317results about "Bogie-underframe connections" patented technology

A railroad car truck including one or two new side frames that each includes one or more of a plurality of different improvements that individually and in various combinations reduce, inhibit, or minimize the likelihood of stress fractures or cracks in the side frame.

According to the multifunctional rail engineering vehicle set with the running direction reversing function, a hydraulic winch winch is arranged at the front end of a rail engineering vehicle, and a hydraulic excavator is carried at the rear end of the rail engineering vehicle; one bottom face of a frame of the rail engineering vehicle is provided with an axle box locking oil cylinder corresponding to axle box end covers in the wheel set axle boxes in the vertical direction, and a rotary supporting device located between the two wheel set axle boxes is installed in the middle of the rail engineering vehicle. The rail engineering truck moves downwards from the lower end to rotate and reverse under rotating supporting of the rotary supporting device connected with the steel rail in an anti-sideslip fit mode. According to the invention, material transfer, traction, excavation and hoisting are realized, extra allocation equipment is not needed, the problem that a traditional rail engineering vehicle is limited by a rail structure and needs a special steering line to adjust the direction is solved, convenience is provided for single-track railway maintenance, tunnel construction and reversing in a limited scene of small operation interval space, the driving direction adjusting difficulty is reduced, and the working efficiency is improved. The operation efficiency is improved.

The application discloses a kind of car body and bogie hanging connection device. Including car frame middle beam and bogie, each axle of bogie is provided with a set of hanging connection device;Each set of hanging connection device includes: device upper part and middle beam flange or web limiting contact suspension combination hook assembly, device lower part can pass through axle, and with axle rotation limiting combination U-shaped suspension ring assembly, located in device middle part connecting hook assembly and U-shaped suspension ring assembly's crossbeam assembly.The car body and bogie hanging connection device of the application adopts arc-shaped hook, crossbeam, U-shaped bolt, connecting plate combination screw, nut and other fasteners combination into four-point hanging type connection device, avoids the obstacle above axle, realizes the horizontal hanging of car body to bogie, adapts the narrow space of the combination of bogie and car body, avoids to disassemble and test vehicle, device uses screw adjustment mode, it is convenient to adjust and compensate the height deviation between car body and bogie axle;Flexible, convenient to use.

Provided are a bogie and a vehicle, relating to the field of bogie structures. The bogie comprises: a framework; a suspension apparatus connected to the framework, wherein the suspension apparatus comprises primary suspension members (31) and secondary suspension members (32), and the secondary suspension members (32) are formed as air springs; and an anti-rolling device, comprising a bolster anchor (51) and a torsion bar (52), wherein the bolster anchor (51) is arranged above the secondary suspension members (32); and end portions of the torsion rod (52) are rotatably connected to the framework by means of links, and a side portion of the torsion rod (52) is rotatably connected to the bolster anchor (51). The air springs can provide the most suitable stiffness characteristics for a vehicle, so as to ensure that the vehicle has high comfort in the operation process; in addition, the air springs can also automatically inflate or deflate on the basis of changes in passenger load, so as to ensure that the floor surface of the vehicle is kept unchanged within a fixed height range, thereby facilitating passengers' boarding and alighting at the platform, and improving the passenger experience during travel.

To provide a thin structural member which contributes to the improvement of assemblability of a vehicle body, is light-weight and has high rigidity, and a railroad vehicle that forms a floor surface with an underframe structure with such a structural member.SOLUTION: A body bolster of a railroad vehicle includes: a plurality of radial ribs arranged radially from the center of a vertical load input unit and having a shape of a protrusion on the surface of a flat plate arranged horizontally with a curvature provided in the longitudinal or width direction of a vehicle more gently as it moves away from the center of the vertical load input unit; and a circular rib arranged intermittently around a vertical load input seating surface so as to overlap the plurality of radial ribs.SELECTED DRAWING: Figure 4

The invention discloses a damping adjusting method, device and equipment of an anti-snake-shaped shock absorber and a storage medium, belongs to the field of train shock absorption, and aims to consider that other disturbed quantities except the anti-snake-shaped shock absorber can be regarded as a whole (sum uncertainty) in relative head shaking angle information of a bogie. Therefore, the method comprises the following steps: firstly, determining a dynamic differential relational expression of the relative head shaking angle information of the bogie about the damping coefficient of the anti-serpentine damper and the sum uncertainty, and then determining a sum uncertainty estimator (used for outputting a sum uncertainty estimated value) of the bogie; according to the method, the target damping coefficient of the anti-snakelike damper can be determined based on the dynamic differential relation on the basis of the total uncertainty estimated value and the measured value of the relative head shaking angle information, so that the damping coefficient is dynamically adjusted, the method can adapt to complex and changeable operation conditions, and the transverse stability and riding comfort of a train are improved.

