CN108216680B - Installation method of floor guide rail of large cargo aircraft - Google Patents
Installation method of floor guide rail of large cargo aircraft Download PDFInfo
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- CN108216680B CN108216680B CN201711293307.5A CN201711293307A CN108216680B CN 108216680 B CN108216680 B CN 108216680B CN 201711293307 A CN201711293307 A CN 201711293307A CN 108216680 B CN108216680 B CN 108216680B
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- base
- floor
- crossbeam
- hole
- guide rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/10—Manufacturing or assembling aircraft, e.g. jigs therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a large cargo aircraft floor guide rail mounting device and a mounting method. When the base is used, the base is firstly installed on the installation reference hole of the floor guide rail of the aircraft warehouse, and after the base is installed, the laser ranging sensors on the two sides can measure the distance from the floor guide rails on the two sides in real time and automatically record the distance. The invention has compact and reasonable structure and solves the problem that the installation precision of the floor guide rail of a large cargo aircraft cannot be ensured and detected.
Description
Technical Field
The application relates to the technical field of aircraft assembly and manufacturing, in particular to an installation method of a large cargo aircraft floor guide rail.
Background
The total number of 4 floor guide rails on the floor in the large cargo aircraft cabin comprises 2 main floor guide rails and 2 auxiliary floor guide rails (as shown in figure 1), and every two floor guide rails are in one group to realize the guiding function. The installation of the floor guide rail is an important process, the goods can not be clamped and suspended in the movement between the floor guide rails through the installation accuracy of the floor guide rail, the parallelism of the floor guide rail is within a design requirement range, the existing measurement mode such as a laser tracker or a laser interferometer is limited by a narrow space and no stable plane with proper size, and the installation accuracy of the floor guide rail cannot be measured through a conventional means. The original floor rail is installed by determining whether the floor rail is installed in place through the experience of workers. If the parallelism of the floor guide rail exceeds the requirement after the installation is finished, serious consequences such as dead locking of goods, deformation and damage of the guide rail and the like can be caused.
Disclosure of Invention
In order to solve the problems and enable the cargo plane floor guide rail to be installed quickly and accurately, the invention provides an installation method of a large cargo plane floor guide rail.
The utility model provides a large-scale cargo aircraft floor guide rail installation device, the on-line screen storage device comprises a base, the crossbeam, laser rangefinder sensor, the T type structure of base for invering, the crossbeam is straight beam structure, the bottom plate of base is equipped with one row of bolt hole along longitudinal center line one end, the other end is equipped with a slotted hole, be equipped with crossbeam locating hole and crossbeam on the stand of perpendicular to bottom plate on the base and pass the hole, be equipped with the sensor installation locating hole of accurate scaling-size on the crossbeam, the crossbeam is installed on the base stand, and perpendicular with the longitudinal center line of bottom plate, install in the crossbeam left and right sides locating.
The method for installing the floor guide rail by using the device comprises the following steps:
1, respectively placing two main floor guide rails and two auxiliary floor guide rails to be laid on a cargo plane floor on two sides of a row of airplane reference holes in the center of the cargo plane floor, wherein each side is provided with two guide rails which are symmetrical left and right, and performing primary alignment and installation according to the theoretical size of the distance between the guide rails and the reference holes;
2, placing the base on the center line of the cargo plane floor, aligning the bolt hole and the long round hole with the airplane reference hole, and fixing the base on the cargo plane floor in a jack mode;
3, fixing the cross beam on the upright post of the base, and symmetrically installing four laser ranging sensors in sensor installation positioning holes on the cross beam;
4, taking the side edge of each guide rail as a measuring reference surface, respectively reading the distance from the laser ranging sensor to each measuring reference surface, and adjusting each floor guide rail according to the measured data until each measured data is within a set tolerance range;
and 5, detaching the base, repeating the steps 2 to 4 until the four floor guide rails are adjusted in the whole length range to meet the design precision requirement.
