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实用新型
CN201891072U 桥梁球型支座 失效 - 权利终止

桥梁球型支座
摘要：
桥梁球型支座，旨在延长支座的使用寿命。它包括上锚碇板(10)、耐磨板(11)、球冠衬板(23)、下锚碇板(20)和下支座板(21)，其特征在是：所述上锚碇板(10)和下支座板(21)接触面之间设置有转动块组件(12)，上锚碇板(10)与转动块组件(12)形成滑动配合，下支座板(21)则与转动块组件(12)形成摩擦副。本实用新型的有益效果是，当支座发生转动时，下支座板与转动块组件的弧面始终紧密接触，而转动块组件与上锚碇板始终保持半面接触，受力均匀，从而延长支座的使用寿命。
摘要（英）：

The utility model discloses a spherical bearing for a bridge in order to prolong the service life of the bearing. The spherical bearing comprises an upper anchor plate (10), a wear-resisting plate (11), a spherical crown lining plate (23), a lower anchor plate (20) and a lower bearing plate (21) and is characterized in that a turning block assembly (12) is arranged between contact surfaces of the upper anchor plate (10) and the lower bearing plate (21); the upper anchor plate (10) and the turning block assembly (12) are in sliding fit; and the lower bearing plate (21) and the turning block assembly (12) form a friction pair. The spherical bearing has the beneficial effects that when the bearing rotates, the lower bearing plate is always in close contact with the arc surface of the turning block assembly, the turning block assembly is always in half-surface contact with the upper anchor plate, and the stress is uniform, thereby prolonging the service life of the bearing.

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