KR102003969B1 - Access Floor having Aseismatic Capacity-Reinforcing Device Capable of Freely Controling Floor Height - Google Patents

Abstract

Disclosed in the present invention is a dual floor with an earthquake-proof reinforcing device (160) of which the floor height is freely adjusted, comprising: a dual floor panel (110); a panel support bracket (120); an upper pillar (130); a lower pillar (140); a floor fixating pillar foothold (150); and an earthquake-proof reinforcing device (160). Therefore, the present invention can be easily installed and maintained.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an access floor having an anti-seismic reinforcing device,

The present invention relates to a double floor having an anti-seismic reinforcing device in which the height of the floor panel is freely adjustable and the rigidity of the supporting frame and the supporting frame is increased. More specifically, the present invention minimizes the bolt fastening part, So that it can flexibly correspond to various distances between the lower struts while tightening the guide pins. Further, it is possible to increase the fastening strength by fastening the guide pin and the adapter, to freely adjust the height of the panel support bracket, The present invention relates to a double floor having an anti-seismic reinforcing device free from height adjustment of floor height, which can be easily maintained.

In accordance with the strengthening of the volcanic earthquake disaster countermeasures law of the government, various computerized equipments are installed at the lower end of the floor .

For example, in the case of an earthquake occurring in a conventional double floor, the floor is shaken and the floor panel is separated, and the floor is collapsed, thereby causing the problem of overturning of various computer equipment.

Korean Patent Registration No. 1530785 discloses a structure in which a stringer is coupled to a reinforcing head by inserting a fastener into a stringer coupling portion in a vertical direction, and it is considerably inconvenient to vertically insert and fasten the fastener without removing the upper panel , There is a side that can not secure the stringer and strut with the tightening strength by the stringer coupling part and the fastener fastening structure.

Also, in Korean Patent Registration No. 1427240, when a pair of coupling blocks is similar, when the coupling blocks are coupled, it is not applicable when the coupling members are vertically inserted into the reinforcing bars and the corresponding fastening holes, The number of parts to be assembled can be reduced by the insertion fixing structure of the insertion hole of the reinforcing bar and the insertion hole of the coupling block. However, there is a limit to increase the fastening strength by the downwardly bent locking protrusion, have.

In addition, Korean Patent Registration No. 1200596 has a problem that the C-shaped clip is pressed from the side of the support unit to be easily coupled, but the upper panel must be removed.

Therefore, there is a demand for a technique for a double floor that includes an anti-seismic reinforcing device that can be easily assembled from the side of a column without removing the upper panel, standardize the reinforcing pipe to enable mass production, and further increase the interlocking strength.

Korean Registered Patent No. 1530785 (dual-floor supporting stiffener, June 25, 2015) Korean Registered Patent No. 1427240 (Double Flooring Seismic Retrofitting Device, Aug. 13, 2013) Korean Registered Patent No. 1200596 (Seismic Retrofit of Double Floors Installed and Installation Method thereof, 2012.11.12)

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a method of assembling an elevator by inserting a reinforcement pipe into an inserting hole on a side of a support through a guide pin having a spring, a cushion rubber, And an anti-seismic reinforcing device capable of adjusting the height of the floor, capable of normalizing the reinforcement pipe, facilitating the installation work, minimizing the number of assembled parts, and increasing the mutual fastening strength.

In order to achieve the above-mentioned object, the present invention provides a double floor panel in which a computer equipment is seated on the upper side; A panel support bracket supporting the bottom of the raised floor panel; An upper support coupled in a vertical direction from a lower end of the panel support bracket and having a bolt tab formed on an outer circumferential surface thereof; Wherein a bolt tab of the upper strut and an inner bolt tab of the upper strut fastening nut are fastened to each other, A lower strut which is locked and fixed to the upper strut by an upper strut fixing nut engaged with a bolt tab of the upper strut; A bottom fixed post foot which is coupled to the bottom edge in the vertical direction and is fixed to the floor; A left and right holding fixture housing which is mutually coupled opposite to the lower edge of the lower fixture, and a connection portion having a bolt tab formed on the outer circumferential surface of the front end, extending from one side of the left and right holding fixtures, A length adjustment guide pin having one side inserted into the inside of the connection portion via the elastic member, an anti-seizure reinforcing pipe in which the other side of the guide pin is inserted in the inside, And an earthquake-reinforcement device coupled to the bolt tab to connect the connection part to the guide pin or the earthquake-resistant pipe, wherein the earthquake-resistant pipe is provided between adjacent lower struts spaced apart at different intervals And an elastic member and a guide pin, Thereby providing a double floor provided with this free earthquake-proof reinforcement.

