KR102495733B1 - Seismic isolation access floor system with easy height and horizontal adjustment - Google Patents

Abstract

The present invention relates to a seismic isolation dual-floor system comprising: m × n seismic isolation units arranged in m rows and n columns where m and n are integers equal to or greater than 2; and a movable panel supported by each of the seismic isolation units. Each of the seismic isolation units includes: a post; a bottom plate connected to the upper part of the post; a top plate arranged with a gap above the bottom plate; a seismic isolation module mounted on the upper part of the top plate; and a displacement means for adjusting the horizontality and height of the top plate while connecting the bottom plate and the top plate to each other. Therefore, the horizontality and height of the seismic module constituting a seismic isolation device can be adjusted, thereby facilitating installation on a seismic isolation target such as various facilities.

Description

Seismic isolation double floor system with easy height and horizontal adjustment {SEISMIC ISOLATION ACCESS FLOOR SYSTEM WITH EASY HEIGHT AND HORIZONTAL ADJUSTMENT}

The present invention is capable of adjusting the horizontal and height of seismic isolators constituting the seismic isolator, secures structural stability by interconnecting each seismic isolator, and has a height so that a tray using a hanger member can be installed on a connecting bar connecting each seismic isolator. It is a technology related to a seismic isolation raised floor system that is easy to adjust and level.

When an earthquake occurs, depending on the type of seismic wave generated from the epicenter, buildings and bridges on the ground vibrate from side to side or up and down, and buildings and bridges can be seriously damaged by these vibrations. Therefore, if there is no preparation for this, great damage to life and property will occur.

In particular, since expensive computer equipment, communication equipment, or precision measurement equipment are sensitive to temperature, it is necessary to maintain the temperature of the space where these equipment are installed at an appropriate temperature. Equipment, etc. are installed, and ducts connected to air conditioners are installed at the lower part of the raised floor to control the indoor temperature.

Even in the case of installing a raised floor, it is unavoidable to damage precision equipment if vibration is applied from an earthquake, and in this case, it can lead to serious work paralysis. Various devices are being developed to protect equipment installed on the upper part of the raised floor.

In these seismic isolation related technologies,

Republic of Korea Patent Registration No. 10-1178870 (Registered on August 27, 2012, hereinafter referred to as 'Document 1') 『Seismic isolation device for double floors having an upper frame structure and minimizing supports』 is proposed,

In Document 1, by forming the structure of the upper frame constituting the frame between the vicinity of the raised floor panel and the raised floor prop, the interference with the movement of cold air by the lower frame installed under the prop is eliminated as in the prior art, and the existing 0.6 The raised floor support required per m is formed in a way to reduce the number of supports by using 1.2m x 1.2m and 2.4m x 2.4m upper frames, etc. to secure space for cable tray placement that may be insufficient due to the width of the seismic isolation actuator, and An upper frame that secures cable flexibility regardless of the load of the cable by ensuring the cable's free displacement at the vertical height of the cable passing through the raised floor panel in the cable tray by placing the tray on the floor, which is non-isolation, not seismic isolation. It is a technology related to a seismic isolator for a raised floor that has a structure and minimizes supports.

As another technology, Korean Patent Registration No. 10-1850745 (registered on April 16, 2018, hereinafter referred to as 'Document 2') "three-dimensional seismic isolator capable of adjusting spring tension" is proposed,

Document 2 arranges the springs in the same direction and angle as the rail to prevent interference between the springs when vibration occurs, and is configured to adjust the length of the spring so that the tension of the spring can be adjusted. Arranged, it has a differentiated advantage by increasing the effective displacement. A technology relates to a three-dimensional seismic isolator designed to respond to vibration in a vertical direction by including an elastic member for absorbing vibration in a vibration damping member connecting an upper plate and a lower plate.

As another technology, Korean Patent Registration No. 10-1911301 (registered on October 18, 2018, hereinafter referred to as 'Document 3') "three-dimensional seismic isolation system composed of a mixture of seismic isolation sections and non-isolation sections" is proposed,

Document 3 is a floating frame for providing a work plane requiring seismic isolation; a seismic isolation unit installed between the floating frame and the ground, in which a plurality of seismic isolation units are installed on the same plane; a fixed frame fixed to the ground next to the floating frame to provide a work plane that does not require seismic isolation; One end is connected to the movable frame and the other end is seated on the upper surface of the fixed frame, thereby providing a seismic isolation function to bulky and heavy equipment by including a cover plate so that the movable frame and the fixed frame are connected to each other without an empty space. It is a technology related to a three-dimensional seismic isolation system that includes a seismic isolation section and a non-seismic isolation section at the same time, and has a structure connecting them so that continuity of work can be maintained between them.

