CN113770677B

CN113770677B - Working platform for internal assembly of large airplane body

Info

Publication number: CN113770677B
Application number: CN202111103454.8A
Authority: CN
Inventors: 卢茜; 杨宝华; 刘钰铉
Original assignee: AVIC Xian Aircraft Industry Group Co Ltd
Current assignee: AVIC Xian Aircraft Industry Group Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-09-20
Anticipated expiration: 2041-09-18
Also published as: CN113770677A

Abstract

The invention discloses a working platform for internal assembly of a large-scale airplane body, which comprises two groups of process joint components, two groups of steel pipe components, a group of honeycomb plate components and a group of series light rail components, wherein the process joint components are symmetrically fixed on side frames at two sides of the airplane body through process hole shafts on frames of the airplane body, the steel pipe components are symmetrically erected on the process joint, the honeycomb plate components are sequentially laid on the steel pipe components along the course of the airplane to form the working platform, and the series light rail components are arranged at the bottom of the honeycomb plate components to realize bottom hoisting of the working platform. The landing-leg-free working platform is realized by utilizing the fabrication holes on the self framework of the airplane, the hoisting function in the airplane body is realized by utilizing the course and the unfolding direction of the bottom of the platform, the repeated work of repeatedly building the large airplane working platform is solved, the difficult problem of hoisting the inside of the large airplane barrel section is solved, and the quality and the efficiency of airplane assembly are ensured.

Description

Working platform for internal assembly of large airplane body

Technical Field

The invention relates to the technical field of assembly of large airplane fuselages in the aviation manufacturing industry, in particular to a working platform for internal assembly of the large airplane fuselages.

Background

Aircraft technical equipment always occupies a great position in the aviation manufacturing industry, and the technical level of the aircraft technical equipment directly influences the quality and progress of aircraft assembly. The working platform is one of important devices in the process of assembling the airplane, and an operator finishes the assembling work of each part and assembly of the airplane on the working platform. With the vigorous development of the aircraft manufacturing industry, aviation enterprises must put forward higher updating requirements on process equipment under the double competition of industry and market, and the seeking of a rapid and efficient working platform is imperative.

The overall length of a large aircraft fuselage is about 20m, and the diameter is about 5.5 m. Before the airplane floor is not installed, the operation of the upper part of the airplane cylinder section is finished by adopting a method of building a working platform and a supporting leg on a bottom grid frame in the airplane body. When the airplane floor is assembled on the bottom frame, the working platform needs to be dismantled, and after the floor is assembled, the working platform is rebuilt on the airplane floor again to enable the upper part and the lower part of the airplane cylinder section to work simultaneously. Because the fuselage is longer, and the technology platform need cover whole fuselage length, and required platform plate and landing leg are in large quantity, and weight is heavier, and the ordinary crane in the factory building can't be used in the fuselage inside, and whole build, dismouting and floor transportation process can only rely on the manpower transport, and work load is big, and repeatability work is more, and work efficiency is extremely low.

In view of the above, there is a need to design a process working platform which is light in weight, convenient for manual movement, fast in assembly and capable of realizing internal hoisting of a machine body.

Disclosure of Invention

The application aims to provide a working platform for assembling and using a large airplane fuselage inside.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a work platform for large-scale aircraft fuselage internal assembly uses, contain two sets of technology joint subassemblies, two sets of steel pipe assembly, a set of honeycomb panel subassembly, a set of light rail subassembly of establishing ties, two sets of technology joint subassemblies are connected and the symmetry is fixed on the side frame of fuselage both sides through the fabrication hole cooperation with aircraft fuselage frame, two sets of steel pipe assembly symmetric frames are on technology joint, honeycomb panel subassembly is laid on the steel pipe subassembly in proper order along aircraft course, form work platform, the light rail unit mount of establishing ties is in honeycomb panel subassembly bottom, realize work platform's bottom hoist and mount.

