16results about How to "Requires minimization" patented technology

The invention discloses a disc type rotating device of an automobile seat, and belongs to the technical field of automobile seats. Comprising a lower chassis; the group of lower gaskets are arranged on the upward side of the lower chassis; the rotating disc is supported on the group of lower gaskets and is provided with a rotating disc centering mechanism abdicating hole; the rotating disc centering mechanism is fixed with the lower chassis; the rotating disc driving mechanism is used for driving the rotating disc to rotate; the structure is characterized in that a gear ring plate is directly formed in the middle area of the lower chassis, a lower chassis center hole is formed in the center area of the gear ring plate, and a gear ring is formed on the wall body of the side, facing the lower chassis center hole, of the gear ring plate; the rotating disc centering mechanism is fixed to the lower chassis, a rotating disc locking and unlocking executing mechanism is arranged on the rotating disc, and a lock shaft traction connecting mechanism is arranged on the rotating disc driving mechanism. The device has the advantages of compact structure and convenience in manufacturing and assembling; the stable effect tending to be gapless when the rotating disc rotates can be fully guaranteed; the safety is embodied; the requirements for flattening and light weight can be met, and the adaptability to different vehicles is improved.

The auxiliary frame comprises an annular composite frame body and a metal connecting piece which is arranged on the frame body and used for being connected with a vehicle in an assembling mode, and the manufacturing method of the auxiliary frame comprises the steps that firstly, a foam core material is machined into a supporting template in the shape of the auxiliary frame body, and a metal insert is arranged on the supporting template; a connecting hole is formed in the metal insert; secondly, a reinforcing frame defined by fiber materials is woven outside the supporting formwork and the metal insert in a three-dimensional weaving mode; and thirdly, resin is injected into the reinforcing frame to be cured to form a composite frame body of the auxiliary frame, and the metal connecting piece is connected to the metal insert before or after resin injection. The formed auxiliary frame is obvious in weight reduction, capable of meeting the requirement for light weight, high in bearing capacity and outstanding in damage tolerance capacity and integrity, and therefore the industrial requirements for high strength, fatigue resistance, integrity and light weight of the automobile auxiliary frame are met.

The invention provides a high-strength complex-section cavity product cutting device which comprises a height adjusting mechanism, a radian adjusting mechanism, a follow-up mechanism and a cutting unit which are sequentially arranged from bottom to top. The cutting-off unit comprises a vertical cutting-off mechanism used for cutting off material belts on the two sides of the cavity product and a horizontal cutting-off mechanism used for cutting off a reinforcing rib structure in the middle of the cavity product. The invention further provides a cutting-off method which comprises the following steps: pre-punching and cutting off a process hole in advance in a material belt before rolling forming, and integrally cutting off a cavity product by adopting a regional secondary cutting-off mode after rolling forming. Follow-up continuous cutting of high-strength complex section type cavity products can be achieved on a rolling line, the cutting efficiency is high, the quality is good, the product rework rate is greatly reduced, and the service life of a cutter is remarkably prolonged; the device is flexible to use and high in universality, and can be adapted to cold-bending profiles with various different section types through replacement of the standard cutting head.

The present invention discloses a titanium alloy and aramid lightweight composite protective plate, comprising alternately distributed titanium alloy plates and aramid plates, wherein the total number of layers of the titanium alloy plates and aramid plates is 3 to 7 layers, and the outermost layer of the protective plate is a titanium alloy plate. In addition, the present invention also provides a method for preparing the titanium alloy and aramid lightweight composite protective plate, wherein the titanium alloy plates and aramid plates are coated with an adhesive and then stacked, and then cured at room temperature and high pressure to obtain a composite protective plate. The present invention adopts a multi-layer composite reinforcement method of titanium alloy and aramid, and by designing the thickness of different materials layer by layer, the advantages of the linear ultra-high strength of the aramid material and the high specific strength of the titanium alloy material are maximized in the ability to resist projectile penetration, and the surface density of the protective plate is greatly reduced.

The application relates to the technical field of composite copper foil preparation, in particular to a PET composite copper foil with high peeling resistance and oxidation resistance and a preparation method thereof. The preparation method of the PET composite copper foil with high peeling resistance and oxidation resistance comprises the following steps: PET composite copper foil preparation and PET composite copper foil composite treatment. In the application, the inert structure of a PET surface is broken through corona treatment, and a polar group is introduced; then, a reinforcing liquid containing a silane coupling agent and nano silicon dioxide sol is coated to form a polar transition layer, so that the interface bonding force and the peeling resistance of the PET and the metal layer are improved through chemical bonding and physical anchoring; then, a layer of oxidation-resistant barrier metal layer is formed by using a physical vapor deposition method; then, the PET composite copper foil is placed in a copper-containing electrolyte, and electrolysis treatment is carried out by electrifying, so that a layer of copper foil is deposited, and the PET composite copper foil is obtained; and finally, the obtained PET composite copper foil is subjected to a surface treatment process.

