Telescopic anchoring device of bridge support: Fid-Bau Portal

Telescopic anchoring device of bridge support

ZHOU HONGBO

The telescopic anchoring device of the bridge support comprises a fixing seat, an outer sleeve is fixedly connected to the fixing seat, a sliding groove is formed in the inner side wall of the outer sleeve, a height adjusting sleeve is arranged in the outer sleeve, a protrusion is fixedly connected to the outer side wall of the height adjusting sleeve, and the protrusion is in sliding connection with the sliding groove. The inner side wall of the height adjusting sleeve is fixedly connected with a fixing block. According to the invention, by changing the volume of the hydraulic oil in the corresponding support cavity and the communicating cavity, the piston rod and the piston cylinder slide relatively, so that the height position of the through groove is changed, and the connecting rod and the through groove slide relatively; the height position of the height adjusting sleeve is changed through relative sliding between the contact blocks and the fixing blocks on the two sides of the connecting rod, so that after a height adjusting base plate is additionally arranged between the top plate and the bottom plate, the thread meshing length of the anchor bolt and the outer sleeve or the height adjusting sleeve cannot be shortened; and the anchoring performance of the support and the beam body is ensured.

本发明公开了一种桥梁支座的伸缩式锚固装置，包括固定座，所述固定座上固定连接有外套筒，所述外套筒内侧壁开设有滑槽，所述外套筒内部设有调高套筒，所述调高套筒外侧壁固定连接有凸起，所述凸起与滑槽滑动连接，所述调高套筒内侧壁固定连接有固定块。本发明中，通过改变相应支座空腔以及连通腔内部的液压油体积，使得活塞杆与活塞筒之间发生相对滑动，导致通槽的高度位置发生改变，使得连接杆与通槽之间发生相对滑动，进而通过连接杆两侧的接触块与固定块之间发生相对滑动而使得调高套筒的高度位置发生改变，从而使得在顶板与底板之间加入调高垫板之后，锚固螺栓与外套筒或调高套筒的螺纹咬合长度不会随之变短，保证了支座与梁体的锚固性能。

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