阅读说明：本技术 一种复合材料无人机垂尾的装配型架及其装配方法 (Assembly fixture and assembly method for composite material unmanned aerial vehicle vertical fin ) 是由 缪伟民 路建军 邓延 张铁夫 于 2020-06-28 设计创作，主要内容包括：本发明涉及无人机技术领域,尤其涉及一种复合材料无人机垂尾的装配型架及其装配方法。该装配型架包括支撑框架、第一侧蒙皮支撑部、肋板定位框部和第二侧蒙皮框部,利用第一侧蒙皮支撑部支撑第一侧蒙皮,然后利用肋板定位框部对肋板进行定位和辅助安装,然后拆除肋板定位框部,并在肋板上贴覆第二侧蒙皮,并利用第二侧蒙皮框部压紧第二侧蒙皮,保证第一侧蒙皮和第二侧蒙皮与肋板的胶接过程中能够可靠加压。利用该复合材料无人机垂尾的装配型架对复合材料无人机垂尾进行装配,肋板定位精准,整个过程装配方便、装配精度高。装配方法是利用上述装配型架对复合材料无人机垂尾进行装配。(The invention relates to the technical field of unmanned aerial vehicles, in particular to an assembly fixture for a vertical tail of a composite unmanned aerial vehicle and an assembly method thereof. This assembly type frame includes braced frame, first side skin supporting part, floor location frame portion and second side skin frame portion, utilizes first side skin supporting part to support first side skin, then utilizes floor location frame portion to fix a position and supplementary installation to the rib board, then demolishs floor location frame portion to paste on the rib board and cover second side skin, and utilize second side skin frame portion to compress tightly second side skin, guarantee that first side skin and second side skin can reliably pressurize with the bonding in-process of rib board. The assembly fixture for the vertical fin of the composite material unmanned aerial vehicle is used for assembling the vertical fin of the composite material unmanned aerial vehicle, the rib plate is accurately positioned, and the whole process is convenient to assemble and high in assembly precision. The assembly method is to use the assembly jig to assemble the vertical tails of the composite material unmanned aerial vehicle.)

1. The utility model provides an assembly fixture of combined material unmanned aerial vehicle vertical fin which characterized in that includes:

a support frame;

the first side skin supporting part is arranged on the supporting frame, and the upper side surface of the first side skin supporting part has a radian matched with the molded surface of the first side skin and is used for supporting the first side skin;

the rib plate positioning frame part comprises a first mounting part and a positioning part, the rib plate positioning frame part is detachably mounted on the support frame or the first side skin supporting part through the first mounting part, the positioning part comprises transverse positioning parts and longitudinal positioning parts which are vertically and horizontally staggered, the staggered parts of the transverse positioning parts and the longitudinal positioning parts are detachably connected, the transverse positioning parts and the longitudinal positioning parts correspond to the distribution positions of rib plates, at least one positioning block is arranged on each transverse positioning part and each longitudinal positioning part, the fixed ends of the positioning blocks are fixed on the corresponding transverse positioning parts and the corresponding longitudinal positioning parts, and the positioning ends are located between the positioning parts and the first side skin and are provided with positioning surfaces parallel to the corresponding rib plates;

second side skin frame portion, second side skin frame portion includes second installation department and compresses tightly the portion, second side skin frame portion passes through second installation department demountable installation and is in braced frame or first side skin supporting part, compress tightly the portion including vertically and horizontally staggered's horizontal portion and the vertical portion that compresses tightly, and each horizontal portion with the crisscross department of vertical portion that compresses tightly is removable connection, each horizontal portion with the distribution position of vertical portion and the floor of compressing tightly is corresponding, the downside of compressing tightly the portion have with the profile assorted radian of second side skin for compress tightly second side skin.

2. The assembly fixture of claim 1, wherein: at least part of the fixed end of the positioning block is provided with a positioning hole which penetrates through the positioning end and is vertical to the positioning surface;

the positioning pin is matched with the positioning hole, a rib plate through hole is formed in the position corresponding to the rib plate, and the positioning pin can penetrate through the positioning hole and the rib plate through hole.

