Unidirectional moving basin type rubber support for highway bridge: Fid-Bau Portal

Unidirectional moving basin type rubber support for highway bridge

GUO XINGFANG

The invention provides a one-way moving basin type rubber support for a highway bridge, and relates to the technical field of bridge supports. The rear end of the top of the base is inclined, a groove is formed in the front end of the top of the base, the two ends of the side face of the base are each provided with an inclined sliding groove A, the sliding grooves A are parallel to the inclined position of the rear end of the base, the four corners of the bottom of the base are each provided with a supporting foot, and each supporting foot is provided with an L-shaped penetrating groove. Due to the fact that the lower end of the limiting telescopic rod is located in the groove in the front end of the base, the lower ends of the hanging corners slide in the two sliding grooves A respectively, the upper end of the limiting telescopic rod is located in the groove of the top base, and the upper end of each hanging corner slides in the two sliding grooves B respectively, when the distance between the limiting telescopic rod and the front end of the interior of the adjusting base is enlarged, the hanging corners can slide in the sliding grooves A; the base and the top base move forwards under the limiting cooperation of the hanging corners. The problem that the jacking height of the support needs to be adjusted after the support is installed is solved.

本发明提供一种单向移动的公路桥梁盆式橡胶支座，涉及桥梁支座技术领域，包括底座；所述底座顶部后端位置为倾斜状，且前端位置开设有凹槽，底座的侧面两端位置分别开设有一处倾斜状的滑槽A，滑槽A与底座后端倾斜位置相平行，底座底部四边角位置分别设置有一个支脚，每处支脚开设有L形穿槽。由于限位伸缩杆的下端位置位于底座前端凹槽内，且挂角的下端位置分别滑动在两个滑槽A内，并且限位伸缩杆的上端位于顶座凹槽内，每个挂角的上端位置分别滑动在两个滑槽B内，在限位伸缩杆与调节座内部前端的间距扩大时，底座与顶座在挂角的限位配合下向前方位置移动。解决了支座安装之后还需调整支座的顶升高度的问题。

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