16 results about "Track brake" patented technology

A system, e.g., for connecting a tie bar or other suspension member to a magnetic device in a magnetic track brake device, includes a bolt, a washer, and a taper dowel. The bolt includes a shaft having a first end and a second end, and a head attached to the first end. The washer is configured to fit about the shaft. The taper dowel is configured to fit about the shaft. The second end of the bolt shaft is configured to fit into a first aperture in the magnetic device, and the taper dowel, disposed about the shaft, is configured to fit within a second aperture in the suspension member. The second aperture corresponds in shape to an outer peripheral surface of the taper dowel, for the bolt to connect the suspension member with the magnetic device.

The invention discloses a magnetic track brake electromagnet coil, a magnetic track brake electromagnet and a preparation method. The magnetic track brake electromagnet coil comprises a winding, a coil frame, an insulating layer, a cover plate and a heat insulation layer. The winding is arranged in a coil groove of the coil rack, and the winding is formed by winding an enameled flat copper wire of which the temperature resistance level is H level or higher; the insulating layer wraps the winding; the cover plate is welded and fixed at the opening of the coil slot and is used for sealing the coil slot; the heat insulation layer is arranged at the position, corresponding to the welding position of the cover plate, in the coil groove and used for blocking heat generated when the cover plate is welded. Damage of welding heat to the coil is effectively avoided, the overall sealing performance and environmental adaptability of the coil are improved, and therefore long-term stable operation of the coil is guaranteed.

The utility model relates to a rail brake device and rehabilitation treatment equipment. The track brake device and the rehabilitation treatment equipment comprise a mounting plate, one end of the mounting plate is arranged in a track, a brake mechanism, a spring and a driving motor are arranged on the mounting plate, the output end of the driving motor is connected to the side, away from the track, of the mounting plate, and one end of the spring is connected to the output end of the driving motor; the braking mechanism comprises a braking push block and a braking block used for abutting against the track, the braking block and the braking push block are connected to the output end of the driving motor, the braking block is arranged on one side of the braking push block, and the driving motor is used for driving the braking push block to rotate. According to the scheme, good braking force can be provided, and the durability of the track braking device is improved while the track is not damaged.

The utility model discloses a kind of driving structure of pneumatic monorail crane, include track, drive frame, rack, driving component and brake component, wherein, track both sides are equipped with sliding groove, top surface fixed rack, support roller on drive frame is embedded in sliding groove, in addition, each group of rack is equipped with a set of driving component, including pneumatic motor, speed reducer, worm worm wheel and walking gear, pneumatic motor power is transmitted to worm through speed reducer, worm drives worm wheel, worm wheel drives walking gear and rack meshing, realizes rack linear motion, brake component contains brake cylinder, brake shoe and spring, cylinder pushes brake arm to make brake shoe clamping tight track brake, spring reset releases brake, enhance safety and stability, the design combines gear rack antiskid, self-locking anti-falling and double brake, suitable for high stability requirement crane scene.

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 utility model discloses a track brake connecting rod assembly belongs to track brake spare technical field, including moving plate, the bottom surface fixedly connected with support frame of moving plate, the below of moving plate is equipped with two industry tracks, the outer surface of two industry tracks all rolls and is connected with track wheel, the end of two track wheels mutual close is fixedly installed with drive shaft in common, the outer surface fixed mounting of drive shaft has two brake drums, one side of support frame is fixedly inlaid with two support cylinders, and the inner wall fixed mounting of two support cylinders has pneumatic cylinder. Through the setting of support cylinder inside pneumatic cylinder, can push linkage board and connecting rod move, can provide power for the quick movement of linkage board and connecting rod, then through the contact of brake pad and brake drum, can produce friction braking force, solve the problem that traditional drive motor braking exists and brakes for a long time, and the response speed is slow, can satisfy the requirement of braking performance to industry track vehicle.

