66results about How to "Improve common rate" patented technology

The invention discloses a drive axle for an electric vehicle or a hybrid electric vehicle. The drive axle comprises a motor stator, a differential, a driving conical gear, a damping steering shaft, a damping spring and a steering input conical gear, wherein the motor stator is fixed on a vehicle body; the differential is fixedly connected with a motor rotor; the driving conical gear is arranged at the output end of an axle shaft; the middle of the damping steering shaft is provided with a steering output conical gear; the lower part of the damping steering shaft passes through a shaft barrel;the shaft barrel is provided with a first conical gear and a second conical gear; the steering input conical gear is engaged with the steering output conical gear; a driving input conical gear is engaged with a first spline conical gear and a driving output conical gear at one end of a wheel driving shaft; and the other end of the wheel driving shaft is connected with wheels in a matching way. The drive axle has the advantages of compact structure, vehicle space saving, gear transmission among functional parts, high efficiency, long service life and convenient disassembly and maintenance.

An aging test fixture comprises a base, a power interface arranged on the base, a first batten, a second batten, a first elastic piece, a second elastic piece, and a first limit piece. The base is provided with a first pin and a second pin. The first batten is arranged on the base in a sliding way, and is provided with a first conductive contact electrically connected with the power interface in a position corresponding to the first pin. The second batten is arranged on the base in a sliding way, and is provided with a second conductive contact electrically connected with the power interface in a position corresponding to the second pin. The first elastic piece and the second elastic piece are connected to the first batten and the second batten respectively. The first limit piece is movably connected to a bottom plate, and the first limit piece can move to a preset position and drive the first conductive contact and the second conductive contact to abut on the first pin and the second pin respectively so as to realize electric conduction. By implementing the fixture provided by the embodiment of the invention, the first pin and the second pin can be prevented from deforming under stress and heat and rolling outward along the two sides of the base, and that the spacing of the first pin and the second pin complies with safety requirements is ensured.

The invention provides a waterproof opposite-edge aluminum alloy lifting mold and a method for constructing waterproof opposite edges by using the waterproof opposite-edge aluminum alloy lifting mold.The aluminum alloy lifting mold is suspended above a roof aluminum template through a supporting rod piece, the aluminum alloy lifting mold includes lifting mold beams and lifting mold aluminum templates arranged on both sides of the lifting mold beams, the supporting rod piece includes a screw rod, a lifting mold beam fixing assembly is arranged on the upper part of the screw rod, a roof aluminum template fixing assembly is arranged on the lower part of the screw rod, the lifting beam fixing assembly includes top nuts and detachable supporting plates arranged on the lower parts of the top nuts, the detachable supporting plates are arranged in the length directions of the waterproof opposite edges, the lifting mold beams are arranged on the detachable supporting plates and the two sides of the screw rod, and the lifting mold beams are fixed to the detachable supporting plates through pin bolt and pin piece assemblies; and the roof aluminum template fixing assembly includes a footing piece and a bottom nut which is arranged on the screw rod and used for clamping and fixing the roof aluminum template. According to the waterproof opposite-edge aluminum alloy lifting mold, installation and fixation are convenient, the general rate is high, the waterproof opposite edges can be poured with structural roof concrete, simultaneous pouring and construction are achieved, no constructionjoint among the waterproof opposite edges and the structural plate surface can be ensured, and the self-waterproof effect of the structure is enhanced.

The invention discloses a formative technology for a three-cylinder bent axle. In the formative design process, horizontal parting of the three-cylinder bent axle is achieved through an even core combination method, chilled iron even cores are adopted as the even cores and each comprise a chilled iron inner core and a sand layer wrapping the chilled iron inner core. The formative technology has the beneficial effects that horizontal parting of the three-cylinder bent axle can be achieved by arranging the even cores, and the production technology is simplified; cooling of connecting rod positions is accelerated by placing chilled iron in the even cores, and the strength of the even cores is improved; the defects of hole shrinkage and shrinkage porosity casting of hot spots of bent axle connecting rods in the past are basically eliminated, and the rejection rate is obviously lowered.

The invention provides a vehicle door structure and a vehicle with the same. The vehicle door structure comprises a left front door, a left rear door, a right front door and a right rear door. The left front door, the left rear door, the right front door and the right rear door have the same structure, the left front door and the right front door are symmetrically arranged, the left rear door andthe right rear door are symmetrically arranged, the left front door and the left rear door are split vehicle doors, and the right front door and the right rear door are split vehicle doors. Accordingto the vehicle door structure, the front vehicle door and the rear vehicle door are oppositely opened, the rear door is ensured to be large in tension, a space after the vehicle doors are opened is greatly optimized, passengers can get on and off the vehicle conveniently, and collision of passengers getting on and off the vehicle is avoided. Meanwhile, the vehicle door structure, the left front door, the left rear door, the right front door and the right rear door have the same structure, vehicle door exchange can be achieved, mold universality rate is increased, mold cost and production costare greatly reduced, and subsequent maintenance is facilitated.

