111results about How to "Strong use stability" patented technology

The invention belongs to the technical field of graphene rubber composite materials, and provides a graphene modified nitrile rubber and a preparation method thereof. The graphene modified nitrile rubber is prepared from the following components in parts by weight: 70-90 parts of a nitrile rubber, 10-30 parts of a modified graphene oxide-carboxyl nitrile rubber master batch, 1.5-2 parts of a vulcanizing agent, 0.5-2.0 parts of a vulcanizing accelerator, 3-5 parts of a vulcanizing activator, 1-3 parts of a plasticizer, 1-2 parts of an antioxidant and 20-30 parts of fillers; and the modified graphene oxide-carboxyl nitrile rubber master batch is prepared from the modified graphene oxide and further prepared from carboxyl nitrile rubber latex, wherein mercapto-siloxane after hydrolysis reactswith the graphene oxide by being subjected to dehydration synthesis, and the modified graphene oxide is obtained. Through the technical scheme, the problem of poor high and low temperature resistanceof the nitrile rubber in the prior art is solved.

The invention discloses layered grinding equipment. The layered grinding equipment comprises a shell body which is provided with a feeding inlet, a discharging outlet and a grinding and pressing channel. The grinding and pressing channel is internally provided with grinding and pressing rollers, and rotating shafts connected with the grinding and pressing rollers, and a partition plate is arranged in the middle of the grinding and pressing channel. The direction of the partition plate is the same as that of the grinding and pressing channel. The grinding and pressing channel is divided into an upper grinding cavity and a lower grinding cavity through the partition plate. Screen nets are uniformly arranged on the partition plate. The grinding and pressing rollers comprise the upper-layer grinding and pressing roller and the lower-layer grinding and pressing roller. The rotating shafts comprise the upper-layer rotating shaft and the lower-layer rotating shaft. The feeding inlet communicates with the upper grinding cavity. The discharging outlet communicates with the lower grinding cavity. The shell body is provided with an upper driving motor and a lower driving motor. According to the layered grinding equipment, the structure is simple, operation is convenient, grinding is conducted through the up-down two-layer structure, and the situation of insufficient grinding can be effectively avoided; accordingly, regrinding is avoided, human and material resources are saved, and the machining cost is greatly reduced; and the using stability is good, the applicability is high, and the practicality is good.

The invention discloses a quick-percussion, wear-resistant and long-service-life down-the-hole percussive drill tool. A check valve spring is arranged between a check valve and an air distributor; a drill bit sleeves a front joint; a bush is connected with the tail of the drill bit in a sleeving manner; a snap ring is arranged between the front joint and the bush; a piston is a hollow cylinder; a piston large end is arranged on the piston; a piston small path is arranged at one end of the piston large end; a piston tail path is arranged at the other end of the piston large end; one section of the piston large end is a smooth cylinder; the other section of the piston large end is uniformly provided with air grooves; an air polyhedron is arranged between the piston small path and the piston large end; an annular ventilating groove is formed between the air polyhedron and the piston large end; the piston tail path is connected with a cylindrical end; a piston tail end is arranged at the tail end of the cylindrical end; plain-sawn air grooves are uniformly formed in the piston tail end; front air holes are uniformly formed in one end of an inner cylinder; tail oblique air holes are uniformly formed in the other end of the inner cylinder; and a trapping lug boss is arranged on an inner cavity of the inner cylinder. The quick-percussion, wear-resistant and long-service-life down-the-hole percussive drill tool is high in drilling speed, not easy to jam, low in failure rate and low in energy consumption; work efficiency is greatly improved; and energy and cost are saved.

