Year1
- 厂家：
- 衡水德祥
- 规格：
- 400*8
- 型号：
- GYZF4
Rubber bearings* Circular plate bearing rubber bearing specifications:
Scope of application: Used in bridge engineering Introduction:
1. Rubber bearings The plate rubber bearing products produced by our company mainly include: ordinary plate bearings, PTFE plate bearings, spherical crown plate rubber Three types of supports. When a layer of thick polytetrafluoroethylene material is adhered to the surface of the plate rubber bearing, it can be made into a polytetrafluoroethylene sliding rubber bearing. In addition to its vertical stiffness and elastic deformation, it can withstand vertical loads and adapt to beams. The low friction coefficient of the PTFE plate due to the external rotation of the end allows the beam end to slide freely on the surface of the PTFE plate without restriction of horizontal displacement. It is especially suitable for bridges with medium and small loads and large displacements. The bridge bearing products produced by our company are not only It has advanced technology, excellent performance, simple structure, low price, no need for maintenance, easy replacement of buffering and isolation, and low building height. Therefore, it is very popular and widely used in bridge supports.
2. Classification and representation of plate bearings. According to the structural types of bridge plate rubber bearings, they are classified as follows: ordinary plate rubber bearings, spherical crown round plate rubber bearings (series), rectangular ordinary plate rubber bearings (series round) Shape ordinary plate rubber bearing (series) PTFE plate rubber bearing - round PTFE plate rubber bearing (series) rectangular PTFE plate rubber bearing (series) spherical crown PTFE plate rubber bearing (series) , Plate rubber bearings are classified according to the applicable temperature of the rubber type as follows: chloroprene rubber applicable temperature + ℃ ∽ - ℃, natural rubber applicable temperature + ℃ ∽ - ℃,
EPDM rubber applicable temperature + ℃ ∽ - ℃ 3. Applicable scope of plate rubber bearings
Generally speaking, ordinary plate rubber bearings are suitable for bridges with smaller spans and smaller displacements. Different plane shapes are suitable for orthogonal bridges with different bridge span structures. Rectangular bearings are used for curved bridges, skew bridges and cylindrical pier bridges. Circular bearings
and PTFE plate rubber bearings are suitable for large displacements of large span, multi-span continuous, simply supported beam continuous plate and other structures. Bridge. It can also be used as a slider in continuous beam pushing and profiled beam traverse movement. The application of rectangular and circular PTFE plate rubber bearings is the same as that of rectangular and circular ordinary plate rubber bearings.
Spherical crown circular plate rubber bearing: The spherical crown circular plate rubber bearing is an improved circular plate rubber bearing. The arrangement of the middle layer of rubber and steel plate is exactly the same as that of the circular plate rubber bearing and the top surface of the bearing Made of pure rubber, the spherical surface is made of pure rubber. The maximum thickness of the spherical center rubber is - spherical edge to adapt to % to % longitudinal and transverse slopes. The center of the contact surface between the lower beam and the support tends to the center of the circular plate rubber support. The beam end reaction force passes through the spherical surface The rubber gradually spreads to the lower layers of steel plates and rubber layers. Add a semicircular rubber ring with a diameter D=. to the bottom of the rubber bearing. When the bearing is stressed, the bottom ring is first deformed and compressed to adjust the stress condition of the bottom surface. In order to improve or avoid the occurrence of hollowing on the bottom surface of the support, the force on the bottom surface of the support is uniform. Rectangular (circular) plate rubber bearing
(1) Performance: This product is inlaid with multi-layer rubber sheets and thin steel plates. It is produced by bonding and pressing. It has sufficient vertical stiffness to bear the vertical load, can reliably transmit the reaction force of the upper structure to the pier, has good elasticity to adapt to the rotation of the beam end, and has large shear deformation to satisfy the upper structure. Horizontal displacement of the structure.
(2) Features: This product has been widely used in bridge construction, hydropower projects, and house earthquake-resistant facilities. Compared with the original steel bearing, it has a simple structure, is easy to install, saves steel, is cheap, and is easy to maintain. It has the advantages of easy replacement and the low building height of this product is beneficial to bridge design and cost reduction. It has good seismic isolation effect and can reduce the impact of live load and seismic force on the building. PTFE plate rubber bearing
WhatsApp
