| 摘要 |
A robot arm includes a support, a wrist joint rotatably connected to the support, a distal joint rotatably connected to the wrist joint, a first driving mechanism driving the wrist joint, and a second driving mechanism driving the distal joint. The first driving mechanism comprises a first input shaft connected to the wrist joint via two bevel gears, and the first driving mechanism drives the wrist joint to rotate relative to the support. The second driving mechanism comprises a second input shaft connected to the distal joint via at least four bevel gears, and the second driving mechanism drives the distal joint to rotate relative to the wrist joint. The robot arm is sealed and defines a conduit for allowing a plurality of pipes and cables to pass through. |
