Device and method for detecting relative poses of two different large-size cover bodies of airplane

Abstract

The invention discloses a relative pose detection device and method for two different large-size cover bodies of an airplane, in the device, an appearance base is of a T-shaped structure, the side end face of the T-shaped top of the appearance base is flush with the butt joint end face of the 1 # large-size cover body, and the upper end face of the T-shaped top is provided with a positioning hole corresponding to a connecting hole of the 1 # large-size cover body; an appearance base used for aligning opposite end faces is connected with a first large-size cover body in a positioning mode, and a suction cup support and sliding blocks located on the two sides of the suction cup support are fixedly installed on the upper end face of the appearance base in the butt joint direction. A guide rail is slidably installed in the butt joint direction through sliding blocks on the two sides, and a 1 # distance measuring sensor installed on the upper end face of the appearance base is located on one side of the guide rail. The sliding piece body is of a flat plate type structure, is fixedly connected with the guide rail in the butt joint direction and slides on the upper end face of the appearance base in the butt joint direction through the guide rail and the sliding block, the end face of the side, close to the butt joint area, of the sliding piece body is fixedly connected with the second distance measuring sensor, and the other end of the sliding piece body is provided with an elbow protruding out of one side edge. The first distance measuring sensor is matched with the first distance measuring sensor to measure the sliding distance of the slider body; the suction cup support is of a U-shaped structure, is fixedly connected with the upper end face of the appearance base through the bottom end face of the U-shaped structure, is fixedly connected with one suction cup through the outer end faces of the two side walls of the U-shaped structure respectively, and is used for sucking the 1 # large-size cover body through the suction cups on the two sides after the appearance base is positioned and installed, so that the positions of the appearance base and the 1 # large-size cover body are kept.

Description

Technical Field

[0001] The present invention relates to the field of aircraft assembly manufacturing technology, but is not limited thereto, and in particular to a relative posture detection device and method for two aircraft covers of different large sizes. Background Art

[0002] The relative posture detection of two different large-sized covers on an aircraft is a necessary step before the two different large-sized covers are connected and assembled. The data such as the appearance parameters, seam gap and horizontal posture obtained by the detection are important supports for guiding the connection of different large components and are important means to ensure the accuracy of the relative posture relationship between different large components.

[0003] The traditional relative posture detection method for two different large-sized covers on an aircraft mainly uses laser measurement and test docking methods for detection. The laser measurement method can accurately identify the shape, end face and horizontal posture data of the large-sized cover, and can quickly guide the software algorithm and attitude adjustment mechanism to achieve the posture adjustment of the large component. However, its disadvantages are high cost and the need for repeated operations by personnel during the process, which places extremely high requirements on personnel accessibility. Most working conditions even require stepping on the surface of the large-sized cover product, causing product deformation and affecting measurement accuracy. In addition, operators constantly switch positions without ensuring safety measures, which poses a great safety risk. However, the test docking method, due to the lack of accurate data support, the docking process is repeated continuously, and personnel go back and forth to visually inspect various parts of the large component, which is extremely inefficient and greatly affects the docking quality and production progress. Summary of the invention

[0004] Purpose of the invention: In order to solve the above-mentioned technical problems, the embodiments of the present invention provide a relative posture detection device and method for two different large-sized covers on an aircraft, so as to solve the problems that the traditional relative posture detection method for two different large-sized covers on an aircraft has high cost, extremely high requirements on personnel accessibility, and great safety risks in the laser measurement method, and the test docking method has extremely low efficiency, which greatly affects the docking quality and production progress.

[0005] Technical solution of the present invention: In the first aspect, the embodiment of the present invention provides a relative posture detection device for two different large-sized covers of an aircraft, comprising: an outer base 6, a slide body 1, a guide rail 7, a 1# distance sensor 2, a 2# distance sensor 3, a suction cup support 5, a suction cup 4, and a limit stop pin 12;

[0006] The outer base 6 is a T-shaped structure, and the side end face of the T-shaped top of the outer base 6 is flush with the docking end face of the 1# large-size cover body 9. A positioning hole corresponding to the connection hole of the 1# large-size cover body 9 is provided on the upper end face of the T-shaped top, and the outer base 6 and the 1# large-size cover body 9 are used to be positioned and connected with the end faces aligned. The upper end face of the outer base 6 is fixedly installed with a suction cup support 5 and sliders located on both sides of the suction cup support 5 along the docking direction; and the guide rail 7 is slidably installed in the docking direction through the sliders on both sides, and the 1# distance measuring sensor 2 installed on the upper end face of the outer base 6 is located on one side of the guide rail 7;

[0007] The slide body 1 is set as a flat plate structure, the slide body 1 is fixedly connected to the guide rail 7 in the docking direction, and slides along the docking direction on the upper end surface of the outer base 6 through the guide rail 7 and the slider. A 2# distance sensor 3 is fixedly connected to one end surface of the slide body 1 close to the docking area, and an elbow protruding from one side is set at the other end, which is used to cooperate with the 1# distance sensor 2 to measure the sliding distance of the slide body 1;

[0008] The suction cup support 5 is set as a U-shaped structure, and is fixedly connected to the upper end surface of the outer base 6 through the bottom end surface of the U-shaped structure, and a suction cup 4 is fixedly connected to the outer end surfaces of the two side walls of the U-shaped structure respectively, and is used for adsorbing the 1# large-size cover body 9 through the suction cups 4 on both sides after the outer base 6 is positioned and installed, so as to maintain the position of the outer base 6 and the 1# large-size cover body 9.

