137results about "Axle-boxes mounting" 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.

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.

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 bogie frame component for a railway vehicle that can reduce an amount of welding on a side beam.SOLUTION: A component of a bogie frame (10) for a railway vehicle includes a side beam (11). The side beam (11) includes two side plates (111b) and a top plate (111a). The side plates (111b) face each other. The top plate (111a) connects the side plates (111b) to each other at one end in a height direction of the side plates (111b). The side beam (11) is open on the opposite side in the height direction from the top plate (111a).SELECTED DRAWING: Figure 2

A roller bearing adapter pad system configured for use with a three-piece bogie, the roller bearing adapter pad system including a roller bearing adapter (599), an adapter pad. A roller bearing adapter configured to engage a roller bearing, the roller bearing adapter comprising: a coronal top surface (506); a bottom surface configured to engage the roller bearing; a first vertical shoulder and a second vertical shoulder (506) projecting upwardly from opposite lateral edges of the coronal top surface, each vertical shoulder having a lifting lug (600); a first longitudinal stop and a second longitudinal stop (504), the first longitudinal stop and the second longitudinal stop protruding upwardly from opposite longitudinal edges of the top surface; wherein the roller bearing adapter is symmetrical about the transverse center line and symmetrical about the longitudinal center line; and wherein the lift lug does not project laterally outward beyond the outer edge of each vertical shoulder. An adapter pad engaged with a roller bearing adapter and configured to engage with a side frame axle box cap, the adapter pad comprising: a continuous top plate having a central portion; first and second upwardly folded regions protruding upwardly from opposite edges of the central portion; a first transverse flange protruding outwardly from the first upwardly folded region, the first transverse flange having a first transverse edge; and a second transverse flange protruding outwardly from the second upwardly folded region, the second transverse flange having a second transverse edge, the continuous roof having a first longitudinal edge and a second longitudinal edge; a continuous bottom plate having a central portion; first and second upwardly folded regions protruding upwardly from opposite edges of the central portion; a first transverse flange protruding outwardly from the first upwardly folded region, the first transverse flange having a first transverse edge; and a second transverse flange protruding outwardly from the second upwardly folded region, the second transverse flange having a second transverse edge, the continuous base plate having a first longitudinal edge and a second longitudinal edge; and an elastomer member disposed between the top plate and the bottom plate; wherein the first and second laterally protruding flanges of the top plate and the first and second laterally protruding flanges of the bottom plate are disposed entirely above the vertical shoulder of the roller bearing adapter.

Achieved is a rubber bushing for railroad trucks which has a novel structure and is capable of improving, for example, flame resistance to externally applied fire or the like without greatly degrading the basic properties demanded with respect to vibrational and load inputs. A rubber bushing 10 used for railroad car trucks comprises a shaft-like inner member 12 and an outer member 14, disposed on the outer peripheral side of the inner member 12 at a remove therefrom, which are linked by a rubber elastic body 16. A cover part 48 that covers an exposed end surface 44, from the outside thereof, where the rubber elastic body 16 is exposed to the outside between the axial ends of the inner member 12 and the outer member 14, is provided at an axial end of the rubber elastic body 16 as a separate member from the rubber elastic body 16.

This axlebox support device that is for a railway vehicle truck and that is equipped with a coil spring interposed between an upper surface of an axlebox and a truck frame, said device comprising: a support arm that protrudes from the axlebox on one side in the front-rear direction of the truck and supports the axlebox; a cylindrical laminated rubber that has an outer cylinder having a shaft line, a cylindrical rubber disposed inside the outer cylinder, and an axle disposed inside the cylindrical rubber and that is disposed on one side of the axlebox; a fixing tool that fixes the outer cylinder, which constitutes the outer circumferential surface of the cylindrical laminated rubber, to the truck frame in a state where the outer circumferential surface of the cylindrical laminated rubber is exposed; and a positioning part for positioning the axle on the support arm.

