82results about "Brakes for specific applications" patented technology

A locomotive comprises a DC power bus, traction motors, batteries, and a charging source, but has no prime mover engine. Each traction motor includes armature and field windings connected in parallel across the DC power bus. The batteries provide power to the DC power bus when in a motoring mode, and receive power from the DC power bus when in a charging mode and a dynamic braking mode. The charging source is connected across the DC power bus to provide charging power to the batteries when in the charging mode. The traction motors also provide charging power to the batteries when in the dynamic braking mode. The power from the charging source is less than the power that would be provided by a prime mover engine. The charging source provides no power to the traction motors when in the charging mode.

Trolley systems and associated rails and tracks may include trolleys having an integrated brake system that can be adapted to slow or stop the trolley based on various control inputs (internal or external). The track system may be formed from either or both of a series of tensioned cables or tracks that are interconnected with transition system and the trolleys, able to transition between track systems. The track system may be fitted with additional braking elements to govern motion of the trolley along a track system. Additionally, the track may be fitted with other elements that provide an external input into the trolley to modify the braking operation of the trolley.

A locomotive comprises a DC power bus, traction motors, batteries, and a charging source, but has no prime mover engine. Each traction motor includes armature and field windings connected in parallel across the DC power bus. The batteries provide power to the DC power bus when in a motoring mode, and receive power from the DC power bus when in a charging mode and a dynamic braking mode. The charging source is connected across the DC power bus to provide charging power to the batteries when in the charging mode. The traction motors also provide charging power to the batteries when in the dynamic braking mode. The power from the charging source is less than the power that would be provided by a prime mover engine. The charging source provides no power to the traction motors when in the charging mode.

A gravity-powered zip line trolley return system for a zip line system having a zip line cable and a trolley configured to traverse the zip line cable may include a mounting block detachably mountable to the zip line cable of the zip line system. A spool bracket may be supported by the mounting block. A first spool may be supported by the spool bracket. A second spool supported by the spool bracket, wherein the first spool and the second spool are rotationally coupled to each other through a gear reduction ratio mechanism and a drive belt. A trolley return line may be windable on the first spool and connectable to the trolley of the zip line system. The trolley return line may be configured to move with the trolley in a forward movement and to pull the trolley in a backward movement as the first spool rotates. A counterweight suspension element may be windable on the second spool. A counterweight may be attached to the counterweight suspension element. The counterweight suspension element may balance the counterweight against gravity depending on rotation of the gear reduction ratio mechanism with respect to the forward or backward movement of the trolley return line with the trolley.

The invention discloses a reciprocating type passenger ropeway constant deceleration control system, and relates to the technical field of brake control. According to the method, the first-stage constant deceleration braking mode and the second-stage constant torque braking mode are set, analysis is carried out through the second-stage braking conversion algorithm, the deceleration abnormal index, the speed tracking abnormal index and the response abnormal index are output, then the mode abnormal total value is obtained, the braking state is judged, self-adaptive mode switching is achieved, and the braking efficiency is improved. Constant braking deceleration is maintained, swinging of a hanging box is reduced, comfort of passengers is improved, brake rubber abrasion is reduced, meanwhile, regional debugging is not needed, and the operation difficulty of a construction site is reduced; hydraulic loop parameters are analyzed through a failure judgment logic algorithm set by the hydraulic redundancy protection module, a loop abnormal total value is output, and hydraulic loop switching is carried out based on the loop abnormal total value; and through visual display of the fault memory interaction module, the safety redundancy of the braking system is improved, fault tracing and maintenance are facilitated, and the running reliability of the cableway is guaranteed.

A locomotive has a power bus that provides power to components of the locomotive when operating in a motoring mode or a charging mode. A plurality of batteries, one or more traction motors, and a charging source are all connected to the power bus. The batteries are operable to provide power to the power bus when operating in the motoring mode, and to receive power from the power bus when operating in the charging mode. The traction motors are operable to receive power from the power bus when the locomotive is operating in the motoring mode. The charging source intermittently provides charging power to the power bus to charge the batteries when the locomotive is operating in the motoring mode or in the charging mode. The charging source is selectively activated and deactivated based at least in part on the state of charge of the batteries.

