Multi-head type insertion lug rotating shaft support and machining method thereof

Abstract

The invention belongs to the technical field of rotating shaft supports, and particularly relates to a multi-head type inserting lug rotating shaft support and a machining method thereof.The multi-head type inserting lug rotating shaft support comprises a support body, the support body comprises an upper web plate and a lower web plate, an inserting lug groove is formed between the upper web plate and the lower web plate, and an inserting lug used for being connected with a lug piece is installed in the inserting lug groove; compared with a traditional support, the stability is better, overall weight reduction can be achieved conveniently, machining is convenient, and the weight is light; and the insertion lug rotating shaft bracket can be connected with a metal joint, so that the interchangeability of the joint is realized.

Description

Technical Field

[0001] The invention belongs to the technical field of rotating shaft brackets, and in particular relates to a multi-head ear-inserting rotating shaft bracket and a processing method thereof. Background Art

[0002] Among the aircraft models currently in widespread use, traditional metal or composite material bracket configurations dominate. Traditional brackets for rudders and door-type rotating mechanisms are usually manufactured using metal integral machining. The tail rudders of Airbus aircraft are made of carbon fiber composite materials. Taking the A350 aircraft as an example, the composite tail rudder bracket uses a composite material laminate single joint and a metal double-ear joint connection.

[0003] This type of single-ear composite joint must withstand a certain load, and the overall structure needs to be thickened, so it is relatively heavy, but its stability is still insufficient. Summary of the invention

[0004] The invention discloses a multi-head ear-inserting rotating shaft bracket and a processing method thereof, which mainly solves the problems that the current composite material bracket is heavy and has insufficient stability.

[0005] To achieve the above object, the present invention provides a multi-head ear-plug pivot bracket, comprising a bracket body, wherein the bracket body comprises an upper belly plate and a lower belly plate, an ear-plug groove is arranged between the upper belly plate and the lower belly plate, and an ear for connecting with an ear piece is installed in the ear-plug groove.

[0006] Furthermore, the ear piece is connected to the upper belly plate, the lower belly plate and the inserting ear via a connecting shaft.

[0007] Furthermore, edge strips are provided on both sides of the upper and lower belly plates.

[0008] Furthermore, a filling groove is provided between the edge strip, the upper web and the plug-in ear, and a filling groove is also provided between the edge strip, the lower web and the plug-in ear, and a filling body is provided in the filling groove.

[0009] Furthermore, the filling body includes twisted strips or foamed rubber.

[0010] Furthermore, the upper web, the lower web, the insert ears and the edge strips are integrally co-cured and formed.

[0011] Furthermore, a plurality of inserting ears are arranged in the inserting ear slot, a mounting groove is arranged in the inserting ear, and the ear piece is installed in the mounting groove.

[0012] The present invention also provides a method for processing a multi-head ear-inserting rotating shaft bracket, comprising the following steps: Co-curing molding step: preparing preforms of the upper belly plate, the lower belly plate, the plug ears and the edge strips, and then co-curing them through a combined mold. During the co-curing molding, a vacuum bag is packaged outside the combined mold; Ear piece installation steps: install the ear piece in the ear through the connecting shaft.

[0013] Furthermore, the combined mold is a metal combined mold.

[0014] Furthermore, the edges and inner holes of the bracket are machined after the co-curing molding.

[0015] The technical solution provided by the present invention has at least the following technical effects: The multi-head ear-insertion shaft bracket disclosed in the present invention comprises an upper belly plate and a lower belly plate, an ear-insertion groove is arranged between the upper belly plate and the lower belly plate, an ear is arranged in the ear-insertion groove, and an ear piece can be connected with the ear. Compared with the traditional bracket, the multi-head ear-insertion shaft bracket has better stability, is easy to achieve overall weight reduction, is easy to process, and is light in weight; and the ear-insertion shaft bracket can be connected with a metal joint to achieve interchangeability of the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a schematic structural diagram of the ear plug rotating shaft bracket according to Embodiment 1 of the present invention; Figure 2 This is an exploded view of the ear-plug shaft bracket of Example 1 of the present invention; Figure 3 This is a schematic structural diagram of an ear plug rotating shaft bracket according to Embodiment 2 of the present invention; Figure 4 This is an exploded view of the ear-plug shaft bracket according to Example 2 of the present invention.

