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82results about How to "Fully filled" patented technology

Riveting top cover, battery cell cover plate and battery cell

The invention relates to the technical field of batteries, and discloses a riveting top cover, a battery cell cover plate and a battery cell. Wherein the riveting top cover comprises a riveting block and a pole column, the riveting block is provided with a through hole, the through hole comprises a matching hole, a secondary riveting hole and a main riveting hole which are coaxially arranged in sequence, the pole column comprises a base and a protruding part arranged on the base, the protruding part is provided with a matching section, a secondary riveting section and a main riveting section which are in one-to-one correspondence with the matching hole, the secondary riveting hole and the main riveting hole, and the matching section, the secondary riveting section and the main riveting section are in one-to-one correspondence with the matching hole, the secondary riveting hole and the main riveting hole. The first annular cavity is reserved between the secondary riveting section and the secondary riveting hole in the pre-assembly state, the second annular cavity is reserved between the main riveting section and the main riveting hole, and the first annular cavity and the second annular cavity respectively reserve material expansion spaces for the secondary riveting section and the main riveting section. Therefore, part of the first annular cavity can be filled with the secondary riveting section after the secondary riveting section expands under the action force, the phenomenon that the riveting block is locally expanded or deformed due to expansion of the secondary riveting section in the traditional riveting process is avoided, and the yield of the riveted top cover is improved.
Owner:SVOLT ENERGY TECHNOLOGY CO LTD

Battery pack filling assembly, battery pack and electric equipment

The utility model relates to a battery pack filling assembly, a battery pack and electric equipment, the battery pack filling assembly is suitable for being filled in a gap between a battery cell group of the battery pack and a beam of a tray of the battery pack, the battery pack filling assembly comprises a support and a partition plate, and the support and the partition plate are suitable for being sequentially arranged in the direction from the battery cell group to the beam of the tray; the partition plate is suitable for defining a glue injection space suitable for containing glue together with a beam of the tray, the support is provided with a first side and a second side which are opposite, the first side is suitable for abutting against the battery cell set, the second side abuts against the partition plate, a glue injection hole is formed in the support, a glue inlet is formed in the partition plate, and the glue injection hole is communicated with the glue injection space through the glue inlet. By using the battery pack filling assembly provided by the invention, the gaps between the battery cell groups of different battery packs and the beams of the tray can be filled, the gaps between the battery cell groups at different positions in the same battery pack and the beams of the tray can also be filled, and the battery cell groups are well supported.
Owner:BYD CO LTD

Welding method for large-size tungsten-silicon alloy target material

The invention relates to a welding method of a large-size tungsten-silicon alloy target material, which comprises the following steps: a back plate and a tungsten-silicon target material are respectively machined, the welding surface of the back plate is sequentially and concentrically provided with an assembly groove and a welding flux groove from top to bottom, the diameter of the welding flux groove is smaller than that of the target material, and a pretreated back plate and a pretreated target material are obtained; filling solder in a solder groove of the pretreated back plate, coating the solder on the welding surface of the pretreated target material, then heating the back plate and the target material to melt the solder, and then respectively performing infiltration treatment on the welding surfaces of the back plate and the target material to obtain the infiltrated back plate and target material; and the infiltrated back plate and the target material are assembled to obtain a target material assembly, the target material assembly is pressurized and then cooled, and the welded target material assembly is obtained. According to the welding method provided by the invention, the welding bonding strength of the target material and the back plate can be effectively improved, the target material assembly is prevented from being unsoldered and cracked, and deformation caused by welding is reduced.
Owner:KONFOONG MATERIALS INTERNATIONAL CO LTD

Lightweight high-strength steel pipe concrete based on phosphogypsum and method for preparing the same