The invention has the advantages of compact and reasonable structure and solves the problem that the installation precision of the floor guide rail of the large cargo aircraft cannot be ensured and detected.
This application is described in further detail below with reference to the example drawings.
Drawings
FIG. 1 front view of a floor rail and mounting device
FIG. 2 floor rail and mounting device top view
FIG. 3 mounting device base view
FIG. 4 a diagram of a floor rail installation measurement method
The numbering in the figures illustrates: 1. a main floor rail; 2. an auxiliary floor rail; 3. a base; 4. a cross beam; 5, an airplane reference hole; 6. a laser ranging sensor; 7. a pin hole; 8. a long round hole; 9. positioning holes; 10. a beam stop block; 11. passing through the aperture; 12. sensor fixing piece
Detailed Description
Referring to the attached drawings 1-4, the floor guide rail installation device for the large cargo aircraft comprises a base 3, a cross beam 4, laser ranging sensors 6, wherein the base 3 is of an inverted T-shaped structure, the cross beam 4 is of a straight beam structure, one end of a bottom plate of the base 3 along a longitudinal central line is provided with a row of bolt holes 7, the other end of the bottom plate is provided with a long round hole 8, a cross beam positioning hole 9 and a cross beam penetrating hole 11 are formed in an upright post perpendicular to the bottom plate on the base 3, sensor installation positioning holes with accurate calibration sizes are formed in the cross beam 4, the cross beam 4 is installed on the upright post of the base and perpendicular to the longitudinal central line of the bottom plate, and the
Install crossbeam dog 10 and sensor mounting 12 on crossbeam 4, crossbeam 4 need pass through hole 11 on the base 3 during the installation, rely on crossbeam dog 10 and the last locating hole 9 of base 3 that play the positioning action to guarantee the installation accuracy of crossbeam 4 again, laser ranging sensor 6 installs on sensor mounting 12, and sensor mounting 12 relies on nut and preforming can be fixed on crossbeam 4 optional position, and specific fixed position need be through survey engine demarcation back confirm and lock die.
A method for installing a floor guide rail of a large cargo aircraft comprises the following steps:
1, respectively placing two main floor guide rails 1 and two auxiliary floor guide rails 2 to be laid on a cargo plane floor on two sides of a row of airplane reference holes 5 in the center of the cargo plane floor, wherein each side is symmetrical left and right, and performing primary alignment and installation according to the theoretical size of the distance between the guide rails and the reference holes;
2, placing the base 3 on the center line of the cargo plane floor, aligning the bolt hole 7 and the long round hole 8 with the airplane reference hole 5, and fixing the base 3 on the cargo plane floor in a jack mode;
3, fixing a cross beam 4 on an upright post of the base 3, and symmetrically installing four laser ranging sensors 6 in sensor installation positioning holes on the cross beam 4;
4, taking the side edge of each guide rail as a measuring reference surface, respectively reading the distance from the laser ranging sensor 6 to each measuring reference surface, and adjusting each floor guide rail according to the measured data until each measured data is within a set tolerance range;
and 5, detaching the base 3, repeating the steps 2 to 4 from the reference hole 5 of the airplane to the next measuring position until the four floor guide rails are adjusted in the whole length range to meet the design precision requirement.
The whole installation device adopts a measuring method of segmenting a long distance into a fixed length and a short distance movable length, and realizes the measurement of the distance between the large-span floor guide rails with limited conditions. By adopting four laser ranging sensors, 4 data (as shown in fig. 4) can be measured at one position at the same time, and 4 floor guide rails are adjusted at the same time according to four sizes of a, b, c and d measured by the laser ranging sensors until the floor guide rails are adjusted in place. The installation mode has high efficiency, can ensure the precision in the installation and achieves the effect of one-time in-place installation and detection. And the device has compact integral structure, small volume and simple operation.
