31results about How to "Fast even distribution" patented technology

The invention relates to a pedicle screw for implants for the correction and stabilisation of the spinal column, comprising a head piece (4), on one axial end of a threaded shaft (2) to which a clamp piece (3) may be connected, comprising a clamp housing (5) for a bar (6) which may be fixed to the head piece (4). A threaded drilling (8) is embodied in the clamp piece (3) for housing a thread provided on the head piece (4).

The invention relates to an enhanced heat-insulation composite film spaced by a metal wire grating and application thereof. The enhanced heat-insulation composite film consists of 3-20 layers of sandwich metal-plated high-polymer composite films which are spaced by parallel or orthorhombic metal wire gratings on fiber meshes. The enhanced heat-insulation composite film is characterized in that one side of the enhanced heat-insulation composite film can bear the effect of high temperature and low temperature within negative 250DEG C to 250DEG C, the other side of the enhanced heat-insulation composite film is kept to be at 5-40DEG C normal temperature, the enhanced heat-insulation composite film is a multilayer composite material which can realize rapid and even heat distribution, heat insulation and warmth keeping, the natural thickness is 4-20mm, the actual compact thickness is 1-8mm, the weight per square meter is 40-800g/m<2>, and the enhanced heat-insulation composite film is a fully-closed bonded or sewn heat-insulation, warmth-keeping soft enhanced heat-insulation composite film. The enhanced heat-insulation composite film can be solely used or can be combined with other materials and be used for human body protection and environmental heat insulation of high-temperature and low-temperature occasions such as firefighting, military, exploration and industry.

The invention relates to a heating method for a metal tube, in particular to a rapid uniform heating method for the metal tube. The heating method comprises the steps that firstly, the metal tube to be heated is placed into an induction heating coil; secondly, the induction heating coil is energized, and the metal tube is heated; thirdly, the metal tube and the induction heating coil are moved relatively when the metal tube is heated; and fourthly, the heating is stopped when the heated temperature of the metal tube reaches 300 DEG C to 1100 DEG C, and the metal tube is taken out of the induction heating coil. The rapid uniform heating method is applicable to heating metal tubes and capable of solving the problems that the circumference temperature and the axial temperature of metal tubes are unevenly distributed and the forming of the metal tubes are influenced by the uneven distributed temperatures in prior induction heating methods of the metal tubes.

The invention discloses a threaded rod for polymer microcellular foaming injection molding. A threaded rod feeding section, a threaded rod compression section and a threaded rod metering section are arranged in front of the polish rod part of the threaded rod in sequence, and the length of the threaded rod metering section is 1-2 D; a middle non-return valve is arranged in front of the threaded rod metering section, the manner of two semirings disconnected in a ladder shape is adopted, and the two semirings are arranged on the ladder shaft of the threaded rod in a sleeving mode after being aligned; a shearing section and a mixing section are arranged in front of the middle non-return valve in sequence, and the shearing section and the mixing section adopt multiple threads; a reversed multi-thread screw groove is formed in the mixing section; a front non-return valve and a threaded rod head are arranged in front of the mixing section, the front non-return valve is arranged on the ladder shaft of the threaded rod head in a sleeving mode, and the threaded rod head is connected to the front end of the threaded rod through threads. The middle non-return valve is additionally arranged on the threaded rod disclosed by the invention, and the semirings disconnected in the ladder shape are arranged on the integrally designed and processed ladder shaft of the threaded rod in the sleeving mode, so that an injected supercritical fluid foaming agent is prevented from escaping backwards.

The invention discloses a diaphragm with dual-effects of reflecting and transmission and a manufacturing method thereof. The diaphragm comprises a reflecting layer, a pressure-sensitive adhesive layerand a release layer, and the pressure-sensitive adhesive layer is adhered with the release layer; the diaphragm further comprises a transmission layer adhered with the reflecting layer and adhered with the pressure-sensitive adhesive layer, and fine particles are arranged in the transmission layer. The transmission layer is arranged at a lower surface of the reflecting layer, the light intensityattenuation when irradiation light ray of an external lighting source irradiating from an upper surface of the reflecting layer penetrates the transmission layer arranged at the upper surface of the reflecting layer in the prior art is fundamentally solved, and the defect that the product is short in service life since the transmission layer on the upper surface of the reflecting layer quickly ages after being influenced by the light, the moisture, the temperature change and like external environment factors in the prior art is effectively solved; the reflected light intensity of the product is greatly improved, the service life of the product is effectively prolonged when the reflecting performance, the caution and identification effects of the product are effectively improved.

