CN115285372A - Tooling equipment and assembling method for vertical tail leading edge structure - Google Patents

Abstract

The application relates to tooling equipment and an assembly method of a vertical tail leading edge structure, wherein the tooling equipment comprises a positioning rack, and an upper web plate positioner, a lower web plate positioner, a left cabin rib positioner, a right cabin rib positioner and a middle cabin rib positioner which are detachably arranged on the positioning rack. The frock equipment and the assembling method of the vertical tail leading edge structure are suitable for realizing the assembling of the vertical tail leading edge structure, and can effectively improve the assembling quality and the assembling efficiency of the vertical tail leading edge structure.

Description

Tool equipment and assembling method for vertical tail leading edge structure

Technical Field

The application belongs to the technical field of airplane assembly, and particularly relates to tooling equipment of a vertical tail leading edge structure and an assembly method of the vertical tail leading edge structure.

Background

As shown in fig. 1, the vertical fin leading edge structure 200 is part of an aircraft and has the primary functions of maintaining aerodynamic shape, transferring aerodynamic loads from the leading edge portion, resisting bird strikes, and installing containment system equipment, among other things.

The vertical tail leading edge structure 200 mainly comprises an upper web 201, a lower web 202, a left cabin rib, a right cabin rib 204 and a middle cabin rib which are arranged between the upper web 201 and the lower web 202 at intervals, a front cabin wall plate 206 connected with the left cabin rib, the right cabin rib 204, the middle cabin rib, the upper web 201 and the lower web 202, a rear cabin wall plate 207 connected with the left cabin rib, the right cabin rib 204, the middle cabin rib, the upper web 201 and the lower web 202, and a leading edge end wall 208 which is buckled on the upper web 201 and is connected with the front cabin wall plate 206 and the rear cabin wall plate 207.

The inventor of the present application finds that, in the process of assembling the vertical tail leading edge structure 200, the assembling quality of the vertical tail leading edge structure 200 is poor and the assembling and disassembling efficiency is low due to the lack of special tooling equipment in the assembling process.

Disclosure of Invention

In order to improve assembly efficiency and quality, the application provides tooling equipment of a vertical fin front edge structure and an assembly method of the vertical fin front edge structure.

According to the first aspect of this application, provide a frock equipment of vertical fin leading edge structure, it includes: the positioning rack is used for being arranged on the ground; the lower web positioner is detachably arranged on the positioning rack and can position the lower web of the vertical tail leading edge structure to enable the lower web to be in a horizontal position; the left cabin rib positioner is detachably arranged on the positioning rack and can position the left cabin rib of the vertical tail leading edge structure so as to enable the left cabin rib to be vertically or obliquely kept at the left end part of the lower web plate; the right cabin rib positioner is detachably arranged on the positioning rack and can position the right cabin rib of the vertical tail leading edge structure so as to vertically or obliquely keep the right cabin rib at the right end part of the lower web plate; the middle cabin rib positioner is detachably arranged on the positioning rack and can position the middle cabin rib of the vertical tail leading edge structure so as to vertically or obliquely keep the middle part of the lower web plate; and the upper web positioner is detachably arranged on the positioning rack and can position the upper web of the vertical tail leading edge structure so as to enable the upper web to abut against the inclined tops of the left cabin rib, the right cabin rib and the middle cabin rib.

Further, the positioning frame comprises a bottom frame, the lower web positioner comprises a positioning assembly, the positioning assembly comprises a bracket and a first bolt, the bracket is arranged on the top of the bottom frame and is provided with a positioning plane which is horizontally arranged, the positioning plane is used for supporting the bottom of the lower web, and the first bolt penetrates through the reserved hole of the lower web along the top-down direction and is screwed into the bracket.

Further, the lower web positioner further comprises a pressing assembly, wherein the pressing assembly comprises a support rod arranged on the top of the bottom frame, a lead screw nut fixedly arranged on the side surface of the support rod, a lead screw matched with the lead screw nut and arranged along the vertical direction, and a supporting table which is rotatably arranged on the top of the lead screw and is abutted to the front folding edge or the rear folding edge of the lower web.

