36results about How to "Guaranteed spread" patented technology

The invention discloses a method and a special tool for assembling a back door and hinges. The method comprises the following steps of: (1) placing the back door in the special tool, wherein the special tool comprises a base, the base is provided with a supporting and locating device and a compressing device, the supporting and locating device is used for supporting and locating the back door, the compressing device is used for fixing the back door at the supporting and locating device, and hinge locating blocks are arranged at the parts, corresponding to positions of the back door for mounting the hinges, of the compressing devices; (2) supporting and locating the back door by utilizing the supporting and locating device; (3) compressing and fixing the back door at the supporting and locating device by utilizing the compressing device; and (4) putting the hinges in the hinge locating blocks to be located and fixing the hinges on the back door. The method and the special tool for assembling the back door and the hinges are suitable for assembly of the back door.

The invention discloses self-positioning stepped twisted waveguide and a vacuum brazing process thereof. The self-positioning stepped twisted waveguide comprises a cover plate (1), a bottom plate (2) and a cavity (3) installed between the cover plate (1) and the bottom plate (2). The cavity (3) is formed by a plurality of assembling plates which are mutually buckled, each assembling plate is provided with a transmission port, the transmission ports are obliquely arranged in the assembling plates, and inclination angles increase progressively and sequentially or decrease progressively and sequentially; the outer side of the port of the cover plate (1) and the outer side of the port of the bottom plate (2) are respectively provided with a flange plate (4), one side of the frame wall of each assembling plate is provided with a groove (6), and the other side of the frame wall of each assembling plate is provided with a boss (7) matched with the corresponding groove (6). According to the self-positioning stepped twisted waveguide, the assembling plates which are mutually buckled are adopted and are provided with the transmission ports at different inclination angles so that the cavity of the twisted waveguide is formed; the transmission ports of the assembling plates are combined together to form an inner cavity of the cavity of the twisted waveguide so that the stepped inner cavity can be formed; because the cavity is divided into multiple assembling plates, rotating angles of the twisted waveguide can be easily controlled.

The invention relates to a pixel structure and a manufacturing method thereof. The pixel structure comprises a substrate; A pixel bounding layer laminated on the substrate; The pixel bounding layer comprises a first pixel bank and a second pixel bank, and a plurality of pixel cavities surrounded by the first pixel bank and the second pixel bank and corresponding to each sub-pixel one by one; The pixel cavities on both sides of the first pixel bank are used for setting sub-pixels with the same color, and the pixel cavities on both sides of the second pixel bank are used for setting sub-pixels with different colors; The surface of the first pixel bank is provided with a first lipophilic pixel bounding layer. The pixel structure can realize high-resolution printing, avoid the leakage currentbetween the functional layers, and optimize the display effect.

The invention discloses solvent-free graphene oxide-glass flake anticorrosive coating. The solvent-free graphene oxide-glass flake anticorrosive coating is prepared from an A component and a B component, wherein the A component is prepared from glass flakes modified by graphene oxide, an epoxy resin, an aqueous polyurethane resin, castor oil, reactive diluent, aluminum tripolyphosphate, talc, antifoaming agent and titanium dioxide; the B component is prepared from an epoxy curing agent H633, when used, the A component and the B component are uniformly mixed with the mass ratio of 1 to (0.2 to0.25). According to the solvent-free graphene oxide-glass flake anticorrosive coating provided by the invention, through the glass flakes modified by graphene oxide, on the one hand, the conditions that a graphene oxide sheet layer is evenly spread on the surface of the glass flakes and fills pores at joints between the glass flakes and flakes in a spreading state are realized, thereby improving ashielding ability of the glass flakes, and on the other hand, low temperature curing, and enhancement of the adhesion of the glass flakes in the coating are realized. The solvent-free graphene oxide-glass flake anticorrosive coating has strong adhesion, impact resistance and better salt tolerance.

