480 results about "Constant-velocity joint" patented technology

The invention discloses a ball cage type constant velocity universal joint detection device, and relates to the technical field of universal joint detection. Comprising a base, a supporting installation base is arranged at one end of the base and used for supporting and installing a workpiece, an oil adding mechanism is arranged on the side face of the base, and a driving mechanism is arranged at one end of the base; a switching mechanism is arranged at the other end of the base and comprises an angle frame rotationally installed on the base, an arc-shaped rail and an arc-shaped rack are arranged on the angle frame, a switching sliding seat is rotationally arranged on the arc-shaped rail and the arc-shaped rack, a rotating cylinder is rotationally installed on the switching sliding seat, and a clamping mechanism is arranged on the rotating cylinder and used for clamping and fixing a workpiece. A pressure applying mechanism is further arranged on the conversion sliding seat; the angle of the ball cage type constant velocity universal joint can be changed in real time, and loads can be additionally applied to different positions and different directions of the shaft section of the ball cage type constant velocity universal joint, so that the detection comprehensiveness is improved.

A constant velocity joint comprises a male element having arms, a female element having a central axis and defining a pair of symmetrical tracks and an outer roller which can roll on one or other of the two tracks via a peripheral rolling surface. The female element comprises at least one bearing surface which limits the rotation of the outer roller around an axis perpendicular to the axis' of the female element and of the arm. With respect to each arm the cross-section profile of each track comprises either two circular arcs having centers of radii offset one from another, or one single circular arc extending over a female element median plane, and the rolling surface has a part spherical shape or a part torical shape. Each track and the rolling surface are capable of contacting each other at a first and second contact points spaced radially from one another. The tilting of the roller is controlled by proximal and distal rails on the female element and by proximal and distal breaking surfaces on the outer roller.

A propeller shaft includes a rotational shaft and a constant-velocity joint. The constant-velocity joint includes an inner race member connected to the rotational shaft, a rolling member disposed on an outer periphery of the inner race member in a radial direction relative to a direction of a rotational axis of the rotational shaft, and a tubular outer race member provided on an outer periphery of the rolling member in the radial direction and configured so that a rotational force of the rotational shaft is transmitted thereto via the rolling member. The outer race member has first and second end portions of the outer race member in the direction of the rotational axis. The outer race member includes a centering portion provided at the first end portion and formed so as to be smaller than a maximum diameter of the outer race member in the radial direction.

A plunging type constant velocity universal joint includes an outer joint member having a plurality of linear track grooves, an inner joint member having a plurality of linear track grooves, a plurality of torque transmission balls, and a cage configured to accommodate the torque transmission balls in pockets. A curvature center of a spherical outer peripheral surface and a curvature center of a spherical inner peripheral surface of the cage are offset toward opposite sides in an axial direction with respect to a joint center. A spherical clearance that allows guide in contact is formed between a spherical outer peripheral surface of the inner joint member and a spherical inner peripheral surface of the cage. A positive axial clearance is formed between the pocket of the cage and the torque transmission ball.

A constant velocity joint includes an inner race having inner ball tracks extending between opposite inner race sides and an outer race having outer ball tracks extending between opposite outer race sides. The inner ball tracks have an inner ball track radius of curvature extending between the inner race sides. The outer ball tracks have an outer ball track radius of curvature extending between the outer race sides. At least one inner ball track radius of curvature has a convex curvature and at least one inner ball track radius of curvature has a concave curvature, and / or, the inner ball track radius of curvature of at least one inner ball track has a radius origin offset from the central axis of rotation, and / or, the outer ball track radius of curvature of at least one outer ball track has a radius origin offset from the central axis of rotation.

A portable on-vehicle dynamometer comprises a containment chassis (2), a drum (3) rotatably housed in said containment chassis (2) to rotate around a load shaft (4), mechanical transmission means (5) adapted to connect said load shaft (4) to the hub of a wheel of the vehicle being measured to transfer the motion of the vehicle engine to said drum (3), wherein said mechanical transmission means (5) comprise a connection flange (6) provided with a central axis of rotation and suitable to be fixed stably but removably to the hub of the vehicle wheel, wherein said mechanical transmission means (5) further comprise a CV joint (7) adapted to connect said flange (6) with one end of said load shaft (4) and designed to allow mutual angular regulation between said load shaft (4) and the central rotation axis of said flange (6) with respect to at least one inclination plane.

