67results about "Bogies" patented technology

The utility model provides a kind of for bogie's lower bending beam and straddle type bogie frame, the lower bending beam for bogie includes: left vertical plate and right vertical plate;Lower bending beam upper cover plate;Lower bending beam lower cover plate;First sealing plate, the first sealing plate with the horizontal upper cover, horizontal lower cover, left vertical plate and right vertical plate are connected;Air chamber muscle plate, the air chamber muscle plate with the inclined lower cover, left vertical plate and right vertical plate are connected;Second sealing plate, the second sealing plate with the inclined upper cover, air chamber muscle plate, left vertical plate and right vertical plate are connected;The left vertical plate, right vertical plate, lower bending beam upper cover plate, lower bending beam lower cover plate, first sealing plate, air chamber muscle plate and second sealing plate are enclosed to form air chamber.The lower bending beam for bogie of the utility model, sets up second sealing plate and air chamber muscle plate to replace original baffle, while guaranteeing structural strength, reduce manufacturing difficulty, realize 100% detection of air chamber all welds.

The application provides a straddle type bogie frame and a straddle type monorail vehicle, the straddle type bogie frame comprising a combined beam and a down bending beam, the combined beam comprising a high side beam, a low side beam, a traction beam connecting the high side beam and the low side beam, and an end beam connecting the high side beam and the low side beam, the number of the down bending beams being two, and the two down bending beams being connected with the high side beam and the low side beam respectively, and the combined beam and the down bending beam being connected in a T joint fillet welding and V type butt joint welding mode. The straddle type bogie frame and the straddle type monorail vehicle are formed by combining and welding the combined beam and the down bending beam formed in a split mode, the air chamber is independently formed in the down bending beam, the low side beam and the high side beam are decoupled, the structure is better in stress bearing, and the weld accessibility is better; the combined beam serves as a base, and when the combined beam is combined with the down bending beam, the overall welding deformation is small, the combined beam is not prone to twisting, and the size after welding is easy to control.

A truck frame (30) for a railway vehicle includes a side beam (40) and a cross beam (50). The side beam (40) includes a top plate part (411), a bottom plate part (412), and an inner plate part (413) and an outer plate part (414) that connect the top plate part (411) and the bottom plate part (412) to each other. The cross beam (50) penetrates the inner plate part (413) and the outer plate part (414) and is joined to the inner plate part (413) and the outer plate part (414). The inner plate part (413) is divided into a first inner plate portion (413a) and a second inner plate portion. The first inner plate portion (413a) is a portion of the inner plate part (413) that is to be joined to the cross beam (50). The second inner plate portion is the other portion of the inner plate part (413) and is welded to the first inner plate portion (413a). The first inner plate portion (413a) is welded to the cross beam (50) at both an inner corner (51) and an outer corner (52) in a left-and-right direction.

The utility model relates to the technical field of locomotive frame traction device, disclose a bogie traction device, including the traction rod two, the left end sliding joint of traction rod two has the traction rod one, the outer wall right side of traction rod one is provided with the butterfly gasket, the right side of butterfly gasket is provided with the end cap, the right end all screw thread connection of end cap has the hexagonal head bolt all around, the right end of traction rod two is engaged with the joint bearing and connects, the outer wall left side screw thread connection of joint bearing has the hexagon nut, the right end fixed connection of joint bearing has the bogie lock hook. In the utility model, through in the working principle aspect, the bogie lock hook is the key component of transmission traction, the pin shaft is through the bogie lock hook and the traction rod two, can quickly disassemble each component, reduced the time and manpower cost needed for disassembly, improved the work efficiency, also reduced the risk of damaging the component because of the difficulty of disassembly.

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: - 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). The invention further comprises a device, a rail vehicle and a rail vehicle system.