The utility model relates to the technical field of robots, and discloses a distance measuring device and a robot. The transmitting assembly is arranged on the fixed base, and the transmitting assembly is configured to transmit detection light. The receiving assembly is arranged on the fixed base, and the receiving assembly is configured to receive the reflected light. The rotor assembly is arranged on the rotating support and rotates synchronously with the rotating support. The first circuit board is arranged on the fixed base, a stator winding is printed on the first circuit board, the stator winding and the rotor assembly are oppositely arranged, and when the stator winding is powered on, a magnetic field is generated to drive the rotor assembly to move so as to drive the rotating support to rotate relative to the fixed base. Compared with a stator winding which is relatively large in size and is wound on the stator teeth in the prior art, the distance measuring device provided by the embodiment of the utility model has the advantages that the stator winding is printed on the first circuit board, so that the size of the stator winding is greatly reduced, the thickness of the distance measuring device in the axial direction is particularly reduced, and the requirement of miniaturization of the distance measuring device is met.

The utility model discloses a battery pack support and a vehicle, and relates to the technical field of battery pack supports, the battery pack support comprises two side frames and at least two hanging brackets, the two side frames are respectively used for being installed on the two sides of a battery shell in the length direction, and one side frame is connected with a vehicle frame through at least one hanging bracket. The utility model aims to reduce the weight of the battery pack bracket as much as possible on the premise of meeting the strength and safety performance of the battery pack bracket.

This invention relates to an installation structure for a dual-screen automotive display and a vehicle thereof. The dual-screen installation structure includes an instrument panel body, a steering support body, and a dual-screen body. The instrument panel body has a first mounting point for assembly and fixation with the steering support body. The dual-screen body has a second mounting point corresponding to the first mounting point, enabling co-location of the instrument panel body, steering support body, and dual-screen body. The dual-screen body has a third mounting point for connection with the instrument panel body. This invention also provides a vehicle including the aforementioned dual-screen installation structure. This invention solves the problems of inconvenient assembly and maintenance, high cost, and inability to meet automotive lightweighting requirements in existing dual-screen installation structures, as well as the problem that the dual-screen structure cannot fit snugly against the instrument panel, affecting the overall interior quality.

This invention relates to the field of spacecraft thermal control technology, specifically to a fiber-reinforced flexible composite substrate for deployable space radiators and its preparation method. The method first involves cryogenically treating polyimide fibers with liquid nitrogen, weaving them into a fabric, and then subjecting them to gradient heating and surface carbonization to obtain a carbonized fiber-woven reinforcement. Simultaneously, boron nitride nanosheets and carbon nanotubes are covalently linked via amide bonds and coated with polydopamine to obtain a composite thermally conductive filler, which is then dispersed in polyimide resin. Finally, the resin is impregnated onto the surface of the reinforcement and the interior of the fiber bundles, and then cured to obtain the final product. In this invention, the carbonized layer of the fiber-woven fabric forms thermally conductive channels in both the warp and weft directions, and the composite thermally conductive filler forms a thermally conductive network within the matrix. Together, they construct a dual-network thermally conductive structure, giving the substrate excellent thermal conductivity, flexibility, and lightweight properties, making it suitable for high-power deployable spacecraft radiators.

The application discloses a single-component dealcoholized sealant and a preparation method and application thereof. The single-component dealcoholized sealant comprises the following raw materials in parts by mass: 80-120 parts of alkoxyl-terminated polydimethylsiloxane; 40-70 parts of surface-modified silica powder; 10-40 parts of flame retardant; 3-12 parts of flame retardant synergist; 3-12 parts of fumed silica; 5-40 parts of plasticizer; 0.5-10 parts of crosslinking agent; 0.5-10 parts of catalyst; and 0.5-10 parts of adhesion promoter. The structural formula of the alkoxyl-terminated polydimethylsiloxane is shown as formula (I): (R1O)3SiCH2CH2[(CH3)2SiO]nSi(CH3)2CH2Si(OR2)3 n Formula (I), wherein R1 and R2 are independently selected from C1-C10 alkyl, and n is 800-2200. The sealant has good storage stability, low hardness and high elongation, low viscosity, good extrudability, no corrosion to PC, fast curing speed, low density and good flame retardancy.

