KR102026714B1 - Access Floor with Seismic Isolator with Link Device between Activation Area and Deactivation Area - Google Patents

Abstract

Disclosed is a double vibration isolation floor having a boundary device between an activation area and a deactivation area, the floor comprising: an inner double floor (110), as a drive section, having an inner double floor panel (111) which is formed on an upper end thereof and on which a vibration isolation target facility is seated; an outer double floor (120), as a non-driving section, having an outer double floor panel (121) which has the height different from that of the inner double floor panel (111) and surrounds the inner double floor panel (111); a ball rolling plate (130) stacked on top of the outer double floor panel (121); and a boundary device (140) covering a safety section between the inner double floor (110) and the outer double floor (120) and including a sliding cover plate (141) formed as a steel plate of a predetermined thickness, and bent and inclined between the inner double floor panel (111) and the ball rolling plate (130), and a ball driving unit 142 fixed to a lower end of the sliding cover plate (141) to be in point contact with an upper end of the ball rolling plate (130). Thus, the horizontal vibration isolation minimizing the friction by the point contact of the ball driving unit (142) is implemented, and the vertical vibration isolation is implemented with the self-load and self-elasticity of the boundary device (140).

Description

Seismic double floor with boundary device between driving section and non-driving section {Access Floor with Seismic Isolator with Link Device between Activation Area and Deactivation Area}

The present invention relates to a seismic double ridge, and more particularly, it is possible to implement horizontal seismic prevention with minimal friction by point contact of the ball driving portion, and to seismic vertical with seismic load and self elasticity of the boundary device covering the safety section. The present invention relates to a seismic isolation double floor having a boundary device between a driving section and a non-driving section.

Usually, in order to establish seismic reinforcement measures against the existing double floors of computer rooms of public institutions and general enterprises in accordance with the government's strengthening of the Volcano Earthquake Disaster Prevention Act, seismic target facilities such as various computer equipments are required to Install the base isolation table.

For example, in the case of a general double floor, when the earthquake occurs, the double floor panel is separated while the pillars are shaken, so that the floors are collapsed and the base equipments such as various computer equipment are overturned.

Therefore, the seismic isolator is provided on the upper or lower base of the inner double floor, and is formed by separating the inner double floor which is the movable section and the outer double floor which is the non-operating section, thereby preventing the shock caused by the seismic vibration or the unexpected artificial vibration. Absorption is implemented by absorbing, and a safety section that is spaced apart to prevent collision between the inner double floor and the outer double floor can be installed.

As a related art, Korean Patent Publication No. 1911301 is disclosed. A conventional three-dimensional isolation system comprising a base isolation section and a non-base isolation section includes a cover plate composed of a synthetic resin plate material, and an inclined surface is formed at an end of the cover plate. In addition, the lubricating sheet of PTFE is bonded and fixed to a part or the entire bottom surface of the cover plate to secure the working space continuity and to prevent noise or fire caused by the lubricating sheet.

However, when the dust or foreign matter is attached between the lubricating sheet and the cover plate, the seismic isolating function may be significantly reduced, and the seismic isolating effect in the vertical direction is limited.

Therefore, by improving the surface contact configuration by the lubricating sheet to minimize the friction with the upper end of the non-driven section, it is possible to solve the inhibition of the seismic isolation effect by dust or foreign matter, and the technology that can cover the safety section with a simpler configuration Required.

Korean Registered Patent Publication No. 1911301 (3-D Isolation System Combining Isolation Section and Non-Isolation Section, 2018.10.25) Korean Registered Patent Publication No. 1834259 (Isolation Operation Floor, 2018.03.05) Korean Registered Patent Publication No. 1962573 (Sectioned floor with no safety plate area, 2019.03.26)

The technical problem to be achieved by the spirit of the present invention is to improve the surface contact configuration by the lubricating sheet to minimize the friction with the upper end of the non-driven section while eliminating the damping of the seismic isolation effect by the dust or foreign matter, to a simpler configuration It is to provide a seismic double floor having a boundary device between a driving section and a non-driving section that can cover a safety section.

In order to achieve the above object, the present invention, as the drive section, the inner double floor panel and the support for supporting the inner double floor panel and the inner double floor panel, the seismic isolation target equipment is mounted on the upper end and the inner double coupled to the lower end of the support body Inner double floor, consisting of a seismic isolation device for damping vibration transmitted to the floor panel; A non-driven section, which is formed at a different height from the inner raised floor and is spaced apart from the inner raised floor panel by a predetermined distance to surround the inner raised floor panel and supports the outer raised floor panel and the outer raised floor panel. Lateral double ridges, consisting of a sieve; A ball cloud plate laminated and fixed on the inner edge of the outer double floor panel; And a safety device covering a safety section between the inner raised floor and the outer raised floor, one side of which is fixedly coupled to one edge of the inner raised floor panel, and the other side of which is movable coupled to the top of the ball rolling plate. The boundary device may include a sliding cover plate formed of an iron plate having a predetermined thickness and being bent and inclined between the inner ridge panel and the ball rolling plate, and fixedly formed at a lower end of the sliding cover plate to form a top and a point of the ball rolling plate. A seismic isolation double floor having a boundary device between a driving section and a non-driving section, which is composed of a ball driving section in contact, is provided.