The invention discloses liquid polishing wax for stainless steel as well as a preparation method and application of the liquid polishing wax, wherein the liquid polishing wax comprises the raw materials: an abrasive, a lubricant, an auxiliary agent and water, and the abrasive comprises cerium oxide with the particle size of 10-50 nm, alpha-aluminum oxide with the particle size of 150-300 nm and zirconium oxide with the particle size of 0.5-0.9 [mu]m in a feeding mass ratio of 1:(0.4-1.5):(0.3-1); the lubricant is composed of wax and at least one selected from vegetable oil, fatty acid and fatty acid ester, wherein the feeding mass ratio of the wax to the at least one selected from vegetable oil, fatty acid and fatty acid ester is 1:(0.25-1.50); the auxiliary agent comprises a surfactant, a wetting dispersant and a thickening agent in a feeding mass ratio of (3-10):(1-2.5):1. The preparation comprises the steps: mixing the components in the lubricant, and sequentially adding the auxiliary agent and water; and adding the abrasive, and stirring to obtain the product. The invention also discloses an application of the liquid polishing wax in polishing stainless steel. The liquid polishing wax has the advantages of being stable in system, good in compatibility with critical surface tension of a stainless steel object, easy to clean after workpiece polishing and the like.

The invention discloses an assembling positioning device for a car oil filler cap and belongs to the field of motor vehicle assembling. The assembling positioning device comprises a first positioning body and a second positioning body fixedly connected with the first positioning body. The first positioning body is positioned on a side wall outer plate at a car oil filler and used for positioning the assembling positioning device in the left-right direction, the front-back direction and the up-down direction of a car. The second positioning body is connected with a car oil filler cap assembly and used for positioning the car oil filler cap assembly in the front-back direction of the car. The assembling positioning device for the car oil filler cap comprises a positioning system mounted on a car body and an oil filler cap assembling positioning system, so that the car oil filler cap assembly is accurately positioned on the car body, assembling is completed by fastening bolts at a time, and time and labor are saved; meanwhile, design of car body parts and design of the oil filler cap assembly do not need any change, and therefore the assembling positioning device can be applied to both developed cars in production and cars in development and design.

The invention discloses a vehicle door, a manufacturing method of the vehicle door, a reinforcing structural body as well as a vehicle using the vehicle door. The vehicle door comprises an inner plate, an outer plate and the reinforcing structural body; the reinforcing structural body comprises a reinforcing main body part fixed in the internal area of a side beam of the inner plate and a bonding part; the reinforcing main body part is made of a non-metallic material; and the outer side surface of the bonding part is bonded between the inner side surface of the reinforcing main body part and the outer side surface of the inner plate. The manufacturing method of the vehicle door comprises the steps as follows: S100, the outer side surface of the bonding part is mounted on the inner side surface of the reinforcing main body part, and the reinforcing main body part is fixed in the internal area of the side beam of the inner plate; S101, the outer plate is fixed on the inner plate, and a semi-finished vehicle door is formed; S102, electrophoresis treatment is performed on the semi-finished vehicle door; S103, the semi-finished vehicle door subjected to electrophoresis treatment is cooled, and the vehicle door is manufactured. The overall weight of the vehicle door is reduced, so that the oil consumption is reduced, the energy saving and emission reduction effects are realized, and the production cost of the vehicle door is reduced.

The invention discloses a vacuum brazing method of a double-path rotating joint. The vacuum brazing method comprises the flowing steps of S1, processing of an upper cover plate; S2, processing of a middle cover plate; S3, processing of a lower cover plate; S4, pre-welding surface treating of the upper cover plate, the middle cover plate and the lower cover plate; S5, making of brazed filler metal by laser cutting, specifically, the thickness specification chosen for the brazed filler metal is 0.05 mm, and the overall dimension of the brazed filler metal is 2-3 mm bigger than a contact surface of an adjacent spare part; S6, pre-welding assembling; and S7, vacuum brazing, specifically, a half-finished double-path rotating joint is put into a vacuum aluminum brazing furnace, a work fixture is used for assembling the half-finished double-path rotating joint, a vacuum brazing temperature process curve is set, the vacuum aluminum brazing furnace is coarsely vacuumized and then highly vacuumized, the half-finished double-path rotating joint and the brazed filler metal are heated according to the set vacuum brazing temperature process curve, heat is preserved for 15-20 min under the temperature of 615 DEG C, and after heat preservation is completed, cooling along with the furnace is conducted, so that vacuum brazing is realized. The vacuum brazing method of the double-path rotating joint has the beneficial effects of simplifying production processes, enhancing production efficiency, reducing welding torsion, and enhancing size precision and corrosion performance.

