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CN-122008141-A - Organism scribing device and method suitable for inner space of airplane

CN122008141ACN 122008141 ACN122008141 ACN 122008141ACN-122008141-A

Abstract

The invention relates to the technical field of aircraft manufacturing and assembly, and discloses a device and a method for scribing an aircraft body suitable for an inner space of an aircraft, wherein the device comprises a fixing mechanism, a driving device and a scribing assembly; the fixing mechanism comprises a fixed block assembly arranged on the aircraft shell and a movable plate assembly arranged on the fixed block assembly, the driving device comprises a translation assembly assembled on the movable plate assembly and capable of moving along the length direction of the movable plate assembly, a driving mechanism fixed on the translation assembly and a guiding mechanism, the scribing assembly comprises a movable shaft assembly assembled on the guiding mechanism in a sliding manner, a connecting piece assembly for connecting the driving mechanism and the movable shaft assembly and a scribing head module arranged on the movable shaft assembly, the driving mechanism drives the connecting piece assembly to drive the movable shaft assembly to move, so that the scribing head module is abutted against the aircraft shell, and the scribing head module is driven to complete scribing when the translation assembly moves. The invention can intuitively observe the position and the walking distance of the scribing head in the inner space of the aircraft, can obtain accurate scribing data and remarkably improve the scribing precision.

Inventors

  • ZENG GUILIN
  • PANG LEI
  • CHEN XIANGLING
  • LI JIANFEI
  • XIE CONGJIAN
  • HE HUABING
  • FENG ZHIPENG
  • QING TAO

Assignees

  • 成都飞机工业（集团）有限责任公司

Dates

Publication Date
20260512
Application Date
20260210

Claims (15)

