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195results about How to "Improve dustproof" patented technology

LED lighting lamp device stable in installation

ActiveCN106871016AAchieving operational stabilityEnables automatic locking installationGas-tight/water-tight arrangementsLight fasteningsEngineeringMechanical engineering
The invention discloses an LED lighting lamp device stable in installation. The LED lighting lamp device comprises an upper lamp body and a lower lamp body. A containing groove is formed in the bottom in the upper lamp body. First sliding grooves are symmetrically formed in the top in the containing groove left and right. A partition plate extending downwards is arranged between the two first sliding grooves. A downward extending section of the partition plate stretches into the containing groove. The parts, on the sides where the first sliding grooves are away from the partition plate, of the upper lamp body are internally provided with first cavities. The first cavities are internally provided with rotating shafts. Each first sliding groove is internally provided with a first screw in threaded connection with a push lock sliding block. The inner sides of the first screws are in power connection with a motor. First bevel gears are fixed to the rotating shafts in the circumferential direction. The upper portions of the first bevel gears are engaged and connected with second bevel gears. The parts, above the first cavities, of the upper lamp body are internally provided with second cavities. Second sliding grooves are formed in the inner sides of the second cavities. Second screws are arranged in the second cavities. The bottoms of the second screws penetrate the upper lamp body and are fixedly connected with the second bevel gears, and the second screws in the second cavities are in threaded connection with movable blocks.
Owner:盐城中咏投资发展有限公司

Sawblades in couple

The invention discloses a double saw blades, which consists of a first saw blade which rotates around the axes and a second saw blade which rotates reversely around the axes. Every saw blade has a saw blade body and a cutting element arranged on the surrounding of the saw blade body. Two saw blades approach in parallel each other in rotating state. The invention is characterized in that an interval piece which guarantees the corresponding rolling and the gap of two saw blades is arranged between two saw blades. Because the double saw blades of the invention adopt the rolling distance piece, therefore, the friction loss is greatly decreased and the working efficiency is improved. The product is convenient to installation and replaced, thereby prolonging the life-span of product.
Owner:郭一文

High-thermal-conductivity organosilicone mud and preparation method thereof

The invention discloses a high-thermal-conductivity organosilicone mud. The high-thermal-conductivity organosilicone mud is prepared from the following raw materials: 100 parts of silicone oil and 1000-1200 parts of heat-conducting powder filler in parts by weight, 0.5-1wt% of plasticizer and 1-3wt% of powder surface treating agent in terms of the heat-conducting powder filler, and 1-3wt% of cross-linking agent, 5-10wt% of high temperature resistant pigment and 0.01-0.015wt% of platinum catalyst in terms of the silicone oil. Besides, the invention also discloses a preparation method of the high-thermal-conductivity organosilicone mud. The high-thermal-conductivity organosilicone mud product has the advantages of high thermal conductivity, stable heat transfer property, excellent high temperature resistance, plasticity just as plasticine and the like; the preparation method of the high-thermal-conductivity organosilicone mud is simple; a better thermal-conductivity solution way can be provided for electronic heating components and radiating or other cooling devices.
Owner:GUANGZHOU BAIYUN CHEM IND

Aqueous colored transparent heat insulation coating, and preparation method and use method thereof

The invention discloses an aqueous colored transparent heat insulation coating, and a preparation method and a use method thereof. The aqueous colored transparent heat insulation coating is composed of a water-soluble hydroxy acrylic resin, an aqueous nanometer antimony-doped tin dioxide (ATO) slurry, an aqueous nanometer hydrotalcite slurry, an amino resin, an aqueous color paste, a film forming assistant, deionized water, a dispersant, a wetting agent, a pH adjusting agent, an antifoaming agent, an anti-settling slurry, a thickening agent, an adhesion accelerant and a leveling agent. The preparation method is characterized in that above substances are mixed under specific conditions to obtain the coating. The use method is characterized in that the addition amount of the amino resin is 4-8wt% when the coating is used as a single-component baking varnish; and the addition amount of the amino resin is 0 when the coating is used as a two-component air-dried paint. The coating has the advantages of very good adhesion, high hardness, excellent ageing resistance and good heat insulation effect on the surfaces of glass, plastic films and the like.
Owner:肇庆千江高新材料科技股份公司

