Connecting cabin body part based on missile cabin body

Abstract

The utility model relates to the technical field of missile cabins, and discloses a missile cabin-based cabin connecting piece which comprises a barrel, a front frame is mounted at one end of the barrel in a penetrating manner, a rear frame is mounted at the other end of the barrel in a penetrating manner, frame grooves are formed in the inner walls of the two ends of the barrel, and through holes are formed in the surface of the barrel. A bottom plate adheres to the inner wall of the barrel, and supporting lugs are fixedly installed on the surface of the bottom plate. Mounting interfaces such as internal support lugs connected with the cabin body part are of metal structures, so that the mounting strength and precision are ensured; the cylinder body is made of a carbon fiber composite material and is formed by a pipe coiling process, the inner diameter dimensional precision is ensured by a mold, the outer diameter dimensional precision is ensured by machining, and five-axis machining is adopted for slotting and tapping; the support lugs and the cylinder body are bonded into a whole through cold bonding, and the bonding precision is guaranteed through a bonding tool; the bonding direction is determined according to the stress direction, the part stressed outwards is bonded from the inside, and the part stressed inwards is bonded from the outside; conductive paint is sprayed on the inner and outer surfaces of the cylinder to ensure the conductivity of the cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of missile cabins, in particular to a connecting cabin component based on a missile cabin. Background Art

[0002] The missile carbon fiber cabin is used to install missile-borne components and is combined with other components to form a missile. It includes three cabins: the guidance cabin, the connection cabin and the control cabin. The connection cabin is a structural part and an important part of the missile.

[0003] Traditional connecting cabins are made of metal materials, which are heavy, have insufficient load-bearing strength, and poor impact resistance, resulting in cracks in the connecting cabins when used under various working conditions such as transportation, mounting, launching, and flight of the missile. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a connecting cabin component based on a missile cabin, which has the advantages of light volume and strong resistance, and solves the above-mentioned problems.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of light volume and strong impact resistance, the utility model provides the following technical solution: a connecting cabin component based on a missile cabin, including a cylinder, a front frame is inserted and installed at one end of the cylinder, a rear frame is inserted and installed at the other end of the cylinder, frame grooves are provided on the inner walls at both ends of the cylinder, through holes are provided on the surface of the cylinder, a bottom plate is bonded to the inner wall of the cylinder, and a support ear is fixedly installed on the surface of the bottom plate.

[0008] Preferably, a front frame ring is fixedly mounted on the front end of the front frame, and an extension plate is fixedly mounted on the rear end of the front frame.

[0009] Preferably, a rear frame ring is fixedly mounted on the front end of the rear frame, and lugs are fixedly mounted on the inner walls of the rear frame ring and the front frame ring.

[0010] Preferably, the outer surfaces of the front frame and the rear frame are both fixedly mounted with limiting strips, and the inner wall of the cylinder is provided with limiting grooves corresponding to the limiting strips.

[0011] Preferably, the cylinder is integrally formed by rolling a carbon fiber cloth prepreg tube.

[0012] Preferably, a conductive paint layer is sprayed on the surface of the cylinder.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a connecting cabin part based on the missile cabin, which has the following beneficial effects:

[0015] The connection cabin parts based on the missile cabin, the internal support ears of the connection cabin parts and other installation interfaces adopt metal structures to ensure the installation strength and accuracy; the cylinder is made of carbon fiber composite materials and formed by the tube rolling process. The inner diameter size accuracy is guaranteed by the mold, the outer diameter size accuracy is guaranteed by machining, and the grooving and hole opening are processed by five-axis machining; the support ears and the cylinder are cold-bonded into one, and the bonding accuracy is guaranteed by bonding tooling; the bonding direction is determined according to the force direction, and the outward force is bonded from the inside, and the inward force is bonded from the outside; conductive paint is sprayed on the inner and outer surfaces of the cylinder to ensure the conductivity of the cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front exploded structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the side exploded structure of the utility model;

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

[0019] Figure 4 This is a schematic diagram of the front frame structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the rear frame structure of the utility model.

