阅读说明：本技术 一种高精度固面天线反射器复材连接结构 (High-precision fixed-surface antenna reflector composite material connecting structure ) 是由 徐挺 朱大雷 刘佳 郝杰 黎昱 张璇 周宓 于 2020-10-30 设计创作，主要内容包括：本发明公开了一种高精度固面天线反射器复材连接结构,包括：偏馈蜂窝反射器本体、定位连接角盒、支撑连接角盒Ⅰ和支撑连接角盒Ⅱ；偏馈蜂窝反射器本体后埋若干金属埋件,与定位连接角盒、支撑连接角盒Ⅰ和支撑连接角盒Ⅱ采用半后埋方式连接：偏馈蜂窝反射器本体的一面为弧形反射面；弧形反射面上后埋若干金属埋件,并提供螺纹接口；定位连接角盒、支撑连接角盒Ⅰ和支撑连接角盒Ⅱ通过若干金属埋件所提供的螺纹接口,与偏馈蜂窝反射器本体采用半后埋方式连接。本发明实现了偏馈蜂窝反射器本体与定位连接角盒和支撑连接角盒的稳定连接,保证了固面天线反射器的使用力学性能要求；同时,具有较高的型面精度,保证了固面天线反射器的工作性能。(The invention discloses a high-precision fixed-surface antenna reflector composite material connecting structure, which comprises: the offset-fed honeycomb reflector comprises an offset-fed honeycomb reflector body, a positioning connection corner box, a support connection corner box I and a support connection corner box II; bury a plurality of metals behind the offset-feed honeycomb reflector body and bury the piece, bury the mode with location connection angle box, support connection angle box I and support connection angle box II and connect after adopting half: one surface of the offset-fed honeycomb reflector body is an arc-shaped reflecting surface; a plurality of metal embedded parts are embedded behind the arc-shaped reflecting surface, and a threaded interface is provided; the positioning connection angle box, the support connection angle box I and the support connection angle box II are connected with the offset feed honeycomb reflector body in a semi-rear-buried mode through threaded interfaces provided by a plurality of metal buried pieces. The invention realizes the stable connection of the offset-fed honeycomb reflector body, the positioning connection angle box and the supporting connection angle box, and ensures the use mechanical property requirement of the solid-surface antenna reflector; meanwhile, the reflector has higher profile precision, and the working performance of the fixed-surface antenna reflector is ensured.)

1. The utility model provides a solid face antenna reflector combined material connection structure of high accuracy which characterized in that includes: the offset feed honeycomb reflector comprises an offset feed honeycomb reflector body (1), a positioning connecting corner box (2) and two supporting connecting corner boxes; wherein, two support connection angle boxes do respectively: a supporting connection angle box I (3) and a supporting connection angle box II (4);

bury a plurality of metals behind offset feed honeycomb reflector body (1) and bury the piece, with the location connect angle box (2), support and connect angle box I (3) and support and connect angle box II (4) and adopt half after burying the mode and connect: one surface of the offset feed honeycomb reflector body (1) is an arc-shaped reflecting surface (11); a plurality of metal embedded parts are embedded behind the arc-shaped reflecting surface (11) and provide a threaded interface; the positioning connection angle box (2), the support connection angle box I (3) and the support connection angle box II (4) are connected with the offset feed honeycomb reflector body (1) in a semi-rear-buried mode through threaded interfaces provided by a plurality of metal buried pieces.

2. The high-precision solid-surface antenna reflector composite material connecting structure according to claim 1, wherein the back buried depth of any metal buried part is less than the height of the arc-shaped reflecting surface (11) at the position of any metal buried part.

3. The high-precision solid-surface antenna reflector composite connecting structure as claimed in claim 1, wherein the offset-fed honeycomb reflector body (1) is prepared by a honeycomb sandwich structure.