Stock feeder for woodworking equipment

A stock feeder for woodworking equipment includes a base, a cross clamp, a horizontal bar unit, a vertical bar unit, a feeding unit, and an electrical unit. The electrical unit has an electrical unit main body and a variable-frequency drive. The electrical unit main body has a first housing, a plurality of heat dissipation grooves provided on the outer periphery of the first housing, and a power fan which is independently mounted on a top portion of the first housing and in communication with the heat dissipation grooves. The variable-frequency drive has a second housing, a variable-frequency circuit sealed in the second housing, and a control panel exposed outside the second housing. The second housing has an outer surface provided with a plurality of heat dissipation slots corresponding in position to and in communication with the heat dissipation grooves of the electrical unit main body.
Owner:HSIUNG TAI YUAN

Enclosed battery box for active heat management of electric vehicle

The invention belongs to the field of electric vehicles, and discloses an enclosed battery box for active heat management of an electric vehicle. The enclosed battery box comprises a battery box body, and a semiconductor chilling plate, an internal fin, a fan, a battery management system and a battery pack which are arranged in the battery box body, wherein the battery box body is an enclosed box body, the fan is arranged at one side of the internal fin; the semiconductor chilling fin is fixed on the inner side wall of the battery box body and connected with the internal fin; the battery management system is used for controlling working states of the fan and the semiconductor chilling plate in real time according to a temperature, which is monitored by the battery management system, in the battery pack, so as to realize active heat management. According to the enclosed battery box, the structure of an existing battery system is not changed, simple switching of a heating manner and a refrigerating manner of the battery pack inside the battery box of the electric vehicle can be realized, relatively high dustproof and waterproof grades can be realized; the battery box has an active heat management control strategy; a heating component and a refrigerating component for a power battery pack are simple and convenient to mount, and the price is low.
Owner:CHINA NORTH VEHICLE RES INST

Infusorial earth environment-friendly interior wall decoration polyurethane synthetic leather and production method thereof

The invention discloses infusorial earth environment-friendly interior wall decoration polyurethane synthetic leather and a production method thereof. The synthetic leather comprises base cloth, a waterproof agent layer which is coated on one side of the base cloth and a waterborne polyurethane layer which is coated on the waterproof agent layer and contains infusorial earth, wherein the waterborne polyurethane layer containing the infusorial earth comprises, by weight, 100 parts of waterborne polyurethane, 1-20 parts of anti-settling agent, 1-20 parts of ricinate, 50-300 parts of infusorial earth and 1-50 parts of waterborne pigment paste. According to the synthetic leather and the production method, the used raw materials are environment-friendly materials, the produced infusorial earth environment-friendly interior wall decoration polyurethane synthetic leather has good durability, feels comfortable, is elegant in appearance, can be widely applied to interior wall decoration of upscale wine-shops and hotels, fashionable Karaok telsvision (KTV), senior clubs, senior villas or mansions, and has great market prospect.
Owner:HUAFON MICROFIBER SHANGHAI

Electrical cable connector assembly with dustproof means

An electrical cable connector assembly (1) includes a casing (10), an electrical connector (20) received in the casing (10), a cable (30) connecting with the electrical connector (20) and dustproof means (50). The electrical connector (20) defines a mating portion (21) protruding out of the casing (10) at distal end thereof, the dustproof means (50) includes a lid (51) mounting on the front end of the casing (10) and covering the mating portion (21) of the electrical connector (20), an engaging portion (54) for positioning the dustproof means (50) and a connecting portion (53) connecting with the lid (51) and the engaging portion (54). The casing (10) defines a matching portion (1030) to mate with the engaging portion (54).
Owner:HON HAI PRECISION IND CO LTD