The invention discloses a measuring machine for detecting defects of a constant velocity universal joint component, and aims to solve the problems that the existing equipment is low in double-reference alignment efficiency, poor in precision and easy to be polluted and interfered. The device comprises a workbench with a center avoiding hole, a detection execution unit comprising a detachable contact type or laser measuring head, a motion driving unit driving the measuring head to move in a three-dimensional mode, a reference positioning unit comprising a double-vision assembly and a positioning adjusting assembly, an electric control unit and a cleaning auxiliary assembly. The electric control unit cooperates with the double-vision assembly to collect inner hole and outer circle references and controls the positioning adjusting assembly to finely adjust the position of a workpiece, and double-reference alignment is achieved. The measuring machine can improve the positioning precision and efficiency, enhance the workpiece clamping stability and the equipment universality, reduce the detection error caused by pollution, and guarantee the reliable detection.

The present invention comprises an outer race member including an outer race groove portion that is provided at an inner periphery of the outer race member formed into a cylindrical shape, in a recessed manner so as to be angled to a rotational axis of a constant velocity joint, a first outer race groove end portion situated on a first propeller shaft side of the outer race groove portion, and a second outer race groove end portion situated on a second propeller shaft side of the outer race groove portion; a ball member disposed in the outer race groove portion; and an inner race member provided on an inner peripheral side of the outer race member and connected to the second propeller shaft of a propeller shaft, the inner race member including an inner race groove portion provided at an outer periphery of the inner race member in a recessed manner so as to be angled to the rotational axis of the constant velocity joint and intersect with the outer race groove portion, the inner race groove portion being formed to have a larger outer diameter than the second propeller shaft, a first inner race groove end portion situated on the first propeller shaft side of the inner race groove portion, and a second inner race groove end portion situated on the second propeller shaft side of the inner race groove portion. Distance from a position at which the ball member is situated in the outer race groove portion to the first outer race groove end portion of the outer race groove portion is set longer than distance from a position at which the ball member is situated in the inner race groove portion to the second inner race groove end portion of the inner race groove portion.

The invention discloses a detection method of an automobile universal joint inner ball cage mold, which comprises the following steps: measuring and determining an outer contour protruding point of the automobile universal joint inner ball cage mold through a rotating platform and a vertical laser displacement sensor, and collecting point cloud data of an edge where the most protruding point of an outer cylindrical surface is located; collecting point cloud data of the edge where the most concave point of the inner cylindrical surface is located; converting into coordinate values in a space rectangular coordinate system; an auxiliary function is introduced, and the centers of fitting circles of the outer cylindrical surface and the inner cylindrical surface at different heights are solved through a least square method; respectively fitting the centers of the fitting circles of the inner / outer cylindrical surfaces into corresponding straight lines, and determining the coaxiality according to the fitting straight lines and the axis of the positioning hole of the automobile universal joint inner ball cage mold; and after deleting the chamfers in the point cloud data set of the edge where the most convex point of the outer cylindrical surface is located and the data points corresponding to the points not on the convex surfaces at the two ends, calculating the straightness of the outer cylindrical surface.

A constant velocity joint includes: an outer race provided with a through-hole extending along a longitudinal axis and forming a plurality of outer ball grooves; an inner race forming a plurality of inner ball grooves that respectively pair with the outer ball grooves; a plurality of balls that are respectively positioned within a space formed by the pair of the outer ball grooves and the internal ball grooves; a ball cage that accommodates the plurality of balls; and a grease retainer coupled to the outer race to prevent grease, which fills a space where the ball and the ball cage are placed, from leaking through the through-hole. The grease retainer has a convex shape protruding towards the ball and the ball cage.

The utility model relates to the technical field of universal joint manufacturing, in particular to a constant velocity universal joint assembly compression length and weight detection device. Comprising a workbench; the fixing device is arranged at one end of the workbench; the plurality of bearing devices are arranged on one side of the fixing device; the weight detector is arranged on the bearing device; and the extrusion device is arranged on the outer side of the bearing device, the universal joint is placed between the fixing device and the extrusion device and is supported by the bearing device, so that the assembly compression length of the universal joint is detected, and meanwhile, the weight of the universal joint is detected through the weight detector. The compression length and weight detection equipment for the constant velocity universal joint assembly has the advantages of being capable of rapidly detecting the compression length and the weight of the universal joint assembly, high in working efficiency, wide in application range, simple in structure, convenient to operate and the like.

