49results about How to "With earthquake resistance" patented technology

The invention discloses an yttrium-element autoclaved aerated concrete block and a preparation method thereof. The yttrium-element autoclaved aerated concrete block is divided into an yttrium-element sand aerated concrete block and an yttrium-element ash aerated concrete block and belongs to the field of building materials. The yttrium-element sand aerated concrete block is composed of the following raw materials by weight parts: 55-70 parts of sand, 0.03-0.06 parts of yttrium oxide, 23-28 parts of lime, 6-11 parts of cement, 2-6 parts of gypsum, 0.8-1.2 parts of aluminum powder and 2-7 partsof calcium-based bentonite. The yttrium-element ash aerated concrete block is composed of the following raw materials by weight parts: 60-70 parts of coal ash, 0.03-0.06 parts of yttrium oxide, 25-30parts of lime, 6-8 parts of cement, 2-6 parts of gypsum, 0.8-1.2 parts of aluminum powder and 2-7 parts of calcium-based bentonite. Compared with the present autoclaved aerated concrete block, the yttrium-element autoclaved aerated concrete block has the advantages that the filling property is greatly promoted, namely, the compression strength is promoted.

The invention relates to the technical field of rail vehicle sales showcases, especially to a sales showcase for railway vehicle part machining. The sales showcase for railway vehicle part machining comprises a showcase body, and a plate base is welded to the inner side wall of the top of the showcase body. Gear rings distributed in an annular structure are welded to the periphery of the inner side wall of the plate base. Four planet wheels meshed with the gear ring are movably connected to the periphery of the inner wall of the bottom of the plate base through a rotating shaft, a sun wheel meshed with the planet wheels is movably connected to the axis of the inner wall of the bottom of the plate base through a rotating shaft, supporting columns are welded to the axis of the outer walls ofthe tops of the sun wheel and the planet wheels, and a containing disc is welded to the top ends of the supporting columns. The sales showcase has the beneficial effects that parts on the placement disc can rotate during display; the exhibition effect of the parts is improved, the parts can be observed at multiple angles, the parts can be displayed in an all-around mode, customers can fully knowthe parts conveniently, the sales volume of the parts is increased, and the parts can be placed in different states and can be easily and properly fixed.

The invention relates to a lightweight building block which comprises raw materials in percentage by weight: 20% to 35% of metakaolin, 10% to 15% of steel slags, 20% to 35% of water, 13% to 50% of lightweight aggregates and 0% to 2% of exciting agent. A preparation method of the lightweight building block comprises the steps of: (1) carrying out raw material configuration; (2) placing the raw materials into a die to carry out shaping; (3) carrying out primary maintenance and molding; and (4) carrying out demolding and secondary maintenance. The method disclosed by the invention uses the metakaolin and the steel slags as the raw materials to produce the novel unfired building block, and is simple in preparation process; the building block is high in strength, has thermal insulation, is waterproof, can be nailed and sawed, has the characteristics of a certain earthquake resistance capacity, low cost, environmental protection, low carbon and the like, and is a novel wall material convenient to construct.

The invention discloses a cast-in-situ ardealite based early strength fireproof composite wallboard and a preparation method thereof, and the cast-in-situ ardealite based early strength fireproof composite wallboard is convenient to construct. The preparation method comprises the following steps of (1), manufacturing and erecting of calcium silicate boards; (2), preparation of a gypsum based light fireproof material; and (3) material pouring and forming. By adoption of the cast-in-situ ardealite based early strength fireproof composite wallboard and the preparation method thereof, formwork erecting and dismantling, circulation work and the cost of a cast-in-situ wall are reduced, the fireproof performance of the composite wallboard is improved, the apparent density of the composite wallboard is decreased, the self weight is decreased, meanwhile, the strength of the composite wallboard is ensured, and the hydrolytic resistance of the gypsum based material is improved; and the cast-in-situ ardealite based early strength fireproof composite wallboard is a novel building material which is low in weight, high in strength, capable of preserving heat and insulating heat, excellent in fireproof performance and easy, convenient and fast to construct, has a certain anti-seismic capacity, and is environmentally friendly and free of poison, and solid waste is utilized in a resourceful mode.