Claims (1)
1. The utility model provides a large-scale cargo aircraft floor guide rail's installation method, its characterized in that installation device includes the base, the crossbeam, laser rangefinder sensor, the base is the T type structure of invering, the crossbeam is straight beam structure, the bottom plate of base is equipped with one row of bolt hole along longitudinal center line one end, the other end is equipped with a slotted hole, be equipped with crossbeam locating hole and crossbeam on the stand of the perpendicular to bottom plate on the base and pass the hole, be equipped with the sensor installation locating hole of accurate scaling-size on the crossbeam, the crossbeam is installed on the base stand, and perpendicular with bottom plate longitudinal center line, four laser rangefinder sensors are installed in the crossbeam left and right sides locating hole symmetrically, the installation:
1-1, respectively placing two main floor guide rails and two auxiliary floor guide rails to be laid on a cargo plane floor on two sides of a row of airplane reference holes in the center of the cargo plane floor, wherein each side is provided with two guide rails which are symmetrical left and right, and performing primary alignment and installation according to the theoretical size of the distance between the guide rails and the reference holes;
1-2, placing the base on a center line of a cargo plane floor, aligning the bolt hole and the long round hole with the airplane reference hole, and fixing the base on the cargo plane floor in a jack mode;
1-3, fixing a cross beam on an upright post of a base, and symmetrically installing four laser ranging sensors in sensor installation positioning holes on the cross beam;
1-4, taking the side edge of each guide rail as a measuring reference surface, respectively reading the distance from a laser ranging sensor to each measuring reference surface, and adjusting each floor guide rail according to the measured data until each measured data is within a set tolerance range;
1-5, removing the base, repeating the steps 1-2 to 1-4 from the base to the next measuring position along the airplane datum hole until the four floor guide rails are adjusted in the whole length range to meet the design precision requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711293307.5A CN108216680B (en) | 2017-12-08 | 2017-12-08 | Installation method of floor guide rail of large cargo aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711293307.5A CN108216680B (en) | 2017-12-08 | 2017-12-08 | Installation method of floor guide rail of large cargo aircraft |
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| Publication Number | Publication Date |
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| CN108216680A CN108216680A (en) | 2018-06-29 |
| CN108216680B true CN108216680B (en) | 2021-05-07 |
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| CN201711293307.5A Active CN108216680B (en) | 2017-12-08 | 2017-12-08 | Installation method of floor guide rail of large cargo aircraft |
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| CN109358337B (en) * | 2018-10-29 | 2022-11-15 | 北京康拓红外技术股份有限公司 | Double-laser ranging and positioning method for intelligent warehouse inspection robot of motor train unit |
| CN109521060B (en) * | 2018-11-27 | 2021-05-07 | 丁时永 | Cotton bale moisture regain detects distance detection device |
| CN110146016B (en) * | 2019-06-03 | 2024-05-24 | 西安飞机工业（集团）有限责任公司 | Wing C-shaped beam flexibility detection device and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4198164A (en) * | 1976-10-07 | 1980-04-15 | Ensco, Inc. | Proximity sensor and method and apparatus for continuously measuring rail gauge |
| AT402953B (en) * | 1990-11-12 | 1997-10-27 | Plasser Bahnbaumasch Franz | DEVICE FOR CONTACTLESS TRACK WIDTH MEASUREMENT OF RAILS |
| DE102010018272A1 (en) * | 2010-04-26 | 2011-10-27 | Airbus Operations Gmbh | Rail system and method for mounting a component in an aircraft |
| CN203228781U (en) * | 2013-04-23 | 2013-10-09 | 四川澄观电子技术有限公司 | Track detection trolley not affecting train passing |
| CN104229633B (en) * | 2014-08-19 | 2017-04-05 | 甘肃酒钢集团宏兴钢铁股份有限公司 | The method that bridge crane track, wheel group are detected using laser range finder |
| US9284130B1 (en) * | 2014-10-10 | 2016-03-15 | Goodrich Corporation | Multi-zone load leveling system for air cushion supported aircraft cargo loading robot |
| CN104390609A (en) * | 2014-11-14 | 2015-03-04 | 武汉钢铁(集团)公司 | Automatic online steel rail straightness measuring instrument |
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