1811results about "Safety belts" patented technology

The invention relates to the technical field of high-altitude operation safety protection, in particular to a high-altitude operation safety protection method, system and equipment and a medium, and the method comprises the steps that target data are collected in real time through a sensor, and the target data comprise human body posture data, safety belt tension data and environmental parameters; judging whether the obtained target data meets a falling risk condition or not according to a preset rule; when it is judged that the falling risk exists, the driving structure is triggered to tighten the safety belt braid within preset time to restrain human body displacement. The high-altitude operation safety belt has the beneficial effects that the safety, comfort and reliability of the high-altitude operation safety belt are remarkably improved through an innovative five-point type structural design and optimized materials and processes. Furthermore, a five-point structure can uniformly disperse impact force, reduce local stress and reduce the risk of body injury; the alarm mechanism can avoid accidents caused by improper wearing or wrong hanging according to the wearing state and the hanging state monitored in real time.

An adjustable tethering system is disclosed that includes a primary line, a secondary line, and a capsule. The secondary line is wound about the primary line to form a frictional locking arrangement that resists translation of the secondary line along the primary line when the secondary line is tensioned. The capsule can be manipulated by a user to selectively release the frictional engagement between the primary and secondary lines, thereby enabling controlled transition of the system from a secured state to a state in which the secondary line can translate along the primary line.

A fall-arrest device (1,26) for use during rope-climbing activities, the device comprising or including a housing (5) for rotatably receiving therewithin a brake wheel (11,30) supported on an axle (20), the housing including anchor means (3,4) permitting connection of the device to a user thereof, the brake wheel having peripheral teeth (17,29) adapted to, in use, engage with a mid-portion of an anchored safety rope (2), the housing being openable by a gate (5a) through which to receive part of the anchored safety rope and thereafter being closable to trap the safety rope between the teeth of the brake wheel and a rope bearing thrust surface (18,28) on or in the housing, the brake wheel having associated automatic locking means (23,24), preventing rotation of the brake wheel about the axle above a nominal rate of rotation, the brake wheel locking means being spring-biased (14) to a stored position when the brake wheel is stationary or rotates below the nominal rate during use, the brake wheel locking means (24) being movable from the stored position to an operable position in which it engages with one or more locking formations (23) preventing further rotation of the brake wheel about the axle, the brake wheel axle being drivingly secured at at least one end thereof to a respective pinion (13a, 13b) having teeth extending radially therefrom, the teeth of the or each pinion being engageable with a respective toothed rack (12a, 12b,27) fixed to the inside of the housing whereby to permit the brake wheel to assume a path of movement further towards the thrust bearing surface such that when rotation of the brake wheel exceeds the nominal rate and has been arrested, such that when the rate of rotation of the brake wheel relative to the anchored rope exceeds the nominal rate, the axle and brake wheel are progressively driven further towards the thrust bearing surface to thereby cause the teeth of the brake wheel to progressively bite into the rope and arrest downward movement of the device along the rope.

A harness gear loop is disclosed for use with a harness having a waist belt and a structural core having spaced portions secured to the belt and a central portion between the spaced portions. The harness gear loop may include a core sheath having a groove configured to removably receive the central portion of the structural core while the core sheath extends along and about the structural core. A core retainer selectively retains the core sheath along and about the structural core with the central portion of the structural core residing within the groove and selectively releases the core sheath from the structural core with the central portion removed from the groove while the spaced portions remain secured to the belt.

An aerial lift that is interlocked with a fall-protection safety apparatus and may be further interlocked with at least one additional safety apparatus. The aerial lift is equipped with a monitoring system that is configured to detect whether a connector of a safety line of the fall-protection apparatus appears to be connected to a safety harness of a user of the aerial lift.

An aerial lift that is interlocked with a fall-protection apparatus and is further interlocked with at least one additional safety apparatus. The serial lift is equipped with a monitoring system that is configured to detect whether a connector of a safety line of the fall-protection apparatus appears to be connected to a safety harness of a user of the aerial lift.

