46results about "Arched girders" patented technology

The invention discloses a rapid butt-joint positioning method for a hyperbolic arc-shaped steel beam, belongs to the technical field of steel structure building construction, and mainly aims to solve the problems of high butt-joint positioning difficulty, low precision, poor efficiency and high safety risk of the hyperbolic arc-shaped steel beam in high-altitude assembly installation. The temporary connecting plate with the spherical hinge joint and the annular positioning boss and the temporary connecting base with the spherical hinge nest and the annular positioning groove are welded to the end of the steel beam, a measuring instrument is used for obtaining the coordinate of the mark point and fitting deviation, and the steel beam is controlled to descend stably through synchronous hoisting, active swing restraining, adjustable supporting and a real-time monitoring system. And after preset position deviation and weight transfer rate threshold values are reached, the horizontal position is finely adjusted, so that the spherical hinge head sinks into the spherical hinge nest, the annular positioning boss is embedded into the annular positioning groove, and finally fastening is completed by adopting a conical centering pin rod and a bolt. By means of the method, high-precision, high-efficiency, safe and reliable butt joint of the hyperbolic arc-shaped steel beams is achieved.

The invention discloses a double-layer three-center circular-arch-shaped subway station structure which comprises an arch-shaped top plate, two side walls connected with the two ends of the arch-shaped top plate respectively, a middle plate arranged between the two side walls and a bottom plate arranged at the bottoms of the two side walls, and the middle plate divides the subway station structure into an upper layer and a lower layer; the arch-shaped top plate is a three-centered circular arch-shaped top plate, two arches connected with the two side walls are tangent to the corresponding side walls respectively, and the rise span ratio of the arch-shaped top plate is 0.15-0.4. The problems that a rectangular subway station is poor in structural stability, low in space utilization rate, high in long-term maintenance cost and poor in attractiveness can be solved.

The utility model relates to the technical field of arc-shaped square steel, in particular to a detachable easy-to-install novel wear-resistant arc-shaped square steel device which comprises female arc-shaped square steel and male arc-shaped square steel, the female arc-shaped square steel is matched with the male arc-shaped square steel, a first bolt through hole is formed in the female arc-shaped square steel, a third bolt through hole is formed in the female arc-shaped square steel, and the male arc-shaped square steel is matched with the first bolt through hole. The integral arc-shaped square steel is split into the female arc-shaped square steel and the male arc-shaped square steel, the matched shape of the female arc-shaped square steel and the male arc-shaped square steel can achieve the effect of facilitating positioning, the problem that the arc-shaped position is prone to cracking due to stress concentration is solved by splitting the square steel into segments, the weight is also dispersed, hoisting and mounting are facilitated, and the service life of the square steel is prolonged. Compared with the prior art, the arc-shaped square steel has the advantages that the maintenance intensity is greatly reduced, the service life of the arc-shaped square steel is prolonged, the base plate and the body of the ore bin and the funnel can be effectively prevented from being worn through, the potential safety hazard is reduced, the maintenance labor intensity is reduced, and the efficient and stable operation of production is improved.

The application discloses a kind of fusion wear and weave wood's large-span wood structure and erecting method, including load-bearing component, arch component, roof beam component, roof component, load-bearing component is equipped with two, two load-bearing component interval arrangement, arch component includes multiple arches, multiple arches are interval arrangement along the length direction of load-bearing component, the middle part of arch is upwardly convex into arch, two ends of arch are fixedly connected with load-bearing component, arch adopts the way of weave wood and is formed, roof beam component is fixedly arranged in the top of arch component, roof beam component adopts the way of wear and is formed, roof component is installed in the top of roof beam component and load-bearing component, the present application is by using the way of weave wood interlocking arch as core stress main body, to small type structure strip splicing formation large-span arch structure, without relying on large diameter long material, reduce material cost, the arch of arch component Stress system can realize large-span columnless indoor space, solve the problem of traditional lifting beam structure dense column, space partition is limited.

