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CN-122009487-A - Self-adaptive three-jaw grabbing device for unmanned aerial vehicle mounting

CN122009487ACN 122009487 ACN122009487 ACN 122009487ACN-122009487-A

Abstract

The invention discloses a self-adaptive three-jaw grabbing device for unmanned aerial vehicle mounting, which belongs to the technical field of unmanned aerial vehicle-mounted operation equipment and comprises a quick-release mounting seat and a protective shell arranged below the quick-release mounting seat, wherein four guide holes are formed in the surface of the protective shell at equal intervals, guide shafts fixedly connected with the quick-release mounting seat are movably connected in the guide holes, a limiting block is fixed at the bottom of the guide shafts, a buffer spring is sleeved outside the guide shafts, a servo motor is arranged on the top wall of an inner cavity of the protective shell, a guide screw is fixed at the output end of the servo motor, guide plates are connected to the outer wall of the guide screw in a threaded manner, three clamping mechanisms are arranged at the bottom of the protective shell at equal intervals, and three connecting pieces are arranged in the protective shell at equal intervals. This a self-adaptation three-jaw formula grabs and presss from both sides device for unmanned aerial vehicle mounts can carry out stable centre gripping to the object, and operation fault-tolerance is high, safe redundancy is sufficient simultaneously, uses safelyr.

Inventors

  • SONG FANGYU
  • MA CHUNHUI

Assignees

  • 山东农业工程学院

Dates

Publication Date
20260512
Application Date
20260416

Claims (8)

  1. 1. The self-adaptive three-jaw grabbing and clamping device for the unmanned aerial vehicle mounting comprises a quick-release mounting seat (1) and a protective shell (4) arranged below the quick-release mounting seat (1), and is characterized in that four guide holes are formed in the surface of the protective shell (4) at equal intervals, guide shafts (5) fixedly connected with the quick-release mounting seat (1) are movably connected in the guide holes, limiting blocks (6) are fixed at the bottoms of the guide shafts (5), buffer springs (7) are sleeved outside the guide shafts (5), a servo motor (10) is mounted on the top wall of an inner cavity of the protective shell (4), guide screws (11) are fixed at the output ends of the servo motor (10), guide plates (12) are connected to the outer wall of the guide screws (11) in a threaded mode, three clamping mechanisms are arranged at the bottoms of the protective shell (4) at equal intervals, and three connecting pieces corresponding to the clamping mechanisms are arranged in the protective shell (4) at equal intervals.
  2. 2. The self-adaptive three-jaw type grabbing device for unmanned aerial vehicle mounting according to claim 1, wherein the clamping mechanism comprises a first connecting seat (14) and clamping jaws (16), the first connecting seat (14) is fixed to the bottom of the protective shell (4), and a connecting block (15) fixedly connected with the clamping jaws (16) is rotatably connected in the first connecting seat (14) through a rotating shaft.
  3. 3. The self-adaptive three-jaw type grabbing device for unmanned aerial vehicle mounting according to claim 2, wherein a mounting groove is formed in the outer wall of one side of each clamping jaw (16), a pressure sensor (17) is mounted in the mounting groove, an anti-slip pad (18) fixedly connected with each clamping jaw (16) is arranged on one side of each pressure sensor (17), and the connecting piece is arranged between the guide plate (12) and each clamping jaw (16).
  4. 4. The self-adaptive three-jaw grabbing device for unmanned aerial vehicle mounting is characterized in that the connecting piece is composed of a push-pull rod (19) and two connecting seat II (20), the two connecting seat II (20) are both connected to two ends of the push-pull rod (19) through rotation shafts in a rotating mode, the two connecting seat II (20) are fixedly connected with the guide plate (12) and the clamping jaw (16) respectively, and three moving grooves for the push-pull rod (19) to move are formed in the bottom of the protective shell (4) at equal intervals.
  5. 5. The self-adaptive three-jaw type grabbing and clamping device for the unmanned aerial vehicle mounting is characterized in that a universal quick-release interface (2) is arranged on the surface of the quick-release mounting seat (1), the universal quick-release interface (2) is compatible with a cradle head mounting interface and a standardized airborne mounting interface of a main-flow multi-rotor unmanned aerial vehicle, and a manual locking wrench (3) is arranged on the side face of the quick-release mounting seat (1).
  6. 6. The self-adaptive three-jaw type grabbing device for unmanned aerial vehicle mounting is characterized in that mounting holes are formed in the surface of the protective shell (4), a displacement sensor (8) is mounted in the mounting holes in the surface of the protective shell (4), and weight reduction grooves are formed in the outer walls of the periphery of the protective shell (4).
  7. 7. The self-adaptive three-jaw type grabbing device for unmanned aerial vehicle mounting is characterized in that four through holes are formed in the outer portion of the protective shell (4) at equal intervals, electromagnetic locking pins (9) corresponding to the positions of the limiting blocks (6) are arranged in the through holes of the protective shell (4), and locking holes corresponding to the electromagnetic locking pins (9) are formed in the outer wall of one side of each limiting block (6).
  8. 8. The self-adaptive three-jaw type grabbing device for unmanned aerial vehicle mounting is characterized in that two limiting holes are symmetrically formed in the guide plate (12), and limiting columns (13) fixedly connected with the inner wall of the protective shell (4) are movably connected in the limiting holes of the guide plate (12).

