EP3641963A1 - Procédé de rivetage pour aéronef - Google Patents
Procédé de rivetage pour aéronefInfo
- Publication number
- EP3641963A1 EP3641963A1 EP18755529.7A EP18755529A EP3641963A1 EP 3641963 A1 EP3641963 A1 EP 3641963A1 EP 18755529 A EP18755529 A EP 18755529A EP 3641963 A1 EP3641963 A1 EP 3641963A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- riveting
- rivet
- piece
- head
- image acquisition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
- B21J15/142—Aerospace structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/04—Riveting hollow rivets mechanically
- B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/14—Riveting machines specially adapted for riveting specific articles, e.g. brake lining machines
- B21J15/145—Turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
- B21J15/285—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups for controlling the rivet upset cycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/105—Portable riveters
Definitions
- the invention relates to a riveting system for the manufacture of an aircraft. More specifically, the invention relates to the control of riveting operations.
- Rivets are widely used in the aerospace industry to non-releasably assemble aircraft parts by crimping. These rivets for aircraft are subject to significant mechanical and thermal stresses. Moreover, they are generally chosen so as to disturb at least the air flow around the aircraft parts.
- Riveting operations are largely automated. They are made using a riveting head that carries several tools involved in riveting operations.
- Some riveting operations can be controlled in real time automatically, in particular using a curve of forces exerted on a rivet according to the displacement of a riveting head.
- Such a control method is for example disclosed in the application EP 1 302 258.
- riveting control operations are generally performed by specialized operators once all the rivets of a part have been assembled.
- the invention aims to at least partially solve the problems encountered in the solutions of the prior art.
- the invention relates to a riveting method comprising riveting a first aircraft part to a second aircraft part, by means of a riveting system comprising a riveting tool and a plenoptic device image acquisition.
- the riveting tool is configured to assemble the first piece to the second piece by riveting, the riveting tool comprising a riveting head for engaging the first piece and / or the second piece.
- the plenoptic image acquisition device is integral with the riveting head.
- the riveting method comprises a plenoptic image acquisition of the rivet and the surroundings of the rivet, by the image acquisition device after riveting of the first piece to the second piece.
- the method comprises detecting the positioning and the surface condition of the rivet from the plenoptic image taken by the image acquisition device.
- the control of the state of the rivet and the positioning of the rivet is performed as soon as the riveting has taken place.
- the plenoptic image acquisition device used has a small footprint and it does not disturb the riveting.
- the displacements of the image acquisition device and the associated riveting head are limited.
- the use of a plenoptic image of the rivet and its surroundings thus makes the control precise, reliable, fast and implemented on the same equipment.
- a plenoptic image is a two-dimensional image that samples both the intensity of light rays from a scene and the direction of the rays.
- a plenoptic image can be understood as the taking of a plurality of images.
- the invention may optionally include one or more of the following features combined with one another or not.
- the riveting method comprises the three-dimensional reconstruction of the rivet and the surroundings of the rivet, from the image taken by the image acquisition device.
- the riveting method includes comparing the detected positioning of the rivet with a reference position of the rivet, and comparing the detected surface condition of the rivet with a reference surface state of the rivet.
- the riveting method comprises the signaling of a defect of positioning and / or surface condition of the rivet, in particular when a defect in the outcropping of a rivet head and / or a notch in the rivet rivet were detected.
- the rivet is a blind rivet.
- the rivet has a head intended to be flush with a surface of the first piece and / or with a surface of the second piece, once it is assembled.
- the rivet is a countersunk rivet.
- the riveting method comprises the riveting of a first rivet, to assemble the first piece to the second piece by a riveting method as defined above.
- the method further includes riveting a second rivet to assemble the first piece to the second piece by a riveting method as defined above.
- the riveting method comprises comparing the detected positioning of the second rivet with the detected positioning of the first rivet.
- the riveting method comprises comparing the detected surface state of the second rivet with the detected surface state of the first rivet.
