Connecting structure of large-span steel-wood composite structure
By employing a semi-apple-shaped shell and internal shock-absorbing mechanism in a large-span steel-wood composite structure, the problem of poor stability was solved, and the stability and seismic resistance of the structure were improved, while also providing ventilation and monitoring functions.
Patent Information
- Application Number
- CN202520510783.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-22
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-22
AI Technical Summary
Existing large-span steel-wood composite structures lack stable supporting structures, resulting in poor stability.
The building adopts an outer shell structure with a cross-section shaped like half an apple. The center is a hyperbolic steel structure, and the outside is a hemispherical reticulated shell wooden structure. It combines an interlocking reticulated shell wooden structure, positioning cable clamps, and high-strength steel cables. The internal shock absorption mechanism is set up to absorb and convert vibration energy, and the external features include fan frame ventilation and camera monitoring.
It improves the stability and seismic resistance of the structure, ensures that it remains stable under external force interference, and provides ventilation and monitoring functions.
Smart Images

Figure CN223907653U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to large span steel wood combined structure technical field especially large span steel wood combined structure's connecting structure. BACKGROUND
[0002] The connecting structure of the large-span steel-wood combined structure refers to the components or node structures used for connecting steel and wood components of two different materials in a steel-wood combined building structure. This connecting structure is crucial for ensuring the stability, bearing capacity and integrity of the entire large-span combined structure. In large-span structures, large sports venues and exhibition halls can take advantage of the respective strengths of steel and wood, and the connecting structure is a key link to realize this advantage combination.
[0003] After searching, the patent with publication number CN217871397U provides a large-span energy-consuming engineering bamboo-wood steel net rack combined structure, which includes an engineering bamboo-wood hollow composite roof panel, a steel net rack, and multiple engineering bamboo columns. The steel net rack is fixed to the bottom surface of the engineering bamboo-wood hollow composite roof panel, and the bottom of the four corners of the steel net rack is fixed to the engineering bamboo columns. The steel net rack is provided with a high viscous energy-consuming structure at the connection point adjacent to the steel net rack and the engineering bamboo column. This large-span energy-consuming engineering bamboo-wood steel net rack combined structure can fully utilize the mechanical performance advantages of engineering bamboo, wood, and steel, and realize the application of engineering bamboo in large-span space structures. At the same time, by setting energy-consuming components in the key compression rod area, the overall collapse of the structure caused by the compression failure of the key position web member is avoided. However, the device lacks a stable support structure, resulting in poor stability. UTILITY MODEL CONTENT
[0004] To make up for the above shortcomings, the utility model provides a connecting structure of a large-span steel-wood combined structure, aiming to improve the problem of poor stability due to the lack of a stable support structure in the prior art.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a connecting structure of a large-span steel-wood combined structure, including an outer shell, an entrance and exit are formed in the front bottom of the outer wall of the outer shell, a plurality of fixed strips are fixedly connected to the outer wall of the outer shell, a plurality of positioning cable clamps are fixedly connected to the outer wall of the fixed strips, a plurality of clamps are fixedly connected to the front side of the positioning cable clamps, steel cables are fixedly connected to the middle part of the clamps, and damping mechanisms are arranged around the inside of the outer shell.
[0006] The shell building structure profile is half apple-shaped, the central double-curved steel structure provides stable support for the whole, the multiple fixed bars are connected with the shell in a mutual support type net shell wood structure, the positioning cable clamps are distributed on the outer wall of the fixed bars, the clamps clamp the steel cable made of high-vanadium cable, thereby the stability of the shell is increased, and the shock-absorbing mechanism is arranged around the inside of the shell.
[0007] Further description of the above technical solution:
[0008] The shock-absorbing mechanism comprises multiple support columns, the top of each of the multiple support columns is fixedly connected to the top of the inside of the shell, the bottom of each of the multiple support columns is fixedly connected with a fixed plate, the bottom of each of the multiple fixed plates is fixedly connected with multiple shock-absorbing pipes, the bottom of each of the multiple fixed plates is fixedly connected with a round plate, and the bottom of each of the multiple round plates is fixedly connected with a damper.
[0009] Through the above technical solution: when vibration occurs, the shock-absorbing pipe absorbs and buffers the vibration energy by using the elastic material inside, after preliminary buffering by the shock-absorbing pipe, the vibration makes the piston of the damper move, the viscous resistance of the liquid hinders the movement of the piston, converts the remaining vibration energy into heat energy and dissipates it, and the whole structure can run or be disturbed by external force, thereby the vibration is reduced and the shell is stable.
