490results about How to "Compact internal structure" patented technology

The invention discloses an indoor water-based ultrathin steel-structure fireproof coating and a preparation method thereof. The indoor water-based ultrathin steel-structure fireproof coating includes the following components: in weight percentage, 17-20% of tap water, 25-30% of water-based acrylic emulsion, 38-45% of expansion flame retardant system, 5-10% of waterproof filler, 0.4-0.6% of wetting dispersant A, 0.8-1,2% of wetting dispersant B, 4-6% of anti-freezing agent, 0.3-0.5% of defoamer, 1-2% of filming auxiliaries, 0.1-0.2% of pH (potential of hydrogen) regulator, 0.4-0.5% of flatting agent, 0.1-0.2% of thickener and 0.2-0.4% of anticorrosion and mildew-proof agent. The coating is free of any harmful substances such as organic solvent and heavy metal and the like and is environment-friendly, non-toxic, safe in storage and excellent in fireproof heat-insulation performance. Comprehensive performances of the coating can meet national standards and completely meet the application requirement of steel-structure fireproof protection.

A multi-cyclone separating apparatus of vacuum cleaner comprises a upstream cyclone forming upstream separating chamber inside, downstream cyclones at least one of which forming downstream separating chamber inside, the upper part of the upstream cyclone chamber is connected with an air inlet passage, said upstream cyclone has a upstream guide air intake inside, the downstream cyclone has a downstream air intake and the downstream cyclone has a downstream guide outlet inside, an air passage is formed between upstream guide air intake and downstream guide outlet which connected with the two. The multi-cyclone separating apparatus also comprises an outer cyclone body, the upstream cyclone is located inside of the outer cyclone body and the entrance of air inlet passage is located at the outer cyclone body or extend to the outside of the outer cyclone body.

The invention discloses an underwater wet welding tracking system based on active vision. A front end cover of a sealed box body is matched with a pressing cover, a threaded hole is formed in a rear end cover and is matched with a base, and a threaded hole is formed in one side outside the sealed box body; an arc blocking plate is installed and fixed between a welding torque and a sensor, an external sealing connector of a cable is connected with the sealed box body, a supporting structure is designed to be a T-type plate, a transverse plate is fastened to the rear end cover of the sealed box body, a CCD and a steering gear are installed and fixed to the two faces of a vertical plate respectively, and a laser is installed on the steering gear. According to the system, the sensor is sealed well, and the structure is portable. The interior structure is made to be compact due to the design of the T-type plate, and all the components are convenient to disassemble and assemble. The external sealing connector of the cable makes weak sealing links sealed well. The image acquisition effect is remarkably enhanced due to the design of the arc blocking plate. The laser can be regulated automatically due to the fact that the steering gear is installed and can be regulated conveniently and accurately.

The invention relates to a composite magnetic cation exchange resin, as well as a preparation method and application thereof. The resin consists of macroporous cation exchange resin at an outer layer and one or a plurality of magnetic cores embedded inside, wherein the weight ratio of the macroporous cation exchange resin to the magnetic cores is 0.4-10:1; each magnetic core consists of gel-type resin and one or a plurality of magnetic particles embedded inside the gel-type resin; and the weight ratio of the gel-type resin to the magnetic particles is 1.2-100:1. The preparation method comprises the steps of coating the magnetic particles with the gel-type resin so as to prepare the magnetic cores, coating the outer layers of the magnetic cores with the macroporous resin, performing sulfonation or hydrolysis and obtaining the composite magnetic cation exchange resin. The composite magnetic cation exchange resin provided by the invention can be used in metal enrichment, wastewater treatment, biochemical, medical, pharmaceutical and other fields, and particularly the composite magnetic strong-acidic resin provided by the invention can be used for catalytic polymerization, etherification, hydration and other chemical reaction in magnetically stabilized beds, magnetically fluidized beds, magnetic suspension beds and other reactors.

