Rolling lifting type bridge anti-seismic check block device

Abstract

The invention discloses a rolling lifting type bridge anti-seismic check block device which is characterized in that a main beam is erected on a bent cap through a swing type support, welding steel boxes are arranged at the two ends of the bent cap, and the sides, facing the main beam, of the welding steel boxes are steps with arc-shaped transition sections; a vertical short steel plate is pre-buried in the corresponding side wall of the main beam; thick-wall steel pipes horizontally extending to the steps are fixed on the vertical short steel plates; a spring and a steel bar are arranged in the thick-wall steel pipe, one end of the spring is fixed to the vertical short steel plate, the other end of the spring is fixed to the inner end of the steel bar, the outer end of the steel bar extends out of the thick-wall steel pipe and is provided with a roller with a rotating shaft perpendicular to the steel bar, and the roller abuts against the step face of the lowermost step of the weldingsteel box. Under the action of earthquakes, earthquake energy is dissipated by fully relying on friction between component materials and lifting the main beam to overcome gravity to do the work, multiple defense and earthquake resisting effects can be effectively achieved, and the earthquake resistance of the bridge structure is remarkably improved.

Description

technical field [0001] The present invention involves bridge seismic and earthquake technology fields, which are specifically a rolling -lifted bridge seismic block device. Background technique [0002] 虽然地震是偶然事件,但一旦发生地震,将给建筑结构造成不同程度的损伤,地震破坏程度的不同导致后期恢复原有结构功能所需的维修加固成本也将有所不同。 With the statistical analysis of people's statistical analysis of the earthquake disaster data over the years, the structural earthquake resistance and earthquake design of the structure is increasingly attached to the structure of the structure, and the overall earthquake resistance capacity of the structure is improved by adopting some earthquake measures. 根据已有的地震灾害资料可知,由地震作用所导致的结构横向落梁时有发生,究其主要原因是结构设计时横向限位措施不到位,如缓冲消能措施、横向挡块等。 In order to effectively avoid or reduce the horizontal falling beams of the bridge structure, a large number of research work still needs to be carried out, and it has become a hot research topic in the field of earthquake engineering shock resistance and earthquakes. [0003] Und...

AI Technical Summary

Problems solved by technology

After statistically analyzing a large number of documents and patents related to seismic isolation, the applicant found that most of the existing bridge structure anti-seismic stoppers mainly rely on the deformation and destruction of the device itself to resist earthquake disasters, and the repositionability of the post-earthquake structure is relatively low. Poor, the repair cost is high, the economy is still insufficient, and its manufacturing and processing precision requirements are high, the cost is high, and the space required for installation and layout is large

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