[0018] Explanation of main reference numerals: 1. upper belly plate; 2. lower belly plate; 3. plug-in ear; 31. mounting groove; 4. ear piece; 5. connecting shaft; 6. edge strip; 7. filling body. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, examples of which 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 embodiments of the present invention, and should not be construed as limiting the present invention.

[0020] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention 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 invention.

[0021] Example 1: Figure 1 , Figure 2 As shown, this embodiment discloses a multi-head plug-in ear shaft bracket, including a bracket body, the bracket body including an upper belly plate 1 and a lower belly plate 2, the upper belly plate 1 and the lower belly plate 2 have the same structure, an ear slot is provided between the upper belly plate 1 and the lower belly plate 2, and an ear 3 for connecting with an ear piece 4 is installed in the ear slot. In this embodiment, the number of the ear 3 is single, and the ear 3 is designed as an upper and lower structure. A mounting slot 31 is provided in the middle of the ear 3, and the ear piece 4 can be installed in the ear 3. Specifically, the ear piece 4 is connected with the upper belly plate 1, the lower belly plate 2 and the ear 3 through a connecting shaft 5. A plurality of corresponding connecting holes are provided on the upper belly plate 1, the lower belly plate 2, the ear 3 and the ear piece 4, and each connecting shaft 5 penetrates the upper belly plate 1 and the lower belly plate 2 to realize the installation and connection of the ear piece 4, so that the entire ear 3 shaft bracket has high stability. In order to further improve the stability of the ear 3 shaft bracket, edge strips 6 are provided on both sides of the upper belly plate 1 and the lower belly plate 2. The edge strips 6 on both sides are divided into a left edge strip 6 and a right edge strip 6, and the edge strips 6 cover the sides of the upper web 1, the lower web 2 and the plug ear 3. The edge strips 6 improve the stability between the upper web 1, the lower web 2 and the plug ear 3, thereby improving the stability of the entire plug ear 3 shaft bracket.

[0022] The edges of the upper belly plate 1, the lower belly plate 2 and the plug-in ear 3 are all arc-shaped structures, so a filling groove is formed at the connection between the edge strip 6, the upper belly plate 1 and the plug-in ear 3. Specifically, a filling groove is provided between the edge strip 6, the upper belly plate 1 and the plug-in ear 3, and a filling groove is also provided between the edge strip 6, the lower belly plate 2 and the plug-in ear 3. A filling body 7 is provided in the filling groove. The filling body 7 can improve the stability between the upper belly plate 1 or the lower belly plate 2, the edge strip 6 and the plug-in ear 3, making the connection more compact and firm. In order to effectively reduce the weight of the plug-in ear 3 rotating shaft bracket, the filling body 7 mainly uses lightweight filling materials. These materials include twist strips and foam glue, which can not only provide the necessary support and stability, but also significantly reduce the overall weight. The twist strip, with its unique structure and material, can withstand a certain pressure without deformation, while the foam glue, with its lightness and good buffering performance, provides additional protection for the rotating shaft bracket. Through such a design, we not only ensure the performance and durability of the bracket, but also greatly improve its portability and use efficiency.

[0023] In this embodiment, the upper web 1, the lower web 2, the plug ear 3 and the edge strip 6 of the plug ear 3 shaft bracket are co-cured and manufactured as a whole. The structural stability of the bracket is significantly improved and its firmness is greatly enhanced. Through this integrated manufacturing method, the connection between the various parts is tighter, thereby ensuring the reliability and durability of the entire bracket under various working conditions.

[0024] Example 2: Figure 3 , Figure 4 As shown, the main difference between this embodiment and the embodiment 1 is that: in this embodiment, two upper and lower plug ears 3 are arranged in the plug ear slot, and the two plug ears 3 are connected to the ear piece 4. The ear piece 4 forms a double ear piece 4 joint in a "back-to-back" form. At the same time, two filling bodies 7 are also provided to fill the gaps between the plug ears 3 and the edge strip 6, the upper web 1 and the lower web 2. In addition to the two plug ears 3, more plug ears 3 can be added according to actual needs to realize the design of a multi-head plug ear 3 bracket. This design helps to meet the special damage safety requirements of rotating structures such as wing surfaces and doors, and meet the design requirements of multi-path force transmission.

