187results about "Rail brake actuation" 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 present disclosure provides an emergency valve, including: a valve body (10) comprising an emergency cavity (11), a pressure increasing cavity (12) and an inflation cavity (13) which are spaced apart from one another, wherein an extension direction of the pressure increasing cavity (12) is the same as an extension direction of the inflation cavity (13); an air inlet of the emergency cavity (11) is in communication with a train pipe (71); the pressure increasing cavity (12) is provided with a first communication port, a second communication port and a relief port; the relief port of the pressure increasing cavity (12) is located between the first communication port of the pressure increasing cavity (12) and the second communication port of the pressure increasing cavity (12); the first communication port of the pressure increasing cavity (12) is in communication with a brake cylinder (72); and the second communication port of the pressure increasing cavity (12) is in communication with the emergency cavity (11). The device increases the inflation speed of the train pipe, and achieves the aim of saving energy by utilizing the pressurized air in the brake cylinder.

The invention relates to an assembly comprising a railway braking system (4) for a railway vehicle (1) with brakes having at least one lining or at least one shoe as well as a set of devices for equipping the railway braking system (4), comprising a first device (90) provided with a first mounting member, a second device (21) provided with a second mounting member, and a third device (33) provided with a third mounting member, the assembly comprising a common interface body (34) that is mechanically secured to the actuating mechanism (15) and is at least temporarily mechanically secured to the rotary actuating apparatus (16) and is configured to receive each of the first mounting member, the second mounting member and the third mounting member for at least temporarily mechanically securing at least one of the first device, the second device and the third device to the actuating mechanism (15) and / or to the rotary actuating apparatus (16).

The present invention provides a point-type onboard system for controlling a train, including an onboard antenna, a recording module, a logic decoding module, a power amplification module, an interface module, and a communication module, where the communication module connects to the logic decoding module, recording module, and interface module; the interface module connects to the logic decoding module and recording module; the recording module connects to the power amplification module and logic decoding module; and the power amplification module connects to the onboard antenna. The present invention further provides a train control method of the point-type onboard system for controlling a train.

A system and method for automating railroad maintenance by a tie gang using electronic tie marking (ETM) configured to optimize railroad asset maintenance. The system enables collision avoidance between members of the tie gang performing maintenance on railway assets (e.g., Rails, Ties, Ballasts, Turnouts, Crossings, etc.). The system can generate production numbers for the railway assets and evaluate an asset queue for the tie gang to perform maintenance. The system can utilize real-time updates from the tie gang to optimize work output. The system can provide a customizable user interface to identify, track, and process information related to maintenance of the railroad asset. The system also provides for a heads-up-display (HUD) to notify an operator of relevant information, such as maintenance information, travel indicators, and updated asset queue. The system can identify a next location and calculate an optimum path based on sensor input incorporating machine-specific and environmental characteristics.

The utility model discloses an intelligent manual brake fastener which comprises a fastener body and a hardware circuit, and the hardware circuit comprises a master control module, a wireless communication module, a card reading module, a detection module and a power module. The main control module comprises an MCU and a storage sub-module, the storage sub-module is electrically connected with the MCU, and the MCU is electrically connected with the wireless communication module and the card reading module; the detection module comprises a tension and pressure detection sub-module and an acceleration detection sub-module, the output end of the tension and pressure detection sub-module is connected with the input end of the MCU, and the output end of the acceleration detection sub-module is connected with the input end of the MCU; the power supply module comprises a solar charging sub-module, a wireless charging sub-module, an electric quantity detection sub-module and a battery. According to the utility model, the locking state of the fastener can be detected in real time, workers do not need to inspect, accidents caused by human factors are reduced, brake driving detection is realized, and timely alarming and stopping are realized.

The invention relates to the technical field of mountain track cars, in particular to a mountain track and a mountain track car, which comprises a steel track, a main wheel set is arranged on one side, close to the steel track, of a seat area, an auxiliary wheel set is arranged on one side, close to the steel track, of a pedal area, and the main wheel set comprises an upper main rolling wheel, a lower main rolling wheel and a main wheel set mounting plate. The upper main rolling wheel is located on the side, close to the seat area, of the steel rail, the lower main rolling wheel is located on the side, away from the seat area, of the steel rail, and a brake wheel is arranged on the outer side face of the main wheel set mounting plate and fixedly connected with the lower main rolling wheel through a shaft. By arranging two sets of braking systems which work cooperatively, namely the main wheel set side braking assembly and the auxiliary wheel set side braking assembly, the running safety and adaptability of the mountain track car are improved, the main wheel set side braking assembly enables a lower main rolling wheel to stop rotating, and by combining the structural design of a main wheel set, the running safety and adaptability of the mountain track car are improved. The friction force between the main wheel set and the steel rail can be increased, and meanwhile the risk existing in direct braking is avoided.

