99results about How to "Fast installation and construction" patented technology

The invention relates to an autoclaved aerated concrete slab containing carbon fibers and an application thereof. The prior precast slabs have large specific gravity, resulting in high weight of buildings and very high cost of foundations. The autoclaved aerated concrete has low specific gravity but poor strength, so as not to be used as supporting parts. The inventive product comprises building concrete structural slabs (1), wherein the concrete is autoclaved aerated concrete, and the concrete in the structural slabs is provided with carbon fibers (2). The product can be used as precast elements for buildings, such as floor slabs, roof slabs and wall slabs, etc.

The invention discloses a photovoltaic greenhouse used for edible mushrooms. The photovoltaic greenhouse comprises a photovoltaic power generation device and an edible mushroom greenhouse, wherein the edible mushroom greenhouse comprises gable lagging jacks and middle lagging jacks, the gable lagging jacks are connected to the middle lagging jacks through transverse lagging jack supports which are vertical to the gable lagging jacks and the middle lagging jacks, the photovoltaic power generation device comprises multiple groups of photovoltaic uprights positioned at the south side of the edible mushroom greenhouse and photovoltaic crossbeams which are positioned at the tops of the photovoltaic uprights and are connected to the photovoltaic uprights, the photovoltaic uprights, which are close to the edible mushroom greenhouse, are higher than the photovoltaic uprights, which are far away from the edible mushroom greenhouse in each group of photovoltaic uprights, the photovoltaic crossbeams are connected to a purlin support plate through supporting purlins, a photovoltaic component is arranged on the purlin support plate, the photovoltaic component is connected to the photovoltaic power generation device, tie bars are arranged between the photovoltaic uprights corresponding to the ends of the gable lagging jack and the middle lagging jack, and the tie bars are connected to the ends of the gable lagging jacks and the middle lagging jacks through connecting pieces. The photovoltaic greenhouse used for the edible mushrooms has the advantages of high resource utilization rate, safe and firm structure, long service life and capabilities of guaranteeing the quality of the edible mushrooms and greatly improving the input-output ratio.

The invention discloses a longitudinal truss. A first connecting end plate is respectively arranged at the end parts of transverse node chords of a top chord; a second connecting end plate is respectively arranged at the end parts of transverse node chords of a bottom chord; a plurality of triangular stiff plates A and triangular stiff plates B are respectively arranged at the peripheries of the first connecting end plates and the second connecting end plates; a third connecting end plate is respectively arranged at the end parts of left and right slant web members; a fourth connecting end plate is respectively arranged at the end parts of left and right horizontal web members; a plurality of triangular stiff plates C and triangular stiff plates D are respectively arranged at the peripheries of the third connecting end plates and the fourth connecting end plates; and the first, second, third and fourth connecting end plates are provided with a plurality of bolt holes and a plurality of high-strength bolt connection pairs respectively. The longitudinal truss reduces high-altitude welding construction and the investment on safety facilities for high-altitude welding construction, thereby lowering the investment cost on the safety facilities; the construction is speed up and the project quality is improved; and the security risk and the manual input are reduced and the plate utilization ratio of a workshop is improved.

The invention discloses a steel tube concrete arch bridge body outer wrapped concrete arch springing structure including a bearing platform, a support base, a pressure bearing rebar net, a skewback pressure bearing steel plate, an anti-shearing steel plate, a sleeve barrel with wires, an L-shaped limiting plate, a comb-shaped integral fixed bolt, an anti-cracking rebar net, a middle batten plate,a steel tube arch rib, an arc guard board, a weight bearing steel plate, an integral type fixed support, a pre-buried steel plate, self-compaction high-strength concrete, a skewback shearing force nail, a hinged open-and-close type steel mould and a shearing force nail welding locating frame; the bearing platform is connected with the support base, and a connection part of the bearing platform andthe steel tube arch rib is provided with the pressure bearing rebar net and the skewback pressure bearing steel plate to be enhanced; the connection part of the support base and the steel tube arch rib is provided with the anti-shearing steel plate to be enhanced; and the steel tube arch rib is provided with an anti-cracking rebar net to be enhanced and the outer portion of the steel tube arch rib is provided with the hinged open-and-close type steel mould. The steel tube concrete arch bridge body outer wrapped concrete arch springing structure and a construction method have the beneficial effects that the attaching and fixing canalization quick releasing hinged open-and-close type steel mould is arranged, the mounting and constructing speed of an arch springing template is improved, thesize of the structure is effectively guaranteed.

