CN-121973945-A - Flexible machine body posture adjustment system and posture adjustment method

CN121973945ACN 121973945 ACN121973945 ACN 121973945ACN-121973945-A

Abstract

The invention discloses a flexible fuselage attitude adjustment system and an attitude adjustment method, comprising a front fuselage bracket assembly, a front-to-left bracket assembly, a front-to-middle bracket assembly, a front landing gear process shaft holding device, a front-to-right bracket assembly and a front fuselage transfer module, wherein the front fuselage bracket assembly comprises a front left bracket assembly, a front-to-middle bracket assembly, a front landing gear process shaft holding device and a front fuselage transfer module; the middle machine body bracket assembly comprises a middle left supporting block assembly, a middle right supporting block assembly and a middle machine body transferring module, and the rear machine body bracket assembly comprises a rear front left supporting block assembly, a rear front middle supporting block assembly, a rear front right supporting block assembly, a rear left supporting block assembly, a rear middle supporting block assembly, a rear right supporting block assembly, a left main process large shaft holding assembly, a right main process large shaft holding assembly and a rear machine body transferring module. The quick positioning of the airframe products is realized by adopting a front landing gear process large-axis positioning V-shaped block on a front airframe bracket assembly and a main landing gear process large-axis positioning V-shaped block on a rear airframe bracket assembly, the airframe posture is quickly adjusted by the supporting blocks on each square box lifter, and the airframe is used for establishing a coordinate system to carry out the involution of the wings and the airframe.

Inventors

ZHOU QINGFA
Lei huan
ZHAO JIANWEI
DENG ZHENBO
TANG PAN
MENG HUALIN
WANG ANXIN
SUN YONGLIANG
WANG MING
Jie Lurui

Assignees

成都飞机工业（集团）有限责任公司

Dates

Publication Date: 20260505
Application Date: 20260122

Claims (10)

