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CN-224223900-U - Telescopic rotary mechanical arm for four-foot robot dog

CN224223900UCN 224223900 UCN224223900 UCN 224223900UCN-224223900-U

Abstract

The utility model relates to the technical field of robots and discloses a telescopic rotary mechanical arm for a quadruped robot dog, which comprises a machine body, wherein a mechanical foot is arranged outside the machine body, the upper surface of the machine body is fixedly connected with a back box, the interior of the back box is fixedly connected with a first motor, the upper surface of the back box is provided with a base component, the output end of the first motor is connected with a support column, the exterior of a transmission component is fixedly connected with a shell, a bolt is arranged inside a flange, a shock pad is arranged between the flange and the back box, and the output end of a second motor is connected with a first transmission arm. According to the utility model, the vibration isolation of the mechanical arm and the robot dog body is realized by the vibration pad, then the first motor is started to drive the support column to rotate so as to adjust the orientation of the mechanical arm, and then the first transmission arm and the second transmission arm are respectively controlled by the second motor and the third motor to finish rotation and pitching actions, so that the resonance effect of the mechanical arm can be avoided.

Inventors

  • BIAN ZHENGYUAN
  • ZHANG SHU
  • Zuo Jiaguang
  • Meng Ruijia
  • JIANG TONGTONG
  • ZHANG QI

Assignees

  • 南京禄口国际机场空港科技有限公司

Dates

Publication Date
20260512
Application Date
20250611

Claims (8)

  1. 1. The telescopic rotary mechanical arm for the four-foot machine dog comprises a machine body (1) and is characterized in that a mechanical foot (2) is arranged outside the machine body (1), a back box (3) is fixedly connected to the upper surface of the machine body (1), a first motor (4) is fixedly connected to the inner part of the back box (3), a base component (5) is arranged on the upper surface of the back box (3), a support column (6) is connected to the output end of the first motor (4), a transmission component (7) is arranged outside the support column (6), and a shell (8) is fixedly connected to the outer part of the transmission component (7).
  2. 2. The telescopic rotating mechanical arm for the four-legged robot dog according to claim 1, wherein the base assembly (5) comprises a flange plate (501), the outer portion of the flange plate (501) is arranged on the upper surface of the back box (3), bolts (502) are arranged in the flange plate (501), and a shock pad (503) is arranged between the flange plate (501) and the back box (3).
  3. 3. The telescopic rotating mechanical arm for the quadruped robot dog according to claim 2, wherein the transmission assembly (7) comprises a second motor (701), the outer part of the second motor (701) is fixedly connected to the outer part of the support column (6), the output end of the second motor (701) is connected with a first transmission arm (702), one end of the first transmission arm (702) far away from the support column (6) is fixedly connected with a third motor (703), the output end of the third motor (703) is connected with a second transmission arm (704), and one end of the outer shell (8) is fixedly connected to the outer part of one end of the second transmission arm (704) far away from the third motor (703).
  4. 4. The telescopic rotating mechanical arm for the quadruped robot dog according to claim 3, wherein a hydraulic cylinder (9) is fixedly connected to the inside of the outer shell (8), a clamping assembly (10) is arranged at the output end of the hydraulic cylinder (9), and a clamping pad (11) is fixedly connected to the outside of the clamping assembly (10).
  5. 5. The telescopic rotating mechanical arm for the quadruped robot dog according to claim 4, wherein the clamping assembly (10) comprises a push plate (101), the inside of the push plate (101) is fixedly connected to the output end of the hydraulic cylinder (9), a first rotating plate (102) is arranged outside the push plate (101), and a clamping plate (103) is arranged on the outer wall of the first rotating plate (102).
  6. 6. The telescopic rotating mechanical arm for the quadruped robot dog according to claim 5, wherein the outer part of the clamping pad (11) is fixedly connected to the outer part of the clamping plate (103) far away from the first rotating plate (102).
  7. 7. The telescopic rotating mechanical arm for the quadruped robot dog according to claim 2, wherein one end of the bolt (502) is externally connected with the inside of the back box (3) through threads, and the middle outer wall of the bolt (502) is arranged inside the shock pad (503).
  8. 8. The telescopic rotating mechanical arm for the quadruped robot dog according to claim 5, wherein one end of the clamping plate (103) is rotatably connected to the inner wall of the outer shell (8).

