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A critically unlocked vertical shock-isolation bearing and method

A vertical vibration isolation and unlocking technology, applied in the direction of shock absorber, spring/shock absorber, shock absorber-spring combination, etc., can solve problems such as reducing vertical stiffness, achieve good vertical support, good isolation shock effect

Active Publication Date: 2019-05-03
BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the seismic isolation layer of the building first needs to provide stable vertical support for the superstructure, the vertical isolation part of the three-dimensional isolation bearing still cannot significantly reduce the vertical stiffness

Method used

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  • A critically unlocked vertical shock-isolation bearing and method
  • A critically unlocked vertical shock-isolation bearing and method
  • A critically unlocked vertical shock-isolation bearing and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] See figure 1 and figure 2 , the critically unlocked vertical shock-isolation bearing of the first embodiment includes an upper support plate 1, a lower support plate 2, and a damper 3 and a first elastic member located between the upper support plate 1 and the lower support plate 2 4. The upper support plate 1 protrudes a first locking part toward the lower support plate 2, and the lower support plate 2 protrudes a second locking part toward the upper support plate 1, and the first locking part and The second locking part is provided with a locking tongue 7 and a locking hole 8 which cooperate with each other, and the first locking part and the second locking part can be rotated relative to each other, so that the locking tongue 7 can be inserted into or out of the locking hole 8. Lock hole 8; when the lock tongue 7 is inserted into the lock hole 8, the upper support plate 1 and the lower support plate 2 are relatively locked, and the first elastic member 4 is locked...

Embodiment 2

[0083] The difference from Embodiment 1 is that in Embodiment 2, one of the first locking component and the second locking component is a buckle, and the other is a hook; the locking hole 8 is The hole surrounded by the main body of the buckle, the lock tongue 7 is the hook of the hook.

[0084] Wherein, the difference between the buckle and the hook is that the lock hole 8 formed by the buckle is a complete hole rather than a partially opened hole. At this time, in order to realize the unlocking between the lock hole 8 and the dead bolt 7, the second elastic member 15 can be used to drive the locking part where the buckle is located to rotate, and the second elastic member 15 can be used to drive the lock where the dead bolt 7 is located. Tight parts turn. Certainly, the lock buckle can be arranged on the first locking part or on the second locking part.

[0085] Wherein, in order to distinguish partially open holes from completed holes, it is conceivable that a hole surrou...

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Abstract

The invention relates to the field of engineering structure shock isolation and equipment vibration control and provides a critical unlocking vertical isolation bearing and a method of the critical unlocking vertical isolation bearing. According to the critical unlocking vertical isolation bearing, prestress is applied to the position between an upper support plate and a lower support plate through a first locking component, a second locking component and a first elastic piece, so that part of deformation generated after the critical unlocking vertical isolation bearing bears the vertical load can be eliminated, when the first locking component and the second locking component conduct locking, the critical unlocking vertical isolation bearing has the large initial vertical rigidity, and meanwhile the purpose that the smaller rigidity of the first elastic piece can be set is achieved; and besides, when the pressure value of the upper support plate reaches the set value under the effect of a design earthquake, the opposite motions of the upper support plate and the lower support plate force a lock tongue to be separated from a lock hole, and the first locking component and the second locking component rotate relatively to complete unlocking, and therefore the first elastic piece with the small rigidity and a damper extend and contract under the earthquake effect for consuming energy, and the better shock isolation purpose is achieved.

Description

technical field [0001] The invention relates to the fields of engineering structure vibration isolation and equipment vibration control, in particular to a critically unlocked vertical vibration isolation support and a method thereof. Background technique [0002] Seismic isolation technology is to set a flexible layer between the upper structure of the building and the foundation. This kind of flexible layer with less rigidity is consciously set at a certain level of the building, which can effectively prolong the natural vibration period of the entire structural system and increase the damping. Reduce the seismic energy input of the upper structure, and then flexibly resist earthquakes, so as to achieve better overall economy and more reliable safety expectations. [0003] In the prior art, there are few studies on isolation of vertical vibration caused by vertical earthquakes. Among them, the difficulty in the vertical seismic isolation design of buildings lies in how to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F13/06
CPCF16F13/06
Inventor 李爱群刘胜强
Owner BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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