The unlocking device (10) extends from a proximal end to a distal end, and it comprises: - a connection part (24) arranged at the proximal end, comprising connection means (28) for connecting the unlocking device (10) to a groove (20) of a door threshold (18), - a telescopic part (42) including a movable rod (44) and a fix part (46), the movable rod (44) being able to slide into the fix part (46), and the movable rod (44) holding a lateral hook (48) at the distal end, and - at least one linkage (53) extending along the unlocking device (10) from the connection part (24) to the movable rod (44), attached to an handle (54) at the proximal end and attached to movable rod (44) at the distal end.

The invention relates to a rail vehicle brake, in particular for freight wagons, comprising a monitoring device and to a method for monitoring a rail vehicle brake. A rail vehicle brake (1), in particular for freight wagons, has a brake lever (1a) comprising a brake shoe (5), a brake cylinder (3), a lever adjuster (4) and a monitoring device (10). The monitoring device (10) has a detection unit (7, 7a, 7b, 7c, 7d, 8, 9) comprising corresponding sensors (71, 72, 73, 74, 75, 77, 81, 82, 90) which are formed by access to an electrical energy supply network of a rail vehicle to be equipped with the supply of electrical energy. A rail vehicle and a method for monitoring a rail vehicle brake (1) are provided.

Systems, assemblies, and / or the like are provided. According to various embodiments, a shuttle car has a first end; a second end; a platform disposed between the first and second ends, wherein the platform is configured to support and transport one or more objects; one or more attachment mechanisms, wherein the one or more attachment mechanisms are configured to be selectively deployed, wherein, when the one or more attachment mechanisms are selectively deployed, the one or more attachment mechanisms are configured to engage with one or more arresting cables and bring the shuttle car to a stop; and one or more locking mechanisms, wherein the one or more locking mechanisms are configured to secure the one or more attachment mechanisms to the first end or the second end of the shuttle car, and wherein the one or more locking mechanism are configured to selectively deploy the one or more attachment mechanisms.

An object is to prevent deterioration of a ride at the time of stopping while suppressing an extension of travel time by attenuating a brake command at the time of stopping. A train control device of an embodiment has a train speed position detection device that detects a speed of a train and a position of the train, a storage section that stores route information and vehicle information, and a control command calculation section that calculates a control command to a drive brake control device based on the detected speed of the train and the position of the train and the route information and the vehicle information, and the control command calculation section changes a position deviation allowable range in a position direction according to a difference between a deceleration of a target deceleration pattern at a speed identical to a train speed prediction value after a prescribed time and the train deceleration prediction value after the prescribed time.

The present application provides a kind of hoisting structure of railway vehicle, it is related to railway vehicle technical field, for hoisting the handlebar of the relief valve pull rod of railway vehicle, the hoisting structure includes: multidirectional rotation hoisting assembly, multidirectional rotation hoisting assembly is arranged in the bottom side of the car body of railway vehicle;Embrace component, embrace component is detachably connected on the connecting portion of multidirectional rotation hoisting assembly, and embrace component is used to embrace the handlebar of relief valve pull rod.It is preferably that multidirectional rotation hoisting assembly includes: lifting seat, lifting seat is connected in the bottom side of the car body of railway vehicle;Joint, joint is rotatably connected on lifting seat around first axis;Lifting frame, lifting frame is rotatably connected on joint around second axis, the hoisting structure utilizes embrace component and is embraced relief valve pull rod, and cooperate multidirectional rotation hoisting assembly, even in vibration process, relief valve pull rod cannot be subjected to friction and impact force, cannot cause relief valve pull rod and anti-off plate abrasion and fatigue fracture.