Here, in the seismic retrofitting apparatus, the guide pin is inserted into the connection portion from the inside of the divided left and right column fixing housings and is exposed to the outside, and a stopper is formed at the rear end of the guide pin, Wherein the elastic member is a compression spring, one side of which is in close contact with the stopper, and the other side of which is fixed by a tongue bolt fastened to a bolt tap formed on the inside of the connecting portion, And the adapter is constituted by a nut having an inner stopper formed at one end thereof and limited by the horn-type stopper, and the nut is inserted into the seismic strengthening pipe and fastened to the bolt tab of the connection portion And the seismic strengthening pipe may be fixed to the connection portion.

Alternatively, in the above-described seismic strengthening apparatus, first and second protruding stoppers protrude from outer circumferential surfaces at both ends of the guide pin, and a slot through which the first protruding stopper is inserted is formed at the front end of the connecting portion, Wherein the member is a cushion rubber or a leaf spring, and the cushion rubber or the leaf spring is inserted into the connection portion and closely contacted with the cushion rubber or the leaf spring accommodated in the elastic member seating portion formed in one side of the guide pin, The second protruding stopper is formed in a cushion-like shape, and the nut passes through the second protruding stopper, and the second protruding stopper And is inserted into the guide pin and is brought into close contact with the rear end of the first protruding stopper and is fastened to the bolt tab of the connecting portion, It may be mutually securing the earthquake-proof reinforcement pipe.

A stud head is formed at an upper end of the upper strut, the upper strut is inserted from an upper portion of the through hole formed at the center of the panel supporting bracket, and is restricted by a stud head stopper formed on a bottom surface of the through hole, And a tongue bolt fastened to the hole and fixed to the stud hole to fix the stud head, wherein a horizontal guide pin extends in the vertical direction on the bottom surface of the panel support bracket, A bottom plate of the horizontal base plate is supported by a height adjusting nut fixedly coupled to the upper support so that the height of the panel support bracket with respect to the lower support can be freely adjusted by rotating the height adjusting nut have.

The horizontal base plate may have a pin guide hole corresponding to the horizontal guide pin.

Further, a horizontal compression compression spring may be coupled to the horizontal guide pin.

The earthquake-proof reinforcement pipe may include the connection portion so as to be fixedly connected in a square structure, a rectangular structure, or an X-shaped structure according to the adjacent arrangement of the lower pillar.

Further, the seismic strengthening device may be constituted by one stage or two stages depending on the required seismic performance or the height of the lower edge.

In addition, the divided left and right holding fixation housings may be fixedly coupled to the lower support via rubber seals or a plastic support sheet made of a plastic material.

In addition, one side of the divided left and right column fixing housings is fastened in a fitting manner and the other side is bolted, the left and right column fixing housings are mutually fixedly connected to the lower column, The left and right holding fixation housings are mutually fixedly coupled to the lower support, and one side and the other side of the divided right and left support fixing housings are bolted to each other, May be mutually fixedly coupled to the lower strut.

Further, bolt fixing holes may be formed in the corner of the floor fixing footrest, and bolts may be fixed to the floor surface through the bolt fixing holes.

Alternatively, it may be fixed to the floor surface by an adhesive applied to the bottom surface of the floor fixing footrest.

In addition, in place of the tongue bolts, a pair of locking protrusions is formed on the side surface, a tool insertion groove engaging with a wrench or a driver is formed in the upper end thereof, and a stud head cap, to which the stud head is coupled, And an L-shaped lock slot is formed in the through hole of the panel support bracket in correspondence with the lock projection, so that the finish block can be inserted and fixed in the through hole of the panel support bracket.