Electric connector suitable for new energy automobile

The invention belongs to the technical field of electric connectors, in particular to an electric connector suitable for a new energy automobile. The electric connector comprises a plug and a joint. One end of the plug is connected with an input wire. One end of the joint is connected with an output wire. The plug comprises a first housing body and a second housing body. The first housing body isin the shape of a cylinder. An inward flange is arranged on one end, away from the second housing body, of the first housing body. Multiple insertion holes are uniformly distributed in the flange. Anannular step, a first annular protrusion and a second annular protrusion are left-right successively arranged on the side wall of the second housing body. One end, away from the output wire, of the second housing body is connected with multiple insertion pin grooves. Insertion pins are fixed in the insertion pin grooves. A spring, a first annular plate, a second annular plate, an annular piece andmultiple insertion rods sleeve the outer side of the annular step, so a linkage mechanism is formed. The electric connector is advantageous in that through combination of the circumferential sealingand axial sealing, the dustproof and waterproof performance of the electric connector is effectively improved and long-term and stable operation of an automobile electrical appliance is ensured.
Owner:泉州市冠力机械制造有限公司

Electrical cabinet with fire extinguishing and cooling functions

The invention discloses an electrical cabinet with fire extinguishing and cooling functions. The invention belongs to the field of firefighting, the invention discloses the electrical cabinet with fire extinguishing and cooling functions, according to the scheme, when open fire occurs outside the electrical cabinet, the open fire burns outside a glass tube; the carbon dioxide gas in the glass tubeexpands to cause the glass tube to burst; a strip-shaped limiting block enables the fixed plate to stably slide downwards through balls in a limiting groove; a storage bag is extruded by a pressing plate through the fixing plate; a needle punctures the storage bag and penetrates through a foaming agent and a separation membrane; the foaming agent, aluminum sulfate and a sodium bicarbonate solution are mixed to generate a large amount of foam and carbon dioxide, the foam and carbon dioxide are ejected out of a discharge hole, and therefore, the open fire is covered; when the fixing plate encounters the open fire and generates high temperature, a PVC film encounters the high temperature and melts, so that inorganic salt in a T-shaped barrel falls into a reaction cavity, the inorganic salt and water in the reaction cavity are mixed and react to generate a heat absorption phenomenon, and the outer wall of the electrical cabinet is cooled.
Owner:安徽瑞华电气有限公司

Rolling bearing sealing element and rolling bearing sealing structure

The invention discloses a rolling bearing sealing structure, belonging to a rolling bearing. Aiming at the disadvantage of difficult manufacture of the existing sealing element, the structure of the invention is characterized in that at least one end of the two ends of an inner ring is provided with an exposed inclined surface; the inner edge of the sealing element forms at least two parallel annular sealing bulged ribs; each sealing bulged rib is provided with at least a notch; the notches on the two adjacent sealing bulged ribs are staggered at a certain angle on the circumference; and the annular sealing bulged ribs contact with the exposed inclined surface so that the sealing match of the sealing element and the inner ring is realized. The invention has the advantages that the dimension of the annular sealing bulged ribs is small; the requirements of low operation friction, low abrasion, low temperature rise, high limit rotating speed and good sealing property are realized; the notches on the two adjacent sealing bulged ribs are staggered at a certain angle on the circumference, thus the routes of the dust entry and the grease leakage are prolonged and the reliable sealing is realized; and the sealing element structure that the notches are formed on the sealing bulged ribs is conveniently manufactured through a mould.
Owner:陈炳顺

Card-searching method for non-contact intelligent card reader

The disclosed query method for a non-contact smart card reader comprises: usually, the reader is on sleep state with very-low power, and auto sends query carrier-wave signal periodically; if there is card in range, the reader starts to read and complete operation; or else, back to sleep state. This invention saves energy and improves security.
Owner:SHANGHAI HUAHONG INTEGRATED CIRCUIT

Casing component of terminal and terminal

The invention provides a casing component of a terminal and the terminal. The casing component comprises a front cover, a diaphragm and a flexible circuit board. A surrounding bone which extends in the circumferential direction is arranged on the front cover. The diaphragm is opposite to the front cover, and the diaphragm is attached to the free end of the surrounding bone through a sealing adhesive layer to define an isolation chamber with the front cover and the surrounding bone. A part of the flexible circuit board is sandwiched between the diaphragm and the surrounding bone, and is fixed by the sealing adhesive layer. According to the casing component of the terminal, a part of the flexible circuit board is sandwiched between the diaphragm and the surrounding bone; the flexible circuit board is fixed between the diaphragm and the surrounding bone through the sealing adhesive layer; the isolation chamber is configured as a sealed chamber to prevent impurities such as liquid, dust and the like from entering the isolation chamber and contacting components in the isolation chamber; waterproofing and dustproofing effects of the casing assembly are enhanced; waterproofing and dustproofing performances of the terminal are enhanced; and the practicality is enhanced.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Ventilation plug