The application provides a phosphogypsum-based light high-strength steel pipe concrete and a preparation method thereof, and relates to the technical field of the steel pipe concrete.The steel pipe concrete comprises the following raw materials in parts by weight: 450-500 parts of a hydraulic cementitious material, 255-272 parts of phosphogypsum light aggregate, 480-610 parts of gravel with a particle size of 4.75-19.0 mm, 708-743 parts of medium-coarse sand, 3.24-5.85 parts of a water reducing agent and 150-156 parts of water; the hydraulic cementitious material is a gypsum-slag cement containing modified phosphogypsum.The application realizes the lightness, controllable micro-expansion property and good corrosion resistance of the steel pipe concrete on the basis of ensuring the strength of the steel pipe concrete, and controls the manufacturing cost of the steel pipe concrete.
Owner:HUBEI YAOCHANG NEW MATERIAL ENG TECH RES CO LTD

Methanol recovery device

The utility model relates to the technical field of methanol recovery, in particular to a methanol recovery device. The methanol recovery device comprises a tank body, two ends of the tank body are respectively provided with a water inlet pipe and a water outlet pipe, and the outer side wall of the tank body is provided with a gas inlet pipe and a gas outlet pipe; a spraying head is further arranged in the tank body, the spraying head is located in the tank body, the spraying head is rotationally connected to the water inlet pipe, the spraying head is provided with at least one spraying opening, and the spraying head can be driven to rotate in the process that the absorbent is sprayed out through the spraying opening. According to the utility model, the rotatable spray header is arranged in the tank body, and the spray header is driven to rotate through counter-acting force in the process of spraying an absorbent by the spray header, so that the absorbent sprayed by the spray header can fully fill the area inside the tank body, and gas methanol can be fully contacted with the absorbent.
Owner:HUNAN HENGYANG JINYI TECHNOLOGY CO LTD

Anode target disk welding structure and anode target disk preparation method

The application relates to an anode target disc welding structure and an anode target disc preparation method. The anode target disc welding structure comprises a ring-shaped base, a ring-shaped base body and solder. Two stop portions are recessed on one side of the ring-shaped surface of the ring-shaped base. A raised ring is formed between the two stop portions, and the surface of the raised ring is provided with a plurality of spaced grooves. The ring-shaped base body is located on one side of the ring-shaped base close to the stop portions. Two stop rings are protruded on the ring-shaped surface of the ring-shaped base body close to the ring-shaped base, and a containing groove is formed between the two stop rings. The containing groove corresponds to the raised ring and can accommodate the raised ring. The ring-shaped base body and the ring-shaped base have a preset containing space. The solder is located on the raised ring. The volume of the solder is not less than the volume of the preset containing space. The application can improve the connection strength and stability between the ring-shaped base and the ring-shaped base body, thereby improving the stability and reliability of the anode target disc work.
Owner:WUHAN UNITED IMAGING HEALTHCARE CO LTD

Improved method for producing reconstituted bamboo

The application belongs to the technical field of bamboo processing, and particularly relates to a preparation method of improved reconstituted bamboo, wherein the defibrated bamboo bundle is stepwise impregnated by preparing etherified melamine formaldehyde resin and modified phenolic resin. First, the bamboo bundle is impregnated by the etherified melamine formaldehyde resin with small molecular size, low viscosity and good water solubility, so that the etherified melamine formaldehyde resin can deeply enter the cell wall and the inner part of the micropore of the bamboo, fully fill the pores and block the hydrophilic channels, and meanwhile, the mildewproof agent is uniformly delivered to the inner part of the bamboo. Further, the bamboo bundle is impregnated by the phenolic resin with large molecular size and modified by flexible sugar ring units, so that the phenolic resin can be enriched on the surface of the bamboo bundle and the bonding interface, a flexible bonding layer is formed, the flexible molecular chain can buffer the residual stress of the interface, the bonding layer flexibility and the bonding strength of the bamboo bundle are improved, and the structural stability of the reconstituted bamboo during long-term use is further ensured.
Owner:NANJING FORESTRY UNIV +1

A preparation method and application of aluminum honeycomb reinforced polyimide rigid foam

