting box, of the rope is fixedly connected with an anti-falling hook. The anti-falling glove has the advantages that the anti-falling hook is connected with the glove body through the rope, so that accidents caused by loosening of the glove body are avoided, then the anti-falling hook is continuously buckled with the vertical ladder in the climbing process of a person, the anti-falling hook can hook the vertical ladder rod when the hand does not grasp the vertical ladder rod and slides off, the anti-falling hook is connected with the glove body through the rope, the person is prevented from falling, and a good protection effect is achieved.
Owner:严忠伟

Road surface anti-falling structure during roadbed collapse and construction method of road surface anti-falling structure

The invention relates to the technical field of road engineering, in particular to a road surface anti-falling structure during roadbed collapse and a construction method thereof.A first anti-falling assembly and a second anti-falling assembly are arranged below a road surface structure layer to form a comprehensive anti-falling system in the longitudinal direction and the transverse direction, and the comprehensive anti-falling system of the anchoring position provides powerful traction constraint; when the roadbed collapses, the pavement structure layer can still be temporarily supported on the first anti-falling assembly and the second anti-falling assembly by means of pulling force at the anchoring position of the inhaul cable, vehicles running at a high speed can still pass on the pavement structure layer for a short time, and the occurrence rate of falling accidents caused by the fact that the vehicles cannot give early warning and brake in time after the roadbed collapses is greatly reduced. And even if the pavement structure layer is damaged and cannot pass through, the vehicle does not fall to the bottom of the landslide pit, but stops on the first anti-falling assembly and the second anti-falling assembly, so that the safety of the road is remarkably improved.
Owner:HUNAN PROVINCIAL COMM PLANNING SURVEY & DESIGN INST CO LTD

Rail type safety falling protector

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.
Owner:GUANGDONG ANJIU ELECTRIC POWER EQUIPMENT CO LTD

Safe anti-falling support for cast-in-situ bored pile

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.
Owner:INNER MONGOLIA ROAD & BRIDGE

Intelligent safety locking system for fall protection in high-rise building construction

PendingCN122281881AActive safetySimulation
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.
Owner:GUANGZHOU ZHAOGUANG SURVEYING & MAPPING TECHNOLOGY CO LTD

Anti-falling device of screw drill

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.
Owner:CNPC BOHAI EQUIP MFG +2

Elevator shaft protection device and method of construction thereof

The application discloses an elevator shaft protection device and a construction method thereof. The length of a supporting assembly is adjusted to adapt to elevator shafts of different specifications, sizes and dimensions. The supporting assembly is obliquely arranged, the lower end of the supporting assembly is supported on a counter-force shaft of a roof support assembly, and the upper end of the supporting assembly is hinged to a wall attachment piece. A platform plate is arranged on the supporting assembly to form an effective protection platform in the elevator shaft, so that the incidence of falling accidents from high places is reduced. In addition, the operation is convenient, time-saving and efficient. After the weight is dispersed to each component, the difficulty of carrying by workers is greatly reduced, and the operation is safer. The application solves the problem of frequent falling accidents from high places in the elevator shaft of super high-rise buildings.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Quick positioning and anti-falling forging platform for forgings

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.
Owner:江西景航航空锻铸有限公司