Anti-torsion connecting bracket and aircraft

Abstract

The utility model relates to the technical field of aircrafts, in particular to an anti-torsion connecting support and an aircraft. The anti-torsion connecting support comprises a first connecting piece, a second connecting piece and a third connecting piece, and the third connecting piece is connected with the first connecting piece through a forked connecting piece; the third connecting piece is connected with the second connecting piece through a claw-shaped connecting piece; the first connecting piece and the second connecting piece are connected through a cage-shaped connecting piece. The forked connecting piece, the claw-shaped connecting piece and the cage-shaped connecting piece not only can ensure the stability of connection and solve the problem of large deformation of parts under the working condition of large torque load, but also can obviously reduce the overall weight of the anti-torsion connecting bracket. The aircraft provided by the utility model also has the above technical effects due to the fact that the aircraft comprises the anti-torsion connecting bracket.

Description

Technical Field

[0001] The present application relates to the technical field of aircraft, and in particular to an anti-torsion connecting bracket and an aircraft. Background Art

[0002] The bracket is used to connect the propeller and motor of the new energy aircraft, which can play the role of transmitting power and is a key component of the power unit of the new energy aircraft. New energy aircraft use lithium batteries as energy, and reducing the structural weight is of great significance to increasing the flight time of the aircraft. Therefore, under the premise of ensuring the rigidity and strength of the bracket structure, reducing the weight of the parts to the greatest extent has become an important research content in the design and manufacture of the bracket.

[0003] In the prior art, in order to ensure that the connecting bracket can be manufactured, the structural form is single, the material distribution is unreasonable, the weight is too large, and it cannot meet the lightweight design requirements; at the same time, the parts are greatly deformed under high torque load conditions and cannot meet the long-term high torque load conditions.

[0004] Based on the above problems, technicians in this field have obtained a new configuration of anti-torsion connecting bracket by optimizing the material distribution in a given area through the use of a topology optimization method. Utility Model Content

[0005] The present application provides an anti-torsion connecting bracket and an aircraft, which can effectively solve the above or other potential technical problems.

[0006] The first aspect of the present application is to provide an anti-torsion connecting bracket, including a first connecting member, a second connecting member and a third connecting member, wherein the first connecting member and the second connecting member are both used to connect to a motor; the third connecting member is used to connect to a support rod; the first connecting member, the second connecting member and the third connecting member are distributed in a triangle, wherein the first connecting member and the second connecting member are arranged opposite to each other; the third connecting member is connected to the first connecting member through a forked connecting member; the third connecting member is connected to the second connecting member through a claw-shaped connecting member; the first connecting member and the second connecting member are connected through a cage-shaped connecting member.

[0007] The anti-torsion connection bracket provided by the present application includes a first connection member, a second connection member and a third connection member, wherein the third connection member is connected to the first connection member via a forked connection member; the third connection member is connected to the second connection member via a claw connection member; and the first connection member is connected to the second connection member via a cage connection member. The forked connection member, the claw connection member and the cage connection member can ensure the stability of the connection and solve the problem of large deformation of parts under high torque load conditions, while also significantly reducing the overall weight of the anti-torsion connection bracket.

[0008] In an optional embodiment according to the first aspect, the third connecting member is a plate-like structure, and a connecting hole is provided on the third connecting member so that the third connecting member is connected to the support rod through threads.

[0009] In an optional embodiment according to the first aspect, the forked connecting member is an overall Y-shaped structure, including a main connecting portion and two branch connecting portions; the main connecting portion is connected to the top of the third connecting member, and the two branch connecting portions are respectively connected to different positions of the first connecting member.

[0010] In an optional embodiment according to the first aspect, the first connecting member includes at least two first connecting seats, each of which is provided with a top bolt connecting hole, and all of the first connecting seats are located on a first plane; the second connecting member includes at least two second connecting seats, each of which is provided with a bottom bolt connecting hole, and all of the second connecting seats are located on a second plane; wherein the first plane is parallel to the second plane and is arranged opposite to each other.