[0010] Further description of the above technical solution:
[0011] The front side of the entrance and exit is fixedly connected with a door frame, and the inside top of the door frame is fixedly connected with multiple wind-blocking curtains.
[0012] Through the above technical solution: at the entrance and exit, the multiple wind-blocking curtains arranged on the inside top of the door frame effectively block the invasion of cold air.
[0013] Further description of the above technical solution:
[0014] The top right side of the shell is fixedly connected with a fan frame, and the inside of the fan frame is fixedly connected with a fan blade.
[0015] Through the above technical solution: the fan blade is fixed in the fan frame on the top right side of the shell, and good ventilation effect can be achieved when the fan blade rotates.
[0016] Further description of the above technical solution:
[0017] The adjacent multiple support columns are fixedly connected with connecting columns, and the multiple connecting columns are designed to be round and smooth.
[0018] Through the above technical solution: the connecting columns are designed to be round and smooth between the multiple support columns, the connectivity between the support columns is enhanced, and the overall structure is more stable.
[0019] As a further description of the above technical solution:
[0020] The bottom of each of the plurality of connecting columns is fixedly connected with a top seat, and the bottom of each of the plurality of top seats is fixedly connected with a camera.
[0021] Through the above technical solution: the top seat at the bottom of the connecting column is fixed with a camera, which can accurately capture the condition inside the shell.
[0022] As a further description of the above technical solution:
[0023] The plurality of steel ropes are equal in size, and the rear sides of the plurality of positioning rope clamps are fixedly connected to the front side of the fixed strip at equal distances.
[0024] Through the above technical solution: the steel ropes are consistent in specification, and the positioning rope clamps are arranged at equal distances on the front side of the fixed strip.
[0025] As a further description of the above technical solution:
[0026] The plurality of fixed strips are equal in size, and the plurality of fixed strips are fixed in a cross shape.
[0027] Through the above technical solution: the fixed strips are not only equal in size, but also fixed in a cross shape, so that the structure is more stable and the stress is uniform.
[0028] The utility model has the following beneficial effects:
[0029] 1、The utility model discloses a shell building structure section is half apple -shaped, and the center double -curved steel structure provides stable support for the whole, and a plurality of fixed strips are connected with the shell in the form of mutual support net shell wood structure, and the positioning rope clamp is distributed to the outer wall of the fixed strip, and the clamp clamps the steel rope made of high vanadium cable, thereby realizing the stability of the shell.
[0030] 2、The utility model discloses a shell building structure section is half apple -shaped, and the center double -curved steel structure provides stable support for the whole, and a plurality of fixed strips are connected with the shell in the form of mutual support net shell wood structure, and the positioning rope clamp is distributed to the outer wall of the fixed strip, and the clamp clamps the steel rope made of high vanadium cable, thereby realizing the stability of the shell. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 The utility model discloses a connecting structure of large-span steel-wood combined structure is the perspective view that is proposed to the utility model;
[0032] Figure 2 The utility model discloses a connecting structure of large-span steel-wood combined structure is the plan view that is proposed to the utility model;
[0033] Figure 3 For Figure 2An enlarged view of the structure at A;
[0034] Figure 4 A structure diagram of the clamp of the connecting structure of the large-span steel-wood combined structure is provided in the utility model.
[0035] Figure 5 A structure diagram of the damper of the connecting structure of the large-span steel-wood combined structure is provided in the utility model.