The invention discloses an assembly type thread connection round steel supporting joint used for a steel structure building, and relates to the technical field of building connection structures. Mounting holes are formed in beam columns, clamping parts are clamped on the outer sides of web plates, the mounting holes and the clamping parts are arranged in a paired manner, two ends of supporting round steel are each connected with a connecting rod through a connecting sleeve, the two connecting rods each sequentially penetrate the upper portion of the beam column on one side and the mounting hole and the clamping part on the lower portion of the beam column on the other side, and at the tail end positions, the connecting rods are in fit connection with the corresponding clamping parts; two tying rods are arranged above the mounting holes on the upper portion and below the mounting holes on the lower portion. During construction, the clamping parts are clamped into the positions of the mounting holes in the web plates through anti-sliding keys, supporting rods with balls on the top ends penetrate supporting holes in the clamping parts and the mounting holes in the web plates, the balls are arranged in limiting grooves in a fit manner, at the bottom end of a connecting part, the balls are connected with the supporting round steel through the connecting sleeves, H-shaped steel is supported, supporting and connecting are reliable, the structure is simple, manufacturing is convenient and rapid, and economy is excellent.

The invention discloses a primary and secondary module unit combination structure of high-rise module building space. The structure comprises main module units and secondary module units which are scientifically combined on the plane and in the space to form an integral combination structure system. The main module units are main weight bearing structures and bear the weight of the main module units and the secondary module units, a lateral force resistance support structure is arranged each the main module unit, and an effect of effectively resisting wind and earthquakes is achieved. The secondary module units only bear self weight and transfer vertical force and horizontal action to the main module units through relative connection. The secondary module units are often arranged between the main module units, connection node plates are reserved on main module unit frame columns, every two main modules are connected through a connection steel beam, the connection steel beams and the like are utilized as an operation platform to weld frame columns of the main module units on two sides into a whole, then the secondary module units are arranged on the connection steel beams, and the secondary module units can be arranged every two layers or layer by layer to form the integral structure with the main module units.

The invention relates to a cast-in-place concrete-used shuttering component, which comprises a polyhedron solid lightweight material component (1), and is characterized in that a cantilever slab (4) is extended outward along the bottom (3) on at least one all-round lateral face (2) of the polyhedron solid lightweight material component (1), the cantilever slab (4) is extended outward along the upper side on the all-around lateral face (2). The cantilever slab (4) is formed by the polyhedron solid lightweight material component (1) which is arranged and connected on cement mortar or a cement concrete bottom board (6), the polyhedron solid lightweight material component (1) is made of a foam plastic block, an expanded perlite block, an expanded vermiculite block, a foaming or aerating concrete block, a ceramicite concrete block, a straw and chaff cementitious material block, a wood coal concrete block or a cementation foam grain block. The outer surface of the polyhedron solid lightweight material component (1) is provided with an outer film layer (7). After the shuttering component is used in cast-in-situ concrete floor, the cantilever slab can be used as a formwork of a cast-in-place concrete rib between shuttering components, thereby a construction formwork can be saved, and the construction speed is improved, and the construction cost is reduced, thereby the purpose of the invention is achieved, and the invention is suitable for the employments in floors, roofs, walls, foundation bottom boards and hollow bridges of cast-in-situ reinforced concrete or inherent stress reinforced concrete.

