2390results about "Safety belts" patented technology

A fall arrest system is provided that can be mounted to a ladder or another climbable structure. The fall arrest system includes a cable that extends from an upper member of the fall arrest system to a lower member of the fall arrest system. To couple the cable to the upper member and the lower member, an upper cable supporting assembly and a lower cable supporting assembly are provided. The upper cable supporting assembly may be visible to the ambient environment, and the lower cable supporting assembly may be partially surrounded by a casing with an opening. Thus, the upper cable supporting assembly and the lower cable supporting assembly may be visually inspected without removing housing components. Moreover, the lower cable supporting assembly may include an attenuator for preferably maintaining a desired tension in the cable.

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.

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.

The utility model relates to the technical field of high-altitude anti-falling, and particularly discloses an anti-falling accompanying system externally hung on a guide rail and suitable for various environment working conditions, which comprises the guide rail arranged along the X-axis direction and an accompanying mechanism sliding along the length direction of the guide rail, a plurality of sets of anti-falling tables are arranged on the guide rail, and a limiting groove is formed between every two adjacent sets of anti-falling tables. The following mechanism comprises a sliding block installed above the guide rail, a walking mechanism in sliding fit with the guide rail, a braking mechanism rotationally installed on the sliding block, and an unlocking mechanism installed on the sliding block in a sliding mode and used in cooperation with the braking mechanism, wherein one end of the braking mechanism penetrates through the sliding block to be used in cooperation with the anti-falling table. The braking mechanism is in running fit with the sliding block in the Y-axis direction, and the unlocking mechanism is in sliding fit with the sliding block in the Y-axis direction. According to the utility model, the whole-line safety protection of maintainers in the climbing or passing process under various high-risk environment working conditions is realized, the operation safety under the complex environment working conditions is ensured, and the turning and turning functions are realized.

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.

A system is disclosed. The system comprises a self-retracting lifeline having at least one sensor configured to measure distance parameter with respect to a position of the self-retracting lifeline. A device coupled operationally with the self-retracting lifeline, having a processor and a memory configured to store instructions which when executed by the processor causes the processor to receive the distance parameter with respect to the position of the self-retracting lifeline; determine a lifeline extension limit based on the distance parameter; and execute one or more operations upon reaching the lifeline extension limit, for a safety event. The one or more operations comprise at least one of applying a brake to the self-retracting lifeline and / or triggering an alarm.

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.

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 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.

The invention relates to a high-altitude operation lifeline system for bridge construction, which belongs to the technical field of construction safety and comprises a plurality of support rods and a control module, and any two support rods are connected through a steel wire rope; each supporting rod comprises a lifter and a telescopic rod, each lifter is used for driving the corresponding telescopic rod to move in the axial direction of the corresponding telescopic rod, each telescopic rod comprises an outer rod and an inner rod which are connected in a sleeved mode, each outer rod and the corresponding inner rod are connected through a supporting rod spring in a contraction state, and each inner rod is connected with the corresponding steel wire rope through a rope tensioner; the control module is connected with the supporting rod spring and the rope tensioner, the control module improves damping of the supporting rod spring when the height of the lifter is lower than a threshold value or the density of the supporting rod exceeds the threshold value, and the control module reduces damping of the supporting rod spring when the height of the lifter is higher than the threshold value or the density of the supporting rod is lower than the threshold value. And the damping of the rope tensioner is inversely proportional to the damping of the supporting rod spring.

The invention relates to a safety rope state monitoring method and device, equipment and a storage medium. Whether the safety rope is in the abnormal state or not is judged on the basis of the hooking state of the hook, the height of the hook, the waist area height of the safety rope and the distance between the two hooks, warning is conducted in time when the safety rope is in the abnormal state, and state monitoring and early warning can be conducted on the safety rope; therefore, the operator can timely find the potential safety hazard of the safety rope, the response is quick, and the use safety of the safety rope and the safety of the operator are improved.

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 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.

The utility model discloses a speed difference type falling protector for electric power construction, which belongs to the technical field of electric power construction, and is characterized by comprising a device body, a pulling block is bolted at the top of the device body, a pulling assembly is arranged at the top of the pulling block, a protection assembly is arranged at the top of the pulling block, and the protection assembly is arranged at the top of the pulling block. A steel wire rope is arranged on the inner wall of the device body, an auxiliary limiting assembly is arranged at the bottom of the device body, a buffering assembly is arranged at the bottom of the device body, a limiting plate is arranged at the bottom of the device body, and a speed detection mechanism is bolted to the right side of the limiting plate. The speed difference type falling protector solves the problems that most of existing speed difference type falling protectors are not provided with auxiliary limiting braking work, when a worker falls during operation, a steel wire rope can be pulled to rapidly fall, large force can be generated during emergency braking of the speed difference type falling protector, the situation that a brake wheel is prone to being damaged is caused, and the use effect is affected.

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.