| 摘要 |
A pneumatic pressure supply pipe for a clamp in a car assembly line is provided to prevent hydraulic supply pipes from tangling and twisting during work by simplifying the structure, and thereby improve the work efficiency. A pneumatic pressure supply pipe for a clamp in a car assembly line is mounted to an end of a rod(82) which is moved up and down by a pneumatic pressure supplied to a cylinder(81) of a cylinder assembly(8). Accordingly, the pneumatic pressure supply pipe supplies the pneumatic pressure to a clamp cylinder(72) for driving a clamp(71) of a clamp assembly(7) removably mounted to a clamp fixing plate(6). The pneumatic pressure supply pipe comprises an inner pipe(2) and an outer pipe(1). The inner pipe is connected to respective connecting pipes(61,62) connected to the clamp cylinder. The inner pipe is inserted in the outer pipe, movably in a length direction thereof.
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