The invention discloses a mud-and-water auto-separating pipeline apparatus and belongs to the technical field of water conservancy transportation pipelines. The pipeline apparatus includes a water inlet pipe, a water outlet pipe and a drainage pipe and also includes a mud-and-water auto-separating part. The mud-and-water auto-separating part includes a cylindrical pipe body, wherein annular steps are formed on an inner side wall of the cylindrical pipe body. An inner fixing base is arranged under the annular steps. An annular groove is formed by the inner fixing base and the inner side wall of the cylindrical pipe body. An annular filter screen is disposed on the annular steps, wherein the top end of the annular filter screen is connected to the annular steps and the bottom end of the annular filter screen is connected to the inner fixing base. A clear water chamber is formed by the inner side wall of the cylindrical pipe body and an outer side wall of the annular filter screen. The water outlet pipe is communicated with the clear water chamber. The water inlet pipe is arranged on the side wall of the cylindrical pipe body and is arranged above the annular steps. The pipeline apparatus can automatically separate mud from water, wherein clear water flows out through the water outlet pipe while a mud and sand mixture is discharged through the drainage pipe. The pipeline apparatus is free of extra kinetic energy, is low in energy consumption and is suitable for agricultural irrigation.

The invention provides a bamboo shoot dietary fiber extraction method. The method comprises the following steps: taking bamboo shoot, crushing the bamboo shoot, adding water with the weight 20 times the weight of the bamboo shoot, decocting the bamboo shoot for 1 h, carrying out ultrasonic assisted cellulase enzymatic hydrolysis by adding cellulase with the mass being 2-6% of the mass of the above obtained bamboo shoot water decoction, deactivating enzymes, carrying out suction filtration, carrying out evaporative concentration on the above obtained filtrate to obtain a concentrate, and drying the concentrate to prepare bamboo shoot dietary fiber extract with high content of 5-deoxystrigol. The extract is combined with tripdiolide and bergenin to prepare a constipation treatment granule.

The invention discloses a manufacturing method of a high-temperature-resistant enameled wire, and relates to the related technical field of enameled wire production, which comprises the following steps: step A, manufacturing an inner core; b, wire drawing; step C, cleaning; step D, annealing; e, cooling is conducted; f, paint spraying is conducted; and G, lubricating and taking up. The invention is advantageous in that the production is time-saving and labor-saving, detection of copper wires, the use stability of the enameled wire after production is stronger; post annealing, the annealed copper wire is cooled through the drying furnace; the temperature of the copper wire is kept at 150-230 DEG C; the subsequent insulation paint spraying and copper wire connection is more stable; the stability of the overall high-temperature resistance of the produced enameled wire is further improved; the copper wire spraying device is simple in structure, longer in service life and higher in stability, insulating paint can be sprayed to copper wires passing through the middles of the first spraying parts and the second spraying parts through cooperation of the first spraying parts and the secondspraying parts, and inner-layer paint and outer-layer paint of the copper wires can be sprayed through the multiple sets of first spraying parts and second spraying parts correspondingly.

The invention relates to a hook assembly and a ground hook device of a ground lock device for an anti-theft safety door, belonging to the technical field of rolling gates, including a box body, which is characterized in that: the box body is hollow and has a triangular prism structure, and the prism in the length direction of the triangular prism There is a hook entrance for insertion and cooperation with the hook on the side, and there are locking runners and overhead paddles for opening and closing on the left and right sides of the hook inlet. The locking runner is installed on the inner wall of the box through the runner pivot. The overhead pick is mounted on the inner wall of the box via a pick pivot. The present invention has a simple structure, fewer matching components, very convenient assembly and maintenance, and low production and maintenance costs while ensuring improved safety performance.

The invention discloses a dual-opening horizontal well cementation and completion construction method and belongs to the technical field of drilling engineering. The second-opening horizontal well cementation and completion construction method comprises the following steps of: S1, as for a first opening, drilling to well depth of 750m by use of a 346mm drill bit; S2, as for a second opening vertical hole section, drilling to well depth of 2850m by use of a 222mm drill bit, and as for a second opening inclined hole section and a second opening horizontal section, drilling by use of a 215.9mm drill bit until a whole well is drilled; S3, performing a drafting process; S4, feeding a dual-opening horizontal well cementation and completion inteigrated pipe column device; S5, performing cement injection; S6, injecting 25m<3> cement slurry; S7, injecting 5m<3> clear water and 2m<3> sodium cellulose glycolate insulating liquid; S8, injecting 25-30m<3> potassium chloride solution for replacing the slurry, and feeding a 41.3mm seat seal ball; S9, injecting 60m<3> potassium chloride solution; and S10, performing electrical logging of well cementation quality. The method disclosed by the invention is capable of performing large-amplitude locus adjustment, is high in flexibility, low in well cementation construction difficulty and low in well cementation cost.