- the riveting process comprises the establishment of rivet positioning statistics.
- the invention also relates to an aircraft riveting system, comprising a riveting tool configured to assemble a first aircraft part to a second aircraft part by riveting. Riveting tooling comprising a riveting head intended to come into contact with the first part and / or the second part.
- the riveting system comprises a plenoptic image acquisition device, configured to take a plenoptic image of the rivet and rivet surroundings after riveting the first piece to the second piece.
- the image acquisition device is integral with the riveting head.
- the plenoptic image acquisition device is configured to take images with variable focusing areas at least in the direction of the longitudinal axis of the riveting head, when the riveting head is stationary relative to to the first room and the second room.
- the riveting head comprises a rotary barrel and riveting tools.
- the rotary barrel comprises housings distributed circumferentially about a longitudinal axis of the riveting head. Riveting tools perform various operations involved in riveting.
- the riveting tools are intended to be housed in the barrel housings.
- the image acquisition device is housed in one of the barrel housings.
- the riveting tools are in particular different from each other.
- the riveting tools comprise a drilling tool for an orifice passing through the first piece and the second piece, a tool for inserting a rivet rod and / or a rivet body, and / or a riveter.
- FIG. 1 is a partial schematic representation of an aircraft turbomachine
- FIGS. 2a, 2b and 2c illustrate an aircraft riveting operation using a riveting system according to a first preferred embodiment
- Figures 3a, 3b illustrate two types of assembly defects that can be detected by the riveting system
- Figure 4 is a partial schematic representation of the riveting system with its riveting head in cross-sectional view
- Figure 5 is a partial schematic representation of the riveting system with its riveting head in longitudinal section, detailing in particular the positioning of the plenoptic sensor and schematically the path of light rays.
- Figure 6 illustrates a method of riveting using the riveting system according to the first embodiment.
- FIG. 1 shows a turbomachine 1 with double flow and double body.
- the turbomachine 1 is a turbojet engine that has a shape of revolution around a longitudinal axis AX.
- the turbomachine 1 comprises, from upstream to downstream on the path of a primary flow A, an air inlet sleeve 2, a fan 3, a low pressure compressor 4, a high pressure compressor 6, a combustion chamber 7, a high pressure turbine 8 and a low pressure turbine 10.
- upstream and downstream directions are used in this document with reference to the overall flow of gases in the turbojet, such a direction is substantially parallel to the direction of the longitudinal axis AX.
- the low pressure compressor 4, the high pressure compressor 6, the high pressure turbine 8 and the low pressure turbine 10 delimit a secondary flow stream of a secondary flow B which bypasses them.
- the high pressure compressor 6 and the high pressure turbine 8 are mechanically connected by a drive shaft 5 of the high pressure compressor 6, so as to form a high pressure body of the turbomachine 1.
- the low pressure compressor 4 and the low-pressure turbine 10 are mechanically connected by a turbomachine shaft 1, so as to form a low-pressure body of the turbomachine 1.
- the high-pressure low-pressure compressor 4, the high-pressure compressor 6, the combustion chamber 7, the high-pressure turbine 8 and the low-pressure turbine 10 are surrounded by a housing 9 which extends from the inlet sleeve 2 to the low pressure turbine 10.
- FIGS. 2a to 2c show the steps of setting up a blind rivet 20 for crimping a first aircraft part 11 to a second aircraft part 13.
- the first piece 11 and the second piece 13 are for example segments of the housing 9 or other segments of nacelle for aircraft.
- Blind rivet 20 is also known by the name of rivet "POP". It comprises a rod 22 and a body 24 which forms an annular ring around the rod 22.
- the rod 22 comprises a head 23 at one of its ends, which is intended to be part of the rivet 28 once the rivet 20 has been installed.
- the upper end of the body 24 forms a head 26 of the rivet, once the rivet 20 has been installed.
- the rivet 20 is inserted into an orifice 15 which passes through the first piece 11 and the second piece 13.
