Plate type rubber bearing tensile mechanism
A plate type rubber bearing and rubber bearing technology, applied in building structures, bridge parts, bridges, etc., can solve the problems of high cost, complex connection and limit structure, unreasonable economy, etc., and achieve good seismic and impact resistance. , convenient processing and installation, cost reduction effect
Active Publication Date: 2016-08-03
SHANGHAI INVESTIGATION DESIGN & RES INST
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Problems solved by technology
When it is necessary to bear the tensile force, additional pull rods must be provided, and the connection and limit structures are very complicated and expensive
When the absolute value of the support reaction force is much greater than the tensile force under compression conditions, it is especially unreasonable economically to use pot-type tension-compression bearings or spherical tension-compression bearings that integrate tension and compression.
Method used
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[0021] like figure 1 The plate-type rubber bearing tensile mechanism shown includes a superstructure 1, a support structure 2 located below the superstructure 1, and a lower bearing plate 4, which is a part of the upper structure 1 or is fixed on the upper structure 1 The upper and lower supporting plates 4 are provided with a plate rubber bearing 3 and an upper cover plate 12, the plate rubber bearing 3 is located between the lower bearing plate 4 and the upper cover plate 12, and the tensile screw 6 pre-embedded in the supporting structure 2 Pass through the lower bearing plate 4, the plate rubber bearing 3, and the upper cover plate 12 in sequence, and fix it with the nut 7 after passing through the upper cover plate 12.
[0022] like Figure 4 As shown, the upper structure 1 is a box girder, and the lower bearing plate 4 is the bottom plate of the box girder, such as Figure 5 As shown, the lower bearing plate 4 is an overhanging corbel fixed on the outer web of the box ...
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The invention provides a plate-type rubber bearing tensile mechanism, which includes an upper structure, a supporting structure located below the upper structure, and a lower bearing plate, which is a part of the upper structure or is fixed on the upper structure. A plate-type rubber bearing and an upper cover are arranged above the lower bearing plate, and the plate-type rubber bearing is located between the lower bearing plate and the upper cover, and the tensile screws pre-buried in the supporting structure pass through the The lower bearing plate, the plate-type rubber bearing, and the upper cover are fixed with nuts after passing through the upper cover. It utilizes plate-type rubber bearings to limit the vertical displacement under tension, and is easy to install, economical and practical.
Description
technical field [0001] The invention relates to a plate-type rubber bearing tensile mechanism, which belongs to the technical field of civil engineering middle beams and structural bearings. Background technique [0002] The plate type rubber bearing has simple structure, convenient processing, reliable performance, low cost, good elastic damping, can reduce the impact of dynamic load on the structure, improve the mechanical performance and seismic performance of the bridge, but the bearing capacity is limited, so in the support Small and medium-sized bridges with small reaction force (support reaction force within 200t) are widely used in engineering, and pot bearings or spherical bearings are used when support reaction force is large (support reaction force is generally above 200t). [0003] Common plate-type rubber bearings are mostly compression bearings. When tension is required, tension bolts are generally set in the center of the bearing to connect the upper structure...
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IPC IPC(8): E01D19/04E04B1/36
Inventor 胡晓静任东辉徐俊杰
Owner SHANGHAI INVESTIGATION DESIGN & RES INST