104results about How to "High hollow rate" patented technology

Disclosed is a prestressed concrete on-site pouring hollow slab filled with light material combined unit, which comprises light material combined unit, upper layer reinforcing steel bar, lower layer reinforcing steel bar, tendon, blind beam reinforcing steel bar and concrete. The light material combined unit consists of light tubes and connection bar, which is arranged between the upper layer reinforcing steel bar and the lower layer reinforcing steel bar, the combined unit tubes is in the same direction with the bigger bending moment within the slab, The blind beam is arranged at intervals of a certain distances, in which the tendon is centralized laid. Said on-site pouring slab has the advantages of both the prestressed structure and the hollow slab structure, has high hollow percentage, implements one time concrete pouring moulding, is suitable not only for one-way slab, but also for two-way slab. The slab has big span, light weight, good heat and sound insulation effects, good reliability, shock resistance and crack resistance.

A bidirectional vibration block-forming machine belongs to a forming equipment of a building block or a brick. A molding box (1) is a framework cutting through from top to bottom; an outer framework of the molding box (1) is arranged on four columns (17) of a machine frame (10); a lower pressure head (3) is correspondingly arranged under the molding box (1) while an upper pressure head (2) is arranged above the molding box (1); the lower pressure head (3) is connected with a cylinder (11) of the lower pressure head through a lower excitation mechanism while the upper pressure head (2) is connected with a cylinder (9) of the upper pressure head. The molding box (1) adopts the suspension arrangement, which can greatly reduce the frictional resistance, add the density and overall strength, reduce the formulation ratio of cement gelling raw materials and the manufacture cost and improve the vibration efficiency with lower vibration force, and can be made into bricks or brick products with multi-row, be convenient for material-saving and thermal insulation with a high hollow ratio, improve the grade of the wall materials and create beneficial conditions for the development of heat-preservation and heat-insulation products.

The invention discloses a split inserting type hole forming die which comprises an upper die and a lower die. The upper die is formed by arranging a plurality of insertion rod beams which are provided with hole forming insertion rods. The lower die comprises an insertion hole board, the two ends of the lower die are provided with side boxes for supporting, and guide rods are arranged on the insertion rod beams. Annular grooves are formed in the guide rods, and guide tubes are arranged in the side boxes. The top ends of the guide tubes are fixedly connected with clamping springs, and the upper die is supported through the clamping springs and the side boxes. The insertion rod beams are divided into more than two groups according to a downwards-moving order, and each group of the insertion rod beams comprises the plurality of insertion rod beams, the insertion rod beams of the same group are driven by the same pressure vibration table, and the rods are inserted into materials in batches to form holes. The split inserting type hole forming die is combined with a pole pulling device, and therefore the hole forming process of inserting the rods and pulling the rods out of a perforated brick can be finished. According to the split inserting type hole forming die, perforated brick products are more diverse, perforated bricks with smaller holes and higher hollow rates can be obtained, and in addition, the production efficiency is high, and the shapes of the holes are complete.

The invention relates to a slab-column structure hollow slap with mixed use of a filling rod and a filling box, and belongs to the field of general building constructions. The hollow slap comprises a column (1), a beam (2), a column side solid area (3), a beam side hollow area (4) and a central hollow area (5), and is characterized in that: a filling rod combined block (6) is arranged in the beamside hollow area (4); the orientation of the filling rod combined block (6) in the beam side hollow area (4) is accordant with the direction of the beam (2) which is adjacent to the filling rod combined block (6); the filling box (7) is arranged in the central hollow area (5); and the filling rod combined block (6) and the filling box (7) are positioned between an upper layer steel bar (8) and a lower layer steel bar (9) and are permanently embedded in concrete (10). A hollow floor provided by the invention is reasonably stressed along with a high hollow ratio, and the structure of the hollowfloor also has high reliability, earthquake resistance and cracking resistance, so the hollow floor has high economical efficiency and practicability.

The present invention relates to a multifunctional fast construction energy conservation brick (building block) which includes brick (building block) body disposed with blind holes or meropia holes in malposition arrangement, the top end surface namely the top closing surface for the blind holes or meropia holes is disposed with pits. The die of the invention includes an upper die, a lower die and a drive oil cylinder, the drive oil cylinder is connected to the main top plate, the upper end of the oil drive rod disposed on the top of the main top plate is connected to a transition plate and the lower end is connected to the top plate. One end of a spring drive rod disposed on the transition plate passes through a core column connection plate and connected to the lower end of a spring disposed on a die frame, the upper end of the spring is connected to the panel of the die frame. One end of the lower die connection rod is connected to an auxiliary top plate disposed between the main top plate and the transition plate, and another end passes through the transition plate and the core column connection plate and is connected to the lower die. The die guide rods disposed at two ends of the dies are packing the guide rod connection plate, the die frame panel, the core column connection plate, the transition plate, the auxiliary plate, the main top plate and the two ends of the lower guide rod connection plate.

