CN-224227983-U - Longitudinal and transverse cable and cross cable combined cable net structure of air film structure
Abstract
The utility model discloses a combined cable net structure of a longitudinal cable and a transverse cable of a gas film structure, and relates to the technical field of building structural engineering, wherein the cable net structure adopts a mixed arrangement mode of the longitudinal cable and the transverse cable in the direction of a building plane, a plurality of main bearing cables are arranged in a first axial direction, and a tree-shaped cross cable net is arranged in a second axial direction; the tree-shaped cross cable net is composed of at least two groups of bearing cables and auxiliary cables which are intersected at an acute angle, the main bearing cables and the tree-shaped cross cable net form a space grid through the adjustable connecting pieces, and in the technical scheme provided by the utility model, main loads can be more effectively concentrated, uniform transmission of the loads is realized, and the safety coefficient of the structure is improved. The cable net structure of the small span special-shaped air film structure in the prior art is improved, and the manufacturing cost is low.
Inventors
- QI XIULONG
- HUANG ZHENGMIN
- SHI WEIMIN
- XIE YI
- GAO ZE
- BAI XIAOMIN
Assignees
- 中建北域建设工程有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20250324
Claims (8)
- 1. The cable net structure is characterized in that the cable net structure adopts a mode of mixed arrangement of longitudinal and transverse cables and cross cables in the direction of a building plane, wherein a plurality of main bearing cables (1) are arranged in a first axial direction, and a tree-shaped cross cable net (2) is arranged in a second axial direction; the tree-shaped crossed cable net (2) is composed of at least two groups of bearing cables (21) and auxiliary cables (22) which are crossed at an acute angle; The main bearing cable (1) and the tree-shaped cross cable net (2) form a space grid through an adjustable connecting piece (4).
- 2. The air film structure longitudinal and transverse cable and cross cable combined cable net structure according to claim 1, wherein when the first axial direction is the building width direction and the second axial direction is the building length direction, the main bearing cable (1) is arranged along the short side direction of the building.
- 3. The air film structure longitudinal and transverse cable and cross cable combined cable net structure according to claim 1, wherein when the first axial direction is the building length direction and the second axial direction is the building width direction, the main bearing cable (1) is arranged along the building length direction.
- 4. The gas film structure longitudinal and transverse cable and cross cable combined cable net structure as set forth in claim 1, wherein the main bearing cable (1) is provided with a connecting cable rope (6), and the junction point of the main bearing cable (1) and the connecting cable rope (6) and the junction point of the bearing cable rope (21) and the auxiliary cable rope (22) are all fixed through a node connector (3).
- 5. The gas film structure longitudinal and transverse cable and cross cable combined cable net structure according to claim 1, wherein the adjustable connector (4) is a universal joint connector with three-dimensional rotation freedom degree, and the connection angle adjustment range is +/-15 degrees.
- 6. The gas film structure longitudinal and transverse cable and cross cable combined cable net structure as set forth in claim 1, wherein the building plane is trapezoid or polygonal, and the main bearing cable (1) is arranged along the symmetry axis of the special-shaped plane.
- 7. The gas film structure longitudinal and transverse cable and cross cable combined cable network structure according to claim 1, wherein the steel cable strength ratio of the main bearing cable (1) to the tree-shaped cross cable network (2) is 1.2:1 to 2:1.
- 8. The gas film structure longitudinal and transverse cable and cross cable combined cable net structure as set forth in claim 1, wherein the tree-shaped cross cable net (2) and the main bearing cable (1) are provided with reinforcing cables (5) in a building area.
Description
Longitudinal and transverse cable and cross cable combined cable net structure of air film structure Technical Field The utility model relates to the technical field of building structure engineering, in particular to a combined cable network structure of a longitudinal cable and a transverse cable of a gas film structure. Background The cable net structure of the existing inflatable membrane structure shed mainly has two types, namely a longitudinal cable design and arrangement of a small-span inflatable membrane structure and a cross cable net design and arrangement of a large-span inflatable membrane structure. The cable net arrangement (a longitudinal cable net form and a cross cable net form) of the two existing inflatable membrane structures is suitable for a conventional building, wherein the conventional building refers to a building with a square or rectangular plane shape, and the application range is limited. Disclosure of utility model The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the combined cable-net structure of the longitudinal and transverse cables and the cross cables of the air film structure, and the combined cable-net structure can more effectively concentrate and bear main loads through the mixed arrangement of the main bearing cables and the tree-shaped cross cable net, realize the uniform transmission of the loads and improve the safety coefficient of the structure. In view of the above, the utility model provides a cable net structure combining a longitudinal cable and a transverse cable of a gas film structure, wherein the cable net structure adopts a mixed arrangement mode of the longitudinal cable and the transverse cable in the plane direction of a building, a plurality of main bearing cables are arranged in a first axial direction, and a tree-shaped cross cable net is arranged in a second axial direction; The tree-shaped crossed cable net consists of at least two groups of bearing cables and auxiliary cables which are crossed at an acute angle; The main bearing cable and the tree-shaped cross cable net form a space grid through the adjustable connecting piece. Alternatively, when the first axial direction is the building width direction and the second axial direction is the building length direction, the main load-bearing cables are arranged along the building short side direction. Alternatively, when the first axial direction is the building length direction and the second axial direction is the building width direction, the main load-bearing cables are arranged along the building length direction. Optionally, a connection steel cable is arranged on the main bearing cable, and the junction point of the main bearing cable and the connection steel cable and the junction point of the bearing cable and the auxiliary cable are all fixed through a node connector. Optionally, the adjustable connector is a universal joint connector with three-dimensional rotational freedom, and the connection angle adjustment range is + -15 deg.. Optionally, the building plane is trapezoidal or polygonal in shape, and the main bearing cable is arranged along the symmetry axis of the special-shaped plane. Optionally, the ratio of cable strengths of the main load bearing cable to the tree-shaped cross-cable network is from 1.2:1 to 2:1. Optionally, the tree-shaped cross cable net and the main bearing cable are provided with reinforcing cables in a building area. From the above technical solutions, the embodiment of the present utility model has the following advantages: 1. According to the gas film structure longitudinal and transverse cable and cross cable combined cable net structure, main load can be more effectively concentrated and transferred through mixed arrangement of the main bearing cable and the tree-shaped cross cable net, the safety coefficient of the structure is improved, and the small-span special-shaped gas film structure cable net structure in the prior art is improved to be stable and low in cost. 2. The air film structure longitudinal and transverse cable and cross cable combined cable net structure is suitable for trapezoid, polygonal and other special-shaped planes, and the main bearing cables are arranged along the symmetrical axis of the building, so that the uniform distribution of force is ensured. In particular, the adjustable connection 4 allows an angular adjustment range of ±15° to accommodate different installation conditions and construction errors. These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings. Drawings The utility model is further described with reference to the accompanying drawings: FIG. 1 is a schematic diagram of the structure of the present utility model. Fig. 2 is a schematic diagram of a prior art small span conventional crossbar network format. Fig. 3 is a schematic diagram of a large-span