Bi-elastic ball joints slip bearing factory, two-way sliding bearings, bearing the finished truss manufacturers

 It should be noted here, the European standard EN1337-7 design is based on the destruction of the elastic limit state two-way sliding ball joint bearing manufacturers, the role of the load should be multiplied by the corresponding load factor, considering the dead load and live load, the load coefficient of about 1.35 to 1.54 in quality control, and resistance skateboard material should also be sub-divided by the material factor. Damage limit state design strength Hengshui taken bi-Run Production of finished sliding bearings, much larger than the allowable stress design of press material strength values, so the design does not consider the impact of the sliding surfaces eccentric moments, without regard to skateboard bearing area reduction, directly by the vertical load of the average stress, were taken in the design strength of the material should be 30MPa and 45MPa, to determine the skateboard area is somewhat safe and feasible. Currently in the domestic ball bearing Single Support continuous curved plate structure, single column supported continuous curved box girder structure, continuous support of T-post and beam structure large span cable-stayed widely used overseas. Shanghai Yangpu Bridge positive step onto the bridge with a four-way activity 15MN ball bearing, due to the positive bridge length 1178m, long bridge between the two ends of the movable carriage 1088m looking for two-way sliding bearings professional manufacturers Guangrun, Since the temperature, live load and wind load and other factors bearing on the maximum design displacement reached at +850 and -650mm. Specially made ball bearings large displacement type PTFE wear I can experiment with vinyl sheets. After 13 group (26) block PTFE plate in grease lubrication wear long-distance performance simulation (for example wear specimens up 2KM) show large displacement ball bearings must be molded PTFE plate , the molding pressure of not less than 30MPa. PTFE plate wear liquid molding process will grease pit cracking along the reservoir, and thus should not be used. [Grid] bearing steel bearing a major technical performance, can withstand vertical load; 2, with anti-vertical tension performance guarantee and down vertical seismic structure is not out of line; 3, [bearing] grid performance with anti horizontal force to ensure the horizontal seismic structure does not fall off; 4, can be adapted to the radial and circumferential displacement requirements; 5, can be adapted to the requirements of the corner in any direction; 6, damping bearings with good damping properties ; 7, bearing force transmission through the sphere, there are no two-way force necking slip seat, acting on reaction force under uniform structure; 8, bearing no rubber bearing, rubber aging of the branch does not exist impact seat, long service life. [Grid] bearing steel bearing technical parameters 1, bearing vertical bearing capacity into 300KN, 500KN, 1000KN, 1500KN, 2000KN, 2500KN, 3000KN, 4000KN, 5000KN, 6000KN, 7000KN, 8000KN, 9000KN, 10000KN ten Four Level 2, bearing anti horizontal force for vertical bearing capacity of 20% 3, bearing anti-vertical tension: GKQZ type, GJQZ anti vertical pull the vertical bearing capacity of 20%; [grid support Block] GKGZ type, GJGZ anti Vertical Rally for the vertical bearing capacity 30% 4, the design angle is 0.08rad (can be designed according to user requirements) 5, the radial displacement of the bearing ± 20mm- ± 50mm, ring the amount of displacement ± 60mm- ± 100mm; 6, the coefficient of sliding friction bearing μ≤0.03 (-25 ℃ - + 60 ℃);