JP2010024792A - Interlocked rolling type base isolation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a simple isolation device with a buoyancy restraining function to rock horizontally which is disposed at a corner and a required spot and at each intermediate column position. <P>SOLUTION: A base isolation device carrier platform is disposed on the upper surface of mat foundation concrete, a conical surface saucer support member is provided inside the square outer frame provided on the base isolation device carrier platform, a lower conical surface saucer is fitted to upper portions of a triangle-shaped member and a cross-shaped member each extending from the upper part of the conical surface saucer support member, the upper plate provided at the upper portion of a cylindrical body is bound to a sill, the upper saucer is fitted to the lower portion of the cylindrical body, a ball body retained by a strip ring is disposed on an opposite face between the lower the conical surface saucer and the upper saucer, and the ball body is rotated by the rocking movement of the ground at an earthquake to prevent vibration energy from being transmitted to upper structures. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

Since the present invention is installed in a lightweight building structure and the seismic isolation device separates the foundation and the building, an exchange means equipped with a buoyancy suppression function that prevents the building from floating in the event of a typhoon or an earthquake occurs. in seismic isolation device miniaturized without buoyancy suppression function rolling is linked to seismic isolation device comprising, isolator rolling having exchange means is disposed in the corner and key points of the building, the isolator rolling interlocked, it This is related to a rolling seismic isolation device that is arranged at each intermediate column position other than, and is linked to cope with earthquake oscillation.

The conventional seismic isolation apparatus, in response to the ground motion to separate the foundation and building, earthquake at the time, but is a device to prevent the transmitted through the shaking of the ground and the foundation at the top the building, the building of the building at the time of lightweight for typhoon outer wall When wind pressure is applied, since there is a risk that the upper building skipped or deviation, and apparatus buoyancy inhibit feature in the seismic isolation device, and exchanging means of the maintenance on the seismic isolation device itself, the device, such as exploded function Since it is provided, the shape has become large and the production cost of the rolling seismic isolation device having the exchange means has increased.

However, the above device or buoyancy inhibit feature was, and exchanging means, because the device itself is provided an apparatus such as exploded will increase the steel work cost becomes large, placing the entire portion of each position of the building pillars The burden on consumers was increasing.
JP 2002-30829 A

This invention has been made to solve the problems of the prior art described above, it is an object of the isolator that device the functions a wide range, the key point between the middle and corners of the building Because it can fulfill its purpose if it is placed in a simple, small and simple seismic isolation device that rolls only in the horizontal direction without having various functions for each position of the other intermediate pillar. The most important feature is the arrangement.

Interlocking rolling seismic isolation device of the present invention, the lower conical surface pan provided above the isolator mounting設台, the upper pan provided below the cylindrical body is fixed to the lower portion of the base, and the opposite lower conical surface saucer Spheres are arranged on the opposing surfaces of the upper tray so that they can roll, and a plurality of belt support members are provided outside the belt rings that are held by the belt rings, and a leaf spring is provided on the top surface of the belt support members , The band support member slides in the gap between the circular outer frame and the upper circular outer frame, and together with the leaf spring provided on the upper surface of the band support member, it suppresses swinging on the outer wall of the building with a slight wind. , Ri effect there that rolls adapted to swing at the time of the earthquake, the lower conical surface saucer, at the time that finished the swing of the earthquake, the sphere is rolling toward the center of the conical surface, the building There is an effect of returning to the original position .

  The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1, 2, and 5, the interlocking rolling seismic isolation device 1 has a plurality of interlocking rolling seismic isolation devices 1 arranged on the top surface of the solid foundation concrete 36, and the top surface of the solid foundation concrete 36. The seismic isolation device mounting table 30 is provided, the lower conical surface tray 2 is provided at the upper part of the seismic isolation device mounting table 30, and the upper plate 9 provided at the upper part of the cylindrical body 8 is connected to the lower surface of the base 11 by a plurality of bindings. Tightened with a bolt 10, an upper saucer 3 is provided at the inside lower part of the cylindrical body 8, a lower conical surface saucer 2 and a sphere 4 held by a belt ring 5 between the opposed sides of the upper saucer 3 are arranged. Along with rolling, a plurality of belt ring support members 6 provided outside the belt ring 5 slide in the gap 7a between the circular outer frame 7 and the upper circular outer frame, and the energy of the earthquake motion is transferred to the upper structure. It is intended to prevent the transmitted, a leaf spring 6a provided on the upper surface of the plurality of the band wheel support member 6 provided on the outside of Obiwa 5, upper Obiwa support member 6 and the circular outer frame 7 Slides gap 7a between circular outer frame 7b, even when a wind pressure of approximately breeze on the outer wall of the building, thereby preventing the rocking of building resilience of the plate spring 6a.

  The upper plate 9 of the cylindrical body 8 is provided horizontally, and tightening bolts are inserted into the bolt holes 10a of the base 11 from a plurality of bolt holes provided in the upper plate 9, and the plate 9 and the base 11 are fastened.