According to the present invention, the seismic strengthening pipe is elastically coupled in the horizontal direction through the elastic member and the guide pin between the adjacent lower struts spaced apart from each other at a different interval, and after the completion of the assembly, So that the vertical height of the panel support bracket can be freely adjusted.

In addition, it is possible to minimize the bolt fastening structure compared to existing seismic retrofitting devices and to increase the fastening strength between the connecting portion and the seismic strengthening pipe even in frequent vibration during long-term use. Also, So that it can be mass-produced.

Furthermore, by tightening the guide pin and the adapter, it is possible to further increase the fastening strength, easily perform on-site assembly and disassembly in a narrow space, and facilitate installation and maintenance.

1 is a perspective view of a double floor having an anti-seismic reinforcement device capable of freely adjusting floor height according to the present invention.
FIG. 2 illustrates a double floor according to a first embodiment of a double floor having an anti-seismic reinforcement device capable of adjusting the floor height of FIG.
Fig. 3 is a view showing the seismic strengthening apparatus of the double floor structure of Fig.
4 is an exploded view of the seismic strengthening apparatus of Fig.
Fig. 5 shows parts of the seismic retrofitting apparatus of Fig. 2. Fig.
FIG. 6 illustrates a double floor according to a second embodiment of the present invention having a seismic-strengthening device having a floor height-adjustable height as shown in FIG.
Fig. 7 is an exploded view of the seismic retrofitting apparatus of Fig. 6. Fig.
Fig. 8 shows parts of the seismic strengthening apparatus of Fig.
Figs. 9 and 10 illustrate the first configuration and the second configuration of the upper strut of Fig. 1, respectively.
Fig. 11 illustrates the parts of the first and second structures of the upper struts of Figs. 9 and 10, respectively.
Fig. 12 illustrates a structural view of a double floor to which the upper strut of Fig. 11 is applied.
FIG. 13 is a flow chart showing the installation of a raised floor according to the first embodiment of FIG. 2. FIG.
FIG. 14 illustrates an arrangement structure of a double-floor seismic strengthening pipe provided with an anti-seismic reinforcement device capable of adjusting the floor height of FIG.
Fig. 15 illustrates a finishing block coupled to the panel support bracket of Fig.

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

Referring to FIGS. 1 to 15, a double floor having an anti-seismic reinforcing device according to the present invention is provided with a double floor panel 110 on which an electronic equipment (not shown) A panel support bracket 120 for supporting the floor panel 110, an upper support 130 coupled to the panel support bracket 120, a lower support 140 to which the upper support 130 is inserted and fixed, A left and right holding fixation housings 161A and 161B to be coupled to the lower support 140 and a left and right support fixing housings 161A and 161B, B, the elastic member 163 inserted into the connection part 162 and the connection part 162 (not shown) via the elastic member 163, A length adjusting guide pin 164 inserted into the inside of the guide pin 164, An advanced steel pipe 165 and an earthquake-enhancing device 160 composed of an adapter 166 fastened to the connecting portion 162 and coupling the connecting portion 162 with the guide pin 164 or the seismic strengthening pipe 165 So that the bolt fastening part can be minimized and the assembly and disassembly can be easily carried out in a narrow space and the guide pin 164 can be standardized while flexibly adapting to various distances between the lower supports 140, And the height of the panel supporting bracket 120 can be freely adjusted, thereby facilitating the installation and maintenance of the panel supporting bracket 120.

First, the panel support bracket 120 supports the lower end of the dual floor panel 110.

The upper strut 130 is coupled vertically from the lower end of the panel support bracket 120 and the bolt tab 131 is formed on the outer circumferential surface of the upper strut 130. The upper strut 130 is inserted into the lower strut 140 and fixed.

