Self-absorbing device of mining watering car

The utility model discloses a self-absorbing device of a mining watering car. The self-absorbing device comprises a butterfly valve, a tee joint, a water pump and an oil motor, wherein the butterfly valve is arranged between a water inlet of the water pump and a water tank, the tee joint is arranged at the water inlet of the water pump and provided with a stop plate, the water pump is mounted on a water pump support, and the oil motor is connected with the water pump. Since the tee joint is added at the water inlet of the water pump without affecting normal use of a spraying system, a water absorbing function is realized, and the self-absorbing device of the mining watering car is compact in structure, convenient to mount, easy to manufacture, moderate in cost and easy to produce in batch.