666 results about "Fall protection" patented technology

The invention discloses a waistband type falling protection early warning device for old people living alone, and belongs to the technical field of intelligent wearable equipment. The problems that an existing device is single in early warning mode and cannot effectively guarantee the safety of old people living alone are solved, corresponding action results are matched for various data of the old people through the convolutional neural network and the lightweight decision tree model, and if a preliminary judgment result conforms to a normal mode, a judgment result is directly output; if not, triggering a secondary analysis mechanism to further judge whether the old people fall down or not; the GPS positioner is also used for analyzing whether falling behaviors occur at the same position for many times, and if a high-risk position is found, when the old people approach the high-risk position, the warning lamp and the alarm are used for reminding and paying attention to action behaviors; the fall detection accuracy is improved, the possibility of false alarm and missing alarm is reduced, the old people can be actively prevented from falling again in a high-risk area, and a more comprehensive safety guarantee is provided for the old people living alone.

The invention relates to the technical field of data processing, and discloses an elevator anti-falling self-adaptive protection method and system based on dynamic loads. The method comprises the steps that elevator operation data are collected through a sensor and filtered; calculating steel wire rope tension and load distribution deviation; performing window segmentation processing on the data to identify an abnormal state; evaluating risks in a graded manner based on the abnormality judgment result; executing a corresponding control strategy according to the risk level; the control result is compared with the expected effect, and the mechanical safety device is started when the deviation is too large. According to the method, accurate recognition of the abnormal state of the elevator, scientific quantification of the risk level and dynamic adjustment of the control strategy are achieved, so that unnecessary service interruption is reduced while the operation safety of the elevator is guaranteed, and the accuracy and adaptability of anti-falling protection are improved.

The invention discloses an electric power climbing device with an anti-falling structure and a using method of the electric power climbing device, and belongs to the technical field of electric power construction. An electric climbing device with an anti-falling structure comprises a mounting seat and further comprises an annular seat, the annular seat comprises a first arc plate and a second arc plate and is used for surrounding a wire pole, the first arc plate and the second arc plate are rotationally connected to the two ends of the mounting seat respectively, and positioning assemblies are arranged at the ends, away from the mounting seat, of the first arc plate and the second arc plate; the abutting mechanism is arranged on the mounting base, and the abutting mechanism movably abuts against the wire rod; according to the device, a wire pole can be surrounded, the device is prevented from being separated from the wire pole during climbing, and the device is tightly abutted against the wire pole during climbing of the wire pole, so that the device is effectively prevented from falling off during climbing of the wire pole, and the safety of power construction is improved.

The invention discloses a mining elevator, and relates to the technical field of mining transportation equipment, the mining elevator comprises a guide rail and a car erected on the outer side of the guide rail, and protection mechanisms for carrying out anti-falling protection on workers are symmetrically arranged at the ends of the car; a bridging mechanism erected between the lift car and the mine platform is arranged at the bottom of the protection mechanism. An emergency stop mechanism used for emergency locking is arranged between the guide rail and the lift car. When the protection mechanism is folded, the bridging mechanism can be driven to be put between the lift car and the mine platform, so that workers and goods can enter the lift car conveniently, and when the protection mechanism stretches, the bridging mechanism can be driven to be turned over for shielding, so that the workers in the lift car are protected, and the safety of the workers is improved. And when the lift car falls rapidly due to an accident, the emergency stop mechanism can lock the lift car. The mine elevator disclosed by the invention has the effects of high stability and high safety.

The invention relates to an anti-falling device integration method and system based on light guide rail coupling and deformation control, and the method comprises the following steps: carrying out the stress distribution scanning of a light guide rail through a laser interference measurement system, and obtaining a guide rail stress distribution map; based on the guide rail stress distribution map, carrying out dynamic rigidity analysis on the light guide rail to obtain a guide rail rigidity characteristic curve; carrying out coupling calculation on the light guide rail based on the guide rail rigidity characteristic curve to obtain guide rail coupling parameters; based on the guide rail coupling parameters, structural design and layout optimization are conducted on the anti-falling device, and an anti-falling device integration scheme is obtained; and performing virtual assembly and performance simulation on the integration scheme of the anti-falling device to obtain a performance evaluation report of the anti-falling system, thereby solving the technical problem that the integrated design of the anti-falling system generally lacks in-depth analysis on the mechanical characteristics of the guide rail body, so that potential safety hazards are difficult to find and correct in time.

