267results about "Rail brake actuation" patented technology

A device and method for electromechanically braking rail vehicles, wherein the brake system includes a brake control unit configured to provide braking functions and output a force manipulated variable, an actuator control unit configured to provide functions for generating a frictional braking force based on the force manipulated variable and to output an actuation variable, a braking force unit configured to provide functions for generating a frictional braking force based on the actuation variable, a first braking path from functions that are active between control inputs by the brake system and the generation of a braking force, and a second braking path from functions that are active between control inputs by the brake system and the generation of a braking force.

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 relates to the field of railway vehicle fastener tension monitoring, in particular to a railway intelligent fastener based on delta F judgment and burr suppression, and aims to improve the monitoring precision of the railway intelligent fastener. Comprising a tension sensor and a central processing unit, the central processing unit comprises a state recognition module and a self-adaptive filtering module, and the state recognition module is connected with the tension sensor and the self-adaptive filtering module. The state recognition module collects a tension signal output by the tension sensor at a fixed period as a sampling value, calculates a difference value between the sampling value at the current moment and the sampling value at the previous moment, and sends the tension signal to the tension sensor when the difference value is larger than a first set threshold value and smaller than or equal to the first set threshold value. And respectively judging whether the railway intelligent fastener is in an installation state or an operation state. And the adaptive filtering module receives a state judgment result, and performs smoothing processing on the tension signal by adopting an exponential weighted moving average filtering algorithm and a moving average filtering algorithm respectively in an installation state and an operation state.

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 present application discloses a rescue system and method for multiple unit trains, which are applied to the technical field of rail transit. The system includes: a rescue trailing car and a leading car to be rescued that is coupled to the rescue trailing car; the emergency traction control line of the rescue trailing car is connected to the emergency traction control line of the leading car to be rescued, and the driver's control cabin at the non-coupling end of the leading car to be rescued is configured to: perform the traction control of the rescue trailing car in the emergency traction mode; the service brake control line of the rescue trailing car is connected to the service brake control line of the leading car to be rescued, and the driver's control cabin at the non-coupling end of the leading car to be rescued is further configured to: when receiving a service brake application command, control the rescue trailing car and the leading car to be rescued to apply the service brake synchronously; when receiving a service brake release command, control the rescue trailing car and the leading car to be rescued to release the service brake synchronously. By applying the solution of the present application, while realizing the push rescue, the rescue in the form of the leading car's lookout is achieved.

The present invention belongs to the technical field of rail trains, and relates to a rail train hydraulic brake system slow-release device. The present invention also relates to a control method for a rail train hydraulic brake system slow-release device. A reversing valve module (A) includes a shuttle valve (1), a first pressure switch (2), and a second pressure switch (3). A manual pump module (B) includes a manual pump (4), an oil tank (5), and a pressure relief valve (6). The shuttle valve (1) is connected to the oil tank (5) through a first pipeline (7). A manual pump (4) is provided on the first pipeline (7). The shuttle valve (1) is connected to an auxiliary relief unit (9) through a second pipeline (8). The shuttle valve (1) is connected to a clamp (11) through a third pipeline (10). The first pipeline (7) is connected to the pressure relief valve (6). The rail train hydraulic brake system slow-release device of the present invention is easy to operate, can reliably complete relief and braking, effectively prevents the risks caused by misoperation and forgetting to restore the gear position, and reduces the probability of misactivation.

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 invention relates to the technical field of rail locomotives, and particularly discloses a mining rail locomotive auxiliary braking device which comprises a frame assembly, the frame assembly comprises a frame chassis and a wheel axle, rail wheels are arranged at the front end and the rear end of the wheel axle, an upward protruding part is arranged in the middle of the frame chassis, and an auxiliary braking mechanism is arranged in the protruding part. The auxiliary braking mechanism comprises a rotating rod, a counterweight assembly and a semi-bevel gear are fixedly connected to the rotating rod, an L-shaped side plate is connected to the lower surface of the frame chassis, a rectangular plate is arranged on the L-shaped side plate, a vertical shaft is rotationally connected to the rectangular plate, a bevel gear acting with the semi-bevel gear is arranged at the upper end of the vertical shaft, and a cam is arranged at the lower end of the vertical shaft; the problems that a locomotive braking system in an existing mining rail locomotive is prone to damage, and a brake pad needs to be replaced frequently are solved, the whole auxiliary braking mechanism is driven by inertia, a power source does not need to be arranged, and the auxiliary braking mechanism can be effectively suitable for a rear section frame of the rail locomotive.

