Extensometer fixing device

The utility model discloses an extensometer fixing device, its characterized in that: including base, vertical pole, down tube and extensometer support, the base is magnetic base, the lower extreme of vertical pole is fixed on the base, the down tube activity is fixed in the upper end of vertical pole, and the down tube can around vertical pole at vertical rotation in surface, the other end at above -mentioned down tube is fixed to the extensometer support. The utility model discloses a magnetic base fixes whole device on ferromagnetic type of object, and the rethread rotates the adjustment that extensometer height and angle were realized to the down tube to the realization is accurate fixed to the extensometer, improves the orientation survey precision, has simple structure, convenient assembling, and the accurate advantage in location can realize the fixed of different grade type extensometer. 本实用新型公开了种引伸计固定装置，其特征在于：包括底座、竖直杆、斜杆和引伸计支架，所述底座为磁性底座，所述竖直杆的下端固定在底座上，所述斜杆活动固定在竖直杆的上端，且斜杆能围绕竖直杆在竖直面内转动，所述引伸计支架固定在上述斜杆的另