PendingCN122277982Ahigh strengthSynergistic improvement of mechanical propertiesPolymer scienceThermal insulation
This invention relates to the field of polymer materials technology, specifically to a method for preparing and applying a rigid polyimide foam reinforced with aluminum honeycomb. The method for preparing the rigid polyimide foam reinforced with aluminum honeycomb provided by this invention includes steps such as surface pretreatment of the aluminum honeycomb core material and fixing the pretreated aluminum honeycomb core material into a molding die. The rigid polyimide foam material reinforced with aluminum honeycomb obtained by this invention not only possesses high specific strength and high specific stiffness, but also inherits the excellent properties of polyimide foam such as high temperature resistance, flame retardancy, low smoke, and thermal insulation. The introduction of the aluminum honeycomb skeleton also improves the material's impact resistance and dimensional stability, making it an ideal multifunctional integrated lightweight structural material with promising application prospects.
Owner:ZIGONG ZHONGTIANSHENG NEW MATERIAL TECH CO LTD

A roadbed maintenance and pavement crack sealing device

This utility model relates to the field of highway maintenance equipment, and in particular to a roadbed maintenance pavement crack sealing device. It includes a base plate with a crack sealing mechanism on top and a position adjustment mechanism located on one side of the base plate. The position adjustment mechanism includes a first sliding plate slidably connected to one side of the base plate, with a first lead screw threadedly connected to its center. The distance between two adjusting rods located at the top of a telescopic tube is adjusted by moving two second sliding plates, thereby driving the connecting frame to move vertically downwards. This allows the telescopic tube to penetrate deep into the crack while maintaining its vertical position and preventing bending. When encountering wider cracks, the first sliding plate moves the telescopic tube within the crack, eliminating the need to move the sealing device along the front and back sides. This allows for adjustment of the telescopic tube's position according to the crack's width and depth, ensuring thorough crack filling and improving the quality of crack repair.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Method for preparing Al-Al2O3-TPU mixed corrosion-resistant coating through low-pressure cold spraying and application of Al-Al2O3-TPU mixed corrosion-resistant coating

The invention provides a method for preparing an Al-Al2O3-TPU (Thermoplastic Polyurethane) mixed corrosion-resistant coating through low-pressure cold spraying, which comprises the following steps: carrying out surface treatment on a base material, and sequentially grinding, polishing, cleaning, drying and sandblasting to obtain a base material to be sprayed; the preparation method comprises the following steps: mechanically mixing Al powder, Al2O3 ceramic particles and thermoplastic polyurethane (TPU) powder to obtain cold spraying prefabricated powder; and the cold spraying prefabricated powder is subjected to low-pressure cold spraying to a to-be-sprayed base material, after the coating is cooled and cured, polishing and correction are conducted, and the Al-Al2O3-TPU mixed corrosion-resistant coating is obtained. The prepared coating is good in compactness and uniformity, has good mechanical performance and corrosion resistance, can be applied to the ocean engineering environment and can resist seawater scouring and corrosion.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY

A prestressed anchor rod

The application relates to the technical field of building foundation construction, in particular to a prestressed anchor rod, which comprises a hollow anchor rod body, a backing plate, a connecting piece, a swelling shell anchoring piece and an exhaust pipe. The hollow anchor rod body is arranged in a rock stratum hole, the end of the rock stratum hole far from the hole mouth is an output end, and the other end is an input end. The swelling shell anchoring piece is arranged at one end of the hollow anchor rod body close to the output end. The connecting piece is detachably arranged at one end of the hollow anchor rod body close to the input end. The backing plate is arranged on the hollow anchor rod body, the connecting piece is pressed against the front surface of the backing plate, the back surface of the backing plate is pressed against the hole wall of the rock stratum hole, one end of the exhaust pipe is connected into the rock stratum hole, and the other end extends outward. A cement grouting layer is further arranged in the rock stratum hole. The prestressed anchor rod can meet the supporting capacity and improve the installation convenience.
Owner:GUANGDONG NO 2 HYDROPOWER ENGINEERING COMPANY LTD

