84results about How to "No risk of shedding" patented technology

The invention discloses a stator permanent magnet type field modulation motor. The motor comprises a housing, a stator, an air gap, a rotor and a rotating shaft from outside to inside. The housing, the stator, the air gap, the rotor and the rotating shaft are coaxially arranged. The stator is fixed in the housing through a dovetail groove. The air gap is arranged between the stator and the rotor. The rotor is fixed outside the rotating shaft. The stator comprises a plurality of stator iron cores which are arranged at equal intervals along the circumference, stator permanent magnets embedded between adjacent stator iron cores, stator teeth extending out of the inner circumferences of the stator iron cores, and multiphase symmetric armature windings embedded between adjacent stator teeth. The rotor comprises an annular rotor iron core, and a plurality of rotor salient poles extending out of the outer peripheries of the rotor iron cores. According to the invention, the armature windings and the permanent magnets are arranged on the stator side; the air-gap magnetic permeance change caused by the rotor salient pole is utilized to modulate the stator magnetic field, so as to achieve electromechanical energy conversion; and the stator permanent magnet type field modulation motor is characterized in that the rotor structure is simple, the mechanical reliability is high, the heat radiation of the permanent magnets is easy, and the processing and manufacturing is convenient.

The invention relates to a foamed ceramic compound wallboard which comprises an outer panel and an inner main board. The outer panel is a foamed ceramic plate, and the outer side of the outer panel is provided with an outer veneer. The inner main board is a foamed ceramic board or an autoclaved aerated concrete board or a calcium silicate board or a cement fiber board or a gypsum plasterboard, and the inner side of the inner main board is provided with an inner veneer. The outer panel and the inner main board are connected and fixed through a support assembly, and through the support assembly, a cavity is formed between the outer panel and the inner main board. The interior of the cavity is coated with rigid foam polyurethane. According to the technical scheme, the integrated wallboard meets the requirements of a building external wall for the required strength and impact resistance, has the characteristics of water prevention, seepage prevention, heat preservation, good weather resistance and low comprehensive cost, and is combined with a decorative layer.

The invention relates to a fabricated self-insulation single face laminated shearing force wall board and a casting method thereof. The casting method includes the steps that a laminated shearing force wall rebar framework and a basalt fiber reinforced polymer (BFRP) rib mesh piece in an outer wythe precast wall board are correspondingly bonded and manufactured, and insulation connecting parts arefixedly bonded on the rebar framework; and the rebar framework is placed on a protective layer cushion block of a casting framework platform, inner wythe wall board concrete is cast, the inner wytheprecast wall board after the inner wythe wall board concrete is cured to design strength is overturned by 180 degrees and moves to the upper part of another casting framework platform, the BFRP rib mesh piece is placed on a protective layer cushion block of another casting framework platform, outer wythe foam concrete is casted, the insulation connecting parts are pressed into the outer wythe concrete before initial set of the outer wythe foam concrete, and formwork stripping is conducted when the strength is reached. According to the fabricated self-insulation single face laminated shearing force wall board and the casting method thereof, a BFRP is treated as a bar material of the built-in mesh piece in the outer wythe wall board and a material of the connecting parts, the good thermal insulation performance of outer wythe foam concrete boards can be guaranteed, and stress requirements of the laminated wall board can also be met.

The invention discloses a pre-twisted aviation alerting ball. The pre-twisted aviation alerting ball comprises a ball body, a through hole is formed in the ball body, a cable penetrates through the ball body through the through hole, and a protection sleeve is arranged inside the through hole. The pre-twisted aviation alerting ball is characterized in that the ball body is fixed to the cable through a pre-twisted wire amour rod. The elasticity modulus is large, the pre-twisted aviation alerting ball can provide sufficient holding force and is not prone to deforming after installing, and the ball body can be well fixed.

The invention provides an antibacterial coating. The antibacterial coating comprises a zwitterionic polymer with a structure shown in a formula (I) or a formula (II). The zwitterionic polymer designedby the invention can conform to the development process of bacteria, a quaternary ammonium salt group with positive electricity and a phosphate radical group with negative electricity exist on the zwitterionic polymer to form a zwitterionic surface, and when the surface of a material is infected by bacteria, the surface of the material is an anti-adhesion surface initially, so that the function of bacterial adhesion resistance is achieved. Once phosphate radicals on the surface are easily released by bacterial enzymes generated by metabolism of bacteria growth and propagation, the surface isimmediately converted into a cationic sterilization surface. The construction of the surface not only effectively prevents the initial adhesion of bacteria, but also has good biocompatibility to organisms, and more importantly, when the initial defensiveness is broken through, the surface can be converted into an excellent sterilization function. The preparation process is simpler, the equipment requirement is low, the operation is easy, and the feasibility is high.

