20 results about "Lath" patented technology

The utility model discloses a steel wood combination big form plate mounting structure for structural joint, it includes reinforced net frame, cement bracing that even clamped on reinforced net frame, inner form plate, outer form plate, vertical back lath, horizontal back lath, plastic tube, threaded rod, steel pipe and steel pole. Advantageous effect: the utility model discloses a steel wood combination big form plate mounting structure for structural joint has stronger construction operability, and it is more swift to construct, and the effect that concrete forming quality is more easily guaranteed, and the effect that the joint is tight, and the flatness is good, and the overall strength is high, and the wall surface quality perception is better, and the construction efficiency is higher, and the construction is simple, and easy to master, and the turnover number is more, and the form plate material is saved, and the construction progress is opened, and the construction safety is guaranteed, and the construction cost is effectively reduced.

Thermally insulating and moisture and mold resistant subfloors include: a subfloor support structure that includes a subfloor framework comprising joists, beams, furring strips, and / or foam sheets, and optionally an intermediate underlayment comprising sheathing fastened to or applied over the subfloor framework, and lightweight composite underlayment panels fastened to the subfloor support structure. Lightweight composite panels include a foam core and fiber reinforced cementitious (or other protective) layers formed on the foam core surfaces. The subfloor support structure may include sheathing, wherein the lightweight composite panels are fastened to the sheathing to form the subfloor underlayment. In other cases, the subfloor support structure may omit sheathing, wherein the lightweight composite panels are fastened directly to the subfloor framework to form the subfloor underlayment. An optional ceiling structure of a lower floor can be formed by fastening lightweight composite ceiling panels under the subfloor framework of the subfloor.

This invention discloses a method for producing easily formable ultra-high strength steel plates for engineering machinery, belonging to the field of metal material processing technology. This invention employs a medium-carbon + multi-element microalloying system, and through converter steelmaking + refining, continuous casting, billet heating, two-stage controlled rolling, and quenching + tempering heat treatment, produces ultra-high strength steel plates with a thickness of 5-20 mm. The resulting steel plate has a matrix structure of ultra-fine-grained lath martensite with an effective grain boundary size of 1.2-1.5 μm, a yield strength ≥1500 MPa, a tensile strength ≥1800 MPa, an elongation >10%, an impact energy >50 J at -40℃, and meets the requirements of D=6a and 180° bending without cracking. It possesses ultra-high strength, excellent low-temperature toughness, and cold formability, and can be directly used for forming key load-bearing structural components of engineering machinery. The process is simple and highly adaptable to industrial applications.

The invention provides a single-side formwork supporting system and a construction method of the single-side formwork supporting system, and relates to building construction. Wherein the single-side formwork supporting system comprises a first formwork, a second formwork, wood braces, double-row steel bar back ridges, double-row steel pipes and fasteners, and the first formwork and a wall of an existing building are arranged at a first interval; the second template and the first template are arranged at an interval of a second distance and define a pouring cavity; the wood brace is arranged on the side, away from the first formwork, of the second formwork; the multiple sets of double-row steel bar back ridges are arranged on the first formwork at intervals in the vertical direction and located on the side, away from the second formwork, of the first formwork. The multiple groups of double-row steel pipes are arranged on the square wood at intervals in the vertical direction and located on the side, away from the second formwork, of the square wood, and one group of double-row steel pipes and one group of double-row steel bar back ridges are arranged in the horizontal direction; and a fastener penetrates through and is fastened on the group of double-row steel pipes and the group of double-row steel bar back ridges which are positioned on the same level with the double-row steel pipes. Cavities between the new wall and the old wall are reduced, and the occupied indoor area is saved.

The utility model discloses a batten-cold-formed thin-walled structure, which belongs to the technical field of steel structure buildings, and comprises a structure node, a batten and a load-bearing component, and the structure node adopts a cylindrical welding node; the battens are arranged on the side faces of the structural nodes, corresponding conic curves are cut at the connecting ends of the battens, and it is guaranteed that the connecting ends are attached to the intersecting lines of the connecting surfaces of the structural nodes. The battens are connected with the structural joints in a welded mode. The bearing components are arranged between the battens, and the connecting positions of the adjacent bearing components on the two sides of the battens in the same plane layer correspond to each other. The bent frame structure is simple in structure and convenient to construct, the characteristic that a cold-formed thin-walled steel structure system is uniform in force transmission is utilized, the advantages of the cold-formed thin-walled steel structure and the bent frame structure are combined, and when any irregular polyhedron small monomer building is constructed, the construction quality of the structure system is improved, and component machining is simplified.

