Carbon fiber multi-pull-rod connecting piece structure

Abstract

The utility model discloses a carbon fiber multi-pull-rod connecting piece structure, and relates to the technical field of large-span truss devices for wind tunnel experiments. The carbon fiber multi-pull-rod connecting piece structure comprises a first section connecting piece, a second section connecting piece which is the same as the first section connecting piece is arranged on the front side of the first section connecting piece, and the first section connecting piece and the second section connecting piece are symmetrically arranged. Two groups of conical surface carbon fiber pull rods and at least two groups of spherical surface carbon fiber pull rods are arranged between the first section connecting piece and the second section connecting piece; and a second mounting cavity is formed between the first section connecting piece and the second section connecting piece. According to the carbon fiber multi-pull-rod connecting piece structure, mounting of the carbon fiber multi-pull rods is irrelevant, universality and practicability are improved, and the carbon fiber multi-pull-rod connecting piece structure has the advantages of being simple in structure, convenient to adjust and the like, and particularly, the carbon fiber multi-pull-rod connecting piece structure is light in weight, high in strength, capable of guaranteeing rapid mounting of the carbon fiber multi-pull rods and adjustable in angle.

Description

Technical Field

[0001] The utility model relates to the technical field of large-span truss devices for wind tunnel experiments, in particular to a carbon fiber multi-tie rod connector structure. Background Art

[0002] The large-span truss device for wind tunnel experiments is a device used for aerodynamic experiments. It consists of a series of interconnected trusses to support the experimental model and provide sufficient strength and stability. It is widely used in aviation, aerospace, automobiles, construction and other fields to help engineers and scientists better understand the principles of aerodynamics, optimize the design, and improve the performance and safety of aircraft.

[0003] The multi-tie rod structure is an important component of the large-span truss device in wind tunnel experiments. It is composed of multiple rods connected to each other through nodes to form a stable support system, which can effectively disperse and withstand the airflow load on the experimental model and ensure the stability and safety of the entire device. Its design needs to consider factors such as the length, cross-sectional size, material selection and node design of the rod to ensure that it has good load-bearing capacity and stiffness. The multi-tie rod structure plays a key role in wind tunnel experiments, supporting large experimental models and withstanding the effects of high-speed airflow, providing a stable and reliable experimental environment for aerodynamic experiments.

[0004] At present, the actual multi-tie rod connection is generally bolted, which has poor adjustability and weak bearing capacity. Therefore, we propose a carbon fiber multi-tie rod connection structure. Utility Model Content

[0005] The utility model aims to provide a carbon fiber multi-tie rod connector structure, which can solve the problems of poor adjustability and weak bearing capacity of bolt connection in current actual multi-tie rod connections.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a carbon fiber multi-tie rod connector structure, comprising:

[0007] The first cross-section connecting piece has a second cross-section connecting piece identical to it arranged in front of it. The first cross-section connecting piece and the second cross-section connecting piece are arranged symmetrically. Two groups of conical carbon fiber pull rods and at least two groups of spherical carbon fiber pull rods are arranged between the first cross-section connecting piece and the second cross-section connecting piece.

[0008] Preferably, a second installation cavity is provided between the first cross-section connecting member and the second cross-section connecting member, and one end of each set of spherical carbon fiber pull rods is spherically connected in the second installation cavity to form a spherical connection structure.

[0009] Preferably, a first installation cavity is commonly defined between the first section connector and the second section connector, and one end of the two groups of conical carbon fiber pull rods are connected to the first installation cavity by a conical pin to form a conical pin connection structure.

[0010] Preferably, the first cross-section connecting member and the second cross-section connecting member realize two connection modes: a cone pin and a spherical surface, which are easy to process, quick to install and high in positioning accuracy.

[0011] Preferably, the two groups of conical carbon fiber pull rods are connected and positioned by using conical pins, which have high structural strength and are quick to install.

[0012] Preferably, each group of the spherical carbon fiber pull rods is positioned by spherical connection, which makes it easy to rotate and adjust the direction and tension of the connecting rods, has high structural strength, and is quick to install.

[0013] Preferably, the first cross-sectional connecting member and the second cross-sectional connecting member are fixedly connected by bolts.

[0014] Compared with the prior art, the beneficial effects of the utility model are: the carbon fiber multi-tie rod connector structure makes the installation of the carbon fiber multi-tie rods independent, increases the versatility and practicality, and has the advantages of simple structure and convenient adjustment. Specifically, it is light in weight, high in strength, can ensure the quick installation of the carbon fiber multi-tie rod, and can adjust the angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a front perspective view of the utility model;

[0017] Figure 2 It is a front view of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 4 It is a front perspective view of the first cross-section connecting member of the present invention.

