71 results about "Space frame" patented technology

This invention discloses a novel hub-type connection node structure for a steel space frame, comprising: a node disk disposed at the connection node of the steel space frame, wherein the outer edge of the node disk extends outward along the disk surface direction to form multiple first ear plates, and the node disk is coaxially connected to a hub shaft; multiple wing plates connected to the disk surface of the node disk and the circumferential surface of the hub shaft, the wing plates forming second ear plates; and end plates, wherein the end faces of the horizontal members and web members of the steel space frame are respectively connected to the end plates, and the side of the end plates away from the horizontal members and web members respectively forms a third ear plate, the third ear plate of the horizontal member being detachably connected to the first ear plate, and the third ear plate of the web member being detachably connected to the second ear plate. This invention solves the problems of complex welding processes, large node self-weight, and difficulty in aligning members in existing welded hollow sphere nodes of space frame structures.

This invention relates to the field of seismic resistance technology for spatial frame structures, and discloses a method for determining the energy dissipation mechanism of a steel-concrete composite column-composite beam spatial frame. The energy dissipation mechanism includes steel beams, steel-concrete composite columns, and reinforced concrete slabs. The steel beams are welded and fixed to the steel-concrete composite columns via reinforcing rings, and the steel beams are fixedly connected to the reinforced concrete slabs via studs. Tie bars are provided at the ends of the steel-concrete composite columns. The ratio of the flexural bearing capacity of the steel beams to that of the steel-concrete composite columns is within the range of 0.42 to 1.05. By introducing the ductile damage parameter of the steel, combined with the inter-story drift angle, cumulative energy dissipation, beam-column energy dissipation ratio curve, and finite element calculation results of stiffness damage of the spatial frame, the energy dissipation characteristics and energy dissipation mechanism type of the structure are determined. This invention aims to solve the technical problems in the prior art where the steel-concrete composite columns do not form sufficient compression-bending hinges for energy dissipation during seismic resistance, easily leading to collapse, and the technical problems of using beam energy dissipation mechanisms in seismic design while rarely considering column energy dissipation.

This invention provides a climbing tool for a space frame, comprising: a climbing pole, which includes a hook portion and a pull rod portion; a self-locking semi-ring, the middle of which is rotatably connected to the hook portion via a pivot point. When the climbing tool is hung on a space frame member and subjected to force, the self-locking semi-ring and the hook portion together form an open ring to accommodate the space frame member. The inner surface of the open ring is a continuous arc-shaped surface, and the angle at which the open ring encloses the space frame member is greater than 270°; and a handle connected to the pull rod portion. This invention effectively prevents slippage of the hook portion during climbing, even if the hook portion wobbles, due to the self-locking semi-ring, ensuring the safety of the worker.

This utility model discloses a ball node angle positioning device for a space frame, including a placement frame, a fixing frame, and a connector. The ball node of the space frame is placed on the placement frame, and the fixing frame is snapped into place with the placement frame. The ball node is limited and snapped into the fixing frame by the connector, thus realizing the placement of the ball node. The connector includes a handle and a connecting rod, which are detachably connected. This utility model has a compact structure, is easy to use, and has high assembly efficiency, making it convenient for users. The ball node of the space frame is pre-rotated to the designed angle, and then leveled during hoisting and flipping of the space frame, eliminating the need for further adjustment of the hoisting angle, greatly improving assembly efficiency and reducing workload. The angle adjustment of the ball node is easy, requiring minimal additional equipment, further improving assembly efficiency.

The utility model discloses a portable railway work uses cross line device relates to railway work technical field, including fixed bottom plate, the top of fixed bottom plate is provided with cross line mechanism, the cross line mechanism includes spacing frame, the bottom surface of spacing frame is connected with fixed bottom plate slidingly, the inner wall rotationally connected with carousel of spacing frame, the inner wall slidingly connected with driven slide bar of carousel, one end of driven slide bar is fixedly connected with driven sleeve pipe, and the cooperation of parts in cross line mechanism is set up, realizes the cross line operation of steel rail automatically, guarantees the safety of steel rail lifting in the cross line process simultaneously, compared with traditional device, the applicant makes the operator not repeatedly bend the waist to complete the whole process operation, reduces the lumbar professional injury risk caused by the bending labor, and replaces the many people cooperative operation mode through the mechanical automation in heavy load, thereby making the device more have practical value.