The invention discloses a rack rail clamping vehicle, a driving assembly, a swing frame assembly and a rail braking device of the rack rail clamping vehicle, and the rail braking device comprises a fixing seat, a driving assembly, a swing frame assembly and a rail braking device, the push rod mechanism comprises a push rod of which the free end is provided with a first inclined surface; the movable part can axially move along the through hole, an inclined plane groove comprising a second inclined plane is formed in the upper part of the movable part, and the second inclined plane is in contact fit with the first inclined plane; and the hook piece is provided with a brake block and is fixed at the lower part of the movable piece. When the push rod extends out, the inclined surface cooperatively pushes the movable part to move upwards, so that the brake block abuts against the lower surface of the rail top plate to realize braking; when the push rod retracts, the movable piece moves downwards under the action of gravity to relieve braking. The swing frame assembly comprises a frame body and the rail braking device. The driving assembly comprises the swing frame assembly. The rack rail clamping vehicle comprises at least one driving assembly. The device is high in structural integration degree, small in size and capable of being matched with the underground narrow roadway environment.

The utility model provides a rack rail trapped rail vehicle and a cab thereof, the cab comprises a cab body and a trapped rail brake assembly, and the cab body is fixedly connected to the trapped rail brake assembly through a fastener; the rail clamping braking assembly comprises a top frame and two rail clamping braking parts arranged on the front side and the rear side of the lower face of the top frame. The rail clamping braking part comprises a movable frame, a plurality of elastic devices, a plurality of braking execution pieces and a braking device, and the elastic devices, the braking execution pieces and the braking device are installed on the movable frame; the elastic device is used for making the movable frame close to the top frame so that the braking device can conduct braking on the special-shaped rails on the two sides of the trapped rail vehicle track. The braking execution piece is used for enabling the movable frame to be far away from the top frame so as to release braking of the braking device on the special-shaped rail; the provided rack rail trapped rail vehicle adopts the cab, so that the safety is improved.

Method for determining the available frictional contact between at least one wheel (18) of a rail vehicle (10) and a running surface (12) of a rail on which the at least one wheel (18) rolls, comprising the following steps: - Contact at least one magnetic track brake (20) with the running surface (12) of the rail, - Determine at least one contact force (40) between the at least one magnetic track brake (20) on the running surface (12), - Determine at least one tangential force (42) between at least one magnetic track brake (20) and the running surface (12), - Determining the available frictional engagement between wheel (18) and driving surface (12) by processing at least one contact force (40) and at least one tangential force (42), wherein the at least one magnetic track brake (20) is used in such a way that no significant deceleration of the rail vehicle (10) occurs, and wherein the at least one magnetic track brake (20) is used in such a manner, that the procedure for determining the available frictional engagement is separate from a method for generating a braking force for braking the rail vehicle (10) is carried out.

The invention relates to a magnetic rail brake device (1) for a rail vehicle, having at least: at least one pressure medium actuated actuating cylinder (5), comprising a cylinder housing (10) and an actuating piston (7) movable relative to the cylinder housing (10); at least one magnet device (2), which is lowerable by means of the at least one actuating cylinder (5) into a lowered position onto a rail, in order to generate a magnetic attraction between the rail and the at least one magnet device (2) by means of a magnetic short circuit with the rail, and which is adjustable by means of the actuating cylinder (5) into a raised position lifted from the rail and into any intermediate position between the lowered position and the raised position; at least one raised position recognition device (17), which generates a raised position signal when the raised position is occupied by the at least one magnet device (2) in the raised position.

1. Name of the designed product: brake arm. 2. Use of the designed product: the designed product is used for railway track brake rail. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1.