In a predetermined position of the upper surface of the solid foundation concrete 36, narrowing planting a plurality of concrete plasma 34, a plurality of holes 32a provided in the frame 32 of the plate insert concrete plasma 34, it is placed a frame 32 of the plate horizontally, square outer frame 33 provided on the upper surface of the inner side of the flat plate of the frame 32, the lower conical surface receiving the support member 31 which partnered crosswise provided inside of the square outer frame, a notch 32a provided at the center portion of the flat plate of the frame 32 The mortar 35 is filled inside the square outer frame 33, and the mortar 35 is solidified and fixed on the lower side of the flat frame 32. A lower conical surface tray support member 31 assembled in a cross shape is provided inside a square outer frame 33 provided on the upper surface of the flat frame 32, and a triangular member 31a is extended on each outer upper portion of each lower cone surface tray support member 31. The cross member 31b is extended from the center of the lower conical surface tray support member 31, the notch 31c is provided inside the upper part of the triangular member 31a, and the notch 31c part of the triangular member 31a and the upper part of the cross member 31b are provided. The lower cone receiving tray 2 that receives the concentrated load is fitted and fixed.

  In the embodiment of FIG. 6, a circular outer frame 7 is provided on the upper surface of the lower conical surface tray 2, an upper circular outer frame 7b is provided on the upper part of the circular outer frame 7, and the circular outer frame 7 and the upper circular outer frame 7b are arranged outside the circle. A screw 7f and an upper screw insertion member 7d provided outside the frame 7 are detachably screwed with screws 7e, and a gap 7a is provided between the circular outer frame 7 and the upper circular outer frame 7b. A leaf spring 6a provided on the upper surface of the band support member 6 slides in the gap 7a to suppress the rolling of the sphere 4 and prevent the building from swinging with a slight wind.

  Japan, an earthquake-prone country, strongly demands seismic isolation devices to be installed in buildings. However, since seismic isolation devices are special devices, installation costs increase, and people with small budgets cannot reach seismic isolation devices. In addition, the present invention is simple and inexpensive that can be installed even for people with a small budget.

FIG. 1 is a longitudinal sectional view taken along the line BB of FIG. 2 of the interlocking rolling seismic isolation device according to the embodiment of the present invention. FIG. 2 is a longitudinal sectional view taken along line AA of the interlocking rolling seismic isolation device of FIG. FIG. 3 is a longitudinal cross-sectional view of the interlocking rolling seismic isolation device of FIG. FIG. 4 is a longitudinal sectional view of the interlocking rolling seismic isolation device of FIG. FIG. 5 is a perspective view of an associated rolling seismic isolation device. FIG. 6 is an enlarged perspective view of a main part of the circular outer frame of FIG. FIG. 7 is an explanatory perspective view of interlocking rolling seismic isolation devices arranged at a plurality of locations between rolling seismic isolation devices having exchange means arranged at corners or important points of a building.

Explanation of symbols

1 Interlocking rolling seismic isolation device
2 Lower conical tray
3 Upper tray
4 sphere
5-band
6-band support member
6a leaf spring
7 Circular outer frame
7a clearance
7b Upper circular outer frame
7c screw threaded member
7d top screw threaded member
7e screw
8 cylinder
9 Upper plate
10 Tightening bolt
10a bolt hole
11 foundation
12 pillars
30 Base mount
31 Lower conical tray support member
31a triangular member
31b cross member
31c cutout
32 flat frame
33 square outline
34 concrete plug
34a hole
35 mortar
36 solid foundation concrete

Claims (4)

  A lower conical surface tray disposed on the base side, an upper tray disposed on the upper structure, and a sphere that is rotatably mounted on the opposing surfaces of the lower conical surface tray and the upper tray. In the interlocking rolling seismic isolation device, the belt is disposed on the foundation side and the lower conical surface tray is provided on the upper portion of the base isolation device mounting base, the upper tray is provided on the lower portion of the cylindrical body, while holding the sphere A plurality of belt ring support members are provided horizontally on the outer surface of the ring and the belt ring, and when the ground swings due to an earthquake, the belt ring support member slides in the gap between the circular outer frame and the upper circular outer frame. An interlocking rolling seismic isolation device characterized by smoothing rolling of the sphere corresponding to all directions.   An upper plate is provided horizontally on the upper portion of the cylindrical body, and a plurality of bolt holes provided in the upper plate are inserted into a plurality of bolt holes provided in a base, and the upper plate with a plurality of tightening bolts, 2. The interlocking rolling seismic isolation device according to claim 1, wherein the foundation is tightly coupled.   Provided with a plurality of bolt holes in the corner portion of the flat plate frame of the seismic isolation device mounting base, inserted into the holes of the flat plate frame and fixed horizontally to a plurality of concrete plugs previously embedded in the solid foundation concrete, A square outer frame is provided on the upper surface of the flat plate frame, a lower conical surface saucer supporting member assembled in a cross shape is provided inside the square outer frame, and the lower conical surface saucer is provided on the upper part of the base for mounting the seismic isolation device. 2. The interlocking rolling seismic isolation device according to claim 1, wherein mortar is filled in an outer frame of the flat plate and both the lower side of the flat frame is solidified and fixed.   There are gaps between the circular outer frame and the upper circular outer frame, and screw screw fitting members provided vertically at a plurality of locations outside the circular outer frame, and vertically at a plurality of locations outside the upper circular outer frame. The upper screw screw member provided is provided, the screw screw member of the circular outer frame and the screw screw member of the upper circular outer frame are detachably screwed and fixed, and the sphere is held. A plurality of the band support members provided on the outer side of the band ring slide in the gap together with a leaf spring provided on the upper surface of the band ring support member, thereby suppressing the upper structure from swinging with a slight wind. The interlocking rolling seismic isolation device according to claim 1, wherein:

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