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 belongs to the technical field of construction safety ropes, and particularly relates to a safety rope fixing structure for building construction, which comprises an anti-falling fixing box, a locking structure for fixing a safety rope is arranged in the anti-falling fixing box in a limiting and sliding manner, and a fixing and locking table is mounted on one side of the locking structure. The other side of the locking structure is in driving connection with a movable locking table sliding on the locking structure through an electric telescopic rod, and the bottom of the locking structure is connected with a clamping convex block and a clamping concave block through telescopic springs. The locking structure moves downwards along the limiting guide rod under the pulling force of the safety rope, the electric telescopic rod is started through the contact type stroke limiting switch to drive the movable locking table to be matched with the fixed locking table, the safety rope is seized through the locking block and cannot slip off, and then the locking protection effect on the safety rope is achieved; and meanwhile, the clamping convex block and the clamping concave block slide downwards along the inclined guide sliding table and are mutually extruded and close to each other, the safety rope is firmly locked through the clamping convex strip, and the safety guarantee capacity of constructors is improved.

The anchoring device (100) comprises a housing (110), provided with a means (113) of fastening to the height work structure, and a linkage member (120), provided with a fastener (122) which can be hooked by a lanyard (40) to be attached to the operator. The linkage member is movably mounted on the housing along a direction of movement (X120) to move between a retracted configuration. in which the fastener is arranged within an internal volume of the housing to prevent hooking by the lanyard, and an extended configuration in which the fastener is arranged outside the internal volume so that it can be hooked by the lanyard and. once the fastener is hooked by the lanyard. the housing interferes with the lanyard to prevent the linkage member from returning to the retracted configuration. The position of the linkage member in the direction of movement is detected by at least one position sensor (151, 152) arranged in the internal volume.

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.

The invention discloses an intelligent safety belt hook detection method and device based on artificial intelligence, an intelligent safety belt and a medium, and relates to the technical field of intelligent safety belts. The distance parameter is a distance value of the distance measuring sensor relative to the measured object, and the object category identification parameter comprises a parameter used for identifying the material of the measured object; when the distance parameter is smaller than a preset distance threshold value, inputting the distance parameter and the object category recognition parameter into a pre-trained object category recognition model, so that the object category recognition model outputs a material recognition result of the measured object; and determining whether the hook of the intelligent safety belt is hung back to the human body or not according to the material identification result and the preset material category. The real-time response speed and the detection real-time performance are effectively improved, whether the hook of the intelligent safety belt is correctly hung back to the human body or not can be effectively judged, and the detection accuracy is improved.

A personal fall arrest assembly for shortening a response time in event of a fall includes a line, which has a connector and a coupler attached to its first end and second end, respectively. The connector and the coupler are selectively attachable to a structure, or an adaptation to the structure, and to a harness worn by a user, respectively. The line thus tethers the user to the structure. A deceleration device is attached to the line and is absorbs energy as the line arrests a fall of the user. A sensor is operationally engaged to the deceleration device and is detects actuation of the deceleration device. An alert module, which is attached to the line and which is operationally engaged to the sensor, comprises a transmitter so that the alert module selectively transmits an emergency alert upon the sensor detecting actuation of the deceleration device.

An anchor device may be connected to a personal safety line used by a worker, who typically is wearing a safety harness to which the line is attached. The worker may insert an anchoring mechanism portion of the anchoring device into a connection point, then activate a locking feature of the anchoring mechanism to affix it to the connection point. The locking feature comprises multiple jaws which are coupled to each other and to the apparatus so that they expand when tension is applied to the connection point of the personal safety line. The worker, secured in case of fall by the personal safety line, may move about freely, but should a fall occur, the added tension on the personal safety line will increase the force locking the mechanism to the connection point, thus increasing safety. To release the anchoring mechanism, the worker disengages or otherwise unlocks the anchoring mechanism.

A harness rope assembly includes a first rope consisting of a loop, a second rope, a bridge rope, and a third rope. The second rope includes a closed loop, a first free tether, and a second free tether. Each of the first and second free tethers has a free end and an attached end. The attached ends are attached to one another and the closed loop to together form a central splice. The free ends are inserted through the loop and spliced into an interior of the second rope on either side of the central splice to form a first closed attachment loop and a second closed attachment loop both interlocked with the loop. The bridge rope includes an end loop. The third rope is spliced together in a similar manner as the second rope and interlocked with the end loop.

