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CN-224223936-U - Foldable mechanical arm structure for robot

CN224223936UCN 224223936 UCN224223936 UCN 224223936UCN-224223936-U

Abstract

The utility model belongs to the technical field of mechanical arms, in particular to a foldable mechanical arm structure for a robot, which comprises a moving structure and a mechanical arm device, wherein the moving structure comprises a moving frame, a mounting plate is arranged at the top end of the moving frame, two side plates are arranged at the side ends of the moving frame, driving wheels are arranged at the outer sides of the side plates, the mechanical arm device comprises a mounting box, a driving gear and a follow-up toothed ring are rotatably connected to the top end of the mounting box, and the driving gear and the follow-up toothed ring are meshed with each other.

Inventors

  • ZHANG GAILIAN
  • ZHENG JIANBO

Assignees

  • 西安外事学院

Dates

Publication Date
20260512
Application Date
20250606

Claims (9)

  1. 1. The foldable mechanical arm structure for the robot comprises a moving structure (1) and a mechanical arm device (2) and is characterized in that the moving structure (1) comprises a moving frame (101), a mounting plate (102) is mounted at the top end of the moving frame (101), two side plates (103) are mounted at the side ends of the moving frame (101), and driving wheels (104) are arranged on the outer sides of the side plates (103); The mechanical arm device (2) comprises a mounting box (201), a driving gear (202) and a follow-up toothed ring (203) are rotatably connected to the top end of the mounting box (201), the driving gear (202) and the follow-up toothed ring (203) are meshed with each other, an embedded motor is arranged on the inner side of the mounting box (201), and an output shaft of the embedded motor is fixedly connected with the center of the driving gear (202); A first hinging rod (204) is arranged at the top end of the follow-up toothed ring (203), a second hinging rod (205) is arranged at the other end of the first hinging rod (204), and a clamping structure (206) is arranged at the other end of the second hinging rod (205); The top of follow-up ring gear (203) fixedly connected with rotates seat (207) and servo motor (208), the outside of rotating seat (207) and the output shaft of servo motor (208) all are provided with drive gear (209), and two drive gear (209) intermeshing.
  2. 2. The foldable mechanical arm structure for a robot according to claim 1, wherein the mounting plate (102) is provided with a mounting opening (105) on the inner side thereof, and the mounting box (201) is positioned on the inner side of the mounting opening (105).
  3. 3. The foldable mechanical arm structure for a robot according to claim 1, wherein an internal motor is arranged on the inner side of the side plate (103), and an output shaft of the internal motor penetrates through the side plate (103) and is fixedly connected with a central shaft of the driving wheel (104).
  4. 4. The foldable mechanical arm structure for the robot, as set forth in claim 1, characterized in that an illuminating lamp (106) is fixedly arranged at the front end of the movable frame (101), and a storage box (107) is fixedly connected to the back side of the movable frame (101).
  5. 5. The foldable mechanical arm structure for the robot, as set forth in claim 1, characterized in that a circuit board (108) is mounted at the bottom end of the moving frame (101), and the moving structure (1) and the mechanical arm device (2) are electrically connected with the circuit board (108).
  6. 6. The foldable mechanical arm structure for the robot, as set forth in claim 1, characterized in that an external motor (210) is fixedly installed on the outer side of the first hinge rod (204), and a transmission chain (211) is in transmission connection between an output shaft of the external motor (210) and a connection part of the first hinge rod (204) and the second hinge rod (205).
  7. 7. The foldable mechanical arm structure for a robot according to claim 1, wherein the clamping structure (206) comprises a moving table (213), a brake motor (212) is arranged on the outer side of the moving table (213), and the moving table (213) is rotatably connected with one end, far away from the first hinge rod (204), of the second hinge rod (205) through the brake motor (212).
  8. 8. The foldable mechanical arm structure for the robot, as set forth in claim 7, characterized in that a fixed plate (214) is fixedly installed on the front side of the moving table (213), two meshing gears (215) are rotatably connected to the top end of the fixed plate (214), the two meshing gears (215) are meshed with each other, a lower motor is arranged at the bottom end of the fixed plate (214), and an output shaft of the lower motor is fixedly connected with the center of the right meshing gear (215).
  9. 9. The foldable mechanical arm structure for the robot, as set forth in claim 8, characterized in that a gripper (217) is rotatably connected to the front side of the fixing plate (214) through a linkage rod (216), a connecting plate is fixedly connected to the top end of the meshing gear (215), and the other end of the connecting plate is slidably connected to a chute formed in the end of the gripper (217).

