Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

157results about How to "Protect personal health" patented technology

Two-stage dry dust cleaning device and down-hole drilling machine including same

The invention provides a two-stage dry dust cleaning device and a down-hole drilling machine including the same. The two-stage dry dust cleaning device comprises a dust catching part, a first stage dust cleaning part and a second stage dust cleaning part. The dust catching part, the first stage dust cleaning part and the second stage dust cleaning part are connected with flow guiding pipes sequentially; and a centrifugal exhaust fan with an air outlet is installed on the second stage dust cleaning part. According to the down-hole drilling machine provided with the two-stage dry dust cleaning device, rock dust generated from drilling operation is sequentially sucked into the dust catching part, the first stage dust cleaning part and the second stage dust cleaning part from the drilling positions through the sucking power of the centrifugal exhaust fan, and the rock dust is collected into the first stage dust cleaning part and the second stage dust cleaning part according the sizes of the dust particles; and tilting baffles are arranged on air flow paths in the first stage dust cleaning part and the second stage dust cleaning part, and a filtering element capable of adsorbing the light dust is arranged in the second stage dust cleaning part, so that dust sucking effect is improved, working environment and human health are protected, damage to the centrifugal exhaust fan is reduced, and using quality of the down-hole drilling machine is ensured.
Owner:广东孔山重工机械有限公司

Novel polishing device for building

The invention relates to a novel polishing device for a building. The novel polishing device comprises a dustproof cover, wherein the left end of the dustproof cover is connected with an annular limiting disc; bristles are uniformly distributed on a plane at the left side of the annular limiting disc; a motor is arranged at the right side of the dustproof cover; the output shaft end of the motor is connected with a rotating shaft; the left end of the rotating shaft is provided with a polishing disc; a plane at the left side of the polishing disc is aligned with a plane at the left side of the annular limiting disc; a plurality of polishing disc holes are uniformly formed in the polishing disc; the right end of the motor is also connected with a fixed rod; the right end of the fixed rod is hinged with a telescopic tube; the bottom end of the telescopic tube is provided with a dust collector; a dust collecting inlet is formed in the bottom end of the dustproof cover and is connected with the dust collector through a dust collecting hose; meanwhile, the rotating shaft is sleeved by a stiffening bearing; and an outer ring of the stiffening bearing is connected with a stiffener, and the other end of the stiffener is fixedly connected with the top end of the dustproof cover. Due to the adoption of the structure, the novel polishing device is convenient and rapid in operation, and dust raising caused in a polishing process is also greatly avoided.
Owner:成都聚立汇信科技有限公司

Environment-friendly styrene-free unsaturated polyester resin synthesis method

The invention relates to an environment-friendly unsaturated polyester resin synthesis method, aims at solving the technical problem of exhaust of harmful gas of styrene in ordinary products, and belongs to the technical field of unsaturated polyester resin synthesis. The synthesis method is characterized in that saturated binary acid, unsaturated binary acid and dihydric alcohol which has the total mass percentage being 25 percent to 55 percent are sequentially fed into a reaction container; nitrogen gas is introduced, and temperature rise is performed, so that polymerization reaction is performed, and double-end hydroxyl unsaturated polyester is obtained; according to the hydroxyl molar weight n of the obtained product, isocyanate is added into an acrylic crosslinking monomer; then, the double-end hydroxyl unsaturated polyester is added, so that the isocyanate and the double-end hydroxyl unsaturated polyester are subjected to copolymerization, and a segmented copolymer with -NCO groups at two ends is obtained; the molar weight N of the -NCO of the segmented copolymer is determined; 1.03N mole of hydroxyl acrylate is slowly dripped. The synthesis method has the advantages that the resin product does not contain the styrene, so that the requirement of environment protection is achieved, and the body health of workers is protected.
Owner:HUACHANG POLYMER EAST CHINA UNIV OFSCI & TECH