[0011] In an optional embodiment according to the first aspect, the first connecting member includes six first connecting seats, and the angle between two adjacent first connecting seats is 60°; the two branch connecting parts respectively connect two adjacent first connecting seats; the second connection includes six second connecting seats, and the angle between two adjacent second connecting seats is 60°.

[0012] In an optional embodiment according to the first aspect, the main connecting portion is provided with four elliptical holes.

[0013] In an optional embodiment according to the first aspect, the claw-shaped connector includes eight connecting claws, wherein four connecting claws are distributed on the bottom layer, one connecting claw is distributed on the middle layer, and three connecting claws are distributed on the top layer; wherein the claw-shaped connector also includes a reinforced connecting column, wherein one end of the reinforced connecting column is connected between two adjacent second connecting seats, and the other end is connected between the connecting claw in the middle layer and one connecting claw in the top layer.

[0014] In an optional embodiment according to the first aspect, the cage-shaped connector is formed by a plurality of connecting rods connected in an interlaced manner to form a hollow cage-shaped structure.

[0015] In an optional embodiment according to the first aspect, the number of connection nodes formed by staggered connection rods is eighteen, and sixteen quadrilateral and four triangular hole structures are formed.

[0016] A second aspect of the present application also provides an aircraft, comprising the above-mentioned anti-torsion connecting bracket.

[0017] The aircraft provided in the present application, since it includes the above-mentioned anti-torsion connecting bracket, also has the above-mentioned technical effect of ensuring the stability of the connection, solving the problem of large deformation of parts under large torque load conditions, and at the same time significantly reducing the overall weight of the anti-torsion connecting bracket.

[0018] Advantages of additional aspects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and other purposes, features and advantages of the embodiments of the present application will become more easily understood through the following detailed description with reference to the accompanying drawings. In the accompanying drawings, multiple embodiments of the present application will be described in an exemplary and non-limiting manner, wherein:

[0020] Figure 1 A schematic diagram of the overall structure of the anti-torsion connecting bracket provided in an embodiment of the present application at a first viewing angle;

[0021] Figure 2 A schematic diagram of the overall structure of the anti-torsion connecting bracket provided in an embodiment of the present application at a second viewing angle;

[0022] Figure 3 A schematic diagram of the overall structure of the anti-torsion connecting bracket provided in an embodiment of the present application from a third viewing angle;

[0023] Figure 4 A schematic diagram of the overall structure of the anti-torsion connecting bracket provided in an embodiment of the present application at a fourth viewing angle;

[0024] Figure 5 A schematic diagram of the overall structure of the anti-torsion connecting bracket provided in an embodiment of the present application at a fifth viewing angle;

[0025] Figure 6 A schematic diagram of the overall structure of the anti-torsion connecting bracket provided in an embodiment of the present application at a sixth viewing angle.

[0026] Description of reference numerals:

[0027] 100. Anti-torsion connecting bracket; 1. Third connecting member; 101. First connecting hole; 102. Second connecting hole; 2. First connecting member; 201. First top bolt connecting hole; 202. Second top bolt connecting hole; 203. Third top bolt connecting hole; 204. Fourth top bolt connecting hole; 205. Fifth top bolt connecting hole; 206. Sixth top bolt connecting hole; 3. Second connecting member; 301. First bottom bolt connecting hole; 302. Second bottom bolt connecting hole; 303. Third bottom bolt connecting hole; 304. Fourth bottom bolt connecting hole; 305. Fifth bottom bolt connecting hole; 306. Sixth bottom bolt connecting hole; 4. Forked connecting member; 401. First elliptical hole; 402. Second elliptical hole; 403. Third elliptical hole; 404. Fourth elliptical hole Hole; 5. Claw-shaped connector; 501. First connector claw; 502. Second connector claw; 503. Third connector claw; 504. Fourth connector claw; 505. Fifth connector claw; 506. Sixth connector claw; 507. Seventh connector claw; 508. Eighth connector claw; 509. Strengthening connector column; 6. Cage-shaped connector; 601. First node; 602. Second node; 603. Third node; 604. Fourth node; 605. Fifth node; 606. Sixth node; 607. Seventh node; 608. Eighth node; 609. Ninth node; 610. Tenth node; 611. Eleventh node; 612. Twelfth node; 613. Thirteenth node; 614. Fourteenth node; 615. Fifteenth node; 616. Sixteenth node; 617. Seventeenth node; 618. Eighteenth node. DETAILED DESCRIPTION