A fall protection compliance system includes a connection structure configured for interfacing an anchor structure and a connection sensor associated with the connection structure. The connection sensor includes an accelerometer or a pressure switch, where the connection sensor is configured to monitor continued connection of the connection structure to the anchor structure over a period of time and to output a signal indicating said continued connection.

A fall protection compliance system includes a fall limiting device connected to an anchor. The fall limiting device comprises a connection device and a sensor system associated with the connection device. The sensor system is configured to determine whether a connector is connected to the connection device and to transmit a signal based on detecting that the connector is connected to the connection device, where operation of a machine associated with the anchor is controlled based on the signal.

The utility model provides a rigid and flexible guide rail steering reverser, which relates to the technical field of guide rail reversers and comprises a falling protector body, a clamping groove is formed in the falling protector body, a flexible guide rail steel strand is movably mounted on the inner side of the clamping groove, a round sleeve is fixedly mounted on one side of the falling protector body, and a flexible guide rail steel strand is movably mounted on the other side of the falling protector body. A threaded hole is formed in the top end of the round sleeve in a penetrating mode, a telescopic block is movably installed on the inner side of the round sleeve, two round holes are formed in the telescopic block in a penetrating mode, a positioning bolt is installed on the inner side of the threaded hole in a threaded mode, the positioning bolt is located on the inner side of one round hole of the telescopic block, and a finger ring is fixedly installed on one side of the telescopic block. Closed-loop anti-falling protection during high-altitude operation of the iron tower can be achieved, the non-protection state when a rigid guide rail is converted into a flexible guide rail in the operation process is reduced, potential safety hazards are reduced, and accidents are completely eradicated.

A fall arrest roof mount anchor is designed to secure construction and maintenance personnel working at heights, utilising harness and lanyard fall protection equipment. The roof mount anchor comprises a mounting plate having a uniform cross-section defining a raised central portion and side portions for roof attachment. The raised central portion has a swivel eye anchor point for attachment of conventional height safety harness hardware.

A clamp assembly for a fall protection reinforcement post includes a clamp body at least partially defining a slot configured to receive a guardrail therethrough; a post fastener engaging the clamp body and configured to secure the clamp assembly to the fall protection reinforcement post; a slot stop engaging the clamp body and traversing a bottom slot end of the slot, the slot stop configured to prevent the guardrail from disengaging the slot at the bottom slot end; and a clamp spring biasing the clamp assembly to an untightened configuration.

The utility model relates to the field of electric power overhaul and maintenance, and discloses an anti-falling protection device for electric power overhaul and maintenance, which comprises a base, two fixing plates are fixedly connected to the top of the base, a pay-off wheel is rotatably connected between the two fixing plates, a support is arranged on the outer sides of the two fixing plates, and the pay-off wheel is rotatably connected with the two fixing plates. A limiting assembly is arranged between the fixing plate and the support, a hook is fixedly connected to the top of the support, a limiting shell is arranged on the top of the base, a rolling shaft is rotationally connected to the middle of the limiting shell, and a pressing block is fixedly connected to the bottom of the limiting shell. According to the anti-falling protection device, when a worker slips hands and falls down, the rope can extrude the pressing block, the first pull rope pulls the limiting plate, the connecting plate and the clamping plate, then the rope can be clamped, the risk of rope breakage is reduced, the use cost of the anti-falling protection device is reduced, and meanwhile the comfort level of the worker is improved.

A guardrail post assembly includes a post frame defining a first lateral side and a second lateral side opposite the first lateral side; a first guardrail strap mounted proximate to the first lateral side; a second guardrail strap mounted proximate to the second lateral side, the first guardrail strap and the second guardrail strap mounted at equal heights on the guardrail post assembly; and a guardrail attachment assembly mounted to the post frame, the guardrail attachment assembly comprising a strap mounting portion and locking portion, the first guardrail strap mounted on the strap mounting portion.

A clamp assembly for a fall protection reinforcement post includes a clamp body at least partially defining a slot configured to receive a guardrail therethrough; a post fastener engaging the clamp body and configured to secure the clamp assembly to the fall protection reinforcement post; a slot stop engaging the clamp body and traversing a bottom slot end of the slot, the slot stop configured to prevent the guardrail from disengaging the slot at the bottom slot end; and a clamp spring biasing the clamp assembly to an untightened configuration.