The upper strut 130 is inserted into the lower strut 140 and the upper strut coupling nut 141 having a bolt tab formed on the inner side thereof is integrally fixed to the front end of the lower strut 140, The bolt tab 131 of the upper strut 130 and the inner bolt tab of the upper strut fastening nut 141 are mutually fastened.

The upper strut fixing nut 142 is fastened to the bolt tab of the upper strut 130 so that the upper strut 130 and the lower strut 140 are locked with each other to firmly fix the upper strut 130.

2, bolt fixing holes 151 are respectively formed at the corners and fixed to the floor surface through the bolt fixing holes 151 firmly or bolted to the floor (Not shown) applied to the bottom surface of the fixed strut foot 150 can be firmly fixed to the floor surface.

Next, the seismic retrofitting apparatus 160 includes left and right column fixing housings 161A and 161B that are mutually coupled in a pipe shape opposite to the middle portion of the lower column 140, and a pair of left and right column fixing housings 161A and 161B A connecting portion 162 formed on the outer circumferential surface of the front end extending in at least one of the first to fourth directions and formed with a bolt tab 162a, an elastic member 163 inserted into the connecting portion 162, A length adjustment guide pin 164 inserted into the connection portion 162 through the member 163 and an anti-seizure reinforcing pipe 165 in which the other side of the guide pin 164 is inserted inward, And an adapter 166 fastened to the bolt tab 162a and coupling the connection part 162 with the guide pin 164 or the seismic strengthening pipe 165.

2 to 5, the guide pin 164 is inserted into the connecting portion 162 from the inside of the divided left and right column fixing housings 161A and 161B And a stopper 164a is formed at the rear end of the guide pin 164 to restrict the guide pin 164 to the inner space of the connection portion 162. [

The elastic member 163 is a compression spring and is compressed by the tongue bolt 167 fastened to an inner bolt tap (not shown) formed on the inner side of the connecting portion 162, .

A trumpet-type stopper 165a extending outward is formed at both ends of the earthquake-proofing pipe 165. The adapter 166 has an inner stopper 166a which is inwardly limited by a trumpet-type stopper 165a And the nut is inserted into the seismic strengthening pipe 165 and is fastened to the bolt tab 162a of the connecting portion 162 to elastically interpose the guide pin 164 to connect the seismic strengthening pipe 165 to the connecting portion 162. [ It is possible to increase the fastening strength between the connecting portion 162 and the seismic strengthening pipe 165 even with frequent vibration during use for a long period of time by using the standardized and standardized seismic strengthening pipe 165, Can be flexibly applied between the lower struts 140 to be mass-produced.

Alternatively, in the seismic enhancing apparatus 160 of the second embodiment shown in Figs. 6 to 8, the first and second protruding stoppers 164-1, 2 are protruded from the front end of the connecting portion 162. A slot 162c through which the first protruding stopper 164-1 is inserted is formed at the front end of the connecting portion 162 in the longitudinal direction.

The elastic member 163 is a cushion rubber or a leaf spring and the cushion rubber or the leaf spring is inserted into the connecting portion 162 to be received in the elastic member seating portion 164-3 formed in one side of the guide pin 164 And a slot 165b corresponding to the second protruding stopper 164-2 is formed longitudinally at both ends of the anti-seismic reinforcing pipe 165. As shown in Fig.

The adapter 166 is formed of a nut and the second protruding stopper 164-2 is formed in a cushion type so as to smoothly insert the nut into the seismic strengthening pipe 165. The nut is inserted into the second protruding stopper 164, Is inserted into the guide pin 164 through the first protruding stopper 164-2 and is brought into close contact with the rear end of the first protruding stopper 164-1 and is fastened to the bolt tap 162a of the connecting portion 162, The reinforcing pipe 165 is firmly fixed to each other so that the fastening strength between the connecting portion 162 and the seismic strengthening pipe 165 can be increased even with a frequent vibration during use for a long period of time, It can be applied in a flexible manner between the lower struts 140 having different distances.

9 to 11, a stud head 132 is formed at an upper end of the upper strut 130. The upper strut 130 includes a through hole 121 formed at the center of the panel supporting bracket 120, And is fixed by a stud head stopper 122 formed on the bottom surface of the through hole 121 and bolted to the through hole 121 to press the stud head 132 and fix the stud head bolt 123 ).