3. The assembly fixture of claim 2, wherein: the positioning hole is a long round hole, and the length direction of the long round hole is parallel to the height direction of the rib plate;

the rib plate through hole is a round hole.

4. The assembly fixture of claim 2, wherein: the rib plate through hole is a long circular hole, and the length direction of the long circular hole is parallel to the height direction of the rib plate;

the positioning hole is a round hole.

5. The assembly fixture of claim 1, wherein: the supporting framework is of a steel framework structure.

6. The assembly fixture of claim 1, wherein: the first side skin support portion is a frame structure.

7. The assembly fixture according to claim 1 or 6, wherein: the first side skin supporting part is made of steel materials.

8. The assembly fixture of claim 1, wherein: the rib plate positioning frame part is made of an aluminum alloy material; and/or

The second side skin frame portion is made of an aluminum alloy material.

9. A method for assembling a composite material unmanned aerial vehicle vertical fin, wherein the method is assembled by using the assembly jig of any one of claims 1 and 5-8, and is characterized by comprising the following steps:

s1, placing a first side skin on the first side skin supporting part;

s2, installing the rib plate positioning frame part on the supporting frame or the first side skin supporting part to enable the positioning part and the first side skin to have an interval which is adaptive to the height of the rib plate, placing each rib plate between the positioning part and the first side skin, enabling the transverse rib plate to be tightly attached to the adjacent longitudinal rib plate, enabling the positioning surface to be tightly attached to the side surface of the rib plate, and achieving the positioning of the rib plate;

s3, pasting and connecting corner pieces between the first side skin and the rib plates by a manual wet method, and detaching the rib plate positioning frame part after the corner pieces are cured;

s4, gluing the upper side face, the corner piece and the edge of the first side skin of the ribbed slab, attaching the second side skin to the upper side of the ribbed slab, and attaching the first side skin to the first side skin tightly to form a closed cavity;

and S5, mounting the second side skin frame part, and enabling the transverse pressing part and the longitudinal pressing part to be pressed on the ribbed plate of the second side skin.

10. The utility model provides an assembly method of combined material unmanned aerial vehicle vertical fin which characterized in that: assembly fixture according to any of the claims 2-4, characterized by the following steps:

s1, placing a first side skin on the first side skin supporting part;

s2, installing the rib plate positioning frame part on the supporting frame or the first side skin supporting part to enable the positioning part and the first side skin to have an interval which is adaptive to the height of the rib plate, placing each rib plate between the positioning part and the first side skin, enabling the transverse rib plate to be tightly attached to the adjacent longitudinal rib plate, enabling the positioning surface to be tightly attached to the side surface of the rib plate, and enabling the positioning pin to penetrate through the positioning hole and the rib plate through hole to realize the positioning of the rib plate;

s3, pasting and connecting corner pieces between the first side skin and the rib plates by a manual wet method, and detaching the rib plate positioning frame part after the corner pieces are cured;

s4, gluing the upper side face, the corner piece and the edge of the first side skin of the ribbed slab, attaching the second side skin to the upper side of the ribbed slab, and attaching the first side skin to the first side skin tightly to form a closed cavity;

and S5, mounting the second side skin frame part, and enabling the transverse pressing part and the longitudinal pressing part to be pressed on the ribbed plate of the second side skin.

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to an assembly fixture for a vertical tail of a composite unmanned aerial vehicle and an assembly method thereof.

Background

In order to reduce the structural weight of the unmanned aerial vehicle and improve the flight range, some unmanned aerial vehicles have vertical tails of full composite material structures, and generally comprise honeycomb sandwich skins and foam sandwich rib plates. The ribbed plates are distributed in a criss-cross mode, and the ribbed plates are connected with each other and connected with the skin by adopting manual wet-process pasted connection angle pieces.

In practical engineering application, because the skin and the ribbed slab of the vertical tail of the unmanned aerial vehicle are respectively of a honeycomb sandwich structure and a foam sandwich structure, the rigidity is poor, the positioning of each part is difficult, the profile control difficulty is high, the assembly precision is difficult to guarantee, and parts are easy to damage in the process of combination and assembly, so that the skin and the ribbed slab need to be specially designed and assembled to be positioned and fixed.

