CN106915472B - A digital assembly layout structure and layout method for docking aircraft fuselage and nose - Google Patents

Abstract

A digital assembly layout structure and layout method for the docking of aircraft fuselage and nose, belonging to the technical field of aircraft manufacturing and assembly. instrument, two docking surface consoles, one fuselage end console, two movable working ladders and one integrated control system console, the two fuselage brackets are located under the aircraft fuselage, the nose attitude adjustment positioning unit and the fuselage The attitude adjustment and positioning units are respectively arranged under the nose and the fuselage; the two laser trackers are symmetrically arranged on both sides in front of the nose to form a digital measurement field for the aircraft, and the two docking surface consoles are respectively arranged on the The fuselage end operating consoles on both sides of the butt joint between the nose and the fuselage are arranged at the ends of the fuselage, the two movable working ladders are arranged on both sides of the fuselage, and the integrated control system console It integrates the measurement system, attitude adjustment system, process management and database system to complete the docking control work.

Description

A digital assembly layout structure and layout method for docking aircraft fuselage and nose

technical field

The invention belongs to the technical field of aircraft manufacturing and assembly, and in particular relates to a digital assembly layout structure and a layout method for docking an aircraft fuselage and a nose.

Background technique

In the whole process of aircraft manufacturing and production, the assembly of aircraft accounts for about 50% of the workload. Therefore, improving the efficiency of aircraft assembly has great significance for improving the efficiency of the entire aircraft manufacturing and production process. At present, the assembly of domestic aircraft basically adopts the traditional assembly method. Tooling is used for aircraft docking assembly, and people are measured by standing on the traditional working ladder. This not only wastes time, but also increases the work intensity of personnel and reduces work quality and efficiency.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a digital assembly layout structure and layout method for the docking of aircraft fuselage and nose.

An aircraft fuselage and nose docking digital assembly layout structure is characterized in that the structure includes two fuselage brackets, a nose adjustment and positioning unit, a fuselage attitude adjustment and positioning unit, two laser trackers, two The docking surface operation platform, one fuselage end operation platform, two movable working ladders and one integrated control system operation platform, two fuselage brackets are located under the aircraft fuselage, which support and protect the fuselage to prevent equipment The fuselage landing accident caused by the failure occurred, and at the same time, the support points of the fuselage were increased to make the assembly process of the nose and fuselage more stable;

The attitude adjustment and positioning unit of the nose and the attitude adjustment and positioning unit of the fuselage are respectively arranged under the nose and the fuselage, and the attitude adjustment and positioning unit of the nose and the attitude adjustment and positioning unit of the fuselage are composed of four three-axis positioners , each three-axis positioner is equipped with a three-dimensional force sensor to ensure real-time force monitoring when adjusting the attitude of the nose and fuselage;

The two laser trackers are symmetrically arranged on both sides in front of the aircraft nose to form a digital measurement field for the aircraft. Each laser tracker is installed on a laser tracker base based on a large spiral lift, which is adapted to the measurement process of the laser tracker. The accessibility of the optical path and the convenience of personnel operation realize the measurement without dead angle;

The two docking surface operation consoles are respectively arranged on both sides of the nose and the fuselage butt joint, and are used to realize the operation of the external docking surface of the aircraft;

The console at the end of the fuselage is arranged at the end of the fuselage as a passage for personnel and materials to enter the docking area inside the aircraft;

The two movable working ladders are arranged on both sides of the fuselage, and can be operated by a single person to reach the corresponding position according to the needs. They are used to enter the inside of the fuselage from the outside of the fuselage and complete the measurement work of the measurement points outside the fuselage. coordinate with the locator to prevent damage to the locator due to collision with the locator;

The integrated control system console integrates the measurement system, attitude adjustment system, process management and database system to complete the docking control work, and is arranged directly below the top view of the fuselage.

As a supplement and improvement to the above technical solution, the present invention also includes the following technical features.

The console at the end of the fuselage includes an electric lift container and an access channel for workers to enter and exit the fuselage. A platform is set on the top of the access channel, and the lift container lifts and transports the materials needed for assembly to the platform, avoiding the The trouble of workers moving materials up and down.

