Three-dimensional shock-insulation device capable of presetting vertical early stiffness
A vertical seismic isolation, three-dimensional technology, applied in the direction of earthquake resistance, building components, building structures, etc., can solve the problems of reducing the cost of seismic isolation, shortening the effective working length of the spring, not being able to stretch, energy consumption and shock absorption, etc., to achieve buffer tension The impact of extension and compression, reducing the cost of wind and earthquake resistance, and reducing the risk of overturning
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example 1
[0038] See figure 1 The three-dimensional seismic isolation device in this example is composed of a laminated rubber seismic isolation support and a vertical seismic isolation support connected in series.
[0039] See figure 1 with Figure 4 , The laminated rubber shock isolation support includes an upper connecting plate 14, a lower connecting plate 15, a laminated rubber pad 17 clamped between the upper and lower connecting plates, and six tensile steel cables 16; wherein, the upper The connecting plate 14 and the lower connecting plate 15 are both disc-shaped, and the edge of the upper connecting plate 14 is provided with mounting holes 13; the main body of the laminated rubber pad 17 is made up of a layer of rubber 17-1 and a layer of steel plate 17-2 alternately After being laminated, it is formed by compression and vulcanization, and a rubber protective layer 17-3 is naturally formed around it during the compression and vulcanization process. The upper and lower end faces...
example 2
[0048] This example has the following differences from Example 1:
[0049] See Figure 7-9 The first group of pre-compressed steel cables 8 and the second group of pre-compressed steel cables 7 are both composed of three pre-compressed steel cables.
[0050] See Figure 7-9 , The lower end of the first group of pre-compressed steel cables 8 and the upper end of the second group of pre-compressed steel cables 7 are respectively fixed on the lower end plate 3 and the upper end with a steel cable self-locking anchor 18 instead of the eyebolt in Example 1. On board 2. The middle part of the lower end plate 3 is thickened and bulges upward to form an inverted washbasin shape to facilitate the installation of the steel cable self-locking anchor 18. In order to prevent dust and other debris from falling on the disc spring assembly 4 and affecting the normal operation of the damper, a rubber protective sleeve 19 is wrapped on the outside of the back pressure device. The two ends of the pr...
example 3
[0055] See Figure 13-15 The difference between this example and Example 2 is that the first group of pre-compressed steel cables 8 and the second group of pre-compressed steel cables 7 are both composed of five pre-compressed steel cables. The upper end of the guide rod 1 is fixedly connected to the middle part of the lower surface of the upper end plate 2 into one body, and the lower end extends downward along the central hole of the disc spring assembly 4 to the middle part of the upper bulge passing through the lower end plate 3; The lower end plate 3 is in dynamic fit with the outer surface of the guide rod 1. A movable space 11 for the lower end of the guide rod 1 to expand and contract is formed between the lower surface of the lower surface of the raised middle of the lower end plate 3 and the lower surface of the edge of the lower end plate 3.
[0056] Embodiments other than the above in this example are the same as in Example 2.
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