Jaw crusher lubricating device

The utility model relates to the technical field of lubricating devices, in particular to a jaw crusher lubricating device which comprises a crusher body, a working window with an upward opening is arranged on the upper side of the crusher body, a bearing is arranged in the working window, a fixing plate is arranged on the crusher body, an oil tank and an oil pump are arranged on the fixing plate, and the oil tank is communicated with the oil pump through an oil outlet pipeline. A supporting plate is arranged on the crushing machine body corresponding to the position above the bearing; and a distributor capable of dividing the oil outlet pipeline into a plurality of branches is arranged on the supporting plate. The device is reasonable and compact in structure and convenient to use, the oil pump, the oil tank and the distributor are arranged on the crusher body to inject lubricant into the jaw plate and the bearing, and injection of the lubricant can be controlled by controlling the oil pump, so that the devi