Here, a stud insertion head 123a coupled with a wrench or a driver is formed at the upper end of the finishing tapered bolt 123, and a stud head cap 123b coupled with the stud head 132 is formed at the lower end thereof.

Alternatively, as shown in Fig. 15, a pair of locking protrusions 123-1a are formed on the side, and a tool insertion groove 123a, which is coupled with a wrench or a driver, And a stud block 123-1 having a stud head cap 123b to which a stud head 132 is coupled is formed at the lower end.

An L-shaped lock slot 123-1b is formed in the through hole 121 of the panel support bracket 120 so as to correspond to the lock projection 123-1a, And can be inserted and fixed in the through hole 121 of the support bracket 120.

Also, the closing block 123-1 may be inserted and fixed in the through hole 121 of the panel supporting bracket 120 by forcing or welding.

A horizontal base plate 125 extending in the vertical direction and penetrating the upper strut 130 and supporting the horizontal guide pins 124 is formed on the bottom surface of the panel support bracket 120, And the bottom surface of the horizontal base plate 125 is supported by a height adjusting nut 126 fixedly coupled to the upper support 130 so that the height of the lower support 140 The height of the panel support bracket 120 can be freely adjusted.

On the other hand, the height adjusting nut 126 is welded and fixed to the upper strut 130 after completion of assembly.

9, the horizontal base plate 125 is coupled to the upper strut 130 in a free state without bolts, and is mounted on the upper floor panel 110 by rotation of the height adjusting nut 126 The horizontal base plate 125 can be rotated in conjunction with the load of the computer equipment, but the horizontal base plate 125 can be maintained in a stable horizontal position.

10, a pin guide hole 125a corresponding to the horizontal guide pin 124 is formed on the horizontal base plate 125 so that the horizontal base plate 125 can be rotated by the rotation of the height adjusting nut 126, The horizontal base plate 125 can be kept stationary while the horizontal direction of the horizontal guide pin 124 is guided.

A horizontal buffering compression spring 127 is coupled to the horizontal guide pin 124 so that the buffering effect on the vertical impact or vibration of the computation equipment of the load smaller than the tension of the horizontal buffering compression spring 127 .

14, the diaphragm reinforcement pipe 165 may have a plurality of connection portions 162 to be fixedly connected in a square structure, a rectangular structure, or an X-shaped structure according to the arrangement of the adjacent lower struts 140, So that it can be adaptively assembled and applied to the raised floor of various installation structures.

Also, although not shown, the seismic retrofitting apparatus 160 may be constituted by one stage or two stages depending on the required seismic performance or the height of the lower support 140.

8, the divided left and right column fixing housings 161A and 161B are mutually fixedly coupled to the lower column 140 via a columnar compression sheet 168 made of a rubber material or a plastic material, It is possible to prevent the left and right rotation of the column fixing housings 161A and 161B or the vertical slip of the lower column 140. [

As shown in Figs. 2 and 4, one side of the divided left and right column fixing housings 161A and B is fastened in a fitting manner and the other side is bolted, and the left and right column fixing housings 161A and 161B One side of the divided left and right column fixing housings 161A and 161B is fastened by a rotatable single rivet type rivet fastening and rotating part and the other side is fastened by upper and lower bolt fastening parts The left and right holding fixation housings 161A and 161B are fixed to the lower support 140 (see Figs. 2B and 4) And the other side is bolted together so that the left and right column fixing housings 161A and 161B can be fixedly coupled to the lower column 140 (refer to (c)).

Referring to FIG. 13, the installation procedure of the double floor according to the first embodiment will be described in detail as follows.

(A), the guide pin 164 is pushed to one side of the anti-seismic reinforcing pipe 165, and the other end of the anti-seismic reinforcing pipe 165 is pressed against the other side The guide pin 164 is inserted into the inner surface of the seismic strengthening pipe 165 by pushing the guide pin 164 by a bar or by hand (b), aligning the seismic strengthening pipe 165 horizontally, (C), the adapters 166 on both sides of the seismic strengthening pipe 165 are simultaneously fastened by using a spanner (not shown) or a hand to connect the seismic strengthening pipe 165 to the connecting portion 162, So that it can be fastened and fixed.