The application discloses a cross-rail tunnel arch support shear wall system, which comprises a wall support structure, an arch-shaped conversion structure and a damping structure. The wall support structure comprises frame support conversion columns and an upper shear wall. The two frame support conversion columns are oppositely arranged, and the upper shear wall is connected to the top ends of the two frame support conversion columns. The arch-shaped conversion structure comprises an arch-shaped support beam and an intermediate floor beam. The arch-shaped support beam is erected between the two frame support conversion columns, and the two ends of the arch-shaped support beam are connected to the two frame support conversion columns, respectively. The middle part of the arch-shaped support beam is arched upward to support the bottom of the upper shear wall. The intermediate floor beam is connected to the two ends of the arch-shaped support beam. The damping structure is arranged between the intermediate floor beam and the arch-shaped support beam to reduce vibration. According to the force characteristics of the arch-shaped support beam, the frame support conversion column, the damping member and the intermediate floor beam and other structures are combined to form a cooperative force system, the load capacity is high, and the reserved space of the lower structure is large.

The invention provides an installation method of a large-span steel roof, and relates to the field of building steel structures. The steel roof is divided into a plurality of areas to be lifted and installed, turnover of measure materials such as a jig frame and a lifting mechanism is achieved, and the problem that the one-time investment cost is high due to the fact that a large number of measure materials need to be consumed when a large-span steel roof is usually integrally lifted and installed is solved. Meanwhile, according to the method, the single trusses subjected to tailored welding are connected into a whole after being subjected to spatial position adjustment, and the problem that in the in-situ splicing process of the large-span steel roof, due to differential settlement of the trusses in different areas, the installation precision is low is solved; and moreover, the position of the lifted truss is adjusted in the air, so that the connecting precision between the partition structures of the large-span steel roof is ensured, and the problem that the overall mounting precision of the large-span steel roof is low is solved.

The application relates to the technical field of landscape bridges, and discloses a circular-rib arch bridge and an arch bridge construction method, which comprises arch bridge units, each of which comprises an arch bridge main frame and an arch ring assembly arranged above the arch bridge main frame; the arch bridge main frame comprises a first base, curved beam parts symmetrically arranged at two ends of the first base and cross beam parts, one end of each curved beam part is fixedly connected with the first base, the other end is connected with a cross beam part, a bridge deck is arranged between the two cross beam parts, and each cross beam part is provided with a second base for supporting the cross beam part at an end away from the curved beam part along a second direction; and the first base comprises two bearing platforms, and a main arch ring is arranged between the two bearing platforms; the arch ring assembly is symmetrically arranged at two ends of the main arch ring along a first direction, the arch ring assembly comprises a main circular arch and secondary circular arches arranged at two ends of the main circular arch along the first direction, the bottom end of the main circular arch is fixedly connected with the bearing platform, and one end of each secondary circular arch is hingedly connected with the main circular arch.

The invention discloses a space hyperbolic circular tube compression ring beam assembling jig frame and assembling method.The space hyperbolic circular tube compression ring beam assembling jig frame comprises a plurality of circular tube sections, all the circular tube sections are connected to form an annular frame body, and the space hyperbolic circular tube compression ring beam assembling jig frame comprises a jig frame base plate, the jig frame bodies are fixedly arranged on the upper surface of the jig frame base plate, the tops of the jig frame bodies are provided with positioning parts for positioning and supporting the circular pipe sections, and the number of the jig frame bodies is set according to the length of the circular pipe sections; the bottom of the base frame is fixed to the surface of the jig frame base plate through vertical steel bars, and the space positioning reference of the pin shaft plate is determined. The jig frame has the beneficial effects that the positions of the jig frame main body and the base frame can be rapidly determined according to the position of the projection of the annular frame body on the jig frame base plate, circular pipe sections are circularly pre-assembled in an end-to-end connection mode, pre-fixing and precise assembling of the circular pipe sections can be rapidly achieved, the assembling precision and efficiency of the annular frame body are improved, the manufacturing period is shortened, and the machining efficiency is improved.