The invention relates to a rail vehicle, for which a direction of travel is specified and which has a leading bogie at a front of the rail vehicle with respect to the direction of travel and a trailing bogie at the end of the rail vehicle which is directed counter to the direction of travel. The leading bogie and the trailing bogie are each equipped with an anti-roll stabilizer. The roll stiffnesses of the anti-roll stabilizers of the leading bogie and of the trailing bogie are selected to be different such that, when side wind acts on the rail vehicle, unequal wheel unloading at the leading and trailing bogies is counteracted.

The utility model discloses a three-axle bogie of a new energy rail traction locomotive, which relates to the technical field of three-axle bogies, and comprises a framework, a connecting mechanism, a sand mechanism, a buffer mechanism, a traction frame, a pull arm mechanism and a driving mechanism, the connecting mechanism is arranged at the top of the framework, the sand mechanism is arranged at the corner of the framework, and the buffer mechanism is arranged at the bottom of the framework. The multiple buffering mechanisms are installed on the two sides of the framework respectively, the traction frame is installed at the ends of the buffering mechanisms, the arm pulling mechanism is installed on the framework, and the multiple driving mechanisms are installed below the framework at equal intervals. Through the arrangement mode that the sand mechanism, the buffering mechanism, the traction frame, the pull arm mechanism and the driving mechanism are matched, the power bogie of the new energy rail traction locomotive is more compact in structure, smaller in power loss and higher in efficiency, large-torque operation can be provided for the locomotive, electric energy is saved, and cost is reduced; the use stability of the bogie is improved.

The utility model provides a bogie structure and a sky rail system suitable for severe environments, the bogie structure comprises a bogie, the lower end of the bogie is used for being hinged with a vehicle body, the bogie is provided with a side rolling stopper, the side rolling stopper is used for limiting and buffering the side rolling angle of the vehicle body, and a motor frame is arranged above the bogie. The motor frame is vertically and movably connected with the bogie, an elastic vertical stopper is arranged between the bogie and the motor frame, the acting force of the vehicle body on the side rolling stopper is transmitted to the motor frame through the vertical stopper, positioning wheels are arranged at the two ends of the motor frame, the positioning wheels are used for abutting against a track beam, and the positioning wheels are used for transmitting the acting force on the motor frame to the track beam. The side rolling motion of a vehicle body is released, the side wind moment is balanced through the gravitational moment of the vehicle, the wheel load shedding rate of the bogie is reduced, meanwhile, the side rolling backstops, the vertical backstops and the positioning wheels are arranged, the side rolling angle is limited, the bogie can be prevented from overturning, and the structural reliability is guaranteed.

A joint arrangement between a frame (1) and a bogie corner (2) of a crane configured to run on fixed rails or floating rails, comprising a pin (3) protruding from a sill beam (10) of the frame (1) and connected to an aperture of the bogie corner (2) and configured to allow rotational movement in relation to the bogie corner (2), and a sliding element (30).

The utility model discloses an air track pneumatic tire coal transport vehicle and an air track transport system. The transport vehicle comprises a bogie and a vehicle body. The bogie is connected with the vehicle body through a central suspension device; the vehicle body runs on the aerial track through the bogie; the bogie comprises a framework, a plurality of wheel assemblies, a motor driving device, a foundation braking device and a gear box, each wheel assembly comprises two tires, and the two tires are inflatable tires and are rotatably installed on the two sides of the framework in the width direction respectively; the motor driving devices are arranged at the two ends of the framework, the gear boxes are connected with the framework, the gear boxes are arranged between the corresponding motor driving devices and the corresponding wheel assemblies, and the motor driving devices transmit torque to the gear boxes through couplings so as to drive the wheel assemblies to walk. According to the aerial track pneumatic tire coal transport vehicle, the vibration of the vehicle and the aerial track beam is relatively small, the gradeability of the vehicle is strong, and the maintenance is more convenient.

A railcar includes a frame configured to support a first container and a second container in an end-to-end configuration. The first bogie assembly is coupled to a first end of the frame such that movement of the frame is decoupled from the first bogie assembly, and the second bogie assembly is coupled to a second end of the frame such that movement of the frame is decoupled from the second bogie assembly. Thereby, twisting and bending of the railcar enables bending and twisting of the frame to maintain the first and second bogie assemblies in contact with the railway, especially when traveling along a bend or slope.

