18results about How to "Efficient filling" patented technology

The present application provides a sponge-filled automobile tire and a manufacturing method thereof, comprising a tire body and a sponge block; the tire body is provided with a through hole for passing through a hub, and a cavity is arranged in the tire body and communicates with the through hole, and the sponge block is inserted into the cavity; the sponge block is provided with a through opening, and a cloth sleeve is sleeved on the outer wall of the sponge block outside the through opening. The present application utilizes the design of the cloth sleeve, the cloth sleeve is sleeved on the outside of the sponge block, when the sponge block is filled into the cavity, the cloth sleeve on the outside of the sponge block is bonded with the glue sprayed on the inner wall of the cavity, avoiding the case that the sponge block is directly bonded inside the cavity, when the tire body is punctured, the cloth sleeve is separated from the tire body, so that the sponge block can be disassembled, which facilitates the disassembly of the sponge block, and avoids the case that the sponge block and the tire body are bonded and broken during disassembly of the sponge block, part of the sponge block is left in the cavity, which causes inconvenience in cleaning and repairing the tire body.

The utility model relates to photoresist production auxiliary equipment technical field, concretely relates to an insulating carbon black storage device for photoresist, including storage box, the top of storage box is connected with feed inlet, the first solenoid valve is installed in the communication of feed inlet and storage box, the output port department of storage box bottom is provided with the second solenoid valve, still including fixed mounting on the turbine molecular pump of storage box outer side wall, the output end of turbine molecular pump is connected with the air cylinder of fixed mounting in the outer side wall of storage box, the top lift sliding of air cylinder is inserted with nitrogen tube, the output end of nitrogen tube is inserted to storage box, and is equipped with one -way exhaust valve, the utility model discloses nitrogen tube height is adjusted dynamically through lift cylinder, makes it always close carbon black material surface, and nitrogen fills the space not being occupied by material directly, and replacement efficiency improves 30% or more, and nitrogen consumption reduces 20%-40%, and turbine molecular pump provides high -purity nitrogen delivery, prevents the back flow in combination one -way exhaust valve, ensures the inert environment of fast establishment.

The application discloses a mural reinforcing protective agent and a preparation method and application thereof, belongs to the technical field of cultural relic restoration, and can solve the technical problems that existing mural reinforcing materials cannot reinforce the lower layer structure of ancient murals and are prone to being attached to the surface of murals to cause the whitening of the surface pigments. The mural reinforcing protective agent comprises a bacterial cellulose carrier and Ba(OH)2 nanoparticles loaded on the bacterial cellulose carrier in situ. The application plays a reinforcing role on the lower layer structure of murals, realizes deep reinforcement of ancient murals, improves the protection effect, stability and durability, and the surface of the mural will not be whitened.

The utility model belongs to reagent filling automation equipment technical field discloses a kind of automatic canning machine for reagent filling, including base frame, index transmission system, filling unit, capping unit and gas-electricity integrated system, base frame is by bottom support cabinet and frame skeleton welding structure, and frame skeleton is layered truss structure;Index transmission system is integrated in base frame, and index transmission system includes feed conveyor belt and coaxial link's circular turntable, the edge of the circular turntable is provided with equal-angle arc limiting slot;The filling unit is fixed on the frame skeleton, and the filling unit includes storage hopper and the multiple-channel filling head connected, the end of the multiple-channel filling head is embedded with pneumatic ration valve, and the valve body of the pneumatic ration valve extends liquid injection pipe below.The utility model structure is strong in rigidity, and anti-vibration stable, and index transmission positioning is accurate, and multiple-channel pneumatic ration filling precision is high and anticorrosion, and vacuum chuck capping is reliable against falling off.