The invention discloses a sowing device and operation equipment, and relates to the technical field of sowing. The sowing device comprises a base frame, a material box and a sowing mechanism, the material box is arranged on the base frame and used for storing materials. The sowing mechanism comprises a shell and a sowing piece, the shell is rotatably arranged on the base frame so as to be folded or unfolded relative to the base frame, the shell is communicated with the material box, the sowing piece is arranged on the shell, an outlet is formed in the position, opposite to the sowing piece, of the shell, and the sowing piece is used for sowing materials output from the outlet. According to the sowing device, the shell of the sowing mechanism can rotate relative to the base frame, so that when the shell is unfolded relative to the base frame, the sowing width of the sowing mechanism can be guaranteed, the sowing efficiency and the sowing quality are guaranteed, when the shell is folded relative to the base frame, the size of the sowing mechanism can be reduced, and the sowing mechanism is more convenient and reliable to transport and store.

The invention discloses a water body ecological self-organizing repair system guided by photocatalysis in advance and a using method thereof. The water body ecological self-organizing repair system guided by photocatalysis in advance comprises at least two pile bodies, a photocatalysis net and a biological rope, the photocatalysis net is laid 10-20 cm below the water surface; the two ends of the photocatalysis net slidably sleeve the pile bodies through connecting ropes; a plurality of supporting rods crossing the net bodies are arranged at intervals on the photocatalysis net; rod sleeves areseparately arranged at two ends of the supporting rods; floating balls are arranged above the rod sleeves; biological ropes are arranged below the rod sleeves; balancing weights are arranged at the free ends of the biological ropes; and a composite of graphene, a visible light catalyst and a photosensitive material is loaded on the photocatalysis net. The using method comprises the steps of waterarea survey, net body design and assembly, net body laying, system operation and maintenance and water quality monitoring. The water body ecological self-organizing repair system guided by photocatalysis in advance enables aquatic organisms to be connected through food webs and adapt to the water environment, moving from chaos to order is achieved, and through feedback mechanism to iterate evolution and self-regulation, self-organization, self-maintenance and self-repair of aquatic ecosystems are achieved.

The invention relates to a novel lock structure for a front engine compartment storage box of an electric automobile. The lock structure involves a lock base, a rack mechanism and a lock operating handle, wherein the rack mechanism slides horizontally and longitudinally along the lock base, the lock operating handle is mounted on the rack mechanism, a spring I is connected to the rear side of therack mechanism, the other end of the spring I is connected with the lock base, a gear I and a gear II are arranged on the left side and the right side of the rack mechanism respectively and connectedwith racks at the left end and the right end of the rack mechanism in a meshing mode respectively, a lock bolt I is connected to the gear I, a lock bolt II is connected to the gear II, the lock bolt Iand the lock bolt II slide horizontally and transversely along the lock base and are both connected with springs II, the springs II are connected to the lock bolt I and the lock bolt II, and the other ends of the springs II are connected with the lock base. According to the lock structure, the lock operation handle can be hidden, and meanwhile, the size in the height direction is smaller, so thatthe defect that a traditional lock mechanism with a lock handle overturning around a shaft occupies a large storage space is overcome.

The invention relates to the technical field of fusion welding of dissimilar materials, in particular to a welding method for butt joint of T2 red copper and S32168 stainless steel pipes. The method comprises the following steps: (1) carrying out pretreatment; (2) carrying out flaring and butting to form a welding joint; (3) preheating the welding joint; and (4) uniformly heating the welding jointto a brazing temperature, and adding brazing filler metal containing Ag, Cu, Ni and Li until a brazing seam is filled to form a welding seam. The method has the advantages of being high in operationreliability and high in welding yield, and the purpose of high-quality and efficient connection between the T2 red copper pipe and the S32168 stainless steel pipe can be realized easily, convenientlyand rapidly.

