CN210718855U - Air rudder, air rudder connecting assembly and rocket - Google Patents

Abstract

The application discloses air vane, air vane coupling assembling and rocket. Wherein the air vane includes: the heat-proof sleeve comprises a heat-proof sleeve, a connecting piece and a core body, wherein the core body and the connecting piece are both positioned inside the heat-proof sleeve, a heat insulation cavity is arranged between the core body and the heat-proof sleeve, one end of the connecting piece is fixed with the heat-proof sleeve, and the other end of the connecting piece is fixed with the core body. The application solves the problem that the air rudder has poor heat-proof effect.

Description

Air rudder, air rudder connecting assembly and rocket

Technical Field

The application relates to the field of aircraft tail end equipment, in particular to an air rudder, an air rudder connecting assembly and a rocket.

Background

The air rudder is an important part of a super-high-speed aircraft, provides maneuvering flight control force, bears serious pneumatic heating and larger airflow shearing action in the flight process of a carrier, and the strength, rigidity and high-temperature resistance of the air rudder in the design process determine the success or failure of a flight task.

In the related art, the air vane used at present comprises a core body, a heat-proof coating is sprayed on the surface of the core body, and a composite material is sleeved on the heat-proof coating and integrally formed.

In the course of implementing the present invention, the inventors found that there are at least the following problems in the related art:

the air rudder in the related art has a poor heat-proof effect.

Aiming at the problem of poor heat-proof effect of the air rudder in the related art, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides an air vane, air vane coupling assembling and rocket to solve the poor problem of air vane heat protection effect.

In order to achieve the above object, in a first aspect, an embodiment of the present application provides an air rudder, including:

a heat-proof sleeve, a connecting piece and a core body;

the core and the connecting piece are both positioned in the heat-proof sleeve, a cavity is arranged between the core and the heat-proof sleeve, one end of the connecting piece is fixed with the heat-proof sleeve, and the other end of the connecting piece is fixed with the core.

Furthermore, the heat-proof sleeve comprises a heat-proof sleeve cover and a heat-proof sleeve bottom, the heat-proof sleeve cover is detachably connected with the heat-proof sleeve bottom, and the cavity is arranged between the core body and the heat-proof sleeve bottom.

Furthermore, the core body comprises a threaded hole, one end of the connecting piece is fixed with the heat-proof sleeve cover, and the other end of the connecting piece penetrates through the threaded hole to be connected with the heat-proof sleeve bottom.

Further, the material of the connecting member comprises high silica phenolic.

Further, the material of the core includes an aluminum alloy.

Furthermore, the core also comprises a core skin and a core sleeve bottom;

the core skin and the core sleeve bottom are detachably connected, and the cavity is arranged between the core sleeve bottom and the heat-proof sleeve bottom.

Furthermore, a plurality of reinforcing ribs are arranged on the core sleeve bottom.

Further, the core body sleeve bottom also comprises a shell, a plurality of reinforcing ribs are fixed on the shell, the first ends of any two adjacent reinforcing ribs in the plurality of reinforcing ribs are fixed mutually, and the second ends of any two adjacent reinforcing ribs are fixedly connected with one side edge of the shell.

In a second aspect, the application further provides an air rudder connecting assembly, which comprises an air rudder and a rudder shaft assembly connected with the rocket body, wherein the rudder shaft assembly is fixedly connected with the core body.

In a third aspect, the present application further provides a rocket including an air vane connection assembly.