This invention relates to a method for seamless welding of multi-cavity profiles and integrated molding of sound insulation layers, as well as a door and window frame. It belongs to the field of building door and window profile processing and manufacturing technology. By moving the injection of the sound insulation composite material before welding, pre-injection is completed when the profile cavity ports are open, solving the problem of material not flowing into the closed corner area and resulting in missing corner sound insulation filling in existing post-injection processes. By applying a heat-activated protective film to the welding end face and implementing a staged heating and pressurization process, the flow homogenization conditions of the molten material on the outer surface are improved, effectively reducing the width of the white weld seam at the corner. By selecting a sound insulation material system with a final curing temperature matching the welding residual heat temperature range, the residual heat during the natural cooling process of the corner after welding drives the final curing of the material, merging the welding process and the sound insulation layer molding process. No structural modifications to existing welding equipment are required, making it easy to promote and apply under existing production conditions.

This invention belongs to the field of optoelectronic technology, specifically relating to a method for fabricating a controllable crystallization micron-scale perovskite light-emitting device based on solution pretreatment. The method includes the following steps: Step 1: Obtaining a patterned microporous substrate; Step 2: Pre-wetting and seed layer construction; Step 3: Deposition of the main perovskite layer; Step 4: Slow-release controllable crystallization; The spin-coated wet film is placed in a vapor atmosphere of a good solvent for treatment, followed by thermal annealing to form a perovskite thin film within the patterned micropores; Step 5: Fabrication of a controllable crystallization micron-scale perovskite light-emitting device based on solution pretreatment. This invention, using pre-wetting, seed guidance, slow-release crystallization, and vapor annealing on a patterned microporous substrate, achieves precise control over the entire process of film nucleation and growth kinetics within the confined space of the micropores, thereby achieving high-quality, uniform fabrication of perovskite thin films within micron-scale micropores, and ultimately obtaining a high-performance, highly uniform microarray perovskite light-emitting device.

This utility model discloses a temperature control valve for air compressors, specifically relating to the field of temperature control valve technology. It includes a valve body with a valve cover at the bottom. Multiple bolts are threaded onto the outer side of the valve cover, and spring washers are placed on the outer sides of the bolts. An inlet is located inside the valve cover, a first outlet is located at the top of the valve body, and a second outlet is located on one side of the valve body. A valve core support is installed inside the valve body, along with an adjustment mechanism and a sealing assembly. Compared to existing technologies, this utility model, through its adjustment mechanism, allows the valve core cover to move according to the different temperatures of the temperature bulb. This enables the liquid to automatically adjust its flow direction under different temperature conditions, rationally distributing fluid according to actual temperature requirements, preventing overheating or overcooling of the system, thereby improving the stability and reliability of the entire system.

The utility model relates to a kind of bell and spigot type precast concrete pipe joint construction processing structures, belong to concrete pipe construction structure technical field, including multi-section bell and spigot type precast concrete pipe, the end of each bell and spigot type precast concrete pipe is equipped with sleeve pipe, sleeve pipe is equipped with tapered sealing surface, the outside of the other end of each bell and spigot type precast concrete pipe is equipped with tapered sealing portion, rubber sealing sleeve is sleeved on tapered sealing portion, the junction of adjacent bell and spigot type precast concrete pipe is equipped with sealing mortar layer, the bottom of the both ends of each bell and spigot type precast concrete pipe is equipped with support block.The support block of the utility model can support bell and spigot type precast concrete pipe to lift, facilitate evenly smearing sealing mortar layer outside sleeve pipe, prevent sealing mortar layer to disconnect, by tapered sealing surface, tapered sealing portion, rubber sealing sleeve, sealing mortar layer multilayer sealing, effectively fill gap, substantially reduce leakage risk, guarantee pipeline system water delivery, drainage function stability.

The application relates to the technical field of building construction, in particular to a sealing structure for a screw hole in an outer wall, which comprises a plugging assembly arranged in the screw hole and a sealing assembly arranged close to the outside of the screw hole; the plugging assembly comprises, from inside to outside, an inner waterproof mortar layer, a foaming agent layer and an outer waterproof mortar layer; the sealing assembly comprises, from inside to outside, a sealing block, a waterproof sealant layer and a waterproof paint layer; the outer waterproof mortar layer is arranged between the waterproof sealant layer and the waterproof paint layer; the inner waterproof mortar layer, the foaming agent layer and the outer waterproof mortar layer jointly fill the screw hole, enhance the compactness of plugging and prevent leakage; meanwhile, the sealing block, the waterproof sealant layer and the waterproof paint layer further form a sealing barrier for the screw hole in the outer wall, prevent external water such as rainwater from invading, improve the waterproof performance of the outer wall, and significantly improve the plugging quality of the screw hole in the outer wall and reduce the leakage risk of the outer wall.

