Oil pumping device belt replacement detection device

The utility model provides an oil pumping device belt replacement detection device. The device comprises a handle, a support rack, a wire box, a telescopic rod, a cotton rope, a fixed magnetic hook and a movable magnetic hook, wherein the handle is connected with the rear leg of the support rack in a threaded way, the wire box is arranged in the support rack, and a screw bolt penetrates through the waist of the support rack and then is connected with the wire box; the tail part of the telescopic rod is connected with a front leg screw bolt of the support rack, the neck part of the front end of the telescopic rod is fixedly connected with a clamping hoop of the fixed magnetic hook, the tail end of the cotton rope is connected with a rear leg part wire hole of the movable magnetic hook in a fastened manner ,and the starting end of the cotton rope sequentially penetrates through the rear leg part wire hole, the telescopic rod, the support rack and a wire tying hole of a wire wheel in the wire box in a fastened manner. According to the oil pumping device belt replacement detection device, oil pumping device belt replacement detection operation can be performed just by a single person in just one time, and therefore manpower and material resources can be reduced; safety and working efficiency of the operation can be improved.