Further, the number of the positioning assemblies and the pressing assemblies is multiple, the positioning assemblies are arranged on the bottom frame at intervals along the left-right direction, the pressing assemblies are divided into two groups, one group of the pressing assemblies are arranged on the front end portion of the bottom frame at intervals along the left-right direction, and the other group of the pressing assemblies are arranged on the rear end portion of the bottom frame at intervals along the left-right direction.

Further, the location frame is still including establishing perpendicularly the left side frame of bottom frame, establish perpendicularly the right side frame on the right side of bottom frame, detachably establish the preceding middle part of left side frame with preceding centre sill between the preceding middle part of right side frame establishes the back middle part of left side frame with back centre sill between the back middle part of right side frame, and establish the back top of left side frame with the back timber at the back top of right side frame, wherein one or more of preceding centre sill, back centre sill and back roof timber are used for bearing left cabin rib locator, well cabin rib locator, right cabin rib locator and last web locator.

Furthermore, left side cabin rib locator, well cabin rib locator and right cabin rib locator all include preceding below locating component, preceding below locating component is including establishing on the preceding centre sill and have the preceding below support that is used for butt the first cabin rib locating surface of left cabin rib, right cabin rib or well cabin rib to and pass along the left and right sides direction the left cabin rib, the below preformed hole of right cabin rib or well cabin rib and can twist in the preceding below support in the front below fastening bolt.

Furthermore, the left cabin rib positioner, the middle cabin rib positioner and the right cabin rib positioner respectively comprise a rear upper positioning assembly, the rear upper positioning assembly comprises a rear upper support which is arranged on the rear middle beam or the rear top beam and is provided with a second cabin rib positioning surface used for abutting against the left cabin rib, the right cabin rib or the middle cabin rib, and a rear upper fastening bolt which penetrates through a reserved hole above the left cabin rib, the right cabin rib or the middle cabin rib along the left-right direction and can be screwed into the rear upper support.

Further, the first rib positioning surface and the second rib positioning surface are parallel to each other.

Further, the upper web positioner comprises a bent support which is arranged on the rear top beam and is provided with an inclined positioning surface for supporting the upper web, and a second fastening bolt which penetrates through a second reserved hole of the upper web along the inclined downward direction and is screwed into the bent support.

According to a second aspect of the present application, there is provided a method of assembling a vertical fin leading edge structure, comprising the steps of: placing a positioning frame of the tooling equipment according to the first aspect of the present application on the ground; mounting a lower web plate positioner of the tooling equipment on the positioning rack, and positioning a lower web plate of the vertical tail front edge structure through the lower web plate positioner; installing a left cabin rib positioner, a right cabin rib positioner and a middle cabin rib positioner of the tooling equipment on the positioning rack, and respectively positioning a left cabin rib, a right cabin rib and a middle cabin rib of the vertical tail leading edge structure through the left cabin rib positioner, the right cabin rib positioner and the middle cabin rib positioner; fixedly connecting the left cabin rib, the right cabin rib and the middle cabin rib to the lower web plate; installing an upper web positioner of the tooling equipment on the positioning rack, and positioning an upper web of the vertical tail front edge structure through the upper web positioner; fixedly connecting the upper web plate to the inclined tops of the left cabin rib, the right cabin rib and the middle cabin rib, and then removing the left cabin rib positioner, the right cabin rib positioner, the middle cabin rib positioner and the upper web plate positioner; respectively connecting a front cabin wall plate and a rear cabin wall plate of the vertical tail front edge structure to the front edge and the rear edge of the left cabin rib, the right cabin rib and the middle cabin rib; respectively connecting the flat top edge of the front cabin wall plate and the flat top edge of the rear cabin wall plate to the front folding edge and the rear folding edge of the upper web plate, and respectively connecting the flat bottom edge of the front cabin wall plate and the flat bottom edge of the rear cabin wall plate to the front folding edge and the rear folding edge of the lower web plate; buckling the front edge end wall of the vertical tail front edge structure on the upper web plate, and respectively connecting the front side edge and the rear side edge of the front edge end wall to the front folding edge and the rear folding edge of the upper web plate; and releasing the positioning of the lower web plate positioner on the lower web plate, and taking down the assembled vertical tail leading edge structure.