Description

Foldable mechanical arm structure for robot Technical Field The utility model relates to the technical field of mechanical arms, in particular to a foldable mechanical arm structure for a robot. Background Robots are machine devices that automatically perform work. It can accept human command, run pre-programmed program and act according to the principle set by artificial intelligence technology. Its task is to assist or replace the work of human work. Robotic arms, as an integral component of robotic systems, carry over important missions for performing various complex and elaborate operations. They are not only capable of mimicking the motion of a human arm, but even surpassing the physiological limitations of humans in some respects, exhibiting greater flexibility and accuracy. Through advanced control system and accurate mechanical structure, the robot arm can show the body hand in a plurality of fields such as manufacturing, medical treatment, scientific research greatly, accomplishes various high-difficulty tasks such as welding, assembly, operation assistance, experimental operation. Their presence greatly increases production efficiency, reduces labor costs, and plays an irreplaceable role in dangerous or human-inaccessible environments. The existing mechanical arm for the robot is usually required to be fixed at a designated position for use, when the mechanical arm for the robot is required to be moved, multiple people are required to carry together, so that the operation process is tedious and laborious, the mechanical arm is easy to damage due to collision in the moving process, and meanwhile, most of the existing mechanical arm for the robot is structurally fixed, the length cannot be adjusted according to actual requirements, and the application range is small. We have therefore proposed a foldable robot arm structure to solve the above problems. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a foldable mechanical arm structure for a robot, which solves the problems in the prior art. (II) technical scheme The utility model adopts the following technical scheme for realizing the purposes: The foldable mechanical arm structure for the robot comprises a moving structure and a mechanical arm device, wherein the moving structure comprises a moving frame, a mounting plate is mounted at the top end of the moving frame, two side plates are mounted at the side ends of the moving frame, and driving wheels are arranged at the outer sides of the side plates; The mechanical arm device comprises an installation box, a driving gear and a follow-up toothed ring are rotatably connected to the top end of the installation box, the driving gear and the follow-up toothed ring are meshed with each other, an embedded motor is arranged on the inner side of the installation box, and an output shaft of the embedded motor is fixedly connected with the center of the driving gear; the top end of the follow-up toothed ring is provided with a first hinging rod, the other end of the first hinging rod is provided with a second hinging rod, and the other end of the second hinging rod is provided with a clamping structure; The top fixedly connected with of follow-up ring gear rotates seat and servo motor, the outside of rotating the seat and servo motor's output shaft all are provided with drive gear, two drive gear intermeshing. Further, the mounting plate is provided with a mounting opening on the inner side, and the mounting box is positioned on the inner side of the mounting opening. Further, a built-in motor is arranged on the inner side of the side plate, and an output shaft of the built-in motor penetrates through the side plate and is fixedly connected with a central shaft of the driving wheel. Further, the front end of the movable frame is fixedly provided with an illuminating lamp, and the back side of the movable frame is fixedly connected with a storage box. Further, the bottom of the movable frame is provided with a circuit board, and the movable structure and the mechanical arm device are electrically connected with the circuit board. Further, an external motor is fixedly arranged on the outer side of the first hinging rod, and a transmission chain is connected between an output shaft of the external motor and the joint of the first hinging rod and the second hinging rod in a transmission manner. Further, the clamping structure comprises a moving table, a brake motor is arranged on the outer side of the moving table, and the moving table is rotatably connected with one end, far away from the first hinging rod, of the second hinging rod through the brake motor. Further, the front side fixed mounting of motion platform has the fixed plate, the top of fixed plate rotates and is connected with two meshing gears, and two meshing gears intermesh, the bottom of fixed plate is provided with the underlying motor, underlying motor's output