| 摘要 |
A torch height adjustment mechanism includes a welding torch head connected to a torch plate; a first four-bar linkage between the torch plate and a linkage interface; a second four-bar linkage between the linkage interface and a mounting plate for connecting the torch-height adjustment mechanism to an automatic welding unit; a shaft providing rotational movement to the second four-bar linkage; and means for communicating rotational movement of a first link of the second four-bar linkage to a first link of the first four-bar linkage to translate the torch plate vertically without rotation along a path between a raised position and a lowered position. |