1. The utility model provides a flexible fuselage appearance system of transferring which characterized in that includes: The front fuselage bracket assembly comprises a front left support block assembly, a front middle support block assembly, a front landing gear process shaft holding device, a front right support block assembly and a front fuselage transfer module; the front left support block assembly and the front right support block assembly are symmetrically arranged on the front machine body transferring module, and the front left support block assembly and the front right support block assembly provide support for the posture adjustment of the front machine body through support blocks capable of being adjusted in a lifting mode; The middle machine body bracket assembly comprises a middle left supporting block assembly, a middle right supporting block assembly and a middle machine body transferring module, wherein the middle left supporting block assembly, the middle supporting block assembly and the middle right supporting block assembly are arranged on the middle machine body transferring module, the middle left supporting block assembly, the middle supporting block assembly and the middle right supporting block assembly are symmetrically arranged on the middle machine body transferring module, and the middle left supporting block assembly and the middle right supporting block assembly provide support for the posture adjustment of the middle machine body through supporting blocks capable of being adjusted in a lifting manner; The rear fuselage bracket assembly comprises a rear front left supporting block assembly, a rear front middle supporting block assembly, a rear front right supporting block assembly, a rear left supporting block assembly, a rear middle supporting block assembly, a rear right supporting block assembly, a left main lifting process large shaft holding assembly, a right main lifting process large shaft holding assembly and a rear fuselage transfer module, wherein the rear front left supporting block assembly, the rear front right supporting block assembly and the rear front right supporting block assembly are symmetrically arranged at the rear end of the rear fuselage transfer module, the rear left supporting block assembly, the rear middle supporting block assembly and the rear right supporting block assembly are symmetrically arranged at the front end of the rear fuselage transfer module, the left main lifting process large shaft holding assembly and the right main lifting process large shaft holding assembly are symmetrically arranged at the rear end of the rear fuselage transfer module, the rear front left supporting block assembly, the rear front right supporting block assembly, the rear left supporting block assembly and the rear right supporting block assembly provide support for the posture adjustment of the rear fuselage transfer module through lifting adjustment, the rear front middle supporting block assembly and the rear middle supporting block assembly can provide support for the main lifting process large shaft holding assembly and the landing gear through lifting adjustment supporting the lifting adjustment support shaft.
2. The flexible fuselage attitude adjustment system according to claim 1, wherein the front left support block assembly comprises a front left support block, a square box lifter and a front left mounting framework, wherein the front left support block is mounted on a screw rod of the square box lifter, and the square box lifter performs lifting adjustment on the front left support block through lifting driving of the screw rod; the front right supporting block component adopts the same structure as the front left supporting block component.
3. The flexible fuselage attitude adjustment system according to claim 1, wherein the nose landing gear technological shaft enclasping device comprises a front lifting enclasping mechanism, a double-guide-rod screw mechanism and a stay bar assembly, wherein the front lifting enclasping mechanism is connected with a mounting seat of the double-guide-rod screw mechanism, and the front lifting enclasping mechanism is adjusted in a lifting manner through the double-guide-rod screw mechanism; The front lifting enclasping mechanism comprises a front lifting V-shaped block, a front lifting pressing block, a connecting plate, a pin shaft, an articulated bolt and a nut, wherein the front lifting pressing block is connected with the front lifting V-shaped block through the pin shaft and the connecting plate, the pin shaft is respectively in clearance fit with the articulated bolt and the connecting plate, and the front lifting pressing block can rotate around the front lifting V-shaped block and tightly presses a front landing gear process shaft through the articulated bolt and the nut.
4. The flexible fuselage attitude adjustment system according to claim 2, wherein the middle left bracket assembly and the middle right bracket assembly are of the same construction as the front left bracket assembly.
5. The flexible fuselage attitude adjustment system according to claim 2, wherein the rear front left bracket assembly, the rear front right bracket assembly, the rear left bracket assembly, the rear right bracket assembly are of the same construction as the front left bracket assembly.
6. A flexible fuselage attitude adjustment system according to claim 3, wherein the left main lift technological large shaft hugging assembly and the right main lift technological large shaft hugging assembly are of the same construction as the nose landing gear technological shaft hugging device.
7. The flexible fuselage attitude adjustment system according to claim 6, wherein the left main lift technological large shaft clasping assembly, the right main lift technological large shaft clasping assembly and the rear fuselage transfer module are connected in a sliding fit manner, so that the left main lift technological large shaft clasping assembly and the right main lift technological large shaft clasping assembly can move along the transverse direction of the fuselage.
8. The flexible fuselage attitude adjustment system according to claim 1, wherein the front fuselage transfer module, the middle fuselage transfer module, and the rear fuselage transfer module are provided with a trolley positioning assembly, a trolley tensioning assembly, and an embedded part for fixing the same on the ground.
9. The flexible fuselage attitude adjustment system according to claim 1, wherein the front fuselage transfer module, the middle fuselage transfer module, and the rear fuselage transfer module are provided with horizontal adjustment casters.
10. The flexible machine body posture adjustment method is characterized by adopting the flexible machine body posture adjustment system as claimed in any one of claims 1-9 to perform posture adjustment and involution operation on the machine body, and comprises the following steps: s1, assembling, positioning and installing a flexible machine body attitude adjusting system; Positioning and installing a front fuselage transfer module, a middle fuselage transfer module and a rear fuselage transfer module at a design position, and assembling a front fuselage bracket assembly, a middle fuselage bracket assembly and a rear fuselage bracket assembly; S2, posture adjustment and involution operation of the airframe product, wherein the posture adjustment and involution operation comprises the following steps: S21, adjusting the support blocks of the front airframe bracket assembly, the middle airframe bracket assembly and the rear airframe bracket assembly to an exit working state, and opening the front landing gear process shaft enclasping device, the left main process large shaft enclasping assembly and the pressing blocks of the right main process large shaft enclasping assembly; S22, hoisting the airframe product to a flexible airframe attitude adjusting system, and positioning and assembling the airframe product by taking a front landing gear process shaft enclasping device, a left main process large shaft enclasping assembly and a V-shaped block of a right main process large shaft enclasping assembly as guides; s23, adjusting the posture of the airframe products by adjusting the support blocks of the front airframe support frame assembly, the middle airframe support frame assembly and the rear airframe support frame assembly; S24, resetting pressing blocks of the front landing gear process shaft enclasping device, the left main process large shaft enclasping assembly and the right main process large shaft enclasping assembly and enclasping a large shaft after the body gesture is regulated, and resetting each supporting block of the front middle supporting block assembly, the rear front middle supporting block assembly and the rear middle supporting block assembly to assist in supporting a body product; S25, after the wing body is closed, each frame edge compression assembly is out of working state, opening the front landing gear process shaft clamping device, the pressing blocks of the left main process large shaft clamping assembly and the right main process large shaft clamping assembly, and reducing the V-shaped blocks to the minimum; S26, taking the airframe products off the shelf.