This application discloses a novel space frame node device, belonging to the technical field of space frame components. It provides a space frame node device that can stably connect to purlins and the outer frame. The device includes hemispheres that can be used individually or in pairs. Each hemisphere has a large end face and a small end face, with at least two inclined surfaces between them. The hemispheres have internal threaded holes within the inclined surfaces and recessed grooves between the inclined surfaces. A through-hole penetrating the large end face is formed within the recessed groove. A stud is also fixedly connected to the large end face, with the stud of one hemisphere suitable for passing through the through-hole of the other hemisphere. This application, by designing hemispheres that can be used independently or in pairs, enables the node device to not only stably connect to purlins inside the space frame but also to achieve full contact and stable connection with the planar frame at the edge of the space frame using the large end face of the hemisphere and the unfitted stud. By opening an insertion channel in the middle of the hemisphere, it can cooperate with a positioning rod to achieve positioning during construction.

The invention discloses a butterfly-shaped connecting node structure for a grid structure of a composite material, which comprises a connecting disc, a plurality of first lug plates, a plurality of second lug plates and a plurality of connecting plates, and is characterized in that the outer edge of the connecting disc extends along the disc surface of the connecting disc to form the plurality of first lug plates; the two fin plates are oppositely arranged, the lower sides of the two fin plates are connected to the plate face of the connecting plate, the fin plates are obliquely arranged, the distance between the two fin plates is gradually increased in the direction from the lower sides of the fin plates to the upper sides of the fin plates, and the two opposite ends of the fin plates extend in the plate face direction of the fin plates to form second lug plates; a third lug plate is formed at one end of the inserting plate, bearing and inserting grooves are formed in the end face of one end of the horizontal rod piece and the end face of one end of the web member of the grid structure respectively, the horizontal rod piece and the web member are made of FRP materials, the other end of the inserting plate is detachably inserted into the bearing and inserting grooves, and the third lug plate is detachably connected to the first lug plate or the second lug plate. According to the invention, the problem that a grid structure adopts a glass fiber reinforced polyurethane composite material rod piece and lacks a connection node with reliable connection is solved.

The utility model provides a full -enclosed heat dissipation machine case relates to heat dissipation machine case technical field, including the box, top opening and cover are equipped with top cover, the bottom of box is close to front end and is equipped with the heat dissipation fan, is equipped with the air inlet hole of communication with the outside of box on the heat dissipation fan, the bottom of box is close to rear end and is equipped with the air outlet hole, heat dissipation subassembly, fix in the inside of box, including the fin and the air duct of setting in the fin below, the air duct links the air inlet hole and the air outlet hole, and the full -enclosed space is formed between the fin and the top cover and the box, VPX frame, install in the full -enclosed space, and the 6U module and 3U module of left and right distribution are fixed on VPX frame, and the bottom of 6U module and 3U module all are with the top surface contact of fin. Advantageous effect is through with VPX frame install in the full -enclosed space, and the bottom of 6U module and 3U module all are with the top surface contact of fin, and the air duct below the fin and the internal airtight space of machine case are completely separated, realize in the closed type machine case can greatly improve the heat dissipation efficiency.

The invention relates to the field of building, and more particularly to a space frame, and can be used for creating wall structures, columns, supports, ceilings and complex dome structures for different purposes. The space frame comprises rods and polyhedral nodes with threaded apertures on the faces thereof for fastening said rods, wherein the rods have a tubular cylindrical shape and have an external thread on their ends, the diameter of the external thread of a rod corresponding to the diameter of a threaded aperture, and the space frame further comprises a coupling with an internal thread, capable of detachably connecting rods. The technical result is that of simplifying and expediting assembly by standardizing the component parts, while at the same time preserving the strength of the space frame.

This utility model discloses a large-span terminal building metal grid roof with an adjustable steel frame assembly, including a support frame. The support frame is connected to a processing component, which includes: an array of guide rods, fixedly connected within the support frame for adjusting end guidance; and several receiving components installed on the guide rods for receiving the steel frame ends. Each receiving component includes a receiving frame slidably connected to the array of guide rods. This utility model relates to the technical field of metal grid roofing. This large-span terminal building metal grid roof with an adjustable steel frame assembly allows the support frame and guide rods to support several receiving components. The receiving frames, vernier calipers, second bolt and nut assembly, and scale plate work together to facilitate precise fixing of the receiving components to the appropriate position on the support frame, reducing installation errors caused by difficulty in determining the installation position of the steel frame end. The connecting strip engages with the receiving frame and is fixed to the receiving frame by the first bolt and nut assembly.