A constant velocity joint includes an outer part having a connecting portion and an opening portion and a plurality of axial grooves forming outer raceways, and an inner part having a plurality of axial grooves forming inner raceways. Each outer raceway and inner raceway form a raceway pair, a ball being disposed in each raceway pair. Each raceway pair defines a region in axial cross-section with respect to a groove longitudinal axis conceptually divided into four quadrants. The outer raceway is in the first and second quadrants and the inner raceway is in the third and fourth quadrants. With torque transmission in a first direction, the ball has two contact points in the first quadrant and / or two contact points in the third quadrant, and with torque transmission in a second direction, the ball has two contact points in the second quadrant and / or two contact points in the fourth quadrant.

Vehicles, wheel assemblies for vehicles, and methods for suppressing noise from vehicles are provided. A wheel assembly for a vehicle includes a knuckle; a wheel hub configured to rotate within the knuckle, the wheel hub extending from a proximal end to a distal end, wherein the distal end is configured for engaging a wheel; a constant velocity (CV) joint configured for transferring torque from power plant to the wheel hub, wherein the CV joint has an outer surface including a shoulder; a recess formed between the proximal end of the wheel hub and the shoulder of the CV joint; and a noise-canceling washer positioned in the recess, wherein the noise-canceling washer abuts the proximal end of the wheel hub and the shoulder of the CV joint.

Joint arrangement comprising: a constant velocity joint having an outer race with a welded seat; a flange component having a weld seat projection on a first side, the weld seat projection configured to engage the weld seat of the outer ring; a conductive component interconnecting the outer ring and the flange component at an interface between the outer ring and a second side of the flange component opposite the first side; and a shaft component drivingly coupled to the constant velocity joint, wherein the constant velocity joint is received by the shaft component at the weld seat of the outer ring and drivingly coupled to it.

The utility model provides an all-terrain vehicle which comprises a left front constant-speed driving shaft, a right front constant-speed driving shaft, a left rear constant-speed driving shaft, a right rear constant-speed driving shaft, a front axle and a rear axle, and the left front constant-speed driving shaft comprises a first inner ball cage type constant-speed universal joint connected with the front axle; the right front constant-speed driving shaft comprises a second inner ball cage type constant-speed universal joint connected with the front axle; the left rear constant-speed driving shaft comprises a third inner ball cage type constant-speed universal joint connected with the rear axle; the right rear constant-speed driving shaft comprises a fourth inner ball cage type constant-speed universal joint connected with the rear axle; the distance between the center of the left front wheel and the center of the right front wheel in the left-right direction is L1, the distance between the center of the left rear wheel and the center of the right rear wheel in the left-right direction is L2, and the distance between the steel ball center of the first inner spherical cage type constant velocity universal joint and the steel ball center of the second inner spherical cage type constant velocity universal joint in the left-right direction is LF. The distance between the steel ball center of the third inner spherical cage type constant velocity universal joint and the steel ball center of the fourth inner spherical cage type constant velocity universal joint in the left-right direction is LR; wherein LF / L1 is larger than or equal to 0.08 and smaller than or equal to 0.25, and LR / L2 is larger than or equal to 0.11 and smaller than or equal to

A boot assembly for a constant velocity joint. The boot has mating segments to encase the CV joint housing. A split seal is configured to open and pass over the CV joint housing and mate with the CV joint housing without dissembling the related drive components. The interior of the seal is configured for use with circular and non-circular CV joint housings.

To reduce an induction thrust of a double offset type slidable constant velocity universal joint, to make it suitable for use in a power transmission system of a vehicle (EV or HEV) with an electric motor as a drive source.SOLUTION: In a double offset type slidable constant velocity universal joint 1 that is provided in a power transmission system of a vehicle with an electric motor as a drive source, an axial gap (pocket gap) δ1 is formed between a pocket 12 of a holder 5 and a ball 4, and an axial gap δ2 of 0.6 mm or more is formed between a spherical part 15 of an inner surface of the holder 5 and a spherical outer peripheral surface 8 of an inside joint member 3.SELECTED DRAWING: Figure 3

The invention relates to a wheel bearing arrangement, comprising a hub (10), a wheel bearing (20) arranged on the hub (10), a wheel carrier (30) to which the wheel bearing (20) is fixed by means of a wheel bearing outer ring (21), comprising a synchronous universal joint (40) which is axially clamped to the hub (10) by means of a planar tooth meshing device, and comprising a sealing ring (50) which surrounds and seals the planar tooth meshing device on the radially outer side. A sealing ring is pre-assembled on the constant velocity joint and engages with the hub outside the force flow of the wheel bearing in the assembled state of the wheel bearing arrangement, the sealing ring providing a contactless pre-seal for the wheel bearing while interacting with the wheel carrier.