The tooling equipment for the vertical tail leading edge structure and the assembling method for the vertical tail leading edge structure are suitable for realizing the assembling of the vertical tail leading edge structure, and can effectively improve the assembling quality and the assembling efficiency of the vertical tail leading edge structure. In addition, the tooling equipment has the advantages of simple structure, easiness in assembly, safety and reliability in use and the like, and is convenient to implement, popularize and apply.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of a vertical tail leading edge structure;

FIG. 2 is a view showing a tooling apparatus for a vertical fin leading edge structure according to an embodiment of the present invention;

FIG. 3 illustrates a positioning assembly and a clamping assembly of the tooling apparatus of FIG. 2;

FIG. 4 is a state diagram of the tooling apparatus of FIG. 2 after lower web positioning is completed;

FIG. 5 is a view of the tooling apparatus of FIG. 2 in a state in which the positioning of the ribs is completed;

FIG. 6 is a schematic structural view of a front lower positioning assembly of the tooling apparatus shown in FIG. 2 before use;

FIG. 7 is a schematic structural view of the front lower positioning assembly of the tooling apparatus shown in FIG. 2 after use;

FIG. 8 is a schematic structural view of the upper rear positioning assembly of the tooling apparatus of FIG. 2 prior to use;

FIG. 9 is a schematic diagram of the rear upper positioning assembly of the tooling apparatus of FIG. 2 after use;

FIG. 10 is a state view of the tooling apparatus of FIG. 2 with the positioning of the upper web completed;

FIG. 11 is a schematic structural view of an upper web positioner of the tooling apparatus of FIG. 2 prior to use;

fig. 12 is a state view of the tooling apparatus shown in fig. 2 at the completion of the assembly of the vertical fin leading edge structure.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Fig. 1 is a schematic structural view of a vertical fin leading edge structure, and fig. 2 is tooling equipment of the vertical fin leading edge structure according to an embodiment of the invention. As shown in fig. 1 and fig. 2, the present embodiment provides a tooling device 100 for a vertical tail leading edge structure 200, where the tooling device 100 includes a positioning rack 1, and the positioning rack 1 is disposed on the ground and can carry other parts of the tooling device 100 and the vertical tail leading edge structure 200. The positioning frame 1 includes a bottom frame 11, a left side frame 12 vertically provided on the left side of the bottom frame 11, and a right side frame 13 vertically provided on the right side of the bottom frame 11. Each frame comprises at least one layer of frame beams, each frame beam at least comprises four beams which are connected end to end, and each beam can be a straight beam body or a beam body with an avoiding bending part, in particular a structure similar to a Chinese character ji.

The positioning frame 1 further includes a front center sill 15 detachably provided between the front middle portion of the left side frame 12 and the front middle portion of the right side frame 13, a rear center sill 16 provided between the rear middle portion of the left side frame 12 and the rear middle portion of the right side frame 13, and a rear top sill 17 provided at the rear top portion of the left side frame 12 and the rear top portion of the right side frame 13. The detachable connections between the left side frame 12 and the front middle beam 15, the rear middle beam 16 and the rear top beam 17 are preferably bolt connections or latch connections, and the like, and similarly, the detachable connections between the right side frame 13 and the front middle beam 15, the rear middle beam 16 and the rear top beam 17 are also preferably bolt connections or latch connections, and the like.

The tooling apparatus 100 also includes a lower web positioner 2, see figures 2 and 3 for details. The lower web positioner 2 is detachably provided on the positioning frame 1, and can position the lower web 202 of the vertical tail leading edge structure 200 to be in a horizontal position, as shown in detail in fig. 4. As shown in fig. 3, the lower web retainer 2 includes a positioning assembly 21 and a hold down assembly 22. The positioning assembly 21 is primarily used to position the lower web 202. The compression assembly 22 may assist the positioning assembly 21 in compressing and positioning the lower web 202 when the lower web 202 is an integrally formed component or an assembled component. When the lower web 202 is a split component and is not assembled, the pressing assembly 22 may assist an operator in completing the composition of the lower web 202, for example, when the lower web 202 mainly comprises a web body and a flanging member, the pressing assembly 22 may press the flanging member against the web body, so that the operator may connect the two by welding or riveting, etc., and form the complete lower web 202.