The invention relates to an alpha + beta type two-phase titanium alloy for an aero-engine fan blade and a preparation method of the alpha + beta type two-phase titanium alloy for the aero-engine fan blade. The preparation method of the alpha + beta type two-phase titanium alloy for the aero-engine fan blade comprises the following steps that S1, the following chemical components are obtained: 4.2%-5.6% of aluminum, 7.5%-8.8% of vanadium, 0.18%-0.24% of oxygen, less than or equal to 0.5% of iron, less than or equal to 1% of niobium, 0.4%-0.8% of silicon, less than or equal to 0.05% of carbon, less than or equal to 0.05% of nitrogen, less than or equal to 0.015% of hydrogen and the balance of titanium and impurity elements; S2, the titanium alloy cast ingot is subjected to first-stage upsetting and drawing; S3, under the conditions of the preset temperature and the preset deformation amount, after reversing is conducted, second-stage upsetting and drawing are conducted on the titanium alloy cast ingot; S4, the titanium alloy cast ingot is heated to the temperature above the phase transformation point, and then the titanium alloy cast ingot is subjected to third-stage upsetting and drawing; S5, the titanium alloy cast ingot is heated to the temperature below the phase transformation point, then fourth-stage upsetting and drawing are conducted on the titanium alloy cast ingot, and a titanium alloy material is obtained; and S6, the titanium alloy material is subjected to heat treatment. The preparation method is applied to the technical field of titanium alloys.

The invention relates to a hollow glass microsphere prepared by a soft template method and a preparation method thereof. The hollow glass microsphere comprises the following raw materials in parts by weight: 93 parts of tetraethoxysilane, 11-35 parts of n-amine, 1.5-3.5 parts of inorganic ionic salt and 8-20 parts of borax, wherein, the n-amine is at least one of n-octylamine, n-nonyl amine or n-decylamine; and the inorganic ionic salt is at least one of sodium chloride, potassium chloride, calcium chloride, sodium sulfate, sodium carbonate and potassium carbonate. The balling rate of the hollow glass microsphere exceeds 99% and the hollow rate thereof exceeds 99%; the hollow glass microsphere has uniform structure, and the particle size thereof can be self-regulated and controlled into 10-400mum as needed; the corresponding stacking density is 0.60-0.15g/cm<3>; and the hollow glass microsphere can be widely applied to fields such as automobile, building materials, heat insulation, sound insulation, deep-sea drilling, aerospace and the like.

The invention provides a building block die. The building block die is formed by horizontally arranging and combining at least one die unit. Each die unit comprises a supporting plate, a die box arranged on the supporting plate, a die core unit arranged in the die box and a pressure head which is inserted between the die box and the die core unit and is provided with a vertical hole structure. The building block die is used for forming an anti-seismic anti-cracking building block with a convex bolting part; the outer wall of the pressure head with the vertical hole structure is attached to the inner wall of the die box in a seamless manner; the pressure head with the vertical hole structure is a of a shape of a Chinese character 'ri' or 'tian'. The invention also provides a method for forming the building block by utilizing the building block die. The building block die is used for carrying out extrusion forming of the anti-seismic anti-cracking building block with the convex bolting part and the formed building block has excellent mechanical properties such as shear strength and the like.

A combined reinforced concrete hollow floor plate comprises a prefabricated thin plate (1), a formwork (2), a concealed rib (3) and an upper plate (4), the prefabricated thin plate (1) is fixed with a formwork (2), a concealed rib (3) is arranged between the adjacent prefabricated thin plates (1) or the formworks (2), the upper plate (4) covers the formwork (2) and is connected to the concealed rib (3) to a whole, and the invention is characterized in that the prefabricated thin plate (1) is arranged with at least one in convex structure (5) or/and concave structure (6), and the prefabricated thin plate (1) is exposed. In this way the hollow floor plate is suitable for various building roofs, building covers, walls, base plates and empty bridges using the cast-in-situ reinforced concrete or prestressed reinforcement concrete, especially suitable for the hollow beamless floor and multi-ribbed floor.