4. A high-precision fixed-surface antenna reflector composite connection structure as claimed in claim 1, wherein the positioning connection corner box (2) comprises: the device comprises a positioning connecting plate (21), a reflecting surface connecting plate I (22), a mounting interface I (23) and a metal pin sleeve I (24);

the positioning connecting plate (21) and the reflecting surface connecting plate I (22) form a first set angle and are integrally formed;

the mounting interfaces I (23) are arranged on the reflecting surface connecting plate I (22); the positioning connection corner box (2) is connected with the offset feed honeycomb reflector body (1) in a semi-rear-buried mode through a threaded interface provided by a rear-buried metal buried piece at a corresponding position on the installation interface I (23) and the arc-shaped reflecting surface (11);

a plurality of metal pin sleeves I (24) are arranged on the positioning connecting plate (21); wherein, the surface of metal cotter I (24) is higher than the shaping surface of location connecting plate (21): the metal pin bush I (24) is reserved for a combiner, and after the connecting angle box (2) to be positioned is fixedly connected with the offset feed honeycomb reflector body (1), the combiner is additionally provided with the metal pin bush I (24) so as to guarantee the high-precision requirement of a connecting interface of the fixed-surface antenna reflector.

5. The high-precision fixed-surface antenna reflector composite connecting structure according to claim 4, wherein the first set angle is 66 °.

6. The high-precision fixed-surface antenna reflector composite connecting structure as claimed in claim 4, wherein one side of the reflecting surface connecting plate I (22) close to the offset-fed honeycomb reflector body (1) is fitted with the outer surface of the arc-shaped reflecting surface (11).

7. The high-precision solid-surface antenna reflector composite connecting structure according to claim 1, wherein the supporting and connecting corner box comprises: the device comprises a support connecting plate (31), a reflecting surface connecting plate II (32), a reinforcing rib (33), a mounting interface II (34) and a metal pin bush II (35);

the supporting connecting plate (31) and the reflecting surface connecting plate II (32) are arranged at a second set angle, and the reinforcing ribs (33) are respectively connected with the supporting connecting plate (31) and the reflecting surface connecting plate II (32); wherein, the supporting connecting plate (31), the reflecting surface connecting plate II (32) and the reinforcing ribs (33) are integrally formed;

the mounting interfaces II (34) are arranged on the reflecting surface connecting plate II (32), wherein the supporting connecting angle box is connected with the offset feed honeycomb reflector body (1) in a semi-rear buried mode through the mounting interfaces II (34) and a threaded interface provided by a rear buried metal buried piece at a corresponding position on the arc reflecting surface (11);

a plurality of metal pin sleeves II (35) are arranged on the supporting connecting plate (31); wherein, the outer surface of metal pin cover II (35) is higher than the shaping surface of support connecting plate (31): and a metal pin bush II (35) is reserved for a combiner, and after the supporting connection angle box is connected and fixed with the offset feed honeycomb reflector body (1), the combiner adds the metal pin bush II (35) so as to ensure the high-precision requirement of the connection interface of the fixed-surface antenna reflector.

8. The high-precision fixed-surface antenna reflector composite connecting structure according to claim 7, wherein the second set angle is 59.5 °.

9. The high-precision fixed-surface antenna reflector composite connecting structure as claimed in claim 7, wherein one side of the reflecting surface connecting plate II (32) close to the offset-fed honeycomb reflector body (1) is fitted with the outer surface of the arc-shaped reflecting surface (11).

10. The high-precision fixed-surface antenna reflector composite material connection structure according to claim 3,

the inner surface of the offset feed honeycomb reflector body (1) is a die film surface;

the inner surface of the carbon fiber honeycomb plate of the honeycomb sandwich structure is metalized to form an aluminum or silicon dioxide surface layer.

Technical Field

The invention belongs to the technical field of antenna reflector design, and particularly relates to a high-precision composite material connecting structure of a fixed-surface antenna reflector.

Background

The advantage of the reflector of the solid-surface antenna is high surface precision, and the disadvantage is that the structure is heavy. The reflector structure of the solid-surface antenna is developed by adopting the composite material honeycomb sandwich plate, so that the weight of the reflector structure can be obviously reduced, but the high-precision control of composite material connection and interfaces is difficult.

The existing composite material connecting structure of the fixed-surface antenna reflector is mainly connected in a glue joint mode, namely, the reflecting surface of the composite material is connected with the composite material mounting angle box in a glue joint mode; the glue joint realizes the connection between the composite material reflecting surface and the composite material mounting angle box, but the use mechanical property requirement of the solid surface antenna reflector cannot be ensured, and the working performance of the solid surface antenna reflector is influenced.