Description

Flexible machine body posture adjustment system and posture adjustment method Technical Field The invention belongs to the technical field of machine body assembly, and particularly relates to a flexible machine body posture adjustment system and a posture adjustment method. Background When the wing bodies of the aircraft are aligned, the airframe needs to be adjusted to a specific position, so that the appearance tolerance of the aircraft after alignment can be ensured. At present, the body posture is adjusted by adopting a customized fixed type integral skeleton structure tool and adopting POGO columns, the traditional structure type integral skeleton structure has the advantages of high manufacturing cost, high cost and long manufacturing period, occupies large installation space and has specific requirements on installation factory building areas, and in addition, for non-batch aircraft products in a development stage, the customized fixed type structure is adopted, so that the universality is poor, the application range is small, the development cost is high, and the requirements of rapid iteration improvement and low-cost development of an aircraft cannot be met. Disclosure of Invention The invention aims to provide a flexible fuselage attitude adjustment system and an attitude adjustment method, which are used for solving the technical problems during the aeroplane wing body involution operation. The invention is realized by the following technical scheme: The flexible fuselage appearance system of transferring includes: The front fuselage bracket assembly comprises a front left support block assembly, a front middle support block assembly, a front landing gear process shaft holding device, a front right support block assembly and a front fuselage transfer module; the front left support block assembly and the front right support block assembly are symmetrically arranged on the front machine body transferring module, and the front left support block assembly and the front right support block assembly provide support for the posture adjustment of the front machine body through support blocks capable of being adjusted in a lifting mode; The middle machine body bracket assembly comprises a middle left supporting block assembly, a middle right supporting block assembly and a middle machine body transferring module, wherein the middle left supporting block assembly, the middle supporting block assembly and the middle right supporting block assembly are arranged on the middle machine body transferring module, the middle left supporting block assembly, the middle supporting block assembly and the middle right supporting block assembly are symmetrically arranged on the middle machine body transferring module, and the middle left supporting block assembly and the middle right supporting block assembly provide support for the posture adjustment of the middle machine body through supporting blocks capable of being adjusted in a lifting manner; The rear fuselage bracket assembly comprises a rear front left supporting block assembly, a rear front middle supporting block assembly, a rear front right supporting block assembly, a rear left supporting block assembly, a rear middle supporting block assembly, a rear right supporting block assembly, a left main lifting process large shaft holding assembly, a right main lifting process large shaft holding assembly and a rear fuselage transfer module, wherein the rear front left supporting block assembly, the rear front right supporting block assembly and the rear front right supporting block assembly are symmetrically arranged at the rear end of the rear fuselage transfer module, the rear left supporting block assembly, the rear middle supporting block assembly and the rear right supporting block assembly are symmetrically arranged at the front end of the rear fuselage transfer module, the left main lifting process large shaft holding assembly and the right main lifting process large shaft holding assembly are symmetrically arranged at the rear end of the rear fuselage transfer module, the rear front left supporting block assembly, the rear front right supporting block assembly, the rear left supporting block assembly and the rear right supporting block assembly provide support for the posture adjustment of the rear fuselage transfer module through lifting adjustment, the rear front middle supporting block assembly and the rear middle supporting block assembly can provide support for the main lifting process large shaft holding assembly and the landing gear through lifting adjustment supporting the lifting adjustment support shaft. In some embodiments, the front left support block assembly comprises a front left support block, a square box lifter and a front left installation framework, wherein the front left support block is installed on a screw rod of the square box lifter, and the square box lifter is used for carrying out lifting adjustment on the front left support b