This invention provides a flying pod system for transferring personnel between land and sea, comprising, from top to bottom, a rotorcraft, a lifting cable, and a pod; the two ends of the lifting cable are connected to the rotorcraft and the pod, respectively; the pod includes: a main load-bearing space frame, which has a dome-shaped appearance that expands outward in the middle and converges vertically, serving as the interior of the pod for accommodating the object to be transferred; a sealing structure, disposed on the surface area enclosed by the main load-bearing space frame, for sealing the pod; a lifting point mechanism, mounted on the upper part of the pod's interior, including a rotating buffer mechanism and an elastic buffer mechanism connected sequentially from top to bottom, with the lifting cable connected to the top of the rotating buffer mechanism; and a load-bearing suspension mechanism, mounted on the middle part of the pod's interior, for supporting the object to be transferred and mitigating the transmission of impact loads to the object.

This utility model relates to the field of space frame support technology and discloses an elastic support for a steel structure space frame, including a base plate, a top plate, and a connecting component. The connecting component connects the base plate and the top plate, and fixes the base plate and the top plate through the connecting component. The connecting component includes two mutually offset mating parts, and the two mating parts are respectively connected to the base plate and the top plate. A fixing component connects the two mating parts, and fixes the two mating parts. In the entire process of use, the two offset mating parts can cause the top plate and the base plate to be offset, so that they can be connected to the top of the mounting column and the offset connection node in the space frame respectively. Then, the connection is completed by stabilizing with the fixing component. The whole process does not require external auxiliary tools, which greatly simplifies the installation.

A central upper frame node connector (265), which may be a casting and may comprise: a front horizontal upper frame node (2650) oriented in a first forward direction; a rear horizontal upper frame node (2660) oriented in a first backward direction opposite to the first forward direction; a rear square upper frame node (2670) oriented in a second backward direction and a first downward direction; a vertical upper frame node (2680) oriented in a second downward direction; and a first connecting surface (2690) on a first side of the upper frame node connector (265) and a second connecting surface (2690) on a second side of the upper frame node connector (265) opposite the first side. The central upper frame node connector (265) may be coreless, i.e.,without cavities at one of the frame nodes (2650, 2660, 2670, 2680) and one of the first and second connecting surfaces (2690).

The utility model relates to body weight scale technical field, concretely is a kind of body weight scale convenient to use, the supporting assembly includes spacing frame, bottom bar, U-shaped strut and riser, the spacing frame is fixed at the lower end of pressure sensor assembly, and it is located the both sides of pressure sensor assembly, bottom bar is passed through spacing frame and is connected with spacing frame sliding, the lower end of pressure sensor assembly symmetrical bottom bar is equipped with two guide rails, bottom bar is equipped with a plurality of through holes, U-shaped strut is located the both sides of pressure sensor assembly, the outer end of bottom bar is connected to the lower end of U-shaped strut, the upper end of U-shaped strut is equipped with support plate, double-side handrail provides reliable support for user, especially suitable for old people or the user of the person who cannot move, effectively reduce the risk of falling down, enhance the security in the use process, in the storage and deployment, by means of spring limiting mechanism and sliding structure, supporting assembly can quickly complete storage or deployment, greatly save storage space, also convenient to carry and use.

This utility model belongs to the field of ground penetrating radar technology, and particularly relates to a foldable damping shock-absorbing trolley for ground penetrating radar. The trolley of this utility model adopts a novel structural design, including a foldable frame (1), four wheels (2) installed at the bottom of the frame, and an adjustable tablet clip (7) installed at the top of the frame. The foldable frame (1) is folded by a 90° hinge structure (5), a connecting rod (11) and a folding locking screw (6), reducing storage space; the bottom of the frame is equipped with four sets of bottom shock-absorbing components (including hooks (9), damping springs (8) and height adjustment nuts (3)), which absorb vibration energy through spring deformation, avoid radar bumps affecting detection data, and can adjust the height of the ground penetrating radar from the ground to ensure the stability of field detection.

The utility model discloses a variable diameter expansion puncture sleeve device relates to medical instrument technical field, including air closing valve cover, the inner wall fixed mounting of spacing frame has fixed part limit component, the inner wall bottom fixed mounting of variable diameter fixed box has variable diameter part support seal component. The utility model discloses a variable diameter expansion puncture sleeve device, its by four variable diameter extension board composition's passage can make variable diameter expansion function by fixed part limit component, can adapt to a variety of different size's puncture needle. Through variable diameter part support seal component can utilize the pressure extrusion rubber sleeve of pressing plate and clamping frame, make rubber sleeve adhere to the bottom of four variable diameter extension board of support seat, not only can play the sealing effect, and play the support effect to four variable diameter extension board's expansion. And, when device production and processing, can first fix rubber sleeve in through -hole, then fix spacing frame and four variable diameter extension board, convenient to assemble, simple structure.

