A self-resetting energy-dissipating cable support device based on pre-compressed disc springs

Abstract

The invention relates to a self-resetting energy-dissipating cable support device based on a pre-compressed disc spring, which includes a connecting piece, a bottom plate, an upper cover plate, a reset mechanism, an energy-dissipating mechanism, a limit plate, and a high-strength steel cable; In the energy-dissipating mechanism, the reset mechanism and the energy-dissipating mechanism are arranged between the upper cover plate and the bottom plate; the high-strength steel cables are connected to the energy-dissipating mechanism; the energy-dissipating mechanism includes a sliding frame, a friction plate, a steel splint, a bottom plate, and an upper plate. The self-resetting support of the present invention has a self-recovery function after a strong earthquake, and conforms to the development direction of the support member. The self-resetting function of the support after the earthquake is realized by using the pre-compressed disc spring, which has the advantages of convenient construction and stable and reliable pre-compression; the use of high-strength steel cables instead of the rigid support form gives full play to the tensile properties of the material, saves materials, and reduces support Seismic response of the structure; using a special friction structure to improve the accuracy of friction force application.

Description

technical field [0001] The invention relates to a self-resetting energy-dissipating cable support device based on a pre-compressed disc spring, which belongs to the field of engineering shock-absorbing equipment. Background technique [0002] Traditional anti-seismic support members often produce large irreversible deformation after strong earthquakes, which not only poses a threat to the safety of the structure, but also causes a huge economic cost and repair time cost for the post-earthquake repair of the structure. The self-resetting support has a self-recovery function after a strong earthquake, which is in line with the development direction of the support member. [0003] From the perspective of the force characteristics of the supporting members, the existing self-resetting supports generally adopt the form of rigid supports, but due to the prominent stability problems, it is often necessary to choose a larger cross-sectional area, a large amount of materials, and a s...

AI Technical Summary

Problems solved by technology

[0004] From the point of view of the material selection of the self-resetting system, most of the existing self-resetting supports use prestressed composite material tendons, which have the following disadvantages: it is difficult to apply prestress, and the tension control stress is not easy to control accurately; the performance requirements of prestressed tendons are high. The price is high; the prestressed tendon anchoring process requires high requirements; anchors often need special design, etc.

[0005] In addition, the friction force of the existing self-resetting support friction system is also difficult to accurately control

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