Disclosure of Invention

The technical problem of the invention is solved: the defects of the prior art are overcome, the high-precision composite material connecting structure of the fixed-surface antenna reflector is provided, the stable connection of the offset-fed honeycomb reflector body, the positioning connecting angle box and the supporting connecting angle box is realized, and the use mechanical property requirement of the fixed-surface antenna reflector is ensured; meanwhile, the reflector has higher profile precision, and the working performance of the fixed-surface antenna reflector is ensured.

In order to solve the technical problem, the invention discloses a high-precision fixed-surface antenna reflector composite material connecting structure, which comprises: the offset-fed honeycomb reflector comprises an offset-fed honeycomb reflector body, a positioning connecting corner box and two supporting connecting corner boxes; wherein, two support connection angle boxes do respectively: the supporting and connecting angle box I and the supporting and connecting angle box II are arranged on the same side of the base;

bury a plurality of metals behind the offset-feed honeycomb reflector body and bury the piece, bury the mode with location connection angle box, support connection angle box I and support connection angle box II and connect after adopting half: one surface of the offset-fed honeycomb reflector body is an arc-shaped reflecting surface; a plurality of metal embedded parts are embedded behind the arc-shaped reflecting surface, and a threaded interface is provided; the positioning connection angle box, the support connection angle box I and the support connection angle box II are connected with the offset feed honeycomb reflector body in a semi-rear-buried mode through threaded interfaces provided by a plurality of metal buried pieces.

In the high-precision fixed-surface antenna reflector composite material connecting structure, the rear buried depth of any metal buried part is less than the height of the arc-shaped reflecting surface at the position of any metal buried part.

In the high-precision composite material connecting structure of the fixed-surface antenna reflector, the offset-fed honeycomb reflector body is prepared by adopting a honeycomb sandwich structure.

In above-mentioned solid face antenna reflector combined material connection structure of high accuracy, location connection angle box includes: the device comprises a positioning connecting plate, a reflecting surface connecting plate I, a mounting interface I and a metal pin bush I;

the positioning connecting plate and the reflecting surface connecting plate I form a first set angle and are integrally formed;

the mounting interfaces I are arranged on the reflecting surface connecting plate I; the positioning connection angle box is connected with the offset feed honeycomb reflector body in a semi-rear embedded mode through the mounting interface I and a threaded interface provided by a rear embedded metal embedded part at a corresponding position on the arc-shaped reflecting surface;

the metal pin sleeves I are arranged on the positioning connecting plate; wherein, the surface of metal cotter I is higher than the shaping surface of location connecting plate: and a metal pin bush I is reserved on the combiner, and after the connection angle box to be positioned is connected and fixed with the offset feed honeycomb reflector body, the combiner adds the metal pin bush I so as to ensure the high-precision requirement of the connection interface of the fixed-surface antenna reflector.

In the above-described high-precision fixed-plane antenna reflector composite connection structure, the first set angle is 66 °.

In the high-precision fixed-surface antenna reflector composite material connecting structure, one side of the reflecting surface connecting plate I, which is close to the offset-fed honeycomb reflector body, is attached to the outer molded surface of the arc-shaped reflecting surface.

In above-mentioned solid face antenna reflector combined material connection structure of high accuracy, support and connect the angle box, include: the device comprises a support connecting plate, a reflecting surface connecting plate II, reinforcing ribs, a mounting interface II and a metal pin sleeve II;

the supporting connecting plate and the reflecting surface connecting plate II are arranged at a second set angle, and the reinforcing ribs are respectively connected with the supporting connecting plate and the reflecting surface connecting plate II; the supporting connecting plate, the reflecting surface connecting plate II and the reinforcing ribs are integrally formed;

the mounting interfaces II are arranged on the reflecting surface connecting plate II, and the supporting and connecting angle box is connected with the offset-fed honeycomb reflector body in a semi-rear-buried mode through the mounting interfaces II and threaded interfaces provided by rear-buried metal buried pieces at corresponding positions on the arc-shaped reflecting surface;

the plurality of metal pin sleeves II are arranged on the supporting connecting plate; wherein, the outer surface of metal cotter II is higher than the shaping surface of supporting the connecting plate: and the metal pin bush II is added to the combiner after the supporting connection angle box is connected and fixed with the offset feed honeycomb reflector body, so that the high-precision requirement of the connection interface of the fixed-surface antenna reflector is met.

In the above-described high-precision fixed-plane antenna reflector composite connection structure, the second set angle is 59.5 °.