The invention discloses a garden pot culture device with soil loosening structures. The garden pot culture device comprises a support and a garden pot culture shell. A watering guide pipe is arranged on the support, a circular ring is arranged in the center of the top of the pot culture shell, the bottom surface of the circular ring is fixed onto the bottom wall of the pot culture shell by the aid of ribs, a circular ring guide rail groove is formed in the center of the outer ring surface of the circular ring, a circular ring groove is formed in the top of the inner wall surface of a side wall of the pot culture shell, a rotary block is arranged in the circular ring guide rail groove, a movable block is arranged in the circular ring groove, a small motor is arranged in the movable block, a rotary shaft lever is arranged between a spindle of the small motor and the rotary block, a rotary action circular ring is arranged on the bottom wall of the circular ring groove, a rotary driving motor is arranged on the support, a driving gear is fixed onto a spindle of the rotary driving motor, a tooth space is arranged on the outer ring surface of the rotary action circular ring, and small soil loosening shovels are uniformly fixed to the surface of the rotary shaft lever. The garden pot culture device has the advantages that the garden pot culture device is reasonable in structure arrangement, and the soil loosening efficiency can be effectively improved; the soil loosening comprehensiveness can be effectively guaranteed, and the garden pot culture device is good in service stability and practicality and high in applicability.

The invention discloses a stacked combined type heavy hammer sheet and a manufacturing method thereof and belongs to the technical field of hammer manufacturing. The heavy hammer sheet comprises heavyhammer sheet bodies, wherein a square groove is formed in an upper surface of each heavy hammer sheet body, a connecting rod mounting groove is formed in the middle of each heavy hammer sheet body, the multiple heavy hammer sheet bodies are arranged in an overlapped mode, butt joint pieces are symmetrically mounted on two sides of the connecting rod mounting groove in the middle of each heavy hammer sheet body, and the butt joint pieces are symmetrically distributed with the circle center point of each heavy hammer sheet body as the center. The stacked combined type heavy hammer sheet is advantaged in that the whole combined heavy hammer sheet is integrated into a whole, overall stability is improved, after the heavy hammer sheets are combined, the combined heavy hammer sheets are arranged on the cable, the heavy hammer sheet is convenient to assemble and disassemble, high in bonding strength, high in use stability and high in practicability, shock resistance is improved, use safety is improved, compactness and waterproof performance of a coating can be effectively improved, connecting friction force is increased when the square connecting rod mounting groove polished by a file ismounted, and mounting stability is improved.

The invention discloses a wear-resistant glaze, which belongs to the technical field of glaze production, and discloses a ceramic glaze which comprises the following components in percentage by weight: 10-15% of frit, 5-15% of spodumene, 7-10% of wollastonite, 5-10% of kaolin, 4-6% of white corundum, 2-5% of calcite, 6-9% of barium carbonate, 8-12% of glass powder, 10-15% of functional powder andthe balance of potassium feldspar. The glaze provided by the invention has the characteristics of good wear resistance, high strength and high quality, has strong bonding strength with a ceramic baselayer, is not easy to fall off, and has strong use stability and long service life.

The invention discloses a board grinding device for furniture production and processing, which comprises a device body; the device body is mainly composed of an operation platform and a support frame; a support rod is fixedly connected to the right side wall of the operation platform, and the top of the support rod is rotatably connected to a screw rod; the right surface of the operation platform is fixedly connected with a slide rail, the surface of the slide rail is slidably connected with a sliding block, and the top of the sliding block is fixedly connected with a sliding base; the surface of the sliding base is fixedly connected with a drive motor, and the shaft end of the drive motor is connected with a Grinding wheel, the end of the screw rod is fixedly connected with a hand wheel, and the bottom of the device body is provided with a discharge device. blade. The device enhances the stability of the wooden board and is convenient for grinding. The crushing teeth of the discharge wheel can crush the wood chips during the rotation process, avoiding the blockage of the ash hopper, and providing convenience for the ash discharge work.