The present invention relates to the technical field of universal joint quenching, and in particular to a constant velocity universal joint automatic quenching production system. It comprises: a machine tool, a workbench arranged on one side of the machine tool, a discharging table arranged on the other side of the machine tool, a rod quenching grabbing manipulator arranged near the machine tool, an inner cavity quenching grabbing manipulator arranged adjacent to the rod quenching grabbing mechanism, a rod quenching mechanism arranged inside the machine tool, an inner cavity quenching mechanism arranged adjacent to the rod quenching mechanism, and a transition grabbing manipulator for transferring the universal joint after rod quenching to the inner cavity quenching mechanism, and a fume recovery mechanism arranged above the rod quenching mechanism for collecting fume generated during quenching. The present invention provides a constant velocity universal joint automatic quenching production system with the advantages of high degree of automation, improved quenching accuracy, high work efficiency, good quenching effect, no environmental pollution, simple structure and easy use.

This invention discloses a calibration unit for a constant velocity universal four-wheel alignment instrument with a hinged rod, belonging to the field of transportation technology. It includes a unit base, a drive motor mounted on one side of the unit base, a constant velocity rotating seat mounted above the unit base, a kingpin assembly mounted above the constant velocity rotating seat, half-shaft assemblies snapped onto both sides of the kingpin assembly, and angle adjustment assemblies sleeved above the kingpin assembly. Two angle adjustment assemblies are included, each comprising an angle adjustment base, an angle adjustment drive arm, an angle adjustment hinge plate, an angle adjustment kingpin sleeve, and an angle adjustment lever. The upper surface of the unit base is movably connected to the lower surface of the angle adjustment base. The inner side of the angle adjustment base is fitted to one end of the angle adjustment drive arm, and the other end of the angle adjustment drive arm is connected to the angle adjustment lever. The end of the angle adjustment lever away from the angle adjustment drive arm is connected to the angle adjustment hinge plate, and the inner side of the angle adjustment hinge plate is connected to the angle adjustment kingpin sleeve. This invention uses a constant velocity universal joint with a hinged rod, improving measurement accuracy.

A grease composition for an outer constant velocity joint, which contains (a) a diurea-based thickener and (b) a base oil, and (b) a base oil having a kinematic viscosity of 3,000-20,000 mm2 / s at a temperature of-20 DEG C as measured by JIS K 2283, and containing a synthetic oil.

A hub-integrated-type constant-velocity joint device in which one hub housing (40) functions as both an outer race of a constant velocity joint and a wheel hub combining a disc (2) of a wheel and a knuckle (3). In this configuration, a boot sealing portion (110) integrally formed at a boot 50′ is inserted in a gap (35) between an inner race (32) and an outer race (33) of a bearing (30), thereby functioning as an inner seal closing up the gap between the inner race (32) and the outer race (33).

The utility model discloses a light electric single-wheel balance car driven by an external motor. The light electric single-wheel balance car comprises an electric control and seat cushion unit, a suspension lower movable unit, a motor driving unit, a shock absorber, a battery pack unit, a wheel set unit, a pedal and the like. A high-speed motor is used for speed reduction through a gear and power transmission through a constant velocity universal joint, and finally a belt speed reducer is used for driving a wheel set to rotate, so that modular power layout is achieved. Due to the fact that the power / weight ratio of the high-rotating-speed motor is larger, the total weight of the vehicle can be effectively reduced. The suspension structure of the triangular double shock absorbers can reduce the number of components. The upper half part of the universal coupling is fixed in the shell of the driving unit, the lower half sliding part of the universal coupling is positioned below the damping system spring, and the motor is fixedly mounted through the expansion joint of the universal coupling, so that the power unit does not move along with the suspension. Due to the adoption of the modularized structure, the disassembly and maintenance are convenient, and the reassembly and combination are simple and convenient. The last stage adopts belt transmission, noise is reduced, and maintenance is convenient.