According to the hard alloy matrix based on the quenched and tempered wide plate and the machining method, stepped heating is adopted for quenching treatment, meanwhile, a uniform steam film can be formed on the surface of the wide steel plate through the inverse solubility of a PAG solution, and the conditions of high-temperature-area rapid cooling and low-temperature-area slow cooling in quenching of a steel material for a saw blade are met; and therefore, a metallographic structure mainly comprising fine lath martensite is obtained, and meanwhile, the thermal stress and the structural stress are greatly reduced. And meanwhile, the structure is fully converted into uniform and stable tempered sorbite by adopting segmented tempering, so that the optimal matching of strength and toughness is realized. In addition, after tempering is finished, a controllable uniform cooling mode is adopted for cooling to the room temperature, new internal stress is prevented from being generated in the slow cooling process, the uniformity of the performance of the wide plate can be remarkably improved, and good mechanical performance is ensured.

To enhance the design of a connection structure for a transom and batten by enabling a single transom and batten to be connectable to a plurality of transoms arranged side-by-side with a vertical center frame bone therebetween.SOLUTION: In a connection structure for a transom and batten 30, a transom and batten 30 is connected to a plurality of transoms 9 arranged side-by-side with a vertical center frame bone 8 sandwiched therebetween. The connection structure for the transom and batten 30 comprises: a connecting members 20 provided across the plurality of transoms 9 and attached to the plurality of transoms 9; and the transom and batten 30 held by the connecting members 20 and connected to the plurality of transoms 9 by the connecting members 20.SELECTED DRAWING: Figure 6

The utility model provides a kind of special-shaped corner shear wall construction formwork device, it includes several formwork components, opposite bolt, joint gap anti-overflow piece and corner connecting piece, the opposite bolt is used to connect the two groups of formwork components oppositely arranged;The joint gap anti-overflow piece is arranged on the opposite side of two groups of formwork components, to block the joint gap of adjacent formwork components on the same side;The corner connecting piece is arranged on the side of two groups of formwork components, to connect the steel pipe back lath in adjacent formwork components on the same side.The utility model can efficiently assemble and disassemble formwork device and guarantee the fastening effect of special-shaped corner formwork joint gap, improve construction efficiency and construction quality.

The claimed invention relates to all-weather mobile house structures made of environmentally friendly materials that can be transported to the installation site on heavy-duty wheeled platforms of vehicles and assembled at the installation site. The mobile house has a frame wall structure (1), a frame roof structure (3) and a frame floor structure (2) that form a single supporting structure. The single supporting structure is based on a metal frame structure of a wheeled chassis that has at least one pair of wheels. Each frame panel has a wooden frame that forms the end walls of the panel. Inside the wooden frame is placed compressed straw (24), which forms the inner and outer walls of the panel. The surface of the compressed straw (24) is processed by trimming. Plaster layers (27, 28) containing clay are applied to the surfaces that forming the inner and outer walls of the frame panels. Moisture-repellant layers (25, 30) are mounted through the lathing on the outside of the plaster (27, 28) layers of the external and internal walls of the frame panels of the wall structure (1), roof structure (3) and floor structure (2).

This invention relates to a heat treatment process for large-diameter 17-4PH thin-walled short rings with diameters of 800mm to 1300mm, wall thicknesses of 20mm to 40mm, and lengths ≤800mm. After forging, controlled-temperature cooling promotes partial microstructural transformation and prevents grain regeneration in the thin-walled short rings. Solution annealing ensures uniform and refined microstructure and grain size in the forged billet. After solution annealing, high-temperature tempering and slow, rate-limited cooling in the furnace to a certain temperature removes structural stress, diffuses hydrogen, and softens the billet hardness, facilitating subsequent rough machining. High-temperature solution cooling employs a combination of pre-cooling, oil cooling, and air cooling to minimize thermal and structural stress, preventing cracking of the thin-walled short rings and ensuring complete microstructural transformation to obtain fine lath martensite. During solution removal from the furnace, slow hoisting prevents deformation of the large-diameter 17-4PH thin-walled short rings due to their own weight. The produced large-diameter 17-4PH thin-walled short rings exhibit uniform overall quality, are free of cracks, and have low ellipticity after heat treatment.

