Composite friction pendulum seat plate

Abstract

The application discloses a composite friction pendulum seat plate, which comprises a stainless steel concave spherical plate, an outer ring plate, an end plate, a sleeve, an anchoring plate, a rib plate and filled steel fiber concrete, the convex surface of the stainless steel concave spherical plate is welded and fixed with the end plate, the ring rib plate and the radial rib plate, the outer ring plate is welded and fixed with the radial rib plate, the end plate and the anchoring plate, the sleeve is provided with internal threads and is welded and fixed with the end plate and the outer ring plate, the stainless steel concave spherical plate, the carbon steel end plate, the outer ring plate, the anchoring plate and the rib plate are welded and formed, and the micro-expansion steel fiber concrete is poured into cavities, the structure has small steel consumption, light self weight and low overall cost, the stainless steel concave spherical plate is closely attached to the concrete, stress is uniformly distributed, and the friction pendulum performance is good.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bridge construction, in particular to a composite friction pendulum seat plate. BACKGROUND

[0002] The seismic isolation bearing is used for realizing the seismic reduction and isolation function by using the pendulum principle, realizing the seismic reduction function by friction consumption of the sliding interface, and realizing the seismic isolation function by prolonging the beam movement cycle. In order to meet the seismic displacement and the seismic reduction function, the outer shape size of the friction pendulum curved surface seat plate is large, the structural steel weight is large, the cost is high, and the economy is poor. The traditional friction seat plate adopts the carbon steel cladding welding stainless steel plate composite friction pendulum seat plate, which is easy to cause the hollow drum, the stainless steel is easy to deform and fall off in the process of the fast friction pendulum in the earthquake, and the seismic reduction and isolation performance is affected. SUMMARY

[0003] The purpose of the present application is to provide a composite friction pendulum seat plate, which is formed by welding a stainless steel concave spherical plate with a carbon steel end plate, an outer ring plate, an anchoring plate and a rib plate, and pouring micro-expanding steel fiber concrete in the cavity, so that the structural steel amount is small, the structural self-weight is light, the overall cost is low, the stainless steel concave spherical plate is closely attached to the concrete, the stress is uniform, and the friction pendulum performance is good.

[0004] The purpose of the present application can be achieved by the following technical scheme:

[0005] A composite friction pendulum seat plate, comprising a stainless steel concave spherical plate and a steel fiber concrete filled in the bottom of the stainless steel concave spherical plate, a peripheral surface of the stainless steel concave spherical plate is fixedly connected with an end plate, a bottom of the end plate is fixedly connected with an outer ring plate, the bottom of the end plate is fixedly connected with a plurality of sleeves, a top of the stainless steel concave spherical plate is fixedly and staggeredly provided with a plurality of radial rib plates, a bottom surface of the stainless steel concave spherical plate is fixedly connected with a ring rib plate, one end of the sleeve is provided with an internal thread, and a bottom of the outer ring plate is fixedly connected with a plurality of anchoring plates.

[0006] As a further scheme of the present application, the height of the steel fiber concrete filling is flush with the outer ring plate and the anchoring plate.

[0007] As a further scheme of the present application, the surface of the sleeve is welded with the surface of the outer ring plate.

[0008] As a further scheme of the present application, the end surface of the anchoring plate is flush with the end surface of the outer ring plate, and one side of the anchoring plate is fixedly connected with one side of the radial rib plate.

[0009] The present application has the advantages that the stainless steel concave spherical plate is formed by welding with the carbon steel end plate, the outer ring plate, the anchoring plate and the rib plate, and the micro-expanding steel fiber concrete is poured in the cavity, so that the structural steel amount is small, the structural self-weight is light, the overall cost is low, the stainless steel concave spherical plate is closely attached to the concrete, the stress is uniform, and the friction pendulum performance is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be further described below with reference to the accompanying drawings.

[0011] Fig. 1 It is a half-section schematic diagram of the overall structure of the present invention;

[0012] Fig. 2 It is a schematic diagram of the overall external structure of the present invention;

[0013] Fig. 3 It is a top view of the overall external structure of the present invention.

[0014] In the figure: 1. Stainless steel concave ball plate; 2. End plate; 3. Outer ring plate; 4. Sleeve; 5. Anchor plate; 6. Ring rib plate; 7. Radial rib plate; 8. Filled with steel fiber concrete. DETAILED DESCRIPTION

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0016] See also Figs. 1-3 As shown, the present invention is a composite friction pendulum seat plate, comprising a stainless steel concave ball plate 1 and a filled steel fiber concrete 8 located at the bottom of the stainless steel concave ball plate 1, the circumferential surface of the stainless steel concave ball plate 1 is fixedly connected to an end plate 2, the bottom of the end plate 2 is fixedly connected to an outer ring plate 3, and a shear pin through-hole is provided on the end plate 2, and a plurality of sleeves 4 are fixedly connected to the bottom of the end plate 2, and a plurality of radial rib plates 7 are fixedly and staggeredly arranged on the top of the stainless steel concave ball plate 1, and a ring rib plate 6 is fixedly connected to the bottom surface of the stainless steel concave ball plate 1, one end of the sleeve 4 is provided with an internal thread, and a plurality of anchor plates 5 are fixedly connected to the bottom of the outer ring plate 3, and the height of the filled steel fiber concrete 8 is flush with the outer ring plate 3 and the anchor plate 5, and the surface of the sleeve 4 is welded to the surface of the outer ring plate 3 to improve the shear pin anchoring capacity, and the anchor plate 5 is flush with the end surface of the outer ring plate 3, and one side of the anchor plate 5 is fixedly connected to one side of the radial rib plate 7.

[0017] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A composite friction pendulum seat slab comprising a stainless steel concave spherical slab (1) and a steel fiber reinforced concrete (8) filled at the bottom of the stainless steel concave spherical slab (1), characterized in that, The peripheral surface of the stainless steel concave spherical plate (1) is fixedly connected with an end plate (2), the bottom of the end plate (2) is fixedly connected with an outer ring plate (3), the bottom of the end plate (2) is fixedly connected with a plurality of sleeves (4), the top of the stainless steel concave spherical plate (1) is fixedly and staggeredly provided with a plurality of radial rib plates (7), the bottom surface of the stainless steel concave spherical plate (1) is fixedly connected with an annular rib plate (6), one end of the sleeve (4) is provided with an internal thread, and the bottom of the outer ring plate (3) is fixedly connected with a plurality of anchoring plates (5).

2. A compound pendulum seat plate according to claim 1, characterized in that The filling height of the filled steel fiber reinforced concrete (8) is flush with the outer ring plate (3) and the anchoring plate (5).

3. A compound pendulum seat plate according to claim 1, characterized in that The surface of the sleeve (4) is welded with the surface of the outer ring plate (3).

4. The compound pendulum seat plate according to claim 1, wherein The end surface of the anchoring plate (5) is flush with the outer ring plate (3), and one side of the anchoring plate (5) is fixedly connected with one side of the radial rib plate (7).

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