It should be noted that, if the lower web 202 may deform under the action of gravity and affect the assembly accuracy, the number of the positioning assemblies 21 and the pressing assemblies 22 may be selected to be plural, the plural positioning assemblies 21 are arranged on the bottom frame 11 at intervals along the left-right direction, the plural pressing assemblies 22 are divided into two groups, one group of the pressing assemblies 22 is arranged on the front end portion of the bottom frame 11 at intervals along the left-right direction to position or assist the assembly of the front folded edge of the lower web 202, and the other group of the pressing assemblies 22 is arranged on the rear end portion of the bottom frame 11 at intervals along the left-right direction to position or assist the assembly of the rear folded edge of the lower web 202.

The positioning assembly 21 includes a bracket 211, the bracket 211 is provided on the top of the bottom frame 11 and has a positioning plane 211a horizontally arranged, and the positioning plane 211a is used for holding the bottom of the lower web 202 to ensure that the lower web 202 is in a horizontal position. The positioning assembly 21 further includes a first bolt 212, and the positioning plane 211a of the bracket 211 is provided with an internal threaded hole for matching with the first bolt 212, and the first bolt 212 passes through the preformed hole of the lower web 202 in the top-down direction and is screwed into the internal threaded hole of the bracket 211, so that the lower web 202 can be stably fixed on the bracket 211.

The pressing assembly 22 includes a support rod 221 provided on the top of the bottom frame 11, a screw nut 222 fixedly provided on a side surface of the support rod 221, a screw 223 engaged with the screw nut 222 and arranged in the up-down direction, and a saddle 224 rotatably provided on the top of the screw 223 and abutting against the bottom of the lower web 202. The height of the saddle 224 can be adjusted by rotating the lead screw nut 222, so that the saddle 224 of the hold-down assembly 22 can be ensured to abut against the front folded edge or the rear folded edge of the lower web 202, and the saddle can assist the positioning assembly 21 in positioning the lower web 202, reduce the risk of downward bending of the lower web 202, or assist an operator in completing the assembly of the lower web 202.

As shown in fig. 1 and 5, the tooling device 100 further includes a left hatch rib locator 3a, a right hatch rib locator 3b, and a middle hatch rib locator 3c. Wherein the left hatch rib retainer 3a is detachably provided on the positioning frame 1, in particular on one or more of the front centre sill 15, the rear centre sill 16 and the rear roof sill 17. The left rib retainer 3a can position the left rib 203 of the vertical fin leading edge structure 200 to be vertically or obliquely held at the left end portion of the lower web 202. The right rib retainer 3b is detachably provided on the positioning frame 1, particularly on one or more of the front center sill 15, the rear center sill 16, and the rear roof sill 17. The right rib retainer 3b can position the right rib 204 of the vertical fin leading edge structure 200 to be held vertically or obliquely at the right end of the lower web 202. The center rib retainer 3c is detachably provided on the positioning frame 1, particularly on one or more of the front center sill 15, the rear center sill 16, and the rear roof sill 17. The mid-rib locator 3c can locate the mid-rib 205 of the trailing leading edge structure 200 so that it is held vertically or obliquely in the middle of the lower web 202.

As shown in fig. 1 and 5, each of the left rib positioner 3a, the middle rib positioner 3c, and the right rib positioner 3b includes a front lower positioning member 31 and a rear upper positioning member 32. As shown in fig. 5, 6 and 7, the front lower positioning module 31 includes a front lower bracket 311 and a front lower fastening bolt 312. Wherein the front lower bracket 311 is provided on the front center sill 15 and has a first deck rib positioning surface 311a for abutting against the left deck rib 203, the right deck rib 204, or the center deck rib 205. The front lower fastening bolt 312 passes through a lower prepared hole of the left and right cabin ribs 203, 204 or 205 in the left-right direction, and can be screwed into the front lower mount 311. Each of the front lower positioning members 31 can securely fix the corresponding cabin rib to the front center sill 15, and has advantages of a simple structure and low cost.