- This orifice 15 comprises a milled portion at the first piece 11, which is intended to hold the countersunk head 26.
- the rod 22 of the rivet is pulled upwards in an assembly direction XX by a riveter 68, opposite the first piece 11 and the second piece 13.
- the riveter 68 is typically a rivet clamp comprising a jaw 69 for gripping the rod 22.
- the rod 22 has split into an upper portion of the rod 22b and a lower portion 22a.
- the outcropping of the head 26 makes it possible to limit the aerodynamic disturbances created by the rivet 20 on the surface of the first piece 11.
- the head 23 of the rod and the lower end of the body 24 have flattened against the second piece 13, to form the rivet 28.
- the first piece 11 is then riveted to the second piece 13.
- FIG. 3a shows a first possible outcrop defect for the rivet 20.
- FIG. 3b shows a second possible outcrop defect for the rivet 20.
- the riveting system 5 comprises a riveting tool 30 and a control system 50 which is used to detect any assembly defects of the rivet 20 such as those shown in Figures 3a and 3b.
- riveting tooling 30 includes a riveting head 40, rivet head moving means 32 and a control system 36.
- the riveting tool 30 is configured to assemble the first part 11 of aircraft to the second aircraft part 13 by blind rivets 20, automatically.
- the riveting head 40 comprises a rotary barrel 42. It carries riveting tools 62, 64, 66, 68 and an image acquisition device 52 which is part of the riveting control system 50.
- the riveting head 40 is intended to come into contact with the first piece 11 and / or the second piece 13 to assemble them by riveting.
- the barrel 42 has housings 43 which are distributed circumferentially around the longitudinal axis XX of the riveting head 40.
- the longitudinal axis XX of the riveting head 40 corresponds to the assembly direction of the rivet 20 when the rivet 20 is being assembled.
- the barrel 42 is rotatable about the longitudinal axis XX of the riveting head.
- the housings 43 serve to accommodate the various riveting tools 62, 64, 66, 68 which are involved in the various operations required for riveting. At least one of the housings 43 serves to house the image acquisition device 52.
- the riveting tools 62, 64, 66, 68 comprise a first piercing tool 62, a second piercing tool 64, a rivet insertion tool 66 and the riveter 68 which has been described above with reference to FIGS. at 2c.
- the first drilling tool 62 is used to pierce the through hole 15 which passes through the first workpiece 11 and the second workpiece 13.
- the second workpiece 64 is used to make a bore in the first workpiece to house the countersunk head 26 in the workpiece.
- the insertion tool 66 serves to insert the body 24 of the rivet and the rivet rod 22 according to the assembly direction XX.
- the X-X assembly direction, a first Y-Y lateral direction and a second Z-Z lateral direction form an orthonormal marker centered on the rivet head 20. It is for example shown in Figures 2a to 2c and Figures 3a to 3b.
- a first housing 43 houses the first drilling tool 62.
- a second housing 43 houses the second drilling tool 64.
- a third housing 43 houses the insertion tool 66.
- a fourth housing 43 houses the riveter 68.
- a fifth slot houses the image acquisition device 52.
- the displacement means 32 of the riveting head comprise a motor and an arm at the end of which is located the riveting head 40.
- the motor is able to rotate the barrel 42 around the longitudinal axis XX of the riveting head 40 , in turn to take each of the riveting tools 62, 64, 66, 68 and the image acquisition device 52 vis-à-vis the place where the rivet 20 is to be installed.
- the arm is intended to move the riveting head 40 in translation, in particular in X-X assembly direction, the first lateral direction Y-Y and the second lateral direction Z-Z.
- the control system 36 serves to control the displacement means 32 the displacement of the barrel 42. It also serves to control the operation of each of the riveting tools 62, 64, 66, 68 independently of each other, as well as the operation of the image acquisition device 52.
- the control system 50 comprises the image acquisition device 52 and a control unit 58.