Here, the ball driving unit may be composed of a ball plunger or a ball bearing or bolt lancer.

In addition, the sliding cover plate, the first plate which is bolted and fixed in the horizontal direction and the inner double floor panel, the second plate is bent at an angle from the first plate and formed to be inclined, and horizontal from the second plate It may be composed of a third plate which is bent in a direction extending and fixed to the ball driving portion, and a fourth plate that is bent at an angle from the third plate and inclined to be spaced apart from the ball rolling plate.

In addition, the thickness may be configured to increase or decrease in the order from the first plate to the fourth plate.

In addition, the third plate may be thicker than the second plate.

In addition, the upper surface of the ball rolling plate may be laminated or coated with a non-combustible elastic pad of a predetermined thickness.

In addition, the first plate of the sliding cover plate may be fixedly formed by the inner raised floor panel and the countersunk head bolt or anchor block.

The ball driving unit may include a ball in point contact with an upper end of the ball cloud plate and a housing accommodating the ball, and the housing may be fixedly inserted into a lower end of the third plate or through a flange of the housing. Bolting coupled to the bottom of the third plate, or bolted to the bottom of the third plate through a bolt formed on the upper end of the housing, it may be composed of a ball plunger or ball bearing or bolt transfer.

In addition, the ball cloud plate, adaptively according to the distance between the inner double floor panel and the outer double floor panel is configured to expand and connect in the inner double floor direction, the ball supporting the bottom of the extended ball cloud plate Rolling plate support may be arranged at regular intervals.

According to the present invention, to secure a safe moving path of the operator, to secure the additional equipment loading space, to free the movement of the equipment, to implement the horizontal seismic isolation of the inner double floor by the ball driving unit and the vertical seismic isolation by its elasticity In addition, even when the dust or foreign matter is attached by the ball driving unit to implement a smooth seismic, it is possible to reduce the manufacturing cost by manufacturing a sliding cover plate with a simple configuration by cutting and bending the iron plate.

Figure 1 shows an overall perspective view of a seismic isolation double floor with a boundary device between the drive section and the non-drive section according to an embodiment of the present invention.
FIG. 2 is a perspective view illustrating a separation device of a base isolation double floor having a boundary device between a driving section and a non-drive section of FIG. 1.
3 shows a side structure of the boundary device of FIG.
FIG. 4 illustrates a ball driver of the boundary device of FIG. 2.
Figure 5 illustrates the installation and construction process of the base isolation double floor with a boundary device between the drive section and the non-drive section of FIG.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention having the above-described features.

1 to 5, the seismic double floor having a boundary device between the driving section and the non-driving section according to the embodiment of the present invention is an inner double floor where the seismic isolation target equipment is seated on the upper end as a driving section as a whole. The inner double floor 110 formed with the panel 111 and the non-driving section, the outer double floor panel 121 formed at a different height from the inner double floor 110 and surrounding the inner double floor panel 111. The formed outer double floor 120 and the outer double floor panel 121 is formed on the top of the ball cloud plate 130 and the safety section between the inner double floor 110 and the outer double floor 120 to cover, and Sliding cover plate 141 is formed of a thick steel plate is bent and inclined formed between the inner double floor panel 111 and the ball cloud plate 130, and fixed to the lower end of the sliding cover plate 141 ball ball plate 130 ) Ball driving unit 142 in point contact with the top It is configured, including the boundary device 140, implements the horizontal seismic to minimize the friction by the point contact of the ball driving unit 142, and implements the vertical seismic isolation with the self-load and self-elasticity of the boundary device 140 It is the point to do it.

First, as shown in Figure 1, the inner floor 110 is a drive section capable of XY horizontal flow by the seismic isolator 113, the inner double floor where the seismic isolation target equipment (not shown) is seated on the top Panel 111, a support body 112 for supporting the inner raised floor panel 111, and a seismic isolation device coupled to the lower end of the support body 112 to damp the vibration transmitted to the inner raised floor panel (111) 113).