The invention discloses a lead overhead apparatus, and aims to overcome the shortcomings that only one wire clamp can be assembled or disassembled in one time in an electrified operation lead lap joint operation and it is not easy to determine the distance between adjacent two wire clamps, and the shortcomings of inconvenient assembling and disassembling of the wire clamp, high labor intensity, time consumption and labor consumption in the lead overhead operation, poor lead locking effect and risk of easy falling off. The lead overhead apparatus comprises a fixed clamping plate and a push clamping plate; the fixed clamping plate is connected with a mounting base; the mounting base is rotationally connected with a pressing base; the pressing base is connected with a locking rod; the end part of the locking rod is rotationally connected with a handle; eccentric locking plates are arranged at the connecting end between the handle and the locking rod; each eccentric locking plate tightly props against the fixed clamping plate; a locking clamping groove is formed in the pressing base; a plurality of pressing plates are arranged in the positions, opposite to the locking clamping groove, of the fixed clamping plate; a lead is mounted between the pressing plates and the locking clamping groove; a positioning and clamping groove used for mounting and clamping a wire clamp is formed between the push clamping plate and the fixed clamping plate and on each of the two sides of the pressing base; the wire clamp is mounted in each positioning and clamping groove; and the wire clamp is connected with the lead.

The invention discloses a method for preparing a zinc oxide-doped titanium dioxide nanotube on a pure titanium surface, and belongs to the technical field of material surface modification. The method comprises the following steps: a pretreated pure titanium sample is put on a sample table of magnetron sputtering equipment, and a titanium zinc alloy target is placed opposite to the sample; after the vacuumizing is performed, argon is fed in a vacuum chamber, certain voltage is applied to the alloy target and the sample, and titanium and zinc elements are deposited on the pure titanium surface to form a titanium zinc composite film layer under the effect of plasma bombardment; and then, the anodic oxidation treatment is performed for the composite film layer to prepare the zinc oxide-doped titanium dioxide nanotube. The nanotube, prepared by the method, has excellent infection resistance and osseointegration capacity.

The invention relates to the field of ceramic and discloses a ceramic surface pattern machining method, ceramic and an electronic equipment shell. The method comprises the steps that a protecting filmis attached to the surface of a ceramic workpiece, and performance parameters of the protecting film include the thickness being 80+/-5 micrometers, viscous force being 300 g/25 mm, the tensile strength being larger than or equal to 55 MPa, and the hot-shrinkage rate being smaller than or equal to 25%; on the to-be-machined face, laser cutting operation is carried out according to a preset cutting path, the preset cutting path is a boundary of a pattern area and a non-pattern area, and the cutting depth is no smaller than the thickness of the protecting film; the protecting film covering thepreset pattern area is removed; the to-be-machined face is subjected to sand blasting treatment until the preset pattern area is formed into a sand face with the preset roughness; and the remaining protecting film is removed. According to the method, the protecting film applied to the ceramic workpiece is designed and manufactured according to the special performance parameters, meanwhile, the laser cutting and sand blasting technology is utilized, pattern manufacturing of high-hardness ceramic surfaces is achieved, and higher machining precision and machining quality are achieved.

The invention belongs to the technical field of deicing of wind driven generator blades, and relates to wind driven generator blade deicing equipment and a wind driven generator blade deicing method.The wind driven generator blade deicing equipment comprises deicing equipment body, the deicing equipment body is used for being detachably connected with a wind driven generator blade, the deicing equipment body is provided with a first-class mechanical deicing head and a second-class mechanical deicing head, the first-class mechanical deicing head and the second-class mechanical deicing head areused for being arranged outside the windward side and the leeward side of the blade correspondingly, the first-class mechanical deicing head is connected with the output end of the first-class deicing driving device, the second-class mechanical deicing head is connected with the output end of the second-class deicing driving device, and the fixing end of the first-class deicing device and the fixing end of the second-class deicing driving device are oppositely and fixedly arranged. According to the wind driven generator blade deicing equipment and the wind driven generator blade deicing method, the technical problem that in the prior art, a fixing deicing equipment body needs to be additionally arranged inside the blade, and consequently an internal structure of the blade is caused to becomplex is solved, and the technical effect of simplifying the internal structure of the blade of the wind driven generator is achieved.