A waterproofing membrane and method of construction thereof

ActiveCN119459096BBlock leakage pathsevenly dispersedAdhesiveClassical mechanics
The present application relates to waterproof construction technology field, specifically to a kind of waterproof roll and its construction method.The waterproof roll includes roll body, and roll body is equipped with first connecting portion and / or second connecting portion;First connecting portion is connected with the second connecting portion of adjacent waterproof roll, and second connecting portion is connected with the first connecting portion of adjacent waterproof roll;First connecting portion includes first base material, at least two insertion slots in first base material and recess between adjacent two insertion slots, and second connecting portion includes second base material, at least two insertion parts in second base material and convex part between adjacent two insertion parts, the depth direction of insertion slot and recess is parallel to the thickness direction of roll body, insertion slot and insertion part are connected with stopper, recess and convex part are connected with stopper;Recess bottom and the top surface between convex part are equipped with adhesive layer, and adhesive layer is the structure layer that metal dense net and adhesive are made into by electromagnetic induction welding.
Owner:CNNC HUACHEN CONSTR ENG CO LTD

Circuit board heat dissipation assembly, preparation method thereof and energy storage system

The present application relates to the technical field of energy storage, in particular to a circuit board heat dissipation assembly, a preparation method thereof, and an energy storage system, the circuit board heat dissipation assembly comprising a circuit board, a frame, a heat-conducting glue, and a functional component; the circuit board has a heat dissipation area and a connecting area, and the connecting area is arranged around the heat dissipation area; the frame is formed with a heat dissipation cavity; the functional component covers a first open end of the heat dissipation cavity, the circuit board is arranged in the frame through the connecting area to cover a second open end of the heat dissipation cavity, and the heat dissipation area is communicated with the heat dissipation cavity; the heat dissipation area is provided with a glue pouring hole and a glue overflow hole communicated with the heat dissipation cavity; the heat-conducting glue is configured to be injected into the heat dissipation cavity through the glue pouring hole when in a liquid state and solidified, and the heat-conducting glue is fixed to the heat dissipation area and the functional component, respectively. Through the arrangement of the frame and the heat-conducting glue, a heat conduction path is formed between the circuit board and the functional component, heat generated by the circuit board or the functional component can be efficiently conducted and dissipated through the heat-conducting glue, and the operation reliability of the circuit board and the functional component is ensured.
Owner:SHENZHEN POWEROAK NEWENER CO LTD

Pouring tool for super-long CS coil

The utility model discloses a pouring tooling of super-long type CS coil, including mould core, frame subassembly, bottom plate and top plate, frame subassembly dismountably set up in the periphery of mould core, bottom plate and top plate set up in mould core and frame both ends, mould core includes a plurality of sub-mould core, first locating piece and second locating piece, the plurality of sub-mould core is distributed in the annular shape, the first locating piece is located in the first locating piece, and the second locating piece is located in the second locating piece. The mutual contact surfaces of every two adjacent sub-mold cores are inclined surfaces, the plurality of sub-mold cores are encircled to form a main mold core, the first positioning block and the second positioning block are arranged at the two ends of the main mold core, the first positioning block penetrates through the bottom plate, and the second positioning block penetrates through the top plate. The mold core is arranged to be of a detachable structure and comprises the sub-mold cores, the first positioning block and the second positioning block, the contact faces of the sub-mold cores are all inclined faces, through cooperation of the inclined faces, friction force is reduced, the demolding process is smoother, demolding convenience is greatly improved, and meanwhile the risk that a coil is damaged due to demolding is reduced.
Owner:SHANGHAI KELIN TECH DEV CO LTD

Multi-level battery system nuclear capacity control method for power frequency modulation energy storage station

