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铸钢

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1200

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Grid frame shock-absorbing spherical steel bearings
It is a grid shock-absorbing spherical steel bearing that our company has accumulated more than ten years of production and operation.
It is a grid-frame damping spherical steel bearing that is built by our company using precision machinery and first-class production technology
It is our company's large wholesale quantity of finished products that favors you.
Grid shock-absorbing spherical steel bearing
According to the structural form, it can be divided into longitudinal movable bearings, multi-directional movable bearings and fixed bearings.
Grid shock-absorbing spherical steel bearing
Features
The material of the bearing, stainless steel plate, polytetrafluoroethylene sliding plate, rubber sealing ring, etc. are all implemented in accordance with the standard regulations, among which the elastic shock-absorbing parts are in accordance with Car leaf spring technical conditions are implemented.
Cast steel is produced according to standards.
The grid shock-absorbing spherical steel bearing
can rotate in all directions and bear load in all directions, and can well meet the various loads of the superstructure (such as dead load, live load, wind, earthquake force, etc.) The transmission, rotation and movement requirements of the generated reaction force ensure that the resultant reaction force is concentrated, clear, safe and reliable. The seismic spherical steel bearings of the grid frame must withstand tension, compression, and shear (lateral) forces. Under the action of huge random earthquake forces, as long as the upper and lower structures themselves are not damaged, there will be no falling beams or falling beams due to the existence of such bearings. Catastrophic consequences such as falling of the frame (generally speaking, the support is a weak link. Under the action of strong earthquake forces, falling beams and falling of the frame are very easy to occur. The strength and ductility of this type of support are higher than the structure itself, so it is particularly suitable for The fortification of high-intensity earthquake areas has the ability to withstand earthquake intensity levels. Compared with other bearings (such as plate rubber bearings, pot-type rubber bearings and other spherical earthquake-resistant bearings), the static stiffness is large, and under the huge self-weight and inertia Under the action of force, the bearing only produces minimal deformation, which can reliably guarantee the building.
Grid shock-absorbing spherical steel bearing
The force is transmitted through the spherical surface, the force-bearing area is large, and several An optimized combination of materials, so compared with other hinge structure supports (swing supports and roller supports, their volume and height are greatly reduced, light weight, easy to install, and cost-effective compared with steel supports with the same bearing capacity Lower. The applicable temperature range of the anti-seismic spherical steel bearing is wide (~+℃). It has good durability and does not use rubber to bear pressure
There is no impact of rubber aging on the rotation performance of the bearing
Grid shock-absorbing spherical steel bearing
Earthquakes have caused serious damage to bridge buildings and steel structure grid projects. Countries around the world, especially earthquake-prone countries, have formulated seismic design specifications and corresponding regulations for bridges and steel structure grids based on their actual conditions. Various structural measures. However, the dominant idea of seismic design in the past has always been to improve the structural strength through some measures to resist earthquakes. This head-on approach used seismic measures to overcome rigidity. Many bridges were designed to no avail, and were destroyed once and brought about The tragic loss of life and property has made people realize that the seismic anti-seismic method that has invested a lot of money can no longer solve the problem. Therefore, it has prompted technicians to consider finding another way to resist earthquakes by using softness to overcome hardness, that is, on the basis of seismic design Seismic reduction and isolation designs are introduced to reduce earthquake effects, minimize the damage of bridges and steel grid structures under the action of earthquake forces, and make them easier to repair after earthquakes. Achieving safe and reasonable earthquake resistance has become a long-term pursuit of people. The goals and research content, and with the development of earthquake engineering, the research on shock absorption is also deepening.