The invention discloses bipolar sedimentation chilli cleaning equipment comprising a feed device, a supply device and a cleaning device. The supply device is arranged between the feed device and the cleaning device. The cleaning device comprises a first-level cyclone unloader and a second-level cyclone dust remover which communicate with each other through a wind pipe. The cleaning device communicates with a fan. The bipolar sedimentation chilli cleaning equipment disclosed by the invention is simple in structure, convenient to operate, safe and reliable. The impurity removing effect is achieved by means of wind power, specificity is high, the impurity removing rate is high, the chilli quality is improved, subsequent deep processing operation is facilitated, environmental pollution is prevented effectively, and environmental protection is facilitated.

The invention belongs to the technical field of plastic products. The invention discloses a PE drain pipe and a production process thereof. The PE drain pipe is prepared from, by weight, 80-100 partsof PE, 3-5 parts of nano MgO, 0-5 parts of nano MnS, 5-15 parts of ground calcium carbonate, 2-5 parts of a coupling agent, 0-3 parts of EVA, 3-5 parts of a flame retardant, 3-10 parts of a tougheningagent, 1-5 parts of a heat stabilizer and 0-2 parts of a processing aid. Beneficial effects of the PE drain pipe and the process are that the nano MgO can enhance the heat-conducting property of a PEproduct and avoid the cold welding phenomenon in a PE pipe welding process; the nano MnS can keep the stability of a polyethylene molecular chain in the welding process, and thermal oxidation of polyethylene when the welding temperature is too high is avoided; the ground calcium carbonate, the nano MgO and the nano MnS have a synergistic effect, so that the stability of a welding part can be improved, and the firmness of the welding part is improved; by adding the nano MgO, the nano MnS and the ground calcium carbonate, the temperature range of the PE pipe during welding can be widened, and the welding stability of the PE pipe is improved.

The invention discloses a heat dissipation device and a heat dissipation method of a power supply isolation module, belonging to the technical field of heat dissipation of an electric function module.The heat dissipation device of the power supply isolation module of the invention comprises a chassis, a power supply isolation module, a plurality of heat dissipation tubes and a fan. The power supply isolation module and the fan are arranged on the bottom shell of the chassis, and the heat dissipation tubes are arranged on the bottom shell and are in contact with the power supply isolation module. The heat dissipation device of the power supply isolation module of the invention can uniformly dissipate heat, and has good popularization and application value.

The invention discloses an overturning device for aluminum alloy profile machining. The overturning device comprises a base, a first rotating wheel is fixedly installed at the upper end of the base, amotor is fixedly installed at the left side of the upper end of the first rotating wheel, a fixing base is fixedly installed at the right side of the motor, and a second rotating wheel is fixedly installed at the front end of the fixing base; and a mechanical arm is fixedly installed above the fixing base, and a grabbing structure is fixedly installed at the lower right portion of the mechanicalarm. According to the overturning device, a plurality of sets of movable blocks capable of moving at will are adopted in the grabbing structure, each set of movable block can stretch out and draw backindependently, and therefore a mechanical clamp can be completely attached to profiles needing to be grabbed; clamping can be firmer, and the mechanical clamp of the overturning device can adapt to clamping of the various profiles of different sizes; and in addition, a connecting shaft and a sealing bearing which are convenient to disassemble are arranged, so that the overturning device is convenient to disassemble and stable and smooth in operation, and few faults occur.

