[Architecture] power slide ball bearing hinge method in equilibrium, if it is applied to small vibration interference occurs, then the deformation and vibration acceleration structures have been acting on the structure and load related. When the load is less than the stable limit load value, acceleration and deformation in the opposite direction, so after the interference is removed, movement tends stationary equilibrium state is stable structure; when the load is greater than the stable limit load value, and the acceleration direction of the deformation the same, even if the interference is removed, the motion is still divergent, thus equilibrium structure is unstable. [Slide] ball joints buckling load bearing load is the structure of the critical state, the vibration frequency of the structure by the condition of zero solution, too. [Slide ball bearing hinge] Main Features 1. Lead damper unidirectional ball bearing hinge casting brand reputation, the equivalent resistance 尼比达 more than 20%, can consume a lot of seismic energy, with good energy dissipation capacity 2. The word has a lower coefficient of kinetic friction, in the normal state can effectively release temperature stress structures. 3. aspect to withstand the horizontal forces, and has the ability to uplift and better. 4. has good durability. 5. After the damping member has a replaceable, easy to seismic bearing replacement and maintenance. [Slide] PQXZ series ball bearing hinge basin seismic ball bearing basin PQXZ series ball bearings also belong to the seismic shock type of bridge bearings. Hebei Hengshui class seat is wide-Engineering Rubber Co. absorb the current domestic use of pot bearings and spherical bearing products and related structural features of similar products abroad, the overall design of other beneficial properties from a new patent products. PQXZ series basin seismic ball bearing structure and specifications series [slide] PQXZ series ball bearing hinge ball bearing basin is divided into two-way bearing activities (SX model), one-way bearing activities (DX-type) and a fixed support Block (GD type) three types. [Slide ball bearing hinge installation and maintenance] [slide ball bearing hinge With the social development and progress, attention has important implications for the design and installation of building steel structure analysis. This paper focuses on the design and installation of steel buildings to explore. Currently, the actual construction of steel structures design. Structural analysis of linear elastic analysis is often under conditions permitting, you can usually consider the carbon performance of recent and geometric nonlinear finite element software and steel, [slide ball bearing hinge] it for more accurate analysis of building structures provided the conditions. Structural analysis and design illustrates that not all need to use structural analysis software, the typical structure can be analyzed by investigating mechanics manuals and other books of internal forces and deformation theory, a simple structure can be counted by hand the way, the complex structure of the building, you can use news analysis program models were run. [Slide ball bearing hinge] way out of the box after entering the Order activity ball bearing hinge finished, you should check the packing list, including parts inventory, raw materials, copies of inspection reports hinged ball bearings, ball joints [slide bearings ] product certification and installation of conservation rules and grease, etc. Installation considerations. [Slide] ball bearing hinge should be parallel with the centerline of the bridge centerline. Bearing activities on the roof and the top of the basin along the centerline of the bridge under the direction should coincide, the angle may not play at 5 'shall not release the fixed plate on top and under the bottom of the basin is connected when the seat is installed in order to prevent excessive corner and overturning. The connecting plate to be dismantled after the beam is installed, to prevent the normal constraints of the rotation and telescoping beam. Retaining strap on the top and bottom of the basin under way after the removal of the finished rolling ball bearing hinge quotes, timely installation activities bearing dust cover. Cast concrete beam after beam placement completed before applying prestressing the retaining strap removed. [Slide ball bearing hinge] before installing the dust cover, a stainless steel surface should be carefully wiped clean to prevent dust intrusion PTFE plate surface. For bearing steel paint was knocked part, should make up the paint brush again. 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