  1. 1. Organism marking device suitable for aircraft inner space, characterized by comprising: A securing mechanism (100), the securing mechanism (100) comprising a securing block assembly (110) mounted on the aircraft skin and a moving plate assembly (120) mounted on the securing block assembly (110) on a side thereof remote from the aircraft skin; A driving device (200), wherein the driving device (200) comprises a translation assembly (210) assembled on the movable plate assembly (120) and capable of moving along the length direction of the movable plate assembly (120), a driving mechanism (220) fixed on the translation assembly (210) and a guide mechanism (230) mounted on the translation assembly (210); the scribing assembly (300), the scribing assembly (300) comprises a movable shaft assembly (310) which is assembled on the guide mechanism (230) in a sliding way, a connecting sheet assembly (320) which is arranged on the end face of the movable shaft assembly (310) and is connected with the driving mechanism (220), and a scribing head module (340) which is arranged at the other end of the movable shaft assembly (310), wherein the end part of the movable shaft assembly (310) is also provided with cameras (353) which are distributed beside the scribing head module (340), The driving mechanism (220) drives the connecting sheet assembly (320) to move along the direction perpendicular to the moving plate assembly (120), the moving shaft assembly (310) is driven to synchronously move along the same direction on the guide mechanism (230), the scribing head module (340) on the moving shaft assembly (310) is abutted to the position to be scribed of the aircraft body, when the translation assembly (210) moves along the length direction of the moving plate assembly (120), the driving mechanism (220), the moving shaft assembly (310) and the scribing head module (340) are driven to synchronously move, the scribing head module (340) is driven to finish scribing on the aircraft body, and the camera (353) shoots images of the space of the inner layer of the aircraft near the scribing head module (340) in real time in the scribing process.
  2. 2. The machine body scribing device suitable for the inner space of the airplane according to claim 1, wherein the fixed block assembly (110) comprises a fixed block (111) and a vacuum chuck assembly (112) mounted on the fixed block (111) and used for adsorbing the airplane shell, the vacuum chuck assembly (112) comprises a hollow box body (112 a), a chuck (112 b), an exhaust port (112 c) and an air inlet (112 d), the chuck (112 b) is arranged on the hollow box body (112 a) and communicated with the inner cavity of the hollow box body (112 a), the air inlet (112 d) is connected with a sealing cap through threads, and the hollow box body (112 a) is mounted on the fixed block (111).
  3. 3. The device for scribing an aircraft interior space according to claim 2, wherein the moving plate assembly (120) comprises a moving plate (121) disposed on a side of the fixed block (111) away from the vacuum chuck assembly (112), and the moving plate (121) is provided with a strip-shaped opening penetrating through the center along the long side direction.
  4. 4. A scribing device for an aircraft interior space according to claim 3, wherein the fixed block (111) is provided with a first chute (113), the movable plate (121) is provided with a first slider (123) slidably inserted in the first chute (113), and the end surface of the first slider (123) is further provided with a first threaded hole (124) penetrating through the first slider (123).
  5. 5. A body scribing device suitable for an aircraft inner space according to claim 3, characterized in that the translation assembly (210) comprises a translation plate (211) and a connecting block (212) inserted in the strip-shaped opening, second sliding blocks (213) are arranged on two sides of the connecting block (212), second sliding grooves (122) are arranged on two sides of the strip-shaped opening, the second sliding blocks (213) are slidably mounted in the second sliding grooves (122), and the connecting block (212) can slide in the strip-shaped opening.
  6. 6. The device for scribing an aircraft interior space according to claim 5, wherein said driving mechanism (220) comprises a second motor (221) mounted on the translation plate (211) and a second screw (222) fixed on an output shaft of the second motor (221).
  7. 7. -A machine body scribing device suitable for aircraft interior spaces according to claim 6, characterized in that the guiding means comprise a guiding shaft (231) arranged on the translation plate (211) and parallel to the second screw (222), the end face of the guiding shaft (231) being provided with a guiding hole (233) in the axial direction.
  8. 8. The machine body scribing device suitable for the inner space of the airplane according to claim 7, wherein the movable shaft assembly (310) comprises a movable shaft (311) and a mounting groove (312) formed in the end face of the movable shaft (311), the movable shaft (311) is slidably inserted into the guide hole (233), and a pressure sensor (313) and a spring (330) abutted against the pressure sensor (313) are arranged in the mounting groove (312).
  9. 9. The scribing device for the aircraft interior space according to claim 8, wherein the connecting piece assembly (320) comprises a first connecting piece (321) installed on the moving shaft (311) and far from one end of the installation groove (312), a second threaded hole (322) is formed in the first connecting piece (321), and the second lead screw (222) is screwed in the second threaded hole (322).
  10. 10. The scribing device for the aircraft interior space according to claim 9, wherein the scribing head module (340) comprises a second connecting piece (341) inserted in the mounting groove (312) and abutted against the spring (300) and a straight tube (342) fixed on the second connecting piece (341), and a conical head (343) is arranged at the end of the straight tube, and the conical head is positioned outside the mounting groove (312).
  11. 11. The scribing device for an aircraft interior according to claim 10, wherein the scribing assembly further comprises an end cover module (350), the end cover module (350) comprises an end cover (351) fixed at an opening of the mounting groove (312) and a connecting hole (352) formed in an end face of the end cover (351), the straight barrel (342) penetrates through the connecting hole (352), and the camera (353) is mounted on the end cover (351).
  12. 12. -A scoring device for an aircraft interior according to claim 7, characterized in that the outer wall of the guide shaft (231) is further provided with finger grooves (232).
  13. 13. The scribing device for an aircraft interior space according to claim 4, wherein the fixing mechanism (100) further comprises a transmission assembly (130), the transmission assembly (130) comprises a first motor (131) assembled on the side surface of the fixing block (111) and a first screw rod (132) connected with the output end of the first motor (131), and the other end of the first screw rod (132) is screwed into a first threaded hole (124) of the first slider (123).
  14. 14. The device for scribing an aircraft interior space according to claim 11, wherein the perimeter of said camera (353) is provided with illumination beads.
  15. 15. A method of body scribing for use in an aircraft interior space, the method of body scribing being implemented using a body scribing apparatus for use in an aircraft interior space as claimed in any one of claims 1 to 14, comprising the steps of: S1, assembling a scribing device on an aircraft body shell to be scribed through a fixed block assembly (110), and sliding a translation assembly (210) on a movable plate assembly (120) to adjust the positions of a driving mechanism (220) and a guiding mechanism (230), so that a scribing head module (340) arranged on the guiding mechanism (230) is aligned with the scribing position on the aircraft body; s2, starting a driving mechanism (220), and driving a movable shaft assembly (310) to move on a guide mechanism (230) through the driving mechanism (220), so that a scribing head module (340) on the movable shaft assembly (310) stretches into an inner space of the aircraft and contacts with a scribing position; S3, the handheld guide mechanism (230) drives the translation assembly (210) to move on the movable plate assembly (120), the movable shaft assembly (310) and the scribing head module (340) are synchronously driven to move, the scribing head module (340) is used for scribing the surface of the aircraft body, in the scribing process, the camera (353) on the movable shaft assembly (310) is used for photographing the space of the inner layer of the aircraft near the scribing head module (340) and transmitting pictures to the movable end through a network for operators to observe, and meanwhile, the illuminating lamp beads distributed on the periphery of the camera (353) are used for supplementing light in the photographing process.

