Pier column formwork fastening device

The invention relates to the field of bridge construction equipment, in particular to a pier column formwork fastening device which mainly solves the problems that in the prior art, a pier column formwork is large in occupied space and insufficient in locking force, the pier column formwork fastening device comprises a first formwork, a second formwork and a plurality of fastening mechanisms, and the first formwork and the second formwork are combined to form a die cavity; the fastening mechanisms are distributed in a row at the joint of the first template and the second template in a mold closing state, and each fastening mechanism comprises a first supporting plate, a second supporting plate, a third supporting plate, a curved surface bottom plate, a first locking bolt, a second locking bolt, a fastening bolt, a wedge-shaped block, a fixed block and an extension block. 本发明涉及桥梁施工设备领域，尤其涉及一种墩柱模板紧固装置，它主要解决了现有技术中墩柱模板的占用空间大且锁紧力不足的问题，包括第一模板、第二模板以及若干个紧固机构，所述第一模板和第二模板合模形成一模腔，各所述紧固机构呈排状分布设于第一模板和第二模板合模状态下的连接处，所述紧固机构包