This invention relates to a thermoforming process for a rear longitudinal beam. This process designs the sidewall surface corresponding to the feature surface at the overlap of the automotive sheet metal rear longitudinal beam and sill beam as an arc shape. This effectively controls the material flow direction, reduces forming friction, and improves wrinkling and cracking phenomena caused by uneven material feeding at the overlap surface. Furthermore, it does not affect the feature surface shape of the rear longitudinal beam, thus achieving a significant improvement in the quality of the corresponding part. Without altering the feature surface shape of the rear longitudinal beam, the sheet metal thickness is reduced, meeting the requirements for automotive lightweighting.

The present invention provides a wireless sensor, a wireless sensor network and an interaction method thereof. The wireless sensor comprises a receiver, a transmitter, a first antenna, a first switch module, a counting control module and a state control module, which controls the receiving and transmitting switch by counting, and the transmitter and the receiver of the wireless sensor can both work temporarily, thereby reducing power consumption; and the wireless sensor transmits and receives and transmits using one antenna, thereby reducing the size of the node, and the wireless sensor node designed in this way consumes little energy, thereby meeting the low power consumption and miniaturization requirements of the node.

The utility model provides a kind of system-level package chip of global satellite navigation, receiver and electronic equipment, can be reused in single antenna full-frequency positioning scene and double antenna three-frequency positioning directional scene, at least package has power module, clock module, GNSS receiver module, storage module and radio frequency front end module in chip, and peripheral interface is provided on chip;Power module is connected with clock module, GNSS receiver module and storage module respectively;Clock module is connected with GNSS receiver module;The input end of radio frequency front end module is connected with external single antenna or double antenna, and the output end of radio frequency front end module is connected with GNSS receiver module;GNSS receiver module is connected with storage module and peripheral interface.The utility model provides system-level package chip high integration, can satisfy the requirement of equipment to miniaturization.

The invention relates to the technical field of railway vehicles, and provides a shaft end transmission device, a wheel set and a bogie, the shaft end transmission device comprises a shaft end spline, a flexible plate and a connecting plate, the shaft end spline is provided with a connecting hole, and a mandrel is inserted into the connecting hole. The flexible plate shaft end spline is connected with the flexible plate through a first connecting piece. One end of the connecting plate is connected with the flexible plate through a second connecting piece, and the other end is connected with the wheel through a third connecting piece. By means of the mode, the end of the mandrel is connected with the shaft end spline and used for transmitting power to wheels, the mandrel is not directly connected with the bogie, force of the bogie and a vehicle body is not directly applied to the mandrel, axial force and pressure borne by the mandrel are greatly reduced, the diameter of the mandrel can be smaller under the condition that the service life of the mandrel is not affected, and the service life of the mandrel is prolonged. And the requirement of light weight is met.

The application provides a manufacturing method of a low-altitude aircraft landing gear cover plate, the landing gear cover plate comprising a cover plate body and an edge connecting part, the cover plate body is designed in a curved surface structure, the edge connecting part is distributed in a U shape along the left side, the right side and the bottom of the cover plate body, is smoothly and transitionally connected with the cover plate body and is in a plate structure, the edge is rounded, mounting holes are formed in the edge connecting part, mounting holes are also formed in the top of the cover plate body near the outer edge, carbon fiber SMC prepreg is used as a raw material for preparation during manufacturing of the landing gear cover plate, a mold is designed (the actual size of the mold cavity is 0.5%-1.0% larger than the actual size of the landing gear cover plate) and a process is controlled (precise control is performed on a forming process, temperature fluctuation is less than or equal to ±1℃, pressure fluctuation is less than or equal to ±0.1MPa, curing time error is less than or equal to ±5s, and a shaping tool cooling mode is adopted), so that the prepared landing gear cover plate is stable in size, easy to assemble and capable of guaranteeing the assembly quality of the low-altitude aircraft and flight safety.

The present invention provides a wireless sensor, a wireless sensor network and an interaction method thereof. The wireless sensor provided by the embodiment of the invention comprises a receiver, a transmitter, a first antenna, a first switch module, a counting control module and a state control module. The wireless sensor controls the transmitting and receiving switch by a counting method, so that the transmitting and receiving share one antenna, thereby reducing the size of the node. The wireless sensor node designed in this way consumes little energy and meets the low power consumption and miniaturization requirements of the node.