Here, the base isolation device 113 may be configured to attenuate horizontal and vertical vibrations transmitted from the bottom surface by a vibration absorber composed of a ball, a compression spring, a tension spring, an LM bearing, a rail, or a buffer block.

Next, the outer raised floor 120, as shown in Figure 1, as a non-driven section, is formed at a different height from the inner raised floor 110, spaced apart from the inner raised floor panel 111 by a predetermined distance from the plate shape. An outer double floor panel 121 formed in an ㅁ -shaped square frame shape surrounding the inner double floor panel 111 and a support body 122 fixed to the bottom by supporting a lower end of the outer double floor panel 121. It consists of.

Next, the ball cloud plate 130 is fixed to extend in the horizontal direction inward on the upper edge of the inner edge of the outer raised floor panel 121, as shown in Figure 2, the outer raised floor, as shown in FIG. The panel 121 may be laminated on the top of the panel 121 and fixedly formed.

Next, the boundary device 140, as shown in Figures 2 and 3, covers the safety section between the inner ridge 110 and the outer ridge 120, one side is the inner ridge panel 111. Fixed to one side of the rim, the other side is movable coupled to the top of the ball cloud plate 130.

That is, the boundary device 140 is formed of a metal plate of a certain thickness, the sliding cover plate 141 is formed between the inner double floor panel 111 and the ball cloud plate 130 is bent and inclined, the sliding cover It is fixed to the bottom of the plate 141 is composed of a ball driving unit 142 in point contact with the top of the ball cloud plate 130.

Specifically, referring to FIG. 3, the inner raised floor panel 111 is formed higher or lower than the outer raised floor panel 121, and the sliding cover plate 141 is horizontal to the inner raised floor panel 111. The first plate 141a fixed by bolting, the second plate 141b formed by bending at an angle from the first plate 141a to be inclined downward, and bent in the horizontal direction from the second plate 141b to extend. And the third plate 141c having the ball driving part 142 fixedly formed at the bottom thereof, and the fourth plate 141d bent downward from the third plate 141c and inclined downward to be spaced apart from the ball cloud plate 130. It can be composed of).

On the other hand, the sliding cover plate 141 is struck by its own load, so that the ball driving unit 142 is naturally in point contact with the top of the ball cloud plate 130, and can effectively implement the vertical seismic isolation of the inner double floor panel 111 with its own elasticity. Can be.

Alternatively, the thickness is increased or decreased from the first plate 141a to the fourth plate 141d, or the thickness of the third plate 141c is formed to be thicker than the thickness of the second plate 141b, so that the thickness difference is increased. Due to the difference in load, the ball driving unit 142 is in magnetic contact with the upper end of the ball cloud plate 130, and can effectively implement the vertical isolation of the inner double floor panel 111 with its own elasticity.

2 and 3, the first plate 141a of the sliding cover plate 141 is fixedly formed by the inner double floor panel 111 and the countersunk head bolt 143, and the ball cloud plate 130 is provided. ) May be fixed to the outer double ridge panel 121 and the countersunk head bolt (144).

On the other hand, the fixing configuration by the countersunk head bolt 143, but not limited to this, various fasteners that can prevent the jam when moving the operator and equipment by not being exposed to the upper surface of the anchor block or the first plate (141a). May be applied.

In addition, as shown in FIG. 4, the ball driving unit 142 includes a ball 131 in point contact with the upper end of the ball cloud plate 130, and a housing 132 accommodating the ball 131. 132 is insertedly fixed to the bottom of the third plate (141c) (see (a)), or bolted to the bottom of the third plate (141c) through the flange 132a of the housing 132 (b )), Which is bolted to the bottom of the third plate (141c) through a bolt extending at the top of the housing 132 (see (c)), it may be composed of a ball plunger or ball bearing or bolt lancer.

On the other hand, by the point contact between the top of the ball 131 and the ball cloud plate 130, effectively implements the seismic isolation of the inner double floor panel 111, even if dust or foreign matter is attached to the top of the ball cloud plate 130, ball drive unit 142 It can be implemented so as not to limit the horizontal flow of h).

In addition, although not shown, a non-combustible elastic pad (not shown) of a predetermined thickness is formed on the top of the ball cloud plate 130 or a non-combustible elastic material is coated to serve as an elastic pad. The elastic pad may minimize the occurrence of noise due to the contact between the ball 131 and the ball cloud plate 130 and reduce the friction to minimize the possibility of fire due to frictional heat.

Accordingly, the sliding cover plate 141 is bent and inclined to ensure the safe movement path of the worker between the inner double floor panel 111 and the outer double floor panel 121, and the movement of the equipment with the wheels is maintained. It can be made smoothly, and the safety interval can be utilized to the equipment loading space.

