The invention relates to an axle support, also referred to as a subframe, for a motor vehicle, having at least two longitudinal members, at least one cross member joining together the longitudinal members, at least two attachment points for attaching a steering gear housing to the axle support and a device for positioning the steering gear housing on the axle support prior to mounting of the steering gear housing on the axle support. In order for such an axle support to offer a cost-effective and rapid positioning of a steering gear housing, the device for positioning the steering gear housing according to the invention has at least two mounts, one mount of which being attached to one of the longitudinal members and/or the cross member and another mount of the mounts being attached to another of the longitudinal members and/or the cross member, wherein the respective mount has at least two indentations for receiving positioning protrusions provided on the steering gear housing.

A frame for a purpose-built vehicle (PBV) includes: a front part frame positioned at a front side of a vehicle; a rear part frame positioned at a rear side of the vehicle; and a center part frame. The center part frame has a rectangular planar shape and is coupled between the front part frame and the rear part frame.

A robotic vehicle (10) comprising a first chassis platform (200) comprising a first wheel assembly (202) and a second chassis platform (210) comprising a second wheel assembly (212). The first and second chassis platforms (200, 210) is arranged to be spaced apart from each other. The robotic vehicle (10) further comprises a linkage (220) operably coupled to the first chassis platform (200) and the second chassis platform (210). The linkage (220) being coupled so as to be fixed relative to the first chassis platform (200) and so that the second chassis platform (210) is rotatable relative to the first chassis platform (200), wherein the second chassis platform (210) comprises a turning axis (400). Said robotic vehicle (10) further comprising an electric brake (262) disposed proximate to a turning shaft (422) of the linkage (220). The electric brake (262) being selectively applied by processing circuitry (110) to resist turning of the second chassis platform (210) about the turning axis (400) and being selectively released to allow the second chassis platform (210) to turn about the turning axis (400).

A ground milling machine, in particular a road milling machine or stabilizer or recycler, having a machine frame and at least one front travel unit as viewed in a longitudinal machine direction and at least one rear travel unit as viewed in the longitudinal machine direction, each travel unit comprising a respective travel wheel, which is in contact with an underlying ground during travel operation of the ground milling machine and has a wheel tread configured for direct ground contact, or a crawler track, which is in contact with an underlying ground during travel operation of the ground milling machine, and a drive wheel configured for driving the crawler track, at least one travel unit being height-adjustable along a lifting axis via a lifting device and/or being rotatable about a steering axis for steering the ground milling machine, and the at least one travel unit being arranged on the machine frame via a mounting device, said mounting device being configured such that the travel unit can be moved at least partially transversely to the lifting axis and/or steering axis through a translational movement.

A drive device for a handling trolley, including: a chassis; a wheel carrier; a drive wheel; a steering motor for rotating the wheel carrier relative to the chassis; a reduction gear connecting the steering motor to the wheel carrier, the reduction gear including a planetary gear set including an internal sun gear, at least one planet gear, and a planet carrier on which the planet gear is mounted, a ring gear surrounding the internal sun gear and the planet gear. The shaft of the steering motor is fixed relative to the internal sun gear, the wheel carrier is fixed relative to either the planet carrier or the ring gear, and the chassis is fixed relative to the other one of the two components.

A method of manufacturing a movable object is provided. The method includes a preparation step of preparing a wheel, a steering part including a wheel rod connected to the wheel and a steering motor rotating the wheel rod to steer the wheel, and a cover part including a receiving member in which a portion of the steering part is received. The method further includes an engagement step of joining the steering part and the cover part by engaging the steering part with the receiving member. The method additionally includes a disengagement step of disengaging the steering part from the cover part by separating the steering part from the receiving member. In the engagement step, the steering part and the cover part are joined by driving the steering motor to rotate the wheel rod in one direction.

A device and a system for controlling the turning of an object includes a shaft enclosing a first space, and a sleeve forming a second space between the shaft and the sleeve. Movement of the sleeve is transmitted to movement of the object. The device further comprises a housing comprising means for rotating the shaft and at least one inlet for a lubricant, and a lubricant collector. The shaft has a first through hole extending from the first space to the second space, and the sleeve has at least a second through hole for providing the second space in fluid communication with the lubricant collector. The housing is in fluid communication with the second space, and the first space is pressurizeable for causing the lubricant in the second space to be displaced through the second through hole and collected in the lubricant collector.

A drive device for a handling trolley, including: a chassis; a wheel carrier; a drive wheel; a steering motor for rotating the wheel carrier relative to the chassis; a reduction gear connecting the steering motor to the wheel carrier, the reduction gear including a planetary gear set including an internal sun gear, at least one planet gear, and a planet carrier on which the planet gear is mounted, a ring gear surrounding the internal sun gear and the planet gear. The shaft of the steering motor is fixed relative to the internal sun gear, the wheel carrier is fixed relative to either the planet carrier or the ring gear, and the chassis is fixed relative to the other one of the two components.

An automobile steering system for controlling the steering of left and right front wheels of an automobile, a left support shaft being provided on the left front wheel, and a right support shaft being provided on the right front wheel, the automobile steering system having a steering wheel, a steering transmission device, a left rotary table, a right rotary table and a steering device, wherein the steering wheel is connected to one end of the steering transmission device, and the other end of the steering transmission device is jointed with the steering device; the left and right rotary tables are respectively located at two ends of the steering device, the left rotary table being connected to the left support shaft, and the right rotary table being connected to the right support shaft; and the steering device has a left steel wire rope, a right steel wire rope and a synchronous belt, two ends of the left steel wire rope are respectively wound around the left rotary table and the synchronous belt, and two ends of the right steel wire rope are respectively wound around the right rotary table and the synchronous belt. The steering system cleverly adopts the steel wire ropes for the steering control of the wheels, has a simple structure, low manufacturing difficulty, low manufacturing costs and high accuracy, and is especially suitable for use in an electric vehicle.

A drive wheel in which the rotational axial center of a wheel along the vertical direction intersecting the axial center of the axle is arranged shifted in the horizontal direction orthogonal to the axial center of the axle with respect to the axial center of the pivot shaft. When a radius R1 of the wheel, center distance R2 between the rotational axial center and the axial center of the pivot shaft, rotational frequency n1 of the wheel, rotational frequency n2 of the pivot shaft, rotational speed V1 of the wheel, and steering rotational speed V2 of the wheel rolling on a floor surface while turning the pivot shaft satisfy V1=V2, relations of V1=2R1n1, V2=2R2n2, and n1=n2 (R2/R1) are satisfied.