At air rudder, air rudder coupling assembling and rocket that this application embodiment provided, this air rudder includes: the heat-proof sleeve comprises a heat-proof sleeve, a connecting piece and a core body, wherein the core body and the connecting piece are both positioned inside the heat-proof sleeve, a heat insulation cavity is arranged between the core body and the heat-proof sleeve, one end of the connecting piece is fixed with the heat-proof sleeve, and the other end of the connecting piece is fixed with the core body. The application solves the problem that the air rudder has poor heat-proof effect.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is an assembled schematic view of an air vane according to an embodiment of the present application;

FIG. 2 is a schematic structural view of an air vane according to an embodiment of the present application;

FIG. 3 is a cross-sectional schematic view of an air vane according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a rudder shaft according to an embodiment of the present application;

fig. 5 is a schematic structural view of an air rudder connection assembly according to an embodiment of the present application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "top", "bottom", "inner", "outer", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," and "nested" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Further, as shown in fig. 1, a heat-proof sleeve, a connecting piece and a core body are adopted, the core body and the connecting piece are both positioned inside the heat-proof sleeve, a cavity is arranged between the core body and the heat-proof sleeve, one end of the connecting piece is fixed with the heat-proof sleeve, and the other end of the connecting piece is fixed with the core body.

In the embodiment, the heat-proof sleeve comprises a heat-proof sleeve, a connecting piece and a core body, wherein the heat-proof sleeve is detachably connected with the core body through the connecting piece, the number of the connecting piece is at least 3, the connecting piece comprises a screw, an adhesive layer is arranged between the heat-proof sleeve and the core body, make the fixed of heat protection cover and core more firm through the viscose, core and connecting piece all are located the inside of heat protection cover, be equipped with the cavity between heat protection cover and the core, the interface of cavity is corresponding with the side cross-section of core, can make the core fill the cavity under the condition of thermal expansion when reaching thermal-insulated, avoided the overstock heat protection cover of core, main material because of the core is the metal, the main material of heat protection cover is high silica phenolic aldehyde, the coefficient of expansion of metal under high temperature is higher than high silica phenolic aldehyde and is heated and make expansion system, the heat protection performance that has avoided causing the local fracture of heat protection cover to influence the air vane under the high temperature condition.

Further, as shown in fig. 1, the heat-proof jacket includes a heat-proof jacket cover 11 and a heat-proof jacket bottom 12, the heat-proof jacket cover 11 is detachably connected with the heat-proof jacket bottom 12, and the cavity is disposed between the core and the heat-proof jacket bottom 12.

In this embodiment, the heat-proof sleeve adopts a split structure of the heat-proof sleeve cover 11 and the heat-proof sleeve bottom 12, and the cavity is arranged between the core body 2 and the heat-proof sleeve bottom 12, so that the air rudder has a simple structure and is convenient to manufacture.

Further, referring to fig. 1, the core body 2 includes a threaded hole, one end of the connecting piece is fixed to the heat-proof sleeve cover 11, and the other end of the connecting piece passes through the threaded hole to be connected to the heat-proof sleeve bottom 12, so that the air rudder has good overall stability.

In this embodiment, the core body 2 includes a threaded hole, one end of a connecting member is fixed to the heat-proof sleeve cover 11, the other end of the connecting member passes through the threaded hole to be connected with the heat-proof sleeve bottom 12, the connecting member includes a screw, a screw rod of the screw passes through the threaded hole to be connected with the heat-proof sleeve bottom 12, and a head of the screw is connected with the heat-proof sleeve cover 11.

Further, the material of the connecting member comprises high silica phenolic.

In this embodiment, the high silica phenolic composite material is composed of phenolic resin and high silica fiber, the phenolic resin is also called bakelite, which is also called bakelite powder, and is originally colorless or yellowish brown transparent, and is usually sold in the market with a colorant to be red, yellow, black, green, brown, blue, and the like, and has particles or powder. The corrosion inhibitor is resistant to weak acid and weak base, can be decomposed when meeting strong acid, and can be corroded when meeting strong base. Insoluble in water, and soluble in organic solvents such as acetone and alcohol. The high silica fiber is high purity glass fiber containing silica over 96% and produced through leaching process and has excellent ablation resistance. High silica fibers for compression molding are commonly used 80/5 and 66/7 twisted rovings. Where the requirements are not high, untwisted yarns may also be used. The high silica fiber has good cutting performance and higher resin absorption capacity, and a molded product prepared by taking the high silica fiber as a reinforcing material has higher strength, so the high silica fiber is widely applied. When the silica content is as high as 99.95%, which belongs to the category of quartz fiber, and the general quartz fiber is drawn by high-purity natural quartz and used for compression molding, the manufacturability of the quartz fiber is slightly poor, the most important characteristic of the high-silica phenolic resin composite material is high temperature resistance, and the structural integrity and dimensional stability can be maintained even at very high temperature, for this reason, the high-silica phenolic resin is applied to some high-temperature fields, such as refractory materials, friction materials, adhesives and casting industries, an important application of the high-silica phenolic resin is as an adhesive, the high-silica phenolic resin is multifunctional, is compatible with various organic and inorganic fillers, is designed correctly, has a particularly fast wetting speed, and can provide required mechanical strength for grinding tools, refractory materials, friction materials and bakelite powder after cross-linking, heat resistance and electrical properties.