[0021] In the figure: 1, cylinder; 2, front frame; 3, rear frame; 4, front frame ring; 5, rear frame ring; 6, limiting strip; 7, limiting groove; 8, frame groove; 9, through hole; 10, bottom plate; 11, support ear; 12, extension plate; 13, lug. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 A connecting cabin component based on a missile cabin comprises a cylinder 1, which is integrally formed by rolling a carbon fiber cloth prepreg tube. A conductive paint layer is sprayed on the surface of the cylinder 1. Pure silver paint with excellent conductive properties is selected as the conductive paint, and the brand is NX101.

[0024] See also Figure 1-5A front frame 2 is inserted and installed at one end of the cylinder 1, and a rear frame 3 is inserted and installed at the other end of the cylinder 1. Frame grooves 8 are opened on the inner walls of both ends of the cylinder 1, and a through hole 9 is opened on the surface of the cylinder 1. A bottom plate 10 is bonded to the inner wall of the cylinder 1, and a support ear 11 is fixedly installed on the surface of the bottom plate 10.

[0025] See also Figure 1-5 The front end of the front frame 2 is fixedly mounted with a front frame ring 4, and the rear end of the front frame 2 is fixedly mounted with an extension plate 12. The front end of the rear frame 3 is fixedly mounted with a rear frame ring 5, and the inner walls of the rear frame ring 5 and the front frame ring 4 are fixedly mounted with lugs 13.

[0026] See also Figure 1-5 The outer surfaces of the front frame 2 and the rear frame 3 are fixedly mounted with limiting strips 6 , and the inner wall of the cylinder 1 is provided with limiting grooves 7 corresponding to the limiting strips 6 .

[0027] During installation, a layer of glue is applied to the inner wall of the frame groove 8 in advance, and then the front frame 2 and the rear frame 3 are inserted into the limiting groove 7 through the limiting strip 6. The front frame 2 and the rear frame 3 are then embedded in the frame groove 8 to tightly bond the two. The support ear 11 is bonded to the inner wall of the cylinder 1 through the bottom plate 10, and the extension plate 12 is embedded in the interior of the through hole 9.

[0028] In summary, the connection cabin parts based on the missile cabin, the internal support ears of the connection cabin parts and other installation interfaces adopt metal structures to ensure the installation strength and accuracy; the cylinder 1 is made of carbon fiber composite materials and formed by a tube rolling process. The inner diameter size accuracy is guaranteed by the mold, the outer diameter size accuracy is guaranteed by machining, and the grooving and hole opening are processed by five-axis machining; the support ears 11 and the cylinder 1 are cold-bonded into one, and the bonding accuracy is guaranteed by bonding tooling; the bonding direction is determined according to the force direction, and the force applied outward is bonded from the inside, and the force applied inward is bonded from the outside; conductive paint is sprayed on the inner and outer surfaces of the cylinder 1 to ensure the conductive performance of the cylinder 1.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connecting cabin component based on a missile cabin, comprising a cylinder (1), characterized in that: A front frame (2) is inserted and installed at one end of the cylinder (1), and a rear frame (3) is inserted and installed at the other end of the cylinder (1). Frame grooves (8) are provided on the inner walls at both ends of the cylinder (1), and a through hole (9) is provided on the surface of the cylinder (1). A bottom plate (10) is bonded to the inner wall of the cylinder (1), and a support ear (11) is fixedly installed on the surface of the bottom plate (10).

2. The connecting cabin component based on a missile cabin according to claim 1, characterized in that: A front frame ring (4) is fixedly mounted on the front end of the front frame (2), and an extension plate (12) is fixedly mounted on the rear end of the front frame (2).

3. The connecting cabin component based on a missile cabin according to claim 1, characterized in that: A rear frame ring (5) is fixedly mounted on the front end of the rear frame (3), and lugs (13) are fixedly mounted on the inner walls of the rear frame ring (5) and the front frame ring (4).

4. The connecting cabin component based on a missile cabin according to claim 1, characterized in that: Limiting strips (6) are fixedly mounted on the outer surfaces of the front frame (2) and the rear frame (3), and limiting grooves (7) corresponding to the limiting strips (6) are formed on the inner wall of the cylinder (1).

5. The connecting cabin component based on a missile cabin according to claim 1, characterized in that: The cylinder (1) is integrally formed by rolling a carbon fiber cloth prepreg tube.

6. The connecting cabin component based on a missile cabin according to claim 1, characterized in that: The surface of the cylinder (1) is sprayed with a conductive paint layer.

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