Assembly tool for rear fuselage of airplane

Abstract

The invention discloses an aircraft rear fuselage assembly tool, which belongs to the technical field of aircraft assembly, and comprises a bottom plate, a first clamping seat is fixed on the side surface of the top end of the bottom plate, an arc-shaped groove and an arc-shaped convex block are respectively fixed on the side surfaces, close to each other, of the first clamping seat and a second clamping seat, and a pushing assembly is arranged on one side of the second clamping seat. A pressure adjusting assembly is arranged on the pushing assembly, a cleaning assembly is arranged at the top end of the bottom plate, and an adjusting assembly is arranged at the bottom of the cleaning assembly. According to the aircraft metal plate assembling and machining device, multi-point type pushing and pressing are conducted on the second clamping base through the pushing and pressing assembly, the effect that the aircraft metal plate is evenly clamped through the second clamping base and the first clamping base is improved, the clamping and fixing stability of the aircraft metal plate is effectively improved, and then the assembling and machining precision of the aircraft metal plate is improved; therefore, the assembled or machined part of the aircraft metal plate is subjected to purging treatment, the cleanliness of the part of the aircraft metal plate is improved, and the overall assembling and machining effect of the aircraft metal plate is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of aircraft assembly, and in particular relates to an aircraft rear fuselage assembly tool. Background Art

[0002] The aircraft's rear fuselage is composed of an upper wall panel assembly, a side wall panel assembly, and a lower wall panel assembly. Due to the large structural dimensions of the aircraft's rear fuselage, the conventional assembly method is to first fix the lower wall panel assembly, then manually move the side wall panel assembly and place it on the lower wall panel assembly, and assemble the two with the help of measuring tools. Finally, the upper wall panel assembly is mounted on the upper wall panel assembly, and the side wall panel assembly and the upper wall panel assembly are assembled with the help of measuring tools.

[0003] During the assembly process of the aircraft's rear fuselage structure, high assembly accuracy needs to be ensured between parts. When installing the fuselage parts, it is necessary to first use tools to drill holes in the fuselage and then install them. Since the fuselage is made of composite materials and the outer surface of the fuselage panels is curved, ordinary clamps are not convenient to clamp them due to the special shape of the fuselage panels, which brings certain difficulties to the drilling work. In addition, it is difficult to control the distance between the two holes during the drilling process, resulting in inconsistent hole spacing, which affects the installation accuracy of the fuselage panels and the overall assembly efficiency.

[0004] Therefore, there is a need for an aircraft rear fuselage assembly tool to solve the problems raised in the above background technology. Summary of the Invention

[0005] The object of the present invention is to provide an aircraft rear fuselage assembly tool to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an aircraft rear fuselage assembly tool, comprising a base plate, a first clamping seat fixed on the top side surface of the base plate, a second clamping seat provided on one side of the first clamping seat, arc-shaped grooves and arc-shaped protrusions fixed on the sides of the first clamping seat and the second clamping seat close to each other, a pushing assembly provided on one side of the second clamping seat, a pressure adjustment assembly provided on the pushing assembly, a cleaning assembly provided on the top of the base plate, and an adjustment assembly provided on the bottom of the cleaning assembly.

[0007] It should be noted that the pushing assembly includes a connecting plate fixed on the top side of the base plate, a liquid cavity is opened inside the connecting plate, a plurality of first fluid cylinders are fixed on the side of the connecting plate, a plurality of connecting rods are fixed on the side of the second clamping seat away from the first clamping seat, the plurality of connecting rods correspond one-to-one with the plurality of first fluid cylinders and the connecting rods are inserted into the interior of the first fluid cylinder, and the end of the connecting rod is fixed with a first piston plate that is tightly fitted with the inner side wall of the first fluid cylinder.

[0008] It is further worth noting that the pressure adjustment component includes a second fluid cylinder fixed on the side of the connecting plate and connected to the liquid cavity, a nut sleeve is fixed in one end of the second fluid cylinder away from the connecting plate, the nut sleeve is threadedly connected to a threaded rod inserted in the interior of the second fluid cylinder, and the end of the threaded rod is fixed with a second piston plate that fits tightly with the inner side wall of the second fluid cylinder.

[0009] It should be further explained that an end plate is fixed to one end of the threaded rod away from the second piston plate, a handle rod is fixed to the side surface of the end plate, and a rubber sleeve is provided on the surface of the handle rod.

