143 results about "Device Wheel" patented technology

An in-wheel motor drive device is attached to an inner side of a wheel of a vehicle wheel and drives the vehicle wheel. The in-wheel motor drive device includes a rotating electric machine; a transmission mechanism that transmits the rotation of the rotating electric machine; a speed reducing mechanism that reduces in speed the rotation transmitted by the transmission mechanism; and an output shaft that outputs the reduced-speed rotation of the speed reducing mechanism to the wheel. The speed reducing mechanism and the output shaft are disposed on a first axis coaxial with a center of the wheel. The rotating electric machine is disposed on a second axis parallel to the first axis, and the rotating electric machine and the speed reducing mechanism are positioned in a radial cross section perpendicular to the first axis and the second axis.

The related position detection method for vehicle wheel comprises: fixing the target on the wheel, moving vehicle to obtain the target trace data by an image acquirement device; determining the real trace of the target by the image acquirement and process device and the wheel position data. This invention is simple, convenient and well accurate.

A permanent magnetism synchronous hub motor for electrically driven vehicle direct drive comprises shafts, a left end cover, rotors, stators, a right end cover, a rotating transformer, bearings are arranged on the shafts, inner rings of the left end cover and the right end cover are connected with the bearings in interference fit, stators are hot sleeved on the support of the shaft, the left end cover, the right end cover and the rotors are jointed together by bolts, the rotors are composed of rare earth magnet steels at interval adhering in the inner wall of the support by the magnet steel glue. The invention can be mounted in the vehicle wheel hub for directly driving the vehicle wheel and save traditional drive devices, thereby simplifying the whole vehicle structure, improving the drive efficiency and using the space effectively; the invention is an outer rotor motor without reduction gear mechanism, has small volume, large power, large starting moment, good control performance and low energy consumption, can reduce the whole vehicle weight and the maintenance cost and improve continued mileage and battery life.

Disclosed is a method for correcting an unbalance on a vehicle wheel including a rim and a tire, which includes measuring the unbalance of the vehicle wheel in an unbalance measuring station, rotating the vehicle wheel in the unbalance measuring station into a defined angular position and transmitting the defined angular position and the correction data to a control device for controlling an applicator head of a balancing station, transferring the vehicle wheel from the unbalance measuring station to the balancing station by means of a gripper arranged on a handling device and centrally locating and holding it in the balancing station, loading a corrective element which has one side coated with an adhesive and exhibits the weight amount determined in the unbalance measuring station into the applicator head of the balancing station, and rotating the vehicle wheel and/or the applicator head in dependence upon the control device in such a way that the corrective element in the cavity of the wheel rim reaches the correction plane and the attachment location on the attachment surface, and fastening the corrective element by pressing its adhesive-coated side against the attachment surface of the rim.

A device for simulating slip on vehicle test benches wherein a vehicle wheel which rolls on a movable testing surface of a test device such as a test roller or flat belt and performs the object of changing the frictional force between the wheel and the testing surface without necessarily having to change the coefficient of friction, A lifting/lowering device changes the contact force FA of the wheel in a predeterminable way from the tire to an apparatus as the wheel rotates.

A wheel lifting block apparatus includes a climbing block such as of rubber having a block abutting surface for placement against a tire tread and has a block traction surface facing outwardly from the tire tread; and block securing means for mounting the block on the circumferential tread surface of a tire after the tire has become embedded in a depression in a viscous surface to grip the viscous surface while lifting the tire relative to the viscous surface so that tire rotation causes the tire to climb out of the depression and advance to stable terrain. The block securing means preferably includes a strap slot extending through the block; and a strap having first and second strap ends and passing through the strap slot and having a length sufficient so that the first and second strap ends can wrap around a segment of a tire and through an opening in a vehicle wheel.

A vehicle control device capable of accomplishing a highly reliable vehicle control with the separation distance recognized correctly, even if a reduction or an error of the detecting capability occurs in the result of measurement by a separation distance measuring section for measuring the separation distance with an object such as inter-vehicle gap is provided. The control device includes a rotation detector for detecting the rotational speed of a vehicle wheel and a vehicle movement amount detecting section for detecting the amount of movement of a vehicle from an output signal thereof. The use is made of a separation distance measuring section such as a laser radar for measuring, on a non-contact basis, the separation distance between the vehicle and the object, and of a vehicle movement control section for controlling the movement of the vehicle using the separation distance and the vehicle movement amount.