The invention discloses a multi-level battery system nuclear capacity control method for an electric power frequency modulation energy storage station, and the method aims at the energy storage station which comprises a plurality of transformers, a plurality of energy storage containers hung below each transformer, and a plurality of PCS groups and parallel battery cabinets arranged in each container. The method comprises an energy storage container level capacity checking mode and / or a battery cabinet level capacity checking mode, and capacity checking is achieved by selecting an even number of energy storage containers to carry out internal energy mutual dragging in an energy storage container level; in the battery cabinet layer, an even number of battery cabinets are selected to carry out internal energy mutual dragging so as to realize capacity checking; meanwhile, a one-by-one cut-off charging and discharging control strategy of the direct-current side parallel battery pack is also provided. According to the method, the SOC accumulated deviation caused by long-term frequency modulation operation is effectively solved, the capacity evaluation accuracy is improved, the minimum interference on the frequency modulation service in the capacity checking process is realized, and the system availability rate is remarkably improved.
Owner:VILION (SHENZHEN) NEW ENERGY TECH CO LTD

A food processing dosing bagging apparatus

The utility model relates to food processing technical field discloses a kind of food processing quantitative bagging equipment, comprising: the bottom plate of supporting main body, the top rear side of the bottom plate is fixedly connected with support plate, the inner wall of the support plate is rotatably connected with rotating rod, the opposite end of the rotating rod is fixedly connected with electronic scale, the left end of left side support plate is fixedly connected with protection box, the front end of the protection box is fixedly connected with first motor, the rear end of the first motor is provided with transmission assembly, the top of the bottom plate is fixedly connected with support frame, the inner wall of the support frame is fixedly connected with discharging box.In the utility model, the food is weighed by being placed on the electronic scale, the first motor drives the worm at this time, the worm drives the worm wheel, the worm wheel drives the rotating rod, the rotating rod drives the electronic scale, the electronic scale drives the food to fall into the discharging box and then into the packaging bag, so that the weight of the material in each packaging bag can be consistent, and the product quality and consistency are improved.
Owner:SICHUAN LOVE RABBIT FOOD CO LTD

Forming die for an energy-saving anti-kink edge refrigerator door seal

ActiveCN224738653Uavoid churnblock flow
This utility model provides a molding die for an energy-saving, anti-tangle refrigerator door seal, relating to the field of refrigerator door seal molding technology. It includes: a fixed base plate; grooves at both ends of the fixed base plate; and a heating mold shell fixedly installed in the middle of the fixed base plate. By using two mold frames in conjunction with a sealing plate to effectively block and restrict the material in the door seal groove, material loss is prevented. The opposing mold frames and sealing plate form a tightly closed space, completely preventing material from flowing to non-target areas and avoiding uneven filling due to material loss. The closed mold automatically presses down to compress and shape the material in the door seal groove. In this closed environment, pressure can be evenly transmitted to the entire material, solving the problem that refrigerator door seal material needs to be injected into the door seal groove for compression molding, thus requiring mold frames and sealing plates to automatically seal the material in the door seal groove, otherwise the material in the door seal groove will leak during the molding process.
Owner:SUZHOU WEIYE ELECTRICAL FITTINGS CO LTD

A process for manufacturing a heat-dissipating circuit board with inlaid copper pillars and an article thereof

The application discloses a preparation process of a heat-dissipating circuit board with inlaid copper columns and a product thereof, and comprises the following steps: (1) drilling; (2) copper plating; (3) placing copper columns and plating copper again. The application provides a preparation process of a heat-dissipating circuit board with inlaid copper columns and a product thereof, wherein holes are drilled in the area of the circuit board that needs heat dissipation, the hole wall is made conductive by copper plating, and copper columns are inlaid to achieve excellent heat-dissipating effect. The application adopts hole-filling electroplating technology to make the gap filling more sufficient by optimizing the process flow, and the adhesion between the copper column and the copper base material is not realized by glue but by electroplated copper adhesion.
Owner:JIANGSU HEHONG ELECTRONICS CO LTD