[0009] Optionally, in the relative posture detection device for two different large-sized covers of an aircraft as described above, the direction of the laser beam of the 1# ranging sensor 2 is consistent with the sliding direction of the slider 1. When the slider 1 of the relative posture detection device installed on the 1# large-sized cover 9 slides close to the 2# large-sized cover 10, the 1# ranging sensor 2 measures the sliding distance in real time and provides real-time feedback on the posture of the 1# large-sized cover 9 and the 2# large-sized cover 10 in the docking direction.

[0010] Optionally, in the relative posture detection device for two different large-sized covers of an aircraft as described above, the theoretical posture states of the 1# large-sized cover 9 and the 2# large-sized cover 10 can be simulated at any position within the travel range through the sliding of the slider 1 along the guide rail 7 and the real-time feedback of the sliding distance, and the 2# ranging sensor 3 is used to measure the outer contour data of the 2# large-sized cover 10 in real time to judge the relative posture relationship between the 1# large-sized cover 9 and the 2# large-sized cover 10.

[0011] Optionally, in the above-mentioned relative posture detection device for two aircraft covers of different sizes,

[0012] The lower end surface of the outer base 6 is provided with bottom bosses at the three ends of the T-shaped structure, and the three bottom bosses are consistent with the local shape of the 1# large-size cover body 9, and a fitting assembly form is formed by positioning and installing the outer base 6 and the 1# large-size cover body 9;

[0013] A groove is provided in the middle area of ​​the lower end surface of the outer shape base 6 , and the end surface of the groove is parallel to the upper end surface of the outer shape base 6 .

[0014] Optionally, the relative posture detection device for two aircraft covers of different sizes as described above further includes: a handle 8;

[0015] The handle 8 is fixedly arranged on the upper end surface of the slider body 1 and is used to operate the slider body 1 and the guide rail 7 to slide along the docking direction.

[0016] Optionally, in the above-mentioned relative posture detection device for two aircraft covers of different sizes,

[0017] A plurality of sets of relative posture detection devices are installed along the circumferential direction of the 1# large-size cover body 9 on one side of its docking end face, and the 2# large-size cover body 10 is fixedly placed; the theoretical docking state of the 1# large-size cover body 9 and the 2# large-size cover body 10 is simulated by each set of relative posture detection devices installed on the 1# large-size cover body 9, and the docking end face and docking area shape of the 2# large-size cover 10 are measured.

[0018] Optionally, in the above-mentioned relative posture detection device for two aircraft covers of different sizes,

[0019] A limit boss protruding from one side is arranged in the middle area of ​​the upper end surface of the sliding body 1 in each group of relative posture detection devices, and a limit stop pin 12 is installed in the hole of the limit boss; it is used to adjust the spacing around the butt end surface of the 1# large-size cover body 9 and the 2# large-size cover body 10 by abutting against the butt end surface of the 2# large-size cover body 10 through a plurality of circumferentially arranged limit stop pins 12 in the process of sliding toward the side of the 2# large-size cover body 10 respectively through a plurality of groups of relative posture detection devices.

[0020] In a second aspect, an embodiment of the present invention further provides a relative posture detection method for two different large-sized covers of an aircraft, wherein a plurality of relative posture detection devices for two different large-sized covers of an aircraft provided in any one of the above items are used to perform a relative posture detection method on two different large-sized covers of an aircraft, comprising:

[0021] A plurality of relative posture detection devices are used to be installed along the circumferential direction of the 1# large-size cover body 9 on one side of its docking end face, and the 2# large-size cover body 10 is fixedly placed; the theoretical docking state of the 1# large-size cover body 9 and the 2# large-size cover body 10 is simulated by each relative posture detection device installed circumferentially on the 1# large-size cover body 9, and the docking end face and the docking area shape of the 2# large-size cover 10 are measured to form actual relative posture data, and after comparing the measured relative posture data with the theoretical posture data, the data are converted into the movement amounts in the three directions of X, Y, and Z of the plurality of posture adjustment mechanisms used to drive the 1# large-size cover body 9 to move to the theoretical docking position.