Further, the table height of the platform is the same as the floor height in the aircraft cabin, which is convenient for workers to enter and exit the fuselage.

Furthermore, an anti-collision rubber strip is installed on the side of the platform close to the aircraft to prevent the aircraft from being damaged due to improper operation or accidents.

The digital assembly layout structure also includes an internal working ladder made of aluminum alloy light materials, the internal working ladder is placed on the floor of the docking part inside the aircraft cabin, mainly for the purpose of adapting the internal docking area to the height of the space and the height of the person differential needs.

Further, anti-collision rubber is provided around the internal working ladder to prevent the working ladder from colliding and damaging the aircraft.

The attitude adjustment and positioning unit of the machine head and the attitude adjustment and positioning unit of the fuselage are respectively provided with a process bracket correspondingly, and the machine head and the fuselage are respectively placed on the respective corresponding process brackets, mainly to ensure the adjustment of the machine head and the fuselage. Posture rigidity avoids pulling phenomenon during posture adjustment.

The docking surface operation table is divided into two layers of liftable operation table and base, which can meet the needs of workers to construct at any height. It adopts electric mode, leakage protection, and has emergency stop, limit, and anti-collision devices.

A digital assembly layout method for docking aircraft fuselage and nose, which is characterized in that it includes the following steps: the first step is to perform system self-inspection through the integrated control system console; the second step is to construct a digital measurement field through two laser trackers ; The third step is to place the corresponding process bracket of the machine head to the attitude adjustment and positioning unit of the machine head, and to place the corresponding process bracket of the fuselage to the position of the fuselage attitude adjustment and positioning unit; the fourth step is to place the front machine The body is hoisted into place on the corresponding process bracket of the fuselage to realize flexible support for the fuselage; the fifth step is to use the movable working ladder to measure the measurement points of the fuselage and adjust the attitude of the fuselage through the attitude adjustment and positioning unit; the sixth step is to place the The machine head is hoisted into place on the corresponding process bracket of the machine head to realize flexible support for the machine head; the seventh step is to use the movable working ladder to measure the measurement point of the machine head and adjust the attitude through the position adjustment and positioning unit of the machine head; the eighth step is to Put the fuselage bracket, the docking surface console, the fuselage end console, and the internal working ladder in place to complete the relevant docking operations; the ninth step is to put the fuselage bracket, the docking surface console, the fuselage end console, The internal working ladder returns to its position; the tenth step is to remove the docked fuselage and nose as a whole to complete the docking assembly.

The present invention can achieve the following beneficial effects: the present invention comprehensively applies various advanced technologies including digital coordination technology, digital simulation technology, digital measurement technology, digital positioning technology, virtual five-axis attitude adjustment technology, and forms an advanced digital docking assembly system , improving assembly efficiency and assembly accuracy.

Description of drawings

Fig. 1 is a front view of the present invention.

Figure 2 is a top view of the present invention.

Fig. 3 is a left side view of the present invention.

Fig. 4 is a right side view of the present invention.

Detailed ways

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 4, the aircraft fuselage 2 of the present invention is docked with the digital assembly layout structure of the nose, including two fuselage brackets 5, a nose adjustment positioning unit, a fuselage attitude adjustment positioning unit 7, and two lasers. Tracker 10, two docking surface operation consoles 8 and internal working ladder, one fuselage end console 4, two movable working ladders 3 and one integrated control system console 6, two fuselage brackets 5 are located on the aircraft fuselage 2 below, it supports and protects the fuselage.