An assembling device for industrial robot bearing machining

PendingCN122523377AEasy to fillevenly filled
The application relates to the technical field of bearing machining, and discloses an assembling device for industrial robot bearing machining, which comprises a machine table, a rotary placing seat is rotationally connected to the machine table, a grease injection seat and a placing table are respectively slidably connected to the machine table, a rotary plug is rotationally connected to the grease injection seat, a movable sealing gland is arranged above the machine table, a plurality of piston cylinders are arranged on the sealing gland, exhaust holes are arranged in the upper ends of the piston cylinders, piston sheets are slidably connected in the piston cylinders, and a movable annular moving frame is arranged on the sealing gland; in the application, air resistance is reduced during grease injection, uniform filling of lubricating grease is ensured, a small amount of grease injection is not needed, time and labor are saved, convenience and speed are achieved, pressure can be applied through a press-fitting block, two sealing covers can be simultaneously press-fitted on the two ends of a bearing, the press-fitting efficiency is improved, the working hours during bearing machining are reduced, and the machining efficiency is improved.
Owner:NINGBO LINDA BEARING CO LTD

Double-seal valve

The utility model belongs to the technical field of valves, and particularly relates to a double-seal valve which comprises a shell. A sealing assembly is arranged in the middle of the shell; the middle part of the shell is in contact with a sealing cover; a sealing groove is formed in the side wall of the sealing cover; the middle part of the shell is fixedly connected with a sealed air bag; the sealing air bag is in contact with the inner wall of the sealing groove; the side wall of the sealing cover is fixedly connected with a fixed cylinder; the inner wall of the fixed cylinder is in threaded connection with a threaded rod; the outer wall of the threaded rod is rotationally connected with a hinge ring. A connecting plate is hinged to the end part of the hinge ring; a fixed block is hinged to the end part of the connecting plate; the side wall of the fixed block is fixedly connected with an arc-shaped plate; the arc-shaped plate is connected to the side wall of the sealing cover in a sliding mode, the shell and the sealing cover form a sealing assembly through the arranged protection shell, the valve does not need to be overall disassembled during disassembly, and convenience and rapidness are achieved. Meanwhile, the fixing cylinder, the connecting plate and other parts are matched with one another, the cover plate can be rapidly detached, multiple sets of bolts do not need to be screwed, and operation convenience is further improved.
Owner:SICHUAN KAIDELONG METAL TECHNOLOGY CO LTD

Belt composite structure based on shoulder delamination

PendingCN122501087Afully filledReduce nest gas
The application relates to the technical field of radial tires, and discloses a belt layer composite structure based on shoulder delamination, which comprises a first belt layer, a second belt layer, a third belt layer and a 0-degree belt layer arranged on a tire; the second belt layer is provided with an adhesive material, and the 0-degree belt layer is arranged above the second belt layer through the adhesive material. The belt layer composite structure based on shoulder delamination changes the proportional size relationship of the control width C2, the thickness C0, the difference level AB02 and the thickness C1, realizes rational distribution design of the second belt layer, the 0-degree belt layer and the crown rubber material, guarantees full material filling, reduces air pocket above the second belt layer endpoint, simultaneously increases the thickness of the adhesive material, protects the full adhesion of the belt layer end part with the material, delays and reduces the damage and extension of the belt layer end part, so that the probability of early damage of the tire is reduced, and the durability and overall performance are improved.
Owner:GITI RADIAL TIRE (ANHUI) CO LTD

System for automatically compensating glue amount according to seam width

The utility model discloses a system for automatically compensating glue amount according to seam width. The system comprises a PC industrial personal computer, an electronic scale, a 3D line laser, a motion control board card, a driver and a shafting motor, the PC industrial personal computer is in communication connection with the electronic scale, the 3D line laser and the motion control board card; the electronic scale is in communication connection with the PC industrial personal computer, the 3D line laser is in communication connection with the PC industrial personal computer, the motion control board card is in communication connection with the PC industrial personal computer and the driver, and the driver is in communication connection with the shafting motor. According to the utility model, the speed of the dispensing shaft system can be adjusted according to the actual seam width to automatically compensate the glue amount, so that the seam is fully filled with the glue, and the bonding strength and the sealing property of a product are improved; the glue dispensing requirements of different seam widths are met, and the flexibility and adaptability of the glue dispensing system are enhanced; and the precision is high, the glue amount is accurately controlled, the product yield is improved, the automation degree is high, manual intervention is reduced, and the working efficiency is improved.
Owner:SHENZHEN AXXON AUTOMATION