The invention provides a safe lifting platform, comprising a lifting column, a motor driving the lifting column to move, a platform connected to the lifting column, a control panel electrically connected to the motor, a safety protection device is provided between the platform and the lifting column, and the safety protection The device includes an inductive element and a trigger that causes the inductive element to generate a safety signal when the platform collides. The inductive element is electrically connected to a control board, and the control board receives the safety signal from the inductive element and controls the motor to stop or reverse rotation. By installing a safety protection device between the platform and the lifting column, the sensitivity of the platform under the action of external force is improved, and the accuracy of the detection of the safety protection device is further improved; at the same time, the safety during the lifting process is improved, and platform collision is avoided. It can protect the safety of people when they are damaged by obstacles, or even when people hit the platform.

The invention relates to a fast method for shaping resin composite material element, employing epoxy resin (E-51) and acrylic acid, carbonized silicon crystal whisker as intensifier, N,N-dimethylaniline as accelerant, p-methyl phenoxide as inhibitor, trimethylolpropane acrylate as diluting monomer, isopropyl thioxanthones as photo-initiation agent, silane coupling agent (KH-560) as modifier, and methanol as dissolvent. The method comprises following steps: synthesizing epoxy acrylate, diluting with trimethylolpropane acrylate, synthesizing photosensitive resin, synthesizing resin composite material miscible liquids with photosensitive resin and carbonized silicon crystal whisker, fast shaping element on photo-hardening shaping device, the composite material miscible liquid is controlled by ultraviolet light source, focusing lens focusing lens and computer program in electrode tank of X-Y-Z working bench. The invention provides a fast method for preparing injecting mold, flake grinder, ultra-thin element and accessory in special shape.

The invention provides a composite-coating continuous casting crystallizer copper plate with a long service life and a manufacturing technology thereof and belongs to the technical field of electroplating. The composite-coating continuous casting crystallizer copper plate with the long service life comprises a copper plate substrate and a coating on the surface of the copper plate substrate. The coating comprises an upper electroplating layer and a lower coating layer. The upper electroplated layer is a pure nickel layer or a low-cobalt nickel alloy layer resistant to high temperature and corrosion. The mass percent of cobalt in the low-cobalt nickel alloy layer is not higher than 3%. The lower coating layer is a wear-resistant coating layer or a ceramic coating layer. According to the composite-coating continuous casting crystallizer copper plate with the long service life and the manufacturing technology thereof, the electroplating technology and the supersonic thermal coating technology are combined, the upper portion and the lower portion of the crystallizer copper plate are different alloy coating layers, the different requirements for the upper portion and the lower portion of the crystallizer copper plate in continuous casting are effectively met, the upper electroplating layer is not prone to thermally cracking and falling at a high temperature, the lower coating layer has the excellent wear-resistant performance, in this way, the service life of the continuous casting crystallizer copper plate is greatly prolonged, and the product quality is greatly improved.

The present invention discloses a method for preparing powder walnut oil with high embedding rate. Said method includes the following steps: (1), after the monoglyceride, lecithine and Tween-60 as emulsifying agent are dissolved in water, successively adding octylene succinic acid esterified starch HI-CAP100 and maltodextrin as wall material to obtain wall material aqueous solution for stand-by; (2), adding walnut oil into the above-mentioned wall material aqueous solution, shearing and homogenizing to make the walnut oil be uniformly dispersed in the wall material aqueous solution; under the action of emulsifying agent forming O/W (oil-in-water) type emulsion with good emulsification stability; and (3), utilizing drying process to remove water content from emulsion, making wall material be formed into film, then the walnut oil can be uniformly embedded by all material film so as to obtain the invented powder walnut oil with high embedding rate.

The present invention discloses an isothermal dehumidification air conditioner. It is characterized by that the compressor is connected with outdoor heat exchanger and second indoor heat exchanger by means of four-way reversal valve, one end of said four-way reversal valve connected with second indoor heat exchanger is respectively connected with first heat exchanger and throttle capillary tube by means of electromagnetic valve, the first indoor heat exchanger, second indoor heat exchanger and another end of the throttle capillary tube are connected with another end of outdoor heat exchanger by means of electromagnetic valve. Said air conditioner can utilize the opening and closing of four-way reversal valve, electromagnetic throttle valve and electromagnetic valve to control flow line of refrigerant so as to make refrigerant of internal circulation in air conditioner be successively passed through two indoor heat exchangers to implement isothermal dehumidification function of air conditioner.

