513results about "Rail brake actuation" patented technology

A brake control device (1) controls a mechanical brake device (30) comprising: a booster mechanism; a pressing mechanism (31) that presses the booster mechanism by means of an output shaft that slides in response to rotation of a motor (32); and a biasing mechanism that applies force to the booster mechanism by means of a biasing member. The brake control device (1) comprises a drive driver (14) and a mechanism control unit (19). The drive driver (14) converts, in accordance with a target torque, electric power supplied from a power supply device (42) into electric power that is to be supplied to the motor (32), and outputs the converted electric power to the motor (32). The mechanism control unit (19) either permits or limits applying of force to the booster mechanism by the biasing mechanism provided to the mechanical brake device (30).

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 holding device for an electromagnetic rail brake of a rail vehicle, the holding device comprising: a holding element including a spring configured to support the holding device at a chassis of the rail vehicle; a movable actuation bolt connected with the holding element and couplable with the electromagnetic rail brake; and a hydraulic unit connected with the holding element and the actuation bolt, wherein the hydraulic unit is configured to move the actuation bolt between an idle position in which the electromagnetic rail brake is inactive during operations of the rail vehicle and an active position in which the electromagnetic rail brake is active during operation of the rail vehicle in response to hydraulic fluid flowing into the hydraulic unit or hydraulic fluid flowing out of the hydraulic unit.

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 technical field of mine rail vehicle braking, and particularly discloses a passive mine rail vehicle brake which comprises a frame, wheels are rotationally connected to the lower ends of the left side and the right side of the frame through mounting seats, fixing plates are fixedly connected to the lower ends of the front side and the rear side of the frame, and the fixing plates are located between the two wheels. Brake mechanisms are arranged at the adjacent ends of the two fixing plates, auxiliary brake mechanisms are arranged at the upper ends of the wheels, and the brake mechanisms are in transmission connection with the auxiliary brake mechanisms through transmission mechanisms. When the driving mechanism runs, the brake mechanism can be driven to work, so that the braking effect is achieved, after a first brake pad in the brake mechanism is worn out, an auxiliary brake mechanism can be driven to work through the transmission mechanism, and then the situation that the construction progress is affected due to the fact that replacement is conducted by parking on a rail can be avoided; and when the vehicle runs to a specified maintenance position, the driving distance is increased, and the risk in the transportation process is increased.

The invention discloses a joint control system and method for electric hand braking of a rail wagon and the rail wagon, the joint control system comprises an electric hand braking machine, a hand braking control device, a junction box, a single vehicle controller CCID and a train bus cable, the electric hand braking machine is connected with the junction box through a hand braking sensing cable; one end of the hand brake control device is connected with a hand brake sensing cable and is connected with the electric hand brake, the other end of the hand brake control device is connected with the junction box through the electric hand brake, the junction box is connected with the single vehicle controller CCID through the hand brake sensing cable, and the single vehicle controller CCID is connected with a locomotive control room through the train bus cable. According to the invention, the inherent manual braking function of the hand brake is not influenced, braking can still be implemented by manually rotating the hand wheel of the hand brake, and relieving can still be manually completed by moving the relieving handle.

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.

The utility model discloses a mine car running monitoring and control system, and relates to the technical field of coal mine safety production. The system comprises a monitoring system and a control system, wherein the monitoring system comprises a tension sensor mounted at the joint of a mine car and a steel wire rope, and a speed sensor and an inclination sensor mounted at the bottom of the mine car; the control system comprises a processor installed at the bottom of the mine car, a PLC, a brake assembly, an auxiliary wheel assembly and a limiting stopper assembly. And the processor is connected with the sensors and the PLC, analyzes and processes the collected tension, speed and inclination angle information, sends a braking instruction to the PLC, and controls the brake assembly, the auxiliary wheel assembly and the limiter assembly to work through the PLC. The mine car running state monitoring device is high in monitoring precision, good in safety, convenient to implement and low in cost, can be applied to inclined roadway transportation of an underground coal mine, monitors the running state of a mine car in real time, prevents mine car running accidents, and greatly improves safety of mine car transportation.

