A Tension Locking Device Used on a Shock-Isolation Rubber Bearing

Abstract

The invention relates to a pulled locking device for an earthquake isolation rubber bearing. The pulled locking device comprises two installation steel plates (1), fastening pieces, splicing nuts (5) and a pull rod (6). The two installation plates (1) are placed at the upper portion and the lower portion of the rubber bearing respectively and connected with the rubber bearing through bolts. Vertically-corresponding reserved holes are formed in corners of the installation steel plates (1). The fastening pieces are fixed to the upper and lower installation steel plates (1) through the reserved holes. The fastening pieces are connected with the pull rod (6) through the splicing nuts (5). When affected by small-earthquake loads, the whole pulled locking device does not displace under the action of the pull rod (6), a small angle is generated at the top end of the pull rod (6), and the pull rod (6) is pulled; when affected by loads of large-earthquake or loads of larger-earthquake, the pull rod (6) is pulled off, the rubber bearing plays a role in energy dissipation, the bearing displaces horizontally, and secondary control is achieved.

Description

Technical field [0001] The invention relates to a tension locking device used on a shock isolation rubber bearing. Background technique [0002] Existing vibration-isolating rubber bearings, under the action of earthquakes or other loads, often produce large horizontal displacements in order to consume energy and reduce damage to the superstructure. Although the seismic isolation (vibration) effect is significant, the horizontal direction of the support is relatively flexible, and a certain displacement may also occur under the action of small earthquakes and moderate earthquakes, which means that the seismic response of the seismic isolation support cannot be controlled at different levels. Therefore, the existing vibration isolation rubber bearings have certain limitations in the application of some special buildings with strict requirements on displacement. Summary of the invention [0003] In view of the defects in the prior art, the purpose of the present invention is to pro...

AI Technical Summary

Problems solved by technology

Although the isolation (vibration) effect is remarkable, the horizontal direction of the support is relatively soft, and a certain displacement may occur under the action of small earthquakes and moderate earthquakes, that is, the seismic response of the isolation support cannot be controlled in stages

Therefore, the existing seismic isolation rubber bearings have certain limitations in the application of some special buildings with strict displacement requirements.

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