20results about "Axle-boxes" patented technology

The invention discloses a power generation device for a bogie shaft end of a vehicle and a truck, and the power generation device for the bogie shaft end of the vehicle comprises a base which is suitable for being installed at the bogie shaft end of the vehicle; the input end of the transmission assembly is in power connection with the base; the output end of the transmission assembly is in power connection with the input end of the power generation device; wherein at least part of the transmission assembly is configured to be a flexible piece. According to the power generation device at the bogie shaft end of the vehicle, the power generation device does not need to be directly installed at the bogie shaft end of the vehicle, so that the dynamic load of the bogie shaft end of the vehicle is reduced, optimization of space arrangement is facilitated, and heat transfer between the power generation device and the bogie shaft end of the vehicle is facilitated.

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.

The utility model discloses a kind of high-speed train bogie axle box with self-lubricating function, including the split type axle box structure being connected with bogie, the axle box structure is divided into upper box and lower box, bearing hole is provided in the center of upper box and lower box, positioning guide mechanism is provided between upper box and lower box, the positioning guide mechanism includes the first locating block being arranged at the top of lower box and the second locating block being arranged at the bottom of upper box, sealing structure is arranged on the contact surface of upper box and lower box, self-lubricating composite gasket and support rail abutment are integrated in the bottom of lower box, oblique spring seat is provided on the lower box, and multiple-stage air spring assembly and hydraulic damper are provided between spring seat and bogie.The utility model split type structure reduces train wheel set replacement time, self-lubricating gasket reduces the friction coefficient between support rail, improves service life, and obliquely arranged air spring dynamically adjusts axle box vertical and lateral stiffness, solves the problem of large friction loss and high maintenance cost of existing axle box.

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 invention discloses an axle box, an axle box sealing control method and a rail vehicle, and relates to the technical field of axle box sealing. Wherein the axle box body is provided with an inner cavity; the air supply pipe is used for supplying air into the inner cavity to increase the pressure of the inner cavity; the sealing assembly is connected with the axle box body and used for being switched from the first sealing state to the second sealing state when the inner cavity pressure is larger than the outer pressure of the axle box body so as to improve the sealing grade of the inner cavity. The axle box solves the problem that the sealing performance of the inner cavity of the axle box is difficult to effectively improve in a high-sandstorm environment.

The system (7) for the transportation of loads and / or persons at height comprises at least one car (1) defining at least one cab (2) for the transportation of loads and / or persons, and comprises: - cable transport means (4) of the car (1) adapted to move the latter suspended at height; - movement means (6) of the car (1) onto the ground.

The invention discloses a bogie and a railway vehicle, the bogie comprises a framework, a plurality of wheel pairs, a plurality of gear boxes, a plurality of traction motors and a plurality of brakes, and the framework comprises two side beams and a cross beam connected between the two side beams. The wheel pairs are arranged at intervals in the extending direction of the side beams and connected to the bottoms of the corresponding side beams through primary suspensions respectively. One side of each gear box is mounted on the corresponding wheel pair in a journal sticking manner, and the other side of each gear box is connected to the cross beam. The traction motors are in transmission connection with the corresponding gear boxes through couplings and connected to the adjacent cross beams respectively. And each brake is close to the corresponding wheel pair and is connected to the close cross beam. According to the bogie provided by the invention, the traction motor, the brake and part of the gear box are connected to the cross beam, and the unsprung mass is reduced as much as possible, so that the operation controllability, stability and comfort of a locomotive can be greatly improved.

The invention relates to a variable gauge device applied to a bogie, and relates to the technical field of rail transit equipment, the variable gauge device comprises a wheel set axle box mechanism, the wheel set axle box mechanism comprises an axle, two wheels are coaxially arranged on the axle, the wheels are in sliding connection with the axle in the axial direction of the wheels, and axle boxes are rotationally connected to the two ends of the axle; brake mechanisms are arranged on the outer sides of the wheels and used for being in sliding connection with the framework. The wheels are coaxially provided with connecting pieces, the connecting pieces are rotationally connected with the wheels, rigid connecting pieces are arranged between the connecting pieces and the corresponding brake mechanisms, one ends of the rigid connecting pieces are connected with the connecting pieces, and the other ends of the rigid connecting pieces are connected with the corresponding brake mechanisms; locking mechanisms are arranged on the outer sides of the axle boxes and used for locking the corresponding connecting pieces. According to the variable gauge device, the variable gauge device is simplified, the production cost of the variable gauge device is reduced, the mounting and dismounting convenience of the variable gauge device can be improved, and daily maintenance is facilitated.

The utility model discloses a kind of lightweight rotary arm positioning bogies, it is related to the design and manufacturing technical field of railway vehicle bogie, including side beam main body, the middle part inner surface of side beam main body is provided with sliding connecting block, and side beam main body is made of carbon fiber reinforced composite material multilayer extrusion, and sliding connecting block is made of titanium alloy 3D printing, the upper surface of the sliding connecting block is provided with rubber pad one, and the outer surface of sliding connecting block is slidably installed with main crossbeam. Compared with the existing ordinary bogie, the lightweight rotary arm positioning bogie solves the problems of excessive spring-down mass, material application limitations, structure optimization and lightweight synergy difficulties, manufacturing process innovation needs, full life cycle performance improvement, etc., and has essential differences with existing technology in systematic lightweight design concept, material application scheme, structure optimization method, manufacturing process integration, intelligent maintenance design, etc., achieving collaborative breakthroughs in multiple aspects of bogie.