An instant disinfectant is prepared from halogen-contained disinfectant, disintegrant, lubricant and filler through mixing and tabletting.

The invention relates to vitrified microsphere thermal insulation mortar with a self-humidity-control function, which has components as follows: vitrified microsphere, perlite sand, cement, re-dispersible latex powder, high silicon mordenite powder, methyl hydroxyethylcellulose ether, blended fiber, thickener and water reducer. The invention successfully introduces natural zeolite into preparation of the vitrified microsphere thermal insulation mortar, which, on the one hand, improves compactness of the mortar and on the other hand does not reduce thermal insulation performance of the mortar and displays certain hydrophilicity, thus reducing the bleeding of the mortar; when the environmental temperature changes, the mortar is characterized by automatic moisture absorption or release which plays a role of conditioning moisture content of surrounding environment. Therefore, the thermal insulation performance of the mortar is not reduced but the strength is improved. Addition of hydration products in the mortar leads to density of internal structure and improves impermeability and frost resistance of the mortar. At the same time, the zeolite has good acid resistance; and after the natural zeolite is processed into the powder, the dosage of the cement can be replaced which undoubtedly makes contribution to improving the thermal insulation performance.

The invention provides a preparation method of hercynite, comprising the following steps of: dissolving iron salt and aluminum salt into water or alcohol to prepare a mixed solution in a molar ratio of iron ion to aluminum ion of 1:2; dropwise adding aqueous alkali into the mixed solution to neutralize till the pH value is 7; washing, dispersing and calcining precipitate; adding a binding material and graphite powder to be pressed into a briquette; sintering the briquette at the neutral atmosphere; and cooling to prepare the material. In the method, aluminum hydroxide precipitate and iron hydroxide precipitate, which are evenly mixed with each other, are generated by reaction of aqueous alkali, the aluminum salt and the iron salt react in the solution, and then the precipitate is dispersed by organic alcohol, so that the raw material can be sufficiently dispersed, the reaction is more sufficient and even, and the formed hercynite is more compact in an inner structure; and as the reductive graphite powder is added during sintering, the hercynite can be more preferably generated, so that the reaction time is shortened, and the content is increased.

The invention discloses an electric wheel hub, comprising a main shaft. A wheel hub casing is arranged on the main shaft through a wheel hub casing bearing; a motor, a planet wheel reducing gear and a clutch are arranged in the wheel hub casing; the motor uses a structure with an inner stator and an external rotor; a sun gear sleeved on the main shaft is fixed on the rotor and is meshed with a planet gear which is meshed with an inner gear ring fixed on the inner wall of the wheel hub casing; meanwhile, the planet gear is arranged on a planet shaft through a planet bearing; the planet shaft is fixed on the clutch which is fixed on the main shaft; and the planet gear adopts a duplicate gear which is formed by a bull gear and a pinion which are axially integrally formed, wherein the bull gear is meshed with the sun gear and the pinion is meshed with the inner gear ring. In the invention, the pinion of the duplicate gear is meshed with the inner gear ring, so that the inside diameter of the inner gear ring is reduced, the size of the wheel hub casing is correspondingly reduced, an internal structure of the whole electric wheel hub is more compact and the external volume is smaller.

The invention provides a mounting structure for a power battery pack of an electric automobile. The battery pack is rectangular, has a step shape with one higher end and the other lower end and is arranged below an automobile chassis; the higher end of the battery pack is arranged in a high space below a rear-seat bottom board; the lower end of the battery pack is arranged below a front-seat cab bottom board; an air inlet longitudinally formed in the middle of the lower end of the battery pack is positioned below a central pipeline; and two exhaust fans which are transversely arranged at the higher end of the battery pack are correspondingly arranged below the rear seat. The battery pack is positioned between a body transverse beam and a body longitudinal beam; lugs are respectively arranged on two longer sides and two shorter sides of the battery pack; and lug connecting blocks are respectively arranged on the body transverse beam and the body longitudinal beam correspondingly and are fastened and assembled through bolts so as to fix the battery pack on the automobile body. On one hand, the structure solves the problem of the contradiction between volume requirement and the arrangement space of the power battery and the contradiction between the large complete-automobile modification and reduction of man-machine comfort; on the other hand, the structure meets the requirement of the battery on complete automobile collision safety.