[0022] Optionally, the relative posture detection method for two aircraft covers of different sizes as described above specifically comprises the following steps:

[0023] Step 1, fix and clamp the 2# large-size cover 10 on a special tooling, put it on the rack and roughly locate the position of the 1# large-size cover body 9, move the 1# large-size cover body 9 to a distance of 75 mm from the 2# large-size cover body, and install multiple sets of relative posture detection devices along the circumferential direction at the docking end of the 1# large-size cover body 9, each relative posture detection device is positioned through the docking hole of the 1# large-size cover body 9, and is fixed by suction by the suction cup 4;

[0024] Step 2, slide the sliders 1 on the multiple groups of relative posture detection devices respectively along the docking direction, so that the limit stop pins 12 on the sliders 1 contact the docking end faces of the 2# large-size cover body 10, and use the 1# distance measuring sensor 2 to measure the moving distance of each slider 1 in the docking direction, and feed back the moving distance value of each slider 1 to the host computer, calculate the movement amounts of the multiple groups of posture adjustment mechanisms used to drive the 1# large-size cover body 9 to move in the three directions of X, Y, and Z, and drive the 1# large-size cover body 9 to move with the calculated movement amounts until the docking end faces of the 1# large-size cover body 9 and the 2# large-size cover body 10 are parallel, and the two docking end faces have a preset distance; wherein the docking direction is set to the X direction;

[0025] Step 3, move the slider 1 on the multiple sets of relative posture detection devices along the docking direction, and limit the slider 1 after moving the preset spacing to simulate the actual docking state of the large-size cover 9 and the 2# large-size cover 10, and use the 2# distance measuring sensors 3 on the multiple sets of relative posture detection devices to respectively measure the shape data of the 2# large-size cover 10 at the current position, and feed the shape data back to the host computer, calculate the movement amount of the multiple sets of posture adjustment mechanisms used to drive the 1# large-size cover 9 to move in the Y and Z directions, and drive the 1# large-size cover 9 to move with the calculated movement amount, until the measured shape data of the multiple 2# large-size cover 10 are within the tolerance range of the theoretical shape data;

[0026] Step 4, drive the 1# large-size cover body 9 to move to the theoretical position of the docking end face of the 2# large-size cover body 10 along the docking direction through multiple sets of posture adjustment mechanisms, so that the 1# large-size cover body 9 and the 2# large-size cover body 10 can be docked at the docking end faces, completing the relative posture detection of the 1# large-size cover body 9 and the 2# large-size cover body 10.

[0027] Beneficial effects of the present invention: The embodiment of the present invention provides a relative posture detection device and method for two different large-sized covers of an aircraft, wherein a plurality of relative posture detection devices are installed along the circumferential direction of the 1# large-sized cover 9 on one side of its docking end face, and the 2# large-sized cover 10 is fixedly placed; each group of relative posture detection devices installed circumferentially on the 1# large-sized cover 9 simulates the theoretical docking state of the 1# large-sized cover 9 and the 2# large-sized cover 10, and measures the docking end face and docking area shape of the 2# large-sized cover 10 to form actual relative posture data, and after comparing the measured relative posture data with the theoretical posture data, it is converted into the movement amount in the three directions of X, Y, and Z of multiple groups of posture adjustment mechanisms for driving the 1# large-sized cover 9 to move to the theoretical docking position. The advantages of the technical solution provided by the present invention include:

[0028] First, the positioning hole, the positioning pin and the outer shape of the cover are used to form a reference positioning, and the vacuum suction cup 4 is fixedly adsorbed on the movable cover, so that the relative posture detection device can always maintain the detection state;

[0029] Second, a distance measuring sensor is used to perform real-time dynamic measurement to implement detection, so that the relative position relationship between two different large-sized covers can be grasped at any time during the docking process;

[0030] Third, the detection method performed by the relative posture detection device avoids the reciprocating operation of personnel during the docking process, reduces the impact of personnel stepping on product quality, and reduces safety risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings are used to provide a further understanding of the technical solution of the present invention and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the technical solution of the present invention and do not constitute a limitation on the technical solution of the present invention.

[0032] Figure 1 A schematic diagram of the overall structure of a device for detecting relative posture of two covers of different sizes for an aircraft provided by an embodiment of the present invention;

[0033] Figure 2 for Figure 1 An exploded view of a relative posture detection device for two different large-sized covers of an aircraft provided in the illustrated embodiment;

[0034] Figure 3 To adopt Figure 1A schematic diagram of the installation and use of multiple sets of relative posture detection devices provided in the illustrated embodiment;

[0035] Figure 4 A schematic diagram of two aircraft covers of different sizes in a 75mm pre-docking position when the relative position detection device provided by an embodiment of the present invention is used to perform relative position detection;

[0036] Figure 5 A schematic diagram of the theoretical postures of two different large-sized covers of an aircraft when the relative posture detection device provided by an embodiment of the present invention is used to perform relative posture detection.

[0037] Description of reference numerals:

[0038] 1. Sliding body; 2. 1# distance measuring sensor; 3. 2# distance measuring sensor; 4. Suction cup; 5. Suction cup support; 6. Outer base; 7. Guide rail; 8. Handle; 9. 1# large-size cover; 10. 2# large-size cover; 11. Relative position detection device; 12. Limit stop pin. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other arbitrarily without conflict.

[0040] The above background technology has already explained the necessity of relative posture detection before docking and assembling two different large-sized covers on an aircraft, as well as the traditional relative posture detection method for two different large-sized covers. On the one hand, the laser measurement method has high costs and extremely high requirements on personnel accessibility, and most working conditions even require stepping on the surface of the large-sized cover product, causing product deformation and affecting measurement accuracy, and there are great safety risks. On the other hand, in the test docking method, the docking process is constantly repeated, and there are problems such as extremely low efficiency, which greatly affects the docking quality and production progress.