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 discloses a primary nonlinear vertical suspension system and a railway vehicle, and belongs to the technical field of railway vehicle dynamics and vibration control. The system comprises a first mounting support, a first spring mounting seat fixedly connected with the first mounting support, a conical spring arranged in the first spring mounting seat, a second spring mounting seat connected with the conical spring, and at least one pair of belleville springs arranged between the first spring mounting seat and the second spring mounting seat, the tray is fixedly connected with the second spring mounting seat; the spiral spring is arranged on the tray; the second mounting support is fixedly connected with the spiral spring; one end of the belleville spring is hinged to the second spring mounting base, and the other end of the belleville spring is hinged to the first spring mounting base. The technical problem that a primary suspension system adopted in the prior art affects the vertical stability of the railway vehicle due to the spring stiffness can be solved.

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 application discloses a railway wagon running device and relates to the technical field of running devices, which comprises two symmetrical bottom frame mounting seats, axle box assemblies arranged on the corresponding bottom frame mounting seats, wheel pairs connected between the two axle box assemblies through bearings at two ends, a brake device arranged between the two bottom frame mounting seats and fixed below a vehicle body bottom frame, a traction pull rod arranged between the axle box assemblies and the bottom frame mounting seats in cooperation, two suspension springs, a vertical hydraulic shock absorber and a transverse hydraulic shock absorber. The application has the advantages of compact structure, light weight, reduced self weight of the whole vehicle, improved vehicle operation benefit, stable vehicle operation ensured by the cooperation of the suspension springs, the vertical hydraulic shock absorber and the transverse hydraulic shock absorber.

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 present invention discloses a bogie frame, a bogie and a motor vehicle, and relates to the technical field of bogies. The bogie frame includes two side beams, a first crossbeam and a second crossbeam; the first crossbeam and the second crossbeam are both connected to one of the side beams at one end and connected to the other side beam at the other end; along the length direction of the side beam, the side beam includes a middle section and end sections arranged at both ends of the middle section, the width of the end section is greater than the width of the middle section; and the middle section is a bent structure with an arc-shaped recess; the first crossbeam and the second crossbeam are both hollow tubular structures. The structural layout of the bogie frame provided by the present invention is more compact; the width of the end section of the side beam is greater than the width of the middle section, which facilitates the installation of spring sleeves on the end sections and improves the reliability of the installation of the spring sleeves. In addition, the first crossbeam and the second crossbeam are both configured as hollow tubular structures, which is conducive to reducing the weight of the bogie frame and achieving lightweighting of the bogie frame.

The invention provides a torpedo tank car braking system and a torpedo tank car. The torpedo tank car braking system comprises an air compressor, a pressure storage tank, a parking air path and a braking air path. The parking air path comprises a parking manual valve and a parking electromagnetic valve; the braking air path comprises an emergency electromagnetic valve, a proportional valve, a reversing valve and an operating valve. The torpedo tank car comprises a driven walking mechanism, a driven end shaft seat, a tank body, a driving end shaft seat, a driving walking mechanism and a machine room. The two ends of the tank body are connected with the driven end shaft seat and the driving end shaft seat respectively and arranged on the driven walking mechanism and the driving walking mechanism through center plates respectively, and the mechanical room is arranged on the driving walking mechanism. According to the torpedo tank car braking system and the torpedo tank car, autonomous control and autonomous air supply are completely achieved, the problems that a locomotive head traction type torpedo tank car is high in cost and low in efficiency are solved, and the problem that an underframe and a braking system of an autonomous advancing type torpedo tank car are not suitable is solved.

The present invention discloses a vibration damping device for an axle box and an axle box, comprising: an axle box body, provided with a vibration damping hole; a vibration damping box, fitted to the surface of the side of the axle box body provided with the vibration damping hole and arranged around the outer periphery of the vibration damping hole, the vibration damping box having an opening corresponding to the position of the vibration damping hole, and a cavity provided inside the vibration damping box; damping particles filled in the cavity. The axle box body is provided with a vibration damping hole and a vibration damping box, and the vibration damping box is arranged near the vibration damping hole so that the vibration damping hole and the vibration damping box form a superimposed vibration damping effect, thereby achieving a better vibration damping effect. Damping particles are arranged in the cavity of the vibration damping box. In this way, during the operation of a rail vehicle containing the axle box, the damping particles in the cavity of the vibration damping box can be used to increase the structural damping, which plays a role in consuming vibration energy, thereby reducing the vibration of the axle box, especially being beneficial in suppressing broadband vibration and reducing vibration transmission, thereby reducing the vibration fatigue of the axle box, improving the working life of the axle box, and increasing the service life of the axle box.

