829 results about "Fall protection" patented technology

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.

A connection assembly for a fall protection system of a lift system. The connection assembly includes a connector including a shell housing and an inner sub-assembly. The inner sub-assembly is rotatable relative to the shell housing. A coupler is configured to be selectively connected to and disconnected from the connector, wherein the inner sub-assembly is configured to be rotated in relation to the shell housing to selectively connect the coupler to and disconnect the coupler from the connector.

A braking lever for a fall protection locking system is provided. The braking lever includes a first end defining a speed reduction curve that engages with a guide member of the fall protection locking system, a second end including a shock absorber that deforms during a fall instance, and a connecting portion extending between the first end and the second end. The connecting portion includes at least one hook that engages the second end with the connecting portion. A method of manufacturing a fall protection locking system is also provided.

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 relates to the technical field of elevator speed limiting protection devices, and discloses an anti-falling protection brake motor which is characterized in that an outer spline sleeve (5) is mounted on a rotating shaft behind a motor rotor (3), an inner spline sleeve (9) is sleeved on the outer spline sleeve (5), flail block seats (4) are uniformly distributed on the inner spline sleeve (9), the flail block seats (4) are in sliding fit with flail blocks (10), the flail blocks (10) are tightly pressed on the inner spline sleeve (9) through tension springs (12) surrounding flail block arc grooves (13), and the inner spline sleeve (9) is sleeved with the inner spline sleeve (9). A friction plate (11) is fixed on the flail block (10); a friction shell (8) is fixedly arranged on the motor rear end cover (7), a gap is formed between the friction plate (11) and the inner wall of the friction shell (8), and self-adaptive safety protection is formed. Two linkage devices are arranged on the friction shell (8) in an axial symmetry mode, a pressure plate (15) is arranged on the flail block (10), and linkage type safety protection is formed. The device is low in manufacturing cost, and drives a load to fall safely in a dynamic balance mode.

An industrial door system comprising a door leaf (S'), a motor (47), a drive shaft (50) and a cable drum (51) supported on, and co-rotating with, the drive shaft, a lifting cable (9; 211) suspended from the cable drum and a bottom beam (8; 205) coupled to the lifting cable, said bottom beam being connected to a lower end of the door leaf (8'), wherein the bottom beam and the door leaf are guided during opening and closing in a vertically oriented door frame element (6; 202). An electrically powered fall protection mechanism (1, 2, 3, 18; 201, 203, 204, 216) is, in the energized state, operative to hold either one of a piston (201) movably arranged in or in connection with the bottom beam (205) in a spring-biased rest position, or a step rail (2) movably arranged in the door frame element (6) in a spring-biased rest position.

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.

The utility model discloses a tunnel drainage pipe with a falling protection structure, which relates to the technical field of tunnel drainage pipes and comprises a pipe body and a protection component, the pipe body is of an integrally formed structure, and the protection component is arranged on the surface of the pipe body. The protection assembly comprises a stainless steel woven mesh, a hard alloy protection layer, an epoxy resin coating, a rubber cushion, a polyurethane protection sleeve and an elastic air bag ring. According to the tunnel drainage pipe with the falling protection structure, the overall structure can be reinforced by the device through the protection assembly, and the drainage pipe is protected through the protection structure during falling; through a clamping mounting groove, a clamping mounting ring, a threaded mounting ring, a threaded connecting groove, a main reinforcing ring, an auxiliary reinforcing ring and a reinforcing bolt, the device can achieve quick connection between drainage pipes through a connecting structure, the connecting sealing performance is high, the water leakage phenomenon is not prone to occurring, and therefore traffic accidents caused by road surface water accumulation are reduced, and the service life of the drainage pipes is prolonged. And the service life of the pavement is effectively prolonged.

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.

Methods, systems, assemblies, and / or the like are provided. According to various embodiments, there is provided an absorber assembly including: an absorber body configured to deform under one or more loading forces; a load lock comprising a first counter face and a second counter face, wherein the load lock is configured to prevent deformation of the absorber body when the one or more loading forces are below a minimal threshold; a primary absorbing part configured to deform the absorber body such that the absorber body does not exceed a primary threshold; and a secondary absorbing part configured to deform the absorber body such that the absorber body does not exceed a secondary threshold. In some embodiments, the absorber assembly includes a line of deformation (“LOD”) disposed on or within the absorber body, wherein the LOD comprises one or more radii.

The invention provides an anti-falling protection device and method of a three-coordinate measuring machine and the three-coordinate measuring machine, and aims to realize seamless buffering and tight holding of a Z axis under the condition of accidental gas cut-off, prevent the Z axis from falling and improve the safety and reliability of the three-coordinate measuring machine. The limiting device is used for limiting movement of a z-axis balance guide rail of the three-coordinate measuring machine. The Z-axis damping cylinder is used for buffering a z-axis air floating guide rail of a three-axis moving mechanism in the three-coordinate measuring machine; the detection control unit comprises a first air pressure detection sensor used for detecting the air supply pressure of the z-axis balance guide rail; the second air pressure detection sensor is used for detecting the air supply pressure of the three-axis moving mechanism; the detection control unit controls the operation unit to start the z-axis damping air cylinder to buffer the z-axis air floating guide rail and start the Z-axis band-type brake air cylinder to limit movement of the z-axis balance guide rail according to detected air pressure data.

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.

The invention relates to the technical field of vertical shaft hoists, and discloses a vertical shaft hoist safety protection device which comprises a hoist platform. The protection unit comprises a support installed on the elevator platform, and a stand column is installed on the support; the turnover mechanism is arranged on the stand column and makes contact with a steel rope of the elevator body, and the turnover mechanism carries out the lifting action on the steel rope; and the speed reducing mechanism is used for reducing the speed of the steel rope, so that the steel rope is prevented from being damaged during falling protection. Safety of the steel rope of the elevator body is guaranteed through the turnover mechanism and the speed reducing mechanism, the turnover mechanism rapidly lifts the steel rope when the steel rope tends to fall, rapid falling is avoided, system safety is guaranteed, meanwhile, the speed reducing mechanism can stably reduce the speed, disperse impact force and protect the physical structure of the steel rope, and safety of the elevator is guaranteed. The matching of the two effectively solves the technical problems that the brake device is damaged due to overload of the rope, and the rope loses restraint and slides down.

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.

Techniques are described for monitoring and controlling fall protection equipment. For example, the techniques of this disclosure may be used to monitor the connection status of fall protection equipment, e.g., whether or not the fall protection equipment is connected to a support structure. The techniques of this disclosure may also be used to control the operation of the fall protection equipment based on the connection status.

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.

The invention relates to a balcony for a building, comprising a seating area and a railing surrounding the seating area along a perimeter, wherein the seating area is arranged at ground level, the railing rises above ground level and forms a fall protection barrier for persons on the seating area along its perimeter, wherein the balcony has a planting bed for receiving plants in a planting volume, wherein the planting bed is positioned at the perimeter of the balcony and fixed to the balcony, has a border rising above ground level and forms or replaces a section of the railing for fall protection by means of the border.

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.