The invention belongs to the field of manipulators, and particularly relates to a manipulator of a stacking robot for logistics warehousing, which comprises a machine head, the top of the machine head is fixedly connected with a mounting screw head, the bottom of the machine head is slidably connected with two symmetrically distributed sliding columns, the sliding columns penetrate through the machine head, and the middle sections of column bodies of the sliding columns are fixedly connected with two limiting rings. The two limiting rings are slidably connected with the inner surface and the outer surface of the machine head correspondingly, a connecting column is inserted into the bottom of the sliding column, a quick release mechanism is jointly arranged between the connecting column and the sliding column, and a clamping jaw shell is fixedly connected to the bottom of the connecting column. An original clamping jaw is arranged to be a hollow clamping jaw shell, then an anti-falling protection mechanism is arranged in the clamping jaw shell, when a clamping plate is pressed to retract inwards, a waist wheel rotates to drive a shovel plate to horizontally stretch out, bottom support of goods is formed, sliding caused by insufficient clamping force is prevented, meanwhile, a fourth spring exerts reset force on the waist wheel through a cushion block, and the clamping jaw is prevented from falling off. And the shovel plate can be automatically withdrawn after being unloaded.

A guardrail post assembly includes a post frame defining a first lateral side and a second lateral side opposite the first lateral side; a first guardrail strap mounted proximate to the first lateral side; a second guardrail strap mounted proximate to the second lateral side, the first guardrail strap and the second guardrail strap mounted at equal heights on the guardrail post assembly; and a guardrail attachment assembly mounted to the post frame, the guardrail attachment assembly comprising a strap mounting portion and locking portion, the first guardrail strap mounted on the strap mounting portion.

A fall protection system and method, particularly for attenuating shocks transmitted to a person's body by a safety line, such as a rope or cable, after a fall or while being deliberately lowered from an overhead anchor point. A shock absorber assembly is incorporated in or on the safety line, deployed between the person and the safety line anchor point.

A worker protection cage that is deployed from above a bulk transport container and helps guard against workers falling from the container includes an elevating platform, which in turn includes a base frame. A lift mechanism carries the base frame and selectively raises and lowers the base frame, which carries a floor that includes a plurality of floor extensions that are moveable to change the area covered by the floor. A lateral extender is coupled to the base frame. A fence is pivotally coupled to the lateral extender. Each of a front cage and back cage is carried by the base frame and includes a swing gate that controls access to the respective cage.

An elevator system has an elevator car with a roof on which roof a balustrade is arranged as a fall protection for delimiting an accessible inner region on the roof. The balustrade includes a guide rail engagement means via which the balustrade can be brought into engagement with a guide rail by a latching mechanism for a secure position such that the balustrade is supported inwardly and outwardly on the guide rail in the secure position.

The application relates to the technical field of anti-falling machine, and discloses an underground ore hoist anti-falling protection device, which comprises a hoist body, a protection frame fixedly installed on the outer side of the hoist body, two groups of anti-falling rail frames fixedly arranged on the inner side of the hoist body, a hoist platform fixedly installed on the two sides of the hoist body, a anti-falling device body fixedly installed on the two sides of the hoist platform, two groups of detection components arranged between the one end of the anti-falling device body and the anti-falling rail frames, two groups of processing components arranged at positions close to the two groups of detection components between the one end of the anti-falling device body and the anti-falling rail frames, and two groups of fixed shafts fixedly arranged on the inner side of the upper side of an anti-falling device body mounting plate. The underground ore hoist anti-falling protection device can realize overall cooperation, the displacement sensor can detect the displacement of the roller ring in real time, and the hidden danger can be timely treated and corrected when the feedback displacement distance is relatively large.

The utility model discloses an anti-falling device capable of automatically locking, which relates to the technical field of anti-falling and comprises a hook body, the hook body comprises a handheld handle, an arc-shaped transmission arm extending from one end of the handheld handle and a hook head section extending from one end, far away from the handheld handle, of the transmission arm, and the handheld handle, the transmission arm and the hook head section are matched to form a hook-shaped structure. A sliding groove is dug in the transmission arm in the extending direction, the sliding groove is of an opening structure on the side face of the hook body, a transmission assembly and a locking assembly abutting against one side of the transmission assembly are arranged in the transmission arm, a contact part of the transmission assembly is located on the inner side of the connecting portion of the hook head section and the transmission arm, and one end of the contact part extends out of the hook body. The device has the effect of improving the safety during high-altitude operation.