Further, the material of the core 2 includes an aluminum alloy.

In the embodiment, aluminum alloy is a non-ferrous metal structural material which is most widely applied in industry, and is widely applied in aviation, aerospace, automobiles, mechanical manufacturing, ships and chemical industry, the rapid development of industrial economy and the increasing demand on aluminum alloy welded structural members are achieved, the density of pure aluminum is small rho 2.7g/cm3, which is about 1/3 of iron, the melting point is low, 660 ℃ is low, and aluminum is a face-centered cubic structure, so that the aluminum alloy has high plasticity delta of 32-40% and psi of 70-90%, is easy to process, can be made into various sections and plates, has good corrosion resistance, but the strength of pure aluminum is low, the value of sigma b in an annealing state is about 8kgf/mm2, so that the aluminum alloy is not suitable for being used as a structural material, and through long-term production practice and scientific experiments, people gradually add alloy elements and apply heat treatment and other methods to strengthen aluminum, so that a series of aluminum alloys are obtained, the alloy formed by adding certain elements can have higher strength while keeping the advantages of light weight and the like of pure aluminum, and the sigma b values can respectively reach 24-60 kgf/mm 2. Therefore, the ratio sigma b/rho of the specific strength to the specific gravity of the composite material is superior to that of a plurality of alloy steels, so that the composite material becomes an ideal structural material and is widely applied to the aspects of mechanical manufacture, transportation machinery, power machinery, aviation industry and the like, a fuselage, a skin, an air compressor and the like of an airplane are usually made of aluminum alloy to reduce the self weight, and the aluminum alloy is adopted to replace the welding of steel plate materials, so that the structural weight can be reduced by more than 50 percent.

Further, referring to fig. 1, 2 and 3, the core 2 further includes a core skin 21 and a core jacket bottom 22;

the core body skin 21 is detachably connected with the core body sleeve bottom 22, and the cavity is arranged between the core body sleeve bottom 22 and the heat-proof sleeve bottom 12.

In this embodiment, core 2 includes core skin 21 and core set bottom 22, adopts split type structure, and the material of core skin 21 and core set bottom 22 all includes aluminum alloy etc for core 2 simple structure, low in manufacturing cost is equipped with the screw through-hole on the position that core skin 21 and core set bottom 22 correspond, can dismantle core skin 21 and core set bottom 22 through the screw and be connected, and the cavity is located between core set bottom 22 and heat-proof set bottom 12, makes the protection air vane when reducing the heat quantity.

Further, referring to fig. 1, 2 and 3, a plurality of reinforcing ribs 3 are provided on the core jacket bottom 22.

In this embodiment, the core case bottom 22 is provided with a plurality of reinforcing ribs 3, during the structural design process, the overhanging surface of the structural body may be too large, or the span may be too large, under such a condition, the load that the connecting surface of the structural body can bear is limited, and a reinforcing plate, commonly called reinforcing rib 3, is added on the common vertical surface of the two combined bodies to increase the strength of the combined surface, so that the strength of the core case bottom 22 is improved while the weight is reduced

Further, referring to fig. 1, 2 and 3, the core sleeve bottom 22 further includes a housing, the plurality of reinforcing ribs 3 are fixed on the housing, first ends of any two adjacent reinforcing ribs 3 of the plurality of reinforcing ribs 3 are fixed, and second ends of any two adjacent reinforcing ribs 3 are fixedly connected with one side of the housing.

