33results about How to "Reduce unsprung weight" patented technology

The present invention provides a suspension tuning device and kit for vehicles with four link rear suspensions. More specifically, the suspension tuning device generally comprises a pair of billet aluminum lower control arms each having a spring platform rotatably secured to a weight jacking bolt and a removable / replaceable sway bar attachment plate. Each end of the control arms include a transverse thru-bore adapted to accept a three part urethane bushing or a spherical bearing. The lower control arms are constructed to mount within a standard four link rear suspension, such as that supplied on a FORD MUSTANG, to permit quick suspension alterations throughout a predetermined range.

The invention relates to an Al / Sic and Cu / Sic composite material friction pair used for railway vehicles and a manufacturing method of the Al / Sic and Cu / Sic composite material friction pair and belongs to the technical field of manufacturing of friction pairs. A friction pair in the prior art has the defects of being complex in the production technology, poor in heat conduction performance and short in service life. A network silicon carbide ceramic framework is embedded in the friction face of the friction pair, a plurality of heat dissipating ribs are arranged in the circumferential direction of the other side of the friction pair, a ventilation channel penetrating through a brake disk is formed in the middle of each heat dissipating rib, the network silicon carbide ceramic framework is embedded in the friction face of a Cu / Sic brake pad, and latticed heat dissipating fins are arranged on the other side of the Cu / Sic brake pad. The manufacturing method of the Al / Sic and Cu / Sic composite material friction pair includes the steps of manufacturing the network silicon carbide ceramic framework, pretreating the framework, designing and manufacturing the brake disk and a brake pad casting die, casting the brake disk and the brake pad at low pressure, performing thermal treatment on the brake disk and the brake pad, performing precision machining on the brake disk and the brake pad and putting the finished product in storage. The Al / Sic and Cu / Sic composite material friction pair is simple in manufacturing technology, light in weight, high and stable in frictional coefficient, good in heat conduction performance, long in service life and suitable for the existing railway vehicles.

An air-cooled, in-wheel motor drive device (21) is provided with a lubricating oil circuit which is configured in such a manner that a lubricating oil which is discharged from a lubricating oil pump (51) lubricates a reduction section (B) by flowing and circulating through oil paths (54, 55, 56) which are connected to each other and are provided in a casing (22), an oil path (57) which is provided in a motor's rotating shaft, an oil path (58) which is provided in the reduction section's input shaft, and the inside of the reduction section (B), and that the lubricating oil which flows through the oil paths (54, 55, 56), which are provided in the casing, and is cooled by outer peripheral fins (22f) cools a motor section (A) and the reduction section (B).

Halbach Array electric motor with substantially contiguous electromagnetic cores, comprised of a plurality of electromagnets arranged in Halbach Array sequence, whose horizontal cores are equipped with fork-like prongs to provide substantial contiguity with vertical cores, assembled to serve as a circular or linear stator, rotor or both, and a plurality of permanent magnets likewise arranged in a Halbach Array sequence, assembled to serve as a circular or linear stator or rotor where required.

An eccentric thrust bearing assembly mounted in a wheel with built-in suspension including: an outside wheel member including a rim portion to which a tire is mounted; an inside wheel member including a disk portion coupled with an axle; and an elastic member interposed between the outside wheel member and the inside wheel member, the bearing assembly permitting an eccentric relative movement between the wheel members while bearing an axial load applied between the wheel members.

A steering and suspension mechanism for a motorbike, scooter, bicycle, skateboard or other two wheeled, in-line, vehicle, incorporating a steering axis rake that is inclined to the vertical, in a direction that is upwards and forwards from the ground in the normal direction of travel, together with a trailing radial arm suspension, in combination. Steering may be effected via a push rod attached to the handlebars, which in turn pivot on the main chassis. A brake calliper may be pivoted on the wheel axle, with a link to the steering head assembly to prevent rotation of the calliper with the brake disc under braking. This link may be parallel or nearly parallel to the radial arm. The exact angle can be chosen to control ‘dive’ due to weight shift under braking.