The invention discloses a double-interlocking logic AB type lock hook for a safety belt and a lock hook interlocking system, and relates to the technical field of high-altitude operation safety protection, the lock hook comprises a lock hook controller, the lock hook controller is in communication connection with the following modules: a state sensing module, which is used for monitoring the locking state of a main lock and an auxiliary lock of the AB type lock hook in real time, lock body state information is provided for a lock hook controller; and the control logic module is used for dynamically controlling unlocking and locking permissions of the main lock and the auxiliary lock according to the lock body state information of the state sensing module. According to the invention, a forced alternate locking mechanism is constructed, only the main lock is authorized to be unlocked during initialization, the authority of the auxiliary lock can be activated after the main lock is locked, and the authority chain is automatically reset after the auxiliary lock is locked, so that at least one lock body is always in a locked state in the climbing and hooking process; the risk of hanging in air caused by illegal operation or misjudgment of operators is effectively prevented, and the safety of high-altitude operation is fundamentally improved.

A beam anchor includes first and second arm assemblies, each comprising a torque arm having a jaw portion, and a slotted arm having slotted portions containing an arm slot. The jaw portions oppose each other, the slotted portions are side-by-side, and the torque arm and slotted arm of the first and second arm assemblies are coupled to a pair of braces respectively at a pair of pivot joints. The first arm assembly includes a locking mechanism, movable between a locked position locking the torque arm to its slotted arm, and an unlocked position in which the torque arm is freely pivotable. A connector pin extends into the arm slots, and a load on the connector pin causes the slotted arms to pivot away from each other, and the torque arms pivot to toward each other until the jaw portions engage a web of a beam.

A lineman fall restraint includes a first strap and a second strap connected to said first strap. It further includes a first cam assembly having a through passage. The first strap extends through the passage. A first lanyard first strap and a second lanyard second strap each connect to a portion of the lineman fall restraint. A first loop strap portion of the first strap forms a first portion of a closeable loop. A second loop strap portion of the second strap forms a portion of the closeable loop. The closeable loop adjustable to and from a closed loop and open loop.

An apparatus for reducing wearer fatigue for use in a wearable safety harness system includes a dorsal chassis capable of engagement with one or more shoulder safety straps and one or more lower torso webbing straps, an attachment subassembly comprising of a D-ring, a self-retracting lifeline attachment point, lower torso webbing strap attachment point, and a force-reduction mechanism. The attachment subassembly is attached to the dorsal chassis via the force-reduction mechanism such that force-reduction mechanism absorbs vertical forces produced by the weight of a self-retracting lifeline. The force-reduction mechanism absorbs vertical forces produced by the lower torso webbing strap resulting from the attachment of tools or equipment to the lower torso webbing strap. The arrangement of the apparatus also promotes increased flexibility between the shoulder safety straps and the lower torso webbing straps torso safety strap, thereby reducing wearer fatigue.

The utility model provides a safety belt connecting mechanism which comprises a safety belt connecting device and a connecting part. The connecting part is arranged on the seat or the safety cushion, the safety belt connecting device installed on the safety belt is connected with the connecting part, and the safety belt located on the belly when the safety belt is tied according to the existing technical specifications is pulled and fixed to the connecting part through the safety belt connecting device. Discomfort caused by pressing the abdomen of a passenger when the safety belt contracts can be avoided; according to the safety belt connecting mechanism, the plurality of inserting holes matched with the inserting ends and the locking pieces are arranged on the connecting part, so that proper positions can be selected for connection and fixation according to the body types of passengers, the safety belt connecting mechanism can be suitable for the passengers with different body types, and the use comfort is improved. According to the safety belt connecting device, the locking piece is arranged in a non-gear locking mode or a buckle matching mode, so that the safety belt connecting device can be stably connected with a connecting part on a seat or a safety cushion, and the safety belt connecting device is easy to operate and convenient to disassemble.

An aerial lift that is interlocked with a fall-protection safety apparatus and may be further interlocked with at least one additional safety apparatus. The aerial lift is equipped with a monitoring system that is configured to detect whether a connector of a safety line of the fall-protection apparatus appears to be connected to a safety harness of a user of the aerial lift.

A rope grab includes a housing. A rope seat portion having a rope groove and an accommodating portion are disposed on the housing. A cam member, a locking member that could return after rotation, and a linkage member are pivotally connected to the accommodating portion. The cam member clamps a rope placed in the rope groove. A limiting member is disposed in the accommodating portion and could move back and forth towards the rope seat portion. The limiting member has a limiting wheel for guiding the rope. The locking member has a first arm for restricting the limiting member from moving backward and a second arm. The linkage member has an abutting end and a safety harness attachment portion. The linkage member could selectively abut against the cam member via the abutting end or pivot to a position to move the second arm.