Description

Telescopic rotary mechanical arm for four-foot robot dog Technical Field The utility model relates to the technical field of robots, in particular to a telescopic rotary mechanical arm for a four-foot robot dog. Background The quadruped robot dog is a bionic mobile robot, takes the motion mechanism of a quadruped animal (such as dogs) in the nature as a core design sense of inspiration, realizes high dynamic motion capability through cooperation of a mechanical leg structure, a driving system, a control system and the like, integrates a telescopic rotating mechanical arm on the quadruped robot dog, enables the quadruped robot dog to perform operations such as grabbing and carrying, and plays an important role in the field of logistics transportation. Through retrieval, chinese patent publication number is CN116250422A, discloses a tea picking mechanical arm installation structure based on four-foot machine dog tea picking, which comprises a mechanical dog, a tea picking mechanical arm mechanism and an installation mechanism, wherein the tea picking mechanical arm mechanism is installed on the upper part of the mechanical dog through the installation mechanism, the installation mechanism comprises a first arc-shaped cover, a second arc-shaped cover, a positioning disc and a rotating seat, the first arc-shaped cover is fixed on the upper part of the mechanical dog, one end of the first arc-shaped cover is rotatably arranged on the second arc-shaped cover, arc-shaped gaps are formed in the first arc-shaped cover and the second arc-shaped cover, and a quick locking mechanism is arranged between the first arc-shaped cover and the second arc-shaped cover. According to the invention, quick installation connection and quick disassembly are realized, a large number of bolts are not required to be disassembled, and the disassembly difficulty is greatly reduced. In the above application, the existing mechanical arm is directly and rigidly fixed on the back of the robot dog, and lacks damping measures, so that the four-foot robot dog vibrates in the motion process, and the mechanical arm is easy to generate resonance. Disclosure of utility model In order to make up for the defects, the utility model provides a telescopic rotary mechanical arm for a quadruped robot dog, and aims to solve the problem that the mechanical arm is easy to generate resonance in the motion process of the quadruped robot dog in the prior art. In order to achieve the aim, the telescopic rotary mechanical arm for the quadruped robot dog comprises a machine body, wherein a mechanical foot is arranged outside the machine body, a back box is fixedly connected to the upper surface of the machine body, a first motor is fixedly connected to the inner part of the back box, a base component is arranged on the upper surface of the back box, a support column is connected to the output end of the first motor, a transmission component is arranged outside the support column, and a shell is fixedly connected to the outer part of the transmission component. According to the technical scheme, the machine body is moved through the mechanical foot, the back box is fixed on the upper surface of the machine body, and the first motor in the back box drives the support column to rotate so as to adjust the orientation of the mechanical arm. As a further description of the above technical solution: The base assembly comprises a flange, the outer portion of the flange is arranged on the upper surface of the back box, bolts are arranged in the flange, and a shock pad is arranged between the flange and the back box. According to the technical scheme, the flange plate is fixed on the upper surface of the back box through the bolts, the bolts penetrate through the shock pad, the shock absorption characteristics of the silica gel material are utilized, the vibration transmission of the mechanical arm and the robot dog body is reduced, and the resonance risk is reduced. As a further description of the above technical solution: The transmission assembly comprises a second motor, the outside fixed connection of second motor is in the outside of support column, the output of second motor is connected with first transmission arm, the one end outside fixedly connected with third motor of support column is kept away from to first transmission arm, third motor output is connected with the second transmission arm, the one end outside fixed connection of shell is outside the one end that the third motor was kept away from to the second transmission arm. According to the technical scheme, the second motor drives the first transmission arm to rotate, the third motor drives the second transmission arm to realize pitching motion, and the transmission structure drives the mechanical arm to operate through the cooperation of the multi-stage motors, so that the multi-angle rotation and the telescopic function of the mechanical arm are realized. As a further description of the above technical