Description

Self-adaptive three-jaw grabbing device for unmanned aerial vehicle mounting Technical Field The invention belongs to the technical field of unmanned aerial vehicle airborne operation equipment, and particularly relates to a self-adaptive three-jaw grabbing device for unmanned aerial vehicle mounting. Background Along with the rapid development of unmanned aerial vehicle technology, unmanned aerial vehicle's application in fields such as commodity circulation transportation, material delivery, industry inspection, emergency rescue is becoming more extensive, and unmanned aerial vehicle carries to grasp and press from both sides the device as realizing unmanned aerial vehicle material snatchs, transport and put in core part, and its performance directly decides unmanned aerial vehicle operation's efficiency and security. The existing unmanned aerial vehicle mounting grabbing clamp device in the market still has certain defects that firstly, a double-claw clamping structure is adopted by a plurality of grabbing clamp devices, the clamping stability is poor, the suitability for irregular-shaped objects is low, the problems of clamping slipping and material falling easily occur, and secondly, the grabbing clamp device lacks an effective buffering protection structure, and the structure of the device is easily damaged or the material clamping is easily caused due to slight shaking or impact when the unmanned aerial vehicle is in contact with the material in a descending mode during hovering operation. Disclosure of Invention The invention aims to provide a self-adaptive three-jaw type grabbing device for unmanned aerial vehicle mounting, which aims to solve the problems that the grabbing device for unmanned aerial vehicle mounting on the front market, which is proposed in the background art, has poor clamping stability, lacks an effective buffering protection structure, slightly shakes or falls to contact with materials during unmanned aerial vehicle hovering operation, and is easy to cause damage to the device structure or material clamping damage. The self-adaptive three-jaw grabbing and clamping device for the unmanned aerial vehicle comprises a quick-release mounting seat and a protective shell arranged below the quick-release mounting seat, wherein four guide holes are formed in the surface of the protective shell at equal intervals, guide shafts fixedly connected with the quick-release mounting seat are movably connected in the guide holes, limiting blocks are fixed at the bottoms of the guide shafts, buffer springs are sleeved outside the guide shafts, a servo motor is arranged on the top wall of an inner cavity of the protective shell, a guide screw is fixed at the output end of the servo motor, guide plates are connected to the outer wall of the guide screw in a threaded manner, three clamping mechanisms are arranged at the bottom of the protective shell at equal intervals, and three connecting pieces corresponding to the clamping mechanisms are arranged in the protective shell at equal intervals. In a further embodiment, the clamping mechanism comprises a first connecting seat and clamping jaws, wherein the first connecting seat is fixed at the bottom of the protective shell, and a connecting block fixedly connected with the clamping jaws is rotatably connected in the first connecting seat through a rotating shaft. In a further embodiment, a mounting groove is formed in the outer wall of one side of the clamping jaw, a pressure sensor is mounted in the mounting groove, an anti-slip pad fixedly connected with the clamping jaw is arranged on one side of the pressure sensor, and the connecting piece is arranged between the guide plate and the clamping jaw. In a further embodiment, the connecting piece is composed of a push-pull rod and two second connecting seats, the two second connecting seats are respectively connected to two ends of the push-pull rod through rotation shafts in a rotating mode, the two second connecting seats are respectively and fixedly connected with the guide plate and the clamping jaw, and three moving grooves for the push-pull rod to move are formed in the bottom of the protective shell at equal intervals. In a further embodiment, the surface mounting of the quick-release mounting seat is provided with a universal quick-release interface, the universal quick-release interface is compatible with a holder mounting interface and a standardized airborne mounting interface of the main-flow multi-rotor unmanned aerial vehicle, and the side surface of the quick-release mounting seat is provided with a manual locking wrench. In a further embodiment, the surface of the protecting shell is provided with a mounting hole, a displacement sensor is arranged in the mounting hole on the surface of the protecting shell, and the outer walls around the protecting shell are provided with weight reducing grooves. In a further embodiment, four through holes are formed in the outer portion of the protec