As shown in fig. 5, 8 and 9, the upper rear positioning assembly 32 includes an upper rear bracket 321 and an upper rear fastening bolt 322. The rear upper mount 321 is provided on the rear center sill 16 or the rear roof sill 17, and has a second rib positioning surface 321a for abutting the left, right, or middle rib 203, 204, 205. The rear upper fastening bolt 322 passes through a reserved hole above the left and right cabin ribs 203, 204, or 205 in the left-right direction, and can be screwed into the rear upper mount 321. Each upper rear positioning assembly 32 also can securely fix the corresponding cabin rib to the rear center sill 16 or the rear top sill 17, and has the advantages of simple structure and low cost.

Preferably, each first rib-positioning surface 311a and each second rib-positioning surface 321a are parallel to each other. By the mode, the first cabin rib positioning surface 311a and the second cabin rib positioning surface 321a in the left cabin rib positioner 3a, the middle cabin rib positioner 3c and the right cabin rib positioner 3b can be used for positioning opposite side surfaces of corresponding cabin ribs simultaneously, and the positioning accuracy of the cabin ribs is improved.

As shown in fig. 1, 10 and 11, the tooling device 100 further includes an upper web positioner 6, and the upper web positioner 6 is detachably provided on the positioning frame 1, particularly on one or more of the front center sill 15, the rear center sill 16 and the rear top sill 17. The upper web locator 6 can locate the upper web 201 of the vertical-tailed leading edge structure 200 so that it remains on the sloped top of the left 203, right 204 and middle 205 cabin ribs. In the preferred embodiment shown in fig. 10 and 11, the upper web retainer 6 includes a bent seat 61 provided on the rear header 17 and having an inclined retaining surface 61a for supporting the upper web 201, and a second fastening bolt 62 passing through a second prepared hole of the upper web 201 in an obliquely downward direction and screwed into the bent seat 61. The upper web positioner 6 can firmly fix the upper web 201 on the rear top beam 17, and has the advantages of simple structure and low cost.

The method of assembling the vertical fin leading edge structure 200 is described as follows. In the first step, the positioning frame 1 of the tooling device 100 is placed on the ground. In a second step, the lower web positioner 2 of the tooling device 100 is loaded onto the positioning frame 1 and the lower web 202 of the vertical fin leading edge structure 200 is positioned by it so that it is in a horizontal position, as shown in detail in fig. 4. Thirdly, the left cabin rib positioner 3a, the right cabin rib positioner 3b and the middle cabin rib positioner 3c of the tooling device 100 are arranged on the positioning frame 1, and the left cabin rib 203, the right cabin rib 204 and the middle cabin rib 205 of the vertical tail leading edge structure 200 are respectively positioned by the left cabin rib positioner 3a, the right cabin rib positioner 3b and the middle cabin rib positioner 3c, so that the left cabin rib 203, the right cabin rib 204 and the middle cabin rib 205 are vertically or obliquely kept on corresponding parts of the lower web plate 202, which is shown in detail in fig. 5. Fourth, the left and right cabin ribs 203, 204 and 205 are fixedly attached to the lower web 202. Fifthly, the upper web positioner 6 of the tooling device 100 is mounted on the positioning frame 1, and the upper web 201 of the vertical fin leading edge structure 200 is positioned by the upper web positioner 6 so as to abut against the inclined tops of the left cabin rib 203, the right cabin rib 204 and the middle cabin rib 205, as shown in detail in fig. 10. Sixthly, the upper web 201 is fixedly connected to the inclined tops of the left, right and middle deck ribs 203, 204, 205, and then the left, right, middle deck rib locators 3a, 3b, 3c, and upper web locators 6, preferably the front center sill 15, the rear center sill 16, and the rear roof sill 17, are removed. Seventhly, the flat top edge of the front bulkhead plate 206 and the flat top edge of the rear bulkhead plate 207 are respectively connected to the front folding edge and the rear folding edge of the upper web plate 201, and then the flat bottom edge of the front bulkhead plate 206 and the flat bottom edge of the rear bulkhead plate 207 are respectively connected to the front folding edge and the rear folding edge of the lower web plate 202. Ninthly, buckling a front edge end wall 208 of the vertical tail front edge structure 200 on the upper web 201, and then respectively connecting a front side edge and a rear side edge of the front edge end wall 208 to a front folding edge and a rear folding edge of the upper web 201, as shown in detail in fig. 12; tenth, the assembled trailing leading edge structure 200 is removed by releasing the lower web 202 from the lower web locator 2.