Manufacturing method of high heat dissipation efficiency potting type driving transformer

The application discloses a manufacturing method of a high-heat-dissipation-efficiency pouring type driving transformer, and belongs to the technical field of power electronic equipment manufacturing. The method aims to solve the technical problems of low heat dissipation efficiency and insufficient long-term reliability of the existing driving transformer caused by the limited heat conduction performance of the pouring material, the simple surface heat dissipation structure and the difficult coordination of internal thermal stress. The method comprises the following steps: constructing a three-dimensional digital model of a reinforced heat dissipation structure with a boss array and a groove array and preparing a corresponding forming die; positioning a magnetic core and a winding as an insert in a die cavity; pouring insulating colloid with different mechanical and heat conduction properties in batches in a vacuum environment; through a segmented curing process, the flexible colloid is fully filled in the internal gap and buffers the stress, and at the same time, the high-heat-conduction rigid colloid forms an external main body and a heat dissipation structure, thereby forming an integrated pouring body. The method is used for manufacturing the driving transformer suitable for high-power-density and high-heat-dissipation scenes, and can significantly improve the heat dissipation capacity and operation reliability of the driving transformer.
Owner:BEIJING HAOHAI XUHUI TECHNOLOGY CO LTD

Magnesium-lithium alloy cabin structure member and forming method thereof

This invention discloses a magnesium-lithium alloy cabin structure component and its forming method, belonging to the field of magnesium-lithium alloy forming technology. The method includes the following steps: S1. Pre-treatment of the magnesium-lithium alloy ingot, followed by free forging or extrusion to obtain a billet; S2. Die forging the billet and air-cooling it to room temperature to obtain a forging; S3. Holding the forging at 270~290℃ for 4~6 hours, then quenching it in cold water and performing T5 heat treatment; finally, aging strengthening by holding it at 180~220℃ for 8~12 hours. The forming method of this invention improves product uniformity through pre-treatment and enhances product strength and toughness through heat treatment. This forming method has broad application prospects and is expected to be industrialized.
Owner:CHANGSHA ADVANCED MATERIALS IND RES INST CO LTD

A silicate colloid for high solids content and high modulus composite fireproof glass and its preparation method

This invention discloses a silicate colloid for high-solids-content, high-modulus composite fire-resistant glass and its preparation method, relating to the field of composite fire-resistant glass technology. Specifically, it describes a silicate colloid for high-solids-content, high-modulus composite fire-resistant glass and its preparation method. The colloid, by weight percentage, comprises a silicon source, water, glycerol / ethylene glycol / polyethylene glycol / polyglycerol, water-soluble organic acids and salts, water-soluble metal oxides or hydroxides, and alkali metal hydroxides, wherein the solids content is 60-75% and the modulus is 4.0-5.5. The preparation method includes: uniformly mixing the silicon source, water, additives, and functional additives, then adding alkali metal hydroxides, reacting at 50-90°C to obtain a prepolymer solution, followed by vacuum degassing. The viscosity is adjusted to the desired range by controlling the reaction conditions. This prepolymer solution is suitable for pouring or coating processes. After curing, the colloid forms a fire-resistant glass core layer. The resulting fire-resistant glass has advantages such as high light transmittance, ultra-thinness, dense foaming, low-temperature resistance, high weather resistance, and long lifespan.
Owner:SUZHOU POLIMA MACROMOLECULE MATERIAL CO LTD

A method for preparing a high toughness and strong wear-resistant WC-Co coating

The application relates to a preparation method of a high-toughness and strong-wear-resistant WC-Co coating and belongs to the technical field of thermal spraying cermet coating. Firstly, slurry mixed with WC powder, Co powder and an organic binder solution is sprayed and granulated to prepare spherical powder, then low-temperature heat treatment is carried out to obtain spherical WC-Co powder with certain cohesive strength, the spherical WC-Co powder is mechanically mixed with fine-particle boron nitride powder, high-temperature heat treatment is carried out above the eutectic point of WC-Co, WC-Co powder is separated through airflow classification, the powder after high-temperature heat treatment is deposited on the surface of a metal base through supersonic flame spraying, and a strong-wear-resistant WC-Co coating with nanocrystalline Co can be obtained. The application technology converts amorphous Co in a traditional coating into nanocrystals, improves the toughness of the coating and does not reduce the hardness of the coating.
Owner:BEIJING UNIV OF TECH