[0041] As the size of aircraft models continues to grow, the demand for docking of covers of different large sizes continues to increase, and the shortcomings of the above two methods are becoming more and more obvious. In response to the above problems, an embodiment of the present invention provides a relative posture detection device and method for two covers of different large sizes of aircraft. The relative posture detection device is used to perform a relative posture detection method on two covers of different large sizes of aircraft, which can meet the requirements of relative posture inspection of covers of different large sizes while avoiding reciprocating operations of personnel during the docking process to identify the relative posture conditions of the two covers of different large sizes, thereby increasing the detection frequency of relative posture data of the two covers of different large sizes of aircraft and reducing the reciprocating operations of personnel during the process.

[0042] The present invention provides the following specific embodiments which can be combined with each other. The same or similar concepts or processes may not be described in detail in some embodiments.

[0043] Figure 1 A schematic diagram of the overall structure of a device for detecting relative posture of two covers of different sizes for an aircraft provided by an embodiment of the present invention; Figure 2 for Figure 1 The embodiment shown is an exploded view of a device for detecting relative posture of two different large-sized covers of an aircraft. Figure 1 and Figure 2 As shown, the relative posture detection device provided by the embodiment of the present invention includes: an outer base 6, a slide body 1, a guide rail 7, a 1# distance measuring sensor 2, a 2# distance measuring sensor 3, a suction cup support 5, a suction cup 4, and a limit stop pin 12.

[0044] like Figure 1 and Figure 2 In the structure of the relative posture detection device shown, the outer base 6 is a T-shaped structure, and the side end face of the T-shaped top of the outer base 6 is flush with the docking end face of the 1# large-size cover body 9, and a positioning hole corresponding to the connecting hole of the 1# large-size cover body 9 is provided on the upper end face of the T-shaped top, so as to position and connect the outer base 6 and the 1# large-size cover body 9 with the end faces aligned, and a suction cup support 5 and sliders located on both sides of the suction cup support 5 are fixedly installed on the upper end face of the outer base 6 along the docking direction; and the guide rail 7 is slidably installed in the docking direction by the sliders on both sides, and the 1# ranging sensor 2 installed on the upper end face of the outer base 6 is located on one side of the guide rail 7.

[0045] The slider body 1 in the embodiment of the present invention is configured as a flat plate-like structure, the slider body 1 is fixedly connected to the guide rail 7 in the docking direction, and slides along the docking direction on the upper end surface of the outer base 6 through the guide rail 7 and the slider, and a 2# distance measuring sensor 3 is fixedly connected to one end surface of the slider body 1 close to the docking area, and an elbow protruding from one side is provided at the other end, which is used to cooperate with the 1# distance measuring sensor 2 to measure the sliding distance of the slider body 1.

[0046] The suction cup support 5 in the embodiment of the present invention is configured as a U-shaped structure, which is fixedly connected to the upper end surface of the outer base 6 through the bottom end surface of the U-shaped structure, and a suction cup 4 is fixedly connected to the outer end surfaces of the two side walls of the U-shaped structure respectively, and is used for adsorbing the 1# large-size cover body 9 through the suction cups 4 on both sides after the outer base 6 is positioned and installed, so as to maintain the position of the outer base 6 and the 1# large-size cover body 9.

[0047] In one implementation of the embodiment of the present invention, the direction of the laser beam of the 1# ranging sensor 2 is consistent with the sliding direction of the slider body 1. When the slider body 1 of the relative posture detection device installed on the 1# large-size cover body 9 slides close to the 2# large-size cover body 10, the 1# ranging sensor 2 measures the sliding distance in real time and provides real-time feedback on the posture of the 1# large-size cover body 9 and the 2# large-size cover body 10 in the docking direction.

[0048] In one implementation of the embodiment of the present invention, through the sliding of the slider 1 along the guide rail 7 and the real-time feedback of the sliding distance, the theoretical posture state of the 1# large-size cover body 9 and the 2# large-size cover body 10 can be simulated at any position within the travel range of the slider 1, and the 2# ranging sensor 3 is used to measure the outer contour data of the 2# large-size cover body 10 in real time to judge the relative posture relationship between the 1# large-size cover body 9 and the 2# large-size cover body 10.

[0049] In one implementation of an embodiment of the present invention, the lower end surface of the outer base 6 is provided with bottom bosses at the three ends of the T-shaped structure, the three bottom bosses are consistent with the local shape of the 1# large-size cover body 9, and a fitting assembly form is formed by positioning and installing the outer base 6 and the 1# large-size cover body 9.

[0050] In this implementation, a groove is provided in the middle area of ​​the lower end surface of the outer shape base 6 , and the end surface of the groove is parallel to the upper end surface of the outer shape base 6 .

[0051] In one implementation of the embodiment of the present invention, the relative posture detection device further includes: a handle 8; the handle 8 is fixedly disposed on the upper end surface of the slider body 1, and is used to operate the slider body 1 and the guide rail 7 to slide along the docking direction.