Treatment device for building wastes

The invention discloses a treatment device for building wastes. The treatment device for the building wastes comprises a device body, wherein a first breaking cavity and a second breaking cavity are formed in an upper part in the device body separately from left to right, and a third breaking cavity is formed under the first breaking cavity and in the device body; an extrusion jaw plate is rotationally connected to a bottom plate in the first breaking cavity through a hinge shaft; the surface of one side of the extrusion jaw plate is abutted against a cam; a stamping plate is arranged in the second breaking cavity; and a second-stage breaking roll and a third-stage breaking roll are arranged in the third breaking cavity from top to bottom. According to the device, the extrusion jaw plate and the stamping plate are driven to carry out first-stage extrusion breaking and stamping breaking on the different types of building wastes through a motor and a hydraulic cylinder separately, the building wastes subjected to first-stage breaking slide into the third breaking cavity and are broken stage by state through the second-stage breaking roll and the third-stage breaking roll, and then are transferred or packaged, and dust absorption and filtering are carried out through an exhaust fan and a dust removal box during breaking, so that the adaptability, the working efficiency, the breaking effect and the environmental friendliness of treatment equipment for the building wastes are comprehensively improved.
Owner:QILU INST OF TECH

Processing method and apparatus for nonmetal object surface using hot melting adhesive glue powder

The invention discloses a processing method for adhering hot-melt adhesive powder to the surface of a non-metallic object, which comprises the steps of smearing a detergent, smearing conductive liquid, radiation processing, spraying the hot-melt adhesive powder and heating. In addition, the invention also discloses a processing device for realizing the method, which comprises a conveyor belt, a radiation chamber, a spraying chamber and a heating chamber; the non-metallic object processed by the detergent and the conductive liquid is arranged on the conveyor belt, the non-metallic object is transmitted through the UV radiation chamber, UV radiation ray is combined with ozone in the chamber to carry out the surface radiation treatment, then the non-metallic object penetrates the spraying chamber, the charged hot-melt adhesive powder is sprayed on the surface thereof, and the hot-melt adhesive powder attached to the surface is melted by the heating chamber, thus forming a liquid adhesive film which can be used for adhesion. The processing device of the invention can carry out spraying and melting processes of the hot-melt adhesive powder in an operation chamber, achieve the degree of automation, save the energy, reduce the labor intensity and improve the operational environment.
Owner:ORISOL ASIA

Full-automatic unpacking and feeding machine for bagging raw materials into stacking bags

The invention discloses a full-automatic unpacking and feeding machine for bagging raw materials into stacking bags. The full-automatic unpacking and feeding machine includes a control cabinet, a conveyor belt, an elevator, an automatic unpacking and feeding machine, an empty tray collector, a package-breaking waste bag automatic packaging machine and a dust removal system. Stacked bag-shaped rawmaterials are placed on the conveyor belt, the conveyor belt is connected to the elevator, the conveyor belt transfers the stacked bag-shaped raw materials to the elevator, the elevator is connected to the automatic unpacking and feeding machine, the elevator feeds the stacked bag-shaped raw materials into the automatic unpacking and feeding machine layer by layer, packages of the stacked bag-shaped raw materials are broken in the automatic unpacking and feeding machine, raw materials are fed to a putting opening, the broken bags enter the package-breaking waste bag automatic packaging machineafter two times of residual material screening, the empty tray collector is connected with the elevator, and the automatic unpacking and feeding machine is provided with a dust cover and is connectedwith the dust removal system. The full-automatic unpacking and feeding machine has complete functions, the unpacking efficiency is improved, the removal rate of residual materials is improved, and the applicability is high. The full-automatic unpacking and feeding machine can be in butt joint with an intelligent warehouse, unmanned operation is realized, and work without dust is achieved.
Owner:江苏恒创机械设备有限公司

Food-grade powerful and efficient hydrocarbon cleaning agent

The invention discloses a food-grade powerful and efficient hydrocarbon cleaning agent. The food-grade powerful and efficient hydrocarbon cleaning agent is prepared from isoparaffin solvent oil, a food-grade monocyclic monoterpene solvent, a food-grade alcohol ether solvent and a plant extraction additive; and the formula of the odorless safe volatile punching oil comprises 40 to 80 percent of theisoparaffin solvent oil, 0 to 30 percent of the food-grade monocyclic monoterpene solvent, 0 to 30 percent of the food-grade alcohol ether solvent and 0 to 10 percent of the plant extraction additive. The food-grade cleaning agent has the advantages that the cleaning agent is odorless, is completely volatized and avoids residues, and is safe, environmentally friendly and pollution-free; and the food-grade cleaning agent fundamentally solves the problems of cleaning power and environmental protection safety of the hydrocarbon cleaning agent in the prior art, is simple in process, proper in preparation cost and stable in performance, reaches to the food grade, is completely volatized, low in odor and strong in cleaning power, can clean grease, tar, oil stain and adhesive, reduces the use ofhalogenated hydrocarbon and is an environmentally friendly and safe food-grade safe, powerful and efficient hydrocarbon cleaning agent.
Owner:诺而曼环保科技(江苏)有限公司