[0010] As a preferred embodiment, the cleaning assembly includes a hair dryer arranged at the top of the base plate, a ventilation cavity is opened inside the hair dryer, a blowing hole connected to the ventilation cavity is opened on the side of the ventilation cavity, and an air inlet pipe connected to the ventilation cavity is fixed on the outer wall of the hair dryer.

[0011] As a preferred embodiment, the adjustment assembly includes an outer sleeve fixed on the top side of the base plate, and the bottom end of the hair dryer is fixed with a lower connecting rod slidably inserted into the inside of the outer sleeve. A locking bolt is threadedly connected on the side of the outer sleeve, and the screw end of the locking bolt is in contact with the side of the lower connecting rod.

[0012] As a preferred embodiment, corresponding through holes are opened on the side surfaces of the first clamping seat and the second clamping seat, a vertical plate is fixed on the top side surface of the base plate, an electric push rod is fixed on the side surface of the vertical plate, a mounting plate is fixed on the output end of the electric push rod, and a drilling gun is fixed on the mounting plate.

[0013] As a preferred embodiment, two symmetrically distributed guide plates are fixed on the top side surface of the bottom plate, and the second clamping seat is located between the two guide plates.

[0014] As a preferred embodiment, a plurality of symmetrically distributed leg rods are fixed to the side surface of the bottom end of the base plate, and a universal wheel is fixed to the bottom end of the leg rods.

[0015] As a preferred embodiment, two symmetrically distributed oblique rods are fixed on one end of the base plate, a push handle rod is fixed to the top ends of the two oblique rods, and a rubber sleeve is fitted on the side of the push handle rod.

[0016] Compared with the prior art, the aircraft rear fuselage assembly tool provided by the present invention has at least the following beneficial effects:

[0017] (1) The second clamping seat is pushed at multiple points by the pushing assembly, thereby improving the uniform clamping of the aircraft metal plate by the second clamping seat and the first clamping seat, effectively improving the clamping stability of the aircraft metal plate, and further improving the assembly and processing accuracy of the aircraft metal plate, so that the second clamping seat moves toward the first clamping seat of clamping seat b, forming a stable clamping of the aircraft metal plate through surface contact, facilitating the assembly of other accessories on the aircraft metal plate or further processing of the aircraft metal plate, effectively improving the stability of the aircraft metal plate's limited fixation, and thus improving the assembly accuracy of the aircraft metal plate.

[0018] (2) The cleaning component is provided to blow air onto the aircraft metal plate, thereby cleaning the assembly or processing part of the aircraft metal plate, improving the cleanliness of the local part of the aircraft metal plate, and improving the overall assembly and processing effect of the aircraft metal plate.

[0019] (3) The height position of the cleaning component is adjusted by the provided adjustment component, so that the cleaning component can be applied to cleaning plates of different heights and sizes, thereby improving the application range of the overall device and improving the overall practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view schematic diagram of the overall structure of the present invention;

[0021] Figure 2 The overall structure of the present invention is shown in FIG. Figure 1 ;

[0022] Figure 3 The overall structure of the present invention is shown in FIG. Figure 2 ;

[0023] Figure 4 It is a schematic diagram of the partial structure of the pushing assembly of the present invention;

[0024] Figure 5 It is a schematic diagram of the partial structure of the pressure regulating assembly of the present invention;

[0025] Figure 6 It is a schematic cross-sectional structural diagram of the push assembly of the present invention;

[0026] Figure 7 for Figure 6 A in the middle is an enlarged structural diagram;

[0027] Figure 8 This is a schematic diagram of the structure of the regulating component of the present invention;

[0028] Figure 9 It is a schematic cross-sectional structural diagram of the cleaning component of the present invention.

[0029] In the figure: 1. Pushing assembly; 101. First fluid cylinder; 102. Connecting rod; 103. First piston plate; 104. Liquid passage chamber; 105. Connecting plate; 2. Pressure adjustment assembly; 201. Second fluid cylinder; 202. Second piston plate; 203. Threaded rod; 204. Nut sleeve; 206. End plate; 207. Handle rod; 208. Rubber sleeve; 3. Cleaning assembly; 301. Hair dryer; 302. Ventilation chamber ; 303, air hole; 4, adjustment assembly; 401, lower connecting rod; 402, outer sleeve; 403, locking bolt; 5, first clamping seat; 6, arc-shaped groove; 7, arc-shaped protrusion; 8, guide plate; 9, vertical plate; 10, electric push rod; 11, inclined rod; 12, push handle rod; 13, mounting plate; 14, drilling gun; 15, bottom plate; 16, through hole; 17, support leg rod; 18, universal wheel; 19, second clamping seat. DETAILED DESCRIPTION

[0030] The present invention will be further described below with reference to the embodiments.

