KR101914912B1 - Stand for seismic isolator - Google Patents

Abstract

The present invention relates to a ground vibration isolation apparatus, wherein upper and bottom stators supporting installation on the ground are connected organically via a slide unit for absorbing vibration in horizontal two-dimensional X and Y directions and an elastic member for absorbing vertical vibration in the Z direction, and possible to stably protect the installation from external vibration such as an earthquake. The present invention for realizing the above comprises: a slide unit for allowing sliding in the horizontal two-dimensional directions; the upper stator fastener directly or indirectly connected to an upper portion of an upper slider of the slide unit and provided with a fixture at an upper portion thereof; and the bottom stator directly or indirectly connected to a lower slider of the slide unit and installed on the base surface of a building or the bottom surface of the building.

Description

{STAND FOR SEISMIC ISOLATOR}

According to the present invention, since the upper and lower stator supporting the installation on the ground are organically connected via the slide unit for absorbing vibration in the horizontal two-dimensional X and Y direction and the elastic member for absorbing vertical vibration in the Z direction, The present invention relates to a ground-based isolation device for stably protecting a building and an indoor installation from external vibrations such as an earthquake.

In the event of external vibrations due to earthquakes or mechanical vibrations, facilities installed in buildings and buildings, especially advanced equipment, will be devastated.

In the case of external vibration such as an earthquake, not only damage to the building itself but also damage to high value-added fixtures such as semiconductor facilities installed in buildings, computer centers of financial institutions, .

Therefore, there is a desperate need for a seismic isolation device capable of stably protecting the building itself from external vibration such as an earthquake and high-priced equipment installed in the building.

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a structure for protecting high-priced equipment installed in buildings and buildings from external vibrations such as earthquakes,

SUMMARY OF THE INVENTION An object of the present invention is to provide a three-dimensional outer space in which an upper surface sperm supporting an installation provided on a foundation surface of a building or a building floor is composed of a horizontal two-dimensional XY direction and a vertical Z direction in combination via a slide unit and an elastic member And it is possible to maintain the normal position even with vibration and to stably protect the installation installed in the building itself and the room from external vibrations such as an earthquake.

Another object of the present invention is to provide a ground-based isolation device in which the handling and assembly of the device is simplified.

According to an aspect of the present invention, there is provided a ground-

A lower slider disposed below the intermediate body; a lower slider disposed between the intermediate body and the upper slider so as to be movable in a horizontal first direction (hereinafter referred to as " (Hereinafter referred to as " Y-direction ") orthogonal to the horizontal first direction, and at least one X-directional bearing for slidably moving the intermediate slider in the X- A slide unit including at least one Y-directional bearing for sliding the Y-

An upper sperm which is directly or indirectly connected to an upper portion of the upper slider of the slide unit and is provided with a fixture at an upper portion thereof; And

And a bottom stator directly or indirectly connected to the lower slider of the slide unit and installed on a base surface of the building or a bottom surface of the building,
In the slide unit
The X-directional bearing and the Y-directional bearing are formed by arranging a plurality of cylindrical rollers partially protruding from the upper and lower sides of the flat frame, wherein the cylindrical roller is in the form of a flat-plate needle bearing in which the X-directional bearing is arranged in the X- ≪ / RTI &
In order to install the Y-direction bearing on the upper surface and the X-direction bearing on the upper surface, the intermediate body is formed by recessing one or more X-direction slide grooves on the upper surface and Y-
The X-directional slide groove for installing the X-direction bearing is formed on the lower surface of the phase slider so as to be longer than the intermediate body so as to face the X-directional slide groove of the intermediate body,
And the lower slider has a Y-direction slide groove for mounting the Y-direction bearing on the upper surface thereof, which is longer than the intermediate body so as to face the Y-direction slide groove of the intermediate body.

At least one elastic member may be provided between the slide unit and the bottom stator or between the slide unit and the top sperm.

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The elastic member may be one or more vibration damping pads or a plurality of compression springs.

The upper slider of the slide unit, the center hole at the center of the intermediate body, and the screw hole at the center of the lower slider.

In order to temporarily install the assembly guide guide bolt, a guide bolt fastening hole may be formed in the bottom stator, and a guide bolt hole may be formed in the stator.

