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Multistage yield stability resistance bearing support

A load-stabilizing force and sleeve technology, applied to building components, earthquake resistance, building types, etc., can solve problems such as insufficient ductility of metal dampers, and achieve the effects of enhancing energy consumption capacity of supports, increasing ductility, and large-tonnage design

Pending Publication Date: 2019-11-12
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the defect of insufficient ductility of metal dampers, the purpose of the present invention is to provide a multi-stage yielding anti-stabilization brace, which has multiple yield energy dissipation sections, good ductility, strong energy dissipation capacity, and stable energy dissipation effect

Method used

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  • Multistage yield stability resistance bearing support
  • Multistage yield stability resistance bearing support
  • Multistage yield stability resistance bearing support

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] see Figure 1 to Figure 22 , the multi-stage yielding anti-stabilization brace includes two rigid mandrels (1), two connection nodes (2), two inner anti-stabilization sleeves (5) and one outer anti-stabilization sleeve (6), It is characterized by:

[0058]1) The coaxial lines of the two rigid mandrels (1) are respectively installed in the two inner anti-stabilization sleeves (5), and the two anti-stability sleeves (5) are installed in the outer anti-stability sleeve (6), The inner ends of the two inner anti-stabilizing sleeves (5) are connected by a torsion limiting device, and the outer ends of the two rigid mandrels (1) are each fixedly connected to a connection node (2);

[0059] 2) The rigid mandrel (1) is equipped with multiple yield energy dissipation sections (3), and one end of each yield energy dissipation section (3) is connected to the rigid mandrel (1) by an energy dissipation section (4) ), and the other end is fixedly connected with the inner anti-stabil...

Embodiment 2

[0060] Embodiment 2: This embodiment is basically the same as Embodiment 1, and the special features are as follows:

[0061] There is a gap between the rigid mandrel (1) and the yield energy-dissipating section (3), which is filled with non-adhesive material to reduce friction; a longitudinal positioning device and a torsion limiting device are provided to ensure that the rigid mandrel (1) ) without offset and torsion; the inner and outer anti-stability sleeves (5, 6) are circular, or square, or regular polygonal in appearance.

[0062] By arranging yield energy dissipation sections (3) with different yield points or lengths, multi-stage yield energy dissipation is realized.

[0063] The longitudinal positioning device includes a limit groove longitudinal restraint plate (9) and a wear-resistant rolling body (10), and the wear-resistant rolling body (10) is placed in the limit groove of the limit groove longitudinal restraint plate (9) to form a longitudinal positioning devic...

Embodiment 3

[0069] Such as Figure 1 to Figure 22 As shown, the multi-stage yielding anti-stabilization brace includes a rigid mandrel (1), a longitudinal positioning device, a torsion limiting device, a multi-stage yielding energy dissipation section (3), energy dissipation section connecting parts (4), inner Anti-stability sleeve (5), outer anti-stability sleeve (6), sleeve connection part (7), connection node (2), occlusal-bolt connection, torsion limit installation device (16).

[0070] The connecting node (2) is connected to the rigid mandrel (1); the longitudinal positioning device is connected to the sleeve connecting part (7) through a bite-bolt connection; both ends of the torsion limiting device are connected to the sleeve connecting part (7) ) is connected by bolts; the connecting part (4) of the energy dissipation section is placed coaxially with the rigid mandrel (1) and fixedly connected by welding; the yield energy dissipation section (3) is coaxial with the rigid mandrel (...

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Abstract

The invention discloses a multistage yield stability resistance bearing support. The multistage yield stability resistance bearing support comprises a rigid core shaft, a longitudinal positioning device, a torsion limiting device, a plurality of multistage yield energy dissipation segments, an energy dissipation segment connecting part and an internal and external stability resistance sleeve. Themultiple yield energy dissipation segments are arranged on the rigid core shaft, and the longitudinal positioning device and the torsion limiting device are arranged by the multistage yield stabilityresistance bearing support so as to ensure that the rigid core shaft does not deflect and twist. According to the multistage yield stability resistance bearing support, the anti-seismic conceptual design is clear, the structure construction is simple, the material used is low in cost, the construction is convenient, and local replacement can be achieved.

Description

technical field [0001] The invention discloses a multi-stage yielding anti-stabilization brace, which belongs to the technical field of anti-seismic and energy-dissipating shock absorption of engineering structures. [0002] technical background [0003] The metal damper is a shock-absorbing energy-consuming device with a relatively simple structure, excellent performance, and relatively cheap price. Its working principle is to consume energy as an equivalent damping force by generating hysteresis during the plastic deformation of the metal. [0004] Due to the good energy dissipation effect and stable energy dissipation performance of metal dampers, they are widely used in shock absorption of building structures. [0005] After a section of the metal damper reaches yield energy consumption, this section will produce large flow-plastic deformation, and multiple sections cannot enter yield energy consumption, resulting in the defect of insufficient ductility of the metal dampe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/98E04H9/02
CPCE04B1/98E04H9/021
Inventor 胡宝琳徐庆
Owner SHANGHAI UNIV
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