6 results about "Mechanical components" patented technology

An electric, inductively-energized, multi-bladed, controllable-pitch propeller hub is configured with an internal battery, electronic control unit and electric internal reversible hubmotor, when energized by a voltage inducted across an air gap into an annulus of receiver coils that is mounted onto said propeller hub and when said propeller hub is attached to and operated with complementary electrical, electronic and mechanical components that enable wireless command signals, together forming a novel and versatile device whose operation can provide near-instantaneous modulation of aircraft thrust, lift and drag by the action of said propeller hub to actuate precise and equal changes to the pitch of each propeller blade through a full range of useful pitch settings, both during rotation of said propeller hub and when said propeller hub is stationary, with an innovation including a coaxial driveshaft that facilitates the removal and installation of said propeller hub from a propmotor.

The invention discloses small part cleaning equipment, which belongs to the field of mechanical part cleaning, comprises a base, a high-pressure spray pipe, a high-pressure spray head and a control cabinet, and is characterized in that a waste liquid recovery pool, a liquid storage water tank, a filtering water tank, a plunger pump and a support are fixed on the base, a filter is fixed on the support, and a rotary worktable and a submersible pump are arranged in the waste liquid recovery pool; the submersible pump is connected with the filter through a liquid inlet pipe, the filter is connected with the filtering water tank through a liquid outlet pipe, the oil-water separator is installed in the filtering water tank, the filtering water tank is connected with the liquid storage water tank through a pipeline, the valve block is fixed to one side of the liquid storage water tank, and the pressure reducing valve and the overflow valve are installed on the valve block. The plunger pump is connected with the valve block through a pipeline, and the valve block is connected with the liquid storage water tank through a water inlet pipe. According to the cleaning device, cleaning liquid can be recycled, efficient and environment-friendly cleaning is conducted on small parts, the cleaning efficiency can be improved while the cleaning effect is guaranteed, and good environment friendliness is achieved.

The invention discloses an engineering machinery transfer device with the mechanical lifting function. The engineering machinery transfer device with the mechanical lifting function comprises a powermechanism, a lifting mechanism, a transfer mechanism and a mounting table; the bottom and the left side of the mounting table are fixedly connected with the power mechanism; the left side of the top of the mounting table is fixedly connected with the bottom of the transfer mechanism; and the right side of the top of the mounting table is fixedly connected with the bottom of the lifting mechanism.According to the engineering machinery transfer device with the mechanical lifting function, through the arranged lifting mechanism, a mechanical part needing to be carried is started through a firstmotor, a magnet descends to attract the mechanical part under the cooperation of a take-up wheel, a wire leading wheel and a steel wire, the magnet ascends, and a fixed column and a rotary column arerotated through a rotary rod under the cooperation of a bearing, a transfer box cover is opened, when the magnet rotates to the top of a box body through the rotary rod, the magnet descends to place the mechanical part on a containing plate in a transfer box, and the purpose of facilitating lifting in the transfer process is effectively achieved.

The invention discloses a mechanical part fuzzy reliability calculation method based on a random finite element of a super-relaxation iteration method, and aims to perform fuzzy reliability design ona mechanical part by considering the influence of fuzzy factors. The invention provides a novel calculation method for fuzzy reliability of a mechanical part based on a random finite element of a super-relaxation iteration method. According to the method, the fuzzy reliability of the complex mechanical part can be calculated; the mean value and variance of the stress borne is solved by the mechanical part by applying a random finite element of a super-relaxation iteration method; a mean value and a standard deviation of the intensity is solved; membership functions are determined; the failureprobability of the fuzzy event is caculated; and the fuzzy reliability of the strength of the mechanical part is R = 1-Pf.

The invention discloses an extrusion device for mechanical part machining, and relates to the technical field of machining. The extrusion device comprises a rack, a press-fitting assembly, a guide assembly and a clamping assembly, wherein the guide assembly is used for guiding the press-fitting assembly; the clamping assembly is used for clamping and limiting an inner sleeve and an outer sleeve of a bushing; the press-fitting assembly is used for carrying out press-fitting on the inner sleeve and the outer sleeve of the bushing on the clamping assembly; and an upper positioning assembly is mounted in the press-fitting assembly, a lower positioning assembly is mounted on the clamping assembly, and the upper positioning assembly and the lower positioning assembly are both used for positioning the multi-bushing inner sleeve. The extrusion device is reasonable in structure; the inner sleeve and the outer sleeve of the bushing are clamped and limited at the same time; the clamping assembly is simple in structure; the inner sleeve and the outer sleeve of the bushing are clamped conveniently; the extrusion device is convenient and easy to operate and firm in clamping; and the inner sleeve of the bushing is positioned and pressed, so that the situation that when the inner sleeve and the outer sleeve of the bushing are subjected to press fitting, the position deviates and the press fitting precision is affected is avoided.

The invention relates to the technical field of mechanical parts, in particular to a screw, which comprises a screw head and a screw rod, wherein an inner hole in parallel with the surface of the screw head is formed inside the screw head, and the left and right ends of the inner hole are communicated; the screw rod is made of stainless steel. The screw provided by the invention is simple in installation, can be conveniently installed without special tools, and is time-saving and labor-saving.