The present invention relates to a device used for adjusting the height of a vehicle body (2) relative to vehicle wheels, spring damping system on the part of the support to the bodywork of the vehicle wheel suspension with respect to the wheels for the suspension means adjusting the height of the vehicle body (2), comprising for said spring damping system includesBody and fixed to the first and second spring plate (3,4) between the spring (5), and are connected in parallel and includes a piston rod (7) and the damper tube (8), shock absorber (6), the piston rod (7) is connected to the first spring plate (3), the damper tube (8) connected to the second spring plate (4). At least one adjusting cylinder (9) to support the vehicle body (2) are respectively mounted in the first spring plate (3) with the vehicle body (2) or the wheel suspension section.

The present invention relates to a method for measuring slip rate of wheel and detection equipment for implementing said method. The invented detection equipment includes base frame and four groups of drum groups. The shaft end of driving drum shaft is equipped with a driving drum speedometer, between driving drum and driven drum of every group of drums a slip rate detection device is set. Said invention also includes a programmable controller for data acquisition and processing the signal output end of the driving drum speedometer and slip rate testing drum speedometer can be connected with signal input end of programmable controller.

A control device for a four wheel drive vehicle. Differential limitation is applied to both of right and left rear wheels, with 2WD_d state being maintained, by executing two wheel control for engaging or half-engaging a first clutch and a second clutch. As the two wheel drive control is executed, a moment that suppresses the rotation speed difference between the right and left rear wheels acts on the right and left rear wheels even in the 2WD_d state. When the rotation speed difference occurs between the right and left rear wheels, a braking force is allowed to act on the vehicle wheel on the high rotation side and a driving force is allowed to act on the vehicle wheel on the low rotation side through the execution of the two wheel drive control so that a stable moment acts on the vehicle without a transition to a 4WD state.

The invention discloses a vehicle wheel identifying device, which comprises a pair of bodies, a controller, a pair of front fork arms, a pair of rear fork arms, a vehicle front wheel positioning detecting module and a vehicle front wheel clamping detecting module, wherein the pair of front fork arms and the pair of rear fork arms are oppositely arranged on the inner sides of the pair of bodies, the vehicle front wheel positioning detecting module is arranged on the inner side of the front fork arms, and the vehicle rear wheel clamping detecting module is arranged on the inner side of the rear fork arms. The vehicle front wheel positioning detecting module and the vehicle rear wheel positioning detecting module are used for detecting whether the front fork arms and the rear fork arms contact with front wheels of a to-be-dragged vehicle or not. The vehicle wheel identifying device can automatically position and clamp the front wheels of to-be-dragged vehicles which park at irregular positions, and accordingly the vehicles can be moved. Beside, parking difficulty and requirements to vehicle drivers are reduced, types and kinds of vehicles to be moved are increased and vehicle dragging adaptability is improved.

A lifting device (10, 40) for at least one wheel (8) of a vehicle or for a tyre (6) is provided. The device (10, 40) comprises at least one platform (12, 41, 42) on which the wheel (8) or tyre (6) moves, the platform (12) being liftable relative to a fixed surface (P). A laser scanner (20) is placed on the movable platform (12) to detect the state of wear of the tyre (6).

The invention relates to a vehicle wheel suspension mechanism capable of lifting vehicle wheels. The vehicle wheel suspension mechanism comprises a longitudinal swing arm (1), a damper (2), a suspension frame (3) arranged outside a vehicle body, a slide rail (4) and a hydraulic cylinder (5). The vehicle wheel suspension mechanism is characterized in that the longitudinal swing arm (1) is hinged to one end of the damper (2), the other end of the damper (2) is hinged to the suspension frame (3), the suspension frame (3) is in linkage with a piston rod of the hydraulic cylinder (5), the suspension frame (3) is pushed and pulled by the hydraulic cylinder (5) to move in the slide rail (4), the axis of the slide rail (4) and the axis of the hydraulic cylinder (5) are arranged horizontally, when the hydraulic cylinder pushes and pulls the suspension frame (3) to move along the horizontal axis in the slide rail (4), the suspension frame (3) drives the longitudinal swing arm (1) through the damper (2) to swing around the own swing arm axis, then the wheels are driven to raise and fall, and namely the suspension height of the vehicle wheels is changed. The mechanism can further be used in series and can be used for crawler belt bearing wheels and other occasions where multiple vehicle wheels are arrayed adjacently.