As another technology, Korean Patent Registration No. 10-1941905 (registered on January 18, 2019, hereinafter referred to as 'Document 4') "seismic isolator and seismic isolation table including the same" is proposed,

Document 4 discloses an upper bracket supporting a seismic isolation target, a lower bracket formed in a shape corresponding to the upper bracket and disposed on the floor facing the upper bracket, and a plurality of first vibrations disposed between the upper bracket and the lower bracket. A seismic isolator comprising an absorber, a second vibration absorber, and a third vibration absorber, wherein the first vibration absorber can adjust the tension of the spring, thereby improving the spring fastening structure applied to the seismic isolator so that the spring tension can be adjusted. It is possible, and it is a technology related to a seismic isolator capable of preventing tension dysfunction by reducing stress applied to a spring.

Document 1. Korean Patent Registration No. 10-1178870 (Registration on August 27, 2012) Document 2. Korean Patent Registration No. 10-1850745 (Registration on April 16, 2018) Document 3. Korean Patent Registration No. 10-1911301 (registered on October 18, 2018) Document 4. Korean Patent Registration No. 10-1941905 (Registration on 2019.01.18.)

An object of the present invention is to provide a seismic isolation double floor system in which a displacement means is provided in a seismic isolation module constituting a seismic isolation device so that the level and height of the seismic isolation module can be easily adjusted.

Furthermore, an object of the present invention is to provide a seismic isolation double floor system capable of securing structural stability through a connecting bar connecting each seismic isolator to each other.

In addition, an object of the present invention is to provide a seismic isolation raised floor system in which cables or ducts can be easily installed on the tray by seating the tray on a hanger member suspended from a connecting bar.

In order to solve the above problems, the seismic isolation double floor system, which is easy to adjust the height and level according to the present invention,

m×n seismic isolation units arranged in m rows and n columns (where m and n are integers greater than or equal to 2); and

a flow panel supported by each of the seismic isolation units;

Including,

Each of the seismic isolation units includes a post, a bottom plate connected to the upper part of the post, a top plate disposed spaced apart from the upper part of the bottom plate, a seismic isolation module mounted on the upper part of the top plate, and the bottom plate and the top plate mutually. It is characterized in that it consists of a displacement means for adjusting the horizontality and height of the top plate while connecting.

The seismic isolation double floor system, which is easy to adjust the height and level according to the present invention,

The seismic isolation module constituting the seismic isolator can be adjusted horizontally and in height, so it is easy to install on seismic isolation objects such as various facilities, and structural stability is secured through the interconnection structure between seismic isolators. The biggest effect is that it is easy to install ducts, etc.

1 is a three-dimensional configuration diagram showing a seismic isolation double floor system with easy height and horizontal adjustment according to the present invention;
2 is a plan configuration diagram of FIG. 1;
3 is a side configuration diagram of FIG. 1;
4 is a three-dimensional configuration diagram showing a seismic isolation unit;
5 is an exploded three-dimensional configuration diagram of FIG. 4;
6 is an exploded side configuration diagram of FIG. 4;
7 is an exploded three-dimensional configuration diagram for showing a displacement means;
8 is a partial side configuration diagram for showing a seismic isolation module and a displacement means;
9 is a partial side configuration diagram for showing that an identification member or the like is further provided in the displacement means;
10 is a use state configuration diagram of FIG. 9;
Figure 11 is a plan configuration diagram for showing that the guidelines are configured in the identification member.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be construed as being limited to the usual or dictionary meaning, and the inventor appropriately uses the concept of the term in order to explain his/her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, so various equivalents that can replace them at the time of this application. It should be understood that there may be waters and variations.

Based on FIG. 1, the flow panel side is designated as upper or upper direction, and the seismic isolation unit side is referred to as lower or lower direction.

As shown in FIGS. 1 to 11, the seismic isolation double floor system, which is easy to adjust the height and level according to the present invention,

It consists largely of a seismic isolation unit (A) and a floating panel (B).

Looking at each component:

The seismic isolation unit (A)

As shown in Figures 1 to 8,

For seismic isolation of seismic isolation objects arranged in m rows and n columns (where m and n are integers greater than or equal to 2) and installed on the flow panel (B),

post(10);

A bottom plate 20 connected to the upper part of the post 10,

A top plate 30 spaced apart from the upper side of the bottom plate 20;

The seismic isolation module 40 mounted on the top plate 30, and

A displacement means (50) for adjusting the horizontality and height of the top plate (30) while interconnecting the bottom plate (20) and the top plate (30)

It is made up of, and is provided with m × n pieces as arranged in rows and columns.