[0031] See also Figure 1-9The present invention provides an aircraft rear fuselage assembly tool, including a bottom plate 15, a first clamping seat 5 is fixed on the top side surface of the bottom plate 15, a second clamping seat 19 is provided on one side of the first clamping seat 5, and an arc-shaped groove 6 and an arc-shaped protrusion 7 are respectively fixed on the sides of the first clamping seat 5 and the second clamping seat 19 close to each other, a pushing component 1 is provided on one side of the second clamping seat 19, a pressure adjustment component 2 is provided on the pushing component 1, a cleaning component 3 is provided on the top of the bottom plate 15, and an adjusting component 4 is provided at the bottom of the cleaning component 3; first, the aircraft metal plate is placed between the first clamping seat 5 and the second clamping seat 19, and the input end of the pressure adjustment component 2 is rotated, and the output end of the pressure adjustment component 2 drives the pushing component 1 to work, and the pushing component 1 performs multi-point pushing on the second clamping seat 19, thereby improving the uniform clamping of the aircraft metal plate by the second clamping seat 19 and the first clamping seat 5, effectively improving the clamping stability of the aircraft metal plate, and thereby improving the assembly and processing accuracy of the aircraft metal plate, so that the second clamping seat 19 moves toward the direction close to the clamping seat b and the first clamping seat 5. When the arc-shaped protrusion 7 is inserted into the arc-shaped groove 6, the aircraft metal plate is pressed tightly between the first clamping seat 5 and the second clamping seat 19, thereby forming a surface-contact method for firmly clamping the aircraft metal plate, which is convenient for assembling other accessories on the aircraft metal plate or further processing it, effectively improving the stability of the aircraft metal plate limit fixation, thereby improving the assembly accuracy of the aircraft metal plate. When the aircraft metal plate is assembled or processed, the input end of the pressure adjustment component 2 is reversed to release the clamping of the aircraft metal plate by the pushing component 1, and the finished product can be easily taken out; the cleaning component 3 is provided to blow out air flow onto the aircraft metal plate, thereby cleaning the assembly or processing part of the aircraft metal plate, improving the cleanliness of the local part of the aircraft metal plate, and improving the overall assembly and processing effect of the aircraft metal plate; the height position of the cleaning component 3 is adjusted by the adjustment component 4, so that the cleaning component 3 can be suitable for cleaning plates of different heights and sizes, thereby improving the scope of application of the overall device and improving the overall practicality.

[0032] Further as Figure 1 、 Figure 5 and Figure 6As shown, it is worth specifically explaining that the pushing assembly 1 includes a connecting plate 105 fixed on the side surface of the top end of the base plate 15, a liquid-passing cavity 104 is opened inside the connecting plate 105, a plurality of first fluid cylinders 101 are fixed on the side of the connecting plate 105, a plurality of connecting rods 102 are fixed on the side of the second clamping seat 19 away from the first clamping seat 5, a plurality of connecting rods 102 correspond one to one with a plurality of first fluid cylinders 101 and the connecting rod 102 is inserted into the inside of the first fluid cylinder 101, the end of the connecting rod 102 is fixed with a first piston plate 103 that is closely matched with the inner side wall of the first fluid cylinder 101, the pressure-adjusting assembly 2 includes a second fluid cylinder 201 fixed on the side of the connecting plate 105 and communicated with the liquid-passing cavity 104, a nut cover 204 is fixed in one end of the second fluid cylinder 201 away from the connecting plate 105, and the nut cover 204 is internally threadedly connected with a threaded screw inserted inside the second fluid cylinder 201 Rod 203, the end of threaded rod 203 is fixed with the second piston plate 202 that is closely matched with the second fluid cylinder 201 inner side wall; All be filled with a certain amount of liquid in the second fluid cylinder 201 inside and the liquid-passing cavity 104, liquid can be water or hydraulic oil etc. During specific work, by rotating threaded rod 203, threaded rod 203 drives second piston plate 202 to move in the second fluid cylinder 201, thereby by the second piston plate 202, the liquid of the second fluid cylinder 201 inside is pressed into connecting plate 105 inside, thereby promote a plurality of first piston plates 103 to move in the first fluid cylinder 101 synchronously by hydraulic pressure, thereby carry out multi-point pushing to the second clamping seat 19 by a plurality of connecting rods 102, improve the second clamping seat 19 and the first clamping seat 5 pairs of aircraft metal plates and evenly clamp, effectively improve the clamping stability of aircraft metal plates, and then improve assembling and the processing accuracy to aircraft metal plates.