The invention provides an unmanned aerial vehicle iron tower hanger anti-falling protection device, and relates to the technical field of electric power tools, the unmanned aerial vehicle iron tower hanger anti-falling protection device comprises an unmanned aerial vehicle, an adjustable lifting hook and a protection hanger main body, the adjustable lifting hook is connected below the unmanned aerial vehicle, an electromagnetic locking device is arranged below the adjustable lifting hook, and the electromagnetic locking device is used for locking and connecting the protection hanger main body. The protection hanging rack body is used for being in butt joint with a cross arm, and the lower portion of the protection hanging rack body is connected with a flexible guide rail. The unmanned aerial vehicle brings the protection hanging frame body to the corresponding position above the iron tower and fixes the protection hanging frame body to a cross arm at the head of the iron tower, the flexible guide rail extends to the bottom of the tower, and after an operator under the tower tests that the flexible guide rail is reliably connected, the speed difference protection self-locking device is connected with the safety belt buckle ring in a buckled mode to be matched with the flexible guide rail, so that the protection purpose is achieved; double protection can be provided for power transmission professional pole tower climbing operators in the pole tower climbing and transposition process, and the accident that the operators fall from high positions is prevented.

The application provides a fall-preventing triangular profile structure and a mounting method. The triangular profile structure comprises a triangular cross-section structure formed by sequentially connecting a first side 1, a second side 2 and a third side 3; an angle alpha between the second side 2 and the third side 3 is 90-120 degrees; an angle beta between the first side 1 and the second side 2 is 30-60 degrees; the length of the third side 3 is less than the length of the first side 1; and an anti-skid structure is arranged on the bottom surface of the third side 3. The technical scheme can simplify the construction process, improve the operation flexibility, and save the construction cost.

A harness shock absorber assembly for a personal protective equipment and a harness shock absorber for such a shock absorber assembly. The shock absorber assembly comprises a deformable element exhibiting a mechanical resistance against deformation and a flexible strap comprising a middle portion and two protruding portions facing away from each other. The middle portion is tightly wrapped around the deformable element such that pulling the protruding portions away from each other deforms the deformable element. A fall protection safety harness comprising a harness shock absorber assembly according to the present disclosure. A method of retrofitting a harness shock absorber according to the present disclosure to a fall protection safety harness or to a SCBA harness. The method comprises the steps of: providing a fall protection safety harness or a SCBA harness comprising a strap, providing a shock absorber according to the present disclosure comprising a deformable element; and wrapping at least one of the flexible straps of the harness tightly around the deformable element of the harness shock absorber to form the harness shock absorber assembly. The deformation of the deformable element of the harness shock absorber assembly absorbs energy impacting on the personal protective equipment and thereby protects the user's body from impacts or injuries. The shock absorber assembly can easily and reliably be retrofitted to a fall protection safety harness or to a SCBA harness and thereby increase the safety for the user.

The invention discloses an intelligent clamping jaw special for a wafer box with an anti-falling protection function, the intelligent clamping jaw comprises an assembly plate, a main plate frame, a left clamping plate and a right clamping plate, the assembly plate is fixed on the end face of one side of the main plate frame, the assembly plate is connected with an external mechanical arm, and the left clamping plate and the right clamping plate are slidably connected to the left side and the right side of the main plate frame respectively; the opposite faces of the left clamping plate and the right clamping plate are each provided with a lifting plate, and each lifting plate is formed by combining lifting blocks. Correlation switch sensors are symmetrically arranged on the front side and the rear side of the lifting plate on the opposite surfaces of the left clamping plate and the right clamping plate; a clamping sensor is arranged in each lifting block; the left clamping plate and the right clamping plate can elastically deform, are of a straight plate type rigid structure in common clamping use and can restore to an arc-shaped structure from the straight plate type structure during emergency triggering, the holding effect on the wafer box is achieved, and anti-falling protection in the wafer box transportation process is achieved.

The utility model discloses an anti-falling protection device for climbing operation, and belongs to the field of protectors. The technical scheme adopted by the utility model is that the anti-falling protection device for climbing operation is used for holding and locking a power transmission line located at a high position so as to provide an auxiliary supporting point for a worker who carries out high-altitude operation, and comprises a counterweight piece, two ends of the counterweight piece are respectively provided with a traction assembly and a safety rope, an abutting groove used for abutting against the power transmission line is formed in the side, close to the safety rope, of the balance weight piece, and automatic locking mechanisms used for locking the safety rope are symmetrically arranged on the side wall of the balance weight piece. According to the utility model, the automatic locking mechanism is started to lock the safety rope on the counterweight piece, so that the safety rope is firmly fixed on the power transmission line, the process operation is simple, the practicability is strong, the fixing strength of the safety rope is high, a safe and reliable safety belt fixing point position is effectively provided for working personnel during aloft work, and the working efficiency is improved. And personal safety of workers is guaranteed.