The embodiment of the invention relates to the technical field of car ventilation devices, and provides a ventilation plug which can improve dust and water resistance. The ventilation plug comprises a plug cap and a plug body with a vent hole, the vent hole is a through hole penetrating through the two ends of the plug body, the plug cap is arranged at one end of the plug body in a covering mode, a cavity is formed between the plug cap and the plug body and communicated with the vent hole, and the plug cap can move along the outer surface of the plug body in a reciprocating mode. A sealing piece is arranged between the side wall of the plug cap and the plug body, and when the plug cap moves along the outer surface of the plug body, the sealing piece can move along with the plug cap to enable the cavity to be always isolated from the outside. The ventilation plug is used for a car component with a sealed space.
Owner:HYCET TRANSMISSION TECH HEBEI CO LTD

Dustproof and bactericidal type aqueous coating material for glass doors and preparation method thereof

The invention discloses a dustproof and bactericidal type aqueous coating material for glass doors. The dustproof and bactericidal type aqueous coating material is characterized by being prepared from the following raw materials in parts by weight: 34-38 parts of aqueous polyurethane resin, 28-34 parts of acrylic epoxy resin, 8-12 parts of modified styrene-acrylic emulsion, 0.4-0.8 part of polyvinyl alcohol, 1-3 parts of diethylene glycol monoethyl ether, 0.3-0.6 part of alcohol-amine dipyrophosphate acyloxy glycolate titanate, 0.2-0.5 part of polyether modified polyorganosiloxane, 0.2-0.4 part of cellaburate, 0.3-0.6 part of dioctyl sodium sulfosuccinate, 0.4-0.7 part of acetoacetoxy ethyl methacrylate, 0.6-1.2 parts of climbazole, 3-5 parts of ethylene glycol, 0.5-1.0 part of graphene, 1-2 parts of pigment and 10-15 parts of deionized water. According to the aqueous coating material disclosed by the invention, on the basis of high adhesion, water resistance and alcohol acid resistance, the modified styrene-acrylic emulsion is added, so that the bactericidal, dustproof and anti-electrostatic effects of the coating material are improved; added climbazole has spectrum sterilization property, so that the quality of the coating material is further improved; and the coating material disclosed by the invention is simple in operation and low in production cost, does not contain benzene solvents and heavy metals, is harmless to human bodies and environment, is environment-friendly and safe and is suitable for being popularized.
Owner:凤阳徽亨商贸有限公司

Industrial meat cutting and mincing apparatus

The invention relates to an industrial meat cutting and mincing apparatus, comprising two buckets; a support bar is disposed between the two buckets, the upper end of each bucket is provided with a cylinder-driven press plate, a motor is disposed on the support bar, the motor is connected with a tool rest through an output shaft, blades are arranged on the left and right of the tool rest respectively, a meat slice conveyer belt is arranged below the tool rest, a mincing barrel is disposed below one side of the conveyer belt, upper and lower rows of cutting rolls with a cutter are arranged in the mincing barrel, and one side of the mincing barrel is provided with a discharge pipeline connected to the buckets. The industrial meat cutting and mincing apparatus is simple in structure, reasonable and novel in design, convenient to operate, and is effective in mincing meats and avoiding blockage.
Owner:苏州阿西机器人有限公司

LED illuminating lamp device

The invention discloses an LED lighting device, which comprises an upper lamp body and a lower lamp body. The bottom of the upper lamp body is provided with a receiving groove, and the top of the receiving groove is symmetrically provided with first sliding grooves. There is a partition extending downwards, and the downward extension of the partition extends into the receiving groove. The upper lamp body on the side where the first chute is far away from the partition is provided with a first cavity, and the first cavity is provided with a There is a rotating shaft, and each first chute is provided with a first screw rod, which is threadedly connected with a lock and push slider, and the inner side of the first screw rod is connected with the power of the motor, and a heat exhaust assembly is arranged outside the motor. The thermal assembly includes a metal heat sink fixedly connected to the outside of the motor and a heat exhaust fan arranged on the metal heat sink. A first bevel gear is fixed on the upper direction of the rotating shaft, and a second bevel gear is meshed and connected above the first bevel gear. For the bevel gear, the upper lamp body above the first cavity is provided with a second cavity, the inside of the second cavity is provided with a second chute, and the second cavity is provided with a second screw rod.
Owner:冯伟微