- the image acquisition device 52 is a plenoptic image acquisition device. It comprises a plenoptic sensor 54. It also comprises a light source 56. The image acquisition device 52 is housed in the housing 43. It is integral with the riveting head 40.
- the plenoptic sensor 54 comprises an optical system 55 and a processing unit 57. It is configured to take one or more images of the rivet 20 once it has been assembled.
- the plenoptic sensor 54 is a digital image acquisition device which captures the luminous intensity of the rivet 20, and which samples the arrival directions of the light rays coming from the rivet 20. By a triangulation approach of the rays coming from the the same point on the rivet, it is possible to reconstruct the position of this point. If this operation is performed for all the points seen plenoptic sensor 54, a three-dimensional reconstruction of the rivet and its surrounding surface is obtained.
- the optical system 55 comprises a plurality of micro-lenses forming a matrix.
- the processing unit 57 is configured to process the signal it receives from the optical system 55 to form the image of the rivet 20.
- the light source 56 is intended to illuminate the rivet 20, so that the plenoptic sensor 54 can image the rivet 20. It is preferably located in the housing 43 of the plenoptic sensor 54 or near the area to be imaged.
- the control unit 58 is a computer unit. It is connected to the processing unit 57. It includes a memory and a microprocessor.
- the control unit 58 is configured to detect the positioning and the surface condition of the rivet 20 from the images taken by the image acquisition device 52. For this it performs the three-dimensional reconstruction of the rivet 20 and uses also at least one two-dimensional image of the rivet 20 and its surrounding surface. The control unit 58 is then configured to compare the positioning of the detected rivet 20 at a position reference. It is also configured to compare the surface condition of the detected rivet 20 to a reference surface condition for the rivet 20.
- It is configured to deduce a defect in setting up the rivet 20 such as a defect in the outcropping of a rivet head 26 and / or a rivet notch or a so-called cosmetic defect such as a stain or a scratch would see in the two-dimensional image.
- the outcrop defects detected are in particular those represented in FIGS. 3a and 3b. If it detects no defect in setting up the rivet 20, the control unit 58 validates the setting up of the rivet 20.
- the control unit 58 is also configured to compare the positioning and surface condition of the rivet 20 with respect to the positioning and surface condition of other rivets. It thus makes it possible to establish statistics of placement of the rivets 20.
- It is configured to be connected to a buzzer, tactile and / or visual to warn an operator in the event of a rivet assembly error 20 and / or an unusually high number of rivet assembly errors. .
- the method of riveting a first rivet 20 is described with reference to FIG. 6.
- the riveting process 100 begins by placing the first rivet 20 by riveting tooling 30, at step 101.
- the image acquisition device 52 takes images of the rivet 20 and the first piece 11 and / or the second piece 13 around the rivet 20 in step 103, once the rivet 20 has been made. set up and that he assembles the first piece 11 to the second piece 13.
- the processing unit 57 and control unit 58 then detect the positioning of the rivet 20, at the step 105. They also detect the surface state of the rivet 20, at the step 105.
- the control unit 58 compares the positioning of the detected rivet 20 to a reference positioning of the rivet 20 relative to the first workpiece 11 and relative to the second workpiece 13, at step 107.
- the control unit 58 compares the surface state of the rivet 20 at the reference surface state for the rivet 20.
- the control unit 58 can then validate the establishment of the rivet 20 if it has detected no defect related to the establishment of the rivet 20 such as a flush fault or a notch of the rivet 20.
- control unit 58 may detect a defect related to the placement of the rivet 20.
- the riveting tool and / or an operator may remove the defective rivet 20 to install a new one.
- step 109 the control unit 58 compares the positioning of the first rivet 20, that is to say the positioning and the surface condition of the first rivet 20, with the positioning and the state of the first rivet 20. surface of other rivets. In particular, it compiles statistics on the placement of rivets at step 111.
- an operator can be warned by the control system 50, at the step 113. In particular, an operator is warned about case of recurring defects in setting up rivets 20, to limit any subsequent errors.