In summary, the tooling equipment 100 and the assembly method of the vertical tail leading edge structure 200 according to the embodiment of the invention are suitable for realizing the assembly of the vertical tail leading edge structure 200, and can effectively improve the assembly quality and the assembly efficiency of the vertical tail leading edge structure 200. In addition, the tooling equipment 100 has the advantages of simple structure, easy assembly, safe and reliable use and the like, and is convenient to implement, popularize and apply.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may include, for example, fixed connections, removable connections, or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in interactive relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being covered by the appended claims and their equivalents. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a frock equipment of vertical fin leading edge structure which characterized in that: the method comprises the following steps:

a positioning frame (1) for arrangement on the ground;

the lower web positioner (2) is detachably arranged on the positioning rack (1) and can position the lower web (202) of the vertical tail front edge structure (200) to enable the lower web to be in a horizontal position;

a left cabin rib positioner (3 a) which is detachably arranged on the positioning frame (1) and can position a left cabin rib (203) of the vertical tail leading edge structure (200) so as to vertically or obliquely keep the left cabin rib at the left end part of the lower web plate (202);

the right cabin rib positioner (3 b) is detachably arranged on the positioning frame (1) and can position the right cabin rib (204) of the vertical tail leading edge structure (200) so as to vertically or obliquely keep the right cabin rib at the right end part of the lower web plate (202);

the middle cabin rib positioner (3 c) is detachably arranged on the positioning rack (1) and can position the middle cabin rib (205) of the vertical tail leading edge structure (200) to be vertically or obliquely kept in the middle of the lower web plate (202);

and the upper web positioner (6) is detachably arranged on the positioning rack (1) and can position the upper web (201) of the vertical tail leading edge structure (200) so as to enable the upper web to abut against the inclined tops of the left cabin rib (203), the right cabin rib (204) and the middle cabin rib (205).

2. The tooling device according to claim 1, wherein the positioning frame (1) comprises a bottom frame (11), and the lower web positioner (2) comprises a positioning assembly (21), the positioning assembly (21) comprises a bracket (211) and a first bolt (212), the bracket (211) is arranged on the top of the bottom frame (11) and is provided with a horizontally arranged positioning plane (211 a), the positioning plane (211 a) is used for bearing the bottom of the lower web (202), and the first bolt (212) passes through a reserved hole of the lower web (202) in the top-down direction and is screwed into the bracket (211).

3. The tooling device of claim 2, wherein the lower web positioner (2) further comprises a pressing assembly (22) which comprises a support rod (221) arranged on the top of the bottom frame (11), a lead screw nut (222) fixedly arranged on the side surface of the support rod (221), a lead screw (223) matched with the lead screw nut (222) and arranged along the up-and-down direction, and a supporting platform (224) rotatably arranged on the top of the lead screw (223) and abutted against the front folded edge or the rear folded edge of the lower web (202).

4. The tooling device according to claim 3, wherein the number of the positioning assemblies (21) and the pressing assemblies (22) is plural, the plural positioning assemblies (21) are arranged on the bottom frame (11) at intervals along the left-right direction, the plural pressing assemblies (22) are divided into two groups, one group of the pressing assemblies (22) is arranged on the front end part of the bottom frame (11) at intervals along the left-right direction, and the other group of the pressing assemblies (22) is arranged on the rear end part of the bottom frame (11) at intervals along the left-right direction.

5. Tooling device according to any of claims 2 to 4, characterized in that the positioning frame (1) further comprises a left side frame (12) vertically arranged on the left side of the bottom frame (11), a right side frame (13) vertically arranged on the right side of the bottom frame (11), a front centre sill (15) detachably arranged between the front middle part of the left side frame (12) and the front middle part of the right side frame (13), a rear centre sill (16) arranged between the rear middle part of the left side frame (12) and the rear middle part of the right side frame (13), and a rear top beam (17) arranged between the rear top part of the left side frame (12) and the rear top part of the right side frame (13), wherein one or more of the front centre sill (15), the rear centre sill (16) and the rear top beam (17) are used for carrying the left deck rib positioner (3 a), the centre deck rib positioner (3 c), the right deck rib positioner (3 b) and the upper web positioner (6).