The utility model discloses a manual release device for parking braking of a rail locomotive vehicle, and aims to overcome the defect that the manual release device for parking braking is failed due to the fact that a sliding block is easily blocked by a manual release device for braking adopting a sliding block-guide rod structure. The pawl and the ratchet wheel are arranged in an offset mode, the pull rod is used for controlling the pawl to rotate, the pawl is connected in the relieving box in a hinged mode and can abut against the ratchet wheel, the ratchet wheel and a non-self-locking screw rod which is in transmission connection with a brake shoe to move are coaxially arranged and are in transmission connection, the pawl comprises a pawl body and a pawl handle, and the pull rod is connected with a sliding rod. The sliding rod is inserted into a guide sleeve of the relieving box and is in sliding connection with the guide sleeve, a check block is arranged at the end of the sliding rod, a movable groove is formed in the check block, and the claw handle extends into the movable groove. The claw handle is contacted in the mode that the movable groove is formed in the check block on the pull rod, so that the pull rod only bears axial tension, and the situation that in an original structure, due to the fact that the sliding block bears eccentric torsional moment from the claw handle, the sliding block is easily pulled or clamped on the guide rod in the resetting process is avoided.

The invention relates to an actuating device (4) comprising an actuating mechanism (11) configured to allow and / or prevent fluid energy communication in order to activate and / or deactivate a determined function of a railway system (3), depending on a configuration of the device, a drive handle (12) mechanically secured to the actuating mechanism and configured to be rotated between a first position in which the device allows a first configuration for activating the function, and a second position in which the device allows a second configuration for deactivating the function, with the actuating mechanism which is rotated when the handle is rotated, an electric drive motor (13) configured to rotate the actuating mechanism and the handle, and an engagement and disengagement mechanism (14) mechanically secured to the motor and to the handle, the engagement and disengagement mechanism allowing an engaged stable configuration in which, when the motor is in operation, the actuating mechanism is actuated and the handle is rotated, and a disengaged configuration when the handle is rotated to actuate the actuating mechanism and when the motor is at rest.

The invention relates to a motor train unit automatic brake pressure data acquisition system and a debugging method. The system comprises a motor train unit test vehicle, a brake pressure data acquisition device, a control and data acquisition mobile terminal and an automatic six-axis manipulator which are connected in sequence. According to the motor train unit automatic brake pressure data acquisition system and the debugging method, the original mode and method of the motor train unit brake pressure data acquisition test process are changed, the test is independently completed by one tester, the test process is improved and optimized, and the effects of reducing staff and improving efficiency are achieved. According to the motor train unit automatic brake pressure data acquisition system and the debugging method, the structure is simple, all test standard requirements and safety requirements are met, and the motor train unit automatic brake pressure data acquisition system has the advantages of being low in equipment failure rate, easy to maintain, very low in maintenance cost and the like.

The invention discloses a hand braking device fastener and a hand braking method. The hand braking device fastener comprises a shell, a rotatable worm is arranged in the shell, a worm gear is arranged on the worm in a matched mode, a threaded rod is screwed in the worm gear through threads, and the end of the threaded rod penetrates out of the shell and is rotatably connected with a hook through a connector. The rotary motion of the screw rod or the worm can be converted into the linear motion of the screw rod so as to tension the chain to realize braking; the shell is further connected with an installation base used for being installed on a vehicle body. The fastener is hung on a vehicle body through the mounting seat and is fixed at a fixed pulley seat of the vehicle; a hand braking chain of the vehicle is hooked by the hook; through meshing transmission of the worm and the worm gear and / or threaded transmission matching of the worm gear and the screw rod, rotary motion is converted into linear motion of the screw rod, and the hook is driven to move and tension the hand braking chain so as to achieve braking. The rail wagon anti-slip device can be operated on the ground and can provide large pulling force so as to improve the safety and reliability of anti-slip work of rail wagons.

A handwheel-actuated, extreme low-profile parking brake mechanism for railway cars, which can be housed in a housing that together with the handwheel does not exceed a width of 6¼ from the side surface of the car, in this way it meets the requirements of the applicable normative specification defined by the same AAR association and by the FRA regulations, thus fitting into the reduced space available for this brake mechanisms on one side of the railway car.

A rail vehicle brake system includes a brake unit (200) that receives an electric brake-force signal (BF) designating a set force value (Fset). The brake unit (200) contains: pressing members (211, 212), a rotatable member mechanically linked a wheel of the rail vehicle, a gear assembly (220) that operates mechanically on the pressing members (211; 212) so as to move them towards or away from the rotatable member, an electric motor (230) that, in response to the electric brake-force signal (BF), acts on the gear assembly (220) to cause the gear assembly (220) to operate the pressing members (211; 212), a load-cell sensor (250) produces a sensor signal (F) representing the force applied by the pressing members (211, 212), and a locking mechanism that locks the pressing members (211; 212). The brake actuator (120) obtains the sensor signal (F). When the magnitude of the applied force matches the set force value (Fset), the brake actuator (120) controls the locking mechanism to lock the pressing members (211; 212). The locking mechanism is self-locking, included in and forms an integral part of the gear assembly (220).