Wheel suspension for a wheeled vehicle, with a lower rocking lever (12) with an inner end being movably connected to a vehicle frame (14) via a lower arm part (16) of a double armed rocker (18) which is pivotable about a substantially horizontal axle (20) in the vehicle frame, and with an outer end being articulately attached to a lower part of a wheel hub (24), and an upper support arm (28) with an outer end being articulately attached to an upper end of the wheel hub (24), and with an inner end, being articulately connected to the vehicle frame (14). The upper support arm (28) is connected to an upper arm part (34) of the double armed rocker (18) via a coupling link (36), which is articulately connected to the upper support arm (28) as well as the upper arm part (34) of the double armed rocker (18), wherein the lower rocking lever (12) has an inclination obliquely downwardly outwardly from the vehicle frame (14) in a neutral position of the wheel hub (24). A hydro-pneumatically combined spring acting and damping member (42), which comprises a hydraulic piston-cylinder device (44) and a gas spring (50) communicating therewith via restriction members is with its cylinder articulately connected to the vehicle frame (14), while the outer end of the piston stem (48) of the piston-cylinder device is articulately connected to the upper support arm (28).

The invention discloses a lightweight brake wheel disk for high speed train, comprising a frictional disk made of carbon / ceramic frictional material and a framework disk of carbon-carbon composite material; the frictional disk and the framework disk are bonded to each other and fixedly connected through a rivet, and connected with a wheel through the framework disk. The brake disk is composed of the frictional disk made of carbon / ceramic material and the framework disk made of carbon-carbon material; the whole density is about one third of forged steel, and the wheel disk has obvious weight reducing effect of the brake system and better high temperature performance and brake efficiency; the lightweight brake wheel disk cannot be corroded in the high-concentration oxygen, and the brake performance is greatly improved, thus the carbon-ceramic brake disk can replace the service life of two steel brake disks, and the maintaining cost is greatly reduced.

A ridden motorized vehicle such as a motorized scooter, motorcycle, ATV, tricycle, snowmobile, or lawn tractor, having a driven rear wheel may be equipped with an enclosed chain or belt drive enclosure having a first end and a second end and an inner enclosure and an outer enclosure, such that the inner enclosure has the rear suspension member and the rear wheel mounted at the second end, and concentrically pivots at the first end on the motor assembly output shaft of a motor assembly fastened to or comprising part of the main vehicle frame, and the outer enclosure pivoted on another bearing co-linear with the motor assembly output shaft, but mounted on a removable section of, or attachment to, said frame.

A vehicle suspension, steering, damping and anti-roll system for a wheeled vehicle. Unlike most previous vehicle suspension and steering systems, this invention uses a rod-in-sleeve design for the front and rear suspension assemblies to allow vertical linear wheel knuckle movement of the wheels. This invention is unusual by using a cable-operated steering system and also by using cables to transfer cable tension from upward wheel movement to remote spring / shock absorber assemblies. Also unique is the use of a spring / shock absorber assembly arrangement that provides both suspension and anti-roll effects for a pair of right and left wheels in the same unit. The rear suspension proposed shares some similarities to the front suspension and consists of a dual rod-in-sleeve design with cables that transfer forces from road bumps to a remote spring assembly.

The invention relates to a new torpedo molten iron vehicle, which comprises the pot, the tilting device, the walking device, the driving terminal, and the driven terminal. Wherein, the walking device comprises: two end of big bridge support are connected to the small big support or structural steering support; two ends of small bridge support are connected to the structural steering which is formed by a integrated welding support, the axial box hanged on the wheel couple and the spring; the integrated welded support is formed by a box-shape section, the cartridge beam whose middle part is concave, and the H-shape symmetry structure formed by two welded side beams on two ends of cartridge beam; the cartridge beam is welded with a side support box; the inner guide frame or inclined dovetail base for vertically guide the frame move up and down is under the side beam; the inclined dovetail base contains a inclined dovetail; two side vertical surfaces of axial box contact the vertical surface of the inner guide frame or the inclined dovetail; the spring is arranged at two sides of axial box whose upper end face is connected to the horizontal plane of inner guide frame or inclined dovetail and lower end face is fixed on the support surface of axial box. The least curve radius through said invention can reach 60 meters.