The invention discloses a guide frame zero position adjusting device and method for a side forced guiding guide rail type rubber wheel train, and the device comprises a four-wheel positioning mechanism which is used for carrying out the four-wheel positioning of four walking wheels; the first axial length adjusting mechanism is arranged on the steering synchronous rod and used for adjusting the angle of the walking wheel; the ray emission instrument is detachably arranged on the outer side face of the wheel hub of the walking wheel, and the ray emission instrument is used for emitting rays parallel to the outer side face of the walking wheel; the second axial length adjusting mechanism is arranged on the steering pull rod and used for adjusting the angle of the guide frame. Positioning adjustment of the walking wheels and the guide wheels of the rubber wheel trains with different heights and different axle distances is achieved, the abrasion problem of the walking tires and the guide wheels is solved, and the running stability of the trains is improved.

To provide a technology for generating braking force according to a load of a vehicle body when all air springs supporting the vehicle body fail.SOLUTION: A brake control device 80 of the present invention includes: a first acquisition unit 101 that acquires pressure values of a plurality of air springs of one vehicle among a plurality of vehicles; a determination unit 103 that determines whether or not a specific condition that all of the plurality of air springs are abnormal is satisfied based on the plurality of pressure values; a second acquisition unit 105 that acquires the pressure values of the air springs acquired by the other brake control device 80 from the other brake control device 80 provided in the other vehicle different from the one vehicle among the plurality of vehicles or the other of a pair of trucks; and a control unit 106 that controls a brake mechanism based on the pressure value acquired by the first acquisition unit 101 when it is determined that the specific condition is not satisfied, and controls the brake mechanism based on the pressure value acquired by the second acquisition unit 105 when it is determined that the specific condition is satisfied.SELECTED DRAWING: Figure 4

The application discloses an air spring support mechanism and a manufacturing method thereof, which is used for a maglev train and comprises two foot parts arranged along the width direction of the train and a gallery part; the gallery part is connected between the two foot parts; the upper surface of the gallery part is lower than the upper surface of the foot part; the size of the gallery part in the length direction of the train is smaller than that of the foot part; the front end surface of the gallery part is substantially flush with the front end surface of the foot part; the gallery part is provided with an air spring interface for mounting an air spring; the air spring support mechanism is further integrated with a cross beam interface for mounting a cross beam, a skirt plate interface for mounting a skirt plate, an electromagnet module interface for mounting an electromagnet module and a skid interface for mounting a skid. The air spring support mechanism is integrated with the interfaces for mounting other functional modules, which is favorable for reducing the number of parts of the maglev train and facilitating the assembly of relevant structures of the maglev train.

A bogie assembly includes a side frame that includes a first frame attachment portion and a second frame attachment portion. A bolster is operably coupled with the side frame and includes a bolster attachment portion. The bogie assembly includes a linkage system having a first connector link, a second connector link, and a center link. The center link is coupled with the bolster attachment portion of the bolster. The first connector link extends between a first end that is coupled with the first frame attachment portion and a second end that is coupled with the center link. The second connector link extends between a third end that is coupled with the center link and a fourth end that is coupled with the second frame attachment portion.

This damping device (100) for railway vehicle (2) includes lateral dampers (102), each configured to connect the body (20) to a respective bogie (30), the lateral dampers (102) being semi-active dampers and each being controlled by a respective solenoid valve (108), two first accelerometers (110), configured to be fixed to the body (20) in the vicinity of a respective bogie (30), and an electronic control unit (104), which detects kinematic instability based on received acceleration measurements and controls each lateral damper by controlling the corresponding solenoid valve.The electronic control unit is switchable between a comfort mode, where each solenoid valve is controlled with a control frequency greater than 100 Hz, in order to optimize passenger comfort, with an effort generated by the associated lateral damper up to a first effort threshold, and a refuge mode, where each solenoid valve is controlled with a refresh frequency less than 1 Hz, in order to develop a damping effort up to a second effort threshold, which is at least 40% higher than the first effort threshold, the electronic control unit being configured to switch from comfort mode to refuge mode when kinematic instability is detected.

The present application relates to a kind of rail vehicle control structure, system and its control method, the control structure is configured with hydraulic valve, hydraulic valve is configured as: receiving from the control system based on the frequency and amplitude generated by obtaining the " first open-close signal " of vehicle snake movement, it is obtained by its own operation processing the signal that it can directly identify and execute, and based on the control signal information identified to adjust the working state of itself to the opening degree corresponding to " first open-close signal ".The control system is based on the travel state parameter of rail vehicle adjustment setting between the oil circuit interconnection mode of damping system and the oil flow state in oil circuit between car body and bogie to produce suitable damping force of inhibiting vehicle snake movement, wherein, the control system controls the size of the opening / closure of the hydraulic valve in the oil circuit to control the size of the damping force provided by the damping system.The control method can be realized by the above-mentioned control system.

