- Company : Zaoqiang Dacheng Rubber Co., Ltd
- Region : Hebei , China
- Category : Rubber & Plastics > Rubber Products
- Specification : Loose the anchor nut regularly, clean and oil the anchor nut to avoid rust, and then fasten the anchor nut. Check the height changing of the spherical bearing to confirm the abrasion condition of the PTFE slide. And when the height of spherical bearing changes over than 3 mm, the rubber sealing should be removed to inspect the condition of the PTFE slide. Painting the steel components of the spherical bearing regularly to avoid rust destroy (except the stainless steel slide).
- Price : 13USD/piece
- Contact Person : Li Ming|||
- Website : http://www.bridgebearing.org
- Email : [email protected]
- Update : Oct/12/2016
Product Details
Spherical bearing, also called spherical bridge bearing, is one type of bridge bearings with large rotation capacity. Similar with pot bearing, spherical bearing also can be divided into three types: fixed spherical bearing, guided spherical bearing and free sliding spherical bearing. With high strengthened steel body, spherical bearing is especially designed for high vertical, horizontal and lateral loads and where large rotational structural displacements need to be accommodated. Spherical bearing types Fixed spherical bearing only allows for rotations, any longitudinal or traversal movement is restrained. Guided spherical bearing with edge steel guide accommodates unidirectional movements. Free sliding spherical bearing can slid in all directions. Working principle of spherical bearing Spherical bearing is formed by top steel plate, stainless steel slide, PTFE slide, convex plate, curved PTFE and concave plate. The sliding of convex plate and concave plate can accommodate the structural rotations of the beam end. The stainless steel slide and PTFE slide can further reduce friction coefficient, thus displacement of expansion and contraction can be accommodated. While, depending on whether the spherical bearing is fixed, guided or free sliding, the vertical loads, horizontal forces, longitudinal movements or transverse movements can be accommodated. What's more, the guided bar and the restraining ring also can transmit the horizontal forces. Thus, spherical bearings are especially suitable for more complex bridges. Main technical performance Spherical bearing vertical loading capacity (kN): 1000, 1500, 2000, 2500, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10000, 12500, 15000, 17500, 20000. Design displacement of spherical bearing Bridge in longitudinal direction 1000 - 2500 kN e = ±50 mm e = ±100 mm. 3000 - 20000 kN e = ±50 mm e = ±100 mm e = ±150 mm. Bridge
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