The invention discloses a safe and efficient supporting device for an oil and gas pipeline and an oil and gas pipeline system. The safe and efficient supporting device comprises a supporting mechanismand a pipeline clamping assembly arranged at the top of the supporting mechanism. The supporting mechanism comprises a bottom supporting column, a top supporting column and a wedge transmission assembly. A step containing groove is formed in the bottom supporting column, and a spring is placed in the step containing groove. A locking part axially extends from the bottom edge of the top supportingcolumn. The wedge transmission assembly comprises a first wedge piece and a second wedge piece which are in wedge fit. The wedge transmission assembly has a locking position and an unlocking position. At the locking position, the wedge transmission assembly is located in the groove wall of the step containing groove. At the unlocking position, the top of the second wedge piece supports the bottomface of the top supporting column. According to the safe and efficient supporting device for the oil and gas pipeline and the oil and gas pipeline system, when a supporting foundation such as a stratum moves downwards, the supporting mechanism can be lengthened and still maintain certain supporting force, and therefore, the anti-seismic capacity for stratum downward movement is achieved.

The invention relates to a light unfired building block, which comprises 20%-30% of metakaolin, 5%-10% of industrial by-product gypsum, 60%-70% of light aggregate and 0%-5% of fiber. Its preparation method includes the following steps (1) raw material configuration, (2) molding and curing (3) demoulding and secondary curing. The method of the present invention uses metakaolin and industrial by-product gypsum as raw materials to prepare a The new light-weight non-fired block has a simple preparation process. It is a new type of wall that is light, high-strength, heat-insulating, nailable, sawable, and planable. It has certain earthquake resistance, low cost, environmental protection and low carbon, and is convenient for construction. body material.

The invention provides a knife sharpener, which can be used for sharpening a knife. The knife sharpener comprises a knife sharpening assembly and a base, wherein the knife sharpening assembly is positioned on the base; the base comprises a supporting surface; the supporting surface is used for positioning the knife; the knife sharpening assembly is separated from the base during knife sharpening; one side of the knife is positioned on the supporting surface; and the knife sharpening assembly slides along the other side of the knife. The knife sharpener provided by the invention solves the problem that the knife face of an existing knife sharpener cannot be well supported and fixed in the knife sharpening process; and by designing a reusable base structure which can be used for positioning the knife sharpening assembly and can also support and fix the knife face in the knife sharpening process, knife deformation can be avoided, and the knife sharpening effect is greatly improved.

The invention discloses a domestic ceramic with seismic performance. The domestic ceramic is prepared from the following raw materials in parts by weight: 6-11 parts of graphite, 6-10 parts of silicon dioxide, 5-11 parts of barium oxide, 3-8 parts of phosphoric acid, 3-6 parts of zinc sulfide, 7-11 parts of barium sulfide, 7-9 parts of purple clay, 3-6 parts of ferric oxide, 6-9 parts of iron oxide red, 4-10 parts of boron carbide, 3-8 parts of lanthanum oxide, 6-11 parts of hydroxypropyl methylcellulose, 3-7 parts of EBS, 6-10 parts of fluororesin, 6-8 parts of polyvinyl alcohol, 4-6 parts of sodium pyrophosphate, 6-9 parts of tetraethyleneglycol dimethyl ether, 5-8 parts of chlorosilane, 5-8 parts of wear-resistant agent and 1-4 parts of stabilizer. The domestic ceramic with the seismic performance, disclosed by the invention, has the beneficial effects of good strength, certain seismic capacity and good intergranular caking property, and breakage of the ceramic is reduced.