In the high-precision fixed-surface antenna reflector composite material connecting structure, one side of the reflecting surface connecting plate II, which is close to the offset-fed honeycomb reflector body, is attached to the outer profile of the arc-shaped reflecting surface.

In the above-mentioned high-precision fixed-surface antenna reflector composite material connection structure,

the inner surface of the offset feed honeycomb reflector body (1) is a die film surface;

the inner surface of the carbon fiber honeycomb plate of the honeycomb sandwich structure is metalized to form an aluminum or silicon dioxide surface layer.

The invention has the following advantages:

(1) the invention discloses a high-precision composite material connecting structure of a fixed-surface antenna reflector.

(2) The invention discloses a high-precision surface-fixed antenna reflector composite material connecting structure.

(3) The invention discloses a high-precision surface-fixed antenna reflector composite material connecting structure, which adopts a honeycomb sandwich structure to prepare an offset-fed reflector body, can obviously reduce the structural weight of a reflector, has the characteristics of high specific strength and high specific rigidity, adopts a carbon fiber panel aluminum honeycomb sandwich structure to prepare the offset-fed reflector body on a specific mould, and can effectively reduce the structural weight while ensuring the structural mechanical property.

(4) The invention discloses a high-precision composite material connecting structure of a fixed-surface antenna reflector, which innovatively adopts a semi-rear-burying mode, namely a metal buried part is buried behind a formed offset-fed honeycomb reflector body, and the rear burying depth is smaller than the honeycomb height, so that the profile precision of the inner surface of the reflector can be ensured on the premise of effectively ensuring the connecting strength of the composite material.

(5) The invention discloses a high-precision surface-fixed antenna reflector composite material connecting structure.A mold film-pasting surface is arranged on the inner surface of a body of a bias-feed honeycomb reflector, so that the flatness and smoothness of the formed inner surface can be ensured; secondly, an aluminum or silicon dioxide surface layer is formed on the inner surface of the carbon fiber honeycomb plate in a metallization mode, the total thickness is not more than 6 microns, and the requirement for the accuracy of the profile of the reflecting surface of the antenna can be met.

Drawings

Fig. 1 is a schematic structural diagram of a composite material connection structure of a high-precision fixed-surface antenna reflector in an embodiment of the present invention;

FIG. 2 is a schematic diagram of a semi-buried connection of a composite connection structure of a high-precision fixed-surface antenna reflector according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a positioning connection corner box according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a supporting and connecting corner box according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.

One of the core ideas of the invention is that: aiming at the problems of weak connection strength, poor profile precision and the like of the composite material of the existing solid surface antenna reflector, the invention provides a composite material connection structure of a high-precision solid surface antenna reflector, a honeycomb sandwich structure is adopted to prepare a bias-fed honeycomb reflector body, a plurality of metal embedded parts are embedded behind the bias-fed honeycomb reflector body, and the bias-fed honeycomb reflector body is connected with 3 fixed fulcrum composite material angle boxes (a positioning connection angle box, a supporting connection angle box I and a supporting connection angle box II) in a semi-rear-embedded mode, so that the profile precision of the inner surface of the reflector is ensured while the connection strength of the composite material is ensured; and 3, a metal pin sleeve is assembled on the fixed fulcrum composite material angle box, and the metal pin sleeve reserves the allowance of the combiner, so that the high-precision requirement of the connection interface of the fixed-surface antenna reflector is met.

As shown in fig. 1, in this embodiment, the high-precision fixed-surface antenna reflector composite material connection structure includes: the offset-fed honeycomb reflector comprises an offset-fed honeycomb reflector body 1, a positioning connection corner box 2 and two supporting connection corner boxes; wherein, two support connection angle boxes do respectively: support and connect angle box I3 and support and connect angle box II 4.

As figure 2, bury a plurality of metal behind the offset feed honeycomb reflector body 1 and bury the piece, with the location connect the angle box 2, support and connect angle box I3 and support and connect angle box II 4 and adopt half after burying the mode and connect: one surface of the offset-fed honeycomb reflector body 1 is an arc-shaped reflecting surface 11; a plurality of metal embedded parts are embedded behind the arc-shaped reflecting surface 11 and provide a threaded interface; the positioning connection angle box 2, the support connection angle box I3 and the support connection angle box II 4 are connected with the offset feed honeycomb reflector body 1 in a semi-rear-buried mode through threaded interfaces provided by a plurality of metal buried pieces. The rear buried depth of any metal buried part is less than the height of the arc-shaped reflecting surface 11 at the position of any metal buried part, and the profile precision of the inner surface of the reflector is ensured on the premise of effectively ensuring the connection strength of the composite material.