On the other hand, the above-mentioned seismic retrofitting apparatus can be constructed by additionally installing only the lower support of the installed general double floor, or by installing the double floor having the anti-seismic reinforcement at the time of initial construction of the double floor.

In addition, although the height adjustment structure of the panel support bracket 120 and the upper support 130 has been described as being limited to the double floors provided with the seismic strengthening device, the present invention is not limited thereto and may be separately applied to the general floors.

Therefore, by the construction of the double floor having the seismic retrofitting apparatus free from the above-mentioned height adjustment of the floor height, the seismic strengthening pipe can be flexibly moved in the horizontal direction through the elastic member and the guide pin between the adjacent lower pillars spaced apart at different intervals. And the vertical height of the panel supporting bracket can be freely adjusted by the stud head of the upper support without removal of the double floor panel even after the assembly is finished and the bolt fastening structure is minimized compared with the existing seismic reinforcement device, It is possible to increase the fastening strength between the connecting part and the seismic strengthening pipe, and it is possible to mass-produce it by flexibly applying it between the lower struts with different spacing even through the standardized and standardized seismic strengthening pipe. By tightening the guide pin and adapter, To facilitate assembly and disassembly of the site in a narrow space. Lock and can be easy to install and maintain.

The embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention and therefore various equivalents It should be understood that water and variations may be present.

110: double floor panel 120: panel supporting bracket
121: Through hole 122: Stud head stopper
123: tongue bolt 124: horizontal guide pin
125: horizontal base plate 126: height adjusting nut
127: compression spring for horizontal buffering 130:
131: bolt tab 132: stud head
140: lower strut 141: upper strut fastening nut
142: Upper holding nut
150: floor fixing stool foot 151: bolt fixing hole
160: Seismic strengthening device 161A, B: Left and right column fixing housing
162: connection part 163: elastic member
164: guide pin
164-1,2: First and second protruding stoppers 165: Seismic strengthening pipe
166: adapter 167: tongue bolt
168: support crushing sheet 170:

Claims (13)