[0036] Legend:
[0037] 1, shell; 2, damping mechanism; 201, support column; 202, fixed plate; 203, damping pipe; 204, round plate; 205, damper; 3, entrance and exit; 4, fixed bar; 5, positioning cable clamp; 6, clamp; 7, steel cable; 8, door frame; 9, wind curtain; 10, fan frame; 11, fan blade; 12, connecting column; 13, top seat; 14, camera. DETAILED DESCRIPTION
[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0039] Reference Figure 1 and Figure 4 An embodiment provided by the utility model: the connecting structure of the large-span steel-wood combined structure, including shell 1, the building structure section is the modeling of half apple, the building center is the double curvature steel structure, the appearance is the half spherical net shell wood structure with the diameter of thirty-eight meters, the spherical top height is twenty-one meters, the outer wall of shell 1 is provided with entrance and exit 3 at the bottom of the front side, which is used for the exit and entry of people, the outer wall of shell 1 is fixedly connected with a plurality of fixed bars 4, adopts the mutual bearing type net shell wood structure, the outer wall of a plurality of fixed bars 4 is fixedly connected with positioning cable clamp 5, which is used for positioning steel cable 7, the front side of a plurality of positioning cable clamps 5 is fixedly connected with clamp 6, which clamps steel cable 7, the middle part of a plurality of clamps 6 is fixedly connected with steel cable 7, the cable adopts high vanadium cable, the strength level is 1670 level, the cable body elastic modulus is one point six zero times one hundred and five megapascals, the inside of shell 1 is provided with damping mechanism 2 around, which is used for reducing vibration;
[0040] Specifically, the shell 1 building structure profile is half an apple shape, the center hyperbolic steel structure provides stable support for the whole, and the external hemispherical net shell wood structure has a diameter of thirty-eight meters and a ball top height of twenty-one meters. The entrance 3 at the bottom of the front side of the outer wall facilitates personnel access, the multiple fixed bars 4 are connected to the shell 1 in a mutual support type net shell wood structure, the positioning cable clamps 5 are distributed on the outer wall of the fixed bars 4, the clamps 6 clamp the steel cables 7 made of high-vanadium cables, the strength grade of the steel cables 7 reaches 1670, and the elastic modulus of the cable body is 1.60*105 MPa, thereby increasing the stability of the shell 1.
[0041] With reference to Figure 2 and Figure 5 , the damping mechanism 2 includes multiple support columns 201, the top of each of the multiple support columns 201 is fixedly connected to the inner top of the shell 1 for support, the bottom of each of the multiple support columns 201 is fixedly connected with a fixed plate 202, the bottom of each of the multiple fixed plates 202 is fixedly connected with multiple damping pipes 203 around for reducing vibration, and the bottom of each of the multiple fixed plates 202 is fixedly connected with a circular plate 204, the bottom of each of the multiple circular plates 204 is fixedly connected with a damper 205 for reducing remaining vibration.
[0042] Specifically, the top of each of the multiple support columns 201 is fixed to the inner top of the shell 1 for increasing the supportability of the shell 1, the damping pipes 203 connected around the bottom of each of the fixed plates 202 effectively buffer various vibrations, and the dampers 205 at the bottom of each of the circular plates 204 further reduce the remaining vibration, thereby ensuring that the whole can maintain a relatively stable state when running or being disturbed by external force.
[0043] With reference to Figure 1 and Figure 2 , the front side of the entrance 3 is fixedly connected with a door frame 8, the inner top of the door frame 8 is fixedly connected with multiple wind curtains 9 for preventing cold wind from entering, the top right side of the shell 1 is fixedly connected with a fan frame 10, the inside of the fan frame 10 is fixedly connected with a fan blade 11 for ventilation, and the adjacent multiple support columns 201 are fixedly connected with a connecting column 12, the multiple connecting columns 12 are designed in a smooth manner to increase the connectivity between the multiple support columns 201.
[0044] Specifically, at the entrance 3, the multiple wind curtains 9 arranged at the inner top of the door frame 8 effectively block the invasion of cold wind, the fan blade 11 is fixed in the fan frame 10 at the top right side of the shell 1, and the connecting column 12 is designed in a smooth manner between the multiple support columns 201, which not only enhances the connectivity between the support columns but also makes the overall structure more stable.
[0045] With reference to Figure 1 and Figure 3The bottoms of the plurality of connecting columns 12 are fixedly connected with top seats 13, the bottoms of the plurality of top seats 13 are fixedly connected with cameras 14 for observing the inside condition of the shell 1, the plurality of steel cables 7 are equal in size, the rear sides of the plurality of positioning cable clamps 5 are fixedly connected on the front side of the fixed strip 4 at equal intervals, the plurality of fixed strips 4 are equal in size, and the plurality of fixed strips 4 are fixed in a cross manner.
[0046] Specifically, the cameras 14 are fixed on the top seats 13 at the bottoms of the plurality of connecting columns 12, which can accurately capture the inside condition of the shell 1, the steel cables 7 are uniform in specification, the positioning cable clamps 5 are arranged on the front side of the fixed strip 4 at equal intervals, and the fixed strips 4 are not only equal in size but also fixed in a cross manner, so that the structure is more stable and the stress is uniform.