At this time, the post 10 is made of a cylindrical structure, and a square pedestal 11 is further provided at the lower end of the post 10, and a plurality of bolts are provided on the pedestal 11 to be fixed to the floor of the installation place. A fastening hole is formed.

And, as shown in FIG. 5, the bottom plate 20 and the top plate 30 are formed in a rectangular plate-like structure.

On the other hand, as shown in FIGS. 4 to 7, the seismic isolation module 40

A square bottom frame 41 mounted on the top plate 30 and having an X-shaped bottom support 411 connecting each inner corner,

A square top frame 42 having an X-shaped top support 421 spaced apart from the top of the bottom frame 41 and connecting each inner corner;

A bottom rail 43 disposed along one straight area among X-shaped areas in the bottom support 411 of the bottom frame 41;

A bottom slider 44 coupled to slide along the bottom rail 43;

A relay member 45 mounted on the top of the bottom slider 44;

A top rail 46 disposed along a straight area intersecting the bottom rail 43 in an X-shaped area of the top support 421 of the top frame 42;

A top slider 47 coupled to slide along the top rail 46 and mounted on top of the relay member 45;

A pair of first spring members 48 having one end connected to two corners where the top rail 46 is not disposed among the four corners of the top frame 42 and the other end connected to the relay member 45 )and,

A pair of second spring members 49 having one end connected to two corners where the bottom rail 43 is not disposed among the four corners of the bottom frame 41 and the other end connected to the relay member 45 )

made up of

At this time, as shown in FIG. 6, each of the first spring members 48 is gradually inclined downward from one end to the other end to form a first inclination angle 481, and each second spring member 49 is disposed from one end to the other end. As it goes to , it is gradually inclined upward to form a second inclination angle 482 . A structure having such an inclination angle can more easily respond to seismic waves moving left and right or up and down when an earthquake occurs, so that optimization for seismic isolation can be implemented.

On the other hand, as shown in FIGS. 7 and 8, the displacement means 50

Four long holes 51 formed vertically and penetrating the four corner regions of the bottom plate 20;

Four pillar parts 52 connected to the top plate 30 and having ends exposed downward through each of the long holes 51;

Four top nuts 53 fastened to each of the pillars 52 and seated on the upper surface of the bottom plate 20;

Four bottom nuts 54 fastened to each of the pillars 52 and seated on the lower surface of the bottom plate 20

made up of

At this time, as shown in FIG. 7, each of the long holes 51 has a long space structure in a direction in which two long holes 51 facing each other with respect to the center of the bottom plate 20 are parallel to each other, and each of the pillar parts 52 has a smaller diameter than each of the long holes 51. This structure of space and diameter allows each pillar part 52 to move within an appropriate range so that the top plate 30 can be adjusted horizontally and in height.

After all, by appropriately adjusting the vertical position of each of the nuts 53 and 54, the top plate 30 can be adjusted in height as well as horizontally.

On the other hand, as shown in FIGS. 9 to 11, the displacement means 50 includes a stopper 55 formed at the intermediate portion of the pillar portion 52 and an insertion space formed to be enlarged at the lower side of the long hole 51 A housing 57 having a portion 56, a hollow portion 571 inserted into and seated in the insertion space portion 56, and an entry/exit space 572 horizontally penetrating inside and outside to be connected thereto, and one end of the housing An identification member 58 is further provided which is inserted into the entry/exit space 572 of (57) and has an entrance hole 581 having a diameter corresponding to that of the pillar portion 52 at one inserted end and the other end exposed to the outside. .

At this time, the stopper 55 has a larger diameter than the pillar part 52 and has an annular structure extending along the circumference of the middle part of the pillar part 52 .

And, the insertion space 56 is formed to be enlarged at the lower side of the long hole 51, and thus a part of the upper end of the housing 57 is inserted and seated, and the housing 57 is inserted into the insertion space 56. It may be forcibly fitted or fixedly mounted using a separate fixing member or the like.

Also, the entrance hole 581 has a diameter corresponding to that of the pillar portion 52 and a smaller diameter than that of the stopper 55 .

And, as shown in FIG. 11, two or more guide lines 582 configured at regular intervals are further formed at the other end of the identification member 58, and each guide line 582 is made of a fluorescent material and is made of a fluorescent material at night or in the dark. It can be easily identified by a worker by allowing it to emit light in a place.