The utility model provides a clamping groove locking type safety belt connecting mechanism. The clamping groove locking type safety belt connecting mechanism comprises a safety belt connecting device and a connecting part. The connecting part is arranged on the seat or the safety cushion, the safety belt connecting device installed on the safety belt is connected with the connecting part, and the safety belt located on the belly when the safety belt is tied according to the existing technical specifications is pulled and fixed to the connecting part through the safety belt connecting device. Discomfort caused by pressing the abdomen of a passenger when the safety belt contracts can be avoided; the sliding groove matched with the connecting rod of the second connecting end and the limiting grooves matched with the connecting bases are formed in the connecting part, the connecting rod can move in the sliding groove, the appropriate limiting grooves are selected for connection and fixation according to the body types of passengers, the passenger seat can be suitable for the passengers of different body types, and the use comfort is improved. The safety belt connecting device and the connecting part are both made of high-strength materials, enough support and protection can be provided for passengers, and the safety performance is improved.

A cable transportation carrier for transporting people includes a connector designed to be attached to an aerial cable. A frame is fixed to the connector and defines a permanent opening onto the outside. An anchor point is provided and is designed to attach a person equipped with a safety harness with a safety connector. The anchor point defines a blocking state and a free state. In the blocking state, the safety connector cannot leave the anchor point. In the free state, the safety connector can leave the anchor point. A locking device presents a locked state and an unlocked state. In the locked state, the locking device keeps the anchor point in the blocking state. In the unlocked state, the locking device allows the anchor point to switch between the blocking state and the free state.

The invention belongs to the technical field of aerial work auxiliary tools, and particularly discloses a tower climbing anti-falling device based on unmanned aerial vehicle auxiliary installation. The hanging assembly comprises a hanging frame butt joint unit and a hanging frame, and the hanging frame butt joint unit is in vertical sliding fit with the hanging frame. The hanging frame is horizontally matched with a shrinkage sliding block in a sliding mode, and a driving piece is arranged on the hanging frame. A locking device is connected to the contraction sliding block, and a locking strip is arranged on the hanging frame. The hanger butt joint unit is connected with a connecting piece, and the connecting piece is connected with a locking device; when the hanging frame butt joint unit slides upwards, the connecting piece drives the locking device and the locking strip to be unlocked, and at the moment, the connecting piece can drive the contraction sliding block to move to the starting point position. When the hanging frame butt-joint unit slides downwards and resets, the connecting piece drives the locking device and the locking strip to be locked, and at the moment, the driving piece can drive the contraction sliding block to move towards the terminal position. The anti-falling device can play an anti-falling role, and the operation safety is improved.

The present invention relates to the safety hook of the personal protective equipment for working at height. In particular to the safety hook with sensor devices, communication capability, and a monitoring system for obtaining the status of the safety system while in use by a user. The safety hook system replaces traditional non sensor integrated system. The hook system monitors the usage of the safety device, monitors whether the hook is attached to objects, size of the attached object and provides real-time feed back to the worker and communicates wirelessly to a monitoring system. The monitoring system, via the communication link, provides real-time status of all workers working at heights and their safety devices utilization when using the safety hook with monitoring.

A height safety trolley and modular rigid rail system for construction and maintenance personnel working at height is designed to allow continuous, smooth and fail-safe operation, for fall restraint and fall arrest, rope access and abseil. The height safety trolley has a connection arm, a clip body and a main chassis operably interfacing a rail engagement mechanism, movable between a rail engagement position to engage a rigid rail, and a disengagement position to disengage the rigid rail. The rail engagement mechanism may comprise integral pivot arms which close simultaneously inwards to engage the rigid rail and outwards to disengage the rail. As such, the trolley is easily and safely attachable and detachable at any position along the rigid rail.

The invention relates to a portable beam anchor system configured for remote attachment and release comprising a beam clamp system, a right and left housing, and an attachment system. The beam clamp system includes a right and left clamp, a latch mechanism, a support member, and a rope attachment member. The size of the right and left clamp and support member correspond to the size of a beam. The right and left housing are positioned to substantially cover the right and left clamp. The attachment system is configured to remotely, slidably translate the right and left clamp toward one another on the support member. The low friction member is coupled to one of the right and left housing. The attachment line extends over the low friction member coupled to one of the housings and is fixably coupled to the other housing.