Stop valve wrench for underground support

The utility model discloses a stop valve wrench for an underground support, which belongs to the field of stop valve wrenches and comprises a fixing area, a connecting column fixedly welded at the top end of the fixing area, a sleeving fixing area fixedly connected with the top end of the connecting column, a fixing block sleeved with the sleeving fixing area, threaded holes fixedly arranged at two ends of the fixing block, and connecting rods connected with two ends of the fixing block. When the stop valve wrench for the underground support is used, the fixed block and the connecting rod are connected to a certain extent through a stud and can also be detached to a certain extent, the wrench is convenient to transport and place, the size of a fixed area can be changed to a certain extent by detaching the fixed block, and the wrench is convenient to use. The anti-skid layer and the anti-skid particles are arranged, so that a certain anti-skid effect can be achieved on the wrench, the wrench is prevented from