Monitoring device for hydraulic fracturing equipment

The utility model discloses a monitoring device for hydraulic fracturing equipment, which comprises a pressure pump, the pressure pump is fixedly assembled on the ground, the lower end of the pressure pump is fixedly provided with a through pipe, the through pipe penetrates through the ground and extends into a water layer, the side wall of the through pipe is fixedly communicated with a box body, and the box body is fixedly provided with a water inlet and a water outlet. A displacement sensor is fixedly assembled on the outer side wall of the box body, a water flow monitoring structure is assembled on the inner wall of the box body, one side of the water flow monitoring structure penetrates through the box body and is matched with the displacement sensor, a limiting mechanism is fixedly assembled on the inner wall of the box body, and the limiting mechanism is connected to the outer wall of the water flow monitoring structure in a sleeving mode. Through cooperation of the displacement sensor and the water fl