Disclosed are a hollow polymer particle and a manufacturing method thereof. The invention provides a method for producing hollow polymer particles, capable of reducing generation of recessed particles low in hollow rate and increasing the particles high in hollow rate. The method is characterized in that, in water medium, a mixture of polymer monomers for forming housings of the polymer particles and organic solution is emulsified and scattered, the polymer monomers are floated and polymerized under the presence of a polymerization initiator to form polymer particles containing organic solution, and the organic solution in the polymer particles is gasified and removed through the housings of the particles so as to produce hollow polymer particles. In the method, the organic solution in the polymer particles is gasified and removed through the housings of the particles, when the polymer particles are scattered in the water medium, so as to produce hollow polymer particles.

The invention relates to a tenon-and-mortise hollow building block and a laying method thereof. The tenon-and-mortise hollow building block comprises a building block body. A convex rib is arranged atthe top of the building block body, a groove is formed in the bottom of the building block body, and when two building block bodies are arranged in an overlaid manner, the convex rib is matched withthe corresponding groove. Three vertical through holes are formed in the building block body, the middle through hole is a grouting hole, each through hole is in a trapezoidal shape, and the width ofeach through hole is gradually increased from the top to the bottom of the building block body. Trapezoidal grooves are formed in the two side walls of the building block body respectively, and the width of each trapezoidal groove is also gradually increased from the top to the bottom of the building block body. During laying, the building block bodies are laid in a manner of being connected leftand right and staggered up and down by a half building block, the building block bodies can be used as a masonry structure infilled wall after single-row laying and grouting, and the building block bodies can be used as a bearing wall after two rows of building block bodies are laid and sandwiched with an insulation board and are tied by reinforcing steel bars. The tenon-and-mortise hollow building block integrates multiple functions, improves the anti-seismic property of rural building masonry and is suitable for large-scale popularization.

The present invention discloses an one-step forming method for producing hollow light-wt. partition panel and its flat-die. The said method includes the following steps: pouring mortar material into the die frame assembled by using end face die plate and side die plate to obtain bottom surface of the panel; then utilizing end face die plate, die plate with tenon, die plate with slot and projection on dividing panel die plate to form internal projection and through hole; and utilizing the hollow form die plate to form top surface of the panel. This invention also discloses the structure of thesaid invented flat-die. It can be extensively used in building industry.

The invention discloses a large horizontal hole overall prefabricated wall plate. In terms of a house assembled from wall plates, a wall body of each standard room is formed by building the large horizontal hole overall prefabricated wall plate (1) in the mode that internal horizontal holes are kept horizontal. After the wall body is built, a plurality of long hollow horizontal holes (3) which are horizontal are formed between every two top end stand columns (12). According to the large hollow overall prefabricated wall plate developed by the invention, the problems that the self weight is large, the thermal insulating performance is poor, the cost is high, hoisting is impossible, pulling is difficult and the like are solved, and the hollow structure reduces the heat transfer coefficient of the concrete wall body, a building foundation load and the foundation treatment cost.

A building board includes an inorganic board having a surface covered by an insulating coating film containing a coating film forming material and organic hollow particles, wherein the organic hollow particles have an average particle size in the range of 5 to 50 μm and an average hollow ratio of 80% or more, and the insulating coating film contains 0 01 to 5.0 parts by mass of the organic hollow particles per 100 parts by mass of solid content thereof, and has an average thickness of 5 to 500 μm. The method for producing a building board includes: applying, onto a surface of an inorganic board, an insulating coating material containing a coating film forming material and organic hollow particles; and drying the insulating coating material to form an insulating coating film.

The invention discloses a recycled aggregate mountain flour anti-seismic hollow block for a masonry frame filled wall. The hollow block comprises a rectangular shell, wherein two rectangular holes are formed inside the shell; first grooves are formed in the top and bottom surfaces of the shell; and second grooves are formed in four side surfaces of the shell. The invention also discloses a method for preparing the recycled aggregate mountain flour anti-seismic hollow block for the masonry frame filled wall. The recycled aggregate mountain flour anti-seismic hollow block for the masonry frame filled wall prepared by the previous method is tested by referring to 'concrete block and brick test method' (GB/T 4111-2013), and the compressive strength, breaking strength and shear strength can respectively reach 8.60MPa or more, 1.30MPa or more and 0.10MPa or more. The recycled aggregate mountain flour anti-seismic hollow block disclosed by the invention is used for the frame filled wall, is full in hysteretic curve, high in ductility and high in energy-dissipating capacity and has good anti-seismic property.