Provided is a shaft spring having excellent nonlinear spring characteristics and capable of reducing the risk of affecting durability. The shaft spring includes a shaft portion (6), an outer tube (2), and an elastic portion (3) interposed between the shaft portion (6) and the outer tube (2), the elastic portion (3) being formed by alternately laminating an elastic body layer (4) and a hard tube (5) in a concentric circle shape, and the shaft spring has a structure in which an annular elastic body support portion (7) extending outward in a radial direction is formed at a lower end of at least one of the shaft portion (6) and the hard tube (5), the elastic body layer (4) is formed to the elastic body support portion (7) in contact with an outer peripheral surface of the shaft portion (6) or the hard tube (5) in which the elastic body support portion (7) is formed, and when an outer diameter of the elastic body support portion (7) is set to a certain degree or more or when a load in an axial direction is applied to the shaft spring, a part of the load is applied to the elastic body support portion (7).

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.

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 a chassis (100), in particular a low-floor chassis, for a rail vehicle, especially a tram. The chassis (100) comprises at least four wheels (4), each with a wheel bearing, at least two wheel axles for suspending the wheels (4), a chassis frame (1), and a primary suspension for suspending the wheels (4) relative to the chassis frame (1). The primary suspension has at least four torsion bars (20). Two torsion bars (20), in particular two torsion bars on one side of the chassis, are connected via a connecting element (21) such that the torques of the torsion bars (20) are opposite in direction, and in particular, the torques essentially cancel each other out.

A running gear for a rail vehicle with a supporting structure, which has at least a first longitudinal member and a second longitudinal member and at least a first cross member and to which at least a first wheel and a second wheel are rotatably connected, and with at least a first motor and at least a first transmission coupled to the at least first motor, which are coupled to at least the first wheel for torque transmission, wherein the at least first motor is inserted into a first opening of the first longitudinal member, where an idler pair is formed from the first wheel and the second wheel, such that the available installation space budget can thus be enlarged.

A bogie frame, comprising: two side beam assemblies (110), the two side beam assemblies (110) being arranged opposite each other; an end beam assembly (120) arranged between the two side beam assemblies (110) and connected to the two side beam assemblies (110), the end beam assembly (120) being configured for the mounting of a coupler buffer device (300); a first cross beam assembly (130), which is arranged between the two side beam assemblies (110) opposite the end beam assembly (120) and is connected to the two side beam assemblies (110); a traction beam assembly, which is arranged between the two side beam assemblies (110) and connected to the two side beam assemblies (110), and is arranged between the end beam assembly (120) and the first cross beam assembly (130) and connected to the first cross beam assembly (130) and the end beam assembly (120), the traction beam assembly (140) being configured for the mounting of a lower center plate (200); and two second cross beam assemblies (150), which are arranged between the two side beam assemblies (110) and the traction beam assembly (140) and are connected to the side beam assemblies (110) and the traction beam assembly (140).

The utility model provides a kind of straddle type monorail car bogie assembly and straddle type monorail car, it is related to rail transit technical field, the straddle type monorail car bogie assembly, including driving device, bogie body and first fastener;Driving device includes gear box, gear box is equipped with the structure and the first fixed hole that is communicated with the inside of the structure of clamping groove;Bogie body is equipped with connecting block, connecting block is located in the structure of clamping groove, and is equipped with the second fixed hole that is matched with first fixed hole;First fastener is arranged in first fixed hole and second fixed hole to connect gear box and connecting block.The straddle type monorail car bogie assembly of the utility model can improve assembly efficiency.

The present application relates to the technical field of wheel stress relief, in particular to a universal flexible thrust stop arm device. The device comprises an auxiliary mechanism, a frame arranged at both ends of the auxiliary mechanism, and an OPG speed sensor base. The auxiliary mechanism is composed of a sleeve rod body and a push rod in sliding connection with the inside of the sleeve rod body. A ball head body is arranged at the end of the sleeve rod body and the push rod. When the ball head body is in conformity with the base body and the end cover body, the ball head body is in rotational connection with the base body and the end cover body. Thus, when the subway vehicle generates axial and radial stress during operation, the sleeve rod body and the push rod can be inclined at a certain angle, avoiding the damage of the elastic bush structure, the loosening of the elastic bush of the OPG speed sensor base, the loosening of the fastening round nut of the OPG speed sensor base, the bearing jamming of the OPG speed sensor base, or the damage of the OPG speed sensor base.

