CN210268362U - Novel impact-resistant buffering lining structure made of composite material - Google Patents

Abstract

The utility model provides a novel shock-resistant buffering inside lining structure of combined material, a serial communication port, including the metal shock-resistant buffering inside lining subassembly, the metal shock-resistant buffering inside lining subassembly reduces along launching tube axis direction at the wall thickness that receives the impact direction gradually. The metal lining is only arranged in a local area seriously impacted by transient impact, and the transient impact is distributed on the whole metal lining. The shock-resistant buffer lining structure is an anti-transient shock structure which acts simultaneously with the elastic restraint of the outer layer composite material. The impact-resistant buffering lining structure with the descending levels and the elastic constraint of the outer composite material simultaneously act to improve the application of the functions of tensile resistance, compression resistance, transient internal pressure resistance and high-low frequency vibration on the petroleum pipe fitting connecting piece.

Description

Novel impact-resistant buffering lining structure made of composite material

Technical Field

The utility model provides a novel shock-resistant buffering inside lining structure of combined material especially relates to a gradual change formula metal inside lining structural design, is applied to weapon transmitting system fields such as rocket projectile, guided missile and shot class more, also is applied to the connection structure of combined material pipeline simultaneously.

Background

The existing composite material pipe fitting lining mainly has two structural forms: the fiber is formed by fiber, adhesive, curing agent and the like through a certain process; the other one is made of composite material with metal lining and outer layer through certain technological process.

The first composite material pipe fitting is mainly based on elasticity and plasticity of materials in the whole impact resistance, and can bear various high and low frequency impacts which do not exceed the yield limit of the materials.

The second composite material pipe uses metal material as lining to bear the impact exceeding the yield limit of metal material in a certain range, and the composite material pipe using metal material as lining mostly adopts a full-cylinder metal lining, which better solves the defect of lower impact toughness of the composite material pipe, but also has the limitations of thicker wall thickness of the whole cylinder, heavier weight of the cylinder, larger volume and the like.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a novel shock-resistant buffering inside lining structure of combined material.

The utility model adopts the technical proposal that:

the utility model provides a novel shock-resistant buffering inside lining structure of combined material, includes the metal buffering inside lining subassembly that shocks resistance, the metal buffering inside lining subassembly that shocks resistance is at the wall thickness that receives the impact direction along launching tube axis direction and reduces gradually.

Further, the metal impact-resistant buffer lining component and the composite reinforced pipe are integrated into a whole through winding.

Furthermore, a groove or a convex groove for a guide groove or an air-closing groove is formed in the metal shock-resistant buffer lining component, the metal shock-resistant buffer lining is discontinuously distributed in the circumferential direction of the composite reinforced pipe, and the thickness of the groove or the convex groove is gradually reduced along the axial direction;

or, there are no grooves, holes on the said metal shock-resistant buffer inside lining assembly, the metal shock-resistant buffer inside lining assembly is the cylindrical shape, the inside lining wall thickness is in the consecutive level of axial and decreased progressively or increased progressively and distributed;

or, the metal shock-resistant buffer lining component is also provided with a metal ring protruding in the circumferential direction.

The utility model has the advantages that:

(1) the metal lining part and the composite reinforcing material of the composite material are integrated into a whole, so that the defect that the composite reinforcing material cannot bear larger transient impact when no metal lining exists is overcome.

(2) The metal lining is only arranged in a local area seriously impacted by transient state, and the rest parts are not arranged, so that the weight of the composite material pipe fitting is reduced.

(3) The transient impact on the whole composite material pipe fitting is distributed on the whole metal lining.

(4) After the metal lining of the composite pipe is subjected to plastic deformation due to transient impact, the structure with descending levels and the elastic constraint of the outer composite material act simultaneously.

(5) When the composite material is used as a connecting structure of the petroleum pipe fitting, the structure with gradually decreased levels and the elastic constraint of the outer layer composite material act simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a composite impact resistant cushioning lining structure;

FIG. 2 is a composite impact resistant cushioned liner composite pipe;

FIG. 3 is a composite impact resistant cushioning lining structure;

FIG. 4 is a composite impact resistant cushioned liner launch canister;

FIG. 5 is a connector for reinforcing a structural liner;

FIG. 6 is a composite connector structure for reinforcing a structural lining.

Detailed Description

The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.

The following describes the aforementioned technical solutions (1) to (2) in detail with reference to the embodiments shown in fig. 1, 3 and 5.

As shown in fig. 1, 3, and 5, the implementation strategy in section (1) of the technical solution is as follows: the wall thickness of the metal impact-resistant buffer lining structure 1 in the impact direction is gradually reduced along the axial direction of the launching tube.

As shown in fig. 1, 3, and 5, the implementation strategy in section (2) of the technical solution: the metal impact-resistant buffer lining structure 1 is a single machined part.

The foregoing technical solution (3) of the present invention will be described in further detail with reference to the embodiments shown in fig. 2, 4 and 6.

As shown in fig. 2, 4, and 6, the implementation strategy in section (3) of the technical solution is as follows: after the mechanical processing is finished, the metal impact-resistant buffer lining 1 and the composite material 2 are formed together through a winding process.

The foregoing technical solution (4) of the present invention will be described in further detail with reference to the embodiments shown in fig. 5 and 6.

As shown in fig. 5 and 6, the metal liner 1 may be subjected to transient impacts exceeding the yield strength in the axial direction by adding a metal ring 3 with a certain thickness in the radial direction of the metal liner 1.

Mode of use

(1) As shown in fig. 1 and 2, the composite material 2 pipe fitting is used in a case where a groove or a convex groove such as a guide groove or a gas-tight groove is provided therein, and changes in the axial direction of the launch tube from a thick to a thin according to the magnitude of a force applied.

(2) As shown in figures 3 and 4, the pipe fitting made of the composite material 2 has no grooves, holes and the like, and is subjected to layer reduction according to the thickness corresponding to the stress on the launching tube, so that the weight of the lining and the whole volume are reduced.

(3) As shown in fig. 5 and 6, a gradual change type metal lining 1 is used as a connecting structure at the connecting part of the composite material 2 pipe fittings.

The technical solutions disclosed in the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific embodiments, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims (2)

1. The novel impact-resistant buffering lining structure of the composite material is characterized by comprising a metal impact-resistant buffering lining component, wherein the wall thickness of the metal impact-resistant buffering lining component in the impact direction is gradually reduced along the axial direction of a launching tube;

the metal shock-resistant buffer lining component is provided with a groove or a convex groove for a guide groove or an air-closing groove, the distribution of the metal shock-resistant buffer lining in the circumferential direction of the composite reinforced pipe is discontinuous, and the thickness of the groove or the convex groove is gradually reduced along the axial direction;

or, there are no grooves, holes on the said metal shock-resistant buffer inside lining assembly, the metal shock-resistant buffer inside lining assembly is the cylindrical shape, the inside lining wall thickness is in the consecutive level of axial and decreased progressively or increased progressively and distributed;

or, the metal shock-resistant buffer lining component is also provided with a metal ring protruding in the circumferential direction.

2. The novel impact-resistant cushioning lining structure of composite material as claimed in claim 1, wherein said metal impact-resistant cushioning lining component and said composite reinforcing tube are integrated by winding.

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