Tile surface material composite plate and novel construction method thereof

ActiveCN104775589AReduce the stringent requirements of the technical level of the installationImprove performanceCovering/liningsBuilding material handlingComposite materialCeramic tiles
The invention relates to a tile surface material composite plate and a novel construction method thereof. The construction method comprises the following steps: (1) sticking the tile surface material on a base plate to form a tile surface material spliced plate; (2) cleaning the tile surface material spliced plate; (3) forming straight-line-shaped cutting grooves on connecting seams of the tile surface material spliced plate in batches; (4) filling the cutting grooves with a crack-sealer, then curing to obtain the tile surface material composite plate and finishing the construction. The cutting grooves are formed in the modularized tile surface material composite plate in the construction method; the construction efficiency of the tile surface material composite plate can be improved, the labor intensity of the construction staff is reduced, the technological dependence of the construction staff is reduced; in addition, the butt seam precision of the tile is greatly improved, and the attractive effect of the buildings appearance is improved.
Owner:GUANGZHOU HONLLEY COMPOSITE MATERIAL

Stabilized LED illuminating lamp device

InactiveCN107237988AAchieving operational stabilityEnables automatic locking installationLighting support devicesElectric circuit arrangementsArchitectural engineeringScrew thread
The invention discloses a stabilized LED illuminating lamp device which comprises an upper lamp body and a lower lamp body. A containing groove is formed in the inner bottom of the upper lamp body. First sliding chutes are formed in the inner top of the containing groove in a left-right symmetry mode. A partition plate which extends downwards is arranged between the two first sliding chutes. The downward-extending section of the partition plate stretches into the containing groove. First cavities are formed in the upper lamp body and located at the sides, far away from the partition plate, of the first sliding chutes. Rotating shafts are both arranged in the corresponding first cavities. Each first sliding chute is internally provided with a first screw rod. Each first screw rod is connected with a lock push sliding block in a threaded mode. The inner sides of the first screw rods are in power connection with a motor. First bevel gears are fixedly arranged in the circumferential directions of the rotating shafts, and the upper sides of the first bevel gears are connected with second bevel gears in an engaged mode. Second cavities are formed in the upper lamp body and located above the first cavities, and second sliding chutes are formed in the inner sides of the second cavities. Second screw rods are arranged in the corresponding second cavities. The bottoms of the second screw rods penetrate through the upper lamp body and are further fixedly connected with the second bevel gears. The second screw rods in the second cavities are connected with moving blocks in a threaded mode.
Owner:冯伟微

Industrial robot for gear machining

The invention provides an industrial robot for gear machining and relates to an industrial robot. The industrial robot for gear machining solves the problems of low machining efficiency and low machining accuracy of manual operations adopted for existing machining in steps of tooth profile chamfering and deburring. A main shaft bearing block is fixedly mounted on an upper end face of a base; a rotating main shaft is vertically mounted on the main shaft bearing block through a main shaft bearing; a main shaft driving device drives the rotating main shaft to rotate; a cylinder block of a lifting cylinder is fixedly mounted on an upper end face of the rotating main shaft; a cylinder block of an arm cylinder is fixedly mounted on an upper end face of a piston rod of the lifting cylinder; a wrist portion is mounted on a piston rod of an arm cylinder through an arm transition plate and a gripper is connected to the wrist portion; a gripper rotating shaft is horizontally mounted in a bearing block assembly through a self-aligning ball bearing; and one end of the gripper rotating shaft is fixedly connected with an output shaft of a first stepping motor through a coupling, while the other end of the gripper rotating shaft is connected with a pneumatic gripper. The industrial robot for gear machining is applicable to tooth profile chamfering and deburring in gear machining.
Owner:HARBIN INST OF TECH