Disclosure of Invention

The invention aims to provide an assembly jig of a vertical tail of a composite material unmanned aerial vehicle and an assembly method thereof, and at least one problem is solved.

In order to achieve the above object, in a first aspect, the present invention provides an assembly jig for a vertical fin of a composite material unmanned aerial vehicle, comprising:

a support frame;

the upper side surface of the first side skin supporting part is provided with a radian matched with the molded surface of the first side skin and is used for supporting the first side skin;

the rib plate positioning frame comprises a first mounting part and a positioning part, the rib plate positioning frame part is detachably mounted on a support frame or a first side skin supporting part through the first mounting part, the positioning part comprises a transverse positioning part and a longitudinal positioning part which are vertically and horizontally staggered, the staggered parts of the transverse positioning part and the longitudinal positioning part are detachably connected, the transverse positioning part and the longitudinal positioning part correspond to the distribution positions of the rib plate, at least one positioning block is arranged on each transverse positioning part and each longitudinal positioning part, the fixed end of each positioning block is fixed on the corresponding transverse positioning part and the corresponding longitudinal positioning part, and the positioning end is located between the positioning part and the first side skin and is provided with a positioning surface parallel to the corresponding rib plate;

second side skin frame portion, second side skin frame portion includes second installation department and compresses tightly the portion, second side skin frame portion passes through second installation department demountable installation at braced frame or first side skin supporting part, it includes vertically and horizontally staggered's horizontal portion and the vertical portion that compresses tightly to compress tightly, and each horizontal portion and the vertical portion that compresses tightly's of compressing tightly crossing department be the demountable connection, each horizontal portion and the vertical portion that compresses tightly is corresponding with the distribution position of floor, the downside that compresses tightly the portion has the profile assorted radian with second side skin, be used for compressing tightly second side skin.

Preferably, at least part of the fixed end of the positioning block is provided with a positioning hole which penetrates through the positioning end and is vertical to the positioning surface;

the positioning pin is matched with the positioning hole, a rib plate through hole is formed in the position corresponding to the rib plate, and the positioning pin can penetrate through the positioning hole and the rib plate through hole.

Preferably, the positioning hole is an oblong hole, and the length direction of the oblong hole is parallel to the height direction of the rib plate;

the rib plate through hole is a round hole.

Preferably, the rib plate through hole is an oblong hole, and the length direction of the oblong hole is parallel to the height direction of the rib plate;

the locating hole is a round hole.

Preferably, the support frame is a steel skeleton structure.

Preferably, the first side skin support portion is a frame structure.

Preferably, the first side skin support portion is made of steel material.

Preferably, the rib plate positioning frame part is made of an aluminum alloy material; and/or

The second side skin frame portion is made of an aluminum alloy material.

In a second aspect, the invention further provides an assembly method of a composite material unmanned aerial vehicle vertical fin, the assembly method utilizes any one of the assembly jig frames, and the assembly method comprises the following steps:

s1, placing a first side skin on the first side skin supporting part;

s2, installing the rib plate positioning frame part on the supporting frame or the first side skin supporting part to enable the positioning part and the first side skin to have an interval which is adaptive to the height of the rib plate, placing each rib plate between the positioning part and the first side skin, enabling the transverse rib plate to be tightly attached to the adjacent longitudinal rib plate, enabling the positioning surface to be tightly attached to the side surface of the rib plate, and achieving the positioning of the rib plate;

s3, pasting and connecting corner pieces between the first side skin and the rib plates by a manual wet method, and detaching the rib plate positioning frame part after the corner pieces are cured;

s4, gluing the upper side face, the corner piece and the edge of the first side skin of the ribbed slab, attaching the second side skin to the upper side of the ribbed slab, and attaching the first side skin to the first side skin tightly to form a closed cavity;

and S5, mounting the second side skin frame part, and enabling the transverse pressing part and the longitudinal pressing part to be pressed on the ribbed plate of the second side skin.