In this embodiment, the offset-fed honeycomb reflector body 1 can be prepared by adopting a honeycomb sandwich structure, the weight of the reflector structure is obviously reduced, the honeycomb sandwich structure has the characteristics of high specific strength and high specific rigidity, and the offset-fed reflector body is prepared on a specific mold by adopting a carbon fiber panel aluminum honeycomb sandwich structure, so that the structural weight can be effectively reduced while the structural mechanical property is ensured.

Furthermore, the inner surface of the offset feed honeycomb reflector body 1 is a die film surface, so that the smooth and flat inner surface of the formed body can be ensured. Secondly, the inner surface of the carbon fiber honeycomb plate with the honeycomb sandwich structure is metalized to form an aluminum or silicon dioxide surface layer, the total thickness is not more than 6 microns, and the requirement on the surface accuracy of the reflecting surface of the antenna can be met.

In this embodiment, as shown in fig. 3, the positioning of the connection corner box 2 may specifically include: location connecting plate 21, plane of reflection connecting plate I22, installation interface I23 and metal cotter I24. Wherein, the positioning connection plate 21 and the reflecting surface connection plate I22 are integrally formed at a first set angle. The mounting interfaces I23 are arranged on the reflecting surface connecting plate I22; the positioning connection corner box 2 is connected with the offset-fed honeycomb reflector body 1 in a semi-rear-buried mode through a threaded interface provided by a rear-buried metal buried piece at a corresponding position on the installation interface I23 and the arc-shaped reflecting surface 11. A plurality of metal pin sleeves I24 are arranged on the positioning connecting plate 21; the outer surface of the metal pin bush I24 is higher than the forming outer surface of the positioning connecting plate 21: and a metal pin bush I24 is reserved for a combiner, and after the connection angle box 2 to be positioned is fixedly connected with the offset feed honeycomb reflector body 1, the combiner adds the metal pin bush I24 so as to ensure the high-precision requirement of the connection interface of the fixed-surface antenna reflector.

Preferably, the first set angle may be 66 °, and one side of the reflecting surface connecting plate i 22 close to the offset-fed honeycomb reflector body 1 is fitted with the outer surface of the arc-shaped reflecting surface 11.

In this embodiment, as shown in fig. 4, the supporting and connecting corner box may specifically include: the reflecting surface comprises a supporting connecting plate 31, a reflecting surface connecting plate II 32, a reinforcing rib 33, a mounting interface II 34 and a metal pin sleeve II 35. The supporting connecting plate 31 and the reflecting surface connecting plate II 32 are arranged at a second set angle, and the reinforcing ribs 33 are respectively connected with the supporting connecting plate 31 and the reflecting surface connecting plate II 32; the support connecting plate 31, the reflecting surface connecting plate II 32 and the reinforcing ribs 33 are integrally formed. The mounting interfaces II 34 are arranged on the reflecting surface connecting plate II 32; the supporting and connecting angle box is connected with the offset-fed honeycomb reflector body 1 in a semi-rear-buried mode through a threaded interface provided by the mounting interface II 34 and a rear-buried metal buried piece at a corresponding position on the arc-shaped reflecting surface 11. A plurality of metal pin sleeves II 35 are arranged on the supporting connecting plate 31; the outer surface of the metal pin sleeve II 35 is higher than the forming outer surface of the supporting connecting plate 31: and a metal pin bush II 35 is reserved for a combiner, and after the supporting connection angle box is connected and fixed with the offset feed honeycomb reflector body 1, the combiner adds the metal pin bush II 35 so as to ensure the high-precision requirement of the connection interface of the fixed-surface antenna reflector.

Preferably, the second set angle may be 59.5 °; one side of the reflecting surface connecting plate II 32 close to the offset feed honeycomb reflector body 1 is attached to the outer surface of the arc reflecting surface 11.

The supporting and connecting angle box I3 and the supporting and connecting angle box II 4 are symmetrical parts with the same structure.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.

Those skilled in the art will appreciate that the invention may be practiced without these specific details.