The invention discloses an intelligent braking device and method for automatically stopping an inclined shaft overhead man-riding device when pedestrians fall. The lower end of the connecting rope is connected with the safety waistband, and the upper end of the connecting rope penetrates through the rope guide ring and is hung on the falling trigger rope through a hook; the supporting box body is fixed to the roadway top through a fixing rod. The guide bracket is mounted at the bottom of the supporting box body; the sliding box body is assembled on the guide bracket in a sliding manner; the rope supporting wheel is installed on the sliding box body and supports the falling triggering rope. The trigger rod is connected to the upper end of the sliding box body and extends into the supporting box body; the operation body is installed at the upper end of the trigger rod and connected with a bottom plate of the supporting box body through a trigger rod return spring. And a left side reed of the movable reed is matched with the operation body, and movable reed contacts on a right side reed of the movable reed are respectively matched with the normally open contact and the normally closed contact. The method comprises the steps that when falling occurs, the movable reed rotates and connects the movable reed contact and the normally open contact, and power supply of the overhead man-riding device is cut off after connection. The device and the method can guarantee the personal safety of pedestrians.

For stopping a zip line trolley, a zip line braking system includes an impact device, a non-zip liner parallel cable, a freewheeling pulley, a tether, and at least one spring. The impact device rides on a zip line cable, wherein the impact device is positioned down the zip line cable from a zip line trolley that rides on the zip line cable. The impact device does not ride on the non-zip liner parallel cable. The tether connects the impact device to a first freewheeling pulley. The impact device applies a force to the first freewheeling pulley via the tether in response to a zip line trolley contacting the freewheeling pulley. The at least one spring is disposed on the non-zip liner parallel cable and slows the freewheeling pulley, wherein the freewheeling pulley decelerates the impact device and the zip line trolley via the tether to a stop.

An overhead man-riding device with an anti-reverse protection function comprises a steel wire rope, a driving mechanism used for driving the steel wire rope to rotate, a rope supporting wheel used for supporting the steel wire rope and a man-riding mechanism arranged on the steel wire rope, and further comprises an anti-reverse mechanism used for braking reverse rotation of the steel wire rope. The reverse rotation preventing mechanism comprises a triggering assembly arranged on the rope supporting wheel and a braking assembly arranged outside the steel wire rope. The invention aims to provide the aerial passenger device with the anti-reverse protection function so as to quickly and effectively brake the reversely-rotating steel wire rope.

The invention relates to the technical field of automatic control, and discloses a parking control and protection method suitable for a high-speed galloping transition cabin. The method comprises the following steps: acquiring the current position of a galloping vehicle; calculating the safe position of the galloping vehicle tail according to the current position of the galloping vehicle; judging whether the safe position of the galloping vehicle tail completely passes through a transition cabin front end gate valve or not; when the safe position of the tail of the galloping vehicle completely passes through the transition cabin front end gate valve, the traction device is controlled to stop traction force output, and the braking device is controlled to execute conventional braking operation; judging whether the galloping vehicle is parked in a set parking area or not; and when the galloping vehicle is not parked in the set parking area and runs across the set parking area, the braking device is controlled to execute emergency braking operation, so that the galloping vehicle is parked in front of the dangerous point. Therefore, safe parking can be achieved in the transition cabin area with the limited length.

The present invention discloses an overhead rail and trolley apparatus and method. The apparatus provides an overhead rail having one or more tracks. A wheeled trolley having a wheel or wheels travels upon the tracks. A stop unit on the rail is positioned to selectively halt the trolley. There is a cutout section on the rail and an insert that is attached to the rail at the cutout. The trolley wheels engage the upper surface of the insert when the trolley is halted by the stop unit. A plating on the insert increases the hardness of the insert upper surface. The insert helps prevent and / or at least lessens wear of apparatus when the trolley is halted by the stop unit.

The invention relates to the technical field of mine tunnel safety, and discloses a monorail crane auxiliary device which comprises an I-shaped steel rail, a monorail crane arranged on the I-shaped steel rail and used for transporting coal mine underground equipment in the working state, and two safety mechanisms symmetrically arranged in the running direction of the monorail crane and used for transporting coal mine underground equipment in the working state. The safety mechanisms are used for being matched with the monorail crane to assist in braking during ramp braking, and each safety mechanism comprises a carrier arranged on the surface of the monorail crane and a pressure mechanism arranged in the corresponding safety mechanism. Through the arrangement of the coordination mechanism and the safety mechanism, when the monorail crane is braked on the underground slope surface, powder in the gas storage tank and powder inside the gas storage tank are conveyed towards the surfaces of the wheels and the surfaces of the I-shaped steel rails through the powder spraying nozzles, so that when the monorail crane is braked to brake the wheels, the powder in the gas storage tank is conveyed to the surfaces of the wheels through the powder spraying nozzles; and meanwhile, the wet I-shaped steel rail is relatively dry, so that the braking efficiency between wheel rails is improved, and the reliable braking force of the monorail crane on a ramp is ensured.