This utility model discloses a bogie static pressure adjustment device, relating to the field of railway vehicle bogie design and control technology. It includes a main crossbeam, with controllers installed on both sides of its upper surface. Shock-absorbing components are mounted on both sides of the main crossbeam, and side support beams are mounted on the outer surfaces of the shock-absorbing components. Through-measuring units are installed at the four corner ends of the side support beams. Compared with existing ordinary bogie static pressure adjustment devices, this bogie static pressure adjustment device automatically optimizes the static pressure distribution of the wheelsets through controller-controlled hydraulic push rods, dynamically balancing wheel weight: it adjusts the vertical load of each wheelset in real time, reducing uneven loading caused by track irregularities or uneven loads, and reducing abnormal wear on wheel flanges and rail surfaces. It also results in low maintenance costs: uniform wheel-rail contact force distribution reduces abnormal wear and extends the service life of wheelsets, rails, and key bogie components.

A rail vehicle, such as a light rail vehicle, can include a wheel unit and a support unit. The wheel unit can define an axis of rotation of the wheel unit. The support unit can be configured to be connected to a rail vehicle structure that defines a vehicle longitudinal direction, a vehicle transverse direction, and a vehicle height direction. The support unit can be configured to connect the wheel unit to the rail vehicle structure such that the wheel unit is rotatable about the axis of rotation. The support unit can also include a primary suspension unit configured to provide resilient support of the rail vehicle structure on the wheel unit at least in the vehicle height direction.

This invention discloses a modular shock-absorbing bogie for easy disassembly in rail vehicles. The invention relates to the field of rail vehicle shock-absorbing steering technology. Two modular bogie bodies are connected to a square connector and a round connector on their sides, respectively, to define the positions of the two modular bogie bodies. An L-shaped groove is provided on the side of the square connector closest to the round connector. An L-shaped bracket is slidably connected to the outer wall of the round connector to engage with the L-shaped groove. A hollow hole is provided on the left side of the round connector. The advantages of this invention are: it achieves rapid insertion and reliable locking between the two modular bogie bodies; it is easy to operate, requires no large number of auxiliary tools, significantly improves the efficiency of modular bogie assembly and disassembly, shortens maintenance downtime, and the indicator block provides real-time and intuitive judgment of whether the L-shaped bracket has been fully engaged in the L-shaped groove, effectively avoiding safety hazards such as omissions or mis-installation, and improving the reliability of installation operations.

The utility model belongs to wheel pair technical field especially relates to a steering wheel pair with lubricating function, including mounting bracket and wheel, wheel is installed in mounting bracket left and right sides, is provided with the direction changing device in mounting bracket, and the direction changing device includes direction changing motor, gear, rack, rotation axis and mounting bracket. This steering wheel pair with lubricating function, through direction changing motor drive gear rotation, thereby drive rack removal, finally make mounting bracket and wheel change direction, through screw rod motor drive screw rod rotation certain number of turns, make the push board advance specified distance, will certain amount of lubricating oil through the connecting pipe press into the oil inlet, finally from the wheel axle surface lubrication hole flows out to the wheel axle and the wheel inner surface lubrication, improve the service life, through infrared speedometer detection unit time in the mark groove pass frequency to judge the wheel rotating speed, reach certain rotating speed through signal line to screw rod motor send signal and make it work to the wheel axle lubrication, reduce lubricating oil unnecessary loss.

The application discloses a kind of freight train K6 type bogie fixed-frequency secondary suspension structure and design method, it is related to the technical field of rail transit, it solves the problem that traditional secondary suspension is linear spring, the adaptability of train for different load conditions is poor, cannot provide consistent vibration isolation performance under different load conditions, the left and right sides of car body are respectively provided with one bogie side frame, each bolster is installed in one bogie side frame along vertical direction, a vertical steel spring group is installed between the lower surface of bolster and bogie side frame;Bolster's front and rear ends are respectively provided with one outside transfer frame, one inclined steel spring is provided in each outside transfer frame, the application utilizes nonlinear fixed-frequency vibration isolation characteristics, can ensure that the initial vibration isolation frequency of bogie secondary suspension remains unchanged when vehicle is under different loads, to realize consistent vibration isolation performance under different load conditions.