The invention provides a spleen-tonifying traditional Chinese medicine composition which is prepared by mixing 10g of wrinkled giant hyssop, 10g of cassia twigs, 10g of atractylodes macrocephala, 15g of white paeony roots, 6g of fructus amomi, 6g of ligusticum wallichii, 10g of eupatorium, 3g of dried ginger, 10g of rhizoma cyperi, 10g of corydalis turtschaninovii, 10g of radix aucklandiae, 10g of perilla frutescens, 10g of poria cocos, 10g of lindera aggregata, 10g of kudzuvine roots and 10g of coix seeds, adding water which accounts for 10 times of the weight of the medicines, soaking for 0.5 hour, boiling for 1 hour, filtering, adding water which accounts for 8 times of the weight of the medicines into the medicine residues, boiling for 1 hour, filtering off a decoction, combining two decoctions, concentrating till the relative density is 1.05 at 60 DEG C, adding ethanol till the volume percentage of alcohol is 75%, stirring, standing, filtering, concentrating the filtrate till the relative density is 1.25 at 65 DEG C, recycling ethanol so as to obtain concentrated liquid, performing supercritical fluid extraction so as to obtain supercritical fluid extract, continuously concentrating and drying a concentrated solution by virtue of a common method. The content of ligustrazine of the prepared spleen-tonifying traditional Chinese medicine composition is high.

The invention provides a baicalein aluminum capsule, wherein a preparation method comprises the following steps: preparing 1000g of coarse radix scutellariae powder, soaking the coarse powder in water which is 10 times the total weight of the medicinal material (the radix scutellariae) for 0.5h, conducting decocting for 1h, and conducting filtering; decocting medicine dregs in water which is 8 times the total weight of the medicinal material for 1h, and filtering medicine liquid; combining two times of decoctions, and conducting concentrating until relative density is 1.05 at 60 DEG C; adding ethanol until an alcohol content is 75% by volume; conducting filtering, standing by and filtering; concentrating a filtrate until relative density is 1.25 at 65 DEG C, and recovering the ethanol, so that a concentrated solution is obtained; slowly adding a saturated alum water solution until a precipitate is formed, conducting filtering, and washing the precipitate by virtue of water until no sulfate radical exists; and conducting drying, crushing and granulating, and adding a capsule paste, so that the baicalein aluminum capsule is obtained. The prepared baicalein aluminum capsule is high in baicalin content and the baicalein aluminum capsule is capable of inhibiting the proliferation of swiss mouse embryonic NIH/3T3 cells.

The invention discloses a sponge municipal water storage apparatus, and belongs to the technical field of water storage and utilization. The apparatus comprises a glass steel tank body and a water storage tank, a first separation plate and a second separation plate are arranged in the glass steel tank body, the first separation plate and the second separation plate divide the glass steel tank body into a first water treatment chamber, a second water treatment chamber and a third water treatment chamber, a silt separator is arranged above the first water treatment chamber, the silt separator is connected with a water outlet pipe and a sewage pipe, a water treatment machine is arranged above the third water treatment chamber, and the water storage tank is fixedly connected with an overflow device. Municipal rainwater and sewage are directly separated through the silt separator, are introduced into the glass steel tank body, are precipitated, and are purified through the water treatment machine to obtain treated water which can be used as domestic water, so the apparatus has the advantages of changing of wastes into valuables, no conveying of the municipal rainwater or sewage to a sewage treatment plant or treatment of the municipal rainwater or sewage, short process, high treatment efficiency, low treatment cost, energy saving, environmental protection, and suitableness for large-scale promotion and application.

The invention discloses a construction method for a two-section horizontal well. The construction method comprises the following steps of: for the first section, drilling to 700-800 m of the well depth using a 346 mm drill bit; for the second straight well section, drilling to 2800-2900 m of the well depth using a 222 mm drill bit, and for an inclined and horizontal well sections of the second section, drilling to the whole well depth using a 215.9 mm drill bit and thus finishing drilling; carrying out a drifting process; lowering a well cementing and completion integrated tubular column device for the second-section horizontal well, and circulating mud by more than 1.5 cycles; injecting 1.4-1.5 kg/m<3> of leading cement slurry; injecting 17-25 m<3> of cement slurry; injecting 5 m3 of clear water, and 2 m<3> of sodium carboxymethylcellulose spacer fluid; injecting 25-30 m<3> of potassium chloride solution instead of mud, and throwing in one 41.3 mm setting ball; injecting 50-60 m<3> of potassium chloride solution; carrying out electrical logging on the well cementing quality; and carrying out fracturing construction inspection. The construction method for a two-section horizontal well has the advantages that the speed of drilling is improved, adjustment can be achieved in case of a great change in the dip angle of a reservoir stratum, and high flexibility.