The nose attitude adjustment positioning unit 9 and the fuselage attitude adjustment positioning unit 7 are respectively arranged under the nose 1 and the fuselage 2, and the nose attitude adjustment positioning unit 9 and the fuselage attitude adjustment positioning unit 7 respectively correspond to A process bracket is provided, and the machine head 1 and the fuselage 2 are respectively placed on the respective corresponding process brackets. The attitude adjustment and positioning unit 9 of the machine head and the attitude adjustment and positioning unit 7 of the fuselage are composed of four three-axis positioners. Each three-axis positioner is equipped with a three-dimensional force sensor to ensure real-time force monitoring when adjusting the attitude of the nose 1 and the fuselage 2;

The two laser trackers 10 are arranged symmetrically on both sides of the front of the nose 1 to form an aircraft digital measurement field. Each laser tracker 10 is installed on the base of a laser tracker 10 based on a large spiral lift, which is suitable for laser tracking. The accessibility of the optical path and the convenience of personnel operation during the measurement process of the instrument 10;

The two docking surface consoles 8 are respectively arranged on both sides of the butt joints of the machine head 1 and the fuselage 2. The docking surface console 8 is divided into two layers of liftable consoles and a base, which can satisfy workers' construction at any height. Electric mode, leakage protection, emergency stop, limit, and anti-collision devices, used to realize the operation of the external docking surface of the aircraft;

The fuselage end console 4 is arranged at the end of the fuselage. The fuselage end console 4 includes an electric lifting container and an access passage for workers to enter and exit the fuselage 2. The top of the access passage is provided with a platform for lifting and lowering. The container lifts the materials needed for assembly to the platform. The table height of the platform is the same as the floor height in the aircraft cabin, which is convenient for workers to enter and exit the fuselage 2. Anti-collision rubber strips are installed on the platform near the side of the aircraft to avoid Injury to the aircraft during improper operation or accidents; the internal working ladder 12 is placed on the floor at the interior joint of the aircraft cabin, and anti-collision rubber is provided around the internal working ladder 12, so as to prevent the working ladder from colliding and damaging the aircraft. 12 hang a storage battery lamp to improve the brightness of the internal operation. Each working ladder 12 is composed of two surfaces, one of which has a lifting function to meet the needs of space height and people's height difference; the two movable working ladders 3 are arranged on The two sides of the fuselage 2 are powered by reliable electric drives, adopt the form of a mobile lift, and are controlled by a single handle, that is, they can be operated by a single person to reach the corresponding position by themselves according to the needs, and are used to enter the inside of the fuselage 2 from the outside of the fuselage 2 and complete the work. The measurement work of the external measuring point of the fuselage 2, and coordinate with the positioner, prevent the positioner from being damaged due to collision with the positioner, and can control the raising and lowering action with variable rising and falling speeds, and the movable working ladder 3 adopts a compact Designed to allow pivoting on its own axle for easier access to confined spaces Reliable electric drive provides continuous power to the lift truck Built-in automatic charger for fast charging for access from outside of body 2 to inside of body 2 And to complete the measurement work of the external measurement points of the fuselage 2, that is, a single person can directly drive the car and hold the target ball or T-Probe to complete the measurement work, no need to move the ladder first and then go up and down to realize the measurement like the traditional working ladder in the past , and highly coordinated with the positioner; the integrated control system console 6 integrates the measurement system, attitude adjustment system, process management and database system to complete the docking control work, and is arranged under the fuselage 2 sides.

The aircraft fuselage 2 and nose docking digital assembly layout method of the present invention include the following steps: the first step is to perform system self-inspection through the integrated control system console; the second step is to construct a digital measurement field through two laser trackers 10; The third step is to put the craft bracket of the machine head into position correspondingly to the attitude adjustment and positioning unit 9 of the machine head, and to put the craft bracket corresponding to the fuselage into position to the attitude adjustment and positioning unit 7 of the fuselage; the fourth step is to place the front fuselage 2. Hoist it into place on the corresponding process bracket of the fuselage to realize flexible support for the fuselage 2; the fifth step is to use the movable working ladder 3 to measure the measurement points of the fuselage 2 and adjust the attitude through the fuselage attitude adjustment positioning unit 7; Sixth step, hoisting the machine head 1 into place on the corresponding process bracket 11 of the machine head to realize flexible support for the machine head 1; the seventh step is to use the movable working ladder 3 to measure the measurement point of the machine head and position it through the attitude adjustment of the machine head Unit 9 posture adjustment; the eighth step, put the fuselage bracket 5, the docking surface operating platform 8, the fuselage end operating platform 4, and the internal working ladder 12 into place to complete the relevant docking operations; the ninth step, put the fuselage bracket 5. The docking surface operation table 8, the fuselage end operation table 4, and the internal working ladder 12 return to their positions; in the tenth step, the docked fuselage 2 and machine head 1 are removed as a whole to complete the docking assembly.