The process joint assembly comprises a process joint, a quick assembling and disassembling pipe clamp and a pipe clamp mounting seat, wherein the side surface of the process joint is in an inverted Y shape, the upper end of the process joint is in an insert lug structure and is connected with a process hole in an airplane side frame through a screw rod, the lower end of the process joint is abutted against the airplane side frame, a platform mounting pipe clamp mounting seat is arranged on one side of the process joint, and the quick assembling and disassembling pipe clamp is mounted on the pipe clamp mounting seat.

The honeycomb panel assembly comprises a plurality of same light honeycomb panels, edges for reinforcement are arranged on the periphery of the light honeycomb panels, two hooks for lapping with the steel tube assembly are arranged at two ends in the length direction respectively, and a threaded sleeve for connecting with the series light rail is arranged at the bottom of the light honeycomb panel assembly.

The serial light rail assembly comprises a plurality of course guide rails, a plurality of course trolleys, a plurality of unfolding guide rails and a plurality of unfolding chain blocks, wherein the course guide rails are divided into two groups and are symmetrically arranged below the honeycomb panel along the central axis of the machine body, the course trolleys are arranged below the course guide rails and can slide along the course, the unfolding guide rails are connected with the course guide rails in series through the course trolleys, and the chain blocks are arranged on the unfolding guide rails and can slide along the unfolding guide rails, so that the hoisting in each direction in the machine body is realized.

Has the advantages that: according to the working platform for the internal assembly of the large airplane body, the landing leg-free working platform is realized by utilizing the fabrication holes on the frame of the airplane, the hoisting function of the internal part of the airplane body is realized by utilizing the light guide rail with the course and the unfolding direction at the bottom of the platform, the repeated work of repeatedly building the large airplane working platform is solved, the difficult problem of hoisting the internal part of the large airplane cylinder section is solved, and the quality and the efficiency of the airplane assembly are ensured. The working platform is simple in structure, simple and convenient to mount and dismount, original workload is greatly reduced, and quality safety of products is guaranteed. The method can be directly popularized to the technical field of installation and lifting of airplane floors of different sizes and types in the aviation manufacturing industry.

The present application is described in further detail below with reference to the accompanying drawings of embodiments.

Drawings

FIG. 1 is a schematic view of a working platform for the internal assembly of an aircraft fuselage

FIG. 2 schematic view of a process connection assembly

FIG. 3 is a schematic view of the lap joint of the lightweight honeycomb panel and the steel pipe assembly

FIG. 4 schematic view of a series light rail assembly

The reference numbers in the figures illustrate: 1, a process connection assembly; 2, a steel pipe component; 3 a honeycomb panel assembly; 4 light rail components are connected in series; 5, a process joint; 6, quickly disassembling and assembling the pipe clamp; 7, pipe clamp mounting seats; 8 light honeycomb board; 9, hanging hooks; 10 course guide rail; 11, a course trolley; 12 a spanwise rail; 13 extending to the chain block.

Detailed Description

Referring to the attached drawings, the invention provides a working platform for assembling the interior of a large airplane body.

Seen from figure 1, a work platform for large aircraft fuselage internal assembly, contain two sets of technology joint subassemblies 1, two sets of steel pipe subassembly 2, a set of honeycomb panel subassembly 3, a set of light rail subassembly 4 of establishing ties, two sets of technology joint subassemblies 1 are installed on the fabrication hole of aircraft both sides frame along fuselage axis symmetry, two sets of steel pipe subassembly 2 symmetric frames are on technology joint subassembly 1, honeycomb panel subassembly 3 is laid in proper order on steel pipe subassembly 2 along aircraft course, form two layers of work platform, light rail subassembly 4 of establishing ties is installed in the honeycomb panel bottom, realize the bottom hoist and mount of work platform.

As shown in figure 2, the process joint assembly 1 comprises a process joint 5, a quick assembly disassembly pipe clamp 6 and a pipe clamp mounting seat 7, wherein the side surface of the process joint 5 is in an inverted Y shape, the upper end of the process joint is in an insert lug structure and is connected with a process hole in an airplane side frame through a screw rod, the lower end of the process joint is abutted against the airplane side frame, a platform mounting pipe clamp mounting seat 7 is arranged on one side of the process joint 5, and the quick assembly disassembly pipe clamp 6 is mounted on the pipe clamp mounting seat 7.