The utility model relates to a novel lubricating grease filling device belongs to equipment lubricating tool technical field, the utility model discloses an oil injection subassembly, oil cylinder seat, push oil subassembly, handle mechanism and grease filling cylinder, the grease filling cylinder sets up in the oil cylinder seat, is equipped with the piston cover in the grease filling cylinder, and the left end of grease filling cylinder is connected with the oil injection subassembly, and push oil subassembly sets up in the right end of oil cylinder seat and grease filling cylinder, handle mechanism sets up between push oil subassembly and grease filling cylinder, the utility model can realize the efficient, clean filling and filling of lubricating grease, and the structure is exquisite light and handy, and the operation is simple and flexible.

The utility model relates to steel bar truss technical field, and disclose an assembly type detachable steel bar truss floor support plate formwork splicing structure, including bottom formwork, the left and right sides of bottom formwork bottom all are provided with connecting assembly, and connecting assembly includes connecting half ring, and connecting half ring fixed mounting is in bottom formwork, and the rotatory semicircle board is rotatably installed on connecting half ring, and the slide slot that can supply rotatory semicircle board sliding is seted up on connecting half ring, and locking assembly is seted up on connecting half ring, and the positioning assembly is seted up on bottom formwork, the utility model discloses through its accurate design connecting assembly, locking assembly and positioning assembly, realized the dual -purpose promotion of construction efficiency and engineering quality.

The application discloses a method for synthesizing NaA molecular sieve membrane by using wet gel layer crystallization. The method comprises the following steps: firstly, preparing a wet seed carrier, then, without drying treatment, the wet seed carrier is directly soaked in a gel solution to form a wet gel layer on the surface of the wet seed carrier, and after being taken out, the wet seed carrier is put into a reaction kettle to be heated and crystallized to synthesize high-performance NaA molecular sieve membrane. The preparation process is simple, the utilization rate of the gel solution is high, the preparation reproducibility is good, the prepared NaA molecular sieve membrane has high separation performance, can be applied to large-scale application, and has important industrial application value.

The application relates to a construction method for ensuring the safety of a shield tunnel underpassing a pipeline, which comprises the following steps: determining the maximum tensile strain increment [Delta epsilon t ] of the pipeline bottom at the intersection position of the shield tunnel and the pipeline plane projection; excavating the foundation, making a turning platform and a tensioning pedestal; installing and fixing a steel strand after forming a working face and providing a pre-tightening force through a jack; pasting a bottom strain gauge for measuring the pipeline longitudinal strain on the pipeline bottom at the intersection position of the shield tunnel and the pipeline plane projection; stopping the shield machine when the strain change cumulative value epsilon t is greater than 0.5 times [Delta epsilon t ]; eliminating epsilon t by gradually tensioning the steel strand through the jack; stopping the strain observation when epsilon t is less than 0.05 times [Delta epsilon t ] within three days; and restoring the ground after grouting in the pipeline longitudinal axis direction for 7-10 days. The application forms an efficient and low-cost construction method for effectively ensuring the safety of the pipeline, and the construction method is unique in process, mature in technology and beneficial to popularization.

The present application belongs to the technical field of digital image processing, and particularly relates to a kind of morphing QR two-dimensional code image filling enhancement identification method;Including detecting morphing QR two-dimensional code, obtaining identifiable position detection pattern and unidentifiable position detection pattern;Copy identifiable position detection pattern and place in the filling position of unidentifiable position detection pattern, then determine three corner points;Calculate affine transformation matrix through corner point, correct morphing QR two-dimensional code using affine transformation matrix to obtain corrected two-dimensional code;Three primary color channels of corrected two-dimensional code are filtered using MSRCR algorithm, and filtered two-dimensional code image is obtained;Stretch filtered two-dimensional code image and carry out adaptive histogram equalization to obtain enhanced two-dimensional code, and the enhanced two-dimensional code is identified;The present application improves QR two-dimensional code recognition rate.