Machine for automatically varnishing chopsticks and application method of machine

ActiveCN104028416AEasy to useGuaranteed painting accuracyLiquid surface applicatorsCoatingsVarnishEngineering
The invention discloses a machine for automatically varnishing chopsticks. The machine for automatically varnishing the chopsticks comprises a rack, wherein a group of flexible clamping parts are mounted on the rack; a varnish hopper is arranged on one side of each flexible clamping part; a push rod set is arranged on the other side of each flexible clamping part; stepping circulation transmission parts are connected with the flexible clamping parts. An application method of the machine for automatically varnishing the chopsticks comprises the following steps: pushing the chopsticks by the push rod set, clamping the chopsticks by the flexible clamping parts, varnishing the chopsticks by the varnish hopper and conveying the chopsticks by the stepping circulation transmission parts so as to realize the automatic chopsticks varnishing. The machine for automatically varnishing the chopsticks is capable of automatically varnishing the chopsticks, varnishing the chopsticks in batches, achieving the full-automatic effect in the process of varnishing the chopsticks, omitting a production manner of artificially varnishing, improving the working efficiency of varnishing, improving the production efficiency, avoiding the influence of the varnish on the body health of workers and protecting the personal safety of the workers; meanwhile the machine for automatically varnishing the chopsticks is good in actual application effect, and thus the popularization is facilitated.
Owner:庆元县新华机械制造有限公司

Halogen-free red phosphorus-free high-flame retardation heat-shrinkable bush and preparation method thereof

ActiveCN105801990AImprove environmental protection levelProtect personal healthChemistryHuman health
The invention relates to a halogen-free red phosphorus-free eco-friendly material and a use thereof and especially relates to a halogen-free red phosphorus-free high-flame retardation heat-shrinkable bush and a preparation method thereof. The halogen-free red phosphorus-free high-flame retardation heat-shrinkable bush comprises, by weight, 80-100 parts of an ethene-vinyl acetate copolymer, 5-30 parts of an ethene-octylene copolymer and/or an ethene-butene copolymer and/or an ethene-ethyl acrylate copolymer and/or an ethene-methyl methacrylate copolymer, 90-120 parts of a phosphor-nitrogen composite fire retardant, 1-10 parts of a compatilizer, 1-10 parts of a lubricant and 1-10 parts of a composite anti-oxidant. In halogen-free red phosphorus-free high-flame retardation heat-shrinkable bush production, an inorganic material is used as a raw material and does not contain red phosphorus and halogens so that an environmental protection level is high, poisonous and harmful gas produced through red phosphorus and halogens is avoided, human health is protected and environmental friendliness is obtained. The halogen-free red phosphorus-free high-flame retardation heat-shrinkable bush has low contraction temperature responsiveness, can completely shrink at a temperature of less than or equal to 95 DEG C and has a low shrinkage temperature.
Owner:SHANGHAI CHANGYUAN ELECTRONICS MATERIAL +1

Sterilizing and deodorizing device and machine tool cutting fluid treating device

The invention discloses a sterilizing and deodorizing device and a machine tool cutting fluid treating device, and belongs to the field of cutting fluid treatment. The sterilizing and deodorizing device comprises a medium cavity body, wherein a medium cavity for accommodating a medium is arranged inside the medium cavity body, and an ultraviolet light source is arranged at the outer side of the medium cavity; a photocatalyst coating is arranged on the inner wall of the cavity wall of one side, near the ultraviolet light source, of the medium cavity, and the two opposite ends of the medium cavity body are respectively provided with a first medium passing port for allowing the medium to flow into the medium cavity, and a second medium passing port for allowing the medium to flow out of the medium cavity. The sterilizing and deodorizing device disclosed by the invention can be connected on a cutting fluid circulating pipeline in series, and can achieve the on-line and timely treatment ofthe cutting fluid by using the circulation pump of a machine tool without additionally installing a water pump; the sterilizing and deodorizing device disclosed by the invention has double sterilization functions of the sterilization of ultraviolet rays and the sterilization of a photocatalyst under the action of ultraviolet rays, so that bacteria are difficult to breed and grow, thereby achievingthe purposes of deodorizing and sterilizing and ensuring that the cutting fluid does not deteriorate.
Owner:麦科勒(滁州)新材料科技有限公司