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.

A support ring assembly for a railway axle having a support ring configured to be inserted between a rolling bearing and a collar of the railway axle, the support ring having an annular seat, a surface of a radially inner side wall fitted with a radial clearance over the collar and an end wall that abuts against the collar, an annular insert fitted into the seat by means of an annular shield and having an elastomeric annular element having at least two annular protuberances that engage with the collar, the annular element configured to engage with the collar so as to occupy the radial clearance.

The invention discloses an axle box end cover of an urban rail vehicle bogie, and relates to the technical field of rail transit, the axle box end cover comprises an axle box and an end cover, and the end cover is provided with a sealing assembly; according to the sealing assembly in the device, through the multiple transverse plates annularly and evenly distributed on the end cover, when a low-temperature environment is encountered, the transverse plates evenly distributed in the circumferential direction are pressed and locked, the arc-shaped pressurizing plate is driven to conduct radial compression compensation on the contracted sealing ring, and then adjustment of radial pressure on the outer side of the sealing ring can be achieved; when the environment temperature rises again, locking of the transverse plate can be relieved, the sealing ring can be restored to be in a free state, reversible adjustment along with environment changes is achieved, and the problem that in the prior art, due to the fact that an end cover is opened to replace a low-temperature special sealing ring, components in the axle box are polluted by impurities in air is solved. Therefore, the device improves the long-term service life and reliability of parts such as the bearing in the axle box.

The invention relates to the technical field of railway wagon bogies, and discloses a railway wagon welding axle box body which is characterized in that a web plate is of an n-shaped integrated structure; the end plates are welded to the two sides of the web, weld joints of the web and the end plates are spaced from the edges of the end plates, and the end plates and the bottoms of the web form an open structure, so that heat generated by the bearing is directly dissipated outwards. The reinforcing rib plates are arranged at the bottoms of the two ends of the web and connected with the web and the end plates in a welded mode. Compared with a cast axle box body in a totally-closed or totally-wrapped mode, the non-closed open structure forms a direct heat radiation channel on the premise of not obviously weakening a main body bearing structure, so that heat generated by a bearing can be dissipated to the outside more directly, and a roadside infrared axle temperature detection device can accurately capture a temperature rise signal conveniently; after simulation analysis, the weld joints are arranged in the area with low structural stress, stress concentration is avoided, welding deformation is reduced, the overall structure of the welded axle box body is symmetrical, the weld joints are symmetrical, stress is uniform, and the fatigue performance is excellent.

This utility model belongs to the field of locomotive and rolling stock technology, and discloses an axle box and a locomotive and rolling stock. The axle box is used to install axles and external axle box devices. The axle box includes an axle box body and an end cover installed on the axle box body. The end of the end cover away from the axle box body has an end face. The axle is rotatably installed on the axle box body, and the axis of the axle passes through the center point of the end face. The end face has an end face mounting hole. The external axle box devices are installed on the end face through the end face mounting hole, so that the main body of the end cover has a universal structure. The axle box external devices such as end speed sensors or grounding devices can be installed on the end face mounting hole through bolts or pins and other connecting parts, and then installed on the end face, so that the end face of the end cover can be adapted to various axle box external devices.

The utility model belongs to the technical field of wheel set axle boxes, and particularly relates to a sealed anti-leakage wheel set axle box structure which comprises a wheel set axle box and a connecting shaft, the connecting shaft is installed in the wheel set axle box, sealing devices are arranged at the left end and the right end in the wheel set axle box, and each sealing device comprises a first sealing mechanism and a second sealing mechanism. The first sealing mechanisms are arranged at the left end and the right end in the wheel set axle box, and the second sealing mechanisms are arranged at the left end and the right end in the wheel set axle box. According to the sealed anti-seepage wheel set axle box structure, the first sealing mechanism is arranged, the wheel set axle box is sealed through the sealing cover, meanwhile, the air inlet pipe is inflated, an air bag expands to fill a gap between the wheel set axle box and the connecting shaft, sealing of the wheel set axle box is achieved, the sealing effect is good, lubricating oil is prevented from seeping out, and the service life of the wheel set axle box is prolonged. And a second sealing mechanism is arranged, the wheel set axle box is further sealed through a third sealing ring, and the sealing effect is improved.

The utility model relates to the technical field of rail traffic, in particular to a rail axle box protective cover with a reinforcing structure, which comprises a wheel axle, wheels symmetrically and fixedly connected to two ends of the wheel axle, axle boxes symmetrically and rotatably connected to two ends of the wheel axle, spring supporting seats arranged at two ends of each axle box, and a protective cover main body fixedly connected to one end of each axle box through a bolt. A reinforcing assembly is fixedly connected to the inner side of the protective cover body, a sealing plate is fixedly connected to one end of the protective cover body, and a first sealing groove and a damping groove are formed in one end of the axle box; according to the rail axle box body protective cover with the reinforcing structure, the reinforcing assembly is arranged on the inner wall of the protective cover body to achieve reinforcing of the protective cover structure, the shock absorption grooves are formed in the threaded holes where the protective cover body is connected with the axle box, and the shock absorption rubber rings are arranged, so that the anti-vibration capacity of the protective cover is improved; dust and rainwater are prevented from seeping into the axle box due to long-term vibration and loosening, and the anti-seepage capacity of the protective cover is improved through the arranged sealing plate and sealing ring.