The invention discloses dough surface interval water coating equipment for a fried bread stick machine and a water coating method, and belongs to the technical field of food processing.The dough surface interval water coating equipment comprises a bottom plate and a top frame fixedly connected to the outer wall of the top of the bottom plate, and the inner wall of the top of the top frame is fixedly connected with two adjusting assemblies and a rolling assembly arranged between the adjusting assemblies; the rolling assembly comprises a cover and a vertical plate fixedly connected to the outer wall of the bottom of the cover, the outer wall of the bottom of the vertical plate is spherical, and a through groove is formed in the outer wall of the bottom of the vertical plate. According to the invention, the rolling assembly is arranged; the two functions of dough blank groove pressing and water coating can be organically combined through a vertical plate and a plug plate, meanwhile, after a connecting plate drives the plug plate to ascend, an air guide hole is communicated with a flow channel, so that the air pressure of the top and the air pressure of the bottom of a water body are the same, and water discharging is accelerated; the needed amount of coating water can be determined according to the descending height of the rolling assembly, namely the depth of a dough blank groove, and meanwhile the diamond structure can prevent final water from being retained in the balance water tank.

A shock and wind reducing type steel structure fabricated temporary dwelling comprises a house, and the house is composed of a roof, multiple external wall mounting plates, a first neodymium-iron-boron magnet patch and multiple cross beams. Each external wall mounting plate comprises a vertical rod, a cross rod, a sun shield and a damping mechanism, and round holes are formed in the vertical rodsin the axial direction. Limiting blocks are fixed to the two sides of each vertical rod, and the cross rods are hinged to the two sides of the upper ends and the lower ends of the vertical rods. Mounting blocks and fixed plates are fixedly mounted on the cross rods. The first neodymium-iron-boron magnet patch can drive the external wall mounting plates to be mounted to be conveyed upwards, and a transmission system can be controlled by a controller. According to the shock and wind reducing type steel structure fabricated temporary dwelling, round design is overall adopted, and the shock and wind reducing type steel structure fabricated temporary dwelling is fashionable and attractive and has certain wind resisting performance. The house has certain earthquake resisting capacity, the housecan be prevented from collapsing as far as possible, and people in the house are prevented from being injured or dying as far as possible; and house external walls are mounted in a special manner, thehouse building period is short, and meanwhile the labor intensity of building worker is reduced.

The invention provides double-rail avoidance-free three-dimensional parking equipment. The double-rail avoidance-free three-dimensional parking equipment comprises a concrete layer (1), a lower-layer reinforcement mesh (5) arranged in the concrete layer (1), an upper-layer reinforcement mesh (4) arranged on the surface of the concrete layer (1), a first rail (6) and a second rail (7) fixed to the concrete layer (1), connecting channel steel (3) used for connecting the first rail (6) and the second rail (7) with the concrete layer (1), and foundation bolts (2) used for fixing the connecting channel steel (3) to the concrete layer (1), wherein the first rail (6) and the second rail (7) are fixed to the concrete layer (1), and the upper-layer reinforcement mesh (4) and the lower-layer reinforcement mesh (5) are both arranged transversely. The double-rail avoidance-free three-dimensional parking equipment has the capacities of resisting 1, typhoons of the 12th level, 2, accumulated snow with the thickness of 30 cm, and 3, earthquakes of the eighth magnitude.

The invention discloses a welded building changing magic block. The welded building changing magic block is characterized in that the welded building changing magic block comprises a light material (1), steel nets (2) and steel bars (3), the steel nets (2) and the steel bars (3) are connected and made into an inner framework, and the inner framework is filled with the light material (1); and the light material (1), the steel nets (2) and the steel bars (3) are of an integral structure, the positions, exposed out of the edge of the light material (1), of the ends of the steel bars (3) are provided with welding points (4). The welded building changing magic block has the following advantages that the welded building changing magic block can be directly used for frame buildings, steel frame buildings, short buildings, villas, bungalows and the like, welding forming is achieved directly through the welding points, welding forming can also be achieved through direct welding of the welding points and the steel frame, the certain anti-seismic capacity is achieved, the cost is low, manufacturing is convenient, and the welded building changing magic block can be manufactured according to different requirements of the temperature, hardness, durability, shape, size and the like and is about to become a best-selling product.