Tricycle body spraying device for producing electric tricycle

The invention discloses a tricycle body spraying device for producing an electric tricycle. The tricycle body spraying device comprises a spray box shell. The inner side of the spray box shell is symmetrically provided with a fixing plate and a guiding sliding groove, the upper surface of the spray box shell is symmetrically provided with servo motors, output shafts of the servo motors penetrate through the spray box shell to be provided with screw rods rotatably connected to the fixing plate, the outer sides of the screw rods are provided with movable blocks matched the guiding sliding groove, one side of each movable block is provided with an electric telescopic rod, the output ends of the electric telescopic rods are provided with mechanical arms, and one end of each mechanical arm is provided with a spraying gun. By means of the tricycle body spraying device, the servo motors are started to drive the screw rods connected to the output shafts of the servo motors to rotate, the moving blocks on the outer side can move up and down, and the spraying guns are driven to move up and down. By starting the electric telescopic rods, the spraying guns are driven to move left and right toadjust the distance between the spraying guns and a tricycle body, and the spraying effect is good.
Owner:湖南丽杰车业有限公司

Preparation process and device of high-temperature-resistant fireproof coating for building

The invention relates to the technical field of building coating production, and discloses a preparation process of a high-temperature-resistant fireproof coating for a building. The preparation process comprises the following steps: mixing solid raw materials, grinding in a disc type grinder, screening with a 40-mesh sieve, adding the mixture obtained in the step 1 into a stirring barrel, injecting 20-30 parts of 40-60 DEG C warm water, stirring, and mixing, stirring for 2 hours at the rotating speed of 900-1500 revolutions per minute; sequentially adding a potassium silicate solution, a thickening agent, emulsion, a suspending agent, a curing agent, a drier and glue, stirring for 0.5 hours at the rotating speed of 80-100 rpm to obtain the corresponding coating. The invention provides a preparation device of the high-temperature-resistant fireproof coating for the building. The preparation device comprises a stirring barrel and a rotating stirring shaft arranged in the stirring barrel, the stirring shaft is coaxially and fixedly connected with stirring support, a plurality of connecting rods for mounting stirring rods are distributed on the circumferential surface of the stirringsupport in a circumferential array manner, and rotating brush seats for cleaning are arranged in the stirring rods, so that stirring and cleaning functions are achieved, and the cleaning efficiency isimproved.
Owner:XINGTAI POLYTECHNIC COLLEGE

Building waste recycling device

The invention discloses a building waste recycling device which comprises a box body, a smashing device is movably connected to the upper portion of the left end of the box body in a penetrating and inserting mode, and two discharging devices are jointly and movably connected between the upper portion of the front box wall and the upper portion of the rear box wall of the box body. An iron attracting device is movably connected between the lower portion of the front box wall and the lower portion of the rear box wall of the box body jointly, two first limiting grooves are formed in the lower portion of the left box wall of the box body, a discharging opening is formed in the lower portion of the right end of the box body, and second limiting grooves are formed in the middle of the front opening wall and the middle of the rear opening wall of the discharging opening. A discharging device is movably connected into the two second limiting grooves and the two first limiting grooves jointly, a controller is fixedly connected to the middle of the right end of the box body, and a dust suction device is fixedly connected to the upper portion of the rear end of the box body. The whole building waste recycling device is good in building waste smashing effect, recycling of waste is facilitated, iron can also be screened out, and the building waste recycling device is suitable for being widely applied.
Owner:朱志飞

Building structure facilitating exterior wall decoration engineering and interior decoration engineering construction