The invention provides a segmented integrated casting tunnel steel arch frame structure and a supporting method thereof. The structure is divided into a plurality of unit segments in the extending direction of an arch frame. The unit segments are integrated castings. The cross section of each unit segment is a regular rectangle. Each unit segment comprises a soil facing side stress rod, lateral shear supporting rods, a soil back side stress rod, stress rod connecting rods and segment connecting plates. The adjacent unit segments are installed through bolts penetrating through the two segment connecting plates to form the whole steel arch frame structure. The steel arch of the structure is prefabricated in a factory, steel is integrally cast and is good in integrity, the machining precisionis high, and quality is easy to guarantee. Meanwhile, the lateral shear supporting rods, the soil facing side stress rod and the soil back side stress rod are prefabricated into a whole, so that theshear performance is excellent, and the stress performance of the whole steel arch frame can be effectively guaranteed. Moreover, manual welding and grating steel frame machining in a traditional initial support field are avoided, the cutting loss of steel bars is reduced, the manufacturing cost is reduced, the construction period is shortened, and the structure is suitable for various types of subsurface tunnel construction needing initial support.

The invention relates to a cast-in-place concrete-used shuttering component, which comprises a polyhedron solid lightweight material component (1), and is characterized in that a cantilever slab (4) is extended outward along the bottom (3) on at least one all-round lateral face (2) of the polyhedron solid lightweight material component (1). The cantilever slab (4) is formed by the polyhedron solid lightweight material component (1) which is arranged and connected on cement mortar or a cement concrete bottom board (6), the polyhedron solid lightweight material component (1) is made of a foam plastic block, an expanded perlite block, an expanded vermiculite block, a foaming or aerating concrete block, a ceramicite concrete block, a straw and chaff cementitious material block, a wood coal concrete block or a cementation foam grain block. The outer surface of the polyhedron solid lightweight material component (1) is provided with an outer film layer (7). The bottom board (6) contains reinforcement objects (8) or the reinforcement objects which are exposed. After the shuttering component is used in cast-in-situ concrete floor, the cantilever slab can be used as a formwork of a cast-in-place concrete rib between shuttering components, thereby a construction formwork can be saved, and the construction speed is improved, and the construction cost is reduced, thereby the purpose of the invention is achieved, and the invention is suitable for the employment in floors, roofs, walls, foundation bottom boards and hollow bridges of cast-in-situ reinforced concrete or inherent stress reinforced concrete.

The invention discloses a fabricated type purlin-equipped roof for a box type modularized house and an installation method. The fabricated type purlin-equipped roof for the box type modularized housecomprises a first roof and a second roof, wherein the first roof is positioned right above an inner cavity of the box type modularized house, and the second roof is positioned above the first roof. The fabricated type purlin-equipped roof for the box type modularized house integrates multiple functions of roofs, a standardized integrated purlin-equipped roof module is formed by minor improvement on the basis of a standardized module, the assembly efficiency is improved, and the construction speed is increased. The connection difficulty caused by a non-standardized module is overcome. The roofserves as an independent module, thermotechnical performance of a building is guaranteed, structural slope formation is realized via a way that a second keel, a purlin holder and a purlin of the roofmodule are matched with each other, and materials are saved.

The invention relates to the technical field of construction elevators, in particular to a bridged safety door construction elevator. The bridged safety door construction elevator comprises a car; a vertical-lifted safety door is arranged in an access port of the car; one end, positioned in the access port, of a baseplate of the car is connected with a bridging plate; and the bridging plate is rotationally connected with the baseplate of the car, and is connected with the safety door through a receiving / releasing module. The bridged safety door construction elevator saves use of such materials as steel pipes, buckle pieces and dense-mesh nets, achieves green construction requirements, saves the construction cost, needs no mutual matching with a safety protection frame body in elevator installation, accelerates the mounting construction speed of an external elevator, creates conditions for advanced construction of a secondary structure, has no need to build an external safety protection frame body for the external elevator, saves labors, saves the construction cost, prevents aerial construction, and eliminates potential safety hazards caused by building of the external safety protection frame body.

A method for preparing the hollow concrete shell member by in-situ pouring includes such steps as making a hollow concrete shell member with bottom opening by use of mould, pouring concrete bottom in a bottom mould, adhering said hollow concrete shell member with said concrete bottom before the concrete bottom is solidified, curing, and demoulding.