Surface crack meter protection device

The utility model discloses a surface crack meter protection device, which comprises a bottom plate, a protection cover and a surface crack meter, the surface crack meter is arranged on the bottom plate, one side of the protection cover is hinged with the bottom plate, a locking mechanism is arranged between the other side of the protection cover and the bottom plate, the protection cover is covered outside the surface crack meter, and the bottom plate is provided with a fixing mechanism used for being fixed on an easily-cracked surface. The surface crack meter protection device is simple in structure and convenient to install, the construction cost is reduced, and the surface crack meter is prevented from being affected by dust and moisture. 本实用新型公开了一种表面裂缝计保护装置，包括底板、保护罩和表面裂缝计，表面裂缝计装设于底板上，保护罩的一侧与底板铰接，另一侧与底板之间设有锁接机构，保护罩罩设于表面裂缝计外，底板上设有用于固定在易裂表面的固定机构。本表面裂缝计保护装置结构简单、安装方便，既降低了施工成本，又使表面裂缝计免受灰尘和潮湿影响。