The invention relates to a lubricating liquid for a tire dynamic balance test, and a preparation method thereof, and belongs to the technical field of lubricating materials. The lubricating liquid forthe tire dynamic balance test is prepared from, by weight, 1-3% of a water-soluble high-molecular polymer, 1-2% of a thickener, 1-2% of a surfactant, 0.3-0.5% of a bactericide, 1-3% of a leveling agent, 1-3% of a wetting agent, 0.03-0.05% of an antioxidant, and the balance of deionized water. The problems of poor lubricating property, heavy film forming or white trace after drying and high imported product cost of existing domestic lubricating liquids are solved in the invention. The lubricating liquid is applied to dynamic balance detection of tires, especially radial tire products, can playa good role in lubrication, can greatly reduce the misjudgment rate caused by lubrication, particularly, cannot form a transparent film on the surfaces of the tires after being dried, cannot leave white traces, does not influence the appearance quality of the tires, and is simple in preparation process.

The hidden type outward-opening handle structure comprises a vehicle door and an outward-opening handle connected to the vehicle door, a hidden groove capable of containing the outward-opening handle is formed in the vehicle door, one end of the outward-opening handle is an operation part, and the outward-opening handle can be driven to move from a hidden position to an extending position by pushing the operation part towards the outside of the vehicle; the hidden groove is defined by a hidden groove bottom wall and a hidden groove side wall surrounding the periphery of the hidden groove bottom wall. When the outward-opening handle is located at the hidden position, the outward-opening handle is contained in the hidden groove, an operation space is formed between the operation part and the bottom wall of the hidden groove, and an operation opening allowing fingers to stretch into the operation space is formed between the operation part and the side wall of the hidden groove. The problems that an existing hidden outward-opening handle structure is inconvenient to operate, incoherent in action and large in arrangement space requirement are solved, and the operation difficulty of the outward-opening handle is reduced by arranging the operation opening and the operation space.

The invention discloses self-positioning stepped twisted waveguide and a vacuum brazing process thereof. The self-positioning stepped twisted waveguide comprises a cover plate (1), a bottom plate (2) and a cavity (3) installed between the cover plate (1) and the bottom plate (2). The cavity (3) is formed by a plurality of assembling plates which are mutually buckled, each assembling plate is provided with a transmission port, the transmission ports are obliquely arranged in the assembling plates, and inclination angles increase progressively and sequentially or decrease progressively and sequentially; the outer side of the port of the cover plate (1) and the outer side of the port of the bottom plate (2) are respectively provided with a flange plate (4), one side of the frame wall of each assembling plate is provided with a groove (6), and the other side of the frame wall of each assembling plate is provided with a boss (7) matched with the corresponding groove (6). According to the self-positioning stepped twisted waveguide, the assembling plates which are mutually buckled are adopted and are provided with the transmission ports at different inclination angles so that the cavity of the twisted waveguide is formed; the transmission ports of the assembling plates are combined together to form an inner cavity of the cavity of the twisted waveguide so that the stepped inner cavity can be formed; because the cavity is divided into multiple assembling plates, rotating angles of the twisted waveguide can be easily controlled.

The invention relates to a high-precision waveguide power divider and a processing method thereof. The high-precision waveguide power divider is formed by subjecting an upper chamber and a lower chamber to vacuum soldering; a solder pad is made by laser cutting; a power divider chamber formed includes a main chamber and an auxiliary chamber. The high-precision waveguide power divider is characterized in that a welding face of the upper chamber is provided with a groove, the lower chamber is correspondingly provided with a shoulder, the upper chamber and the lower chamber are positioned duringwelding through the combination of the groove and the shoulder, the main chamber and auxiliary chamber of the lower chamber are integrated separately to main flange half plate I and auxiliary flange half plate II; after the upper chamber and the lower chamber are welded together, the main flange half plate I and a main flange half plate II form a main flange plate; the auxiliary flange half plateI and an auxiliary flange half plate II form an auxiliary flange plate.

The invention relates to a pixel structure and a manufacturing method thereof. The pixel structure includes: a substrate; a pixel definition layer laminated on the substrate; the pixel definition layer includes a first pixel bank and a second pixel bank, and the first pixel bank and the second pixel bank A plurality of pixel cavities corresponding to each sub-pixel are enclosed; the pixel cavities on both sides of the first pixel bank are used to set sub-pixels with the same color, and the pixel cavities on both sides of the second pixel bank are used to set Sub-pixels with different colors; the surface of the first pixel bank is provided with a first lyophilic pixel defining layer. The pixel structure can avoid the occurrence of leakage current between functional layers while realizing high-resolution printing, and optimize the display effect.

