The utility model relates to a dismountable busbar suspension wire clamp, which consists of a suspension frame, a slip wire clamp and a jacking block, a mounting boss is arranged at the top end of thesuspension frame, an anti-falling boss and a guide rod hole are formed in the suspension frame, and a sliding table mounting hole and a spring sleeve hole are formed in the suspension frame; the topend of the slip wire clamp body is provided with a slip table, and a busbar wire clamp is fixed below the slip wire clamp body. The lower part of the sliding table is provided with an inclined plane I; the lower part of the jacking block is provided with an inclined plane II matched with the inclined plane I; the slippage table is inserted into the suspension frame through the slippage table mounting hole, the jacking block is arranged on the guide screw pair in a sleeving mode and can slide freely, and the guide screw pair is mounted in the guide rod hole and the spring sleeve hole; a springsleeve is mounted in the spring sleeve hole, and a spring is mounted between the jacking block and the spring sleeve, so that the inclined surface I and the inclined surface II are propped against each other. According to the utility model, a touch-type automatic falling-off structure design is adopted, so that the busbar is touched when the flood gate falls off, the slip wire clamp is automatically separated from the suspension frame, and the flood gate is successfully closed.