- Steps 103, 105, 107, 111 and 113 together form a riveting inspection process that is performed once the rivet has been set in step 101.
- the riveting process 100 is reiterated with a second rivet 20 which is different from the first rivet. The process is reiterated until the first piece 11 is assembled by rivet crimping to the second piece 13.
- the image acquisition device 52 is configured to take images of the rivet 20 once it has been assembled to the first piece 11 and to the second piece 13, to quickly check its state and positioning, without disturbing the riveting.
- the image acquisition device 52 facilitates subsequent analysis of these images by the control unit 58 to conclude on the state and position of the rivet 20 once it is put in place.
- the plenoptic image acquisition device 52 has a limited space, which allows it to be housed in the barrel 42 and not to hinder the riveting operations.
- certain steps of the riveting process 100 can take place simultaneously.
- the step 105 for detecting the positioning and the surface condition of the rivet can be done simultaneously with the step 107 of comparing the positioning and the surface condition of the rivet 20.
- the step 105 of detecting the positioning and the surface condition of the rivet can be performed by the processing unit 57 simultaneously with the step 103 of taking pictures.
- Position detection and rivet state detection can be performed visually by an operator on the basis of the images taken by plenoptic image acquisition device 52, at least with respect to some rivets 20.
- the light source 56 is integrated with the plenoptic sensor
- control unit 58 is housed in the housing 43 of the plenoptic sensor 54.
- the displacement means 32 are configured to advance and / or retract the plenoptic image acquisition device 52 relative to its housing 43.
- the rivet insertion tool 66 is replaced by a rod insertion tool and a body insertion tool.
- the riveter 68 can form a single riveting tool with the rivet insertion tool 66.
- the shape of the riveter 68 is likely to vary, particularly if the rivet 20 is a rivet with rivets.
- the rivet 20 can be replaced by a solid rivet.
- the head 26 of the rivet may be curved, particularly if the rivet 20 is not likely to generate aerodynamic disturbance for the aircraft.
- the first piece 11 and the second piece 13 may be formed by different casing segments of the turbomachine 1.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Automatic Assembly (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1757206A FR3069467B1 (fr) | 2017-07-28 | 2017-07-28 | Procede de rivetage pour aeronef |
| PCT/FR2018/051935 WO2019020959A1 (fr) | 2017-07-28 | 2018-07-27 | Procédé de rivetage pour aéronef |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3641963A1 true EP3641963A1 (fr) | 2020-04-29 |
| EP3641963B1 EP3641963B1 (fr) | 2021-08-25 |
Family
ID=60020098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18755529.7A Active EP3641963B1 (fr) | 2017-07-28 | 2018-07-27 | Procédé de rivetage pour aéronef |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11052452B2 (fr) |
| EP (1) | EP3641963B1 (fr) |
| CN (1) | CN111050945B (fr) |
| FR (1) | FR3069467B1 (fr) |
| WO (1) | WO2019020959A1 (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3112706B1 (fr) | 2020-07-24 | 2022-07-22 | Safran | Procédé de contrôle d’un ensemble de fixation par rivet au moyen d’une caméra plénoptique |