The invention discloses a fender and upper decorating part connecting support. The connecting support is characterized by comprising a support body, the support body is provided with a positioning pin and a mounting hole, the positioning pin is positioned in a positioning hole in a fender connecting face, and a bolt penetrates through the mounting hole to be connected to the fender connecting face; and the support body is further provided with an installation buckle used for installing the upper decorating part in a clamped mode. The fender and upper decorating part connecting support is simple in structure, convenient to install, reliable in positioning, small in arrangement space, capable of guaranteeing the gap and the surface difference between appearance matching parts and improving the appearance matching delicacy, high in practicability and good in application prospect.

The invention discloses a rapid assembling and limiting structure of a decorative plate. The rapid assembling and limiting structure comprises an outer plate and a skeleton. The outer plate and the skeleton correspond to each other in shape. The skeleton is provided with two sets of oppositely-arranged sunken table hooks and a set of T-shaped steps. The outer plate is provided with two sets of protruding hooks matched with the sunken table hooks, and T-shaped grooves matched with the T-shaped steps. Up-down limiting of the outer plate and the skeleton in the mounting direction is ensured through matching of the sunken table hooks and the protruding hooks. Left-right limiting of the outer plate and the skeleton in the mounting direction is ensured through matching of the T-shaped steps andthe T-shaped grooves. The rapid assembling and limiting structure is simple in structure, assembly is achieved by relying on the self hook structure, it is ensured that connecting technologies such asscrews, glue or welding do not need to be used in the assembling process, and disassembly of the outer plate and the skeleton is facilitated.

The invention discloses an assembly method of a vehicle bumper support, a support body and a fixing pin. The support body comprises a top base platform, limiting blocks, a pin hole, an elastic pin clamping block and a clamping head. The fixing pin comprises a pin body, a pin end, a pin hard cover and a pin soft cover, wherein the lower edge of the pin body is provided with a transitional small bevel, a lower inclined face, a clamping connection area, a pin ridge and a sliding bevel; the end of the pin ridge is connected with the lower end of the pin; a directional rotary table is arranged on the joint of the pin body and the pin end. Compared with the prior art, the fixing pin is half inserted in the support body to be assembled into an assembly product loosely for a client. Later assembly is very easy and orderly for the client, and the gap and the surface difference between a vehicle body and a bumper are guaranteed. The support body and the fixing pin are firm in fixation and easy to detach. The vehicle bumper support and the fixing pin can be applied to vehicles in different types, and the application range is widened.

The invention discloses solvent-free graphene oxide-glass flake anticorrosive coating. The solvent-free graphene oxide-glass flake anticorrosive coating is prepared from an A component and a B component, wherein the A component is prepared from glass flakes modified by graphene oxide, an epoxy resin, an aqueous polyurethane resin, castor oil, reactive diluent, aluminum tripolyphosphate, talc, antifoaming agent and titanium dioxide; the B component is prepared from an epoxy curing agent H633, when used, the A component and the B component are uniformly mixed with the mass ratio of 1 to (0.2 to0.25). According to the solvent-free graphene oxide-glass flake anticorrosive coating provided by the invention, through the glass flakes modified by graphene oxide, on the one hand, the conditions that a graphene oxide sheet layer is evenly spread on the surface of the glass flakes and fills pores at joints between the glass flakes and flakes in a spreading state are realized, thereby improving ashielding ability of the glass flakes, and on the other hand, low temperature curing, and enhancement of the adhesion of the glass flakes in the coating are realized. The solvent-free graphene oxide-glass flake anticorrosive coating has strong adhesion, impact resistance and better salt tolerance.