The invention relates to a parking foundation brake device for a vehicle. The device comprises a braking clamp, a parking unit brake cylinder, a brake pad and a brake disc. The parking unit brake cylinder is composed of a unit brake cylinder and a parking cylinder; the unit brake cylinder comprises a brake cylinder, a middle body, a brake piston assembly, a brake adjusting mechanism and a yoke; the brake adjusting mechanism comprises an adjusting shaft, a guiding nut assembly, a resistant adjusting assembly and an adjusting nut assembly; the parking cylinder comprises a parking cylinder body, a parking piston assembly and a parking control mechanism; the parking control mechanism comprises a wedged body and a thrust sleeve. According to the device provided by the invention, a gap, between the brake pad and the brake disc, which is enlarged due to abrasion, can be automatically adjusted in the brake process, and the resistance adjusting assembly immediately acts when the brake force reaches a certain limit to resist the brake adjusting mechanism to adjust, so that the gap between the brake pad and the brake disc is still maintained in a normal range. The parking brake force provided by the invention is transferred through a bevel of the wedged body, so that the parking brake force is improved.

The invention provides a hinge pin type bogie adopting a single permanent magnet direct drive motor and double shafts for simultaneously driving an urban rail vehicle. The hinge pin type bogie comprises a bogie framework, wherein the bogie framework is composed of side beams and a sleeper beam and integrally forms an H-shaped framework after being mounted, permanent magnet motor mounting holes are formed in the bogie framework, the motor mounting holes are formed in two sides of the sleeper beam, and the motor mounting holes are longitudinally and transversely arranged in a symmetrical manner along the bogie; an air spring mounting base is arranged on the sleeper beam, and the bogie framework is connected with a vehicle body through two air springs; and a permanent magnet direct drive motor is longitudinally arranged below the sleeper beam, outputs torque from two ends, and transmits the torque to a wheel pair through an elastic coupling and a gear box. Due to the adoption of a single-motor frame suspension type structure, the unsprung weight and the overall weight of the bogie are reduced, and the size of the bogie is also reduced; and meanwhile, a face gear is used as a transmission gear, so that the bearing capacity and the transmission stability are improved.

The invention discloses an axle box guide pillar positioning type three-axis welding self-guiding radial wagon bogie which includes a framework, three groups of wheel set assemblies matched with the framework, and a basic braking device, wherein axle box suspension devices are connected to the two ends of main shafts of the wheel set assemblies in a matched mode; the basic braking device is used for braking the wheel set assemblies, main shafts of the wheel set assemblies located on the two sides are end shafts, the four axle box suspension devices corresponding to the two end shafts are connected through cross connection devices, and vertical hydraulic damping devices are installed between the four axle box suspension devices corresponding to the two end shafts and the framework. Gap sidebearings are arranged on the two sides, in the rail direction, of the framework. The invention provides the axle box guide pillar positioning type three-axis welding self-guiding radial railway wagonbogie to solve the problems in the prior art and achieve the purposes of simplifying the structure of the three-axis bogie and improving the working performance of the three-axis bogie.

The invention discloses a semi-independentsuspension structure with integrateddragging arms. The semi-independentsuspension structure comprises an integrated dragging arm assembly, a spring seat, a rear spring, a rear vibration damper, a left rear brake, a right rear brake, a left constant-speed transmission shaft, a right constant-speed transmission shaft, a speed reducer and differential mechanism assembly and a driving motor. The semi-independentsuspension structure is simple and is easy to maintain; the unsprung weight is reduced; the problem of safety is solved; the production cost is low; meanwhile, the riding comfortableness is also considered; compared with the conventional dragging arm scheme, a left dragging arm and a right dragging arm are integrated; a middle cross beam can effectively bear torsion; a cross beam part is located in a reverse direction of driving of a vehicle, so that the space in the vehicle is correspondingly increased; the riding comfortableness is improved; the driving motor is fixedly connected to the speed reducer and differential mechanism assembly; the speed reducer and differential mechanism assembly is connected with a frame; the failure rate of electric components is greatly reduced; the semi-independentsuspension structure is applicable to small motor vehicles and small electric vehicles.