The invention belongs to the technical field of connecting nodes, and particularly relates to an adjustable movable lifting point for a large-span arched corrugated steel plate, which comprises two groups of cross beams, the bottoms of the two groups of cross beams are fixedly connected with a plurality of groups of beam columns, so that the two groups of cross beams are in a same horizontal suspended state, the tops of the two groups of cross beams are clamped with cross beam clamping seats, and the tops of the cross beam clamping seats are fixedly connected with steel plate assemblies. The reinforcing beam rotates with the second shaft pin as the center so that the steel plate assembly, the storage beam assembly and the reinforcing beam can be switched to be in the lateral bending deformation resisting state in the hoisting process, and in the process, the traction assembly can be used for conducting traction positioning on the connecting position of the storage beam assembly and the reinforcing beam; the stability of the included angle position of the connecting position of the storage beam assembly and the reinforcing beam in the hoisting process is improved, and the resistance performance of the hoisted steel plate not affected by the environment is improved.

The utility model discloses a cross support type wind-resistant and shock-resistant double-layer steel structure factory building, which belongs to the field of steel structure factory buildings and is characterized in that a lower-layer support is mounted at the lower end of an arched support frame, and the lower-layer support, an upper-layer support and the arched support frame form a double-layer steel structure ceiling. By means of the structure, the wind resistance and shock resistance of the plant are remarkably improved, and a stable double-layer steel structure system is formed through cooperation of various supporting frames. External force can be effectively dispersed and absorbed, and a plant main body structure is protected. Load distribution is optimized through structural design, the number of the upper-layer supports is two times that of the lower-layer supports, the supports are fixed through bolts and anti-skid gaskets, and stable and reliable load transmission is guaranteed. The bearing capacity of the structure is improved, and the service life of a plant is prolonged. Due to the design of the swing wind-resistant mechanism, the structure can flexibly adapt to wind power, flexible connection and swing of the structure are achieved through cooperation of the connecting base, the head, the rod and the universal ball, and a balance weight part can be conveniently added.

A built-up structural element includes a pair of steel hollow structural sections, each having a hollow and generally rectangular cross-sectional shape, a plurality of openings, and a plurality of bolt holes distinct from the openings, wherein the steel hollow structural sections are stacked together in a stacked configuration, and a plurality of bolts extending through the plurality of bolt holes and securing the pair of steel hollow structural sections together in the stacked configuration. A built-up structural element includes a pair of steel hollow structural sections, each having a hollow and generally rectangular cross-sectional shape, a plurality of openings, and a plurality of bolt holes distinct from the openings, wherein the steel hollow structural sections are coupled to one another using a plurality of bolts extending through the plurality of bolt holes.

This invention discloses a large-span roof structure, including curved timber beams, both ends of which are fixed to a concrete foundation. Each curved timber beam comprises multiple sequentially spliced ​​curved timbers, with a splicing structure between adjacent curved timbers. A glued laminated timber beam comprises multiple sequentially butted glued laminated timbers, with adjacent glued laminated timbers connected by a butt joint. The butt joint includes a butt plate, with a first insert on one side and a second insert on the other. Adjacent glued laminated timbers are respectively provided with slots that mate with the first and second inserts. The large-span roof structure of this invention is stable and reliable, with strong load-bearing capacity and high stability. The curved timbers and glued laminated timbers can be prefabricated in a factory and assembled mechanically on-site, reducing the construction period and improving construction efficiency and installation accuracy. The splicing structure between adjacent curved timbers allows for a convenient, quick, stable, and reliable connection between them.

The present invention provides a support frame for use in a system for supporting a horizontal slab, the support frame comprising a horizontal beam comprising a first corbel element on the first side face, the first corbel element comprising at least one corbel extending along at least a portion of the length of the horizontal beam between the first and second ends, the at least one corbel having a horizontal top surface; and at least two columns extending downwardly from the horizontal beam, said columns being spaced apart from each other; wherein said support frame being formed as a reinforced concrete unitary body. The present invention also provides a system for supporting a horizontal slab employing two or more support frames.

