| 摘要 |
A suspendable resistance spot welding gun, comprises a bearing structure which can be connected with support and/or articulation means of the gun (10; 10a; 10b), a stationary electrode holder arm (36) supported by bracket means (42), and an electrode holder arm (50) movable with respect to the first arm (36), the movement of which is controlled by a linear actuator (54) associated with the bearing structure. Both the electrode holder arms (36, 50) are provided with respective welding electrodes (38, 52) powered with an electrical current delivered by a transformer unit (56) associated with the bearing structure. The bearing structure includes a support member (16, 16a, 16b) interposed between the linear actuator (54) and the transformer unit (56), at the one side, and the electrode holder arms (36, 50), at the other side. The bracket means (42) are connected rigidly with an end portion (66) of the linear actuator (54) through the support member (16, 16a, 16b) which constitutes a single body both with the bracket means (42) and with the body (60) of the linear actuator (54). |