Dirt-resistant mold-resistant paint for glass doors and preparation method thereof

The invention discloses a dirt-resistant mold-resistant paint for glass doors. The invention is characterized in that the paint is prepared from the following raw materials in parts by weight: 45-54 parts of water-based acrylic acid emulsion, 12-14 parts of water-based fluorocarbon emulsion resin, 8-12 parts of modified styrene acrylic emulsion, 1-2 parts of water-based wax emulsion, 0.3-0.5 part of polyoxyethylene laurel ether, 0.2-0.4 part of amide stearate, 1-3 parts of dipropanediol monopropyl ether, 0.3-0.6 part of alkylol amine dipyrophosphoryl oxy hydroxy acetate titanate, 0.3-0.5 part of leveling agent BYK-3100, 0.3-0.6 part of propyl trimethoxy siloxane, 0.2-0.4 part of laurinol phenylacetate, 0.2-0.4 part of polyvinylpyrrolidone, 0.3-0.5 part of crystal whisker silicon, 0.5-1.0 part of hydroxy benzoyl propyl ester, 1-2 parts of pigment and 10-15 parts of deionized water. The water-based paint has the characteristics of excellent weather resistance, excellent water resistance, excellent dirt resistance, excellent mold resistance, excellent chemical resistance and the like; and the added modified styrene-acrylic emulsion enhances the bactericidal, dust-proof and antistatic actions of the paint. The paint is a pure water-based green safe environment-friendly paint, is harmless to human health, has the characteristics of no environmental pollution and favorable properties, and is worthy of popularization.
Owner:凤阳徽亨商贸有限公司

Environment-friendly flame-retardant scaffold system

The invention discloses an environment-friendly flame-retardant scaffold system. The environment-friendly flame-retardant scaffold system sequentially comprises a plurality of scaffold board rows, a ramp scaffold board and a perforated dustproof safety net from bottom to top, and the perforated dustproof safety net is arranged on one side of a scaffold. The environment-friendly flame-retardant scaffold system is characterized in that the first row of scaffold boards in the bottom layer is steel scaffold boards, steel screen scaffold boards are adopted for layering and separation of the scaffold, each two adjacent steel scaffold boards are connected through a fixing part, and each two adjacent steel screen scaffold boards are connected by a fixing part. By the aid of the scaffold system, dangerousness of construction is lowered, fire accidents can be avoided, occupational health of operators is guaranteed, and accordingly environmental friendliness requirements of environmental friendliness, dust prevention, noise prevention of construction sites are met, and adverse impact on surrounding environments is reduced.
Owner:SHANGHAI CONSTR NO 1 GRP

Auxiliary device for cardiovascular operation

The invention discloses an auxiliary device for a cardiovascular operation. The auxiliary device for the cardiovascular operation comprises a base, wherein a lifting unit is fixedly mounted on one side of the upper part of the base; a adjusting unit is mounted at the upper end of the lifting unit; a magnifying lens is mounted at one end, far away from the lifting unit, of the adjusting unit through a hinging component. The auxiliary device for the cardiovascular operation can assist a cardiovascular internal medical operation doctor to clearly view the cardiovascular distribution of a patientand the position of a cardiovascular lesion from different angles to ensure that the doctor can accurately perform the operation at the position of the lesion of the patient so as to reduce the risksof the operation, guarantee the smooth progression of the operation and increase the success rate of the operation; the auxiliary device for the cardiovascular operation is relatively strong in operating flexibility, convenient to use and relatively good in applicability, can be used by matching with operating beds with different sizes, is convenient for the doctor to operate an ascending switch and a descending switch through the sole of a foot so as to control rise and fall of the magnifying lens, can liberate the hands of the doctor, and can avoid influence on the operation on the patient by the doctor.
Owner:THE FIRST PEOPLES HOSPITAL OF NANTONG

Multifunctional double-layer plant protection box for electrodynamic unmanned aerial vehicle for plant protection and unmanned aerial vehicle

