B66B5/28

Shaft hoisting plant having an overwind brake device

A shaft hoisting plant has a conveyance and an overwind brake device for the conveyance, a travel path for the conveyance, and an overwind path adjoining a lower and/or upper end of the travel path. The overwind brake device includes retaining bars arranged in pairs in a manner spaced apart from one another and extending in a longitudinal direction, energy-absorbing material arranged in the form of plates arranged one above another in the longitudinal direction between the retaining bars. A plow is movable relative to the retaining elements, such that, upon overwinding of the conveyance, the plow deforms and/or destroys the energy-absorbing material between the retaining elements.

Shaft hoisting plant having an overwind brake device

A shaft hoisting plant has a conveyance and an overwind brake device for the conveyance, a travel path for the conveyance, and an overwind path adjoining a lower and/or upper end of the travel path. The overwind brake device includes retaining bars arranged in pairs in a manner spaced apart from one another and extending in a longitudinal direction, energy-absorbing material arranged in the form of plates arranged one above another in the longitudinal direction between the retaining bars. A plow is movable relative to the retaining elements, such that, upon overwinding of the conveyance, the plow deforms and/or destroys the energy-absorbing material between the retaining elements.

BUFFER DEVICE FOR AN ELEVATOR SYSTEM
20220009746 · 2022-01-13 ·

An elevator system with a traveling body movable in an elevator shaft includes a buffer device arranged in a shaft pit of the elevator shaft for limiting the travel path of the traveling body. The buffer device includes a leaf spring and a cushioning element mounted on a frame at the floor of the elevator shaft.

Overwinding buffer device and method for vertical hoisting system

An overwinding buffer device and method are employed for a vertical hoisting system including a derrick and a hoisting container. A hydraulic buffer device is disposed on the derrick, the hydraulic buffer device including at least one buffering hydraulic cylinder and buffering pressure rollers disposed corresponding to the buffering hydraulic cylinders; the buffering hydraulic cylinders are disposed on the derrick; piston rods of the buffering hydraulic cylinders are disposed horizontally and outer ends of the piston rods face towards the hoisting container; the buffering pressure rollers are horizontally fixed on an outer side wall of the hoisting container and arced surfaces of the buffering pressure rollers face towards the piston rods of the buffering hydraulic cylinders.

COMPENSATION GUIDE, COUNTERWEIGHT SCREEN, ELEVATOR AND METHOD

A compensation guide, counterweight screen, traction elevator and method for guiding a compensation element are disclosed. The compensation guide includes a horizontally directed guide opening through which the compensation guide passes. The guide is mounted vertically movably to the counterweight screen.

Elevator car toe guard system

Elevator toe guard assemblies are provided. The elevator toe guard assemblies include an elevator car frame, a buffer located within an elevator shaft, and a toe guard mounted to the elevator car frame. The toe guard has a first state being a fully extended state, a second state wherein the toe guard does not contact a pit floor during operation of an elevator car, and a third state wherein at least a portion of the toe guard is moved relative to the elevator car frame during an impact between the buffer and the pit floor.

Vehicle with shock absorption for transporting passengers on a variable slope track and installation comprising said vehicle
11713212 · 2023-08-01 · ·

The invention relates to a vehicle (1) for transporting people on a sloping track (V) of a cable transport installation, said vehicle comprising a carriage (10) suitable for running on the track (V) while being drawn by at least one traction cable (C1) of the transport installation, a cabin support (120) carried by the carriage (10), an onboard braking device (14) and a shock absorber (13) linked to the onboard braking device and to the cabin support (120), and suitable for transforming the kinetic energy of the cabin support (120) into heat when the cabin support (120) moves relative to the onboard braking device (14) along a shock absorption trajectory in the shock absorption direction, characterized in that the onboard braking device (14) is rigidly connected to the carriage (10) and the vehicle also comprises a slide link (12) between the cabin support (120) and the carriage (10) to guide a movement of the cabin support (120) relative to the carriage (10) along the shock absorption trajectory.

Vehicle with shock absorption for transporting passengers on a variable slope track and installation comprising said vehicle
11713212 · 2023-08-01 · ·

The invention relates to a vehicle (1) for transporting people on a sloping track (V) of a cable transport installation, said vehicle comprising a carriage (10) suitable for running on the track (V) while being drawn by at least one traction cable (C1) of the transport installation, a cabin support (120) carried by the carriage (10), an onboard braking device (14) and a shock absorber (13) linked to the onboard braking device and to the cabin support (120), and suitable for transforming the kinetic energy of the cabin support (120) into heat when the cabin support (120) moves relative to the onboard braking device (14) along a shock absorption trajectory in the shock absorption direction, characterized in that the onboard braking device (14) is rigidly connected to the carriage (10) and the vehicle also comprises a slide link (12) between the cabin support (120) and the carriage (10) to guide a movement of the cabin support (120) relative to the carriage (10) along the shock absorption trajectory.

Automatic rescue operation in an elevator system
11440773 · 2022-09-13 · ·

An automatic elevator safety system includes an elevator safety circuit and an external server. The elevator safety circuit is configured for monitoring the operation of an elevator system comprising at least one elevator car traveling along a hoistway, and an elevator control configured for controlling the movement of the elevator car. At least one of the elevator control and the elevator safety circuit is configured for sending data comprising information about the current state of the elevator system to the external server, in particular in case a safety issue has been detected. The external server is configured for (A) receiving the data sent by the at least one elevator safety circuit; (B) analyzing the received data; and (C) depending on the result of the analysis, sending commands to the elevator system.

Traction machine and lifting equipment

The present application relates to the technical field of lifting equipment, and provides a traction machine and a lifting equipment. The traction machine includes traction pulleys, traction ropes driven by the traction pulleys and fixed pulleys for changing directions of the traction ropes. The fixed pulley is provided with a sensor sensing member rotating with the fixed pulley, a traction machine sensor is arranged beside the fixed pulley; the traction machine sensor is configured to detect a rotation speed of the sensor sensing member, and send the rotation speed to a controller of the traction machine; the controller controls a rotation of the traction pulley according to detected data of the traction machine sensor. Since this kind of traction machine is provided with the sensor sensing member and the traction machine sensor, it is capable of detecting whether the traction machine has an abnormal operation, and stopping the traction machine immediately in an abnormal state.