[0052] It should be noted that, in actual use, the relative posture detection device for two different large-sized covers of an aircraft provided by the embodiment of the present invention usually uses multiple sets of relative posture detection devices to perform relative posture detection on the two different large-sized covers of an aircraft during the docking process, such as Figure 3 As shown, the Figure 1 A schematic diagram of the installation and use of multiple sets of relative posture detection devices provided in the illustrated embodiment.

[0053] In the specific implementation, multiple sets of relative posture detection devices are installed along the circumferential direction of the 1# large-size cover body 9 on one side of its docking end face, and the 2# large-size cover body 10 is fixedly placed; the theoretical docking state of the 1# large-size cover body 9 and the 2# large-size cover body 10 is simulated by each set of relative posture detection devices installed on the 1# large-size cover body 9, and the docking end face and docking area shape of the 2# large-size cover 10 are measured.

[0054] In the specific implementation, a limit boss protruding from one side is provided in the middle area of ​​the upper end surface of the sliding body 1 in each group of relative posture detection devices, and a limit stop pin 12 is installed in the hole of the limit boss; it is used to adjust the spacing around the butt end surface of the 1# large-size cover body 9 and the 2# large-size cover body 10 by abutting against the butt end surface of the 2# large-size cover body 10 through a plurality of circumferentially arranged limit stop pins 12 in the process of sliding toward one side of the 2# large-size cover body 10 through a plurality of groups of relative posture detection devices.

[0055] Based on the relative posture detection device for two different large-sized covers of an aircraft provided by the above embodiments of the present invention, an embodiment of the present invention further provides a relative posture detection method for two different large-sized covers of an aircraft, specifically: using the relative posture detection device for two different large-sized covers of an aircraft provided by multiple embodiments to perform a relative posture detection method on two different large-sized covers of an aircraft, the relative posture detection method is:

[0056] A plurality of relative posture detection devices are used to be installed along the circumferential direction of the 1# large-size cover body 9 on one side of its docking end face, and the 2# large-size cover body 10 is fixedly placed; the theoretical docking state of the 1# large-size cover body 9 and the 2# large-size cover body 10 is simulated by each relative posture detection device installed circumferentially on the 1# large-size cover body 9, and the docking end face and the docking area shape of the 2# large-size cover 10 are measured to form actual relative posture data, and after comparing the measured relative posture data with the theoretical posture data, the data are converted into the movement amounts in the three directions of X, Y, and Z of the plurality of posture adjustment mechanisms used to drive the 1# large-size cover body 9 to move to the theoretical docking position.

[0057] Figure 4 A schematic diagram of two aircraft covers of different sizes in a 75mm pre-docking position when the relative position detection device provided by an embodiment of the present invention is used to perform relative position detection; Figure 5 This is a schematic diagram of the theoretical postures of two different large-sized covers of an aircraft when the relative posture detection device provided by an embodiment of the present invention is used to perform relative posture detection. Figure 4 and Figure 5 As shown, in a specific implementation, the relative posture detection method provided by the embodiment of the present invention is characterized in that it specifically includes the following steps:

[0058] Step 1, fix and clamp the 2# large-size cover 10 on a special tooling, put it on the rack and roughly locate the position of the 1# large-size cover body 9, move the 1# large-size cover body 9 to a distance of 75 mm from the 2# large-size cover body, and install multiple sets of relative posture detection devices 11 along the circumferential direction at the docking end of the 1# large-size cover body 9, each relative posture detection device 11 is positioned through the docking hole of the 1# large-size cover body 9, and is fixed by suction by the suction cup 4;

[0059] Step 2, slide the sliders 1 on the multiple groups of relative posture detection devices 11 respectively along the docking direction, so that the limit stop pins 12 on the sliders 1 contact the docking end faces of the 2# large-size cover body 10, and use the 1# distance measuring sensor 2 to measure the moving distance of each slider 1 in the docking direction, and feed back the moving distance value of each slider 1 to the host computer, calculate the movement amounts of the multiple groups of posture adjustment mechanisms used to drive the 1# large-size cover body 9 to move in the three directions of X, Y, and Z, and drive the 1# large-size cover body 9 to move with the calculated movement amounts until the docking end faces of the 1# large-size cover body 9 and the 2# large-size cover body 10 are parallel, and the two docking end faces have a preset distance; wherein the docking direction is set to the X direction;

[0060] Step 3, move the slider 1 on the multiple sets of relative posture detection devices 11 along the docking direction, and limit the slider 1 after moving the preset spacing to simulate the actual docking state of the large-size cover 9 and the 2# large-size cover 10, and use the 2# distance measuring sensors 3 on the multiple sets of relative posture detection devices 11 to respectively measure the shape data of the 2# large-size cover 10 at the current position, and feed the shape data back to the host computer, calculate the movement amount of the multiple sets of posture adjustment mechanisms used to drive the 1# large-size cover 9 to move in the Y and Z directions, and drive the 1# large-size cover 9 to move with the calculated movement amount, until the measured shape data of the multiple 2# large-size cover 10 are within the tolerance range of the theoretical shape data;

[0061] Step 4, drive the 1# large-size cover body 9 to move to the theoretical position of the docking end face of the 2# large-size cover body 10 along the docking direction through multiple sets of posture adjustment mechanisms, so that the 1# large-size cover body 9 and the 2# large-size cover body 10 can be docked at the docking end faces, completing the relative posture detection of the 1# large-size cover body 9 and the 2# large-size cover body 10.