An improved vehicle suspension system in which the conventional upper and lower ball joints, each having a spindle, are replaced by a Hime joint which includes a tapered or straight insert that is dimensioned to accommodate the spindle to which it is attached. The resulting suspension system has enhanced vertical and horizontal travel.

The invention relates to a mining locomotive walking part system. The mining locomotive walking part system comprises a motor, wherein a walking part is two-wheel opposite walking part without a steering frame; the two-wheel opposite walking part comprises a traction vibration reducing device, a wheel pair device, a walking speed reducer and a braking device; a vehicle body and the two-wheel opposite walking part are connected through the traction vibration reducing device, wherein the motor and the walking speed reducer are connected through a power transfer device; meanwhile, the wheel pair device is connected with the walking speed reducer; the motor drives the walking speed reducer to drive the wheel pair device to move; the braking device is connected with the wheel pair device; and the braking device controls the wheel pair device to advance. The system is simple in structure, can largely save the under-vehicle space, and can install a traction motor with higher power. Under the condition of satisfying locomotive limits, the mining locomotive traction power can be prominently improved. The system can be suitable for complex terrains, and is long in service life and low in part wear rate.

The invention discloses a preparation method of high-speed train carbon / ceramic composite friction pair, the friction pairs in different technical requirements can be respectively prepared by adopting different process parameters through a plurality of heat treatment and fusion siliconing. The carbon / ceramic composite friction brake pad is low in average abrasion, the service life of the high speed train brake device friction pair is improved, and the brake process under high speed is stable. The high-speed train carbon / ceramic composite friction pair prepared by using the method disclosed by the invention is capable of meeting the high-speed train brake requirement more than 300km / h, the high binding problem of the friction pair is effectively solved, the friction performance stability and service life of the friction pair are improved, the weight under the train chassis spring is lightened, and the use energy consumption is reduced.

A vehicle foundation braking device comprises a braking clamp, an unit braking cylinder, a brake pad and a brake disc, wherein the unit braking cylinder comprises a braking cylinder body, an intermediate body, a braking piston assembly, a braking adjusting mechanism and a yoke; the braking adjusting mechanism comprises an adjusting shaft, a guide nut assembly and an adjusting nut assembly; a parking cylinder comprises a parking cylinder body, a parking piston assembly and a parking control mechanism; the parking control mechanism comprises a wedge-shaped body and a thrust sleeve. The vehicle foundation braking device is reliable in braking performance, and particularly can automatically adjust a gap which is enlarged caused by the wear between the brake pad and the brake disc during the braking process; an adjusting resisting assembly can timely act to resist adjustment of the braking adjusting mechanism when the braking force reaches a certain degree, and thus the gap between the brake pad and the brake disc can be kept within the normal range all the time.

A bogie of a low-floor tramcar comprises a framework, a swing bolster, a traction device connected with a car body, axle boxes, wheel sets, drive systems, brake systems, primary suspensions, secondary suspensions and stone sweeping and sand scattering devices, wherein each drive system comprises a motor, a gear case and a hollow axle sleeve, a gear set is arranged in the gear case, an output shaft of the motor is connected with an input shaft of the gear case through a coupler, a wheel axle is sleeved with the axle sleeve, a gap is formed between the axle sleeve and the wheel axle, one end of the axle sleeve is connected with one coupling, the other end of the axle sleeve extends into the gear case and is connected with an output gear of the gear case, the coupling adopts a hollow structure, and a fixing sleeve is arranged on the inner wall of the coupling and is in clearance fit with the wheel axle. The gear cases are driven by the output shafts of the motors and drive the hollow axle sleeves, and the hollow axle sleeves are nested on the wheel axles of the wheel sets and transfer power to the wheel axles. By means of the drive system, the motors can drive the wheel sets, the unsprung weight of the bogie can be reduced under the action of the axle sleeves, and accordingly, the mechanical property of the bogie is improved.