The application discloses a column-interim shear wall reinforcing system and construction method for fabricated formwork, which comprises a horizontal reinforcing device and an oblique straightening device. The horizontal reinforcing device comprises a back lath assembly, a horizontal connecting assembly and a corner connecting assembly. The back lath assembly is provided with a plurality of connecting pieces and can rotate relative to the horizontal connecting assembly to extend or retract. The corner connecting assembly is connected with the connecting pieces on the back lath assembly at two ends. The oblique straightening device is located on the side of the wall body and connected with the connecting pieces on the back lath assembly. The oblique straightening device can form vertical support for the wall body by adjusting the length. The oblique straightening device has two different forms and can be flexibly adapted to the pouring of the shear wall under the conditions of the floor pouring and the floor not being poured. The scheme adopts the fast connecting reinforcing system of embracing columns, which can provide fast connection in the right angle and horizontal direction. Meanwhile, the oblique straightening device can utilize the lower poured wall body to form the form of the cable-stayed support, so that the deficiency of the column-interim shear wall limited by the floor pouring speed can be made up.

The application relates to a heat treatment process for improving the grain size of Cr16Ni6 stainless steel, wherein the grain size is obviously improved to 4-6 levels after the heat treatment, and the product quality is improved; the process scheme is as follows: after forging, cooling treatment, one-time strengthening treatment, one-time tempering, two-time strengthening treatment and two-time tempering; the grain size is effectively improved; the forging organization is stabilized and part of the martensite organization is transformed through the after-forging cooling treatment, internal stress is reduced, and workpiece cracking is avoided; through the after-forging cooling treatment and the strengthening treatment, austenite is repeatedly transformed into fine lath martensite, nucleation is ensured in the subsequent high-temperature heating process, nucleation rate is increased, grain size is refined, and the grain size is improved from the original coarse 1-3 levels to the fine 4-6 levels.

Thermally insulating and moisture and mold resistant subfloors include: a subfloor support structure that includes a subfloor framework comprising joists, beams, furring strips, and / or foam sheets, and optionally an intermediate underlayment comprising sheathing fastened to or applied over the subfloor framework, and lightweight composite underlayment panels fastened to the subfloor support structure. Lightweight composite panels include a foam core and fiber reinforced cementitious (or other protective) layers formed on the foam core surfaces. The subfloor support structure may include sheathing, wherein the lightweight composite panels are fastened to the sheathing to form the subfloor underlayment. In other cases, the subfloor support structure may omit sheathing, wherein the lightweight composite panels are fastened directly to the subfloor framework to form the subfloor underlayment. An optional ceiling structure of a lower floor can be formed by fastening lightweight composite ceiling panels under the subfloor framework of the subfloor.

A set of components for mounting an accessory on a surface of a building is disclosed. The set of components comprises a slat wall panel (1) and a panel fitting (10). The slat wall panel comprises a plurality of slats (3i, 3ii) which are arranged on the front surface of the support panel (2) and extend parallel to each other and spaced apart from each other. The panel fitting (10) comprises an accessory carrier (100) and an attachment body for insertion between slats and comprising at least a first body element (41) having a first engagement surface for lateral engagement with a first slat and a second body element (42) having a second engagement surface for lateral engagement with a second slat, the second body element has a second engagement surface for engaging with a second slat side. The panel fitting further includes a primary tensioning element (36) for varying the distance between the first engagement surface and the second engagement surface. Uses of a set of components are also disclosed.

The invention discloses a nailing wood-concrete modular shear wall. The nailing wood-concrete modular shear wall is formed by combining one or more nailing wood-concrete composite unit plates (100). A nailing wood-concrete composite board (100) comprises a nailing wood board (1) and an ultra-high performance concrete laminated layer (2) which are combined through screws (3). Wherein the nailing wood board (1) is formed by splicing two wood laths (4) with different widths in a staggered manner, and grooves (5) are formed in the surface of the nailing wood board (1); and a reinforcing mesh (7) is arranged in the ultra-high performance concrete laminated layer (2). The composite unit plate (100) is connected with the steel or wood frame (200) through the wood screws (10) and the wood ribs (20). The adjacent unit plates are connected through steel braces (30), and ultra-high performance concrete post-cast strips (40) are poured at joints to form a whole. The modular shear wall is provided for a wood / steel frame structure, and compared with the prior art, the modular shear wall has the advantages of being light in self weight, high in lateral resistance, high in greening level, easy to produce, convenient and fast to assemble, low in cost and the like.