As seen from figure 3, the honeycomb plate component 3 comprises a plurality of same light honeycomb plates 8, the peripheries of the light honeycomb plates 8 are provided with edges for reinforcement, two ends in the length direction are respectively provided with two hooks 9 for lapping with the steel pipe component 2, and the bottom of each light honeycomb plate component is provided with a threaded sleeve for connecting with a series light rail.

As shown in fig. 4, the tandem light rail assembly 4 includes a plurality of heading guide rails 10, a plurality of heading trolleys 11, a plurality of span-wise guide rails 12, and a plurality of span-wise chain blocks 13, the heading guide rails 10 are divided into two groups and symmetrically arranged below the honeycomb panel assembly 3 along the central axis of the machine body, the heading trolleys 11 are installed below the heading guide rails 10 and can slide along the heading, the span-wise guide rails 12 are in tandem connection with the heading guide rails 10 through the heading trolleys 11, and the chain blocks 13 are installed on the span-wise guide rails 12 and can slide along the span-wise guide rails 12, so as to realize hoisting in each direction inside the machine body.

According to the working platform for the internal assembly of the large-scale airplane body, the landing-leg-free working platform is realized by utilizing the fabrication holes on the frame of the airplane, the hoisting function in the body is realized by utilizing the course and the unfolding direction of the bottom of the platform, the repeated work of repeatedly building the large-scale airplane working platform is solved, the difficult problem of hoisting the interior of the large-scale airplane cylinder section is solved, and the quality and the efficiency of the airplane assembly are ensured. The working platform is simple in structure, simple and convenient to mount and dismount, original workload is greatly reduced, and quality safety of products is guaranteed. The method can be directly popularized to the technical field of installation and lifting of airplane floors of different sizes and types in the aviation manufacturing industry.

Claims

1. A working platform for internal assembly of a large airplane body is characterized by comprising two groups of process joint components, two groups of steel pipe components, a group of honeycomb plate components and a group of serially connected light rail components, wherein the two groups of process joint components are matched and connected with process holes in a frame of the airplane body and symmetrically fixed on side frames on two sides of the airplane body, the two groups of steel pipe components are symmetrically erected on a process joint, the honeycomb plate components are sequentially laid on the steel pipe components along the heading direction of the airplane to form the working platform, the serially connected light rail components are arranged at the bottom of the honeycomb plate components to realize the bottom hoisting of the working platform, the process joint components comprise process joints, quick-disassembly pipe clamps and pipe clamp mounting seats, the side surfaces of the process joints are in an inverted Y shape, the upper ends of the process joints are provided with lug inserting structures and are connected with the process holes in the side frames of the airplane through screws, the lower ends of the process joints are abutted against the side frames of the airplane, one side of the inverted Y shape is provided with a platform for mounting the pipe clamp mounting seats, quick assembly disassembly pipe clamp is installed on the pipe clamp mount pad, the honeycomb panel subassembly contain the same light honeycomb panel of several, light honeycomb panel is equipped with all around and strengthens borduring of usefulness, the minor face of light honeycomb panel both sides be equipped with respectively with two couples of steel pipe assembly overlap joint usefulness, light honeycomb panel bottom be equipped with the threaded sleeve of series connection light rail connection usefulness, the series connection light rail subassembly contain several course guide rail, several course dolly, several exhibition to guide rail and several exhibition to chain block, the course guide rail divide into two sets ofly and along fuselage axis symmetrical arrangement below the honeycomb panel, the course dolly is installed in course guide rail below and can be followed the course guide rail and slide, the exhibition is passed through the course dolly and is concatenated with the course guide rail, exhibition to chain block installs on the exhibition to guide rail and can follow the exhibition to guide rail and slide to this hoist and mount that realizes the inside all directions of fuselage.