The invention relates to a running part system of a mining locomotive, comprising a motor, the running part is a two-wheel-set running part without a bogie, and the two-wheel-set running part includes a traction damping device, a wheel-set device, and a running deceleration device. The car body is connected with the profiled part of the two wheel sets through a traction damping device, and the electric motor is connected with the profiled reducer through a power transmission device. At the same time, the wheel set is also connected with the profiled reducer, and the motor drives The shape reducer drives the movement of the wheel set, the brake device is connected with the wheel set, and the brake device controls the advance of the wheel set. This system has a simple structure, which can greatly save the space under the vehicle, and can be installed with a more powerful traction motor. The traction power of the mining locomotive can be significantly increased under the condition of meeting the locomotive limit. It can be applied to complex terrain, with long service life and low component wear rate.

An object of the present invention is to provide a platform-based expandable rear torsion beam suspension structure to solve the problems in the prior art. The platform-based expandable rear torsion beam suspension structure includes a cross beam and longitudinal arm assemblies symmetrically and fixedly connected to both ends of the cross beam. The cross beam includes a middle section and adjustment sections integrally connected to both sides of the middle section. The cross section of each adjustment section is a closed figure. The end portion of each adjustment section is a connection end attached and welded to the surface of the longitudinal arm assembly. The platform-based expandable rear torsion beam suspension structure can provide a better load-bearing capacity in a lightweight state, improves the margin of an index in the design, has good adaptability to different platforms and vehicles of different sizes, reduces the complicated and repeated labor in design and research and development verification, improves design production efficiency and further reduces production cost.

The invention discloses a lightweight heavy-load wheel set and a design method thereof, the wheel set comprises an axle and wheels arranged on the axle, and the axle is of a cylindrical structure; each end of the axle comprises an axle wheel seat area; the wheel comprises a hub, a radial plate and a rim, the radial plate is of a bent structure, one end of the radial plate is connected with the hub, the other end of the radial plate is connected with the rim, and a tread and a rim are arranged at the end, away from the radial plate, of the rim. The radial plate comprises a hub-radial plate transition area, a radial plate body and a rim-radial plate transition area. The wheel is arranged on the axle wheel seat area, and the rim-radial plate transition area is located on the outer side of the hub-radial plate transition area in the axial direction; the hub-spoke plate transition area is located between the hub and the spoke plate body, and the rim-spoke plate transition area is located between the rim and the spoke plate body. The wheel disk body is of a bent structure, and the wheel disk is connected with the rim and the hub through arcs. The unsprung weight of the bogie can be effectively reduced, wheel track abrasion is reduced, and the transportation efficiency is improved.

The invention provides a guide rail type railway vehicle bogie guide device and a railway vehicle, the guide rail type railway vehicle bogie guide device comprises a group of symmetrically arranged first guide assemblies, each first guide assembly comprises a first crank arm and a first guide wheel, one end of each first crank arm is connected to a walking wheel of the railway vehicle, and the other end of each first crank arm is connected to a second guide wheel of the railway vehicle; the other end of the first guide wheel is connected to the first guide wheel, and the first guide wheel is arranged in front of the walking wheel; the second guide assemblies are symmetrically arranged, each second guide assembly comprises a second crank arm and a second guide wheel, one end of each second crank arm is connected to a walking wheel of the railway vehicle, the other end of each second crank arm is connected to the corresponding second guide wheel, and the second guide wheels are arranged behind the walking wheels; the two ends of the transverse connecting rod are hinged to the two first crank arms or the two second crank arms respectively. The structure is simplified, the unsprung weight is reduced, the cost is saved, and the dynamic performance of the bogie is improved.