[0062] The relative posture detection device and method for two different large-sized covers of an aircraft provided in an embodiment of the present invention adopts a plurality of relative posture detection devices to be installed along the circumferential direction of the 1# large-sized cover 9 on one side of its docking end face, and the 2# large-sized cover 10 is fixedly placed; each group of relative posture detection devices installed circumferentially on the 1# large-sized cover 9 simulates the theoretical docking state of the 1# large-sized cover 9 and the 2# large-sized cover 10, and measures the docking end face and docking area shape of the 2# large-sized cover 10 to form actual relative posture data, and after comparing the measured relative posture data with the theoretical posture data, it is converted into the movement amount of multiple groups of posture adjustment mechanisms in the three directions of X, Y, and Z for driving the 1# large-sized cover 9 to move to the theoretical docking position. The advantages of the technical solution provided by the present invention include:

[0063] First, the positioning hole, the positioning pin and the outer shape of the cover are used to form a reference positioning, and the vacuum suction cup 4 is fixedly adsorbed on the movable cover, so that the relative posture detection device can always maintain the detection state;

[0064] Second, a distance measuring sensor is used to perform real-time dynamic measurement to implement detection, so that the relative position relationship between two different large-sized covers can be grasped at any time during the docking process;

[0065] Third, the detection method performed by the relative posture detection device avoids the reciprocating operation of personnel during the docking process, reduces the impact of personnel stepping on product quality, and reduces safety risks.

[0066] The following is a schematic illustration of an implementation example of the device and method for detecting relative posture of two covers of different sizes on an aircraft provided by an embodiment of the present invention.

[0067] Implementation Example

[0068] refer to Figures 1 to 5 As shown, an embodiment of the present invention provides a relative posture detection device for two different large-sized covers of an aircraft, including: an outer base 6, a slide body 1, a guide rail 7, a 1# ranging sensor 2, a 2# ranging sensor 3, a suction cup support 5, a suction cup 4, a limit stop pin 12, and a handle 8.

[0069] In this implementation example, the outer base 6 is a T-shaped structure, and the T-shaped end face is flush with the end face of the 1# large-size cover body 9. A positioning hole corresponding to the connection hole of the 1# large-size cover body 9 is arranged on the T-shaped end face. The upper surface of the outer base 6 is a plane parallel to the X direction, and the guide rail 7 slider parallel to the X direction is connected on the plane to connect the 1# distance measuring sensor 2 and the suction cup support 5. The three ends of the lower surface of the outer base 6 are consistent with and fit with the local shape of the 1# large-size cover body 9. A groove is provided in the middle area of ​​the lower end face of the outer base 6, and the end face of the groove is parallel to the upper end face of the outer base 6. The sliding body 1 is a flat plate structure, which is connected to the outer base 6 through the guide rail 7. One end near the docking area is connected to the 2# distance measuring sensor 3, and the other end is provided with an elbow to cooperate with the 1# distance measuring sensor 2 to measure the sliding distance. A limiting structure is arranged in the middle area, and the upper surface is connected to the handle 8. The suction cup support 5 is a U-shaped structure, the bottom surface is connected to the upper surface of the outer base 6, and the left and right outer end surfaces are connected to the suction cup 4 structure.

[0070] In this implementation example, when the slider 1 installed on the 1# large-size cover body 9 slides close to the 2# large-size cover body 10, the 1# distance sensor 2 measures the sliding distance in real time and immediately feeds back the X-axis position of the 1# and 2# large-size cover bodies 10.

[0071] Through the real-time feedback of the sliding of the slider 1 along the X-direction and the sliding distance, the theoretical posture state of the 1# and 2# large-size cover bodies 10 can be simulated at any position within the travel range, and the 2# ranging sensor 3 is used to measure the outer contour data of the 2# large-size cover body 10 to judge the posture relationship of the 1# and 2# large-size cover bodies 10.

[0072] In this implementation example, the relative posture detection device is used to perform a relative posture detection method on two different large-sized covers of an aircraft, including the following steps:

[0073] 1) Fix the 2# large-size cover body 10 on a special tooling, put on the rack and roughly position the 1# large-size cover body 9, move the 1# large-size cover body 9 to a distance of 75 mm from the docking end face of the 2# large-size cover body 10, and install 6 sets of relative posture detection devices 10 around the docking area of ​​the 1# large-size cover body 9. The relative posture detection device 10 is positioned using the docking hole of the 1# large-size cover body 9, and fixed by suction using the suction cup 4.