In a third aspect, the invention further provides an assembly method of a composite material unmanned aerial vehicle vertical fin, the assembly method utilizes an assembly jig with positioning holes on any one of the positioning blocks, and the assembly method comprises the following steps:

s1, placing a first side skin on the first side skin supporting part;

s2, installing the rib plate positioning frame part on the supporting frame or the first side skin supporting part to enable the positioning part and the first side skin to have an interval which is adaptive to the height of the rib plate, placing each rib plate between the positioning part and the first side skin, enabling the transverse rib plate to be tightly attached to the adjacent longitudinal rib plate, enabling the positioning surface to be tightly attached to the side surface of the rib plate, and enabling the positioning pin to penetrate through the positioning hole and the rib plate through hole to realize the positioning of the rib plate;

s3, pasting and connecting corner pieces between the first side skin and the rib plates by a manual wet method, and detaching the rib plate positioning frame part after the corner pieces are cured;

s4, gluing the upper side face, the corner piece and the edge of the first side skin of the ribbed slab, attaching the second side skin to the upper side of the ribbed slab, and attaching the first side skin to the first side skin tightly to form a closed cavity;

and S5, mounting the second side skin frame part, and enabling the transverse pressing part and the longitudinal pressing part to be pressed on the ribbed plate of the second side skin.

The technical scheme of the invention has the following advantages: according to the assembly jig for the vertical tail of the composite material unmanned aerial vehicle, the first side skin is supported by the first side skin supporting portion, then the rib plate is positioned and installed in an auxiliary mode by the rib plate positioning frame portion, the rib plate positioning frame portion is detached, the second side skin is attached to the rib plate, the second side skin is compressed by the second side skin frame portion, and reliable pressurization can be guaranteed in the bonding process of the first side skin, the second side skin and the rib plate. Utilize the assembly type frame of this combined material unmanned aerial vehicle vertical fin to assemble the combined material unmanned aerial vehicle vertical fin, the floor location is accurate, whole process convenient assembling, assembly precision height, can the whole profile precision of vertical fin.

According to the assembly fixture for the vertical fin of the composite material unmanned aerial vehicle, provided by the invention, the fixed ends of at least part of the positioning blocks are provided with the positioning holes, the positioning holes penetrate through the positioning ends and are vertical to the positioning surface, and when the rib plate is positioned, the positioning pins penetrate through the positioning holes and the rib plate through holes, so that the rib plate is further positioned. The rib plate can be prevented from being damaged due to rigid positioning of the positioning pin.

Drawings

The drawings of the present invention are provided for illustrative purposes only, and the proportion and the number of the components in the drawings do not necessarily correspond to those of an actual product.

FIG. 1 is a schematic illustration of a first side skin support section mounted on a support frame in an embodiment of the invention;

FIG. 2 is a schematic structural view of the assembled frame after the rib plate positioning frame portion is installed thereon according to the embodiment of the present invention;

FIG. 3 is a schematic view of a rib positioning frame portion and a rib in accordance with an embodiment of the present invention;

fig. 4 is a schematic structural view of a rib positioning frame portion according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a positioning block according to an embodiment of the present invention;

FIG. 6 is a schematic view of another positioning block of the present invention;

FIG. 7 is a schematic view of an assembled fixture after installation of ribs in an embodiment of the present invention;

FIG. 8 is a schematic illustration of the assembled fixture configuration after installation of a second side skin in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of the assembled form after installation of the second side skin frame portion in accordance with an embodiment of the present invention;

fig. 10 is a schematic structural view of a second side skin frame portion in the embodiment of the invention.

FIG. 2 shows a second embodiment of the present invention.