The utility model provides a material carrying system, and relates to the technical field of semiconductor manufacturing. Comprising a carrying assembly used for carrying materials; the driving wheel set is arranged at one end of the top of the carrying assembly, and the driving wheel set is used for connecting the carrying assembly to the track in a sliding mode and taking electricity from the track to drive the carrying assembly to move along the track; the driven wheel set is located at the top of the carrying assembly, is opposite to the driving wheel set and is used for connecting the carrying assembly to the track in a sliding manner; the brake is arranged on the driving wheel set, and when the rail is powered off, the brake locks the driving wheel set; the standby power supply is electrically connected with the brake when the track is powered off; and the controller is electrically connected with the standby power supply and used for controlling whether the standby power supply supplies power to the brake or not. The working efficiency can be improved, the climbing operation frequency of workers is avoided, the safety risk caused by climbing operation is reduced, and the operation safety is improved.

A system, e.g., for connecting a tie bar or other suspension member to a magnetic device in a magnetic track brake device, includes a bolt, a washer, and a taper dowel. The bolt includes a shaft having a first end and a second end, and a head attached to the first end. The washer is configured to fit about the shaft. The taper dowel is configured to fit about the shaft. The second end of the bolt shaft is configured to fit into a first aperture in the magnetic device, and the taper dowel, disposed about the shaft, is configured to fit within a second aperture in the suspension member. The second aperture corresponds in shape to an outer peripheral surface of the taper dowel, for the bolt to connect the suspension member with the magnetic device.

The invention provides an agricultural machinery steering control transmission system and a crawler-type harvester, the agricultural machinery steering control transmission system comprises a first shaft, a second shaft and a third shaft, the third shaft is in transmission connection with the first shaft, the middle part of the third shaft is rotatably connected with an intermediate gear, and the intermediate gear is in transmission connection with the second shaft; output gears and first transmission gears are arranged on the left side and the right side of the intermediate gear, and the output gears are in transmission connection with the intermediate gear through first clutches on the same sides and are in transmission connection with the first transmission gears through second clutches on the same sides; the second shaft is provided with a second transmission gear, and the second transmission gear is in transmission connection with the second shaft through a third clutch and meshed with the first transmission gear. By the adoption of the steering system, selection of multiple steering modes can be achieved by controlling the three clutches, inertial impact caused by a traditional single-side crawler braking steering mode is avoided, and the operation comfort is improved.

The application discloses a full-width track conveying type cloth laying device, which comprises a rack, a cloth laying main machine, a cloth laying track, a feeding roller, a fabric transfer mechanism, a track tensioning mechanism and a walking belt arranged on the rack, a shearing mechanism arranged on the cloth laying main machine, the cloth laying main machine being in sliding connection with the rack and connected with the walking belt, the cloth laying track and the walking belt on the rack being annular, first, second and third track brakes corresponding to the cloth laying track being arranged on the cloth laying main machine, the walking belt being connected with the track tensioning mechanism, a speed regulating mechanism being arranged between the cloth laying track and the feeding roller, a driving motor being connected with the walking belt, a vibrating roller being arranged on the rack, the vibrating roller being capable of generating vibration on the upper layer of the cloth laying track at a cloth laying part, so that the fabric on the cloth laying track releases tension through the vibration, the deformation during cloth laying is reduced, and the cloth laying quality is improved.

A rail braking and overturn-preventing device of a portal crane comprises a bottom plate, a braking device, a braking driving device and a braking return device, the brake driving device comprises a wedge-shaped block guide column fixedly connected with the wedge-shaped pressing block, a connecting plate hinged to the wedge-shaped block guide column, a driving plate hinged to the connecting plate, a driving plate guide column for guiding the driving plate to slide, a driving plate guide column mounting plate parallel to the driving plate, and a driving plate guide column mounting plate arranged on the driving plate guide column and connected with the driving plate guide column mounting plate. The driving plate spring is positioned between the driving plate and the driving plate guide column mounting plate; the driving plate spring is in a compressed state; the brake return device comprises a return motor, a return lead screw and an electromagnet; the return lead screw is driven by the return motor to axially move and can push the driving plate to move; the electromagnet can attract the driving plate, so that the driving plate cannot be pushed by the driving plate spring; and the electromagnet has magnetism when being electrified to attract the driving plate, and has no magnetism when being de-electrified, and the driving plate moves under the action of the driving plate spring.