The invention relates to a waterproof lettering zipper and a manufacturing method thereof. The problem that lettering patterns on waterproof zippers in the prior art are easy to fall off is solved. The invention discloses the waterproof lettering zipper. The zipper comprises a zipper cloth tape and zipper teeth, and is characterized in that a waterproof lettering film is arranged on the zipper cloth tape; the waterproof lettering film comprises a first transparent film, a font pattern layer and a second film; the first transparent film is arranged on the zipper cloth tape in a hot-melt mode, the font pattern layer is printed on the transparent film layer, and the font pattern layer is coated with the second film. According to the waterproof lettering zipper, the font pattern layer on the waterproof lettering film is printed between the first transparent film and the second film, lettering patterns cannot be touched during drying washing and wear resistance tests, the lettering patterns are free of the fall-off risk, and production test requirements of the garment industry are met.

The invention discloses an ultra-thin asphalt wearing layer structure. The structure comprises an ultra-thin asphalt wearing layer, a bonding layer and a pavement from the upper part to the lower partin sequence, wherein the bonding layer is arranged in a gap at the lower part of the ultra-thin asphalt wearing layer in an embedded extruding manner; the thickness of the ultra-thin asphalt wearinglayer is 8 to 12 mm. The formed ultra-thin asphalt wearing layer is bonded with the pavement in the lower layer through hot asphalt at the bottom to form a firm whole body, and poor integrality and delaminating risks caused by thin layers are eliminated. The ultra-thin asphalt wearing layer structure belongs to a novel technology for preventive maintenance of asphalt pavements; after an asphalt pavement is subjected to a quantity of years of traffic use, surface function problems, such as degenerative skid resistance function, poor flatness, big noise and slight pit slots, occur, and the structure can rapidly, simply and effectively repair surface functions of the asphalt pavement at low cost, and prevent further occurrence of diseases. The invention further discloses a construction methodof the ultra-thin asphalt wearing layer structure.

The invention discloses an electric power steering system, a motor and a rotor dynamic balancing method thereof. The rotor dynamic balancing method comprises the following stepsofS1, determining the unbalanced position of a rotor according to a dynamic balancing machine; S2, pressing a dynamic balancing block onto a first shaft segment of a motor shaft in a sleeving mode; S3, rotating the dynamicbalancing block around the first shaft segment until the dynamic balancing block can balance the dynamic unbalanced position of the rotor; and S4, pressing the dynamic balancing block onto a second shaft segment of the motor shaft in the sleeving mode. The first shaft segment and the second shaft segment have magnitudes of interference relative to the dynamic balancing block, and the magnitude ofinterference of the first shaft segment relative to the dynamic balancing block is smaller than that of the second shaft segment relative to the dynamic balancing block. According to the rotor dynamicbalancing method provided by the invention, the operational reliability of the motor is not damaged in the process of amending dynamic unbalance of the rotor, and the method is simple, convenient andflexible to operate and easy to generalize.

The invention discloses a preparation method of an electrostatic spinning fibrous membrane. The preparation method is characterized by comprising the following steps: (1) preparing a spinning solution, namely dissolving polymer resin, an additive and a mineralizing material into a solvent to prepare the spinning solution; and (2) preparing an electrostatic spinning mineralized nanofiber membrane,namely mounting a substrate on a receiving device of electrostatic spinning equipment, defoaming the spinning solution obtained in the step (1), injecting the defoamed spinning solution into an electrostatic spinning device, carrying out electrostatic spinning and air curing, and carrying out curing forming in a coagulating bath to obtain the mineralized electrostatic spinning nanofiber membrane.The mineralization material is combined with the electrostatic spinning nanofibers, the specific surface area is increased, inflow water can be fully mineralized when passing through the membrane, andthe mineralization efficiency is improved; and the mineralized material is fixed on the nanofibers, so that the risk of falling off is avoided, and the drinking water is safer.

