742results about How to "Good vibration isolation" patented technology

The invention provides an automobile and a reinforcing device for an inner plate of a rear wheel casing of the automobile, and relates to white bodies of automobiles. The reinforcing device for the inner plate of the rear wheel casing of the automobile is characterized in that an inner plate of a C column is connected to the upper portion of the reinforcing device, a crossbeam of a rear seat and a rear crossbeam of a rear floor are connected to the lower portion of the reinforcing device, the reinforcing device is supported on the inner plate of the rear wheel casing, the reinforcing device for the inner plate of the rear wheel casing of the automobile comprises a support plate for the inner plate of the rear wheel casing and a double-arm reinforcing plate for the inner plate of the rear wheel casing, and the support plate for the inner plate of the rear wheel casing is connected with the inner plate of the C column and is supported on the inner plate of the rear wheel casing; the double-arm reinforcing plate for the inner plate of the rear wheel casing is connected with the support plate for the inner plate of the rear wheel casing and is provided with a front reinforcing arm and a rear reinforcing arm, the front reinforcing arm and the rear reinforcing arm are supported on the inner plate of the rear wheel casing, the front reinforcing arm is further connected onto the crossbeam of the rear seat, and the rear reinforcing arm is further connected onto the rear crossbeam of the rear floor. The automobile and the reinforcing device have the advantages that the Y-direction dynamic and static stiffness of the automobile and the stiffness of a C ring of a body of the automobile can be improved, and the reinforcing device is applicable to manufacturing the white body of the automobile.

The invention discloses a semi-active energy regenerative suspension shock absorber based on mixed excitation and a size determining method of the shock absorber. The shock absorber comprises an upper hoisting lug, a dust cover, a lower hoisting lug, a hydraulic shock absorber body and a mixed excitation mechanism. The hydraulic shock absorber body provides the constant viscous damping coefficient. The mixed excitation mechanism provides the adjustable electromagnetic damping force and converts vibration energy into electric energy for storage. Meanwhile, the invention provides the size determining method. The model selection of the hydraulic shock absorber body is determined according to the rating requirements, an electromagnetic damping force expression is derived, the primary size of the mixed excitation mechanism is determined through a particle swarm optimization algorithm, finite element analysis is conducted, the gas length is optimized, and the final size is determined. According to the shock absorber and the size determining method, the hydraulic shock absorber body and a mixed excitation cylindrical linear motor are integrated, the damping force is adjustable, energy is recovered in the working process, the structure is simple, the shock isolation performance and the energy regenerative performance of a vehicle suspension are coordinated, and the Fail-safe function is also achieved; and in addition, the size determining method is clear in step, easy to implement and obvious in optimization result, and has high practicalness.

This invention relates to a non-linear pressure bar spring device including a wrap, a top cover, pressure bars, guiding blocks and guiding grooves, in which, the spring wrap is a shell of a cylindrical non-linear pressure-bar spring device with a bottom, the top cover is a disk with a hump at the top center and parallel to the bottom of the spring wrap and inserted into the wrap , the pressure bars are distributed uniformly along the circle of the top cover, vertical to the bottom of the wrap with both ends mounted on the bottom of the wrap and the lower surface of the top cover, the guiding grooves are several grooves opened vertically and uniformly at the upper part of the inside wall of the wrap and the guiding blocks are mounted on the side wall of the top cover corresponding to the positions of the grooves and inserted in the grooves separately.