38results about How to "Less likely to cause harm" patented technology

The invention provides a metal surface modification method through emulsion jet, belonging to the processing technology of metal material surface. The metal surface modification method mainly comprises the following steps: preparing an emulsion which can produce effective cavitation bubbles and jet effect; immersing a component to be processed in the emulsion; adjusting a jet nozzle, a jet pressure and a distance between the jet nozzle and the processed metal; carrying out jet processing on the metal surface in the emulsion medium; taking the emulsion as a medium for producing cavitation jet; and forming the metal surface modification method through emulsion jet, thus improving fatigue strength of a test piece by 56% and 11% respectively. The metal surface modification method through emulsion jet of the invention has the advantages of generating the effective cavitation bubbles and improving processing efficiency of the metal surface, generating no corrosion for the metal surface, polluting no environment, having low cost, being not easy to damage the metal surface, having low investment cost and use cost, good use effects and being easy to be promoted and applied; in addition, residual emulsion does not corrode the metal surface.

The invention relates to a granule agent for control of soil insects, which comprises the following raw materials, by mass, 5%-10% of a first active ingredient (fosthiazate), 5%-20% of second active ingredients (organophosphorus and carbamates), 2%-5% of wetting agents, 4%-10% of dispersing agents, 1%-10% of adhesion agents, 1%-15% of disintegrating agents, 30%-80% of carriers and 0.05%-0.1% of warning colors. A preparation method of the granule agent comprises the following steps: evenly mixing pesticide active ingredients after the pesticide active ingredients are adsorbed by the carriers, adding the wetting agents, the dispersing agents, the disintegrating agents and the warning colors, and evenly mixing according to the weight percent; smashing the mixture through a sand mill or a jet mill to enable the grain size to be 1.5-5mum; and finally adding water solution containing the adhesion agents and having the total weight of 300-1,400kg, drying at 120-180 DEG C after extrusion, spraying or granulation through a fluidized bed, and extracting granules with the grain size to be 0.27mm-2.7mm after screening through a vibrating screen so that qualified products are obtained. The granule agent for control of the soil insects has the advantages of achieving good effects in the aspect of control of the soil insects, achieving the aim of overall control of the soil insects and avoiding generating damage to the environment, people and livestock and other beneficial organisms.

The invention discloses an explosion venting device which is used for wall or ceiling materials of normal buildings; the explosion venting device is characterized in that the explosion venting device is composed of calcium silicate plates which are arranged at two outermost sides and a filling material which is arranged between the calcium silicate plates at the two sides; and the filling material is a mineral wool.

The invention relates to kasugamycin hydrochloride soluble granules. The kasugamycin hydrochloride soluble granules comprise the following raw materials by weight: 4-20% of kasugamycin hydrochloride, 2-5% of a wetting agent, 4-20% of a dispersing agent, 1-10% of a binder and 50-80% of a filler. The preparation method of the kasugamycin hydrochloride soluble granules comprises the following steps: uniformly mixing the raw materials proportionally; grinding the raw materials to be 1.5-3mum through a wet method or a dry method; and pelletizing by way of extrusion, fluidized bed or spray-drying, screening and taking granules with sizes of 0.27mm to 1.7mm as qualified products. The kasugamycin hydrochloride soluble granules and the preparation method have the beneficial effects that the utilization rate of effective components is increased; almost no harms are posed on the environment, people, livestock and other beneficial organisms; dust is avoided in production process, granule disintegrating speed is fast and package pollution is avoided; and the advantages of good storage stability, simplicity in process, convenience in use and suitability for large-area popularization and application are gained.

The invention relates to the technical field of internet-of-things equipment processing equipment, in particular to a processing device for agricultural internet-of-things equipment part production. The device comprises a heating box, a fixed block is connected to the upper end of a second heat insulation plate, a transmission mechanism is connected to the fixed block, a first gear is connected tothe transmission mechanism, a push-pull mechanism is connected to the transmission mechanism, a push rod is connected to the push-pull mechanism, a movable groove is formed in the end, away from thepush-pull mechanism, of the push rod, a first spring is connected into the movable groove, a connecting rod is inserted into the movable groove, a guide pipe communicates with the side, away from a motor, of the upper end of the second heat insulation plate, and a baffle is inserted into the guide pipe. When a moving block moves to the farthest position in the direction of the motor, the push rodpulls the connecting rod through the first spring, the connecting rod pulls the baffle, a gap is formed between the baffle and the guide pipe, hot gas is released from the gap, the air pressure in theheating box is reduced, and damage is not likely to be caused when a door is opened.

The invention discloses a wear-resistant electric cable structure which comprises a copper conductor and a silicon rubber insulating layer coated on the copper conductor, wherein the exterior of the silicon rubber insulating layer is provided with a low-smoke halogen-free flame-retardant B-class polyolefin protective layer, and the exterior of the low-smoke halogen-free flame-retardant B-class polyolefin protective layer is provided with a PE (polyethylene) material layer. In the invention, the low-smoke halogen-free flame-retardant B-class polyolefin protective layer is arranged outside the silicon rubber insulating layer of the cable and provided with the PE material layer, so that the cable is not easy to burn and more wear-resistant, the cable skin is not easy to damage and the cable is safe. The wear-resistant electric cable structure provided by the invention has simple manufacture, low production cost and good wear-resistant effect, and is low-smoke flame-retardant.