[0028] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0033] The bracket is used to connect the propeller and motor of the new energy aircraft, and can play the role of transmitting power. It is a key component of the power unit of the new energy aircraft. New energy aircraft use lithium batteries as energy sources. Reducing the structural weight is of great significance to increasing the flight time of the aircraft. Therefore, under the premise of ensuring the rigidity and strength of the bracket structure, reducing the weight of the parts to the greatest extent has become an important research content in the design and manufacture of the bracket. In the prior art, in order to ensure that the connecting bracket can be manufactured, the structural form is single, the material distribution is unreasonable, the weight is too large, and it cannot meet the lightweight design requirements; at the same time, the parts are greatly deformed under large torque load conditions, and cannot meet the long-term large torque load conditions. Based on the above problems, technicians in this field have optimized the material distribution in a given area by adopting a topological optimization method, and obtained a new configuration of anti-torsion connecting bracket.

[0034] In view of this, the anti-torsion connection bracket provided in the embodiment of the present application includes a first connection member, a second connection member and a third connection member, wherein the first connection member and the second connection member are both used to connect to the motor; the third connection member is used to connect to the support rod; the first connection member, the second connection member and the third connection member are distributed in a triangular shape, wherein the first connection member is arranged opposite to the second connection member; the third connection member is connected to the first connection member through a forked connection member; the third connection member is connected to the second connection member through a claw connection member; the first connection member and the second connection member are connected through a cage connection member. The anti-torsion connection bracket provided in the present application includes a first connection member, a second connection member and a third connection member, wherein the third connection member is connected to the first connection member through a forked connection member; the third connection member is connected to the second connection member through a claw connection member; the first connection member and the second connection member are connected through a cage connection member. The forked connection member, the claw connection member and the cage connection member can not only ensure the stability of the connection, solve the problem of large deformation of parts under large torque load conditions, but also significantly reduce the overall weight of the anti-torsion connection bracket.

[0035] Please refer to Figures 1 to 6 The anti-torsion connecting bracket 100 provided in the embodiment of the present application includes a first connecting member 2, a second connecting member 3 and a third connecting member 1, wherein the first connecting member 2 and the second connecting member 3 are both used to connect to the motor; the third connecting member 1 is used to connect to the support rod; the first connecting member 2, the second connecting member 3 and the third connecting member 1 are distributed in a triangular shape, wherein the first connecting member 2 and the second connecting member 3 are arranged opposite to each other; the third connecting member 1 is connected to the first connecting member 2 through a forked connecting member 4; the third connecting member 1 is connected to the second connecting member 3 through a claw-shaped connecting member 5; the first connecting member 2 and the second connecting member 3 are connected through a cage-shaped connecting member 6.

[0036] The anti-torsion connection bracket 100 provided in the present application includes a first connection member 2, a second connection member 3 and a third connection member 1, wherein the third connection member 1 is connected to the first connection member 2 via a forked connection member 4; the third connection member 1 is connected to the second connection member 3 via a claw connection member 5; and the first connection member 2 is connected to the second connection member 3 via a cage connection member 6. The forked connection member 4, the claw connection member 5 and the cage connection member 6 can ensure the stability of the connection and solve the problem of large deformation of parts under large torque load conditions, while also significantly reducing the overall weight of the anti-torsion connection bracket 100.

[0037] In an optional exemplary embodiment, the third connecting member 1 is a plate-shaped structure, and a connecting hole is provided on the third connecting member 1 so that the third connecting member 1 is connected to the support rod through threads.

