11 results about "Portal axle" patented technology

1. The name of the design product: low-floor portal axle. 2. The use of the design product: for light-weight passenger car axle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

Door spindle which can be opened and closed in two directions, characterized in that it has an outer sleeve (6), a first cover part, a second cover part, an output shaft (1203), a slide column (12), a central shaft (9), a return spring (7) and a spring locking part, wherein one end of the outer sleeve (6) is provided with a flange on which a flange installation hole (601) is provided, and wherein the second cover part is arranged in a tubular cavity of the outer sleeve (6) located close to the flange installation hole (601), and wherein the first cover part is arranged in a tubular cavity at the other end of the outer sleeve (6), and wherein the outer sleeve (6) is firmly connected to the first cover part and the second cover part, and wherein a first end section (9001) of the central shaft (9) projects into the inner cavity of the first cover part, and wherein the central shaft (9) and the first cover part form a fitting structure which is axially displaceable and rotates synchronously, and wherein a second end section (9002) of the central shaft (9) projects into the inner cavity of the slide column (12), and wherein the second end section (9002) is provided with a first drive shaft (901) and a second drive shaft (902) which are arranged opposite each other, offset upwards and downwards, wherein the slide column is provided with a first slide (1201) and a second slide (1202) which are arranged opposite each other, offset upwards and downwards, and wherein the first slide (1201) and the second slide (1202) are each V-shaped, and wherein the first drive shaft (901) extends into the first slide (1201) and the second drive shaft (902) extends into the second slide (1202), and wherein the output shaft (1203) protrudes from the cylinder base of the slide column (12), and wherein the output shaft (1203) protrudes from the inner cavity of the second cover part, and wherein the output shaft (1203) and the slide column (12) are movably connected to the second cover part, and wherein the output shaft (1203) and the slide column (12) move only in the circumferential direction in the tubular cavity of the outer sleeve (6), and wherein the spring locking element is firmly embedded in the central section of the central shaft (9), and wherein the assembly method of the return spring (7) consists of placing the return spring (7) on the shaft body of the central shaft (9) between the upper end face of the spring locking element and the inner end face of a non-axially moving component located above the spring locking element; and wherein the spring locking part moves axially and compresses the return spring (7) when the output shaft (1203) and the slide column (12) move circumferentially in the tubular cavity of the outer sleeve (6) and the first drive shaft (901) slides in the first slide (1201) and slides from the lowest position of the V-shape to the highest position of the V-shape and the second drive shaft (902) slides in the second slide (1202) and slides from the lowest position of the V-shape to the highest position of the V-shape.

Electric portal axle (1) for the electric drive of a motor vehicle, with two spur gear stages (13, 14) for driving two wheels of the axle, wherein the portal axle (1) has a single electric machine (2) to which a transmission (5) and a differential (7) are arranged, and wherein the portal axle (1) further comprises a housing (28), characterized by the fact that the transmission (5) is a switchable transmission (5) with freewheel (6), the switchable transmission (5) is designed as a planetary gear set, and for switching two gear stages of the portal axle (1) the latter has a switching means (23), wherein in a first gear stage a ring gear (9) of the transmission (5) and a housing-fixed clutch body (27) are connected and a clutch (29) which is arranged between the ring gear (9) and a planet carrier (11) of the transmission (5) is open, and wherein in a second gear stage the ring gear (9) and the housing-fixed clutch body (27) are separated and the clutch (29) is closed, the clutch (29) is designed as a friction-fit clutch, wherein the clutch (29) is arranged between the switching means (23) which is connected to the ring gear (9) in a torque-transmitting manner and the planet carrier (11).

The application relates to a vehicle external modular bearing device, belonging to the technical field of vehicle accessories, which comprises a first climbing rod, a second climbing rod arranged on one side of the first climbing rod, an upper step plate assembly arranged between the first climbing rod and the second climbing rod, a door shaft connecting handle arranged on the side of the first climbing rod away from the second climbing rod, and at least one lower step rod arranged below the upper step plate assembly. The lower step rod comprises a side hinge base and a hinge rod. The side hinge base is arranged on the side of the first climbing rod close to the door shaft connecting handle. One end of the hinge rod is connected to the side of the side hinge base away from the first climbing rod through a hinge shaft, so that the hinge rod can rotate around the hinge shaft and has a horizontal expansion working state and a storage state of being inwardly retracted close to the first climbing rod. The application can effectively avoid the possibility that a user climbs the lower step rod in a dangerous state of a vehicle tail door being open, thereby improving the safety.