The invention relates to the supplemental generation of energy from operation of a train, and specifically to the generation of energy in connection to the rotation of disc brake rotors in combination

An autonomous road vehicle (210) is transported by a railcar (280) for automated railed travel on a railway (298). During automated railed travel, the railcar (280) is powered by the main power source (212) of the autonomous road vehicle (210) and is driven by the driving automation control system (151) of the autonomous road vehicle (210). A driver control (254) of the autonomous road vehicle (210) enables a human driver to apply emergency braking during both road and railed travel.

The invention discloses a braking system and a train. The braking system is provided with a first wind resistance braking device which plays a role in wind resistance braking on a head train, a second wind resistance braking device which plays a role in wind resistance braking on the top of a middle train, and a third wind resistance braking device which plays a role in wind resistance braking on the side portion of the middle train. According to the scheme, the third wind resistance braking device is matched with the second wind resistance braking device, the third wind resistance braking device can guide airflow located in front of the second wind resistance braking device, the airflow is obliquely and upwards guided to the second wind resistance braking device, and the airflow is reintegrated; according to the high-speed superconductive electric maglev train, high-quality and high-energy airflow is formed in front of the second wind resistance braking device, the influence on the resistance coefficient of the second wind resistance braking device of each middle train is reduced, the influence on the braking force of a braking system is reduced, and safe braking of the high-speed superconductive electric maglev train is ensured.

The utility model relates to the technical field of coal mine equipment, in particular to a mechanical braking device for a driving wheel of a coal mine overhead man-riding device. Comprising a driving wheel set, a cross-shaped square tube, a steel wire rope, a brake assembly and an I-shaped steel support, the I-shaped steel support is fixedly arranged on a monkey vehicle travel frame, the cross-shaped square tube is fixedly arranged at the bottom of the I-shaped steel support, the driving wheel set is rotationally arranged at the bottom of the cross-shaped square tube, and the circle center of the driving wheel set coincides with the center of the cross-shaped square tube; the steel wire rope is arranged on the driving wheel set in a sleeving mode, and the braking assembly is arranged at the bottom of the cross-shaped square pipe and used for controlling braking of the driving wheel set. The device is mechanically braked, so that braking is not affected even if power is cut off. The overhead man-riding device can prevent the overhead man-riding device steel wire rope from reversing and hurting people, is high in sensitivity and ensures safety of people riding the overhead man-riding device. The device is mainly applied to mechanical braking of the driving wheel of the coal mine overhead man-riding device.

The invention relates to a modular brake device (1) for converting the substantially translational energy of a rail vehicle (6), in particular a track-laying machine, comprising a brake module (42) for conversion into another type of mechanical energy and / or into heat and / or comprising a brake module (41, 411, 412) for conversion into electrical energy, wherein: said electrical energy is to be returned to a track-side electrical supply system by means of a transformer (31, 311) and a current collector (7) and / or to be stored in an on-board electrical storage device (32) by means of a current converter and / or to be converted into heat by means of electrical power resistors; a further brake module (41, 16) is designed to completely or partially transmit the translational kinetic energy of the rail vehicle (6) to an on-board fluid system (15, 20).

The embodiment of the invention provides a suspension type air rail vehicle braking system, and belongs to the technical field of railway vehicles, the suspension type air rail vehicle braking system comprises a traction motor and a brake caliper unit, the brake caliper unit is connected with an output shaft of the traction motor, and rotation of walking wheels is limited by limiting rotation of the output shaft of the traction motor; in the braking process, rotation of the output shaft of the traction motor is directly limited through the brake caliper unit, so that in the braking process, the brake caliper unit is completely decoupled from the guide wheel and the walking wheel, the guide wheel is prevented from bearing extra friction force in the braking process, and the problems that in the braking process, the stress of the guide wheel is too large, and a plastic layer is stripped are solved.

A braking device such as for use in a fall-protection apparatus such as a self-retracting lifeline. The braking device may include a velocity -actuated pawl that is configured to be a high-moment-of-inertia pawl, e.g. by equipping the pawl with a ballast element. The device may include an inertia disk that is a damped, e.g. an actively damped, inertia disk. The velocity-actuated pawl may be biased toward a disengaged position, and the inertia disk may be biased toward a home position, by way of a co-biasing arrangement using the same biasing element.

