A apron for covering establish trench

The utility model provides an apron for covering establish trench. The apron includes: main apron, the lid is established on the trench, is provided with on the main apron and observes the hole, the auxiliary cover board, the auxiliary cover board is lapped movably and is connected with main, and the auxiliary cover board has the lid and establishes the primary importance on the observation hole,and the auxiliary cover board still has and exposes the second place of observing the hole. The utility model discloses it reveals and a little comparatively difficult and easily cause the problem ofapron damage to have solved among the prior art investigation trench effectively. 本实用新型提供了种用于盖设管沟的盖板。盖板包括：主盖板，盖设在管沟上，主盖板上设置有观察孔；辅助盖板，辅助盖板与主盖板可活动地连接，辅助盖板具有盖设在观察孔上的第位置，辅助盖板还具有露出观察孔的第二位置。本实用新型有效地解决了现有技术中排查管沟泄露点较为困难且易造成盖板损坏的问题。