A portal axle as well as a method for manufacturing a portal axle for a rail vehicle, which has an axle centre part extending along a longitudinal axis and two kingpins, one of which sits on a first end section of the axle centre part and a second on a second end section of the axle centre part formed opposite to the first end section. The kingpins are oriented away from the axle centre part and form an axis of rotation in use for a rail wheel rotatably mounted on the respective kingpin. The portal axle has optimised usage properties with minimised weight. This is achieved by a longitudinal opening extending in the longitudinal direction of the portal axle being formed in at least one of the mould components. The invention further provides a method for manufacturing an axle of this type.

This invention belongs to the field of air circuit sealing for off-road vehicle chassis, and particularly to a rotary sealing structure for the central inflation / deflation system of a vehicle portal axle. It includes a stationary component, a rotating component, a bearing component, and a pair of dynamically and statically mating mirror-finish silicon carbide sealing components. The stationary and rotating components are coaxially arranged, with a central through-hole inside the stationary component for compressed air to pass through. The bearing component is positioned between the stationary and rotating components to support the free rotation of the rotating component relative to the stationary component. The mirror-finish silicon carbide sealing component includes a stationary ring and a rotating ring. The stationary ring is fixed to the stationary component, and the rotating ring is fixed to the rotating component. The mirror-finished end faces of the two rings are fitted together to form a gas sealing surface. This invention achieves a non-entangled connection between the vehicle body fixed pipeline and the portal axle rotating pipeline through the relative rotation of the stationary and rotating ends, avoiding pipeline twisting and breakage, and improving system reliability.

The utility model discloses a kind of throttle shaft edge grinding positioning tool, including loading platform, bottom, electric rotary table, lateral frame and axle seat raw edge pressurized polishing unit, the utility model is in the process of using, by driving stepper motor one and stepper motor two, stepper motor one drives rotating seat one part reverse up, in rotating seat one reverse up process, the edge grinding roller one installed on rotating seat one will close in door shaft piece surface raw edge area, synchronous drive stepper motor two will drive rotating seat two follow-up, the edge grinding roller two installed on rotating seat two surface will be inserted and adhere in door shaft piece inner cavity raw edge area, subsequently by driving electric rotary table door axle workpiece rotation, edge grinding roller one and edge grinding roller two will realize door axle workpiece outer surface and inner cavity surface edge grinding step, guarantee door axle workpiece edge grinding effect.

This invention discloses an electric press mold frame gantry shaft and an electric press, belonging to the field of powder press technology. The gantry shaft consists of multiple lower punch motors and lead screws. The lower punch motors are symmetrically arranged on both sides of the mold plate, with each lower punch plate corresponding to two centrally symmetrical lower punch motors, ensuring balanced driving force. The lower punch motors employ a stepped hollow shaft, with the lead screw threaded into the hollow part of the shaft. A force sensor is installed at the connecting rod, enabling real-time force control of the gantry shaft and significantly improving multi-axis synchronization accuracy. Each lower punch plate is equipped with an adjustment mechanism consisting of a wedge groove, a wedge block stop, and an adjusting screw, allowing for fine adjustment of the stop's forming position and convenient compensation for mold length errors without the need to replace the mold or connecting parts. This invention features a compact structure, stable drive, and convenient adjustment, effectively improving powder forming accuracy and production efficiency.

The utility model relates to the technical field of civil air defense engineering, specifically relates to a kind of opening and closing device of protective door, comprising: support mechanism, the support mechanism includes first wheel frame and first wheel group;The first wheel group is installed on the first wheel frame, the first wheel frame is used to install in the lower part of protective door and is located in the end close to door shaft;Power opening and closing mechanism, the power opening and closing mechanism includes second wheel frame, second wheel group and drive assembly;The second wheel group is installed on the second wheel frame, the second wheel frame is used to install in the lower part of protective door and is located in the end away from door shaft;The drive assembly is installed on the second wheel frame, and the drive assembly is driven to connect on the second wheel frame.The utility model reduces the bearing capacity of door shaft position, solves the technical problem that protective door opening and closing device in prior art is prone to reduce the service life of protective door body.

The utility model relates to the technical field of dampers, in particular to a two-stage slow-closing damper which comprises an outer shell and an inner shell, the inner shell is arranged inside the outer shell, a blocking block is arranged at the opening end of the outer shell and used for blocking an opening of the outer shell and an opening of the inner shell, a shaft hole is formed in the center of the blocking block, and the opening end of the inner shell is provided with a through hole. A shaft hole is formed in the inner shell, a piston shaft penetrates through the shaft hole and extends into the inner shell, a piston is arranged at the end of the piston shaft in the inner shell, a gap exists between the piston and the inner wall of the inner shell, a spring is arranged in the inner shell, and at least one through hole is formed in the side wall of the middle of the inner shell. The two-stage slow closing damper can generate damping to a sliding door, the sliding door is rapidly closed by a certain angle and then decelerated to a slow state until the sliding door is closed, thrust to accessories on the top of a door shaft of the sliding door is effectively reduced, and the service life of the sliding door is prolonged.