The invention discloses a zero-transition low-voltage intelligent reactive power compensation control device which comprises a central processor, a storage device in connection with the central processor through a cable, a time clock circuit in connection with the central processor through a cable, a touch screen circuit in connection with the central processor through a cable, a signal sampling circuit used to synchronously sample the voltage signals and the current signals of various phases, a signal processing circuit connected between the signal sampling circuit and the central processor through a cable, a control signal output circuit in connection with the central processor through a cable, an RS485 communication circuit in connection with the central processor through a cable and an alternating current and direct current converter. The structure of the device is reasonably designed to realize the rapid reactive power compression without any delay so that over-compensation or lacked compensation could be avoided. Therefore, the shortcomings seen in the prior art related with delayed compensation or lacked compensation could be well addressed. In addition, the device is stable and practical in use.

The invention relates to the technical field of electronic cigarettes, in particular to an electronic cigarette with cigarette cartridge detection. The electronic cigarette comprises a host body, a cigarette cartridge cavity arranged on the host body, a base arranged in the cigarette cartridge cavity, a heating element arranged on the base and a PCB (Printed Circuit Board) electrically connected with the heating element, wherein the cigarette cartridge cavity is provided with a switching device used for heating the cigarette cartridge by the heating element when the cigarette cartridge is inserted. Therefore, through the cooperative induction of a starting element and a trigger element, signal input is realized, transmission among machines is not in the presence in the process, i.e., abrasion among machines is not in the presence, the service life of the switch is longer, and use stability is higher. In addition, according to the design of automatic switch starting, the surface of thehost body is not provided with any button, the waterproof and dustproof performance of the host body is improved, meanwhile, a situation of heating element dry burning since the switch is in touch bymistake can be avoided, and the host body is safe and energy-saving.

The invention relates to a magnetic abutting device of a ROV and an operation tool library. The magnetic abutting device is used for mechanical, hydraulic or circuit connection between the ROV and theoperation tool library. The abutting device comprises an upper module and a lower module, wherein the upper module and the lower module are respectively fixed on the ROV and the operation tool library by a framework, a guide mechanism, a magnetic lifting device, a magnetic induction electrical connector and a magnetic coupler are arranged on each of the two modules, the guide mechanisms are usedfor adjusting a position before abutting, the magnetic lifting devices automatically suck to each other so that a ROV body and the operation tool library are connected, the magnetic induction electrical connectors are abutted to achieve electrical energy and control signal transmission, and the magnetic couplers are connected so that a motor on the ROV drives a hydraulic pump of an operation toolbox. Compared with the prior art, the magnetic abutting device has the advantages that the abutting gap is relatively large, abutting stuck is prevented, a plug is not needed to be plugged out by a wet hand, the reliability is improved, and the economic cost is reduced; the modular design of the abutting device is applicable to various tool libraries, and the abutting device is convenient to replace and install and simple to operate.

The invention provides a preparation method of a Yixuanning capsule. The preparation method comprises the following steps of taking 20g of fried fructus xanthii, 15g of flos chrysanthemi, 15g of bile arisaema, 15g of radix scutellariae, 15g of caulis bambusae in taeniam, 20g of calcined oyster shell, 10g of fructus crataegi, 15g of pericarpium citri reticulatae, 15g of radix paeoniae alba, 15g of ferrosic oxide, 20g of poria cocos and 20g of fructus lycii; adding water of which the weight is ten times that of the twelve medicinal materials; adopting specific concentrating and drying equipment. The content of total glucosides of radix paeoniae alba in the prepared Yixuanning capsule is high; the Yixuanning capsule is found to be applied in preparation of medicines for suppressing african green monkey kidney Vero-E6 cell proliferation.