A brake control device (1) for a railway vehicle, which controls a mechanical brake device to generate a braking force by pressing a friction element against a rotator that rotates during a journey of the railway vehicle, comprises an output target value calculation device (12) for calculating a minimum output target value, which is a target value of a minimum pressing force of the friction element, in response to an approach positioning control signal to move the friction element close to the rotator without exerting a deceleration force on the railway vehicle, and a correction control device (13) for performing a correction to reduce the minimum output target value when the approach positioning control signal is input and the actual deceleration of the railway vehicle, as detected by a deceleration detection device, is greater than a target deceleration sought by the railway vehicle.and to output the corrected minimum output target value to the mechanical braking device.

A railway engineering vehicle hand braking device comprises a hand brake, a pulley block, a steel wire rope and a state detection mechanism. The pulley block comprises a detection pulley and more than one guide pulley; the other end of the steel wire rope sequentially penetrates through the detection pulley and the guide pulley to be connected with a vehicle brake rod; the state detection mechanism comprises a pin shaft sensor which is arranged at the detection pulley and is used for detecting the state of the hand brake, an analog quantity input module for collecting a tension signal of the pin shaft sensor, and an alarm device for outputting alarm information; and the control host module is used for receiving and processing the tension signal acquired by the analog quantity input module and then controlling the alarm device to work. The release state of the hand brake of the vehicle can be automatically and effectively monitored, driving of a driver is facilitated, safety accidents caused by checking the release state when the driver gets on and gets off the vehicle on line are avoided, safety risks are reduced, abrasion of brake shoes and wheel treads caused by non-release driving is avoided, and wheels are protected.

A brake assembly for a rail car includes at least one brake element for pressing against a rotor of a rail car wheel in case of a braking action; an actuator for driving the brake element, a linkage for transferring a braking force from the actuator to the brake element, at least one sensor device for measuring at least one parameter of the brake assembly, and the brake assembly further includes a trigger unit configured to enter its active state when a braking action occurs, wherein the trigger unit activates the sensor device in the active state.

This application discloses a release structure and device for train parking brakes, applicable to the field of rail transit technology. During normal train operation, the parking brake isolation valve is open, and the parking brake caliper unit is in a brake release state. When the parking brake isolation valve closes, the gas in the brake cylinder of the parking brake caliper unit is discharged into the atmosphere through the parking brake isolation valve, at which point the parking brake caliper unit is in a braking application state. When the parking brake isolation valve closes, the energization state of the solenoid valve changes to open its own pipe, at which point the solenoid valve opens, and the first bidirectional valve charges the brake cylinder of the parking brake caliper unit through the first air inlet, thus releasing the braking application state of the parking brake caliper unit. With the release structure proposed in this application, after the parking brake caliper unit automatically applies parking brake due to isolation, it is no longer necessary for the driver and passengers to get off the train for manual release, improving operational convenience.

The present invention relates to a rotational angle detection system (1, 1´, 1´´, 1´´´) for detecting a rotational angle of a rotary brake drive (10) for a rail vehicle, comprising: at least one sensor unit (20, 21) for detecting a rotational angle, which sensor unit can be operatively connected to the rotary brake drive (10); and at least one main electronics path for transmitting control signals and / or sensor signals, wherein the at least one main electronics path can be operatively connected to the at least one sensor unit (20, 21), the at least one main electronics path comprises at least one signal transmitter (51, 52, 53, 54) which subdivides the main electronics path into a main electronics path section which is close to the sensor unit (20, 21), viewed from the signal transmitter (51, 52, 53, 54), and a main electronics path section which is remote from the sensor unit (20, 21), viewed from the signal transmitter (51, 52, 53, 54), and the at least one signal transmitter (51, 52, 53, 54) is designed to electrically isolate the at least one sensor unit (20, 21) from the main electronics path section which is remote from the sensor unit (20, 21).

The invention relates to a control mechanism (105) configured to equip a rail system and including a casing (106) from which a control rod (109) projects, configured to be mechanically and securely connected to a control cable (107) actuatable at a distance from or in proximity to the casing, a plate (115) mechanically connected to the casing and from which the control rod projects, and a locking / unlocking device (135) positioned in a recess (124) provided in the plate and having a stable position, the control mechanism being configured so that, when the control cable is mechanically connected to the control rod, the locking / unlocking device is elastically moved away from its stable position to allow the partial introduction of the control cable in the plate as far as a position in which the control cable is mechanically and securely connected to the control rod.