The present disclosure relates to a rail vehicle and a method for installing a head cover of a driver's cab. The rail vehicle includes a driver's cab head cover and a car body, the car body includes a car body body, a car body annular end plate arranged at the front end of the car body body, and a car body bottom plate arranged at the lower end of the car body body, the The bottom plate of the car body protrudes forward from the annular end plate of the car body for insertion into the interior of the driver's cab head cover, and the rail vehicle also includes a first mounting bracket arranged on the driver's cab head cover, arranged on the The second mounting bracket of the annular end plate of the vehicle body, the front end of the annular end plate of the vehicle body is bonded to the rear end of the driver's cab hood, and the first mounting bracket is supported and bonded to the vehicle body. On the body floor, the upper end of the driver's cab hood is supported and glued on the second mounting bracket. The rail vehicle provided by the present disclosure has simple structure and light weight. Moreover, in the rail vehicle provided by the present disclosure, the driver's cab head cover and the vehicle body are conveniently installed and have high connection reliability.

The invention discloses a trunk cover assembly tool, which belongs to the field of automobile trunk cover assembly. The assembly tool includes: a first set of positioning system and a second set of positioning system, which are used for positioning and assembling the trunk lid assembly with hinges on the vehicle body. Through the trunk lid assembly tool including the first positioning system and the second positioning system, the hinged trunk lid assembly can be accurately positioned on the body, and the trunk lid can be quickly mounted on the body by installing bolts and hinges. , Accurate self-positioning assembly. Use the trunk lid assembly tool to directly ensure the gap and surface difference between the trunk lid and the side wall, and at the same time indirectly ensure the gap between the trunk lid and the taillight after installation. It solves the problems of difficult operation, long assembly time and low work efficiency during the assembly process of the trunk lid; the trunk lid assembly tool has been put into use in automobile production plants, and the assembly is simple and fast, which effectively reduces the production cost and labor cost.

The invention aims to provide an automobile lamp mounting foot structure capable of ensuring the clearance and the surface difference between a lamp and an automobile body metal plate as well as between the lamp and peripheral fitting parts. The automobile lamp mounting foot structure comprises a lamp shell, mounting feet are arranged at the connecting position of the lamp shell and the automobile body metal plate, and the mounting feet are detachably connected with the lamp shell. Threaded holes are formed in the mounting feet, and bolts penetrate through the threaded holes to fixedly connect the mounting feet with the automobile body metal plate. According to the scheme, the mounting feet and the lamp shell are manufactured into separated parts, injection molding is independently carried out, the process is simple, the deformation of the two parts is small, then the matching gap and surface difference between the lamp and the automobile body metal plate and between the lamp and peripheral matching parts are guaranteed, and even if the deformation of the lamp shell is large, the lamp shell can be conveniently assembled and disassembled by adjusting the mounting feet, and adjustment, installation and matching are achieved under the condition that the shell is not changed.

The invention discloses a liquid polishing wax for stainless steel and its preparation method and application. The raw materials include abrasives, lubricants, additives and water, and the abrasives include a particle size of 10-1 with a mass ratio of 1:0.4-1.5:0.3-1. 50nm of cerium oxide, 150-300nm of α-alumina and 0.5-0.9μm of zirconia, the lubricant is composed of wax with a mass ratio of 1:0.25-1.50 and at least one selected from vegetable oil, fatty acid and fatty acid ester A composition; additives include surfactants, wetting and dispersing agents and thickeners with a mass ratio of 3-10:1-2.5:1; preparation: mix the ingredients in the lubricant and add additives and water in sequence Add abrasives and stir to make it; and the application of the above-mentioned liquid polishing wax in polishing stainless steel; the liquid polishing wax has the advantages of stable system, good compatibility with the critical surface tension of stainless steel objects, and easy cleaning of workpieces after polishing.

The invention discloses solvent-free graphene-glass flake anticorrosive coating. The solvent-free graphene-glass flake anticorrosive coating is prepared from a component A and a component B, wherein the component A comprises graphene-modifying glass flakes, epoxy resin, an active diluting agent, aluminum triphosphate, talcum powder, a defoaming agent and titanium dioxide; and the component B is anepoxy curing agent H633, and when in use, the component A and the component B are uniformly mixed in a weight ratio of 1: (0.2 to 0.25). By virtue of the graphene modifying glass flakes, the grapheneflake layer can be uniformly laid on the surface of the glass flake and fills a gap on the junction between the glass flake and the flake, so that the shielding capability of the glass flakes can beeffectively improved. The solvent-free-glass flake anticorrosive coating of the invention comprises fewer glass flakes, but has high adhesion force, can resist the impact and is better in salt resistance.