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 application provides a bogie side beam assembly, a bogie and a railway vehicle. The bogie side beam assembly comprises a side beam, a primary mounting seat, and an interface. The primary mounting seat has upper and lower clamping arms at one end, and a space for accommodating an end of the side beam is formed between the upper and lower clamping arms. The upper and lower clamping arms are respectively wrapped around the upper and lower surfaces of the end of the side beam and are fixedly connected with the end of the side beam. The middle bottom surface of the primary mounting seat is provided with the interface for being connected with a primary suspension device of the bogie. The bogie side beam assembly, the bogie and the railway vehicle provided by the application can adapt the side beam to bogies with different wheelbase, so as to realize the modular design of the bogie.

The application discloses a transversely coupled integrated tram box axle bridge and a manufacturing method thereof. The axle bridge comprises a bridge body, a first box and a second box which are symmetrically arranged at two ends of the bridge body and are suitable for mounting a gear transmission mechanism. The bridge body is a hollow structure and is communicated with the first box and the second box at two ends respectively. First mounting holes suitable for mounting wheel assemblies are formed in the outer sides of the first box and the second box. An installation platform suitable for mounting a vehicle frame is arranged at the top. Second mounting holes suitable for mounting motor assemblies are formed in the front sides of the first box and the second box. The application can position independent wheels, so that a transversely coupled bogie becomes possible. The independent wheels of the tram are automatically centered, and the tram has the advantages of good self-guiding, small eccentric wear and the like. The manufacturing method is comprehensively controlled from raw material design to casting forming, so that the finally manufactured castings meet design requirements.

The invention discloses a four-axle bogie, and relates to the technical field of railway vehicle bogies, the four-axle bogie comprises a framework and a framework supporting component, the framework is a rectangular framework structure, and a traction device is mounted on the framework; the number of the power wheel sets is two, the power wheel sets are symmetrically arranged in the framework, and a driving unit is connected to the power wheel sets; the two driven wheel sets are symmetrically arranged in the framework, the driven wheels are arranged on the outer sides of the power wheel sets and abut against the power wheel sets, and the diameter of the driven wheel sets is smaller than that of the power wheel sets; the braking devices are installed on the power wheel set and the driven wheel set, the axle distance and the total length of the bogie can be reduced, meanwhile, the weight of the bogie is reduced, and the bogie can adapt to locomotives which have low requirements for traction power and traction force but have the requirements for reducing axle weight and reducing the axle distance and the total length of the bogie.

The application relates to the technical field of rotating arm node of high-speed trains, and discloses a distributed coil magnetic sensitive rotating arm node applied to a high-speed train, which comprises a shell, a core shaft and combined elastic bodies, a plurality of combined elastic bodies are arranged between the shell and the core shaft, each combined elastic body comprises two elastic body structures, a first supporting steel ring and a second supporting steel ring and a permanent magnet ring, the permanent magnet ring is bonded between the two elastic body structures, the core shaft is provided with a groove, and a coil is arranged in the groove. In the application, the preparation process of the material is simplified through the arrangement of the magnetic column in the elastic body structure, the magnetic resistance is reduced to improve the magnetic penetration, the thickness of the elastic body is increased, the elastic performance and the safety are enhanced, the structure is simple, the bidirectional adjustment of the node stiffness is realized, the core shaft is provided with a groove, the coil is arranged in the groove, the effective hiding of the coil can be ensured, and the influence of the coil on the axial stress is reduced.

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.

The application provides a primary suspension device, and relates to the technical field of rail vehicles.The primary suspension device comprises two torsion bars and a swing arm installed on a frame.The middle part of the torsion bar is a curved section, and the two torsion bars are arranged in a cross shape and connected to the swing arm correspondingly.The inner end of the swing arm is installed in a swing arm mounting seat, and the outer end of the swing arm is connected to a wheel set through an axle box.The primary suspension device provides suspension stiffness by using the cross-shaped torsion bars, and does not need to use traditional springs, thereby simplifying the structure of the bogie.

