362results about "Rail brake actuation" patented technology

The invention provides an emergency braking release control device. The emergency braking release control device comprises a main control relay, a main control monitoring relay, a switching relay and a state holding relay. A first normally open contact of the master control relay is connected in parallel with a normally open contact of the master control monitoring relay, and a first common end of the first normally open contact of the master control relay and the normally open contact of the master control monitoring relay is electrically connected with an output end of the power supply. The second common end is electrically connected with the first end of the normally open contact of the switching relay and the first end of the normally open contact of the state holding relay; the second end of the normally open contact of the transfer relay and the second end of the normally open contact of the state holding relay are electrically connected with an intermediate connection point; the intermediate connection point is electrically connected with the first normally closed contact of the main control relay and the coil of the emergency braking release relay in sequence; the input ends of coils of the emergency braking release relays of the head car and the tail car are connected with each other, and a plurality of normally open contacts of the trigger condition relays are connected in series between middle connecting points of the head car and the tail car.

Electromechanically braking rail vehicles is performed using a brake system that includes a brake controller with a first brake control unit providing braking functions and outputting a force manipulated variable, and a first actuator control unit providing functions for generating a frictional braking force based on the force manipulated variable and outputting an actuation variable. An actuator includes a second brake control unit providing braking functions and outputting a force manipulated variable, a second actuator control unit providing functions for generating a frictional braking force based on the force manipulated variable and outputting an actuation variable, and a braking force unit providing functions for generating a frictional braking force based on the actuation variable. First and second braking path are provided from functions that are active between at least one control input by the brake system and the generation of a braking force.

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.

An anti-collision protection device for a mining monorail crane belongs to the technical field of underground safety and comprises two fixing supports, the two fixing supports are fixedly arranged at the front end and the rear end of the monorail crane, and a hydraulic ball valve is fixedly arranged on each fixing support. An oil inlet and an oil outlet of the hydraulic ball valve are respectively connected with the brake oil cylinder through a hydraulic oil pipe, a control handle of the hydraulic ball valve is vertically arranged, the control handle is fixedly connected with a touch rod, and the end, away from the control handle, of the touch rod extends in the direction away from the monorail crane. The touch rod moves towards the direction of the monorail crane under the action of impact force, the touch rod synchronously drives the control handle to act so as to open the hydraulic ball valve, then the brake oil cylinder can be controlled to be started, instant stopping is achieved, accidents are reduced, the monorail crane is prevented from being collided, and the anti-collision protection device is simple in overall structure and convenient to operate. The device is convenient to install and use, low in use cost, simple in trigger control mode, higher in trigger reaction speed and higher in use safety performance.

Various systems and methods for braking a vehicle are provided. In one embodiment, a brake assembly is provided that includes a lever attachment interface pivotally coupled with two degrees of freedom to a joint between a first lever and a second lever and a brake cylinder coupled to the first lever and designed to engage and disengage a brake lining in a brake component. The brake cylinder includes a slack adjuster configured to adjust a throw of the second lever.

The present invention discloses an integrated braking system and working method for a railway freight car, which solves the problem of scattered distribution of the braking system in the prior art and has the beneficial effects of realizing integrated installation, convenient installation and maintenance. The specific scheme is as follows: An integrated braking system for a railway freight car, comprising an air brake module, the air brake module is located on one side of a basic brake module, the air brake module and the basic brake module are arranged side by side, the air brake module comprises a brake module hanger that can be installed on a frame, the brake module hanger supports a brake air cylinder and a distribution valve on a side away from the frame, the brake air cylinder is connected to the distribution valve, a first branch pipe of the distribution valve is connected to a train pipeline, a second branch pipe of the distribution valve is connected to the basic brake module through a multi-way joint, the multi-way joint is also connected to an empty-load vehicle conversion device to realize the connection between the basic brake module and the empty-load vehicle conversion device, the distribution valve is located on the outside of the brake module hanger, and the brake air cylinder is located on the inside of the brake module hanger.

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 invention comprises a braking device for installation in the intermediate space (ZR) between the wheels of a twin axle of a track-guided vehicle. The braking device (BV) consists of two sub-units that are movable relative to one another, namely a first sub-unit (TE1) with brake pads (BRB) for the wheels of the first axle of the twin axle and a second sub-unit (TE2) with brake pads (BRB) for the wheels of the second axle of the twin axle. In the installed state, the sub-units are displaceably mounted such that displacement of the sub-units creates contact between the brake pads (BRB) and the wheels. At least one distance sensor (ABS) is arranged in one of the sub-units of the braking device (BV). The distance sensor (ABS) is configured to measure a distance between the first sub-unit (TE1) and the second sub-unit (TE2).Furthermore, a track-guided vehicle with a twin axle, a distance sensor, a method for operating a braking device and a computer program are included.

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.

An emergency valve having an emergency accelerated release function, comprising: an emergency valve body, having an emergency cavity, an air inlet of the emergency cavity being in communication with a train pipe; and an inflation valve, comprising an inflation valve body, a first valve core and a second valve core, wherein the inflation valve body has a driving cavity and an inflation cavity which are spaced apart; the first valve core is movably arranged in the driving cavity and divides the driving cavity into a first driving cavity and a second driving cavity, and the second valve core is movably arranged at an air outlet of the inflation cavity, and an air inlet of the inflation cavity is in communication with a brake cylinder, the air outlet of the inflation cavity is in communication with an air inlet of the first driving cavity, and an air outlet of the first driving cavity is in communication with the emergency cavity, and the second driving cavity is in communication with an emergency chamber; wherein the first valve core has an inflation position at which the second valve core is pushed away from the air outlet of the inflation cavity, and a blocking position at which the second valve core is released.

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.

A self-lubricating manual brake device of a railway wagon comprises a brake disc and a brake friction piece. The brake disc is synchronously installed on a shaft body of the transmission shaft, two sets of brake clamping jaws are erected at the upper end and the lower end of the brake disc, the brake ends of the brake clamping jaws make friction contact with the brake disc through brake friction pieces, and the drive ends of the brake clamping jaws are in transmission connection with a built-in drive shaft section of the manual brake mechanism through piston assemblies. According to the self-lubricating manual braking device of the railway wagon, a spiral feeding driving mode is adopted, and the technical problems that potential safety hazards exist when a pull rod is manually adjusted to complete braking in the past, and meanwhile operation is inconvenient are solved. And meanwhile, due to the bidirectional symmetrical braking design, the braking efficiency can be improved, and meanwhile braking balance can be kept. In the braking process, the braking progress can be judged by observing the transmission state of the driving shaft section.

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.

Title: Railway braking system for a railway vehicle with brakes having at least one lining or at least one shoe The invention relates to a railway braking system comprising an actuating mechanism (15), a rotary actuating device (16) configured to be manually rotated in a first direction of rotation and to actuate the actuating mechanism to put the system in an applied parking handbrake configuration, and to be manually rotated in a second direction of rotation opposite to the first direction and to actuate the actuating mechanism to put the system in a released parking handbrake configuration, and a control mechanism (22) mechanically secured to the actuating mechanism and configured to,at least when the actuating device is manually rotated in the first direction of rotation and exerts a moment of force on the actuating mechanism greater than a first predetermined threshold, inhibit the action of the actuating device and / or the actuating mechanism on a braking linkage. figure for the abstract: figure 2,

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.