The invention belongs to the technical field of monorail crane walking and braking in explosive environments, and particularly relates to a monorail crane hydraulic driving and braking system for an underground coal mine and a control method. The problems that an existing monorail crane is large in braking impact, the relevance between a driving system and a braking system is not high, and a driving wheel does not have the braking function are solved. The flushing and liquid changing part is used for supplementing liquid to a low-pressure pipeline of the walking driving part, and oil liquid in a high-pressure pipeline of the walking driving part is changed back to the hydraulic oil tank through a flushing valve to be cooled and used for taking away heat generated by the hydraulic driving and braking system in the walking process; the braking function part is used for realizing traveling braking, emergency braking and parking braking of the monorail crane; the liquid temperature control part senses the temperature of the hydraulic oil through a temperature control valve; the bypass valve is regulated and controlled to control the motor fan set to be automatically started and stopped so as to achieve on-demand heat dissipation of the hydraulic oil.

The invention relates to the field of rail conveyors, in particular to a rail conveyor emergency braking structure which comprises a rack and a loading container. The loading container is provided with a wheel shaft, a fixing rod and a brake ejector rod, the wheel shaft is provided with a gear and a brake drum, the gear is meshed with the rack, the brake ejector rod is connected with the fixing rod through an elastic piece, the brake ejector rod is provided with a brake shoe used for abutting against the inner wall of the brake drum for friction braking, and the brake ejector rod is connected with the fixing rod in a clamped mode through a detachable plug pin. And the bolt is connected with a driving device through a pre-tensioning piece. The emergency braking structure of the rail conveyor can trigger braking in an emergency state, does not affect running of the rail conveyor in a normal state, is triggered in a pure mechanical mode, does not need external power supply guarantee, is simple in structure and obvious in braking effect, and can quickly release braking through manual operation after the braking device is triggered.

The utility model provides an inclined roadway rail transport driving mechanism and an inclined roadway rail transport vehicle, and belongs to the technical field of tunnel engineering equipment. The inclined drift rail transportation driving mechanism is loaded with a bearing supporting plate and comprises a driving vehicle; the axle is rotationally connected to the top of the driving vehicle so as to form a rotation pair in the vertical direction; the driving vehicle is connected with the bearing supporting plate through an axle, and the axle is rotationally connected with the bearing supporting plate to form a rotation pair in the horizontal direction; and the motor speed reducer is vertically arranged on the driving vehicle. The inclined drift rail transportation driving mechanism is simple in structure, flexible in operation and capable of further improving the transportation efficiency of an inclined drift rail transportation vehicle and the adaptability to transportation scenes.

An electromechanical assembly for a braking system of a railway vehicle is described, characterized in that it comprises a flywheel arranged to accumulate kinetic energy; wherein the kinetic energy accumulated in the flywheel is sufficient to operate the electromechanical assembly to cause the braking system to perform at least one emergency or service or parking brake action. Also described are a control system for an electromechanical assembly for a braking system of a railway vehicle and a braking system for a railway vehicle.

The invention provides a magnetic track safety braking system for a normal-conducting high-speed maglev train, and the system comprises an electric control subsystem which is installed at the bottom of a train body of the train, and is used for receiving an emergency braking signal, determining the number of magnetic track brakes needing to participate in braking and the magnitude of power-on current according to the weight of the whole train, and transmitting an emergency braking instruction; the magnetic track brakes are installed on the two sides of the bottom of the train walking mechanism in a distributed mode and used for responding to the emergency braking instruction to be powered on, and train braking is achieved by generating electromagnetic attraction to make contact friction with a track; and the storage battery is used for providing braking electric energy for the magnetic track brake. The problem that local stress is too large due to concentrated braking force is effectively solved, and the safety of the braking process and the durability of a vehicle structure are improved.

The application discloses a hydraulic cooperative braking control system for a large-gradient and heavy-load auxiliary transport robot, which comprises a brake cylinder, an oil tank, a pump unit, a first electromagnetic reversing valve and a first electro-hydraulic proportional overflow valve; a brake oil path module is arranged between the brake cylinder and the pump unit; the brake oil path module comprises a second electromagnetic reversing valve, a second electro-hydraulic proportional overflow valve and a pressure sensing unit; the second electromagnetic reversing valve is connected in series between the brake cylinder and the pump unit; the second electro-hydraulic proportional overflow valve is arranged in parallel between the second electromagnetic reversing valve and the brake cylinder and is used for controlling brake cylinder oil pressure; the pressure sensing unit is arranged at a brake shoe and is used for detecting braking force; a control module is connected with the pressure sensing unit at a signal input end and is connected with the second electro-hydraulic proportional overflow valve at a signal output end, and the control module is used for controlling the generated braking force to be maintained at a preset value; and the braking force is dynamically adjusted by means of a plurality of groups of brake oil path modules which do not interfere with each other, the braking force is accurately and constantly decelerated, and large-gradient and heavy-load downstroke working conditions are adapted.

