35results about How to "Improve space rigidity" patented technology

The invention provides a suspension bridge with a packsaddle paraboloid space mixing cable system. The suspension bridge comprises bridge towers, parallel wire ropes, packsaddle paraboloid cable nets and space stay cable nets, wherein each bridge tower comprises a portal type frame column, a parabola-shaped tower cap and tower cap supporting oblique cylinders; the parallel wire ropes are hung between the bridge towers; the end parts of the parallel wire ropes are fixed through an anchorage; each packsaddle paraboloid cable net is a space cable net formed by the sinking of a packsaddle paraboloid space net, and is coated on the parallel wire ropes; a plurality of steel structure curved beams are also arranged on the packsaddle paraboloid cable nets I, and the parallel wire ropes, the packsaddle paraboloid cable networks and the steel structure curved beams are fixed through a corresponding fixture; the space stay cable nets are respectively arranged on two sides of the parallel wire ropes; and the upper end of each space stay cable net is anchored in the corresponding tower cap supporting oblique cylinders, and the lower end of each space stay cable net is connected with the corresponding reinforced steel girder. The suspension bridge disclosed by the invention has the advantages of being high in spanning capacity, high in structural space rigidity, good in wind resisting stability, convenient to construct and the like, so that the problem of the wind resisting stability of an extra-large span suspension bridge is fundamentally solved.

The invention provides an especial-big span suspension bridge of a uniparted hyperboloid space rope net main cable and a construction method thereof. A straight line character of the uniparted hyperboloid is used to change a vertical parallel cable rope system of an original suspension bridge. A thick and heavy centralized cable rope is changed into a dispersive space steel wire cable rope. Multiple strand of steel wire cable ropes are arranged in a cross mode. Space rope net main cable-cross nodes are fixed to form a space cable rope system of the uniparted hyperboloid type. An oval steel strengthening ring beam is arranged. A suspender and a stiffening beam are installed. A gate-type rigidity middle buckle is arranged. The especial-big span suspension bridge of the uniparted hyperboloid space rope net main cable system is built. The especial-big span suspension bridge of the uniparted hyperboloid space rope net main cable system has the advantages of being strong in span capacity, large in space structure rigidity, high in screw frequency ratio, good in wind resistance stability and the like. The novel space main cable system suspension bridge is capable of radically saving the problem of the wind resistance stability of the big span suspension bridge and used for projects of a striding sea connected island. The especial-big span channel suspension bridge of 3000-5000 meters is built.

A solar tracking apparatus for use in photovoltaic power generation. Using a pile column (16) and sleeve (8) combined structure, the present invention, by means of a winch (17), drives steel ropes (19) to pull multiple unpowered passive tracking brackets (1) to rotate and track solar azimuth angle variation; an inclination adjustment mechanism can also be arranged, allowing a photovoltaic assembly panel (2) to rotate about a horizontal axis and track solar altitude angle variation; a mirror surface reflecting plate (28) is arranged on the lower edge of the surface of the photovoltaic assembly panel (2) to enhance the light collection capability of the surface of the photovoltaic assembly panel (2); due to the bending properties of the steel rope (19), the planar arrangement and vertical arrangement of the tracking brackets (1) have great flexibility, and are particularly suitable for landforms of irregular planes and land conditions on uneven sites; stable operation of the transmission system is maintained by using a gravity tension balancing device (18) to absorb and compensate the various deformations of the steel rope (19); the present solar tracking apparatus for use in photovoltaic power generation has a high performance-to-price ratio and a strong adaptability to complex engineering conditions, and is suited to large scale design of the brackets.

