Earthquake shake avoidance device

Abstract

To provide an earthquake shake avoidance device that helps to solve such the problem with an earthquake that, irrespective of the magnitude, significantly impacts on various aspects and results damages in broad range.SOLUTION: An earthquake shake avoidance device includes A, B, C, and 11 combined with the three layers, thereby converting shakes of an earthquake into a rotational motion to absorb the shakes.

Description

Technical Field

[0001] The present invention is to avoid the influence of seismic motion on structures.

[0002] Conventional seismic isolation structures include those that achieve seismic isolation by laminating special materials, those that absorb shaking with absorbers, or those called dampers.

Prior Art Documents

[0003]

Summary of the Invention

Problems to be Solved by the Invention

[0004] Damage caused by seismic motion extends to many aspects, such as all structures on the ground and the scattering of furniture and goods on the shelves inside them. The present invention is designed to avoid the shaking of an earthquake and reduce damage without resisting it.

Means for Solving the Problems

[0005] The present invention provides a spherical rotating body between the ground and the structure, and the rotation of the rotating body allows the shaking caused by an earthquake to escape.

Effects of the Invention

[0006] By providing a rotating body between the ground and the structure, the shaking caused by an earthquake is converted into rotational motion and absorbed, thereby minimizing the influence of the earthquake.

Brief Description of the Drawings

[0007]

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[0008] The mode for carrying out the present invention will be described. FIG. 1 shows a rectangular slide plate A. The central part is cut out in a circular shape to form a circular hole 2, and a plurality of holes 3 are provided at convenient positions. The front and back surfaces are flat. FIG. 2 is a cross-sectional view of FIG. 1. FIG. 3 shows plate B. No external pressure is applied to this plate B. A cylindrical convex part 6 is provided at the central part, and a structure is placed on this 6. A plurality of circular holes 5 are provided at convenient positions. Except for 6, the front and back surfaces are flat. FIG. 4 is a cross-sectional view of FIG. 3. Figure 5 shows the base anchor C fixed to the ground (floor). There are a plurality of recesses 12 on the upper surface of the central part, and 11 is arranged therein. Also, there are a plurality of screw holes 8 at convenient positions. These 8 are at the same position as 3 of A. A main bolt 10 is installed in these 8. One end of 10 is at 3 of A The other end is also attached to 8 of C. Thus, A and C are always integrated via 10. Also, at the position of 16, it is made slightly thinner and stepped. The thick part serves as a stopper when 18 is tightened. Also, C has an edge 13. Another edge 15 of the same size is fixed to the ground, and the edges are integrated with each other by an anchor bolt 14. Regarding A and B, 2 of A is rounder and larger than 6 of B, and 5 of B also has a round and large circular empty space with respect to 10. The circular empty spaces of 2 and 5 are provided as spaces to allow the shaking of the earthquake to escape. If the movement of A and 10 is within this circular empty space, the collision with B and 6 can be avoided, and it is assumed that the structure does not shake even if the ground shakes. However, this is not the case when the shaking is so large that it exceeds the avoidance range. The avoidance of shaking is determined by the size of the circular empty space. A must not collide with 6, and 10 must not collide with B. When assembling, attach 10 to the lowermost C, provide a spherical rotating body 11 in 12, and there is a "margin" between 11 and 12 so that it can move freely. B is placed on it, and A is stacked on B. When 18 is tightened with 6 of B protruding from 2 of A, A, B, C, and 11 are integrated. When an earthquake occurs, as shown in Figure 8, C, 10, and A, which are integrated with the ground with a strong force, move. At the same time, in response to this movement, 11 naturally undergoes a "rotational movement" within 12. At the bottom of B, this rotational movement becomes an idling state and is not transmitted to B, avoiding the influence on B and 6 that support the structure, and as a result, preventing the propagation to the other side. This device has a technically simple structure, but great safety and peace of mind can be expected regarding its effects. (A, B, and C described herein refer to the slide plate A, the plate, and the base anchor C. Other things are also represented by symbols.

Description of Symbols

[0009] 1 - Slide plate A 2 - Round hole 3 - Hole 4 - Plate B 5 - Round hole 6 - Protrusion 7 - Base anchor C 8 - Screw hole 9 - Cutting line 10 - Main bolt 11 - Rotating body 12 - Depression 13 - Edge 14 - Anchor bolt 15 - Edge 16 - Threaded part 17 - Threaded part 18 - Nut 19 - Mounting part of the base 23 - Base

Claims

【Claim 1】 There are a slide plate A, a plate B, and a base anchor C. A is a flat body with a circular hole 2 in the central part and a plurality of holes 3 in convenient positions. B has a cylindrical convex part 6 in the central part and a plurality of circular holes 5 in convenient positions. Except for 6, the front and back surfaces are flat and have no direct connection with the ground. C has an edge fixed to the ground (floor), and a plurality of recesses 12 in the central part. A rotating body 11 is arranged in this recess, and a screw hole 8 is provided in a convenient position. This 8 is in the same position as 3 of A, and a main bolt 10 is installed in this hole. A, B, C, and 11 are combined into three layers and integrated. 6 protrudes from A, 2 has a larger circular space area with respect to 6, and 5 also has a larger circular space area with respect to 10. This is a three-layer seismic avoidance device by the rotation of a rotating body that serves as an avoidance range for shaking

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