The invention discloses a building structure facilitating exterior wall decoration engineering and interior decoration engineering construction. The building structure comprises a fence, a workbench, a device bottom plate, moving devices, a ladder, hydraulic supporting devices and fixing devices, wherein a plurality of hydraulic supporting devices which are symmetrically mounted left and right are fixedly mounted at the upper end of the device bottom plate, the workbench is fixedly mounted at the upper ends of the hydraulic supporting devices, the fence is fixedly mounted at the upper end of the workbench, and the ladder is fixedly mounted at the lower end of one side of the workbench; and the fixing devices are fixedly mounted on the left side and the right side of the device bottom plate, and a plurality of symmetrically-mounted moving devices are arranged at the lower end of the device bottom plate. A control system is arranged in the building structure facilitating the exterior wall decoration engineering and the interior decoration engineering construction, the control system is electrically connected with the hydraulic supporting devices and the moving devices. The technical problem that a multi-connecting-rod mechanism used by a building structure at the present stage is uneven in stress and prone to damage, and consequently personnel are injured is solved.
Owner:深圳鹏源达建工集团有限公司

Solvent-free low-shrinkage epoxy pouring adhesive for repairing concrete cracks and preparation method of solvent-free low-shrinkage epoxy pouring adhesive

The invention relates to a solvent-free low-shrinkage epoxy pouring adhesive for repairing concrete cracks and a preparation method thereof, and belongs to the field of pouring adhesives, a self-made modified toughening agent is added into a component B. The preparation method of the modified toughening agent comprises two steps of preparing modified nano silicon dioxide powder and preparing the modified toughening agent. The reaction is actually a reaction of a thiol group with an epoxy group. A polysulfide rubber structure with good elasticity is introduced into the modified toughening agent, meanwhile, nano silicon dioxide rigid particles are contained, the toughness of a cured product can be effectively improved, the obtained perfusion adhesive has low shrinkage rate, and the unconstrained linear shrinkage rate can reach 0.2% or below. The obtained pouring glue has high tensile strength, high compressive strength and high bending strength. The obtained pouring glue has high cohesiveness, relatively high steel-to-steel tensile shear strength and high steel-to-steel butt joint bonding strength. And the steel has high bonding strength with concrete, and the positive pulling bonding strength of the steel to the C45 concrete can realize cohesive failure of the concrete.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT +2

Cylindrical gas cylinder cabinet

The invention discloses a cylindrical gas cylinder cabinet. The cylindrical gas cylinder cabinet is characterized in that a disc cabinet bottom, a disc cabinet top, a rotary column, a bearing part, anarc-shaped cabinet door and an exhaust pipeline are included; round rails are arranged on the upper end face of the disc cabinet bottom and the lower end face of the disc cabinet top, and the arc-shaped cabinet door is mounted in the round rails; a cylindrical fixed column is arranged in the center of the disc cabinet bottom, the rotary column is a hollow cylinder with openings formed in the twoends, and a plurality of venting openings are formed in the side wall of the rotary column; one end of the rotary column is mounted on the fixed column through the bearing part, and the other end of the rotary column is connected to the disc cabinet top; and a plurality of vertical separation plates are arranged between the disc cabinet bottom and the disc cabinet top and mounted on the rotary column, and are evenly distributed around the rotary column, and a through hole is formed in the disc cabinet top. The cylindrical gas cylinder cabinet has the beneficial effects that when gas leakage happens, harmful gas is exhausted out of a room, the occupied area is small, and the inner space utilization rate is large.
Owner:南京苏格信息技术有限公司

Water curtain device used in bathroom cabinet surface painting production

InactiveCN108580127ARealize purification and filtrationReduce pollutionSpraying apparatusWater storage tankWorking environment
The invention discloses a water curtain device used in bathroom cabinet surface painting production. The device comprises a water storage tank, a water curtain cabinet body, a purifying device, a connecting frame, an exhaust fan, a control panel, a water pipe and a circulating water pump; the water storage tank is vertically mounted at the lower end of the water curtain cabinet body, and is weldedwith the same; the water curtain cabinet body and the water storage tank form an integral structure; the water curtain cabinet body is vertically fixed at the lower end of the connecting frame; the purifying device is horizontally embedded in the water curtain cabinet body, and is mechanically connected with the circulating water pump; and the connecting frame is vertically and tightly bonded atthe top end of the water curtain cabinet body, and is in clearance fit with the exhaust fan. The purifying device realizes direct beating of remained paint powder in a water pool or on the water curtain surface during painting, so that smell generated by painting and less unabsorbed paint powder are filtered by multi-layer water curtains to discharge out of a painting room by the exhaust fan to achieve the effects of purifying the painting work environment and protecting the personal health.
Owner:杨秋霞
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products