The invention discloses a medical auxiliary instrument for eyes. The medical auxiliary instrument comprises a storage plate, a plane mirror and a supporting rod, wherein one end of the storage plate is provided with a supporting bracket for strutting the lower eyelid of the eye while the other end of the storage plate is connected to the plane mirror through the supporting rod, and the storage plate and the supporting rod are movably connected and fixed by a locking piece. The medical auxiliary instrument for eyes has the advantages of simple structure, convenience in operation, and being rapid and healthy to drop eyedrops, to replace contact lenses and to apply eye ointment.

The invention belongs to the field of packaging processing, and particularly relates to a stacked packaging case lifting device. The lifting device comprises a case lifting cross beam and a support, the device is characterized in that rotating wheels are arranged at the tops of the two ends of the case lifting cross beam, the lower sides of the two ends of the case lifting cross beam are respectively and fixedly provided with an oil cylinder upper seat, the inner sides close to the oil cylinder upper seat is further provided with a case lifting hanging plate respectively, the support is of anN-shaped structure, sliding rails are arranged on the inner sides of the left side support and the right side support, and the rotating wheels of the case lifting cross beam freely slide in the sliding rails. The device has the beneficial effects that the case lifting cross beam is movably connected with the rotating wheels of the support, so that the case lifting cross beam and the rotating wheels are not easy to damage, and the service life is prolonged; the two sides of the case lifting cross beam are respectively provided with the oil cylinder upper seat for installing an oil cylinder, thetwo ends of the lifting process are simultaneously stressed, and the lifting process is more stable and safer compared with a traditional single oil cylinder; the whole device is simple in structure,convenient to operate, low in overall cost and easy to popularize compared with a traditional device.

The invention provides a cleaning method for a fine-texture metal surface for electric discharge machining. The cleaning method comprises the following steps of: firstly immersing metal for fine electric discharge machining in kerosene, cleaning the metal for 10-20min through ultrasonic oscillation, taking out the metal, putting the metal in acetone solution for continuous ultrasonic cleaning for 5-15min, then putting the metal in deionized water for ultrasonic cleaning for 5-15min, taking out the metal, blow-drying the metal, placing the metal in a plasma cleaner, cleaning the metal for 5-15min by using plasma under the power of 18W, then soaking the metal for 1-5min in hydrochloric acid water solution with concentration being 1-2mol/L, finally rinsing the metal by using deionized water, taking out the metal and blow-drying the metal to obtain the glossy wet fine-texture metal surface.

The invention discloses a petal harvester. The petal harvester comprises a vehicle body, a flower combing part and a collecting part, the vehicle body is provided with a compartment, and a collecting inlet is formed in the front end of the compartment; the flower combing part comprises a first combing unit and a second combing unit which are sequentially arranged from front to back; the collecting part is arranged on the vehicle body, when the vehicle body moves forwards, flower plants enter the compartment through the collecting inlet and are sequentially and respectively combed downwards and upwards by the first combing unit and the second combing unit, and petals fall onto the collecting part. According to the petal harvester, the two combing units of the flower combing part are used for combing flowers downwards and upwards respectively, so that the flowers are separated from leaves, the petals can be greatly overturned, the petals are ensured to completely fall off, the automation degree is high, the working intensity of workers is greatly reduced, the workers do not need to go deep into a flower field, working parts are all positioned in the carriage, not prone to causing personal injury, high in picking efficiency, capable of meeting the requirement for specific picking time and capable of greatly reducing the picking cost.

The invention discloses a processing method of seamless female underwear with internally-attached cups and the underwear. The processing method comprises the steps that an outer piece and an inner piece which are integrally woven through a seamless knitting machine and can be overlapped are included; arranging the prepared mold cup and the shaping yarn between the outer piece and the inner piece, and adhering and fixing the mold cup and the shaping yarn on the inner piece through hot pressing and a hot melting adhesive; and finally, sewing a covered edge at an edge opening between the outer piece and the inner piece, and processing a shoulder strap. The underwear comprises a double-layer underwear main body, and shoulder straps are connected to the underwear main body; the underwear is characterized in that the underwear main body is formed by laminating an outer piece and an inner piece which are integrally woven and formed; mold cups are arranged at the positions, corresponding to the breasts on the two sides, in the underwear body, and the inner side face of each mold cup is bonded and fixed to the corresponding inner piece; edge openings, corresponding to the inner piece and the outer piece, on the underwear main body are connected with covered edges. The device not only can reduce manpower use, but also has the advantages of being convenient to process, high in processing efficiency, good in comfort and not prone to causing chest injury.

The invention discloses an industrial solid waste crushing system, and belongs to the technical field of industrial solid waste crushing. The industrial solid waste crushing system comprises a device main body, wherein an operation table and a first motor are mounted on the outer surface of the device main body respectively; and a base is fixed to the bottom of the device main body. The industrial solid waste crushing system is provided with a lifting cylinder, a second motor, a second rotating shaft, a spiral conveying plate, an upper return opening, a lower return opening and a sieve plate; after solid waste sequentially passes through a cutter and a crushing roller, the solid waste which is not completely crushed rolls down to the lower return opening along the sieve plate, and then enters the lifting cylinder; the second motor operates to enable the spiral conveying plate to rotate through the second rotating shaft, so that solid waste which is not completely crushed and located on the lower portion in the lifting cylinder is spirally conveyed upwards; finally, the solid waste which is not completely crushed can enter the upper portion in the device body again through an upper return opening; and then the solid waste is sequentially crushed by the cutter and the crushing roller until the solid waste is completely crushed.