The invention provides a railway vehicle and a railway vehicle braking method.The railway vehicle comprises a brake, a driving device, a sensor unit and a control unit, the brake is provided with a brake disc, the driving device is used for being arranged on the railway vehicle, the driving device is in transmission connection with the brake, and the driving device is used for driving the brake to move; and the sensor unit is used for detecting the environment information around the railway vehicle. When the railway vehicle is in rainy and snowy weather, the sensor unit can determine that the railway vehicle is in rainy, snowy, wet and slippery weather according to detected environmental information around the vehicle, the control unit controls the driving device to operate according to a detection result of the sensor unit, and the driving device drives the brake to move. The brake disc of the brake is in contact with the inner side of the rail, so that the friction force between the rail vehicle and the rail is improved, and the braking capacity of the rail vehicle is enhanced in rainy, snowy, wet and slippery weather.

A chassis (1) for a manually movable track maintenance machine (8) comprises a support (2), several guide rollers (5, 5', 5'', 5''') arranged on the support (2) for manually moving the chassis (1) on rails (S) of a track, and a brake unit (6) for braking the chassis (1), wherein the brake unit (6) is electrically controllable.

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 a railway braking system for a rail vehicle, comprising brake rigging, a service and / or parking brake designed to act on at least one braking member of said vehicle via the brake rigging, which is provided with at least one device (5) having at least one lining support (37) and at least one lining (38) that is mechanically attached to the at least one lining support, and at least one force transmission link (50), of which a first end (71) is mechanically attached to a support of the vehicle and a second end (72) opposite the first end is mechanically attached to the at least one lining support, the at least one lining support comprising a fastening leg (80) that includes a housing (82) and a mounting member (81) accommodated in said housing (82), and the second end of the at least one force transmission link is rotatably mounted in the mounting member.

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 present invention provides a brake shoe support, a brake beam and a bogie, wherein a slider portion is provided on the outside of the brake shoe support, and a clamping groove is provided on the front and rear sides of the slider portion, and a pulley mechanism is installed in the two clamping grooves, and the pulley mechanism includes a pulley, and the pulley is at least partially protruded from the clamping groove. With the above structure, the slider portion of the brake shoe support can be clamped in the slide groove of the bogie side frame. When the brake shoe support does not contact the wheel for braking, it mainly bears its own gravity. The brake shoe support contacts the slide groove through the pulley protruding from the clamping groove, and the sliding friction is converted into rolling friction, thereby reducing the friction resistance between the brake shoe support and the bogie; when the brake shoe support contacts the wheel for braking, the brake shoe support is subjected to pressure from the direction of the wheel, resulting in a change in the angle of the brake shoe support. At this time, the brake shoe support contacts the slide groove through the slider portion, and the slider portion bears the main braking tangential force, thereby preventing the pulley mechanism from being damaged due to excessive pressure.

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 utility model discloses a track trolley, and relates to the technical field of transportation equipment. The trolley comprises a trolley frame and a bearing plate, wherein the trolley frame is fixedly arranged at the bottom of the bearing plate; the [-shaped seats are fixedly arranged at the four corners of the bottom surface of the frame, and the wheels are rotationally connected between the inner side walls of the [-shaped seats through rotating shafts; the brake mechanism is used for controlling the wheels to move and comprises a mounting cylinder arranged on one side of the n-shaped seat, a plug pin penetrating through the two ends of the mounting cylinder is slidably arranged in the mounting cylinder, and the side, close to the n-shaped seat, of the plug pin slidably penetrates through the side wall of the n-shaped seat. The trolley is effectively prevented from slipping in the using process through the braking mechanism, the accident risk is reduced, the safety of on-site workers is guaranteed, the safety is high, in addition, through the design of the locking piece and the guiding piece, workers can easily control starting and stopping of the trolley, and operation is very easy and convenient.

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.