[0033] Further as Figure 5 、 Figure 6 and Figure 7 As shown, it is worth mentioning that an end plate 206 is fixed to the end of the threaded rod 203 away from the second piston plate 202, and a handle rod 207 is fixed to the side of the end plate 206. The surface of the handle rod 207 is fitted with a rubber sleeve 208. During specific work, the threaded rod 203 is rotated by holding the handle rod 207. The handle rod 207 has a long force arm, which is convenient and labor-saving to operate.

[0034] Further as Figure 2 、 Figure 3 and Figure 8As shown, it is worth mentioning that the cleaning assembly 3 includes a blower 301 arranged at the top of the base plate 15, a ventilation cavity 302 is defined in the blower 301, and a blowing hole 303 communicating with the ventilation cavity 302 is defined on the side of the ventilation cavity 302. An air intake pipe communicating with the ventilation cavity 302 is fixed to the outer wall of the blower 301; during operation, the air intake pipe is externally connected to an air pump, and an air flow is delivered to the interior of the blower 301 through the air intake pipe, thereby blowing the air flow uniformly and finely to a local area of ​​the aircraft metal plate through the ventilation cavity 302 and the plurality of blowing holes 303, thereby cleaning the assembly or processing local area of ​​the aircraft metal plate, improving the cleanliness of the local area of ​​the aircraft metal plate, and improving the overall assembly and processing effect of the aircraft metal plate.

[0035] Further as Figure 3 、 Figure 8 and Figure 9 As shown, it is worth mentioning that the adjustment component 4 includes an outer sleeve 402 fixed on the top side of the base plate 15, and the bottom end of the hair dryer 301 is fixed with a lower connecting rod 401 slidably inserted into the inner part of the outer sleeve 402, and the side of the outer sleeve 402 is threadedly connected with a locking bolt 403, and the screw end of the locking bolt 403 contacts the side of the lower connecting rod 401; during specific operation, the locking bolt 403 is rotated to release the lock of the lower connecting rod 401 in the outer sleeve 402, so that the extension length of the lower connecting rod 401 in the outer sleeve 402 can be adjusted by pulling, and after the hair dryer 301 is adjusted to a suitable height, the locking bolt 403 is tightened to complete the height position of the hair dryer 301, so that the airflow blown out of the blowing hole 303 can be suitable for cleaning panels of different heights and sizes, thereby improving the scope of application of the overall device and improving the overall practicality.

[0036] Further as Figure 1 、 Figure 2 and Figure 3 As shown, it is worth mentioning that corresponding through holes 16 are provided on the side surfaces of the first clamping seat 5 and the second clamping seat 19, a vertical plate 9 is fixed on the top side surface of the bottom plate 15, an electric push rod 10 is fixed on the side surface of the vertical plate 9, a mounting plate 13 is fixed on the output end of the electric push rod 10, and a drilling gun 14 is fixed on the mounting plate 13; when the aircraft metal plate is completely fixed, the electric push rod 10 and the drilling gun 14 are started to work, and the output end of the electric push rod 10 drives the mounting plate 13 to move, so that the drilling gun 14 moves toward the direction close to the first clamping seat 5, so that the rotating drill bit on the first clamping seat 5 is accurately aligned with the through holes 16 and drilled into the through holes 16 on the first clamping seat 5 and the second clamping seat 19, thereby performing fixed hole punching on the aircraft metal plate, completing the precise punching processing of the aircraft metal plate, with high processing accuracy, relatively simple structure, and low use and maintenance costs.

[0037] Further as Figure 2 As shown, it is worth mentioning that two symmetrically distributed guide plates 8 are fixed on the top side of the base plate 15, and the second clamping seat 19 is located between the two guide plates 8; the second clamping seat 19 is guided and limited by the two guide plates 8, thereby improving the stability of the movement and adjustment of the second clamping seat 19.