A multi-storey building frame is constructed by manufacturing portal frames off site and transporting them to the site and erecting them to form a high precision building frame in an accurate manner. The method involves placing a series in a longitudinal direction of portal base frames, the base frames each having a pair of opposed wall frames, a structural ceiling frame, and a lower tie or structural frame spanning the wall frames at or near ground level. Sheeting is secured across the tops of the base frames. A series of portal top storey frames is placed over the sheeting to form a frame for a top storey and a roof, each said top storey frame comprising: a pair of opposed wall frames, a roof truss, and a lower tie or structural frame.

The invention discloses an arc-shaped beam construction method based on Rhino and Grasshopper. The specific construction process comprises the steps that firstly, construction preparation is conducted; 2, confirming a site coordinate base point; 3, preliminarily processing the model; 4, creating a model; step 5, reference point coordinate re-checking; checking whether the drawing and the model reference point coordinates are correct or not; step 6, creating and adjusting a lofting point; step 7, outputting coordinates; the coordinate points are exported in batches by utilizing a Grasshopper plug-in; 8, carrying out on-site lofting; and 9, comparing and analyzing data. A construction content model is established by adopting a Rhino modeling technology, coordinate data of a setting-out point are extracted and imported into a total station by adjusting a coordinate system of the model, and finally building setting-out measurement is carried out. The problem of accurate positioning of the arc-shaped beam is solved, and the construction quality of the arc-shaped beam is well guaranteed.

The application discloses a kind of based on traditional shoveling frame wood structure derivative inner overhanging lattice building structure system, the system is connected by lattice connection beam unit and lattice inclined strut unit in the direction of open space by multiple plane structure units;Single plane structure unit includes first side column unit, second side column unit, first side roof unit, second side roof unit and base;First hanging column and second hanging column are connected, first side column unit and second side column unit, and first side roof unit and second side roof unit, are mirror image symmetry about ridge middle part.The application realizes high and spacious column-free space in middle part by overhanging structure, improves space flexibility;Solid section is replaced by lattice component, significantly improves bending stiffness and bearing efficiency under similar material consumption, realizes lightweight structure;With the composite connection of less number of inclined metal bolts and epoxy resin adhesive, traditional mortise and tenon is replaced, and rigid connection of node is realized.

The application discloses a kind of electric drive convenient assembly form adjustable fold line shape arch and assembling lifting method.Fold line shape arch includes stress skeleton, multiple telescopic parts, support assembly and intelligent control component.Stress skeleton includes multiple sequentially connected standard arch sections.Each standard arch section has upper connecting hole and lower connecting hole on both sides.The lower end of adjacent standard arch section is hinged by lower connecting hole.Each telescopic part is arranged between two adjacent standard arch sections.Both ends of each telescopic part are hinged with the upper end of corresponding standard arch section.The support assembly includes left support and right support.The left lower connecting hole of fold line shape arch is hinged with left support, and the right lower connecting hole of fold line shape arch is hinged with right support.The intelligent control component is electrically connected with multiple telescopic parts.The intelligent control component is used to control the telescopic length of telescopic part to adjust the form of fold line shape arch, so that the form of fold line shape arch is actively controllable, and the adaptability and functionality are strong.

This utility model relates to the field of portal frame connection technology, specifically to a portal frame connection structure, including a first connecting plate installed on the top of a column, a second connecting plate installed on the bottom of a main beam, and through holes on both the first and second connecting plates. The first and second connecting plates are connected by a first fastener. The portal frame connection structure also includes a docking mechanism, a connecting mechanism, a supporting mechanism, and an auxiliary installation mechanism. An installation groove is provided on the top of the column. The docking mechanism is located between the column and the main beam, and includes a square block and a square plate. The square block is located on the top of the main beam and can slide to abut against the installation groove. The square plate is located on the side of the main beam, and a square hole is provided on the side of the square plate. This technical solution, through the docking mechanism, facilitates the pre-alignment of the through holes on the first and second connecting plates, thereby improving the rapid docking and installation between the main beam and the column and increasing work efficiency.