A monocoque bogie frame (14) for a bogie (10) of a railway vehicle, comprising two side beams (24) and at least one support beam (28) extending in a transverse direction of the bogie frame (14) and rigidly connected to each of the two side beams (24). The support beam (28) comprises a support portion (30) for supporting a drive unit (16) of the bogie (10) and an elongated portion (32). The support portion (28) is directly connected to one of the two side beams (14) and connected to the other one of the two side beams (14) via the elongated portion (32). The planar moment of inertia (M) and the polar moment of inertia (J) of any cross section of the support portion (30) of the support beam (28) are at least twice, preferably at least 2.5 times, the planar moment of inertia (M) and the polar moment of inertia (J) of any cross section of the elongated portion (32) of the support beam (28), respectively.

The present disclosure relates to an electric control leveling valve (1) for a vehicle, comprising: a vehicle height variation detection device (11), which is used for detecting a height variation of a vehicle body of the vehicle and generating a height variation electrical signal characterizing the height variation of the vehicle body; a control device (12), which generates a corresponding valve control command based on the height variation electrical signal; and a valve device (13), which is in gaseous coupling to a secondary suspension system of the vehicle and adjusts air mass of the secondary suspension system based on the valve control command. The present disclosure further relates to a corresponding vehicle, in particular a railway vehicle, comprising such an electric control leveling valve (1). According to some embodiments of the disclosure, the control can be made more flexible and active to facilitate diagnosis of faults of the electric control leveling valve, so that the valve can be replaced in time.

To provide a bogie for a railway vehicle capable of avoiding interference between an air guide portion provided below an air spring and a cross beam crossing a side beam in an auxiliary air chamber when the air spring is provided immediately above the side beam having the auxiliary air chamber inside.SOLUTION: In a bogie for a railway vehicle 1, an air spring 13 is provided at a position immediately above a side beam 111, a cross beam 112 includes, at a portion intersecting the side beam 111 in an auxiliary-air-chamber 111b, a passing-through flow path portion 112d that passes through the cross beam 112 and allows an air spring guide 113b and the auxiliary-air-chamber 111b to communicate with each other, and an inside diameter ID of the passing-through flow path portion 112d is larger than an outside diameter OD of the air spring guide 113b.SELECTED DRAWING: Figure 4

The invention provides an electric locomotive body stabilizing system, and belongs to the technical field of electric locomotives, the electric locomotive body stabilizing system comprises a sensor unit, a control unit and an execution unit, the sensor unit is responsible for monitoring and acquiring various motion parameters of a locomotive in real time, and providing data support for the control unit; and the control unit is responsible for receiving data acquired by the sensor unit, processing and analyzing the data, and then sending a control instruction to adjust the action of the execution unit. According to the electric locomotive body stabilizing system, snaking motion and side rolling vibration of a locomotive body are effectively restrained through the active transverse shock absorber and the anti-snaking damper, the transverse stability is improved, meanwhile, the relative displacement and wheel-rail contact force of the bogie and the locomotive body are monitored in real time through the displacement sensor and the wheel-rail force sensor, and the stability of the locomotive body is improved. The damping coefficient of the shock absorber is dynamically adjusted through a self-adaptive fuzzy PID controller, the secondary suspension rigidity is dynamically adjusted in combination with an air spring pressure adjusting system, and vertical impact is relieved.

The present application relates to rail transit technical field, the present application discloses a kind of low-floor tram bogie's bolster structure, comprising: bolster body, bolster body is arranged in inverted U shape, mandrel insertion hole is located in the middle position of bolster body, the bottom end of bolster body is symmetrically installed with the composite buffer unit connected with bogie, composite buffer unit includes main buffer assembly and auxiliary buffer adjusting assembly, auxiliary buffer adjusting assembly includes: elastic shock absorbing rod, the top end of elastic shock absorbing rod is hinged to the bottom end of bolster body, the bottom end of elastic shock absorbing rod is installed with transverse seat, lateral rotation rod is hinged between the bottom end of bolster body and sliding sleeve, sliding sleeve and reset spring sleeve are arranged on elastic shock absorbing rod.The present application provides a kind of low-floor tram bogie's bolster structure, when car body turns, the active component force of auxiliary buffer adjusting assembly located in outside, thereby the greater lateral force and vertical load of outside track are borne.