A passive gravity compensation branched chain of a spatial parallel mechanism comprises a balance weight, a bisynchronous telescope branched chain, a middle Hooker hinge and a spherical hinge, wherein the middle section of an external bar of the bisynchronous telescope branched chain is connected with a fixed platform of the spatial parallel mechanism through the middle Hooker hinge; the rotating center of the middle Hooker hinge coincides with the geometric center of the fixed platform; the balance weight is fixedly connected with one end of the bisynchronous telescope branched chain; the other end of the bisynchronous telescope branched chain is connected with a movable platform of the spatial parallel mechanism through the spherical hinge; the centroid of the middle Hooker hinge, the rotating center of the middle Hooker hinge and the rotating center of the spherical hinge are collinear; and the distance between the centroid of the balance weight and the rotating center of the middle Hooker hinge is the same as that between the rotating center of the spherical hinge and the rotating center of the middle Hooker hinge. Through the adoption of the passive gravity compensation branched chain, the branched chain static driving force generated by the gravity is eliminated, and the passive gravity compensation branched chain is simple in structure, reasonable in layout, and convenient to use, does not need a driving unit, reduces the branched chain driving force of the spatial parallel mechanism, improves the efficiency and the dynamic characteristics of the mechanism, and is favorable for fully giving play to the advantage of the potential performance of the spatial parallel mechanism.

This application relates to a seagull type space cable-stayed bridge system, including bridge towers, cable-stayed cables, main girders, side piers, middle piers, back cables and cables, and relates to the technical field of bridge engineering, wherein the bridge towers are designed as Arc-shaped, the two ends of the back cable are anchored to the top of the bridge tower respectively, and one end of the cable is connected to the back cable, and the other end is anchored to the root of the bridge tower, so that the bridge tower, back cable and cable form a three-dimensional frame structure, which can be Improving the spatial stiffness of the cable-stayed bridge is beneficial to resist the effects of dead load and live load, and the back cable can be stretched at the top of the tower to adjust the cable force, and the stay cable can be stretched at the root of the bridge tower to adjust the cable force. In order to improve the stress state of the bridge tower under the action of its own weight and the tension of the stay cables, the line shape of the bridge tower is close to the reasonable arch axis, and the bending moment on the root of the bridge tower is reduced, that is, there is no need to change the cross-section of the tower bottom The size is designed to be very large, so the application can not only enhance the spanning capacity of the cable-stayed bridge, reduce material loss and cost, but also enhance the aesthetic feeling of the bridge.

The invention discloses large-span multifunctional roboticized engineering construction equipment and belongs to the technical field of civil engineering construction mechanical equipment. The large-span multifunctional roboticized engineering construction equipment comprises a plurality of supporting stand columns, steel wire rope driving units, steel wire rope guide devices, steel wire ropes, a controller and an end effector. The steel wire rope driving units, the steel wire rope guide devices and the steel wire ropes are matched with the supporting stand columns. The multiple supporting stand columns are arranged around the construction area, and a hydraulic cylinder is arranged in each supporting stand column to achieve ascending and descending of the supporting stand column in the vertical direction. Each steel wire rope driving unit is fixed to one side of the corresponding supporting stand column. The steel wire rope guide devices are arranged at the top ends of the supporting stand columns. One end of each steel wire rope is connected with the corresponding steel wire rope driving unit, and the other end of each steel wire rope penetrates the corresponding supporting stand column to be connected with the end effector after reaching the corresponding steel wire rope guide device. Remote control over the end effector is achieved through the controller, the large-span multifunctional roboticized engineering construction equipment can do wide-range large-span three-freedom-degree motion, the corresponding end effector is used in cooperation, and the work of punching and piling, wall breakage, pavement reconstruction and material carrying is completed.

The invention provides a thin-walled cylindrical soil core pile with wings. The thin-walled cylindrical soil core pile can serve as a supporting body and a temporary facility such as emergency hydraulic rescue, the thin-walled cylindrical soil core pile is made of metal, the middle of the soil core pile is a thin-walled cylinder, a front wing plate and a rear wing plate are arranged at the front end and the rear end of the thin-walled cylinder respectively, a fastening portion is arranged on the front wing plate and used for splicing with a rear wing plate of a front pressing pile in a guiding manner, and a sharp edge is arranged at the bottom of the pile, so that the pile can be smoothly pressed into soil. Various thin-walled cylindrical soil core piles can be sequentially pressed into the soil in a section divided manner, so that the front of one soil core pile is connected with the tail of other soil core pile to form an entire soil core pile, the soil core pile serves as the supporting body when soil is excavated, space stiffness of the pile cylinder and stability of the supporting body are improved by combined actions of the closed thin-walled cylinder, the two wing plates of the pile and a soil core, soil can not be reconstructed, so that surrounding residents cannot be disturbed, construction cost is reduced, the pile can be drawn out after supporting is finished, the pile can be repeatedly used, labor and materials are saved, and environments are protected.