A resin-encapsulated explosion-proof sensor

This invention relates to the field of explosion-proof sensor technology and discloses a resin-encapsulated explosion-proof sensor. The sensor comprises: a cavity formed by combining the gas collecting hood cover and the gas collecting hood base; a gas-sensitive detection component, an expansion isolation component, and a secondary fast-sealing component sequentially installed from top to bottom within the cavity; the gas-sensitive detection component for real-time detection of hydrogen content in the air; and the expansion isolation component, through rapid filling with expansion material, achieving rapid gas isolation within the cavity via physical properties, thus providing a safe early warning effect. When the hydrogen concentration within the sensor's gas collecting hood exceeds the standard, the expansion material in the liquid bladder is triggered and rapidly expands. Because the liquid bladder is installed in a specific position, the expanded material quickly fills the surrounding space, separating the gas-sensitive detection cavity from the hydrogen and preventing further hydrogen diffusion, thereby achieving the function of rapid gas isolation and providing a safe early warning effect.
Owner:ZHEJIANG GUWEI TECH CO LTD

A compact micro-bubble air floatation device for removing oil from oil and gas field production water

ActiveCN116282750BRealize reciprocating movementExpand the range of jet bubblesWaste water treatment from quariesFatty/oily/floating substances removal devicesOil and greaseMechanical engineering
The application discloses a compact micro-bubble air floatation device for removing oil from oil and gas field production water, and belongs to the technical field of micro-bubble air floatation machines, which comprises a main tank body, wherein an oscillating assembly and a cleaning assembly are arranged in the main tank body, a main rotating shaft is rotationally connected to the main tank body through a bearing, the main rotating shaft is in transmission connection with the oscillating assembly and the cleaning assembly, and a solid-removing assembly is fixedly connected to the bottom of the main tank body. In the application, the oscillating assembly is arranged, the main rotating shaft drives a plurality of extrusion blocks to rotate through a connecting ring, the extrusion blocks drive a sliding rod to make a reset movement in cooperation with a reset spring, thereby realizing the reciprocating movement of the sliding rod, the sliding rod drives the baffle to reciprocate, the baffle drives the high-pressure spray pipe to reciprocate through a connecting rod, thereby expanding the range of the high-pressure spray pipe for spraying bubbles, enabling the bubbles to more fully fill the main tank body, and enabling the bubbles to more comprehensively adhere to oil and grease impurities, thereby improving the oil removal efficiency.
Owner:RICHFORM ENGINEERS & CONSTRUCTORS (TIANJIN) LTD

A molding device for automobile foot mat

ActiveCN224738659Ufully filledAccurate contour
The application relates to the technical field of automobile foot mat processing equipment, and discloses a die forming device for an automobile foot mat, which comprises a bottom box, a top plate arranged above the bottom box, a concave die seat arranged at the top of the bottom box, a forming mechanism arranged on the top plate, a same back plate fixedly installed at the rear side of the top plate and the rear side of the bottom box, a piston cylinder fixedly installed on the inner wall of the bottom box bottom, and a piston mechanism arranged in the piston cylinder. The application has the following advantages and effects: the piston mechanism and the ejection mechanism are arranged, the piston plate can be driven to move upwards when the hydraulic cylinder output shaft is contracted after die forming, high-pressure gas can enter the hollow seat through the inflation pipe, and the high-pressure gas can be blown upwards through the air pipe, the generated air pressure can drive the supporting plate to move upwards against the spring elastic force, the formed foot mat can be ejected from the concave die seat, the foot mat can be separated from the die cavity, and the purpose of manual or mechanical arm material taking is achieved.
Owner:XIANGYANG FUHUANG VEHICLE TRIMS CO LTD