The invention discloses a multifunctional double-layer plant protection box for an electrodynamic unmanned aerial vehicle for plant protection and the unmanned aerial vehicle. The multifunctional double-layer plant protection box comprises an upper box body and a lower box body, wherein a battery containing groove, a wireless receiving module containing groove, a video sending module containing groove and a membrane pump containing groove are formed in the upper end face of the upper box body, a clamping mechanism is arranged on the side wall of the battery containing groove and comprises a spring and a clamping hook, and the wireless receiving module containing groove, the video sending module containing groove and the membrane pump containing groove are provided with threaded holes. The lower box body is used for containing pesticide liquid and is provided with a liquid inlet, an exhausting port and a liquid discharging port, and the liquid discharging port is connected with a liquid discharging pipe. A battery, a wireless receiving module, a video sending module and a membrane pump in the prior art are all installed in the upper box body of the plant protection box, an appearance structure of the electrodynamic unmanned aerial vehicle in the prior art is optimized, and the waterproof, dustproof and scrape-proof capability in the plant protection operating process is also effectively improved.
Owner:郑州郑航通用航空工业科技有限公司

Waterproof and dustproof electric control box cooling structure

The invention discloses a waterproof and dustproof electric control box cooling structure, which belongs to the technical field of automobile electric control. The waterproof and dustproof electric control box cooling structure comprises a box cover and a box bottom, wherein the box cover and the box bottom are matched; the box cover covers the box bottom; the surface where the box cover and the box bottom are matched is provided with a boss; the matching surface of the box bottom is provided with a sealing groove; the bottom part of the sealing groove is provided with a discharge port; the boss has an inverted trapezoidal section; a sealing ring is arranged between the top surface of the boss and the bottom surface of the sealing groove; the inner side of the sealing ring is provided with an exhaust groove; the top surface of the box bottom is provided with a groove; the groove and the lower matching surface of the box cover surround a cooling hole; and the cooling hole is communicated with the exhaust groove and the discharge port. Through arranging the cooling hole at the inner side of the box bottom, the outlet end of the cooling hole faces an inclined surface, heat is guided, hot air flow is exhausted more easily from the cooling hole and then exhausted outside the box body via the exhaust groove of the sealing ring and the discharge port, and better cooling effects are realized.
Owner:贵州天义技术有限公司

Dust removal system of stepped atomizing sub-region of fully mechanized excavation face

The invention discloses a dust removal system of a stepped atomization sub-region of a fully mechanized excavation face. The dust removal system comprises a jet atomization dust suppression module, an air atomization dust fall module and a dynamic pressure atomization dust isolation module. The jet atomization dust suppression module comprises a booster pump, a high-pressure water pipe, a dust depressor automatic adding device, a dust depressor solution conveying pipe and a negative pressure secondary atomization dust suppression device which are sequentially connected. A liquid sucking pipe of the dust depressor automatic adding device is communicated with a dust depressor container. The air atomization dust fall module comprises an air atomization dust fall device connected with a pressure ventilation pipe and a static pressure water pipe. The dynamic pressure atomization dust isolation module comprises a fastening device and an L-shaped dust isolation fog screen generator connected with the dynamic pressure water pipe. The dust suppression of a cutting breakage region source, the dust fall as soon as possible of the head-on return air side of the fully mechanized excavation face and the timely dust isolation of a full cross section are realized, the new technical device is provided for high-efficiency and low-cost dust treatment of the fully mechanized excavation face, and the system has wide applicability.
Owner:CHINA UNIV OF MINING & TECH

Intelligent supporting method for die-cutting machine

The invention discloses an intelligent support method for a die-cutting machine. An inserting rod is plugged into the ring, and the bottom end of the sleeve is integrally formed with a wheel frame. The wheel frame is provided with a first jack, and the inner side of the wheel frame is connected with a roller through a rotating shaft. The front of the roller is surrounded by a shaft. Not less than three second jacks. The die-cutting machine frame, when the die-cutting machine is placed on the support, can use the buffer spring to buffer the die-cutting machine, thereby reducing the vibration of the die-cutting machine, reducing the noise, and improving the quality of the die-cutting machine. The stability of the cutting machine. When the buffer spring is compressed by force, the support ring can be used to limit the position and prevent the sleeve from colliding with the horizontal plate. The rubber ring on the bottom of the support ring can be placed between the support ring and the sleeve. Cushioning on contact for high stability.
Owner:孙挺
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