The application provides a curved variable cross-section concrete double beam and a construction method thereof, and relates to the technical fields of spatial concrete curved beams and construction. The curved variable cross-section concrete double beam comprises a first frame column, a second frame column, a first beam structure, a second beam structure, a stirrup and a hanging wire. The top end of the second frame column is higher than the top end of the first frame column. One end of the first beam structure is connected with the top end of the first frame column, and the other end is connected with the top end of the second frame column. The second beam structure is located below the first beam structure, one end of the second beam structure is connected with the first beam structure, and the other end is connected with the second frame column. The stirrup is sleeved on the first beam structure and the second beam structure. The hanging wire is fixedly connected with the stirrup. The waterproof plate structure is formed between the first beam structure, the second beam structure and the second frame column. The application has the characteristics of cost saving, easy assembly of the construction formwork, and the double beam is subjected to force in cooperation, and the construction method can ensure the accuracy and construction speed of the curved surface.

The application relates to a virtual pre-assembly and modular installation method of a glued wood truss arch, and belongs to the technical field of wood trusses. The method comprises a small assembly unit, the whole is in a triangular shape, the small assembly unit is composed of one upper chord, two lower chords and a plurality of steel web members, the steel web members are located between the upper chord and the lower chords or between the two lower chords; a middle assembly unit is assembled by a plurality of small assembly units; a support jig is located below the middle assembly unit and is used for supporting the middle assembly unit, a plurality of support jigs are arranged, adjacent support jigs are arranged at intervals along the length direction of the middle assembly unit, and the support height provided by the support jigs changes with the design height of the middle assembly unit; and a tensioner is located at the joint of adjacent small assembly units and is used for tightly connecting the joint of adjacent small assembly units. The application has the effect of guaranteeing the assembly precision of a large-span truss.

An arrangement (100) for an openable enclosure of a shelter (400) comprising two devices (102), each comprising a plurality of joints (104) to which curved elements (106) may be attached; wherein between each curved element (106), fabric (108) may be attached; a base (110); wherein the curved elements (106) are arranged between the two devices (102) at corresponding joints (104); whereby each device (102) may rotate between a vertical and a horizontal position in relation to their bases (110), the curved elements (106) may rotate in relation to the joints; wherein the devices (102) may be set in a vertical position to allow attaching of the curved elements (106) and the fabrics (108) therebetween essentially on the ground after which the devices (102) may be set in a horizontal position to allow the curved elements (106) to rotate forming an openable and closable enclosure.

A lateral bracing system (100) includes a frame (102) and a brace assembly (104). The brace assembly may include at least one diagonal brace (112) affixed to the frame by gusset plates (110). The diagonal brace may be affixed to the gusset plates at one or both ends by a yield link assembly (114). The yield link assembly may include various numbers of stacked fuse plates (120), depending on the required design strength of the lateral bracing system. Each fuse plate may include first and second ends, bolted respectively to the diagonal brace and gusset plate, and a central yield region (150) including one or more mechanical fuses. The mechanical fuses are configured to distribute the inelastic strains throughout the yield region.

The application provides an anti-seismic reinforcing system of a double-curved brick arch masonry structure, which comprises two groups of first vertical column groups, two cross beams, a plurality of steel arch beams and two end support structures, the first vertical column groups are arranged on the inner side of side walls, and the two groups of first vertical column groups are symmetrically arranged; the cross beams are connected above the first vertical column groups; the steel arch beams are supported below arch feet, the steel arch beams comprise two side arch beams and a middle arch beam connected between the two side arch beams, and the side arch beams are connected to the cross beams; and the side arch beams are provided with avoiding channels for the original horizontal tie rods to penetrate. The anti-seismic reinforcing system of the double-curved brick arch masonry structure provided by the application sets the avoiding channels on the side arch beams for the original horizontal tie rods to penetrate, which not only ensures that the installation of the steel arch beams does not interfere with the original functions of the horizontal tie rods, but also makes the steel arch beams and the horizontal tie rods form a collaborative force system, improves the integrity, stability and damage resistance of the double-curved brick arch masonry structure under the action of earthquakes, and meets the urgent needs of effectively reinforcing the double-curved brick arch masonry structure against earthquakes.

