Telescopic storage tank liquid level measuring device

The utility model relates to a telescopic storage tank liquid level measuring device which comprises a storage tank, an observation bin and a liquid level measuring device body, and the liquid level measuring device body comprises a second liquid level display connecting rod, a first liquid level display connecting rod and a buoyancy plate which are sequentially connected from top to bottom. The second liquid level display connecting rod is a U-shaped rod; the first liquid level display connecting rod is a straight rod; the straight rod is clamped into the U-shaped rod and slides in the U-shaped rod, and a first limiting block is arranged at the top end of the first liquid level display connecting rod; the other end of the buoyancy plate is connected with a lower wire which is fixed to the bottom of the storage tank. The other end of the second liquid level display connecting rod is connected with an upper wire which is connected to the top end of the observation bin. The observation bin is in sliding connect