[0038] It should be noted that, specifically, in this embodiment, the third connecting member 1 is configured as a plate-like structure, and a connecting hole is provided on the third connecting member 1 so that the third connecting member 1 is threadedly connected to the support rod. This connection method is simple and the connection is stable, which can ensure the stability of the connection and the convenience of operation.

[0039] Specifically, the third connecting member 1 is provided with two connecting holes, namely a first connecting hole 101 and a second connecting hole 102 .

[0040] Specifically, the thickness of the third connecting member 1 is 12.2 mm, the diameters of the two connecting holes on the third connecting member 1 are both 10.5 mm, the spacing between the two connecting holes is 40.0 mm, and the distance between the first connecting hole 101 and the outermost side of the plate-like structure is 14.8 mm.

[0041] In an optional exemplary embodiment, the forked connector 4 is an overall Y-shaped structure, including a main connector and two branch connectors; the main connector is connected to the top of the third connector 1, and the two branch connectors are respectively connected to different positions of the first connector 2.

[0042] It should be noted that, specifically, in this embodiment, the forked connector 4 is designed to be in a Y-shaped structure as a whole. Such a configuration can effectively ensure the stability of the third connector 1 and the first connector 2 connected by the forked connector 4. At the same time, the forked connector 4 can ensure the lightness of the structure in combination with its own structural characteristics.

[0043] In an optional exemplary embodiment, the first connecting member 2 includes at least two first connecting seats, each of which is provided with a top bolt connecting hole, and all of the first connecting seats are located on a first plane; the second connecting member 3 includes at least two second connecting seats, each of which is provided with a bottom bolt connecting hole, and all of the second connecting seats are located on a second plane; wherein the first plane is parallel to the second plane and is arranged opposite to each other.

[0044] It should be noted that, specifically, in this embodiment, the first connecting member 2 and the second connecting member 3 are arranged in this way, so that they can be connected to the motor respectively and the stability of their connection with the motor can be ensured.

[0045] In an optional exemplary embodiment, the first connecting member 2 includes six first connecting seats, and the angle between two adjacent first connecting seats is 60°; the two branch connecting parts respectively connect two adjacent first connecting seats; the second connection includes six second connecting seats, and the angle between two adjacent second connecting seats is 60°.

[0046] It should be noted that, specifically, in this embodiment, the first connector 2 is configured to include six first connector seats, and the angle between two adjacent first connector seats is 60°; the two branch connectors are respectively connected to two adjacent first connector seats; the second connector is configured to include six second connector seats, and the angle between two adjacent second connector seats is 60°. With such a configuration, the multi-point connection can effectively ensure the stability of the connection, and at the same time, the multiple connection points are distributed at equal angles, so that the load of the connection can be evenly distributed at each connection point, thereby effectively avoiding the problem of stress concentration, which leads to damage to the connection structure, and effectively prolonging the service life of the first connector 2 and the second connector 3.

[0047] Specifically, six top bolt connection holes are respectively provided on the six first connection seats, namely, a first top bolt connection hole 201, a second top bolt connection hole 202, a third top bolt connection hole 203, a fourth top bolt connection hole 204, a fifth top bolt connection hole 205, and a sixth top bolt connection hole 206. Six bottom bolt connection holes are respectively provided on the six second connection seats, namely, a first bottom bolt connection hole 301, a second bottom bolt connection hole 302, a third bottom bolt connection hole 303, a fourth bottom bolt connection hole 304, a fifth bottom bolt connection hole 305, and a sixth bottom bolt connection hole 306.

[0048] Exemplarily, there are six top bolt connection holes, the distance between the first top bolt connection hole 201 and the second top bolt connection hole 202 is 43.0 mm, the distance between the third top bolt connection hole 203 and the sixth top bolt connection hole 206 is 86.0 mm, and the distance between the first top bolt connection hole 201 and the fifth top bolt connection hole 205 is 74.5 mm.

[0049] Exemplarily, there are six bottom bolt connection holes, the distance between the first bottom bolt connection hole 301 and the second bottom bolt connection hole 302 is 43.0 mm, the distance between the third bottom bolt connection hole 303 and the sixth bottom bolt connection hole 306 is 86.0 mm, and the distance between the first bottom bolt connection hole 301 and the fifth bottom bolt connection hole 305 is 74.5 mm.