The invention discloses a printed circuit board and a manufacturing method of the printed circuit board, and relates to the technical field of printed circuit boards. The printed circuit board comprises a substrate, a first mounting surface and a second mounting surface, the two opposite surfaces of the substrate are respectively provided with the first mounting surface and the second mounting surface, the surface of the first mounting surface is provided with a core plate, a through hole is further formed in the surface of the first mounting surface, a metal film is connected with the surface of the inner side of the through hole, the core plate matches the metal film, groove-shaped holes are connected with the peripheral side of the through hole, welding spots are arranged at the connecting positions of the through hole and the groove-shaped holes, a heat dissipation plate is arranged on one side of the second mounting surface, sliding blocks are connected with the two opposite side surfaces of the heat dissipation plate, sliding grooves are formed in the surface of the inner side of the substrate, the sliding blocks match the sliding grooves in a sliding mode, and the sliding blocks are in sliding fit with the sliding grooves. The printed circuit board has an installation protection effect on a main control module, the service life of the printed circuit board can be effectively guaranteed, and the manufacturing method of the printed circuit board is simple, convenient, high in manufacturing efficiency and low in cost.

The invention discloses complete equipment special for preparing a high-hardness glass drill bit. The complete equipment comprises a handle clamping mechanism, a first sliding rail, a first push rod, a head clamping mechanism, a second sliding rail, a second push rod, a rotation driving mechanism, a supporting frame, a grinding mechanism and lifting push rods; the handle clamping mechanism is arranged on a working table in a sliding mode through the first sliding rail; the first push rod is arranged on one side of the handle clamping mechanism; the head clamping mechanism is arranged on the working table in a sliding mode through the second sliding rail; the second push rod is arranged on one side of the head clamping mechanism; the rotation driving mechanism is arranged on one side of the head clamping mechanism and drives the head clamping mechanism to rotate; the supporting frame is arranged at the middle end of the working table; the grinding mechanism is arranged at the bottom end of the supporting frame; and the lifting push rods are arranged on the two sides of the inner top face of the supporting frame. The complete equipment can grind a plurality of glass drills at the same time, the process preparation efficiency is high, the clamping and fastening performance on the single glass drill is high, and the grinding effect is good.

The invention discloses a manufacturing method for a marine anticorrosive coating. A manufacturing device for the marine anticorrosive coating comprises a base plate, wherein a supporting base frame is arranged on the base plate; a supporting top frame is fixedly arranged above the supporting base frame; the end surface of the right side of the supporting base frame is vertically and symmetricallyprovided with mounting plates; a material storage drum is arranged in the mounting plates; a material storage space is arranged in the material storage drum; a plug-in cavity is arranged in the end surface of the right side of the supporting base frame; a driving rotating shaft is arranged between the top wall of the plug-in cavity and the end surface of the top part of the supporting base framein a rotatable fit manner; the tail end of the bottom part of the driving rotating shaft is fixedly provided with a first gear; the outer periphery of the material storage drum is fixedly provided with an outer gear ring mutually meshed with the first gear; a sliding chamber penetrates through and is arranged in the supporting top frame in a leftward-to-rightward manner; and a cross beam frame isarranged in the sliding chamber in a rightward extending manner.

The invention belongs to the technical field of bathing tools, and particularly discloses a bathing auxiliary seat suitable for old people. The seat comprises a mounting frame mounted on an external wall surface, symmetrically distributed sliding seats are fixedly distributed at the middle positions of the two ends of the mounting frame, and a seat back plate is slidably connected to the mountingframe through the sliding seats; a groove is formed in the seat back plate, a seat is hinged to the bottom end of the seat back plate, a seat bottom plate is hinged to the lower portion of the seat, and supporting legs are hinged to the bottom end of the seat bottom plate; a leg supporting frame is additionally mounted at the bottom end of the mounting frame, during bathing, a user can sit on theseat, put legs on the leg supporting frame and rotate the leg supporting frame by the aid of a ratchet wheel, the leg supporting frame is a telescopic supporting rod, and a telescopic spring is arranged in the leg supporting frame and can automatically stretch out and draw back without the action of external force. And a foot pedal is connected with the telescopic rod through a special-shaped spring, so that the inclination angle change can be realized when the foot pedal is treaded by external force.