[0074] 2) Slide the 6 sets of sliders 1 on the relative posture detection devices 10 respectively along the docking direction, so that the limit stop pin 12 on the slider 1 contacts the docking end surface of the 2# large-size cover body 10, and simultaneously use the 1# distance measuring sensor 2 to measure the X-direction movement distance of each slider 1, and feed the distance value back to the control software program, calculate the movement amount of the 4 sets of posture adjustment mechanisms that drive the 1# large-size cover body 9 to move in the X, Y, and Z directions, and drive manually until the docking areas of the 1# and 2# large-size cover bodies 10 are parallel to each other with a spacing of 75 mm.

[0075] 3) Move the slider 1 on the 6 sets of relative posture detection devices 10 again along the docking direction, move 75mm and limit it to simulate the actual docking state of the 1# and 2# large-size cover bodies 10, and use the 2# distance measuring sensors 3 on the 6 sets of relative posture detection devices 10 to measure the shape data of the 2# large-size cover body 10 at this position respectively, and feed the distance value back to the control software program, calculate the movement amount in the Y and Z directions of the 4 sets of posture adjustment mechanisms that drive the 1# large-size cover body 9 to move, and drive it manually until the actual measured shape data of the 2# large-size cover body 10 at the 6 locations are within the tolerance range of the theoretical data.

[0076] 4) The 1# large-size cover body 9 is driven along the docking direction to the theoretical distance from the 2# large-size cover body 10 by four groups of posture adjustment mechanisms, and the relative posture detection of the 1# and 2# large-size cover bodies 10 is completed.

[0077] Although the embodiments disclosed in the present invention are as above, the contents are only embodiments adopted to facilitate understanding of the present invention and are not intended to limit the present invention. Any technician in the field to which the present invention belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the present invention, but the patent protection scope of the present invention shall still be subject to the scope defined in the attached claims.

Claims

1. A relative posture detection device for two aircraft covers of different sizes, characterized in that: include: An outer base (6), a sliding body (1), a guide rail (7), a 1# distance measuring sensor (2), a 2# distance measuring sensor (3), a suction cup support (5), a suction cup (4), and a limit stop pin (12); The outer base (6) is a T-shaped structure, the T-shaped top side end face of the outer base (6) is flush with the docking end face of the 1# large-size cover (9), and a positioning hole corresponding to the connection hole of the 1# large-size cover (9) is arranged on the upper end face of the T-shaped top, so as to position and connect the outer base (6) and the 1# large-size cover (9) with the end faces aligned, and a suction cup support (5) and sliders located on both sides of the suction cup support (5) are fixedly installed on the upper end face of the outer base (6) along the docking direction; and a guide rail (7) is slidably installed in the docking direction by means of the sliders on both sides, and the 1# distance measuring sensor (2) installed on the upper end face of the outer base (6) is located on one side of the guide rail (7); The slide body (1) is configured as a flat plate structure. The slide body (1) is fixedly connected to the guide rail (7) in the docking direction. The slide body (1) slides along the docking direction on the upper end surface of the outer base (6) through the guide rail (7) and the slider. A 2# distance measuring sensor (3) is fixedly connected to one end surface of the slide body (1) close to the docking area. The other end is provided with an elbow protruding from one side, which is used to cooperate with the 1# distance measuring sensor (2) to measure the sliding distance of the slide body (1). The suction cup support (5) is configured as a U-shaped structure, and is fixedly connected to the upper end surface of the outer base (6) through the bottom end surface of the U-shaped structure, and is fixedly connected to a suction cup (4) through the outer end surfaces of the two side walls of the U-shaped structure, respectively, and is used for adsorbing the 1# large-size cover body (9) through the suction cups (4) on both sides after the outer base (6) is positioned and installed, so as to maintain the position of the outer base (6) and the 1# large-size cover body (9).

2. The relative posture detection device for two aircraft covers of different sizes according to claim 1 is characterized in that: The direction of the laser beam of the 1# distance measuring sensor (2) is consistent with the sliding direction of the sliding body (1). When the sliding body (1) installed on the 1# large-sized cover body (9) relative to the posture detection device slides close to the 2# large-sized cover body (10), the 1# distance measuring sensor (2) measures the sliding distance in real time and provides real-time feedback on the posture of the 1# large-sized cover body (9) and the 2# large-sized cover body (10) in the docking direction.

3. The relative posture detection device for two aircraft covers of different sizes according to claim 1 is characterized in that: The sliding of the slider (1) along the guide rail (7) and the real-time feedback of the sliding distance are used to simulate the theoretical position and posture state of the 1# large-sized cover body (9) and the 2# large-sized cover body (10) at any position within the travel range of the slider (1), and the 2# distance measuring sensor (3) is used to measure the contour data of the 2# large-sized cover body (10) in real time to judge the relative position and posture relationship between the 1# large-sized cover body (9) and the 2# large-sized cover body (10).

4. The relative posture detection device for two aircraft covers of different sizes according to claim 1, characterized in that: The lower end surface of the outer shape base (6) is provided with bottom bosses at the three ends of the T-shaped structure, the three bottom bosses are consistent with the local shape of the 1# large-size cover body (9), and a fitting assembly form is formed by positioning and installing the outer shape base (6) and the 1# large-size cover body (9); A groove is provided in the middle area of ​​the lower end surface of the outer shape base (6), and the end surface of the groove is parallel to the upper end surface of the outer shape base (6).