The invention provides an ultrathin lifter and an integrated speaking independent lifter, relating to the technical field of computers, designed for solving the problem that the hole sizes of productsof relevant types on a table top are too large, and a large usable area of the table top is occupied. The invention relates to the ultrathin lifter. The ultrathin lifter comprises a case, wherein thewidth of the case is D1, the size range of D1 is greater than or equal to 40mm and smaller than or equal to 47mm. The invention further relates to the integrated speaking independent lifter. The integrated speaking independent lifter comprises a microphone and the ultrathin lifter, wherein the microphone is arranged in the case, a through hole is formed in a cover board, a second lifting device used for lifting the microphone up and down is further arranged in the case, and the microphone extends to the outside of the case through the through hole. For the ultrathin lifter and the integratedspeaking independent lifter provided by the invention, the area of holes of the table top can be greatly reduced, and thus the use area of the table top is greatly increased.

The invention discloses a modularized joint for a hollow series-connection mechanical arm. The modularized joint comprises a casing, wherein a rear cover is mounted on the casing; an opening is formed in one side of the casing; a support is mounted in the casing; a servo motor and a tensioning mechanism are mounted on the top surface of the support; a gear reducer is fixed on the casing below the support; the tensioning mechanism comprises a bearing seat; a joint tensioning shaft is mounted in the bearing seat; the bearing seat is supported by and fixed on a belt pulley tensioning swing rod; the belt pulley tensioning swing rod is rotationally connected onto the support through a mounting shaft; a power-loss brake is mounted on the bearing seat; one end of the joint tensioning shaft is fixedly connected with the rotor of the power-loss brake through a rotor hub while the other end of the joint tensioning shaft is connected with a belt pulley B; a belt pulley A is connected with the output shaft of the servo motor; a belt pulley C is mounted at the input end of the gear reducer; the belt pulley A, the belt pulley B and the belt pulley C are rotationally connected through a synchromesh gear belt. By adopting the modularized joint, the accurate positioning is realized, and the positional accuracy of a robot is improved.

The invention belongs to a vehicle transmission, and provides a vehicle hybrid power system achieving multi-power-source coupling. The problems that as for an existing hybrid power system, a motor isexcessively large in torque and excessively low in rotating sped, and thus the system is large in size, large in weight and high in cost are solved. The vehicle hybrid power system comprises an engine, a first motor, a second motor, a speed reducer and an output flange disc; the speed reducer comprises a speed reducer box, an input shaft and an output shaft, and further comprises a one-way clutch,a planetary gear train, a first motor gear pair and a second motor gear pair which are arranged in the speed reducer box; the planetary gear train comprises a sun gear, a planetary frame, a gear ringand planetary gears; one end of the input shaft is arranged on the speed reducer box and connected with engine output, and the other end of the input shaft is arranged on the gear ring; one end of the output shaft is fixedly connected with the gear ring, the other end of the output shaft is fixedly connected with the output flange disc, and outer teeth of each planetary gear are engaged with inner teeth of the gear ring and outer teeth of the sun gear correspondingly; and a first motor passive gear is arranged on the outer side face of the gear ring, and a second motor passive gear is coaxially and fixedly connected with the sun gear.

Disclosed is a laundry machine in which a tub is isolated from vibration of a drum, ensuring an increased size of the tub and an increased volume of the tub. This results in an increased capacity of the laundry machine. The increased size of the tub provides a sufficient space between the tub and a cabinet for installation of relevant constituent elements, thus accomplishing a compact interior structure of the laundry machine.