In the figure: 1: an unmanned aerial vehicle; 2: hanging a tail; 21: a first side skin; 22: a rib plate; 23: a second side skin; 3: a support frame; 4: a first side skin support section; 5: a rib plate positioning frame part; 51: a first mounting portion; 52: a positioning part; 521: a first transverse positioning portion; 522: a second transverse positioning portion; 523: a third transverse positioning portion; 524: a fourth transverse positioning portion; 525: a first longitudinal positioning section; 526: a second longitudinal positioning portion; 527: a third longitudinal positioning portion; 53: positioning blocks; 531: positioning the surface; 532: positioning holes; 6: a second side skin frame portion; 61: a second mounting portion; 62: a pressing part; 621: a transverse pressing part; 622: a longitudinal pressing part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example one

Referring to fig. 1 to 10, the assembly jig for the vertical fin of the composite material unmanned aerial vehicle provided by the embodiment of the invention comprises a support frame 3, a first side skin support part 4, a rib plate positioning frame part 5 and a second side skin frame part 6, and is used for assembling the vertical fin 2 of the composite material unmanned aerial vehicle 1.

Referring to fig. 1, a first side skin support portion 4 is provided on the support frame 3, and an upper side of the first side skin support portion 4 has a curvature matching a profile of the first side skin 21 for supporting the first side skin 21.

Referring to fig. 2 to 6, the rib plate positioning frame portion 5 includes a first mounting portion 51 and a positioning portion 52, the rib plate positioning frame portion 5 is detachably mounted on the support frame 3 or the first side skin support portion 4 through the first mounting portion 51, the positioning portion 52 includes a transverse positioning portion and a longitudinal positioning portion which are vertically and horizontally staggered, the staggered position of each transverse positioning portion and the longitudinal positioning portion is detachably connected, each transverse positioning portion and each longitudinal positioning portion correspond to the distribution position of the rib plate 22, each transverse positioning portion and each longitudinal positioning portion are at least provided with a positioning block 53, the fixed end of each positioning block 53 is fixed to the corresponding transverse positioning portion and the corresponding longitudinal positioning portion, and the positioning end is located between the positioning portion 52 and the first side skin 21 and has a positioning surface 531 parallel to the corresponding rib plate 22.

Referring to fig. 9 and 10, the second side skin frame portion 6 includes a second mounting portion 61 and a pressing portion 62, after the rib plate 22 is mounted and attached to the second side skin 23, the rib plate positioning frame portion 5 is detached, the second side skin frame portion 6 is detachably mounted on the support frame 3 or the first side skin support portion 4 through the second mounting portion 61, the pressing portion 62 includes a transverse pressing portion and a longitudinal pressing portion which are vertically and horizontally staggered, staggered positions of the transverse pressing portion and the longitudinal pressing portion are detachably connected, the transverse pressing portion and the longitudinal pressing portion correspond to distribution positions of the rib plate 22, and a lower side surface of the pressing portion has a radian matched with a profile of the second side skin 23 and is used for pressing the second side skin 23.

When the pressure welding device is used, the first side skin 21 is supported by the first side skin supporting portion 4, the rib plate 22 is positioned and installed in an auxiliary mode by the rib plate positioning frame portion 5, the rib plate positioning frame portion 5 is dismantled, the second side skin 23 is attached to the rib plate 22, the second side skin 23 is compressed by the second side skin frame portion 6, and reliable pressurization can be guaranteed in the bonding process of the first side skin 21, the second side skin 23 and the rib plate 22. The assembly fixture for the vertical fin of the composite material unmanned aerial vehicle is used for assembling the vertical fin of the composite material unmanned aerial vehicle, the rib plate is accurately positioned, and the whole process is convenient to assemble and high in assembly precision.

In a particular embodiment, as shown in fig. 1-10, the first side skin support section 4 is an overall frame structure, which on the one hand reduces the weight of the assembly matrix and on the other hand facilitates the adjustable placement and adjustment of the first side skin 21. The edge of the first side skin support section 4 has a mounting section that is detachably mountable to the support frame. Mounting holes are provided at the edge of the first side skin support portion 4 for mounting the rib positioning frame portion 5 and the second side skin frame portion 6 in cooperation with the first mounting portion 51 or the second mounting portion 61, and in particular, the first mounting portion 51 or the second mounting portion 61 may be fixed to the first side skin support portion 4 by screw mounting.

