Well mouth protection device for monitoring well

The invention discloses a well mouth protection device for a monitoring well, relates to the field of monitoring wells and aims to solve the problem that a traditional well mouth protection device ofa monitoring well is not beneficial to sampling by an operator. According to the technical scheme, the well mouth protection device for the monitoring well is characterized by comprising a protectioncylinder, the inner side wall of the protection cylinder is provided with a placement table, the placement table is covered by a well cover, the placement table is provided with a fixing hole, the well cover is provided with a through hole at the position corresponding to the fixing hole, a bolt is arranged in the through hole, and the end, away from the protection cylinder, of the bolt is provided with a turning plate for turning the bolt. The well mouth protection device achieves the effect of facilitating sampling by the operator from the monitoring well. 本发明公开了种监测井用的井口保护装置，其涉及监测井领域，旨在解决传统的监测井的井口保护装置不利于操作人员取样的问题，其技术