Claims (8)

1. An aircraft fuselage and aircraft nose butt joint digital assembly layout structure which characterized in that: the structure comprises two airframe brackets, a airframe gesture adjusting and positioning unit, an airframe gesture adjusting and positioning unit, two laser trackers, two butting face operation tables, an airframe end operation table, two movable working ladders and an integrated control system operation table, wherein the two airframe brackets are positioned below an airframe of the aircraft to play a supporting and protecting role on the airframe, the airframe gesture adjusting and positioning unit and the airframe gesture adjusting and positioning unit are respectively arranged below the airframe and the airframe, the airframe gesture adjusting and positioning unit and the airframe gesture adjusting and positioning unit are respectively composed of four triaxial positioners, and each triaxial positioner is provided with a three-dimensional force sensor to ensure real-time force monitoring when gesture adjusting is carried out on the airframe and the airframe;

the two laser trackers are symmetrically arranged on two sides in front of the machine head to form an airplane digital measurement field, and each laser tracker is installed by a laser tracker base based on large spiral lifting, so that the accessibility of an optical path and the convenience of personnel operation in the measurement process of the laser trackers are adapted;

the two butt joint surface operation tables are respectively arranged at two sides of the butt joint seam of the machine head and the machine body and are used for realizing the operation of the external butt joint surface of the airplane;

the machine body end operating platform is arranged at the end of the machine body and is used as a channel for personnel and materials to enter an internal butt joint region of the aircraft to operate;

the two movable working ladders are arranged on two sides of the machine body, can be operated by a single person to reach corresponding positions according to the requirements, are used for entering the interior of the machine body from the exterior of the machine body and completing the measurement work of measuring points outside the machine body, are coordinated with the positioner, and prevent the positioner from being damaged due to collision with the positioner;

the integrated control system operating platform integrates a measuring system, an attitude adjusting system, a process management system and a database system to complete the butt joint control work and is arranged below the machine body side.

2. An aircraft fuselage and nose interfacing digital assembly layout structure in accordance with claim 1, wherein: the machine body end operation table comprises an electric lifting container and an access passage for workers to enter and exit the machine body, a platform is arranged at the top end of the access passage, and the lifting container lifts and conveys materials needed to be used in assembly to the platform, so that the trouble of carrying the materials up and down by the workers is avoided.

3. An aircraft fuselage and nose interfacing digital assembly layout structure in accordance with claim 2, wherein: the height of the table top of the platform is the same as the height of the floor in the cabin of the airplane, so that workers can conveniently enter and exit the machine body.

4. A digital assembly layout structure for docking an aircraft fuselage with a nose according to claim 3, wherein: an anti-collision rubber strip is arranged on one side, close to the airplane, of the platform, so that the airplane is prevented from being injured by accident or improper operation.

5. The digital assembly layout structure for docking an aircraft fuselage with a nose according to claim 4, wherein: the digital assembly layout structure also comprises an internal working ladder made of aluminum alloy light materials, and the internal working ladder is placed on the floor of the butt joint part in the aircraft cabin.

6. The digital assembly layout structure for docking an aircraft fuselage with a nose according to claim 5, wherein: and anti-collision rubber is arranged around the inner working ladder.

7. The digital assembly layout structure for docking an aircraft fuselage with a nose according to claim 6, wherein: the machine head gesture-adjusting positioning unit and the machine body gesture-adjusting positioning unit are respectively and correspondingly provided with a process bracket, and the machine head and the machine body are respectively arranged on the corresponding process brackets, so that gesture-adjusting rigidity of the machine head and the machine body is mainly ensured, and a pulling phenomenon is avoided when gesture is adjusted.

8. The digital assembly layout structure for docking an aircraft fuselage with a nose according to claim 7, wherein: the butt joint face operation panel divide into 2 layers of liftable operation panel and base, satisfies workman and is under construction at arbitrary height, adopts electric mode, earth leakage protection, has scram, spacing, buffer stop.

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