| DE102020131086A1 (de) * | 2020-11-24 | 2022-05-25 | Broetje-Automation Gmbh | Verfahren zum Bearbeiten eines Flugzeugstrukturbauteils |
| CN113658127A (zh) * | 2021-08-12 | 2021-11-16 | 东北大学 | 一种基于机器学习的孔及铆接质量检测方法 |
| JP7780914B2 (ja) * | 2021-11-01 | 2025-12-05 | 三菱重工業株式会社 | 打鋲支援装置 |
| CN116630306B (zh) * | 2023-07-19 | 2023-10-20 | 成都信息工程大学 | 一种飞机半圆头铆钉的缺陷检测方法和装置 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1302258A1 (fr) * | 2001-10-11 | 2003-04-16 | Techspace Aero S.A. | Contrôle en temps réel de la qualité d'un assemblage par rivets |
| WO2006056255A2 (fr) * | 2004-11-19 | 2006-06-01 | Richard Bergner Verbindungstechnik Gmbh & Co. Kg | Main robotisee ainsi que procede de pose automatique d'un element |
| WO2006063630A1 (fr) * | 2004-12-16 | 2006-06-22 | Richard Bergner Verbindungstechnik Gmbh& Co Kg | Unite d'introduction et procede pour introduire un element dans une unite de traitement |
| US9032602B2 (en) * | 2011-07-15 | 2015-05-19 | The Boeing Company | Methods and systems for in-process quality control during drill-fill assembly |
| DE102011115819B4 (de) * | 2011-10-13 | 2013-07-04 | Premium Aerotec Gmbh | Nietvorrichtung, Verfahren und zugehörige Verwendung zur Bewerkstelligung einer Mehrzahl von Nietungen entlang der Oberfläche eines Werkstückes |
| CN202621816U (zh) * | 2012-04-01 | 2012-12-26 | 宾科精密部件(中国)有限公司 | 具有冲头位置偏移补偿功能的压铆装置 |
| JP2013224862A (ja) * | 2012-04-20 | 2013-10-31 | Mitsubishi Heavy Ind Ltd | 打鋲リベット検査装置及び打鋲リベット検査方法 |
| CN103240381A (zh) * | 2013-04-19 | 2013-08-14 | 南车眉山车辆有限公司 | 汽车飞机用单面铆接方法及沉头单面拉铆钉 |
| ITBO20130687A1 (it) * | 2013-12-13 | 2015-06-14 | Aea Srl | Dispositivo e metodo per verificare il corretto montaggio di un organo di collegamento avente una testa, rispetto ad una superficie di montaggio |
| DE102014106312A1 (de) * | 2014-05-06 | 2015-11-12 | Broetje-Automation Gmbh | Verfahren zum Prüfen eines Niets |
| DE102014108629A1 (de) * | 2014-06-18 | 2015-12-24 | Brötje-Automation GmbH | Fertigungssystem |
| US9797716B2 (en) * | 2015-01-09 | 2017-10-24 | Ricoh Company, Ltd. | Estimating surface properties using a plenoptic camera |
| EP3288711B1 (fr) * | 2015-04-30 | 2021-02-24 | BAE Systems PLC | Inspection de caractéristiques percées dans des objets |
| CN105136048A (zh) * | 2015-08-24 | 2015-12-09 | 成都飞机工业(集团)有限责任公司 | 检测飞机蒙皮铆接装配表面质量的方法 |
| CN204975930U (zh) * | 2015-10-08 | 2016-01-20 | 中国航空工业集团公司北京航空制造工程研究所 | 一种用于飞机装配的多功能执行器 |
| CN106938315B (zh) * | 2017-03-02 | 2018-11-20 | 上海交通大学 | 一种飞机气动铆接质量在线检测装置及检测方法 |
-
2017
- 2017-07-28 FR FR1757206A patent/FR3069467B1/fr not_active Expired - Fee Related
-
2018
- 2018-07-27 WO PCT/FR2018/051935 patent/WO2019020959A1/fr not_active Ceased
- 2018-07-27 EP EP18755529.7A patent/EP3641963B1/fr active Active
- 2018-07-27 US US16/633,674 patent/US11052452B2/en not_active Expired - Fee Related
- 2018-07-27 CN CN201880054299.5A patent/CN111050945B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| FR3069467A1 (fr) | 2019-02-01 |
| FR3069467B1 (fr) | 2019-08-30 |
| US11052452B2 (en) | 2021-07-06 |
| WO2019020959A1 (fr) | 2019-01-31 |
| CN111050945B (zh) | 2021-12-31 |
| US20210154727A1 (en) | 2021-05-27 |
| CN111050945A (zh) | 2020-04-21 |
| EP3641963B1 (fr) | 2021-08-25 |
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