In addition, the identification member 58 may be a sheet of synthetic resin or paper, or may be a thin metal plate having elasticity. In particular, if it is made of a metal plate, when the bottom nut 54 is unfastened, it can be restored to its original shape (unfolded state).

Therefore, as shown in FIG. 10, when the bottom nut 54 is tightened in a state in which the pillar part 52 is inserted into the long hole 51, the pillar part 52 gradually descends and the stopper 55 By pressing the periphery of the upper end of the entry hole 581 of the identification member 58 downward, the identification member 58 gradually enters the entry/exit space 572 and the exposed length of the identification member 58 gradually decreases. do. At this time, the bottom nut 54 can be appropriately tightened while checking the exposed length of the identification member 58 with the naked eye, and in particular, it can be confirmed more accurately through each guideline 582 provided on the identification member 58. It will be possible to finely and precisely adjust the height of the pillar portion 52.

The flow panel (B) is

As shown in Figures 1 to 3 and 8,

It is supported by each of the seismic isolation units (A) and a seismic isolation object is installed on the upper part,

A square base (B1) interconnected with four hollow straight square bars, and

A pair of relay bars (B2) interconnecting two square bars facing each other in the square base (B1)

made including

At this time, a plurality of flow panels (B) of this structure can be continuously connected, and the connection at this time is bolted between each other, or bolted between each other by interposing a separate bar between the flow panels (B). can be contracted. In addition, a separate finishing panel (not shown) is disposed above the flow panel (B).

Meanwhile, the seismic isolation raised floor system according to the present invention further includes a connecting bar (C), a hanger member (D), and a tray (E).

The connecting bar (C) is

As shown in Figures 1 to 3 and 8,

It is composed of a bar structure connecting the bottom plates 20 of adjacent seismic isolation units A to each other, so that the bottom plates 20 of adjacent seismic isolation units A are connected to each other by the connecting bar C. In the interconnection structure using such a connection bar (C), structural stability can be secured by connecting each seismic isolation unit (A) together.

At this time, the connecting bar (C) has a plurality of bolt fastening holes formed at both ends, through which it is possible to attach to the bottom plate 20 as well as to separate it.

The hanger member (D) is

As shown in Figures 1 to 3 and 8,

By hanging on the connecting bar (C),

A pair of vertical bars (D1) whose upper ends are inserted into the connecting bars (C) and are spaced apart from each other;

An upper nut (D2) fastened to the upper end of each vertical bar (D1) and in contact with the upper surface of the connecting bar (C);

A horizontal bar D3 into which the lower end of each vertical bar D1 is inserted, and

A lower nut (D4) fastened to the lower end of each vertical bar (D1) and in contact with the lower surface of the horizontal bar (D3)

It is composed of └┘ shape.

At this time, it is preferable that the horizontal bar D3 has a bracket structure of an approximate └┘ shape when viewed from the side, so that the tray E seated thereon can be more stably supported.

The tray (E) is

As shown in Figures 1 to 3 and 8,

It is supported by the hanger member (D) and has a structure in which cables or ducts can be accommodated.

In other words, the tray (E) is supported by a plurality of hanger members (D) hanging on each of the connecting bars (C).

The tray E is formed of a U-shaped three-dimensional structure connected by using a plurality of wires having a circular cross section.

Meanwhile, the seismic isolation raised floor system according to the present invention further includes an angle F and a cover plate G.

The angle (F) is

As shown in Figures 1 to 3,

To be mounted on the square base (B1) of the flow panel (B),

It consists of a structure inverted left and right by a vertical plate and a horizontal plate that is horizontally bent at the top of the vertical plate.

The angle F of this structure is a material having elasticity, and can be elastically restored to its original shape when the external force is released, especially after the horizontal plate is pressed by an external force.

The cover plate (G) is made of STS304 or STS430 material, and has a function of connecting a seismic isolator and a non-isolation unit.

As shown in Figures 1 to 3,

It consists of a square plate-like structure mounted in a form in which one end is seated on the horizontal plate of the angle (F).

At this time, an inclined surface (G1) is formed at the end of the cover plate (G), and a lubricating sheet (G2) made of Teflon (PTEE) is adhesively fixed to the lower surface of the end of the cover plate (G), thereby forming the cover plate (G). ) It is possible to reduce the coefficient of friction between the fixed panels (not shown) disposed on the lower side.

