Abstract: The present invention relates to a mining hose connecting device and method, and belongs to the field of underground hydraulic equipment for coal mines. The mining hose connecting device comprises a joint unit, wherein the joint unit comprises a first joint and a second joint; a first fastening unit, wherein the first fastening unit is arranged symmetrically about a first plane, and the inner diameter of the first fastening unit is respectively in clearance fit with the outer diameters of the first joint and the second joint; and a second fastening unit, comprising a first fastener and a second fastener, wherein the inner diameters of the first fastener and the second fastener are respectively in clearance fit with the outer diameter of the first fastening unit.

Abstract: A vehicle control apparatus is applicable to an intelligent vehicle, a new energy vehicle, or the like and includes a first circuit board, on which an internal network interface is disposed, where the vehicle control apparatus communicates with an in-vehicle network of a vehicle by using the internal network interface, and a second circuit board, on which an external network interface is disposed, where the vehicle control apparatus communicates with a vehicle external network by using the external network interface.

Abstract: A quick detachable toilet cover includes a hollow casing which is arranged at the rear end of a cover assembly as well as adaptor mechanisms and damping mechanisms which are axially and serially arranged in the hollow casing, in which the adaptor mechanisms are matched with support poles on a toilet seat body, and the damping mechanisms are connected between the cover assembly and the hollow casing; the damping mechanisms are also sheathed with positioning sleeves, the damping mechanisms are located at and co-operated with the positioning sleeves along a circumferential direction, and the positioning sleeves are positioned and matched with the hollow casing along a circumferential direction.