[0038] This scheme has the following working process: the aircraft metal plate is placed between the first clamping seat 5 and the second clamping seat 19, and the threaded rod 203 is rotated, and the threaded rod 203 drives the second piston plate 202 to move in the second fluid cylinder 201, thereby the liquid inside the second fluid cylinder 201 is pressed into the inside of the connecting plate 105 by the second piston plate 202, thereby the multiple first piston plates 103 are pushed to move in the first fluid cylinder 101 synchronously by the hydraulic pressure, thereby the second clamping seat 19 is pushed at multiple points by multiple connecting rods 102, so that the second clamping seat 19 and the first clamping seat 5 are evenly clamped to the aircraft metal plate, and when the arc-shaped projection 7 is stuck in the arc groove 6, the aircraft metal plate is pressed between the first clamping seat 5 and the second clamping seat 19, thereby forming a surface-contact type clamping of the aircraft metal plate. The stable clamping facilitates the assembly of other accessories on the aircraft metal plate or further processing thereof; the air flow is delivered to the interior of the blower 301 through the air inlet pipe, so that the air flow is blown out evenly and finely to a part of the aircraft metal plate through the ventilation cavity 302 and multiple blowing holes 303, thereby cleaning the assembly or processing part of the aircraft metal plate; by rotating the locking bolt 403, the lock of the lower connecting rod 401 in the outer sleeve 402 is released, so that the extension length of the lower connecting rod 401 in the outer sleeve 402 can be adjusted by pulling; after the blower 301 is adjusted to a suitable height, the height position of the blower 301 is completed by tightening the locking bolt 403, so that the air flow blown out of the blowing holes 303 can be suitable for cleaning panels of different heights and sizes.

[0039] Further as Figure 1 As shown, it is worth mentioning that a plurality of symmetrically distributed support leg rods 17 are fixed on the side surface of the bottom end of the base plate 15, and a universal wheel 18 is fixed on the bottom end of the support leg rod 17; during specific work, the plurality of universal wheels 18 are provided to facilitate the transfer of the entire device and facilitate use.

[0040] Further as Figure 1 、 Figure 2 and Figure 3 As shown, it is worth mentioning that two symmetrically distributed oblique rods 11 are fixed on one end of the base plate 15, and a push handle rod 12 is fixed to the top of the two oblique rods 11. A rubber sleeve is fitted on the side of the push handle rod 12. During specific work, the push handle rod 12 is provided to facilitate gripping and pushing the entire device to move, which is convenient for operation.

[0041] In summary: the second clamping seat 19 is pushed at multiple points by the pushing component 1, thereby improving the uniform clamping of the aircraft metal plate by the second clamping seat 19 and the first clamping seat 5, effectively improving the clamping stability of the aircraft metal plate, and thus improving the assembly and processing accuracy of the aircraft metal plate, so that the second clamping seat 19 moves toward the direction of the first clamping seat 5 close to the clamping seat b. When the arc-shaped protrusion 7 is inserted into the arc-shaped groove 6, the aircraft metal plate is pressed tightly between the first clamping seat 5 and the second clamping seat 19, thereby forming a surface contact to firmly clamp the aircraft metal plate, making it convenient to assemble other accessories on the aircraft metal plate or further process it, and effectively improving the stability of the aircraft metal plate limit fixation. , thereby improving the assembly accuracy of the aircraft metal plate. After the assembly or processing of the aircraft metal plate is completed, the input end of the pressure adjustment component 2 is reversed to release the clamping of the push component 1 on the aircraft metal plate, and the finished product can be easily taken out; the cleaning component 3 is provided to blow air onto the aircraft metal plate, thereby cleaning the assembly or processing part of the aircraft metal plate, improving the cleanliness of the local part of the aircraft metal plate, and improving the overall assembly and processing effect of the aircraft metal plate; the height position of the cleaning component 3 is adjusted by the adjustment component 4, so that the cleaning component 3 can be used to clean plates of different heights and sizes, thereby increasing the applicability of the entire device and improving the overall practicality.

[0042] The electric push rod 10 can be purchased on the market. The electric push rod 10 is equipped with a power supply, which is a mature technology in this field and has been fully disclosed. Therefore, it will not be repeated in the specification.