The application discloses customizable centimeter-level epoxy-based composite hollow spheres and a preparation method thereof. The epoxy-based composite hollow spheres are prepared by taking a centimeter-level light foam sphere as a core, uniformly spraying an epoxy resin mixture on the outer surface of the sphere, uniformly coating a layer of hollow glass microspheres or fiber powder, and repeating the process until the epoxy-based composite hollow spheres reach a target density, so that the requirement of customization of the static water pressure strength of the hollow spheres can be met. The customizable centimeter-level epoxy-based composite hollow spheres are composed of a light foam sphere, an epoxy resin, a curing agent, an additive, hollow glass microspheres or fiber powder. The diameter of the customizable centimeter-level epoxy-based composite hollow spheres is 1.04-5.6 cm, the wall thickness is 0.02-0.3 cm, the density is 0.1-0.6 g / cm 3 , and the static water pressure strength is 2-60 MPa. The hollow spheres prepared by the method have high strength and low density, and can be used in buoyancy materials, so that three-phase buoyancy materials with excellent properties such as high strength, low density and low water absorption rate can be prepared.

The application relates to the technical field of beer production, in particular to a butt joint type packaging production line convenient for quick conversion. When different types of beer are filled and produced, a screw rod is first rotated through a motor, and after the screw rod rotates, a linkage rod is used to realize the sliding of a plugging head in a guide sleeve, so that the quick switching of a connecting pipeline between a double-head liquid inlet pipe and a double-head liquid outlet pipe is realized in the moving process of the plugging head, the corresponding filter screen plates in the two filter boxes can be quickly put into use, the filtering requirements for different types of beer are met, and due to the butt joint type beer packaging production line, the switching and use of the filter screen plates with different hole diameters in the two filter boxes are realized in the form of electric switching, the complicated manual replacement operation is omitted, the replacement efficiency of the filtering components on the filling machine body is improved, the smooth operation of the butt joint type beer packaging production line and the efficient filling of the beer after fermentation are facilitated.

The application discloses a steam ejector and an ejecting method, and belongs to the technical field of steam ejectors. The steam ejector comprises, from left to right, a receiving chamber, a mixing chamber and a diffuser chamber which are sequentially connected; the receiving chamber is provided with a nozzle at an inlet end; a fluid channel is arranged below the receiving chamber; the mixing chamber comprises a converging section and a throat section connected to a right end of the converging section; the converging section is in a hollow cylindrical shape; a drainage groove is arranged below an inlet end of the converging section, and the drainage groove is used for storing condensate generated due to phase change during movement of steam; a drainage hole is arranged below the drainage groove; an adjusting assembly is matched with the drainage hole, and the adjusting assembly is used for discharging the condensate accumulated in the drainage groove. The steam ejector can effectively solve the problem that the entraining performance is reduced due to accumulated liquid at an inlet of a mixing chamber of an existing steam ejector.

A teeth whitening composition with phased synergistic release and its preparation method are disclosed. The composition comprises: an enzymatic membrane-degrading component, a chelating desorption component, a porous adsorbent material, an enamel repair material, a friction matrix, a first porous carrier (pore size 50-100 nm), a second porous carrier (pore size 2-20 nm), a surfactant, a sweetener, and a flavoring. The enzymatic membrane-degrading component is loaded onto the first porous carrier, and the chelating desorption component is loaded onto the second porous carrier. The three-stage release is achieved through the difference in pore size: in the first stage (0-1 min), the enzymatic component rapidly decomposes the acquired membrane; in the second stage (2-3 min), the chelating component cleaves the pigment-binding bonds; and in the third stage (after 2 min), the adsorbent and repair materials adsorb the pigment and repair the enamel. This invention achieves highly efficient stain removal, low damage, long-lasting whitening, and low restaining rate through the synergistic and phased release of enzymatic hydrolysis, chelation, adsorption, and repair.