This constant velocity joint comprises: an outer joint member defining a longitudinal axis and including a first outer ball track and a second outer ball track; an inner joint member including a first inner ball track paired with the first outer ball track, and a second inner ball track paired with the second outer ball track; a plurality of balls; and a ball cage accommodating the plurality of balls. The outer joint member comprises an open side and a coupling side facing each other along the longitudinal axis. The pair of the first outer ball track and the first inner ball track forms a first aperture angle toward the open side in a non-articulated state, and the pair of the second outer ball track and the second inner ball track forms a second aperture angle toward the coupling side in a non-articulated state. The center line of the first outer ball track comprises a first coupling side arc through which a joint center surface passes and a first open side arc connected to the first coupling side arc. The center line of the second outer ball track comprises an intermediate arc through which the joint center surface passes, and a second coupling side arc and a second open side arc respectively connected to both sides of the intermediate arc.

A grease composition for outboard constant velocity joints, comprising (a) a diurea-based thickener and (b) a base oil containing a synthetic oil and having a kinematic viscosity at a temperature of -20°C measured according to JIS K 2283 of 3,000 to 20,000 mm2 / s.

The present invention provides a protective cover that is cantilevered and can suppress damage caused by localized stress concentration due to bending loads. [Solution] The heat shield member 70 is used to protect the constant velocity joint 40 extending in the direction of the axis C, and is made of a plate-like body and is L-shaped with two tip portions 74 and 76 when unfolded in a direction perpendicular to the thickness direction of the plate-like body. (a) The two tip portions 74 and 76 of the heat shield member 70 are provided with fastening portions 84 and 86, each having a fastening hole, and (b) the heat shield member 70 is attached to the transfer 26 in a cantilevered manner by fastening the fastening portions 84 and 86, respectively, and (c) the edge end portion 70e1 on the cantilevered side of the heat shield member 70 is provided with a notch 78 to suppress localized stress concentration due to bending load F generated in a cross section S perpendicular to the straight line L connecting the fastening portions 84 and 86, respectively.

To provide a wheel bearing device that facilitates assembly of a face spline without deteriorating the sealing performance of a seal member that prevents muddy water from entering the face spline.SOLUTION: A wheel bearing device comprises: an outer ring 2; an inner member including a hub ring 3 and an inner ring 4; balls 7; a constant velocity universal joint 20 coupled to the hub ring 3; and an inner-side seal member 9 which seals between the outer ring 2 and the inner ring 4. A face spline 11a and a face spline 25a are formed on an inner-side end face of the hub ring 3, and a shoulder portion 25 of the constant velocity universal joint 20. A cover member 17 is provided to protect an outer diameter side of the face spline 11a and the face spline 25a. An inner diameter of the cover member 17 is formed so as to increase in diameter toward the inner side.SELECTED DRAWING: Figure 1

A tool for removing a constant velocity (CV) joint from a driveshaft. The tool can include a frame with a first end arranged at a vehicle side of the CV joint and a second end arranged at a wheel side of the CV joint. The tool can further include an engagement member arranged at the first end of the frame. The engagement member can at least partly enclose the driveshaft and can engage with an inner race of the CV joint from the vehicle side of the CV joint. During use, the tool can be arranged such that a force applied to the frame at the second end of the frame in a direction away from the CV joint is transferred through the frame to the engagement member causing the engagement member to engage the inner race of the CV joint, thereby removing the CV joint from the driveshaft.

Provided is an assembling device including a phase matching device configured to perform phase matching (20) on a cassette (11), which is formed of an inner joint member (3) and a cage (5) fit to each other so as to be rotatable relative to each other about a center axis (Oi) of the inner joint member (3), to match circumferential positions of an inner track groove (9) of the inner joint member (3) and a pocket (10) of the cage (5). The phase matching device (20) includes a pair of moving bodies (23) configured to synchronously move in directions opposite to each other, and each of the moving bodies (23) is configured to perform slide movement along a direction orthogonal to an axis-parallel plane (P) including the center axis (Oi) as a reference, under a state in which a distal end portion (protrusion (24) formed thereon) of each of the moving bodies has been inserted in the pocket (10).

To propose a drive shaft having high strength and allowing an increase in torque transmission capacity with ease, in a structure where a fixed type constant velocity universal joint and a sliding type constant velocity universal joint are mounted on both ends of a hollow intermediate shaft.SOLUTION: The intermediate shaft is hollow over its entire length. A shaft portion is coaxially and integrally formed with the inner race of the fixed type constant velocity universal joint, and an end opening of the intermediate shaft is solid-phase bonded to the shaft portion. A shaft portion is coaxially and integrally formed with the tripod of the sliding type constant velocity universal joint, and the other end opening of the intermediate shaft is solid-phase bonded to the shaft portion.SELECTED DRAWING: Figure 1