This invention discloses a rapid positioning welding jig for spherical nodes in a space frame and its usage method, relating to the field of welded spherical space frame assembly construction technology. It includes a welding base, a member positioning device, an adjustable base for the support rod, a member support rod, and a top support. The welding base is used to place the welded sphere. The member positioning device is sleeved on the welded sphere to achieve precise layout of the contact position between the member and the welded sphere. The adjustable base for the support rod is arranged around the welding base, and the member support rod is installed on the adjustable base. The top support is hinged to the top of the member support rod to support one end of the member. The other end of the member is welded and fixed to the welded sphere. The rapid positioning welding jig for spherical nodes in a space frame provided by this invention and its usage method solve the problems of difficulty in ensuring positioning accuracy, cumbersome installation and dismantling of fixing devices, difficulty in moving them, high construction safety risks, and difficulty in controlling welding deformation in the prior art.

This utility model discloses a slope protection construction operation platform, including inner and outer double rows of diagonal braces parallel to the slope. Each of the inner and outer double rows of diagonal braces is fixedly connected by multiple parallel longitudinal horizontal bars to form a grid-like frame. Multiple transverse horizontal bars are fixedly connected between the inner and outer grid-like frames to form a three-dimensional spatial frame. The two sides and two ends of the three-dimensional spatial frame are connected by crisscrossing scissor braces. The inner side of the three-dimensional spatial frame has tie points for connecting to anchor bolts driven into the slope. This utility model also discloses a construction method for this operation platform. The operation platform has a stable structure, high adjustability, convenient installation, and safety protection functions. It can adapt to different slope ratios, heights, and geological conditions, integrating a work platform, safety protection, and equipment load-bearing capacity into one unit.

The utility model belongs to the field of building engineering, especially relate to a T type concrete support platform, including base one, base two, bearing wheel, mounting panel, spacing frame and hydraulic cylinder etc., base two is placed in the middle position of two base one, is installed with two parallel distribution's hydraulic cylinder on every base one, and every hydraulic cylinder's telescopic end is towards inside, is installed with a mounting panel between the telescopic end of two hydraulic cylinders of longitudinal alignment, every mounting panel is fixedly connected with a spacing frame on the side close to base two, the lower part of every mounting panel is rotatably provided with a bearing wheel. Through the cooperation of rack, gear and self -locking motor, realize the flexible movement of platform, and operating personnel can conveniently reach the forming mould of different positions through platform and operate, need not to move own position frequently or use additional climbing equipment, improve the convenience and work efficiency of operation, also reduce the labor intensity of operating personnel.

This application discloses a method and system for intelligent lifting monitoring and control of steel structure space frames. The method includes: establishing a finite element model based on steel structure drawings; assisting in setting stress monitoring points and geometric posture monitoring points to obtain monitoring data at corresponding locations; and using temperature-compensated monitoring data to drive the finite element model for real-time data analysis and data trend prediction, thereby achieving automatic posture correction, proactive risk prediction, and alarm activation. This application utilizes multi-source monitoring data for local data processing and real-time finite element simulation prediction, achieving automatic posture correction and proactive multi-level alarms through data comparison. Closed-loop construction through "sensing-prediction-control" significantly enhances the safety and synchronization during the steel structure lifting process.

This invention discloses a safety stool for space frame operations and its usage method, comprising a base, a first connecting base, an elastic band, two outer clamping plates, a second connecting base, two inner clamping plates, a third connecting base, a bottom plate, a spring, an elastic waist belt, and a safety buckle; the upper assembly is fixed to the lower middle of the base, the elastic band is fixed to the front and back of the base, the elastic waist belt is fixed to the left and right sides of the base, the outer clamping plates are connected to the lower sides of the base via the first connecting base, the safety buckle is fixed to the upper front of the first section of the left outer clamping plate, the buckle is fixed to the upper front of the first section of the right outer clamping plate, the inner clamping plates are connected to the lower part of the second section of the outer clamping plates via the second connecting base, the bottom plate is connected to the upper end of the inner clamping plates via the third connecting base, the lower assembly is fixed to the upper middle of the bottom plate, and the spring is embedded between the upper and lower assemblies.