An apparatus for the maintenance of wheels of vehicles, like a balancer or a device for mounting/dismounting tires, comprises a support adapted to support a rim of a wheel of a vehicle. A device for detecting the eccentricity of a tire of the wheel is mounted on the support. Such device comprises an optical system configured to capture a light beam reflected by a tread of the tire and focus it on a point of an optical sensor. The optical sensor emits a signal indicative of an average value of a radial distance of the linear portion from the main axis. A control unit processes a plurality of average values corresponding to different linear portions of the tread and obtained during the rotation of the tire, and detects the eccentricity of said tire.

The invention belongs to the technical field of die cleaning, and particularly relates to a self-adaptive automatic cleaning device for a vehicle wheel forging die. The self-adaptive automatic cleaning device comprises a main control unit, a camera facility, a robot arm, a cleaning assembly, a connecting assembly, a support, a die rotating mechanism, a die fixing assembly and a cleaning fluid spraying mechanism. According to the self-adaptive automatic cleaning device for the vehicle wheel forging die, a cleaning liquid can be sprayed to the die for cleaning oil stains on the surface of the wheel die, the function of automatically cleaning uneven parts of convex-concave pits on the surface of the die can be realized, meanwhile, the function that the shape, the contour and the model information of the die can be automatically judged, and a cleaning track of the die can be adjusted in a self-adaptive mode according to different dies is achieved, the automation degree of die cleaning is improved, the surface of the cleaned die is clean, the effect is ideal, and the automatic cleaning device for the wheel forging die has the advantages that the labor intensity of workers is reduced, the high-efficiency production requirements are met, and the production efficiency is improved.

A method and an apparatus for determining rotary angle related measurement data of a body mounted rotatable about an axis of rotation, the body being a vehicle wheel or a part of a vehicle wheel, in particular a tyre or a rim, the method comprising the steps of obtaining measurement data comprising a plurality of measurement data elements of the rotating body together with respective measuring times, determining at least one rotational speed or revolution period of the body for at least one point in time, and associating the obtained measurement data elements to respective rotary angles of the body based on the respective measuring times and the at least one rotational speed or revolution period of the body.

A method for measuring the rotation speed of a wheel including the steps of: acquiring an analogue measurement signal (Sma) generated by a magnetic tachometer and containing a useful signal the frequency of which is representative of the rotation speed of the wheel; digitizing in real-time the analogue measurement signal (Sma) in order to obtain a time-dependent digital measurement signal (Smnt); calculating a Fourier transform of the time-dependent digital measurement signal (Smnt) in order to obtain a frequency-dependent digital measurement signal (Smnf); and carrying out a frequency analysis in order to identify by a search for peaks a useful spectral line (16) so as to obtain the frequency of the useful signal and therefore the rotation speed of the wheel.

A method of analysing a vehicle wheel comprising a tyre of a predetermined configuration and a thixotropic balancing substance, comprising rotating the vehicle wheel with a predetermined number of revolutions for a period of time, wherein a tread surface of the tyre is pressed in a first contact area against a rotatable drum with a predetermined force, and a first acceleration in the first contact area is measured with a measuring device; rotating another vehicle wheel comprising another tyre of the predetermined configuration with the predetermined number of revolutions for another period of time, the other vehicle wheel being conventionally balanced and having another residual unbalance, wherein another tread surface of the other tyre is pressed in a second contact area against the rotatable drum with the predetermined force, and a second acceleration in the second contact area is measured with the measuring device and if the first acceleration is less than or equal to the second acceleration, determining that the vehicle wheel is balanced. An apparatus, and a system, for analysing a vehicle wheel comprising a tyre of a predetermined configuration and a thixotropic balancing substance according to the method.