[0050] The distance between the bifurcation point of the Y-shaped structure and the first top bolt connection hole 201 is 51.5 mm.

[0051] Exemplarily, the distance between the first top bolt connection hole 201 and the first bottom bolt connection hole 301 is 140.1 mm.

[0052] In an optional exemplary embodiment, the main connecting portion is provided with four elliptical holes.

[0053] It should be noted that, specifically, in this embodiment, four elliptical holes are provided in the main connecting portion, and such a configuration can further effectively reduce the weight of the forked connecting member 4.

[0054] Specifically, the four elliptical holes are respectively a first elliptical hole 401, a second elliptical hole 402, a third elliptical hole 403 and a fourth elliptical hole 404. The first elliptical hole 401 has a major axis of 6.8 mm and a minor axis of 4.8 mm; the second elliptical hole 402 has a major axis of 18.7 mm and a minor axis of 8.8 mm; the third elliptical hole 403 has a major axis of 26.9 mm and a minor axis of 18.8 mm; the fourth elliptical hole 404 has a major axis of 14.2 mm and a minor axis of 6.0 mm.

[0055] In an optional exemplary embodiment, the claw-shaped connector 5 includes eight connecting claws, wherein four connecting claws are distributed on the bottom layer, one connecting claw is distributed on the middle layer, and three connecting claws are distributed on the top layer; wherein the claw-shaped connector 5 also includes a reinforced connecting column 509, wherein one end of the reinforced connecting column 509 is connected between two adjacent second connecting seats, and the other end is connected between the connecting claw in the middle layer and one connecting claw in the top layer.

[0056] It should be noted that, specifically, in this embodiment, the claw-shaped connector 5 is configured to include eight connection claws, wherein four connection claws are distributed on the bottom layer, one connection claw is distributed on the middle layer, and three connection claws are distributed on the top layer; wherein, the claw-shaped connector 5 also includes a reinforcing connection column 509, wherein one end of the reinforcing connection column 509 is connected between two adjacent second connection seats, and the other end is connected between the connection claw on the middle layer and one connection claw on the top layer. In this way, the claw-shaped connector 5 is divided into three layers, which can not only ensure the stability of the connection, but also effectively reduce the overall weight of the claw-shaped connector 5.

[0057] Exemplarily, the bottom layer has four connecting claws, namely the first connecting claw 501, the second connecting claw 502, the third connecting claw 503 and the fourth connecting claw 504. The middle layer has one connecting claw, namely the fifth connecting claw 505, and the top layer has three connecting claws, namely the sixth connecting claw, the seventh connecting claw and the eighth connecting claw 508.

[0058] In an optional exemplary embodiment, the cage-shaped connecting member 6 is formed by a plurality of connecting rods connected in an interlaced manner to form a hollow cage-shaped structure.

[0059] It should be noted that, specifically, in this embodiment, the cage-shaped connector 6 is formed by staggered connection of multiple connecting rods to form a hollow cage-shaped structure, which can ensure the stability of the connection and effectively reduce the overall weight of the cage-shaped connector 6.

[0060] In an optional exemplary embodiment, the number of connection nodes formed by staggered connection rods is eighteen, and sixteen quadrilateral and four triangular hole structures are formed.

[0061] It should be noted that, specifically, in this embodiment, the number of connection nodes formed by staggering a plurality of the connection rods is eighteen, and sixteen quadrilateral and four triangular hole structures are formed. Such a configuration is based on mechanical analysis and optimized design, so that the cage-shaped connector 6 can not only ensure the stability of the connection, but also effectively reduce the overall weight of the cage-shaped connector 6.

[0062] Exemplarily, eighteen nodes are shown in the figure, namely the first node 601, the second node 602, the third node 603, the fourth node 604, the fifth node 605, the sixth node 606, the seventh node 607, the eighth node 608, the ninth node 609, the tenth node 610, the eleventh node 611, the twelfth node 612, the thirteenth node 613, the fourteenth node 614, the fifteenth node 615, the sixteenth node 616, the seventeenth node 617, and the eighteenth node 618.