The utility model provides a concrete filled steel tube arch frame which comprises two bases, stand columns are fixed to the tops of the bases, arc frames are arranged on the tops of the two stand columns, first installation bases are fixed to the side edges of the stand columns, first supporting pieces are arranged on the first installation bases, and second supporting pieces are arranged on the side edges of the first supporting pieces. The bottom end of the first supporting piece and the bottom end of the second supporting piece are connected with a fixing base, and a ground nail is fixed to the bottom end of the fixing base. Compared with the prior art, the supporting structure has the advantages that the first supporting piece and the second supporting piece are arranged on the two sides of the arch frame respectively, the two sides of the arch frame can be effectively supported through the first supporting piece and the second supporting piece, and the overall strength of the arch frame is improved; and the threaded rod I and the threaded rod II are rotated to move, so that the application range of the supporting piece I and the supporting piece II is wider.

The object of the invention is a connecting structure for mechanically connecting steel pipe profiles (1, 2, 3) to each other to form a truss structure, comprising at least one elongated frame beam (1) with a rectangular cross-section, to which several cross struts (2, 3) with a rectangular cross-section forming a truss structure and extending diagonally and / or perpendicularly with respect to the frame beam are connected. According to the invention, receiving openings (4, 5) are formed on one side (6) of the frame beam (1) for receiving one end (2a, 3a) of each cross strut (2, 3) into the frame beam. Fastening holes (12) and / or outlines thereof are formed in the region of the end (2a, 3a) of the cross strut (2, 3) extending into the frame beam (1), and corresponding fastening holes (12') and / or outlines thereof are formed on the sides (7, 8) of the frame beam (1) perpendicular to the side (6) having the receiving openings (4, 5). Guide holes (9, 9') are formed on the sides (7, 8) of the frame beam perpendicular to the side (6) having the receiving openings (4, 5) and equipped with at least one guide pin (10, 10') extending in the transverse direction of the frame beam. A guide groove (11, 11') extending in the longitudinal direction of the cross strut (2, 3) is formed at the end (2a, 3a) of the cross strut, which, in cooperation with said at least one guide pin (10, 10'), positions the fastening holes (12) of the cross strut (2, 3) and the corresponding fastening holes (12') of the frame beam (1) in exact alignment, enabling fastening means (13) to be inserted precisely through the fastening holes (12, 12'), thereby rigidly connecting the pipe profiles (1, 2, 3) to each other. A further object of the invention is a truss structure (16) utilizing the connecting structure.

The utility model provides an agricultural greenhouse connecting device which comprises an arched beam, longitudinal rod frameworks matched with the two sides of the arched beam through fasteners, a transverse rod arranged below the arched beam, the two ends of the transverse rod are fixedly matched with the longitudinal rod frameworks through fasteners, a V-shaped inclined supporting rod is arranged between the transverse rod and the arched beam, and the two ends of the V-shaped inclined supporting rod are fixedly matched with the arched beam and the transverse rod. The agricultural greenhouse connecting device comprises a longitudinal rod framework, a connecting clamp is arranged on the longitudinal rod framework in a matched mode, a reinforcing rib rod is arranged on the connecting clamp in an inserted and matched mode, and a pin is arranged on the outer wall of the reinforcing rib rod in an extruded and matched mode, so that the agricultural greenhouse connecting device is easy to assemble, convenient to assemble and disassemble, good in overall stability and convenient to maintain, and the connecting clamp has good assembling performance. And secondly, the reinforcing rib rods can be reasonably distributed according to requirements, the pins are fixed in an extrusion mode, the advantage of being not prone to falling off is achieved, assembly is easy, and disassembly and assembly can be achieved only by knocking the two ends.