16results about "Wheel axle self-adjustments" patented technology

The application relates to the technical field of vehicles and provides a guide system of a rail vehicle, the rail vehicle and a rail transit system, which comprise a wheel structure, an identification structure and a control system, the wheel structure comprising a wheel frame, a wheel and a steering system connected to the wheel, the identification structure being connected to the wheel structure and being adapted to be arranged opposite to and spaced from a guide reference surface of a guide rail structure, the identification structure being configured to be capable of identifying the relative position relationship between the wheel structure and the guide reference surface, and the control system being connected to the identification structure and the steering system and being used for controlling the steering system to drive the wheel to steer according to the relative position relationship identified by the identification structure. The guide system can avoid the problems of complex structure, high cost, large transverse impact and easy reduction or failure of guide performance of a mechanical contact type guide system on the basis of ensuring safety.

The utility model discloses a swing device of swing bogie, including H type frame, the H type frame is fixedly connected with the butt joint board for connecting train in the position of center, the top fixed connection of H type frame has two air springs, the both ends of H type frame are all rotatably connected with wheelset through bearing, and the outside fixed connection of wheelset has two limit stops, two L type boards are fixedly connected in the H type frame, and wheelset passes through L type board, the top fixed connection of L type board has two fixed blocks, and one side of two fixed blocks is all fixedly connected with the rotating plate. The utility model not only can effectively reduce the impact between wheel and rail, improve the running stability of vehicle, reduce wheel and rail wear, prolong the service life, promote the operation efficiency, but also can restrain the lateral vibration and swing of carriage in the horizontal plane, especially prevent dangerous "snake movement", ensure the running stability and safety.

To provide a transport vehicle having excellent transport efficiency when transporting an article while rotating around a circular route having at least a partial arc-shaped section while maintaining an orientation of a vehicle body.SOLUTION: A transport vehicle (1) includes a vehicle body (2), a drive unit (3), and a coupling device (4) that couples the vehicle body (2) and the drive unit (3). The drive unit (3) includes wheels, a travel drive source that drives and rotates the wheels, and a steering device that turns the wheels around a steering axis (Xs). The coupling device (4) includes a mounting portion (41) that is attached to the vehicle body (2), and an adjustment mechanism that can change a reference direction (R) around the steering axis (Xs) with respect to a front-rear direction (L) of the vehicle body (2) by changing a mounting attitude of the mounting portion (41) relative to the vehicle body (2).SELECTED DRAWING: Figure 6

The invention relates to a method for parameterizing the chassis (2) of rail vehicles (1) with a chassis (2) having controllable properties, the method comprising the steps of: - determining geometric parameters (G) of a track system (5) during the movement of a number of rail vehicles (1), wherein sensors (4) on the respective rail vehicle (1) repeatedly measure an area of ​​the track system (5) in the vicinity of the rail vehicle (1) and geometric parameters (G) are determined from the measured values, - determining a track position (P) of the respective measurements, wherein the track position (P) corresponds to the measured position of the track system (5), - creating a state map (Z) of the track system (5) by entering the geometric parameters (G) at positions on the state map (Z) that correspond to their track position (P), - setting parameters of a chassis (2) of a moving rail vehicle (1) based on the state map (Z).wherein, within a defined period before passing a position of the track system (5), the chassis (2) is adjusted to the corresponding position on the state map (Z) based on the geometric parameters (G). Furthermore, the invention comprises a device, a rail vehicle, and a rail vehicle system.

The application discloses a waistband type air spring and a combination structure of a bolster, and the combination structure comprises the waistband type air spring and the bolster, wherein the bolster is provided with a through hole at a bolster lower cover plate, the air spring is inverted and the bottom of the air spring penetrates through the through hole, and the air spring is partially embedded in the interior of the bolster. The application also provides a vehicle bogie comprising the combination structure of the waistband type air spring and the bolster and a bogie side beam, and the top of the air spring is fixedly connected with the bogie side beam below. Compared with the prior art, the combination structure of the waistband type air spring and the bolster and the vehicle bogie have the advantages that the bending degree of the bolster can be designed to be smaller, the gap between the bolster and a bolster beam of a bogie frame is increased, the operation space of mounting bolts between a rotary support and a vehicle body is larger, and the mounting of fasteners is facilitated. Meanwhile, the smaller bending angle reduces the stress at the bending position, and the safety during the operation of the vehicle is improved.