The invention discloses a long-span space cable-net system suspension bridge, which belongs to the field of civil engineering. The long-span space cable network system suspension bridge mainly includes arched bridge towers, main cables, suspenders, parallel cables, space cable nets, back cables, arched ring beams, stiffened steel beams, anchors, caps and pile foundations. and other structures. The invention uses Bezier curves to optimize the traditional portal bridge tower, making its line shape more smooth and more likely to meet the anchoring requirements of the space cables; the space cable network is arranged in the form of a hyperbolic paraboloid, which effectively improves the cable system. At the same time, the excellent mechanical properties of the single leaf hyperboloid are used to improve the shape of the traditional pile foundation, and the anti-overturning performance is significantly improved under the condition of ensuring its bending and shearing bearing capacity. The long-span space cable-net system suspension bridge proposed by the present invention can greatly improve the wind resistance stability of the suspension bridge, and can be used as a reference for the construction of the long-span space cable-net system suspension bridge.

The invention discloses a fabricated mold plate supporting device of a shaped concrete tunnel body. The fabricated mold plate supporting device comprises a plurality of lattice columns, one or more layers of plane truss beams are arranged on a square columnar support composed of all lattice columns in the height direction, and the plane truss beams include a plurality of transverse truss beams fixedly connected between two adjacent lattice columns and a plurality of longitudinal truss beams connected between two adjacent and parallel transverse truss beams; tension chord truss beams are fixedly installed between the lattice columns at the edge of the top end of the columnar support, the plane truss beams are installed at the top ends of the lattice columns located in the space enclosed byall tension chord truss beams, and the plane truss beams at the top ends of the lattice columns and the tension chord truss beams are fixedly connected through the transverse truss beams and the longitudinal truss beams; and a plurality of supporting mechanisms for supporting the side faces of mold plates are arranged on the two lines of the lattice columns which are parallel to the longitudinal truss beams and located at the outermost layer in the height direction.

The invention belongs to the technical field of bridges, and discloses a glass suspension bridge with a ring suspender and a welded hollow ball node stiffened beam glass suspension bridge. The ring suspender and welded hollow ball node stiffened beam glass suspension bridge provided by the embodiment of the invention adopts an audio pattern as the design features. The concept of space-time tunnel is introduced in the architecture and landscape, and the circle with changing diameter is used to reflect the outside of the pedestrian passage, and tourists seem to be walking in the suspended space-time tunnel. Or for the call of the original hometown, the sound waves echoed among the distant mountains. The circular suspenders and welded hollow ball joint stiffened beam glass suspension bridge provided by the embodiment of the present invention adopt various plane and space changes, so that tourists can experience different space changes while traveling, and reduce the visual fatigue of crossing the super-long bridge body. The fun of the glass corridor bridge is increased, and visitors can feel the charm of nature and the stimulation brought by the volley when they are in the high sky framed by transparent glass.

The invention discloses a template supporting device for concrete supporting construction of shaft and lane engineering and relates to a template supporting device for cast-in-place concrete of shaft and lane engineering. The template supporting device comprises wall templates and a vault template and is characterized in that the template supporting device comprises steel joists and fixing anchor rods, wherein each steel joint comprises a cross arm, stand columns and a vault beam; each fixing anchor rod comprises a rod body, a cover plate and a nut; the steel joints are mounted at intervals in the length direction of the poured concrete roadway, and the rod bodies penetrate through the steel joists and are fixed in surrounding rock; the wall templates and the vault template are laid on two steel joists, concrete is poured between the surrounding rock and the templates, and the wall templates and the vault template are laid sequentially with increasing of height of the poured concrete; the steel joists are dismounted after concrete setting, the concrete surface is covered with the cover plate, and composite supporting is formed. The template supporting device has the advantages that the template supporting device is novel in concept, stable and firm in structure, simple to manufacture, convenient to mount and capable of being repeatedly used and wood materials are saved; the roadway is unimpeded, the construction is convenient, and the production efficiency is improved; the strength of the steel joists is high and integrally connected with the surrounding rock to form a stereoscopic structure, and the strength of the supporting device is greatly improved.