A dual floor panel with top-mounted computational equipment;
A panel support bracket supporting the bottom of the raised floor panel;
An upper support coupled in a vertical direction from a lower end of the panel support bracket and having a bolt tab formed on an outer circumferential surface thereof;
Wherein a bolt tab of the upper strut and an inner bolt tab of the upper strut fastening nut are fastened to each other, A lower strut which is locked and fixed to the upper strut by an upper strut fixing nut engaged with a bolt tab of the upper strut;
A bottom fixed post foot which is coupled to the bottom edge in the vertical direction and is fixed to the floor; And
A left and right holding fixture housing which is coupled to the left and right support fixture housings so as to be opposed to each other with the bolt tab formed on the outer circumferential surface of the left and right support fixtures in the first to fourth directions, A length-adjusting guide pin having one side inserted into the inside of the connecting portion via the elastic member, an anti-seizure reinforcing pipe in which the other side of the guide pin is inserted in the inside, And an adapter for connecting the connection portion to the guide pin or the anti-seismic reinforcing pipe,
Wherein the seismic strengthening pipe is elastically coupled in the horizontal direction through the elastic member and the guide pin between adjacent lower struts spaced apart at different intervals.
The method according to claim 1,
In the above-described seismic strengthening apparatus,
The guide pin is inserted into the connection portion from the inside of the divided left and right holding housing and is exposed to the outside and a stopper is formed at the rear end of the guide pin to limit the guide pin to the inside space of the connection portion,
Wherein the elastic member is a compression spring, one side of which is in close contact with the stopper, and the other side is fixed by a tongue bolt fastened to a bolt tap formed on the inside of the connecting portion,
Wherein the end portion of each of the seismic retrofitting pipes is formed with a trumpet-type stopper extending outwardly, the adapter being formed by a nut having an inner stopper formed at one end inside thereof by the trumpet-type stopper, And the seismic reinforcing pipe is fastened to the connecting portion by being fastened to the bolt tab of the connecting portion, and the seismic reinforcing pipe is fixed to the connecting portion.
The method according to claim 1,
In the above-described seismic strengthening apparatus,
First and second protruding stoppers protrude from outer circumferential surfaces of both ends of the guide pin, and a slot into which the first protruding stopper is inserted is formed at a front end of the connecting portion, and the elastic member is a cushion rubber or a leaf spring , The cushion rubber or the leaf spring is inserted into the connection part and closely contacted with the cushion rubber or the leaf spring received in the elastic member seating part formed in one side of the guide pin,
Wherein a slot corresponding to the second protruding stopper is formed at both ends of the seismic strengthening pipe,
The adapter includes a nut, the second protruding stopper is cushion-shaped, the nut passes through the second protruding stopper, is inserted into the guide pin, and is brought into close contact with the rear end of the first protruding stopper And the seismic reinforcing pipe is fastened to the bolt tab of the connecting portion to fix the connecting portion and the seismic strengthening pipe to each other.
The method according to claim 2 or 3,
A stud head is formed at an upper end of the upper strut, the upper strut is inserted from an upper portion of the through hole formed at the center of the panel supporting bracket, and is restricted by a stud head stopper formed on a bottom surface of the through hole, And a tongue bolt fastened and fixed by press-fitting the stud head,
Wherein a horizontal guide pin is vertically extended on the bottom surface of the panel support bracket, a horizontal base plate for supporting the horizontal guide pin is inserted through the upper support and the bottom surface of the horizontal base plate is fixed to the upper support And is supported by a height adjustment nut which is engaged,
And a height of the panel supporting bracket with respect to the lower support is freely adjusted by rotation of the height adjusting nut.
5. The method of claim 4,
Wherein the horizontal base plate is provided with a pin guide hole corresponding to the horizontal guide pin.
6. The method of claim 5,
And a horizontal compression cushion spring is coupled to the horizontal guide pin.
The method according to claim 2 or 3,
The earthquake-proof reinforcement pipe is provided with the connecting portion so as to be fixedly connected in a square structure, a rectangular structure, or an X-shaped structure according to the adjacent arrangement of the lower pillar. One double floor.
The method according to claim 2 or 3,
Wherein the seismic retrofitting device is constituted by one stage or two stages depending on the required seismic performance or the height of the lower edge of the lower edge.
The method according to claim 2 or 3,
Wherein the divided left and right column fixing housings are mutually fixedly coupled to the lower column via rubber pillars or plastic supporting pillars of a plastic material.
10. The method of claim 9,
One side of the divided left and right column fixing housings is fastened in a fitting manner and the other side is fastened with bolts so that the left and right column fixing housings are fixedly coupled to the lower column,
One side of the divided left and right column fixing housings is fastened by a rotary single rivet fastening method and the other side is fastened by bolts so that the left and right column fixing housings are mutually fixed to the lower support,
Wherein the left and right column fixing housings are bolted to one side and the other side of the divided right and left column fixing housings so that the left and right column fixing housings are mutually fixedly coupled to the lower column.
The method according to claim 1,
Wherein a bolt fixing hole is formed at an edge of the floor fixing footrest and bolts are fixed to the floor surface through the bolt fixing hole.
The method according to claim 1,
Wherein the bottom wall is fixed to the floor surface by an adhesive applied to the bottom surface of the floor fixing floor scaffold.
5. The method of claim 4,
A pair of locking protrusions are formed on the side of the tongue bolt, a tool insertion groove for engaging with a wrench or a driver is formed in the upper end thereof, and a stud head cap, to which the stud head is coupled, Lt; / RTI >
Characterized in that an L-shaped lock slot is formed in the through hole of the panel supporting bracket in correspondence with the locking projection, and the finishing block is inserted and fixed in the through hole of the panel supporting bracket Double floors with anti-seismic reinforcement.

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