Example embodiments relate to custom bearing adapters and techniques for retrofitting a railway vehicle with a bearing adapter to enable one or more accessories to be coupled to the axle of the railway vehicle. An example bearing adapter can include an upper structure configured to extend over an upper portion of a rail bearing coupled to an axle of the railway vehicle and one or more mounting elements located on the upper structure that are configured to enable the accessory to be coupled onto the railway vehicle. In some cases, the bearing adapter can further include a. lower structure configured to extend below' a lower portion and a. set of fasteners configured, to couple the structure and the lower structure in a fixed position around the rail bearing to form a mount for coupling the accessory' to the drive axle of the railway vehicle. In some instances, the accessory is a motor, sensor, or braking component.

The utility model belongs to bridge floor system construction technology field, specifically disclose a kind of bridge floor system construction track transfer device, it include: carriage, bearing axle and track steel wheel, the bearing axle is arranged in the lower surface left and right sides of carriage, the both ends of bearing axle are rotatably connected with track steel wheel by bearing;Left bearing axle is steering axle, the upper portion of steering axle is provided with steering support mechanism, support rod is connected on the right bearing axle, and the lower surface of steering support mechanism, support rod and carriage are connected.This scheme is by the setting of steering support mechanism, so that the steering axle rotation range is larger, so that steering axle runs smoothly, so when turning, transfer trolley moves smoothly, and steering axle and track steel wheel on it and right side track steel wheel can relatively rotate, to reduce the wear and tear of track steel wheel and track.

A symmetrical multi-unit railroad freight car, such as a 3-pack railroad intermodal well car, has body units that are connected symmetrically. The body units have a symmetrical arrangement of end trucks and shared trucks. The end trucks are 70 Ton Trucks. The shared trucks are 125 Ton trucks. The trucks have passive steering using geometric rocker stiffnesses. The rockers in the end trucks have a smaller radius of curvature than the rockers in the shared trucks. The spring groups in the shared trucks are stiffer than the spring groups in the end trucks. The spring groups in the end trucks have a different proportion of damping when empty, a shorter live load range of travel, and greater reserve travel than the shared trucks. The end trucks and the shared trucks have four-cornered damper groups that have the same sized damper wedges. The damper wedges have non-metallic wear pads.

The utility model provides a kind of anti-nodding torsion bar device, bogie and vehicle, it is related to rail transit technical field, anti-nodding torsion bar device is applied to the frame of vehicle bogie;Frame includes composite beam and lower bending beam, lower bending beam one end is connected in the side wall of composite beam, other end is located in the outside of composite beam;Anti-nodding torsion bar device includes torsion bar and a pair of connecting rod;Torsion bar is perpendicular to composite beam, and both ends are equipped with connecting rod, and two connecting rods are located in the same side of torsion bar;One end of one connecting rod away from torsion bar is connected with composite beam, and one end of another connecting rod away from torsion bar is connected with lower bending beam;Connecting rod is telescopic link with adjustable length. By adjustable connecting rod structure, make torsion bar system always in optimum working interval, avoid the efficiency attenuation caused by displacement overrun. At the same time, telescopic link structure simplifies the device adjustment process, and length adaptation can be completed without disassembly. The utility model can guarantee the stability of vehicle operation.

The invention disclosed is a high-speed suspended monorail transport system, characterized by an elevated rail system with a circular rail flange profile, aerodynamic passenger or cargo cars, a computer control system, and electric hub motors. The system utilizes a unique bogie-like wheel assembly that allows the wheels to roll along different areas of the circular rail flange, accommodating bends and curves at varying speeds without the need for conventional suspension systems. The invention also includes an associated computer process for controlling system functions. The transport system offers significant improvements in privacy, comfort, speed, and cost-effectiveness compared to existing solutions. An alternate embodiment and several optional features for enhanced functionality are also disclosed.