According to the ground surface isolation device of the present invention having the above-described configuration,

A floor stator fixed to a foundation surface of a building or a floor of a building and an upper sperm supporting the installation are provided with a slide unit for absorbing horizontal two-dimensional vibration in X and Y directions and an elastic member for absorbing vertical vibration in Z direction. It is possible to maintain the normal position of the upper spermatozoon even in the case of external vibration of three dimensions, so that it is possible to stably protect the installation installed in the building itself and the room from the external vibration such as an earthquake.

In addition, there is an advantage in that handling and assembly are easy using the center bolt and guide bolt.

1 is a view showing a configuration of a slide unit according to an embodiment of the present invention
a is an exploded perspective view, and b is an assembled state perspective view
Fig. 2 is an assembled state plan view of the slide unit of Fig.
Figure 3 is a cross-sectional view of the slide unit of Figure 2,
2 is a cross-sectional view taken along the line AA in Fig. 2, and b is a cross-
4 is a block diagram of an embodiment of the present invention
a is a plan view, b is a CC line section of a
5 is a view showing an example of installation of Fig.
6 is a block diagram of an embodiment of the present invention
a is a plan view, b is a DD line section of a
Figure 7 is a block diagram of an embodiment of the present invention
a is a plan view, b is an EE line section of a

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the earthquake-proof apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 7, the ground surface isolation device 1 according to an embodiment of the present invention includes a horizontally installed plate-shaped intermediate 11, an upper slider 12 disposed on the upper portion of the intermediate 11, A lower slider 13 disposed below the intermediate body 11 and a lower slider 12 disposed between the intermediate body 11 and the upper slider 12 so as to be movable in a horizontal first direction One or more X-directional bearings 15X for sliding the intermediate slider 11 in the horizontal second direction (hereinafter referred to as " slider ") and the lower slider 13 disposed between the intermediate slider 11 and the lower slider 13 (Not shown), and one or more Y-directional bearings 15Y for sliding the upper slider 12 to the upper slider 12 of the slide unit 10. The slide unit 10 is connected directly or indirectly to the upper slider 12 of the slide unit 10, And the height of the slide unit (10) And a bottom stator 30 directly or indirectly connected to the lower side of the rider 13 and installed on the base surface of the building or the bottom surface of the building.

At least one elastic member 50 is provided between the slide unit 10 and the floor stator 30 or between the slide unit 10 and the upper surface monitor 20. [

The X-directional bearing 15X and the Y-directional bearing 15Y are formed such that a plurality of cylindrical rollers 151 are partially protruded from the upper and lower sides of the planar frame 152, The bearing 15X may be a planar needle bearing arranged in the X direction and the Y direction bearing 15Y may be arranged in the Y direction.

Preferably, the intermediate body 11 has an X-directional slide groove 11X on the upper surface thereof and an Y-directional slide groove 11Y on the lower surface thereof in order to install the X-directional bearing 15X on the upper surface and the Y- Are recessed and formed one by one,

The phase slider 12 has an X-direction slide groove 12X for mounting the X-direction bearing 15X on the bottom surface thereof longer than the intermediate body 11 so as to face the X-direction slide groove 11X of the intermediate body,

On the upper surface of the lower slider 13, a Y-direction slide groove 13Y for mounting the Y-direction bearing is formed to be longer than an intermediate body so as to face the Y-direction slide groove 11Y of the intermediate body.

The upper slider 12 and the lower slider 13 may be in the form of a flat plate.

The slide unit 10 having such a structure is constructed such that the X-direction bearing 15X and the Y-direction bearing 15Y are structured such that a plurality of cylindrical rollers 151 protrude above and below the frame 152, (15X) is provided between the intermediate body (11) and the slide grooves (11X) and (12X) formed opposite to the upper slider and the Y-direction bearing (15Y) is interposed between the intermediate body (11) and the lower slider Line contact friction occurs between the grooves 11Y and 13Y, and the slide advancing direction guides are formed by the respective slide grooves.

As described above, the X-direction bearing 15X and the Y-direction bearing 15Y provided above and below the intermediate body 11 are provided between the upper slider 12 and the lower slider 13, The intermediate slider 12 and the cylindrical roller 151 of the X-directional bearing 15X, the cylindrical roller 151 and the intermediate member 11, the intermediate member 11 and the Y-directional bearing 15Y The cylindrical roller 151, the cylindrical roller 151 and the lower slider 13 are simultaneously subjected to linear contact friction, and the vibration force is substantially absorbed and lost by the line friction.