In this embodiment, as shown in fig. 7, the rib 22 has a four-horizontal-three-vertical structure. Correspondingly, the rib positioning frame portion 5 includes a first transverse positioning portion 521, a second transverse positioning portion 522, a third transverse positioning portion 523, a fourth transverse positioning portion 524, a first longitudinal positioning portion 525, a second longitudinal positioning portion 526, and a third longitudinal positioning portion 527 in opposite positions, the spacing distance between each transverse positioning portion and each longitudinal positioning portion and the respective shape match with the corresponding rib 22, the installation position of each transverse positioning portion and each longitudinal positioning portion is determined by the positions of the installation holes on the first positioning portion 51 and the first side skin support portion at the end of each transverse positioning portion and each longitudinal positioning portion, and the positions of the installation holes are determined according to the design of the rib 22 in the vertical fin 2, which is not described herein again.

For example, in the present embodiment, the first transverse positioning portion 521, the second transverse positioning portion 522, the first longitudinal positioning portion 525 and the second longitudinal positioning portion 526 are installed first, then the corresponding rib plate 22 is installed in place, then the third transverse positioning portion 523 and the opposite rib plate are installed, and then the fourth transverse positioning portion 524 or the third longitudinal positioning portion 527 are installed (the installation order of the two is not required).

In the process of installing the rib plate 22, after the positioning parts are installed and fixed at the corresponding installation positions, the installation positions of the rib plate can be basically determined, then the rib plate 22 is installed between the square-tip monument positioning part and the first side skin 21, one end of the rib plate 22 is tightly attached to the other rib plate 22 which is vertically adjacent, and one side surface of the rib plate 22 is tightly attached to the positioning surface 531 of the positioning block 53, so that the positioning of the rib plate 22 is realized, and the subsequent gluing and fixing of the rib plate 22 are facilitated.

After the ribbed plate 22 is installed, the ribbed plate positioning frame portion 5 is detached, the second side skin 23 is attached, then the second side skin frame portion 6 is installed on the first side skin supporting portion 4 through the second installation portion 61, the distance between the second side skin frame portion 6 and the first side skin supporting portion 4 is matched with the thickness and the profile radian of the vertical fin 2, the transverse compression portion 621 and the longitudinal compression portion 622 of the compression portion 62 are pressed on the corresponding ribbed plate positions of the second side skin 23, stable and reliable pressure is provided for the second side skin 23 and the ribbed plate 22, and the ribbed plate 22 is guaranteed to be fixedly bonded with the first side skin 21 and the second side skin 23.

The number of the positioning blocks 53 may be adjusted according to the size of the rib plate 22, and is not limited herein.

In some embodiments, to ensure structural strength while reducing structural weight, the first side skin support section 4 is a frame structure. Preferably, the first side skin support portion is made of steel material. Preferably, the rib plate positioning frame part is made of an aluminum alloy material; preferably, the second side skin frame portion is made of an aluminum alloy material.

Example two

Referring to fig. 3 and fig. 6, the second embodiment is basically the same as the first embodiment, and the description of the same parts is omitted, except that: the fixing end of at least part of the positioning block 53 is provided with a positioning hole 532, and the positioning hole 532 penetrates through the positioning end and is perpendicular to the positioning surface 531. Rib plate 22 is provided with rib plate through hole 221, and when rib plate 22 is positioned, positioning pin (not shown) is passed through positioning hole 532 and rib plate through hole 221, thereby further positioning rib plate 22.

Since the rib plate 22 made of the composite material has poor rigidity and is brittle, and errors are inevitable due to processing precision, in order to avoid damage to the rib plate 22 caused by rigid positioning of the positioning pin, in a preferred embodiment, the rib plate through hole 221 is a circular hole, the positioning hole 532 is an oblong hole, and the length direction of the oblong hole is parallel to the height direction of the rib plate 22, so that the rib plate 22 has certain adjustability in the height direction, on one hand, the problem caused by precision errors can be solved, on the other hand, the distance between the rib plate positioning frame portion 5 and the first side skin 21 can be slightly larger than the height of the rib plate 22, and placement of the rib plate 22 is facilitated.