The invention discloses a limewater spraying device for forests. A land is involved, a plurality of rows of trees are planted on the land at equal intervals, two rear wheels and a front wheel abut against the upper side face of the land, rear wheel shafts are fixedly connected in the rear wheels, rear wheel stress blocks are fixedly connected to the right sides of the rear wheel shafts, and a chassis is rotationally connected to the two rear wheel shafts. A hydraulic space is formed in the upper side of the chassis, a transmission space is formed in the front side of the hydraulic space, a hydraulic wheel device is arranged in the hydraulic space, and a smearing transmission device is arranged in the transmission space. An execution transmission device is provided with smearing devices which are symmetrically distributed about a vertical center line of the transmission space, limewater can be smeared on two rows of trees at the same time and can be rapidly and evenly distributed in a smeared area by spraying, the efficiency is improved, and automation can be achieved.

The invention discloses a multipurpose electric pancake maker. The multipurpose electric pancake maker comprises a cylinder base, a fixing pawl array, a pancake making plate, a slide seat, a transmission fork bar array, a slide column, a guide device and a rotating component, wherein the fixing pawl array is formed by fixing pawls; the transmission fork bar array is formed by transmission fork bars which are rotatably arranged at the bottom of the slide seat; the slide column is detachably arranged on the slide seat; the guide device comprises a hollow long guide tube, and a plurality of oblique paste guiding screw holes are arranged in the periphery of the bottom of the long guide tube; the rotating component comprises a long rotating rod, a rotating handle, a spreading support, an electric drive box and a plurality of feeding devices; each feeding device comprises a tubular feeding tube and a feeding spiral rod. Due to the fact that the multiple feeding devices are used, rice paste can be fast and evenly distributed on the pancake making plate, pancake making is accelerated, and uniform pancake thickness is achieved.

The invention discloses a method and a device for quickly treating and recycling sewage in a car washing tank. Sewage in the car washing tank is pumped by a sewage pump to enter a centrifugal drum through a grid and a doser, whether a flocculating agent is added or not is selected by the doser as required before the sewage enters the centrifugal drum, and the sewage flows to the periphery of the bottom through a water distributor after entering the centrifugal drum; after full filling, the sewage pump is stopped, the centrifugal drum is started, sewage is subjected to mud-water separation through density difference under the centrifugal effect, impurities including mud and sand are gradually enriched on the inner wall, clear water is left in the center, and after stable operation, the sewage pump and the drainage pump synchronously work at equal flow; and newly injected sewage is squeezed in and is kept at the lower part of the center under the action of self sedimentation and a flow baffle, the same amount of squeezed clean water is discharged back to the car washing tank from the upper part of the center by the drainage pump, mud-water separation and water circulation are stopped after water in the car washing tank is qualified, and impurities and a small amount of residual water in the centrifugal drum are cleaned. The device is good in sludge-water separation effect, high in treatment efficiency, simple in structure, easy to operate and high in practicability.

The invention discloses a pancake device for rapidly processing a pancake. The pancake comprises a cylinder seat, a fixed pawl array, a pancake disc, a sliding seat, a transmission fork strip array, asliding column, a guider and a rotating assembly. The fixed pawl array is composed of fixed pawls rotatably arranged at the bottom of the cylinder seat; the transmission fork strip array is composedof transmission fork strips; the rotating assembly is rotatably arranged in the cylinder seat and comprises a long-rod-shaped rotating long rod, a rotating handle, a flat-spreading support and a plurality of feeders; and each feeder comprises a tubular feeding tube and a feeding spiral bar, and the feeding spiral bars are rotatably and separably arranged in the feeding tubes. The multiple feedersare adopted, thus rice milk can be distributed on the pancake disc rapidly and evenly, the pancake manufacturing process is accelerated, and the thickness of the pancake is also more even.

The invention discloses a ceramic circuit board, comprising a metal substrate layer, a ceramic insulation heat conduction layer and a graphene heat dissipation coating; the ceramic insulation heat conduction layer covers the upper surface of the metal substrate layer, the graphene heat dissipation coating covers the lower surface of the metal substrate layer, and a circuit board is fixed on the upper surface of the ceramic insulation heat conduction layer, wherein the metal substrate layer is made of a high-thermal-conductivity alloy material, and the ceramic insulation heat conduction layer is composed of an adhesive and a ceramic inorganic filling material. The ceramic circuit board in the invention has excellent heat conductivity, the defect that the existing ceramic circuit board is brittle and hard is overcome, the ceramic circuit board is easy to cut and punch, the manufacturing cost is low, and the percent of pass is high.