A side fence car running on a track belongs to the field of track transportation. It is different from a train in that: 1. The train is controlled by double tracks to run in a direction, while the side fence car is controlled by a single (left) track side fence to run in a direction. The train can only turn by wheel pairs and bogies, while the side fence car can turn by using the steering knuckle and steering trapezoid of an automobile, and the turning radius is much smaller than that of the train, so it can turn flexibly on the streets of the city like an automobile. 2. The train can only rely on the track to control the running direction, while the side fence car can control the running direction by the track side fence and can switch the side fence road to the track without the side fence, and control the running direction by the steering wheel like an automobile. In this way, the side fence car can be connected to the urban highway like an automobile to realize the door-to-door track transportation between urban and rural areas, and can save 80% energy compared with road transportation. 3. The cost of the simple side fence road is low.

The utility model discloses a kind of connecting rod for wheel axle radial mechanism, wheel axle radial mechanism and railway vehicle.The connecting rod is two, each connecting rod includes stem and two connecting hole parts;Two connecting hole parts are connected with the two ends of stem respectively;Stem includes first stem, intermediate stem and second stem connected in turn;Connecting hole part includes connecting portion ontology and elastic hinge sleeve, connecting portion ontology, elastic hinge sleeve are all in cylindrical structure, elastic hinge sleeve is embedded in connecting portion ontology, the center axis of both coincides;Elastic hinge sleeve includes steel inner layer, elastomer layer and steel outer layer from inside to outside in turn;Steel outer layer is in cylindrical shape;The outer surface of elastomer layer is in cylindrical shape;When the center axis of elastic hinge sleeve is in horizontal direction, the outer surface of steel inner layer is in arch bridge type under longitudinal section state, the inner surface of elastomer layer is matched with the outer surface of steel inner layer.The connecting rod is conducive to improving connection strength and rigidity.

In a rail-bound, two-axle work vehicle (1), comprising a frame (2) and a superstructure (3), and a chassis (4) having two wheels (8) rotatable about a common axis of rotation, wherein the chassis (4) is pivotably mounted about a vertical axis, such that the chassis (4) together with the wheels (8) can be pivoted about the vertical axis at a steering angle when the work vehicle (1) is traveling around a curve following the course of the rails (9), the invention proposes: • that an actuator is effectively connected to the chassis (4) in such a way that different movements of the actuator cause the chassis (4) to pivot into different positions about its vertical axis, • and that a control unit is provided which is effectively connected to the actuator for signal transmission, such that, based on control signals transmitted to the actuator by the control unit, a movement of the actuator and thus the steering position of the chassis (4) can be controlled.

The arrangement of a 2-axle bogie for a trailed railway vehicle with radially adjustable wheels with longitudinal coupling has length-adjustable longitudinal drawbars (1) connected at one end to a central pivot member (2) located under the bracket (3) of the central pivot member (2), the length-adjustable longitudinal drawbars (1) are fixed at the other end to the mountings on the axle box lids (4) with rubber-metal ball pins (5), whereby the axles of the bogie are connected by means of longitudinal drawbars (1) independently on both sides of the bogie.

Method and apparatus for chassis parameterization of rail vehicles. The invention relates to a method for chassis parameterization (2) of rail vehicles (1) with a chassis (2) having controllable properties, wherein a number of perception sensors (4) on the rail vehicle (1) repeatedly measure an area of ​​the track system (5) in the surrounding area during its journey, and track positions (P) of the respective measurements are also determined, the method comprising the steps: - making a number of recordings (A) of the track system (5) by a number of perception sensors (4), - determining the respective track position (P) during the making of the number of recordings (A), wherein the track position (P) corresponds to the recorded position of the track system (5), - generating geometry parameters (G) from the recordings (A) of the track system (5), wherein geometry parameters (G) are determined at positions of the track system (5).- Setting parameters of a chassis (2) of a moving rail vehicle (1) based on the geometric parameters (G), wherein, within a defined period before passing through a position of the track system (5), the chassis (2) is set at the corresponding track position (P) of the track system (5) based on the geometric parameters (G). The invention further comprises a device, a rail vehicle, and a rail vehicle system.