5. The relative posture detection device for two aircraft covers of different sizes according to claim 1, characterized in that: Also includes: a handle (8); The handle (8) is fixedly arranged on the upper end surface of the slide body (1) and is used to operate the slide body (1) and the guide rail (7) to slide along the docking direction.

6. The relative posture detection device for two aircraft covers of different sizes according to any one of claims 1 to 5, A plurality of sets of relative position and posture detection devices are installed along the circumference of the 1# large-sized cover body (9) on one side of its butt joint end face, and the 2# large-sized cover body (10) is fixedly placed; the theoretical butt joint state of the 1# large-sized cover body (9) and the 2# large-sized cover body (10) is simulated by each set of relative position and posture detection devices installed on the 1# large-sized cover body (9), and the butt joint end face and the outer shape of the butt joint area of ​​the 2# large-sized cover body 10 are measured.

7. The relative posture detection device for two aircraft covers of different sizes according to claim 6 is characterized in that: A limiting boss protruding from one side is arranged in the middle area of ​​the upper end surface of the sliding body (1) in each group of relative posture detection devices, and a limiting stop pin (12) is installed in the hole of the limiting boss; the limiting stop pin is used to adjust the spacing around the butt end surface of the 1# large-sized cover body (9) and the 2# large-sized cover body (10) by abutting against the butt end surface of the 2# large-sized cover body (10) through a plurality of circumferentially arranged limiting stop pins (12) in the process of sliding toward one side of the 2# large-sized cover body (10) through the plurality of sliding bodies (1) of the plurality of relative posture detection devices.

8. A relative posture detection method for two aircraft covers of different sizes, characterized in that: A relative posture detection method for two different large-sized covers of an aircraft is performed using a plurality of relative posture detection devices for two different large-sized covers of an aircraft provided by any one of claims 1 to 6, comprising: A plurality of relative posture detection devices are installed along the circumference of the 1# large-size cover body (9) on one side of its docking end face, and the 2# large-size cover body (10) is fixedly placed; the theoretical docking state of the 1# large-size cover body (9) and the 2# large-size cover body (10) is simulated by the relative posture detection devices installed circumferentially on the 1# large-size cover body (9), and the docking end face and docking area shape of the 2# large-size cover 10 are measured to form actual relative posture data; after comparing the measured relative posture data with the theoretical posture data, the relative posture data are converted into the movement amounts of the plurality of posture adjustment mechanisms in the three directions of X, Y and Z for driving the 1# large-size cover body (9) to move to the theoretical docking position.

9. The relative posture detection method for two aircraft covers of different sizes according to claim 8, characterized in that: The specific steps include: Step 1, fix and clamp the 2# large-size cover 10 on a special tool, put it on the rack and roughly locate the position of the 1# large-size cover body (9), move the 1# large-size cover body (9) to a distance of 75 mm from the 2# large-size cover body, and install multiple sets of relative posture detection devices (11) along the circumferential direction at the docking end of the 1# large-size cover body (9), each relative posture detection device (11) is positioned through the docking hole of the 1# large-size cover body (9), and is fixed by suction through the suction cup (4); Step 2, sliding the sliders (1) on the multiple groups of relative posture detection devices (11) respectively along the docking direction, so that the limit stop pins (12) on the sliders (1) contact the docking end surface of the 2# large-size cover body (10), and using the 1# distance measuring sensor (2) to measure the movement distance of each slider (1) in the docking direction, and feeding back the movement distance value of each slider (1) to the host computer, calculating the movement amount of the multiple groups of posture adjustment mechanisms used to drive the 1# large-size cover body (9) to move in the three directions of X, Y, and Z, and driving the 1# large-size cover body (9) to move with the calculated movement amount until the docking end surfaces of the 1# large-size cover body (9) and the 2# large-size cover body (10) are parallel, and the two docking end surfaces have a preset distance; wherein the docking direction is set to the X direction; Step 3, moving the slider (1) on the multiple sets of relative posture detection devices (11) along the docking direction, and limiting the slider (1) after moving the preset spacing to simulate the actual docking state of the large-sized cover (9) and the second large-sized cover (10), using the second distance measuring sensors (3) on the multiple sets of relative posture detection devices (11) to respectively measure the shape data of the second large-sized cover (10) at the current position, and feeding the shape data back to the host computer, calculating the movement amounts of the multiple sets of posture adjustment mechanisms used to drive the first large-sized cover (9) to move in the Y and Z directions, and driving the first large-sized cover (9) to move with the calculated movement amount, until the measured shape data of the multiple second large-sized covers (10) are within the tolerance range of the theoretical shape data; Step 4, driving the 1# large-size cover body (9) to move to the theoretical position of the docking end face of the 2# large-size cover body (10) along the docking direction through multiple groups of posture adjustment mechanisms, so that the 1# large-size cover body (9) and the 2# large-size cover body (10) can be docked at the docking end faces, and the relative posture detection of the 1# large-size cover body (9) and the 2# large-size cover body (10) is completed.

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