In this embodiment, the core bottom 22 includes a housing, the housing is a groove, the height of the side wall of the groove is adapted to the height of the heat-proof jacket, the housing includes a plurality of reinforcing ribs 3, and the shape of the plurality of reinforcing ribs 3 is fixed to the side wall of the housing, so that the strength of the air vane is kept unchanged while the mass of the air vane is reduced. Including crotch nature, the material of strengthening rib 3 includes aluminum alloy etc. and on the screw hole on the casing was connected simultaneously to the one end of many strengthening ribs 3, the other end and the other end of a plurality of strengthening ribs 3

Based on the same technical idea, the embodiment of the present application further provides an air vane connection assembly, including: the air rudder and a rudder shaft assembly 4 used for being connected with the rocket body, wherein the rudder shaft assembly 4 is fixedly connected with the core body 2.

In this embodiment, referring to fig. 4 and 5, threaded holes are provided in positions corresponding to the air rudder and rudder shaft assembly 4, the number of the threaded holes includes 3, 4 or 5, and the threaded holes penetrate through the rudder shaft and the air rudder to fix the rudder shaft and the air rudder, so that the disassembly or assembly is convenient, the material of the threaded holes includes high silica phenolic, and two side edges of the air rudder are arc-shaped, so that erosion of heat to the air rudder is reduced.

Based on the same technical concept, the embodiment of the present application further provides a rocket, including: an air vane connection assembly.

In this embodiment, the rocket includes air vane coupling assembling and the rocket body, and the air vane coupling assembling sets up on the shell of the rocket body, and four air vane coupling assembling are the annular and distribute on the shell of the rocket body to reach the purpose of adjustment rocket direction of flight.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. An air vane, comprising: the heat-proof sleeve (1), the connecting piece and the core body (2);

the core (2) with the connecting piece all is located inside heat protection sleeve (1), just core (2) with be equipped with the cavity between heat protection sleeve (1), the one end of connecting piece with heat protection sleeve (1) is fixed, the other end of connecting piece with core (2) are fixed.

2. Air rudder according to claim 1, characterised in that the heat shield (1) comprises a heat shield cover (11) and a heat shield sole (12), the heat shield cover (11) being detachably connected to the heat shield sole (12), the cavity being provided between the core (2) and the heat shield sole (12).

3. Air rudder according to claim 2, characterised in that the core (2) comprises a threaded hole, one end of the connecting piece is fixed with the heat-proof jacket cover (11), and the other end of the connecting piece is connected with the heat-proof jacket bottom (12) through the threaded hole.

4. The air vane of claim 3, wherein the material of the connection comprises a high silica phenolic.

5. Air rudder according to claim 4, characterised in that the material of the core (2) comprises an aluminium alloy.

6. The air rudder of claim 3, wherein the core (2) further comprises a core skin (21) and a core sole (22);

the core body skin (21) and the core body sleeve bottom (22) are detachably connected, and the cavity is arranged between the core body sleeve bottom (22) and the heat-proof sleeve bottom (12).

7. Air rudder according to claim 6, characterised in that the core bottom (22) is provided with a number of stiffening ribs (3).

8. The air rudder of claim 7, wherein the core bottom sleeve (22) further comprises a housing, the plurality of ribs (3) are fixed to the housing, first ends of any two adjacent ribs (3) of the plurality of ribs (3) are fixed to each other, and second ends of any two adjacent ribs (3) are fixedly connected to one side of the housing.

9. An air rudder connection assembly, characterized in that it comprises an air rudder according to any one of claims 1-8 and a rudder shaft assembly for connection with a rocket body, said rudder shaft assembly (4) being fixedly connected with said core (2).

10. A rocket comprising the air rudder connection assembly of claim 9.

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