Drill rod type unpowered water collecting device and system for arid regions

The utility model discloses a drill rod type unpowered water collecting device and system in an arid region. The device comprises a drill bit, a water collecting pipe, a connecting drill rod and heatcollecting pipes, a water collecting pipe is sleeved on the upper portion of the drill bit, a plurality of connecting drill rods which are sleeved together are installed on the upper portion of the water collecting pipe, heat collecting pipes capable of absorbing heat are sleeved on the upper portions of the connecting drill rods, the water collecting pipe and the connecting drill rods respectively comprise an inner pipe and an outer pipe which are sleeved together, the inner pipe is a hollow air outlet pipe, and an annular air inlet channel is formed between the inner pipe and the outer pipe.A water collecting container is arranged at the bottom of the water collecting pipe; the water collecting container is arranged under the inner pipe; a water outlet pipe is led out to the upper partof the sand bed or stratum;