This invention provides a hybrid vibration reduction method for large-span steel space frames in wind tunnels based on TMD and viscous dampers, belonging to the field of wind tunnel technology. This invention involves installing magnetorheological elastomer variable stiffness devices and temperature-compensated viscous dampers within each tuned mass damper unit. It collects signals using triaxial accelerometers and performs frequency domain decomposition algorithm mode identification, establishing a two-layer game optimization model to output the optimal frequency distribution vector and optimal damping force distribution vector. Based on the optimization results, the stiffness coefficient and damping coefficient are adjusted using a current controller. The vibration reduction effect is evaluated using a sliding time-window power spectral density analysis method, and the optimization model is re-executed to update the control parameters based on the evaluation results. This solves the technical problem of vibration reduction failure in large-span steel space frame structures due to frequency detuning of tuned mass dampers caused by multimodal coupled vibration under wind load excitation.

The present application relates to a kind of special-shaped curved surface super GRC plate block system, and the system includes: main frame, including cross keel and vertical keel, by the frame cross keel of horizontal parallel arrangement and vertical parallel arrangement vertical keel is formed close to the space frame structure of main structure, cross keel is fixed on vertical keel by vertical pick, and connecting steel is welded on cross keel at certain interval, connecting steel and GRC panel are bonded together, and finally super GRC plate block is fixed on main frame by multiple connecting steel;Upper hanging point, including hanging piece and support piece, is set in the position of upper frame cross keel, and is realized up and down, left and right, front and back three-dimensional adjustment capability by custom combination steel sheet and bolt;Lower hanging point, including round tube and U-shaped groove base, multiple U-shaped groove bases are fixed on main structure respectively, and round tube is clamped in U-shaped groove base;It also includes the manufacturing method and installation process of plate block and system.The system and method of the present application have the advantages of convenient construction, economy, practicality, safety and reliability.

The utility model relates to the transportation and installation field of modularization pipe section, especially a kind of support frame for pipe section, including base and frame piece, and support column is equipped on base;Frame piece is connected with support column, and frame piece has the accommodation space for accommodating modularization pipe section;Two sides of frame piece oppositely are respectively equipped with clamping assembly, and clamping assembly is clamped and connected with modularization pipe section;Support cross bar is equipped in accommodation space, and support cross bar is slidingly connected with frame piece, and support cross bar is used to abut modularization pipe section;Modularization pipe section is supported to specified height by frame piece and support cross bar, and modularization pipe section is limited by clamping assembly, avoid modularization pipe section displacement, so that modularization pipe section is stably supported, avoid modularization pipe section knock damage, and modularization pipe section is conveniently installed and butted;Through the sliding connection of support cross bar and frame piece, it is convenient to make modularization pipe section quickly fixed on frame piece by adjusting cross bar position.

This invention discloses a horizontal support end connection and fixing device and its usage method for a slope structure, relating to the field of slope structure engineering technology. The device includes a large slope structure and a small slope structure. When the angle between the slope plane and the horizontal plane is less than 45 degrees, it is considered a small slope structure. The device and its usage method consider two cases: one where the slope is less than or equal to 45 degrees, and the other where the slope is greater than 45 degrees. This comprehensively solves the problem of effectively fixing the end of the horizontal support of the space frame to the slope structure, significantly improving the overall stability of the space frame, ensuring the safety of subsequent equipment operation, enhancing the safety of the steel frame, and guaranteeing the stability of equipment, pipes, and decorative hangers fixed on the space frame. This significantly reduces the risks and hidden dangers to the quality of subsequent projects caused by the instability of the steel frame structure.

This utility model discloses a lattice-type large-scale space frame jacking system based on hydraulic synchronous control. Its features include a support frame, jacking supports, and hydraulic jacks. The support frame adopts a lattice structure with a planar dimension of 1.2m × 1.2m, with standard sections 1m high, connected by ball joints for rapid assembly and disassembly. Hydraulic jacks are installed at the bottom of the support frame, positioned on the jacking supports, and secured by jacking caps, connecting rods, and pins to ensure uniform force distribution. This application provides a lattice-type large-scale space frame jacking system based on hydraulic synchronous control for jacking space frames. Lifting involves using a hydraulic jack system to lift one section, then adding another standard section until the designed height is reached. Rapid assembly and disassembly: The ball joint design for standard sections increases disassembly efficiency by 50%, shortening the construction period.