[0063] Exemplarily, the eighth node 608 of the cage-shaped connector 6 is formed by the intersection of five connecting rods, and a through hole is provided at the center of the eighth node 608 . The through hole is a nearly circular structure with a diameter of 7.8 mm.

[0064] The present application also provides an aircraft, comprising the above-mentioned anti-torsion connecting bracket 100.

[0065] The aircraft provided in the present application, since it includes the above-mentioned anti-torsion connecting bracket 100, also has the above-mentioned technical effect of ensuring the stability of the connection, solving the problem of large deformation of parts under large torque load conditions, and at the same time significantly reducing the overall weight of the anti-torsion connecting bracket 100.

[0066] Finally, it should be noted that the above implementation modes are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned implementation modes, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned implementation modes can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the implementation modes of the present application.

[0067] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, this application will not further describe various possible combinations.

Claims

1. A torsion-resistant connecting bracket, characterized in that: It comprises a first connecting member, a second connecting member and a third connecting member, wherein the first connecting member and the second connecting member are both used to connect with the motor; the third connecting member is used to connect with the support rod; The first connecting member, the second connecting member and the third connecting member are distributed in a triangle, wherein the first connecting member and the second connecting member are arranged opposite to each other; The third connecting member is connected to the first connecting member via a forked connecting member; The third connecting member is connected to the second connecting member via a claw-shaped connecting member; The first connecting member and the second connecting member are connected via a cage-shaped connecting member.

2. The anti-torsion connecting bracket according to claim 1, characterized in that: The third connecting member is a plate-like structure, and a connecting hole is provided on the third connecting member so that the third connecting member and the support rod are connected by threads.

3. The anti-torsion connecting bracket according to claim 2, characterized in that: The forked connecting piece is in a Y-shaped structure as a whole, including a main connecting part and two branch connecting parts; The main connection portion is connected to the top of the third connection member, and the two branch connection portions are respectively connected to different positions of the first connection member.

4. The anti-torsion connecting bracket according to claim 3, characterized in that: The first connecting member includes at least two first connecting seats, each of which is provided with a top bolt connecting hole, and all of the first connecting seats are located on a first plane; The second connecting member includes at least two second connecting seats, each of which is provided with a bottom bolt connecting hole, and all of the second connecting seats are located on the second plane; Wherein, the first plane and the second plane are arranged parallel to each other.

5. The anti-torsion connecting bracket according to claim 4, characterized in that: The first connecting member includes six first connecting seats, and the angle between two adjacent first connecting seats is 60°; the two branch connecting parts are respectively connected to two adjacent first connecting seats; The second connection includes six second connection seats, and the angle between two adjacent second connection seats is 60°.

6. The anti-torsion connecting bracket according to claim 5, characterized in that: The main connecting portion is provided with four elliptical holes.

7. The anti-torsion connecting bracket according to claim 6, characterized in that: The claw-shaped connecting piece includes eight connecting claws, wherein four connecting claws are distributed on the bottom layer, one connecting claw is distributed on the middle layer, and three connecting claws are distributed on the top layer; Wherein, the claw-shaped connecting member also includes a reinforcing connecting column, one end of which is connected between two adjacent second connecting seats, and the other end of which is connected between the connecting claw in the middle layer and one connecting claw in the top layer.

8. The torsion-resistant connecting bracket according to any one of claims 1 to 7, characterized in that: The cage-shaped connecting piece is formed by staggered connection of a plurality of connecting rods to form a hollow cage-shaped structure.

9. The anti-torsion connecting bracket according to claim 8, characterized in that: The number of connection nodes formed by staggered connection rods is eighteen, and sixteen quadrilateral and four triangular hole structures are formed.

10. An aircraft, characterized in that: The invention comprises the anti-torsion connecting bracket according to any one of claims 1 to 9.

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