Mechanical locking device used for continuous girder bridge under earthquake action
A locking device, mechanical technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve the problems of durability and maintenance, complex structure of viscous dampers and lock-up devices, high cost, and achieve friction coefficient. Small, reduce the earthquake response requirements, prevent the effect of falling beam phenomenon
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[0035] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0036] Such as Figure 1-4 As shown, the present invention discloses a mechanical locking device for continuous girder bridges under earthquake action with simple structure, convenient construction, and low installation and maintenance costs. It is installed between the beam body 1 and the movable pier 2, and connected The supports are connected in parallel, including the upper steel backing plate 3, the lower steel backing plate 4, the chute 6, the slider 5 and the slider locking mechanism, the upper steel backing plate 3 is anchored to the bottom of the beam body 1, and the lower steel backing plate 4 is anchored to the movable On the top of the pier 2, the chute 6 is anchored on the lower steel backing plate 4, the slider 5 is placed in the chute 6, and its top is anchored to the upper steel backing plate 3, and four slider locking mechani...
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