[0047] Working principle: The double-curved steel structure is used for bearing, the force is uniformly dispersed and transmitted, the hemispherical net shell wood structure builds a complete protection and space contour on the outside, cooperates with the double-curved steel structure to ensure the stability of the whole structure, the fixed strips 4 enhance the local strength and integrity of the shell 1 through mutual bearing type connection, the positioning cable clamps 5 and the clamps 6 cooperate to accurately fix the steel cables 7, the steel cables 7 effectively limit the deformation and displacement of the structure by virtue of the high strength and specific cable body elastic modulus when bearing the tension, the cable laying disc is arranged on one side of the shell 1, the winch cooperates with the cable expansion, the cable is installed, the cable is installed layer by layer from the lower layer to the upper layer, and the cable is tensioned in turn from the lower layer to the upper layer, the tensioning sequence is the lower layer, the middle layer and the upper layer cable, and each layer of cable is tensioned at the same time, and the cable is tensioned in turn to the STEP two working condition requirement cable force;
[0048] In addition, the tops of the plurality of supporting columns 201 are fixedly connected with the inner top of the shell 1, and the weight of the shell 1 is vertically transmitted downward, when vibration occurs, the shock-absorbing pipe 203 absorbs and buffers the vibration energy by using the elastic material or special structure design inside, after preliminary buffering by the shock-absorbing pipe 203, part of the vibration energy is still transmitted downward, the damper 205 is a device capable of consuming vibration energy, by the movement of the piston in the viscous liquid, when the piston of the damper 205 moves due to vibration, the viscous resistance of the liquid will hinder the movement of the piston, and the vibration energy is converted into heat energy and dissipated, so as to further reduce the remaining vibration, so that the whole structure can maintain a relatively stable state when running or being disturbed by external force.
[0049] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A connecting structure of a long-span steel-wood composite structure, comprising an outer shell (1), characterized in that: The outer wall of the shell (1) is provided with an entrance (3) at the bottom of the front side, a plurality of fixed strips (4) are fixedly connected to the outer wall of the shell (1), a plurality of positioning cable clamps (5) are fixedly connected to the outer walls of the fixed strips (4), a plurality of clamps (6) are fixedly connected to the front sides of the positioning cable clamps (5), steel cables (7) are fixedly connected to the middle parts of the clamps (6), and a damping mechanism (2) is arranged around the inside of the shell (1).
2. The connecting structure of a long-span steel-wood composite structure according to claim 1, characterized in that: The damping mechanism (2) comprises a plurality of support columns (201), the top of each of the support columns (201) is fixedly connected to the inside top of the shell (1), the bottom of each of the support columns (201) is fixedly connected to a fixed plate (202), a plurality of damping pipes (203) are fixedly connected to the bottom of each of the fixed plates (202), a circular plate (204) is fixedly connected to the bottom of each of the fixed plates (202), and a damper (205) is fixedly connected to the bottom of each of the circular plates (204).
3. The connecting structure of a long-span steel-wood composite structure according to claim 1, characterized in that: The front side of the entrance (3) is fixedly connected to a door frame (8), and the inside top of the door frame (8) is fixedly connected to a plurality of windproof curtains (9).
4. The connecting structure of a long-span steel-wood composite structure according to claim 1, characterized in that: The top right side of the shell (1) is fixedly connected to a fan frame (10), and the inside of the fan frame (10) is fixedly connected to a fan blade (11).
5. The connecting structure of a long-span steel-wood composite structure according to claim 2, characterized in that: The adjacent support columns (201) are fixedly connected to connecting columns (12), and the connecting columns (12) are round and smooth.
6. The connecting structure of a long-span steel-wood composite structure according to claim 5, characterized in that: The bottom of each of the connecting columns (12) is fixedly connected to a top seat (13), and the bottom of each of the top seats (13) is fixedly connected to a camera (14).
7. The connecting structure of a long-span steel-wood composite structure according to claim 1, characterized in that: The sizes of the steel cables (7) are equal, and the rear sides of the positioning cable clamps (5) are fixedly connected to the front sides of the fixed strips (4) at equal intervals.
8. The connecting structure of a long-span steel-wood composite structure according to claim 1, characterized in that: The sizes of the fixed strips (4) are equal, and the fixed strips (4) are cross-fixed.
Citation Information
Patent Citations
Bamboo and steel net rack combined structure for large-span energy consumption project
CN217871397U