The application belongs to the technical field of high-speed track mechanical equipment, and discloses a secondary suspension mechanism for track locomotive vehicles, which comprises a secondary suspension mechanism body and a drying drainage part. The secondary suspension mechanism body comprises a bogie and two air springs and four hydraulic springs. The two air springs mounted on the bogie serve as elastic elements for buffering vertical vibration and improving riding comfort. The four hydraulic springs mounted between the side beam of the bogie frame and the vehicle body bottom frame serve as load-carrying force transmission paths. The filter disc structure is internally provided with drying particles for dehumidifying the gas entering the air spring. A micro motor is used to drive the filter disc to rotate by 180 degrees, so as to realize automatic replacement of the failed drying agent. The automatic reciprocating movement of the rubber pressure plate can extrude and discharge the condensed water in the piston cylinder. The intermittent blocking design of the arc-shaped baffle can ensure the sealing property of the gas storage tank during the drainage process.

The utility model relates to railway vehicle engineering technical field more specifically, especially, especially relates to a multipurpose four axle combined type railway locomotive bogie, include: traction seat, bogie frame, crossbeam, the bogie frame sets up in the both ends of traction seat, and crossbeam fixedly set up in the middle position of bogie frame body, secondary suspension spring is installed in the top of crossbeam, and secondary oil pressure shock absorber is installed on the outer wall of bogie frame both sides, and one end of secondary oil pressure shock absorber is movably connected with bogie frame, the utility model discloses the improvement of multipurpose four axle combined type railway locomotive bogie has good strength, long life, safe and reliable, high efficiency, can guarantee the high -efficient work of more safe and stable, most parts can also realize the commonality with the currently large -scale use locomotive, to save the advantage of use cost, thereby effectively solve the problem and the deficiency in prior art and equipment.

The application discloses a central traction device of a rail vehicle bogie and a bogie with an axle box built-in, which comprises a traction seat, a traction connecting seat and a transverse semi-active suspension device; the traction seat comprises a horizontal seat plate and a switching body, a vertical damper connecting seat is arranged on the horizontal seat plate, and the switching body is connected with the traction connecting seat; a first transverse damper mounting seat, a hoisting device mounting seat, a transverse stop mounting seat and a first traction rod mounting seat are arranged on the traction connecting seat; the transverse semi-active suspension device comprises a first vibration monitoring element for monitoring the vibration of a vehicle body, a second vibration monitoring element for monitoring the vibration of a frame, a semi-active transverse damper for inhibiting the transverse vibration of the vehicle body and a controller for signal processing, and the controller is used for adjusting the damping force of the semi-active transverse damper according to the monitoring information of the first vibration monitoring element and the second vibration monitoring element. The application can adaptively adjust the damping force of the transverse damper and reduce the operation and maintenance cost of the vehicle in the whole life cycle.

The invention relates to the technical field of vehicles, in particular to an air spring rigidity adjusting system and a vehicle. The air spring rigidity adjusting system comprises two air spring sets which are oppositely arranged on the two sides of the vehicle, and each air spring set comprises at least one air spring. The air storage device comprises at least two air storage cylinders, and the air springs are connected with the air storage cylinders through air paths; the valve group comprises a plurality of valves, and the plurality of valves are respectively arranged in the gas path; the air spring is used for being communicated with different air storage cylinders through opening and closing of the multiple valves. The air springs are communicated with the air storage cylinders with different volumes to adjust the rigidity of the air springs, so that the rigidity of the air springs on the two sides of the vehicle can be changed, the rigidity of the air springs on the two sides of the vehicle can be switched in real time according to the driving condition of the vehicle during driving, and the vehicle obtains excellent stability and trafficability.

Vibration control device for a railway vehicle (1), comprising: a plurality of force-generating mechanisms (7) arranged between a chassis (3) on which wheels are mounted and a vehicle body (2), wherein the force-generating mechanism (7) is configured to generate a force that is adjustable in the vertical direction; a control device (9) configured to control the force generated by the force-generating mechanism (7), including the control device (9) an abnormality detection and estimation part (12) configured to detect and estimate an abnormality of the force generation mechanism (7), wherein the abnormality detection and estimation part (12) includes: a rolling data output device configured to output rolling data modified by the rolling (swaying) of the vehicle body (2), and a fault evaluation device (14) configured to evaluate whether a particular one of the plurality of force generation mechanisms (7) has failed by comparing the rolling data output from the rolling data output device with a fault evaluation value under a predetermined driving condition, and, if the rolling data is outside a normal range, the fault evaluation device (14) configured to control the force generation mechanisms (7) such that one of the force generation mechanisms (7) is temporarily fixed to soft damping force characteristic and the other(s) is / are fixed to medium damping force characteristic.