In other embodiments, the positioning hole 531 may be a circular hole, the rib through hole 221 is an elongated circular hole, and the length direction of the elongated circular hole is parallel to the height direction of the rib 22.

The assembly fixture in the embodiment is jointly positioned through the positioning part, the positioning hole and the positioning surface, so that the rib plate structure is prevented from being damaged possibly due to rigid positioning while better positioning is realized.

EXAMPLE III

The embodiment is that the assembly fixture of any one of embodiments is used for assembling the vertical tail of the composite material unmanned aerial vehicle, and the method comprises the following steps:

s1, placing a first side skin on the first side skin supporting part;

s2, installing the rib plate positioning frame part on the supporting frame or the first side skin supporting part to enable the positioning part and the first side skin to have an interval which is adaptive to the height of the rib plate, placing each rib plate between the positioning part and the first side skin, enabling the transverse rib plate to be tightly attached to the adjacent longitudinal rib plate, enabling the positioning surface to be tightly attached to the side surface of the rib plate, and achieving the positioning of the rib plate;

s3, pasting and connecting corner pieces between the first side skin and the rib plates by a manual wet method, and detaching the rib plate positioning frame part after the corner pieces are cured;

s4, gluing the upper side face, the corner piece and the edge of the first side skin of the ribbed slab, attaching the second side skin to the upper side of the ribbed slab, and attaching the first side skin to the first side skin tightly to form a closed cavity;

and S5, mounting the second side skin frame part, and enabling the transverse pressing part and the longitudinal pressing part to be pressed on the ribbed plate of the second side skin.

The assembling method has the advantages that the rib plate is accurately positioned, the whole process is convenient to assemble, and the assembling precision is high.

It should be noted that, the specific installation sequence and positioning of the rib plates 22 can be referred to the description in the first embodiment, and are not described again.

It should be further noted that, the prior art is that the connecting angle pieces are pasted by a manual wet method to fix the rib plates and the skin, which is not described in detail herein.

The assembly method in the embodiment can also adopt the assembly fixture in the second embodiment, and positioning holes are not needed in the assembly process.

Example four

The embodiment is that the assembly fixture of any one of the second embodiment is used for assembling the vertical tails of the composite material unmanned aerial vehicle, and the method comprises the following steps:

s1, placing a first side skin on the first side skin supporting part;

s2, installing the rib plate positioning frame part on the supporting frame or the first side skin supporting part to enable the positioning part and the first side skin to have an interval which is adaptive to the height of the rib plate, placing each rib plate between the positioning part and the first side skin, enabling the transverse rib plate to be tightly attached to the adjacent longitudinal rib plate, enabling the positioning surface to be tightly attached to the side surface of the rib plate, and enabling the positioning pin to penetrate through the positioning hole and the rib plate through hole to realize the positioning of the rib plate;

s3, pasting and connecting corner pieces between the first side skin and the rib plates by a manual wet method, and detaching the rib plate positioning frame part after the corner pieces are cured;

s4, gluing the upper side face, the corner piece and the edge of the first side skin of the ribbed slab, attaching the second side skin to the upper side of the ribbed slab, and attaching the first side skin to the first side skin tightly to form a closed cavity;

and S5, mounting the second side skin frame part, and enabling the transverse pressing part and the longitudinal pressing part to be pressed on the ribbed plate of the second side skin.

The assembling method has the advantages that the rib plate is accurately positioned, the whole process is convenient to assemble, and the assembling precision is high.

It should be noted that, the specific installation sequence and positioning of the rib plates 22 can be referred to the description in the first embodiment, and are not described again.

It should be further noted that, the prior art is that the connecting angle pieces are pasted by a manual wet method to fix the rib plates and the skin, which is not described in detail herein.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: each embodiment does not include only one independent technical solution, and in the case of no conflict between the solutions, the technical features mentioned in the respective embodiments can be combined in any way to form other embodiments which can be understood by those skilled in the art.

Furthermore, modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, without departing from the scope of the present invention, and the essence of the corresponding technical solutions does not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.