6. Tooling device according to claim 5, characterized in that the left, middle and right rib positioners (3 a, 3c, 3 b) each comprise a lower front positioning assembly (31), the lower front positioning assembly (31) comprising a lower front abutment (311) provided on the front centre sill (15) and having a first rib positioning face (311 a) for abutting the left (203), right (204) or middle (205) rib, and a lower front fastening bolt (312) passing in the left-right direction through a lower prepared hole of the left (203), right (204) or middle (205) rib and being screwable into the lower front abutment (311).

7. The tooling equipment according to claim 6, wherein the left, middle and right rib positioners (3 a, 3c, 3 b) each comprise an upper rear positioning assembly (32), the upper rear positioning assembly (32) comprising an upper rear seat (321) provided on the rear center sill (16) or the rear header (17) and having a second rib positioning surface (321 a) for abutting against the left, right or middle rib (203, 204) or (205), and an upper rear fastening bolt (322) passing through a prepared hole above the left, right or middle rib (203, 204) or (205) in the left-right direction and being screwed into the upper rear seat (321).

8. The tooling device of claim 7, wherein the first rib positioning surface (311 a) and the second rib positioning surface (321 a) are parallel to each other.

9. Tooling device according to claim 5, characterized in that said upper web locator (6) comprises a curved seat (61) provided on said rear header (17) and having an inclined locating surface (61 a) for bearing said upper web (201), and a second fastening bolt (62) passing through a second prepared hole of said upper web (201) in an inclined downward direction and screwed into said curved seat (61).

10. A method for assembling a vertical tail front edge structure is characterized in that,

placing a positioning frame (1) of a tooling device according to any one of claims 1 to 9 on the ground;

the lower web plate positioner (2) of the tooling equipment is arranged on the positioning rack (1), and a lower web plate (202) of the vertical tail front edge structure (200) is positioned through the lower web plate positioner;

installing a left cabin rib positioner (3 a), a right cabin rib positioner (3 b) and a middle cabin rib positioner (3 c) of the tooling equipment on the positioning rack (1), and respectively positioning a left cabin rib (203), a right cabin rib (204) and a middle cabin rib (205) of the vertical tail leading edge structure (200) through the left cabin rib positioner (3 a), the right cabin rib positioner (3 b) and the middle cabin rib positioner (3 c);

fixedly connecting the left cabin rib (203), the right cabin rib (204) and the middle cabin rib (205) on the lower web plate (202);

an upper web positioner (6) of the tooling equipment is arranged on the positioning rack (1), and an upper web (201) of the vertical tail front edge structure (200) is positioned through the upper web positioner (6);

fixedly connecting the upper web (201) to the inclined tops of the left cabin rib (203), the right cabin rib (204) and the middle cabin rib (205), and then removing the left cabin rib positioner (3 a), the right cabin rib positioner (3 b), the middle cabin rib positioner (3 c) and the upper web positioner (6);

connecting a front bulkhead plate (206) and a rear bulkhead plate (207) of the vertical tail leading edge structure (200) to the front edge and the rear edge of the left cabin rib (203), the right cabin rib (204) and the middle cabin rib (205), respectively;

respectively connecting the flat top edge of the front bulkhead plate (206) and the flat top edge of the rear bulkhead plate (207) to the front folding edge and the rear folding edge of the upper web plate (201), and respectively connecting the flat bottom edge of the front bulkhead plate (206) and the flat bottom edge of the rear bulkhead plate (207) to the front folding edge and the rear folding edge of the lower web plate (202);

buckling a front edge end wall (208) of the vertical tail front edge structure (200) on the upper web plate (201), and respectively connecting a front side edge and a rear side edge of the front edge end wall (208) to a front folding edge and a rear folding edge of the upper web plate (201);

the lower web positioner (2) releases the positioning of the lower web (202), and the assembled vertical tail front edge structure (200) is taken down.

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