The present invention provides a braking device and a braking method for a suspended monorail vehicle. The device includes an upper bracket, on which an upper rotating plate and a lower rotating plate are rotatably installed; a cylinder is fixed on the upper rotating plate; a rear-end channel is formed by concaving the rear end of the upper rotating plate; a front channel is formed by concaving the front end of the upper rotating plate; an upper brake pad is fixed on the lower side of the upper rotating plate; a through hole is formed by concaving the front end of the upper brake pad; a rear-end channel is formed by concaving the rear end of the lower rotating plate; a front channel is formed by concaving the front end of the lower rotating plate and is matched with the upper channel; a support cylinder for the piston rod to move is rotatably installed in the front channel; the support cylinder is sleeved on the piston rod; a lower brake pad corresponding to the upper brake pad is fixed on the upper side of the lower rotating plate; a through hole is formed by concaving the front end of the lower brake pad. The present invention realizes the braking of the suspended monorail vehicle by the friction between the upper brake pad and the lower brake pad on the track beam, with a large braking force; in addition, the layout space of the brake pads and the lower brake pad becomes larger, which is convenient for layout.

An electromechanical assembly (100) for a braking system of a rail vehicle (200) is disclosed, the electromechanical assembly (100) including a flywheel (101) configured to store kinetic energy, the kinetic energy stored in the flywheel (101) being sufficient to actuate the electromechanical assembly (100) and cause the braking system to perform at least one of an emergency brake, a service brake, or a parking brake operation. Also disclosed are a control system for the electromechanical assembly (100) for a braking system of a rail vehicle (200), and the braking system (200) for the rail vehicle.

The invention discloses a suspended double-track bus, and relates to the technical field of public transportation, and the suspended double-track bus comprises a bus body elevated above a road, magnet tracks arranged on two sides of the road, and a liquid nitrogen supplementing facility arranged on a platform; the bus body is provided with a door type structure stretching across the two lanes, the superconducting magnet is stably suspended on the magnet track through the vehicle-mounted low-temperature maintaining system, and the frictional resistance during vehicle running is effectively reduced. The mechanical guiding and driving system is used as safety redundancy when suspension fails while ensuring direction control and power output. The double-layer door type structure provides large-capacity passenger carrying space and allows social vehicles to normally pass below, so that the utilization rate of road space is increased. A liquid nitrogen supplementing facility arranged on the platform can supplement a cooling medium when the vehicle is parked, and continuous operation of the system is supported. The system provides a low-energy-consumption and high-efficiency transportation mode for urban public transportation.

This invention discloses a constant deceleration control system for a reciprocating passenger ropeway, relating to the field of braking control technology. The invention establishes a primary constant deceleration braking mode and a secondary constant torque braking mode, and analyzes the system using a secondary braking conversion algorithm. It outputs deceleration anomaly indices, speed tracking anomaly indices, and response anomaly indices, thereby obtaining a total anomaly value to determine the braking state. This enables adaptive mode switching, maintaining constant braking deceleration, reducing gondola sway, improving passenger comfort, and reducing brake pad wear. Furthermore, it eliminates the need for area-specific debugging, reducing operational difficulty at the construction site. The invention also utilizes a failure judgment logic algorithm set in the hydraulic redundancy protection module to analyze hydraulic circuit parameters and output a total anomaly value. Based on this total anomaly value, the hydraulic circuit is switched. Finally, the invention enhances the safety redundancy of the braking system through a visual display via a fault memory interaction module, facilitating fault tracing and maintenance, and ensuring the reliability of ropeway operation.

The application discloses a cableway trapped person rescue device based on GPS positioning, which comprises a sliding cable mechanism, a boom and a slow descent device. The sliding cable mechanism comprises a pulley abutting against a steel wire rope, a driving structure for driving the pulley to rotate and a brake structure for braking the pulley. The brake structure comprises a friction plate, which abuts against the pulley in a braking state. The boom is connected to the sliding cable mechanism, and the slow descent device is connected to the boom. The slow descent device comprises a pull rope, which is connected head to tail to form a ring shape. The rescue device directly transports through the cableway, which can transport by using the self-driving structure or through an auxiliary steel cable, and does not need to be carried by rescue personnel, thereby greatly reducing the load of the rescue personnel and reducing the time for reaching the scene. Moreover, the rescue device is equipped with GPS positioning, can accurately position the trapped position along the cableway, quickly transports to the scene and provides positioning.