The invention relates to the technical field of iron towers, and provides an iron tower anti-falling device welding and fixing tool which comprises a protection plate, a supporting frame is fixedly connected to the top of the protection plate, and a welding structure is arranged at the top of the supporting frame; a fixing device is arranged at the top of the protection plate and comprises a fixing plate. By means of the technical scheme, the problems that in the prior art, the anti-falling device cannot be clamped and fixed easily, displacement of the anti-falling device in the welding process is prevented, the position and the fixing state of the anti-falling device cannot be controlled accurately easily, displacement or deviation of the device due to vibration or external force in the welding process cannot be avoided easily, and the welding quality is affected are solved. The problems that welding operation precision and stability are difficult to ensure, poor welding or potential safety hazards caused by position deviation are reduced, any accidental displacement of an anti-falling device in the welding process is difficult to effectively prevent, and fixity of a tool in the whole operation process is difficult to ensure are solved.

The invention discloses an anti-beam-falling multistage self-emergency protection inhaul cable and an emergency anti-beam-falling protection method thereof. A bridge lacks multiple processing modes related to anti-beam-falling processing. The top side of a steel sleeve is fixedly connected to the bottom face of a box girder body through a connecting cushion block, a support is vertically arranged on the outer side wall of a bridge pier, a built-in stranded wire assembly is arranged in a connecting pipe in a penetrating mode, a first metal rubber block is arranged on the outer wall of one end of the steel sleeve, and the outer side of a second metal rubber block is arranged on the inner wall of the other end of the steel sleeve. One end of the connecting pipe is connected with the support, the other end of the connecting pipe sequentially penetrates through the steel sleeve, the first metal rubber block and the second metal rubber block and then is connected with the first limiting head, and the connecting pipe is fixedly sleeved with a middle limiting steel ring; according to the method, the connecting cushion block, the steel sleeve, the connecting pipe, the built-in stranded wire assembly, the first limiting head, the support, the middle limiting steel ring, the first metal rubber block and the second metal rubber block are matched with one another to achieve the two-stage emergency protection process when the box girder body tends to fall down.

This utility model relates to the field of fall arrestor fasteners and discloses a fall arrestor positioning fastener device for high-altitude workers, solving the problem of the inconvenience of quickly adjusting the length of the fastener. It includes a housing with two hooks on its outer side. An adjustment mechanism is provided on the housing, and a limiting mechanism is provided between the hooks and the adjustment mechanism. The adjustment mechanism includes a rotatably connected roller inside the housing. One end of the roller extends to the outer side of the housing and is fixedly connected to a handwheel. A limiting disc and a limiting disc are symmetrically fixedly sleeved on the outer side of the roller, both located inside the housing. A rope is wound around the outer side of the roller, located between the limiting discs, with both ends extending to the outer side of the housing. This utility model can limit the roller to prevent arbitrary rotation, thus facilitating quick adjustment of the fastener length as needed.

The utility model discloses an anti-falling track and a T-shaped anti-falling structure. The anti-falling track comprises sub-tracks, connecting plates and fasteners, each branch track is provided with a horizontal plate and a vertical plate, and one end of the vertical plate is connected to the horizontal plate; the end part of the first sub-rail is linearly close to the end part of the second sub-rail, and the wavy convex block extends into the wavy interface; a plurality of linearly arranged connecting holes are formed in the connecting plate in the length direction, the plane of the connecting plate is in contact with the vertical plates of the first sub-rail and the second sub-rail, and the connecting plate extends to the end of the second sub-rail from the end of the first sub-rail; fixing bolts penetrate through the connecting holes and the vertical plate holes and then are matched with fixing nuts, so that the first sub-rail, the second sub-rail and the connecting plates on the two sides are fixed into a whole, and the first sub-rail and the second sub-rail are linearly aligned. According to the scheme, the wavy protruding blocks and the wavy connectors are connected in a staggered mode, and the phenomenon that the falling protector is blocked when sliding and passing through the rail butt joint position can be avoided.