A railway vehicle and a device therefor for preventing accumulation of snow on a bogie. The device for preventing accumulation of snow on a bogie comprises at least one flow guide air duct (1), and the flow direction of an airflow in each flow guide air duct is opposite to a running direction of a vehicle body; each flow guide air duct comprises a first air duct (11) and at least one second air duct (12), each second air duct being in cross-communication with one end of the first air duct; the first air duct is configured to guide the airflow to flow through a bogie along an upper surface of the bogie (2), the first air duct is provided with at least one air ejection port (111), and each air ejection port is configured to eject air to the bogie from top to bottom to melt ice and snow accumulated on the bogie; and each second air duct is configured to guide the airflow to flow from an end portion of the bogie to the bottom of the bogie so as to avoid accumulated snow from flowing into the bogie. The device for preventing accumulation of snow on a bogie not only can avoid the airflow from flowing into the bogie in heavy-snow weather and melt ice and snow accumulated on the bogie at the same time, but can also cool the bogie in high-temperature weather, thereby reducing adverse factors that threaten safe running of a railway vehicle, and improving the driving safety of the railway vehicle.

The application discloses a primary suspension system and a railway vehicle, which comprises a framework, an axle box body arranged on the inner side of a side beam of the framework, a rubber node assembly connected between the top of the axle box body and the framework, used for providing longitudinal and transverse positioning stiffness and releasing vertical stiffness, two steel spring assemblies connected between the top of the axle box body and the framework, and the two steel spring assemblies are respectively arranged on the two sides of the rubber node assembly along the longitudinal direction, used for providing vertical stiffness, and a positioning pull rod connected between the bottom of the axle box body and the framework, used for providing longitudinal stiffness and releasing vertical stiffness and transverse stiffness. The vertical stiffness, the transverse stiffness and the longitudinal stiffness are decoupled, the stiffness in the vertical direction, the longitudinal direction and the transverse direction is respectively realized independently, the primary suspension system has sufficient wheelset axle box positioning stiffness and small vertical stiffness, the critical speed and the ride comfort of the vehicle are ensured, and the high-speed stability and the smoothness requirement of the vehicle are met.

The present invention relates to a three-point support device (30) for a vehicle body (32), the device (30) comprising: a. a first bogie (40) adapted to support the body (32) by a first support point, the first support point being formed by two first secondary air suspensions (50) pneumatically linked or by a central emergency suspension (52) when the first secondary air suspensions (50) are malfunctioning, and b. a second bogie (42) adapted to support the body (32) by a second and a third support point, each of the second and third support points being formed by a separate second secondary air suspension (70) or by a lateral emergency suspension (72) associated with said second secondary air suspension (70) when said second secondary air suspension (70) is malfunctioning.

The invention relates to a rail vehicle comprising at least two carriages, wherein the ends of adjacent carriages are supported on a common Jacobs bogie, and an electric drive system, wherein the drive system has at least two traction batteries arranged on different carriages, and wherein the traction batteries are connected via at least one high-voltage line. The rail vehicle is characterized in that a section of the at least one high-voltage line is routed over the Jacobs bogie.

The present application relates to the technical field of electronic guide rubber wheel system, more particularly, to a double-axle rubber wheel bogie based on small wheel diameter and a modular multi-unit train.The double-axle rubber wheel bogie comprises: independent suspension assemblies, which are externally connected with a vehicle body; wheel edge drive assemblies, which are respectively installed on corresponding knuckles of the independent suspension assemblies; a double-axle linkage steering mechanism, which transmits the action of a steering gear to a small wheel diameter tire assembly; and the small wheel diameter tire assembly, which is installed on the wheel edge drive assembly and used for bearing running load and providing damping effect.The independent suspension assemblies, the double-axle linkage steering mechanism and the small wheel diameter tire assembly are matched and integrated with transverse-row seats in a passenger compartment to realize the fusion of longitudinal-row seats in the passenger compartment and the wheel package.The present application effectively reduces the floor height of the vehicle through the small wheel diameter design, and improves the problem of the wheel package being conspicuous and improves the comfort experience of passengers through the fusion design of the longitudinal-row seats in the passenger compartment and the wheel package.