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.

The embodiment of the invention relates to the technical field of locomotive suspension, and provides an inclined hydraulic rubber composite spring which comprises a seat body, a spring body and a spring body. The first rubber composite spring and the second rubber composite spring are arranged on the seat body and located on the two sides of the mounting part, the arrangement direction of the first rubber composite spring and the second rubber composite spring is defined as the first direction, the arrangement direction of a pair of hydraulic cavities of the first rubber composite spring is in the first direction, and the arrangement direction of a pair of hydraulic cavities of the second rubber composite spring is in the second direction. Each of the first rubber composite spring and the second rubber composite spring is provided with at least one pair of hydraulic cavities; an included angle is formed between the arrangement direction of the pair of hydraulic cavities of the first rubber composite spring and the arrangement direction of the pair of hydraulic cavities of the second rubber composite spring. By means of the technical scheme, the technical problems that in the prior art, a hydraulic rubber composite spring is weak in small-radius sharp turning capacity, and wheel track abrasion is likely to be caused are solved.

The utility model discloses a guide device for mine railway transportation, which comprises an adjusting mechanism for adjusting a gap between a wheel pair and a track; and the damping mechanism is used for damping during mine railway transportation. The first stretching column and the second stretching column are in reverse linear motion connection with the first guide groove, the first guide rod and the second guide rod through the arc-shaped sliding grooves, so that the wheel pair can be accurately adjusted according to the actual gap of the track under the driving of the hydraulic push cylinder; a contact type trigger arranged on a wheel set is in contact with a rail and then is triggered, then a first hydraulic push cylinder is used for pushing a trapezoidal vehicle to extend outwards, the adjusting process can be achieved through hydraulic power, the adjusting efficiency and convenience are improved, the derailing risk is reduced, the transportation safety is improved, and meanwhile the device is suitable for popularization and application. And the gap between the wheel pair and the track can be adjusted in real time, so that the abrasion of the track and the wheels is reduced, and the service life is prolonged.

The invention discloses a 200-kilometer-per-hour low-floor motor train unit non-power bogie, and belongs to the technical field of rail transit vehicle bogies, the 200-kilometer-per-hour low-floor motor train unit non-power bogie comprises a framework, a wheel set axle box positioning device, a secondary suspension device, a central traction device, a foundation braking device and an axle end device, a Z-shaped traction pull rod is adopted; the framework is an H-shaped welding structure box framework, circular brake beams are welded to the positions, located above the two sides of the cross beam, of the framework and used for being connected with a foundation brake device, and magnetic track brake seats are welded to the positions, located at the two ends of the brake beams, of longitudinal beams of the framework and used for hoisting magnetic track brake units. Meanwhile, the low floor requirement of a train is met, the train clearance meets the TSI standard, the foundation braking device is provided with a set of magnetic track braking unit, and the magnetic track braking seat is welded to the side portion of the framework side beam, so that installation of the magnetic track braking system is achieved.

The present disclosure provides a locomotive, a power bogie and a monitoring system thereof, and belongs to the technical field of locomotives. The power bogie comprises a frame, an axle device, a primary suspension device, a driving device, a plurality of data acquisition devices and a plurality of tread active grinding devices. The axle device comprises an axle box body rotatably connected with an axle; the primary suspension device connects the axle box body and the frame; the driving device is connected with the frame and the axle, and is used for driving the axle device; the plurality of data acquisition devices are arranged in one-to-one correspondence with the plurality of axle box bodies; the data acquisition device is arranged on the corresponding axle box body, and is used for acquiring the running parameters of the axle box body and sending the running parameters of the axle box body; the running parameters of the axle box body comprise vertical acceleration of the axle box body; the plurality of tread active grinding devices are arranged in one-to-one correspondence with the plurality of wheels; the tread active grinding device can grind the tread of the corresponding wheel in response to a grinding control signal. The power bogie can avoid excessive grinding of the tread of the wheel.