On the other hand, Figure 5 illustrates an installation process of the seismic isolation double floor with a boundary device between the drive section and the non-drive section of Figure 1, in the center, the seismic isolation device 113 and the support body 112 and the inner double floor The panel 111 is stacked to form the inner double floor 110 as a driving section (see (a)), and the support body 122 and the outer double floor panel 121 are stacked to form a non-drive section. Boundary device 140 is provided with an outer double floor 120 (see (b)), a ball cloud plate 130 (see (c)), and a sliding cover plate 141 in the safety section. By installing this, the final construction of the base isolation double floor with a boundary device between the drive section and the non-drive section.

Therefore, by the construction of a seismic double floor having a boundary device between the driving section and the non-driving section as described above, to secure a safe moving path of the operator, to secure additional equipment loading space, to freely move the equipment, It implements horizontal seismic isolation of inner double floor by the ball driving part and vertical seismic isolation by its own elasticity, and implements smooth seismic isolation even when dust or foreign matter is attached by the ball driving part, and simple configuration by cutting and bending steel plate The manufacturing cost can be reduced by manufacturing a sliding cover plate.

The embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all of the technical idea of the present invention, and various equivalents may be substituted for them at the time of the present application. It should be understood that there may be water and variations.

110: inner double floor 111: inner double floor panel
112: support body 113: isolating device
120: outer double floor 121: outer double floor panel
122: support body 130: ball cloud plate
140: boundary device 141: sliding cover plate
141a to 141d: first to fourth plates 142: ball driving part
143,144: Countersunk Head Bolt

Claims (9)

As a driving section, an inner double floor panel on which the seismic isolation target equipment is seated at the upper end, a support body supporting the inner double floor panel, and a seismic isolation device coupled to the lower end of the support body to damp vibration transmitted to the inner double floor panel. Consisting of, the inner double floor;
A non-driving section, formed of a different height from the inner raised floor, and formed of a support body supporting the outer raised floor panel and the outer raised floor panel formed in a shape spaced apart from the inner raised floor panel to surround the inner raised floor panel. Lateral double ridges;
A ball cloud plate laminated and fixed on the inner edge of the outer double floor panel; And
The boundary device covers a safety section between the inner ridge and the outer ridge, and one side is fixedly coupled to one side of the inner ridge panel, the other side is movable coupled to the top of the ball rolling plate;
The boundary device includes a sliding cover plate formed in a plate shape and bent and inclined between the inner raised floor panel and the ball rolling plate, and fixedly formed at a lower end of the sliding cover plate to make point contact with an upper end of the ball rolling plate. Consists of a driving unit,
The sliding cover plate may include a first plate which is bolted and fixed in a horizontal direction with the inner double floor panel, a second plate that is bent at an angle from the first plate and is inclined, and horizontally from the second plate. A boundary device between the drive section and the non-drive section, comprising: a third plate that is bent and extended and the ball driving unit is fixed, and a fourth plate that is bent from the third plate and inclined to be spaced apart from the ball rolling plate. Seismic isolation double floor with.
The method of claim 1,
The ball driving unit, characterized in that consisting of a ball plunger or ball bearing or bolt lancer, seismic isolation double floor with a boundary between the drive section and the non-drive section.
delete The method of claim 1,
And a boundary device between the drive section and the non-drive section, the thickness of which is configured to increase or decrease the thickness from the first plate to the fourth plate.
The method of claim 1,
The third plate is thicker than the second plate, characterized in that the seismic isolation double floor with a boundary device between the drive section and the non-drive section.
The method of claim 1,
The top of the ball rolling plate is characterized in that the non-combustible elastic pad is laminated or coated, characterized in that the base isolation double floor with a boundary between the drive section and the non-drive section.
The method of claim 1,
And the first plate of the sliding cover plate is fixed by the inner double floor panel and the countersunk head bolt or anchor bolt block, having a boundary between a drive section and a non-drive section.
The method of claim 1,
The ball driving unit may include a ball in contact with an upper end of the ball cloud plate and a housing accommodating the ball, and the housing may be fixedly inserted into a lower end of the third plate or may be formed through the flange of the housing. Driven and non-driven, characterized in that consisting of a ball plunger or ball bearing or bolt lancer, bolted to the bottom of the third plate, or bolted to the bottom of the third plate through a bolt extending to the top of the housing Seismic isolation double floor with boundary between sections.
The method of claim 1,
The ball cloud plate is adapted to expand and connect in the direction of the inner double floor according to the separation distance between the inner double floor panel and the outer double floor panel, and supports the lower end of the extended ball cloud plate It is characterized in that the array is formed at regular intervals, seismic isolation double floor with a boundary device between the drive section and the non-drive section.

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