[0025] Embodiment 3: This embodiment provides a method for processing a multi-head ear-plug rotating shaft bracket, comprising the following steps: The co-curing molding process includes: first preparing the preforms of the upper belly plate 1, the lower belly plate 2, the plug ear 3 and the edge strip 6, which can be made of composite materials such as carbon fiber unidirectional tape or fabric. Subsequently, co-curing molding is carried out through a combined mold, which is responsible for forming the inner and outer surfaces of the plug ear 3 bracket and transmitting pressure and temperature during the curing process. The combined mold is generally a metal combined mold, including a side mold, a top plate, a plug ear 3 core mold, and upper and lower cover plates, etc., forming a complete mold combination scheme. This scheme can realize the curing molding of the multi-head plug ear 3 shaft bracket, and is suitable for autoclave co-curing and RTM liquid molding processes. During the co-curing molding process, a vacuum bag is packaged outside the combined mold. After the molding is completed, the edge and inner hole of the bracket are machined, and finally the ear piece 4 is installed in the plug ear 3 through the connecting shaft 5 to form the plug ear 3 shaft bracket. Compared with the traditional bracket, the plug ear 3 shaft bracket designed by the present invention adopts composite material for one-time co-curing molding. It is easy to process and light in weight. The plug ear 3 shaft bracket can be connected with a metal joint to achieve the interchangeability of the joint. In addition, the multi-head ear-plug 3-bracket has better belly stability, which facilitates overall weight reduction.

[0026] The embodiments disclosed above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made on the basis and within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-head ear-plug shaft bracket, comprising a bracket body, characterized in that: The support body comprises an upper belly plate (1) and a lower belly plate (2), an ear insertion groove is provided between the upper belly plate (1) and the lower belly plate (2), and an ear (3) for connecting with an ear piece (4) is installed in the ear insertion groove.

2. The multi-head ear-plug rotating shaft bracket according to claim 1, characterized in that: The ear piece (4) is connected to the upper belly plate (1), the lower belly plate (2) and the plug ear (3) via a connecting shaft (5).

3. The multi-head ear-plug rotating shaft bracket according to claim 1 or 2, characterized in that: Edge strips (6) are provided on both sides of the upper web (1) and the lower web (2).

4. The multi-head ear-plug rotating shaft bracket according to claim 3, characterized in that: A filling groove is provided between the edge strip (6), the upper web (1) and the plug ear (3), and a filling groove is also provided between the edge strip (6), the lower web (2) and the plug ear (3), and a filling body (7) is provided in the filling groove.

5. The multi-head ear-plug rotating shaft bracket according to claim 4, characterized in that: The filling body (7) comprises twisted strips or foamed rubber.

6. The multi-head ear-plug rotating shaft bracket according to claim 3, characterized in that: The upper belly plate (1), the lower belly plate (2), the insert ear (3) and the edge strip (6) are integrally co-cured and formed.

7. The multi-head ear-insertion shaft bracket according to claim 3, characterized in that: A plurality of plug-in ears (3) are arranged in the plug-in ear slot, a mounting groove (31) is arranged in the plug-in ear (3), and the ear piece (4) is mounted in the mounting groove (31).

8. A method for processing a multi-head ear-plug shaft bracket according to any one of claims 1 to 7, characterized in that: The steps include: Co-curing molding step: preparing a preform of the upper belly plate (1), the lower belly plate (2), the plug ear (3) and the edge strip (6), and then co-curing and molding them through a combined mold. During the co-curing molding, a vacuum bag is packaged outside the combined mold; The ear piece (4) installation steps are as follows: the ear piece (4) is installed in the ear scraper through the connecting shaft (5).

9. The method for processing a multi-head ear-plug rotating shaft bracket according to claim 8, characterized in that: The combined mold is a metal combined mold.

10. The method for processing a multi-head ear-plug rotating shaft bracket according to claim 8, characterized in that: The edges and inner holes of the bracket are machined after co-curing.

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