Title: Actuation device for a railway system and railway vehicle equipped with such a system and such an actuation device. The invention relates to an actuation device comprising an actuation mechanism configured to allow and / or prevent fluidic energy communication to activate and / or deactivate a specific function of a railway system, depending on a configuration of the device, a drive handle mechanically attached to the actuation mechanism and configured to be driven in rotation between a first position in which the device admits a first configuration for activating the function, and a second position in which the device admits a second configuration for deactivating the function, with the actuation mechanism being driven in rotation when the handle is driven in rotation.an electric drive motor configured to rotate the actuating mechanism and the handle, and a clutch and disengagement mechanism mechanically attached to the motor and the handle, the clutch and disengagement mechanism admitting a stable engaged configuration in which, when the motor is running, the actuating mechanism is actuated and the handle is rotated, and a disengaged configuration in which the handle is rotated to actuate the actuating mechanism and the motor is at rest.

A low-power-consumption derailment detection apparatus for railway freight cars, said apparatus comprising a detection module, a diagnosis module, an actuation module, a power management module and a storage battery; the power management module is mounted near a center plate of a car body, and is used for controlling the storage battery to supply power to the derailment detection apparatus when the vibration acceleration of the car body is greater than a preset threshold value, and controlling the derailment detection apparatus to power off when the vibration acceleration of the car body is not greater than the preset threshold value; the detection module is used for detecting, by means of through-beam laser technology, the positions of wheel sets relative to the car body, and transmitting a detection result to the diagnosis module; the diagnosis module is used for logically determining, on the basis of the detection result, whether a car has derailed, when detecting that the car has derailed, outputting a derailment signal to the actuation module, and when detecting that the car has not derailed, controlling the derailment detection apparatus to power off after a system operates for a short period of time; and the actuation module is used for controlling, after receiving the derailment signal, the train to perform emergency braking. The derailment detection apparatus has a structure that is conveniently assembled and disassembled; and all devices are mounted on a car body, and thus a connecting ring between the car body and a bogie is omited, thereby greatly reducing the workload of mounting and dismounting the automatic derailment detection apparatus during lifting and lowering of the car. The present application also relates to a detection method.

The utility model discloses a railway hand brake crank arm lock which comprises a brake lock sleeve and a crank arm assembly. And a brake pad is movably mounted on the inner side of the brake lock sleeve. The crank arm assembly comprises a fixing base, a pressing rod, a crank arm rod, a linkage piece and a lock catch arm. One end of the pressing rod and one end of the crank arm rod are rotationally installed on the surface of the fixing base through rotating shafts respectively. Through manual operation, the crank arm rod deflects on the surface of the fixing base, the linkage piece is synchronously driven to deflect, the pressing pin on the linkage piece slides to the pressing opening along the surface of the pressing rod, and therefore the pressing rod is pushed to deflect, and the brake piece is driven to achieve rapid braking. After braking is completed, the stop tongue abuts against the abutting groove to form a self-locking state, loosening and springback are prevented, and stability and safety of braking are guaranteed. The utility model has the advantages of high braking response speed, flexibility in operation, stability in locking, reliability in resetting and the like, and is suitable for various railway braking systems.

The invention discloses a hand brake and a braking method thereof. The hand brake comprises a hand wheel, the hand wheel is in transmission connection with a driving shaft assembly through a reinforcement device, the driving shaft assembly is in meshing transmission with a chain rolling shaft assembly, the chain rolling shaft assembly is in transmission connection with a chain, one end of the chain is fixedly connected with a vehicle body, and the other end of the chain is connected with a brake device of the vehicle body. The shell assembly and the base assembly are connected through a fastener, and a cavity used for containing the driving shaft assembly and the roller chain shaft assembly is formed between the shell assembly and the base assembly. In the braking step, the hand wheel is rotated, the input force is amplified by the boosting device and then transmitted to the rolling chain shaft assembly through the driving shaft assembly, and the chain assembly is driven to be tensioned to achieve braking. Operation intensity of the hand brake can be reduced, output force and stability of the output force can be improved, the problem of easy rusting failure is solved, then hand brake parking capacity and reliability of the railway wagon are improved, and accident risks caused by parking brake failure are reduced.