Description

Organism scribing device and method suitable for inner space of airplane Technical Field The invention relates to the technical field of aircraft manufacturing and assembly, in particular to an airframe marking device and method suitable for an aircraft inner space. Background When the aircraft structure is riveted or screwed to be assembled, a worker needs to mark on the aircraft body to determine the installation hole position, the positioning hole is set, then the drilling device is used for drilling, and finally, the rivet is riveted or the high-locking bolt is screwed. The existing aircraft body scribing device is mostly a vernier caliper-like scribing device, and can accurately scribe the exposed position with a relatively wide space on the aircraft body. When meeting the narrow and small position in space, because need with the whole inside that stretches into narrow and small space of marking device, lead to the staff unable to carry out holistic observation to equipment, unable effectual observation marking head's position to and the distance that marking head walked, the marking is carried out to the working experience who relies on operating personnel many years when marking, very big influence the marking precision. Disclosure of Invention In order to solve the defects and the shortcomings in the prior art, the invention provides a machine body scribing device and a method suitable for an inner space of an airplane, a scribing head of the scribing device can extend into the inner space of the airplane, the rest part is arranged on the outer side of the airplane, so that the position of the scribing head in the inner layer space of the airplane body and the walking distance can be visually observed during scribing, further, accurate scribing data are obtained, and the scribing precision of the airplane body is remarkably improved. In order to achieve the above object, the present invention has the following technical scheme: The invention discloses a machine body scribing device suitable for an inner space of an airplane, which adopts the technical scheme that the machine body scribing device comprises the following components: The fixing mechanism comprises a fixed block assembly arranged on the aircraft shell and a movable plate assembly arranged on one side, far away from the aircraft shell, of the fixed block assembly; The driving device comprises a translation assembly, a driving mechanism and a guiding mechanism, wherein the translation assembly is assembled on the movable plate assembly and can move along the length direction of the movable plate assembly, the driving mechanism is fixed on the translation assembly, and the guiding mechanism is installed on the translation assembly; The scribing assembly comprises a movable shaft assembly, a connecting sheet assembly and a scribing head module, wherein the movable shaft assembly is assembled on the guide mechanism in a sliding way, the connecting sheet assembly is arranged on the end face of the movable shaft assembly and is connected with the driving mechanism, the scribing head module is arranged at the other end of the movable shaft assembly, The driving mechanism drives the connecting sheet assembly to move along the direction perpendicular to the moving plate assembly, drives the moving shaft assembly to synchronously move along the same direction on the guide mechanism, enables the scribing head module on the moving shaft assembly to be abutted against the scribing position of the machine body in the inner layer space of the aircraft, and then drives the driving mechanism, the moving shaft assembly and the scribing head module to synchronously move when the translation assembly moves along the length direction of the moving plate assembly, wherein the scribing head module finishes scribing on the machine body of the aircraft, and cameras distributed beside the scribing head module shoot images of the inner layer space of the aircraft nearby the scribing head module in real time and transmit the images to an external moving equipment end in the scribing process. The vacuum chuck assembly comprises a hollow box body, a sucker, an exhaust port and an air inlet, wherein the sucker, the exhaust port and the air inlet are arranged on the hollow box body and communicated with an inner cavity of the hollow box body, the air inlet is connected with a sealing cap through threads, and the hollow box body is arranged on the fixed block. Preferably, the moving plate assembly comprises a moving plate arranged on one side of the fixed block, which is far away from the vacuum chuck assembly, and a strip-shaped opening is formed in the center of the moving plate along the long side direction. Preferably, the fixed block is provided with a first sliding groove, the movable plate is provided with a first sliding block which is inserted in the first sliding groove in a sliding manner, and the end face of the first sliding block is further provided with a