[0020] Figure numerals: 1, first cross-section connecting member; 2, second cross-section connecting member; 3, first mounting cavity; 4, second mounting cavity; 5, conical carbon fiber pull rod; 6, spherical carbon fiber pull rod. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a carbon fiber multi-tie rod connector structure, comprising a first cross-section connector 1, a second cross-section connector 2 identical to the first cross-section connector 1 is arranged on the front side thereof, the first cross-section connector 1 and the second cross-section connector 2 are symmetrically arranged, two groups of conical carbon fiber tie rods 5 and at least two groups of spherical carbon fiber tie rods 6 are arranged between the first cross-section connector 1 and the second cross-section connector 2, a second installation cavity 4 is commonly provided between the first cross-section connector 1 and the second cross-section connector 2, one end of each group of spherical carbon fiber tie rods 6 is spherically connected to the second installation cavity 4 and forms a spherical connection structure, a first installation cavity 3 is commonly provided between the first cross-section connector 1 and the second cross-section connector 2, one end of the two groups of conical carbon fiber tie rods 5 are conically pin-connected to the first installation cavity 3 and form a conical pin connection structure, so that there is no correlation between the installation of the carbon fiber multi-tie rods, which increases versatility and practicality, and has the advantages of simple structure and convenient adjustment. Specifically, it is light in weight, high in strength, can ensure the quick installation of the carbon fiber multi-tie rod, and can adjust the angle.

[0023] The first section connector 1 and the second section connector 2 realize two connection modes of tapered pin and spherical surface, which are easy to process, quick to install and have high positioning accuracy. The two groups of tapered carbon fiber tie rods 5 are connected and positioned by tapered pins, with high structural strength and quick installation. Each group of spherical carbon fiber tie rods 6 is connected and positioned by spherical surface, which is easy to rotate and adjust the direction and tension of the connecting rod, with high structural strength and quick installation. When in use, the diameter of each carbon fiber multi-tie rod, the size of the spherical pair, and the split form of the connector can be calculated according to various working conditions such as load, installation space, and installation environment, so as to fit the carbon fiber multi-tie rod connector structure.

[0024] The first section connecting member 1 and the second section connecting member 2 are fixedly connected by bolts.

[0025] Working principle: During installation, the first section connector 1 and the second section connector 2 are connected by bolts, and two sets of conical carbon fiber tie rods 5 are installed in the first installation cavity 3 between the first section connector 1 and the second section connector 2, and multiple sets of spherical carbon fiber tie rods 6 are installed in the second installation cavity 4 between the first section connector 1 and the second section connector 2. The angles of the multiple sets of spherical carbon fiber tie rods 6 can be adjusted at will.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A carbon fiber multi-tie rod connector structure, characterized in that: include: A first cross-sectional connecting member (1) is provided with a second cross-sectional connecting member (2) identical thereto on its front side; the first cross-sectional connecting member (1) and the second cross-sectional connecting member (2) are symmetrically arranged; and two groups of conical carbon fiber tie rods (5) and at least two groups of spherical carbon fiber tie rods (6) are arranged between the first cross-sectional connecting member (1) and the second cross-sectional connecting member (2).

2. A carbon fiber multi-tie rod connector structure according to claim 1, characterized in that: A second installation cavity (4) is provided between the first cross-section connecting member (1) and the second cross-section connecting member (2), and one end of each set of spherical carbon fiber pull rods (6) is spherically connected in the second installation cavity (4) to form a spherical connection structure.

3. A carbon fiber multi-tie rod connector structure according to claim 2, characterized in that: A first installation cavity (3) is provided between the first cross-section connecting member (1) and the second cross-section connecting member (2), and one end of the two groups of conical carbon fiber pull rods (5) are connected to the first installation cavity (3) by a conical pin to form a conical pin connection structure.

4. A carbon fiber multi-tie rod connector structure according to claim 3, characterized in that: The first cross-section connecting piece (1) and the second cross-section connecting piece (2) realize two connection modes: cone pin and spherical surface.

5. A carbon fiber multi-tie rod connector structure according to claim 4, characterized in that: The two groups of conical carbon fiber pull rods (5) are connected and positioned by using conical pins.

6. A carbon fiber multi-tie rod connector structure according to claim 5, characterized in that: Each group of spherical carbon fiber pull rods (6) is positioned by spherical connection.

7. The carbon fiber multi-tie rod connector structure according to claim 6, characterized in that: The first cross-sectional connecting member (1) and the second cross-sectional connecting member (2) are fixedly connected by bolts.

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