The invention discloses a dust-removing machine used in a process of polishing an inner wall of a steel pipe. The dust-removing machine comprises a primary dust-removing device, a secondary dust-removing device, a connection device and a draught fan, wherein the primary dust-removing device comprises a first enclosure and a first dust-removing part located in the first enclosure; the secondary dust-removing device comprises a second enclosure and a second dust-removing part located in the second enclosure; the second enclosure can slide relative to the first enclosure along an axis; the connection device comprises a first connection pipe arranged on the first enclosure and a second connection pipe which is arranged on the second enclosure and is communicated with a second air inlet; the second connection pipe comprises a hollow pipe body, a first elastic plate and a second elastic plate; the first elastic plate and the second elastic plate are respectively arranged on the pipe body; an inlet end of the first connection pipe is communicated with a first air outlet; and an outlet end of the first connection pipe is inserted between the first elastic plate and the second elastic plate, so that the first connection pipe and the second connection pipe are communicated.

The invention discloses a synchronizer structure and a gearbox. The synchronizer structure is applied to a single-conical-face synchronizer or a double-conical-face synchronizer or a three-conical-face synchronizer and comprises a gear hub, a gear sleeve and two synchronizing rings symmetrically arranged on the two sides of the gear hub, wherein the gear hub is sleeved with the gear sleeve, the gear sleeve can move in the axial direction of the gear hub, each synchronizing ring comprises an outer synchronizing ring body, and the axial installation dimensions of the single-conical-face synchronizer or the double-conical-face synchronizer or the three-conical-face synchronizer are identical. By the adoption of the synchronizer structure and the gearbox, due to the fact that the axial installation dimensions of the three kinds of synchronizers are identical, the gear hub, the gear sleeve and the two outer synchronizing ring bodies all can be used universally in the three kinds of the synchronizers identical in axial installation dimension, and the universal rate of parts of the synchronizers is improved; and in this way, the different gear shifting performance demands of a user are met, the production cost is reduced, and mass production is facilitated.

The invention discloses a general NVME hard disk lighting control device. The general NVME hard disk lighting control device comprises a first sideband signal connector arranged on an uplink machine head or a PCIE-Switch board card, an uplink machine head identification module, a second sideband signal connector arranged on the NVME backboard, and the CPLD and the LED lamp are arranged on the NVMEbackboard. The input end of the first sideband signal connector is connected with the uplink machine head identification module, and the output end of the first sideband signal connector is connectedwith the second sideband signal connector; the output end of the second sideband signal connector is connected with the input end of the CPLD, and the output end of the CPLD is connected with the LEDlamp. The invention also discloses a general NVME hard disk lighting control method, which can be realized by adapting to different machine heads and different connection forms and self adapting to lighting schemes and control under different product forms.

The invention relates to a universal rubberizing cover plate jig, aims to solve the problem of poor universality of an existing jig, and provides a universal rubberizing cover plate jig which comprises a bottom plate and a cover plate, a strip-shaped placement area is arranged in the middle of the bottom plate, and the cover plate is hinged to one side of the bottom plate. When the cover plate covers the bottom plate, the cover plate covers part of the strip-shaped placing area; and the uncovered part of the strip-shaped placing area is a bonding area. The universal rubberizing cover plate jig improves the universality of the jig. And membrane pollution is reduced by improving the position of the cover plate.

The invention discloses a freezing chamber and a refrigerator with the freezing chamber, and relates to the technical field of refrigeration, the freezing chamber comprises a freezing chamber body, a freezing door body is hinged to the freezing chamber body, a freezing chamber inner container is arranged in the freezing chamber body, and a freezing door container is arranged on the inner side of the freezing door body; an outer door seal and an inner door seal are arranged at the upper edge of the freezing door liner, the inner door seal comprises a hard main body part, a soft blade is arranged on one side of the hard main body part, mounting grooves are formed in the periphery of the freezing door liner, the outer door seal is embedded in the mounting grooves, a magnetic strip is arranged in the outer door seal, and the magnetic strip is arranged in the outer door seal. Multiple layers of refrigeration pipelines are arranged in the freezer body, the heat preservation effect is improved through a double-door-seal structure, meanwhile, the universal rate of product parts is improved through the special structural design, and the storage and manufacturing cost is reduced.

The invention discloses a construction method for reducing a thickness of an aluminum formwork wall. The construction method comprises the following steps that an aluminum alloy section inlay strip equivalent to the wall unilateral thinning amount is designed according to a constructed building wall thickness modulus; the aluminum alloy section inlay strip is processed; the aluminum alloy sectioninlay strip is fixedly connected with an internal corner formwork through a connecting pressing plate; and the internal corner formwork connected with the aluminum alloy section inlay strip is correspondingly connected with a wall formwork and a floor formwork. According to the construction method, an original wall formwork, the floor formwork or the internal corner formwork is not needed to be replaced, so that the general rate of a standard formwork is high, and the production efficiency and the processing efficiency are improved; and meanwhile, a method the same as an installation method ofan existing formwork is adopted, the internal corner formwork connected with the aluminum alloy section inlay strip is correspondingly connected with the wall formwork and the floor formwork for mounting, a corner formwork at a three-internal-corner junction is replaced, the influence of replacing of the formwork on the construction progress is avoided, the construction efficiency is improved, the operating difficulty is reduced, and the labor cost is reduced.