Therefore, since the other one of the two-dimensional X and Y direction displacements of the phase slider 12 and the lower slider 13 can be free, the other one can freely move to the normal position .

The upper slider 12 to which the X-direction bearing 15X is installed for X-direction vibration absorption in the two-dimensional direction is moved in the X-direction, the lower slider 13 to which the Y-direction bearing 15Y is installed is moved in the Y- The slide groove is formed longer than the intermediate body 11 and its length is designed in consideration of external vibration and vibration absorption limit.

The upper slider 12 and the lower slider 13 may each be formed with one or more bolts or holes, a bolt through hole, or a bolt head insertion hole into which a bolt head is inserted.

The upper surface of the upper stator 20 and the bottom stator 30 may be formed in a flat plate shape and at least one of a bolt, a hole S, a through hole, and a bolt head insertion hole into which a bolt head is inserted may be formed. At least one anchor bolt hole (31) for the anchor bolt (35) is formed in the stator.

The elastic member 50 may be one or more anti-vibration pads 51 or a plurality of compression springs 52.

4, the dustproof pad 51 is installed between the lower slider 13 and the bottom stator 30 or between the upper slider 12 and the upper slider 12 (not shown) And the pad support bolt 55, as shown in Fig.

The pad supporting bolt 55 is fastened to the lower slider 13 through a bolt head inserting hole formed deeply in the vibration insulating pad 51 to fix the position of the vibration preventing pad while allowing the Z- (See Fig. 4b)

When the dustproof pad 51 is installed between the lower slider 13 and the bottom stator 30 of the slider unit, the upper slider 12 of the slider unit is fixed to the upper sperm 20 using the fastening bolt 72 (See Fig. 4 (b)).

As shown in FIGS. 6 and 7, the plurality of compression springs 52 may be installed to be extendable and retractable by a spring supporter 61 installed opposite to each other.

The two spring supporters 61 are respectively inserted into both ends of the spring 52 and can be fixed to the lower slider or the like by bolts 62,

On the other hand, the upper guard 20 and the slide unit 10 need to be temporarily fixed so as to maintain the assembled state of the device until the device is installed in the field.

A center hole C is formed at the center of the upper slider 12 of the slide fastener and the intermediate member 11 and a screw hole S is formed at the center of the lower slider 13 to form the center bolt 71 So that the center bolt 71 is removed when the apparatus is installed in the field (refer to FIG. 4 (b)).

The bottom stator 30 may be installed on the ground foundation surface or the bottom of the building using an anchor bolt 35 in advance.

The on-site installation of the apparatus according to the present invention is performed by assembling an elastic member and a remaining constituent bundle using the center bolt 71 to a floor stator already installed, through the upper sperm 20 to easily assemble the constituent bundle One or more guide bolts 73 to be fastened to the bottom stator 30 may be provisionally installed.

A guide bolt hole 32 may be formed in the bottom stator 30 and a guide bolt hole 22 may be formed in the upper surface stator 20 for installing the guide bolt 73. Referring to FIGS.

The guide bolt (73) is removed after the installation of the device is completed.

The steel column member 2a of the building can be directly fixed to the upper surface stator 20 (see Fig. 5), and the indoor installation 2b can be fixed using the clamp 81 7).

The devices of the present invention may be arranged in a single number, or a plurality of devices may be installed in a tier.

The operation state of the ground-based isolation device 1 according to the present invention having the above-described configuration will be described below.

The X-directional bearing 15X and the Y-direction bearing 15Y provided above and below the intermediate body 11 as the center of the slide unit 10 are supported by the upper slider 12 and the lower slider 13, The phase slider 12 and the lower slider 13 can be free from the mutual displacement in the X and Y directions by absorbing the vibration in the two-dimensional direction through the line friction occurring simultaneously in four locations.

When the elastic member 50 is the vibration proof pad 51, it is usually provided for supporting the steel column member 2a of the building. When the elastic member is the compression spring 52, 2b), but is not limited thereto.

In a situation where an external vibration that oscillates in a Z-direction and a horizontal X-Y direction is generated in a building in which the present invention is installed,

The Z-directional vibration causes the vertical stiffness of the upper surface stator 20 supporting the building or the installation by the vibration absorbing action that causes the floor stator 30 fixed on the base surface or the floor of the building to move up and down, The position can stably maintain the normal position,

X and Y vibrations in two horizontal directions cause the bottom stator 30 to oscillate but the top saddle 20 is free from horizontal two dimensional X and Y direction vibrations of the bottom stator 30 through the slide unit 10 The normal position can be stably maintained.