The utility model relates to the technical field of building construction materials, in particular to a novel external corner strip. The external corner strip is used for wall corner anti-collision and comprises two wing plate structures, the two wing plate structures are tightly attached to the wall corner of an inner wall and embedded in a plaster layer, and the angle between the two wing plate structures is smaller than 90 degrees; the corner protection batten is arranged along the outer side of the joint of the two wing plate structures in a full-length mode and embedded in the plaster layer, and the angles between the corner protection batten and the two wing plate structures are equal; and the anti-collision strip is arranged along the outer end of the corner protection batten in a full-length mode and is arranged at the corner of the outer side face of the plaster layer. The wing plate structure has the beneficial effects that the two wing plate structures are arranged, and the included angle between the two wing plate structures is smaller than 90 degrees, so that when the wing plate structures are arranged at the corner of an inner wall 7, the wing plate structures and the inner wall 7 are more tightly attached to the ground. And a corner protection batten and an anti-collision strip are further arranged at the joint of the two wing plate structures, so that the anti-collision strip protects the wall corner. And the wing plate structure is embedded in the plaster layer, so that the constructed wall body is more attractive.

A ceiling system comprising a plurality of ceiling tiles each comprising a plurality of felt slats. The plurality of felt slats are arranged parallel to one another and include first and second recesses configured to receive and engage a ceiling hanger system.

The application relates to the technical field of building construction, in particular to a repairing construction method for a floor or a ceiling of an ancient building, which maximally maintains the original wood keel appearance, reduces the overall replacement of the wood keel, and improves the wood keel strength by repairing the bone cracks of the original wood keel or replacing the rotten wood keel part; the floor of the ancient building is repaired according to the ground square brick, broken brick and tile filling, rough board, wood keel, fine board and plastered finish; the wood frame and window at the basement window hole position are repaired, the existing wood board wall and ceiling status of the ceiling are checked, the status is improved and repaired, and the rooms lacking the wood board wall and ceiling are increased according to the original method; finally, the style is unified with the original indoor decoration style, the repairing quality is guaranteed, the corrosion prevention effect is improved, and the original appearance of the floor and the ceiling of the ancient building is maximally guaranteed as a whole in the ancient building repairing process.

The invention relates to the technical field of building construction, and discloses a construction method of a large-story-height building aluminum alloy formwork. Comprising the following steps of S1, surveying and setting out, S2, wall column formwork installation, S3, wall column formwork reinforcement, S4, beam formwork installation, S5, floor formwork installation, S6, transverse rod tying, S7, vertical rod leveling and straightening and S8, concrete pouring. A composite reinforcing system of opposite-pull screws, square tube back ridges, adjustable diagonal draw bars, transverse steel pipes, horizontal diagonal bracings and vertical diagonal bracings is designed for wall column formworks, the back ridge setting height, the pull rod distance and the angle parameters of different parts are defined, and particularly differential back ridge arrangement is adopted for column, shear walls, beams and floor formworks. Especially, the bidirectional diagonal bridging is added on the transverse steel pipes tied by the transverse rods, so that the overall rigidity and the lateral displacement resistance of the formwork are remarkably improved, and the problems of slurry leakage, formwork deformation and the like are effectively reduced. Meanwhile, vertical rods of upper and lower floors are required to be on the same vertical line, and high-rise building construction requirements are met.

The invention relates to a non-interlocking assembled flooring system comprising: a base sheet layer and a surface slat layer disposed on the base sheet layer, wherein the surface slat layer comprises a plurality of wooden floor slats arranged side by side in a widthwise direction, the wooden floor slats are separated by a plurality of cut grooves serving as expansion joints, and the surface slat layer has a continuous wood grain surface formed by the upper surfaces of the wooden floor slats. Figure to be published for the abstract: Figure 1