Claims

1. An aircraft rear fuselage assembly tool, comprising a bottom plate (15), characterized in that: A first clamping seat (5) is fixed on the top side of the base plate (15), a second clamping seat (19) is provided on one side of the first clamping seat (5), an arc-shaped groove (6) and an arc-shaped protrusion (7) are respectively fixed on the sides of the first clamping seat (5) and the second clamping seat (19) close to each other, a pushing component (1) is provided on one side of the second clamping seat (19), a pressure adjustment component (2) is provided on the pushing component (1), a cleaning component (3) is provided on the top of the base plate (15), and an adjustment component (4) is provided at the bottom of the cleaning component (3).

2. The aircraft rear fuselage assembly tool according to claim 1, characterized in that: The pushing assembly (1) comprises a connecting plate (105) fixed on the top side of the base plate (15), a liquid passage cavity (104) is provided inside the connecting plate (105), a plurality of first fluid cylinders (101) are fixed on the side of the connecting plate (105), a plurality of connecting rods (102) are fixed on the side of the second clamping seat (19) away from the first clamping seat (5), the plurality of connecting rods (102) correspond one-to-one to the plurality of first fluid cylinders (101) and the connecting rods (102) are inserted into the interior of the first fluid cylinder (101), and a first piston plate (103) tightly matched with the inner side wall of the first fluid cylinder (101) is fixed at the end of the connecting rod (102).

3. The aircraft rear fuselage assembly tool according to claim 2, characterized in that: The pressure regulating assembly (2) comprises a second fluid cylinder (201) fixed on a side surface of a connecting plate (105) and connected to a liquid passage cavity (104); a nut sleeve (204) is fixed in one end of the second fluid cylinder (201) away from the connecting plate (105); the nut sleeve (204) is internally threadedly connected to a threaded rod (203) inserted into the interior of the second fluid cylinder (201); and a second piston plate (202) tightly fitted with an inner side wall of the second fluid cylinder (201) is fixed at the end of the threaded rod (203).

4. The aircraft rear fuselage assembly tool according to claim 3, characterized in that: An end plate (206) is fixed to one end of the threaded rod (203) away from the second piston plate (202), a handle rod (207) is fixed to the side of the end plate (206), and a rubber sleeve (208) is fitted on the surface of the handle rod (207).

5. The aircraft rear fuselage assembly tool according to claim 1, characterized in that: The cleaning assembly (3) comprises a blower tube (301) arranged at the top end of the base plate (15); a ventilation cavity (302) is provided inside the blower tube (301); a blowing hole (303) communicating with the ventilation cavity (302) is provided on the side surface of the ventilation cavity (302); and an air inlet pipe communicating with the ventilation cavity (302) is fixed on the outer wall of the blower tube (301).

6. The aircraft rear fuselage assembly tool according to claim 5, characterized in that: The adjustment assembly (4) comprises an outer sleeve (402) fixed on the top side of the base plate (15); a lower connecting rod (401) slidably inserted into the interior of the outer sleeve (402) is fixed to the bottom end of the hair dryer (301); a locking bolt (403) is threadedly connected to the side of the outer sleeve (402); and the screw end of the locking bolt (403) contacts the side of the lower connecting rod (401).

7. The aircraft rear fuselage assembly tool according to claim 1, characterized in that: The side surfaces of the first clamping seat (5) and the second clamping seat (19) are both provided with corresponding through holes (16); a vertical plate (9) is fixed on the top side surface of the bottom plate (15); an electric push rod (10) is fixed on the side surface of the vertical plate (9); a mounting plate (13) is fixed on the output end of the electric push rod (10); and a drilling gun (14) is fixed on the mounting plate (13).

8. The aircraft rear fuselage assembly tool according to claim 7, characterized in that: Two symmetrically distributed guide plates (8) are fixed on the top side of the bottom plate (15), and the second clamping seat (19) is located between the two guide plates (8).

9. The aircraft rear fuselage assembly tool according to claim 1, characterized in that: A plurality of symmetrically distributed supporting leg rods (17) are fixed on the side surface of the bottom end of the base plate (15), and a universal wheel (18) is fixed on the bottom end of the supporting leg rod (17).

10. The aircraft rear fuselage assembly tool according to claim 9, characterized in that: Two symmetrically distributed oblique rods (11) are fixed on one end of the bottom plate (15); a push handle rod (12) is fixed to the top ends of the two oblique rods (11); and a rubber sleeve is fitted on the side of the push handle rod (12).

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