The utility model provides a kind of straddle type monorail split type bogie assembly and straddle type monorail vehicle, it is related to railway vehicle technical field, straddle type monorail split type bogie assembly includes framework, drive component, running wheel component, secondary suspension component, anti-nodding torsion bar component and horizontal wheel component;Drive component includes motor mounting seat, drive motor, brake unit, gear box mounting seat and gear box;Motor mounting seat and gear box mounting seat are spaced apart and arranged in the high side beam of framework;Drive motor is installed in motor mounting seat;Gear box is installed in gear box mounting seat;The output shaft of drive motor is connected with the input shaft of gear box;Brake unit is arranged between drive motor and gear box;Running wheel component is connected in the output end of gear box.By split type mounting structure, drive motor and gear box are isolated, the vibration interaction between motor and gear box is effectively reduced, and the risk of gear tooth surface pitting and motor insulation layer rupture is reduced.

The present application relates to the technical field of electronic guide rubber wheel system, more particularly, to a double-axle rubber wheel bogie based on small wheel diameter and a modular multi-unit train. The double-axle rubber wheel bogie comprises: independent suspension assemblies, which are externally connected with a vehicle body; wheel-side drive assemblies, which are respectively installed on corresponding knuckles of the independent suspension assemblies; a double-axle linkage steering mechanism, which transmits the action of a steering gear to a small wheel diameter tire assembly; and the small wheel diameter tire assembly, which is installed on the wheel-side drive assembly and used for bearing running load and providing damping effect. The independent suspension assemblies, the double-axle linkage steering mechanism and the small wheel diameter tire assembly are matched and integrated with transverse row seats in a passenger compartment to realize the integration of the transverse row seats in the passenger compartment with wheel packages. The present application effectively reduces the floor height of the vehicle through the small wheel diameter design, and the transverse row seats in the passenger compartment are integrated with the wheel packages, which improves the problem of the wheel packages being conspicuous and improves the comfort experience of passengers.

The present application relates to railway heavy load freight vehicle, specifically to a kind of knotted frame combined with a pair of supporting wheel bogie.Aiming at the defects that the longitudinal structure of traditional 3-axle bogie is strong in rigidity, the middle wheelset is easy to produce second guide force, cause the poor curve negotiation performance of bogie, the serious wheel-rail wear and the large damage to track panel, the bogie of the present application adopts knotted frame structure, replaces the rigid integrated side frame structure of traditional 3-axle bogie, and adopts a pair of non-flanged, horizontal tread, and one-wheel one-axle supporting wheel, replaces the middle wheelset in traditional 3-axle bogie.Meanwhile, mechanism with rotary torque function is added in multiple directions and multiple levels in bogie structure, further improves the stability of anti-snaking performance of bogie.Through the above technical scheme, the bogie of the present application is expected to realize heavy load transportation of 100t level and above vehicles on existing special railway line, and realize the passing transportation of 80t level and above vehicles on existing general railway line.

This disclosure proposes a suspension steering mechanism and an off-highway mining dump truck. The suspension steering mechanism includes a steering knuckle, a steering arm, a mounting key, and a connecting member. The steering knuckle has a first mounting plane with a first keyway. The steering arm has a second mounting plane with a second keyway. The steering knuckle and steering arm are assembled via the first and second mounting planes, with the first and second keyways arranged opposite to each other. The second mounting plane has an angle greater than 90° and less than 180° with the steering plane of the suspension steering mechanism. The mounting key is accommodated in the first and second keyways. The connecting member connects the first and second mounting planes. Through the above design, this disclosure solves the stress concentration problem existing in off-highway mining dump trucks during operation, ensures the effective connection of the connecting member, and improves the reliability and stability of the mine truck steering system.

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