The invention relates to the field of medical internal medicine, and particularly relates to an internal medicine pressing hemostasis device for internal medicine. The device comprises a fixing plate, a pressing mechanism and a control mechanism, wherein through holes penetrating through the fixing plate are formed in the two sides of the fixing plate, and tightening belts used for fixing a device body and a human body are fixedly arranged at the two ends of the fixing plate; the pressing mechanism is fixedly installed on the fixing plate, penetrates through the through holes formed in the fixing plate, extends to the inner sides of the tightening belts and is used for conducting pressing hemostasis on a wound; and the control mechanism is connected with the ends, away from the fixing plate, of the tightening belts and used for controlling the tightening belts to be contracted or released. According to the internal medicine pressing hemostasis device for internal medicine, the hemostasis belts can be firmly pressed on the skin, the risk of falling is avoided, installation is easy, and the practicability is high.

The invention discloses a novel electric cooker and a cooking method thereof. The invention relates to the technical field of electric cookers. The electric cooker comprises an electric cooker body, wherein the electric cooker body comprises an outer pot, a first cavity is formed in the outer pot, an outer container is mounted in the first cavity, an inner container is mounted in the outer container, a second cavity is formed between the outer container and the inner container, a third cavity is formed in the inner side of the inner container, a humidity sensor is arranged at the bottom of theinner container, an intelligent control circuit board is installed on the inner side of the bottom of the electric cooker body, an electric heating plate rotating disc is connected to the center of the bottom of the first cavity, and an upper cover is connected to the top of the electric cooker body. According to the invention, each rice grain can be uniformly and fully cooked, so that each ricegrain has enough elasticity and chewiness; during cooking, the rice cooker is naturally not stuck, and the risk that a chemical coating falls off does not exist; and in the cooking process, time and electricity are saved, and operation is convenient.

The invention discloses a quick processing method of an internal nut stage hole PCB. The quick processing method comprises the following steps of S1, preparing a base material based on specificationsto complete a cutting operation, and performing manufacturing until electroplating according to the normal processing process of the internal nut stage hole PCB, after a pattern tin electroplating iscompleted, performing a drilling procedure to drill an internal nut stage hole; S2, designing of the internal nut stage hole: measuring the upper diameter, length of inclined edges and height of an internal nut, working out an angle at the bottom of a drill bit, selecting a drill bit according to the upper diameter of the nut and the angle at the bottom of the drill bit, and setting the depth of the internal nut stage hole according to the height of the nut; S3, processing of internal nut stage hole: selecting a drill with depth finding and finding functions to complete drilling according to the designed parameters of the internal nut stage hole designed in the step S2; and S4, after drilling of the internal nut stage hole is completed, performing an electroplating etching procedure to perform continuous production to prepare a finished product. The quick processing method has the advantages of improvement of production efficiency, lowering of production cost, improvement of processingprecision and the like.

The invention relates to a floor structure and a combined structure residential system with the same. The floor structure comprises floor slabs and cantilever slabs; a steel reinforcement framework isarranged in the space between every two adjacent floor slabs; floor ring ribs are sequentially and vertically fixed at intervals along the length direction of the floor slab splicing surface at the bottom of an installation notch; each steel reinforcement framework comprises a connecting horizontal rib arranged along the length direction of the splicing surface and a plurality of connecting ringribs fixed to the connecting horizontal rib; the connecting ring ribs are parallel to the floor ring ribs; concrete is poured into the connecting ring rib sand the floor ring ribs; and the floor slabsand the cantilever slabs are connected through cold-hot-proof bridge nodes. According to the structure, the on-site construction speed is greatly improved, the construction difficulty is reduced, theconstruction process is simple, the four sides of a prefabricated plate are free of reinforcement rib exposing, the automatic batch production of factories is facilitated, and the production cost isgreatly reduced; the stress performance is good, the integrity is strong, and the structural integrity in the assembly integral mode is strong; and on-site assembly construction is realized, the construction efficiency is high, the self weight and the concrete consumption of a floor are greatly reduced by the multi-rib structure, and the cost is reduced.

The invention relates to the field of mine pipelines, and discloses a manufacturing method of a high-wear-resistance rubber steel wire hose and a mold forming device. The method comprises the following steps: A, preprocessing a film; B, calendering the film; C, carrying out rubber material splicing pipe body forming; D, forming a pipe orifice check ring; E, carrying out product vulcanization; and F, demolding and polishing to obtain a finished product. According to the manufacturing method, the thickness of each layer can be effectively controlled, so that easy-to-fail points are controlled in a targeted manner, and the wear resistance and the stability of the hose are improved.