Linkage handle device for tank car

The utility model relates to the technical field of handles, in particular to a linkage handle device for a tank car, which comprises an air valve main body and a bottom valve main body which are arranged on a tank body, an air valve handle for controlling the air valve main body is arranged on the air valve main body, and a bottom valve handle for controlling the bottom valve main body is arranged on the bottom valve main body; the air valve further comprises an auxiliary handle, a pin shaft and a connecting component, the end of the auxiliary handle is rotatably connected with the air valvehandle through the pin shaft, a check block for limiting the auxiliary handle is arranged on the air valve body, a guide device for limiting the bottom valve handle is arranged on the bottom valve body, and one end of the connecting component is connected with the air valve handle. The other end of the connecting part is connected with the guide device and can be in linkage with the bottom valve,the situation that the bot