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 present invention discloses an intelligent railway anti-slip fastener, comprising: a hook, a tension sensor, a bearing, a screw, a nut, a clamping plate, a component housing, a circuit board, a first communication antenna, a second communication antenna, a battery, a speaker, an indicator light, an in-depot Bluetooth beacon, and a track Bluetooth beacon; the circuit board comprises a power management module, a tension acquisition module, a first wireless communication module, a second wireless communication module, a Bluetooth module, a positioning module, a voice module, a charging module, and a microprocessor; the microprocessor is respectively connected to the power management module, the tension acquisition module, the first wireless communication module, the second wireless communication module, the Bluetooth module, the positioning module, the voice module, and the indicator light. The present invention facilitates on-site installation and removal operations, realizes the positioning and tracking of the intelligent railway anti-slip fastener, and accurately determines and promptly issues an alarm if the intelligent railway anti-slip fastener is placed on the wrong track or if the switch is pulled.

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.

The invention discloses a hydraulic braking system of a monorail vehicle, which relates to the technical field of vehicle braking, and comprises an electronic braking control unit used for controlling hydraulic braking force and receiving a vehicle braking instruction through network communication; the hydraulic control unit is used for controlling the oil pressure of the hydraulic system under different brake working conditions; the electric control relieving unit is used for providing oil pressure needed for relieving braking of the hydraulic braking clamp when the hydraulic control unit breaks down; the manual relieving unit is used for providing oil pressure required for relieving the braking of the hydraulic braking clamp when the vehicle has no electricity or both the hydraulic control unit and the electric control relieving unit have faults; the basic braking device is used for braking the rotary motion of the motor shaft; the load sensor is used for collecting vehicle load information; and the electric control box is used for feeding back the emergency braking and parking braking states of the vehicle to the electronic braking control unit. The hydraulic braking system of the monorail vehicle is complete in function, intelligent, safe and reliable.

The utility model provides a coupling braking system and a vehicle. The coupling braking system comprises a first train set circuit, a second train set circuit and a control circuit, a second train group circuit; one end of the coupling switch is connected with the first train group circuit, and the other end of the coupling switch is connected with the second train group circuit; wherein the first train set circuit and the second train set circuit form a braking loop when being coupled, and when a braking signal is received, the first train set circuit and the second train set circuit synchronize the braking loop, and when any one of the storage batteries in the first train set circuit and the second train set circuit fails and cannot supply power, the first train set circuit and the second train set circuit can supply power to the first train set circuit and the second train set circuit. And the first train group circuit and the second train group circuit synchronously brake the brake loop according to the received brake signal, so that the emergency brake synchronous control of the two train groups is realized, and the practical application scene of the coupling brake system in coupling rescue is expanded.

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.

The invention relates to a method for carrying out a brake test in a convoy of track-guided vehicles, in which a measured value describing the braking condition is generated in each vehicle using a sensor and this measured value is compared with at least one predetermined reference value using a computer.According to the invention, it is provided that the time required to apply the brakes in each vehicle of the vehicle group is measured by determining the time difference between a time of an application request to apply the brakes and a time of reaching an application-related reference value, and an error signal is generated if the time required to apply the brakes exceeds a predetermined application-related maximum value, and / or that the time required to release the brakes in each vehicle of the vehicle group is measured by determining the time difference between a time of a release request to release the brakes and a time of reaching a release-related reference value, and an error signal is generated if the time required to release the brakes exceeds a predetermined release-related maximum value.The invention further relates to a vehicle suitable for implementing the described method, as well as a computer program. Advantageously, the method according to the invention can be used to detect degradation of the braking system of the vehicle during operation, and in the event that operational risks arise, a maintenance requirement can be flexibly indicated.