Sliding spherical bearings, when buying universal sliding spherical bearings, it is better to buy Haotong, the user comes first!

材质：

铸钢件

发货期限：

15天|10天

价格：

300

Sliding spherical bearing
When buying a universal sliding spherical bearing, it is better to buy it from Haotong, the user comes first!
Hengshui Haotong Engineering Rubber Co., Ltd. specializes in the production of
sliding spherical bearings
, and the produced
sliding spherical bearings
have good effects, one-year warranty, and low prices!
Sliding spherical bearing
Technical parameters
The vertical bearing capacity of the bearing is divided into fourteen levels
The resistance to horizontal force is 3% of the vertical bearing capacity
The resistance to vertical tension of the support is 3% of the vertical bearing capacity
, The design angle is. (can be designed separately according to user requirements)
, The radial displacement of the support -, the circumferential displacement
, The sliding friction coefficient of the support is .3 (-℃-+℃ )
, Bearing rotational friction coefficient
Sliding spherical bearing
Structural features and functions
The sliding spherical bearing consists of an upper seat plate, a lower seat plate, a convex middle plate and two Composed of polytetrafluoroethylene sheets of different shapes. There is a concave spherical surface in the middle of the lower seat plate, which corresponds to the convex middle plate. There is an arc-shaped PTFE plate lined between the two, and the spherical surface slides with it to meet the rotation of the beam end. The stainless steel plate on the upper seat plate and the middle steel plate Another PTFE plate forms a second sliding surface to complete the expansion and contraction displacement of the beam due to temperature differences and other factors.
The spherical sliding bearing has reliable force transmission and consistent rotation performance in all directions. It not only has the characteristics of large load-bearing capacity and large horizontal displacement of the basin-type rubber bearing, but also can adapt to the needs of large turning angles. It is suitable for wide bridges and curves. bridge. Since the pressure-bearing parts do not use rubber parts, there is no impact of low-temperature brittle aging of rubber, so it is especially suitable for low-temperature areas.
Installation of sliding spherical bearing

The installation plan and connection form of the bearing should be specifically agreed with the structural designer to ensure reliable connection and functional performance of the upper and lower structures and the bearing. .
The number of the lower reinforced concrete column shall not be lower than grade 1.
The internal reinforcement of the column should refer to the research and analysis results during the design of this support, that is, within the height range from .b to .b from the top of the column along the column axis to the column foot (b is the column cross-section width), To increase the configuration of the horizontal stirrup section, the amount of increase is determined based on the bearing capacity analysis results.
The movable support sets an offset value between the upper support plate and the sliding plate according to design needs.
If the connection between the support and the embedded steel plate is welded, cooling measures should be taken, or the method of intermittent welding on the opposite sides can be used to prevent the support steel parts from overheating and damaging the polytetrafluoroethylene plate, rubber sealing ring and Silicone grease.
Before installation, the elevation and levelness of the substructure should meet the design requirements. The height difference between the four corners of the support shall not be greater than mm.
The center line of the support should coincide with the center line of the main beam and the installation line of the lower structure.
After the supports are installed in place, the welding of the base plate and the embedded steel plate meets the design requirements. After the construction of the beam body is completed, the temporary connections should be removed immediately.
When installing the support, the connection between the upper support plate and the lower support plate must be installed. After the support is installed, remove it and install the dust cover immediately (the dust cover is a rubber plate , the same on-site construction unit is responsible for installation).
Maintenance of sliding spherical bearings
During the use of the bearing, check and maintain it regularly.
. Check whether the support and the upper and lower connecting parts are damaged, check whether the bolts are sheared or loose, and whether the welds are cracked, etc.
Check the dust accumulation in the dust cover and remove the dust.
. Check the rubber sealing ring for cracks and aging.
, Turn the fixing nut, clean it and re-oil it to avoid rust.
. Check the height change of the support itself. This change reflects the wear of the PTFE plate. When the height change exceeds mm, it should be overhauled.
. Check the integrity of the anti-rust paint. If there is any peeling off, use emery cloth to grind out the steel body and give it a metallic luster before repainting.
After special circumstances occur (such as earthquakes, destructive winds, etc.), the above contents should be checked in time.
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