In the above description of the present invention, the "seismic isolation double floor system with easy height and horizontal adjustment" having a specific shape and structure has been mainly described with reference to the accompanying drawings, but the present invention can be modified and changed in various ways by those skilled in the art. However, such modifications and changes should be construed as belonging to the protection scope of the present invention.

A: seismic isolation unit
10: Post
11: pedestal
20: bottom plate
30: top plate
40: seismic isolation module
41: bottom frame
411: bottom support
42: top frame
421: top support
43: bottom rail
44: bottom slider
45: relay member
46: top rail
47 : Top Slider
48: first spring member
481: first inclination angle
49: second spring member
482: second inclination angle
50: displacement means
51 : long hole
52: column part
53: top nut
54: bottom nut
55 : stopper
56: insertion space
57: housing
571: hollow part
572: entrance space
58: identification member
581: entry hall
582: guidelines
B: flexible panel
B1: square base
B2: relay bar
C: connecting bar
D: hanger member
D1: vertical bar
D2: top nut
D3: horizontal bar
D4: lower nut
E: tray
F: angle
G: cover plate
G1: Slope
G2: Lubrication sheet

Claims (5)

m×n seismic isolation units (A) arranged in m rows and n columns (where m and n are integers greater than or equal to 2); and
a flow panel (B) supported by each of the seismic isolation units (A);
Each of the seismic isolation units (A) includes a post 10, a bottom plate 20 connected to an upper portion of the post 10, a top plate 30 disposed spaced apart from the upper side of the bottom plate 20, and the The seismic isolation module 40 mounted on top of the top plate 30 and the displacement for adjusting the horizontal and height of the top plate 30 while interconnecting the bottom plate 20 and the top plate 30位) consists of means (50),
The seismic isolation module 40 is mounted on the top plate 30 and has a square bottom frame 41 having an X-shaped bottom support 411 connecting each inner corner, and an upper portion of the bottom frame 41 A square top frame 42 having an X-shaped top support 421 spaced apart from each other and connecting each inner corner, and one of the X-shaped areas in the bottom support 411 of the bottom frame 41 A bottom rail 43 disposed along a straight area, a bottom slider 44 coupled to slide along the bottom rail 43, a relay member 45 mounted on top of the bottom slider 44, In the top support 421 of the top frame 42, the top rail 46 disposed along the straight area intersecting the bottom rail 43 among the X-shaped areas, and coupled to slide along the top rail 46, The top slider 47 mounted on the top of the relay member 45 has one end connected to two corners where the top rail 46 is not disposed among the four corners of the top frame 42 and the other end connected to the top slider 47. A pair of first spring members 48 connected to the relay member 45, and one end connected to two corners where the bottom rail 43 is not disposed among the four corners of the bottom frame 41, The other end is made of a pair of second spring members 49 connected to the relay member 45,
Each of the first spring members 48 is disposed gradually inclined downward from one end to the other end to form a first inclination angle 481,
Each of the second spring members 49 is gradually inclined upward from one end to the other, forming a second inclination angle 482.
The displacement means 50 is connected to four long holes 51 formed to vertically penetrate through the four corner regions of the bottom plate 20 and the top plate 30, and ends pass through each of the long holes 51. Four pillar parts 52 exposed downward, four top nuts 53 fastened to each pillar part 52 and seated on the upper surface of the bottom plate 20, and each pillar part 52 ), but consists of four bottom nuts 54 seated on the lower surface of the bottom plate 20,
Each of the long holes 51 has a long space structure in a direction in which two long holes 51 facing each other are parallel to each other based on the center of the bottom plate 20,
Each of the pillar portions 52 has a smaller diameter than each of the long holes 51,
The displacement means 50 includes a stopper 55 formed at the intermediate portion of the pillar portion 52, an insertion space portion 56 formed to enlarge the lower side of the long hole 51, and the insertion space portion A housing 57 that is inserted into and seated in the 56 and has a hollow part 571 therein and an entrance space 572 horizontally penetrating inside and outside to be connected thereto, and one end to the entrance space 572 of the housing 57. Height and horizontal adjustment characterized in that an identification member 58 is inserted and has an entry hole 581 having a diameter corresponding to the pillar portion 52 at one end inserted and the other end exposed to the outside. Easy-to-use seismic isolation raised floor system. delete delete According to claim 1,
Bottom plates 20 of adjacent seismic isolation units A are interconnected by a connecting bar C,
A └┘-shaped hanger member (D) suspended from the connection bar (C) and a tray (E) supported by the hanger member (D) are further included. system. delete

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