The floor stator 30 is connected to the lower slider 13 of the slide unit either directly or via an elastic member 50 and the upper sperm 20 can be directly attached to the upper slider 12 of the slide unit, The vibration of the slide unit 10 is absorbed and destroyed by the X-Y vibration due to the line friction in the slide unit 10, so that the stationary sperm 20 can stably maintain the normal position.

As described above, according to the present invention, a floor stator 30 installed on a foundation surface or a building floor of a building, and a slide (not shown) for absorbing vibrations in X and Y directions, When the vibration is combined with the unit 10 via the elastic member 50 absorbing the vertical Z-direction vibration, the upper portion of the vibrator can maintain its normal position even in a complex external vibration in any direction, It is possible to stably protect the indoor and indoor installations.

Also, by using the center bolt and the guide bolt, it is easy to manage and assemble the device, and productivity can be improved.

In the foregoing, preferred embodiments of the present invention have been described with reference to the accompanying drawings. Here, the terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, but should be construed as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

1: Ground-based isolation device of the present invention
10: slide unit 11: intermediate body 12: upper slider
13: lower slider 11X, 12X: X-direction slide groove
11Y, 13Y: Y-direction slide groove 15X: X-direction bearing 15Y: Y-direction bearing
151: Cylindrical roller 152: Flat plate frame
20: Upper sperm 30: Floor stator 50: Elastic member
51: anti-vibration pad 52: compression spring 71: center bolt
73: Guide bolt 2a, 2b: Fixture

Claims (7)

(11) arranged horizontally, an upper slider (12) arranged on the upper part of the intermediate body (11), a lower slider (13) arranged below the intermediate body (11) One or more X-directional bearings (15X) disposed between the intermediate body (12) and the upper slider (12) for sliding the upper slider (12) in a horizontal first direction And one or more Y-directional bearings 15Y disposed between the lower sliders 13 for sliding the lower slider 13 in a horizontal second direction (hereinafter referred to as "Y-direction") perpendicular to the horizontal first direction (10);
An upper guard (20) directly or indirectly connected to an upper portion of the upper slider (12) of the slide unit (10) and provided with a fixture at an upper portion thereof; And
And a bottom stator (30) directly or indirectly connected to a lower side of the lower slider (13) of the slide unit (10) and installed on a base surface of the building or a bottom surface of the building,
In the slide unit 10,
The X-direction bearing 15X and the Y-direction bearing 15Y are formed such that a plurality of cylindrical rollers 151 partially protrude from the upper and lower sides of the flat frame 152, and the cylindrical roller 151 is rotatably supported by the X- The Y-direction bearing 15Y is in the form of a flat-plate type needle bearing arranged in the Y-direction,
The intermediate body 11 has an X-direction slide groove 11X on the upper surface and a Y-direction slide groove 11Y on the lower surface in order to install the X-direction bearing 15X on the upper surface and the Y-direction bearing 15Y on the lower surface, Respectively,
The phase slider 12 has an X-direction slide groove 12X for mounting the X-direction bearing 15X on the bottom surface thereof longer than the intermediate body 11 so as to face the X-direction slide groove 11X of the intermediate body,
Wherein the lower slider (13) is formed with a Y-direction slide groove (13Y) for mounting the Y-direction bearing on the upper surface thereof so as to be longer than the intermediate body so as to face the Y-direction slide groove (11Y) of the intermediate body. The method according to claim 1,
Wherein at least one elastic member (50) is provided between the slide unit (10) and the floor stator (30) or between the slide unit (10) and the upper surface monitor (20). delete delete The method of claim 2,
Wherein the elastic member (50) is made of one or more anti-vibration pads (51) or compression springs (52). The method according to claim 1,
Wherein a center hole (C) is formed in the center of the upper surface of the upper surface of the upper slider (12) and the upper slider (12) of the slide unit, and a screw hole (S) is formed in the center of the lower slider Device. The method according to claim 1,
Wherein a guide bolt hole (22) is formed in the guide bolt fastening hole (32) in the bottom stator (30) and a guide bolt hole (22) is formed in the upper surface stitcher (20) in order to temporarily install the assembly guide guide bolt (73).

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