JP6891708B2 - Rack fixing device and server rack - Google Patents

Description

The present invention relates to a rack fixing device used for seismic fixing and a server rack fixed by the rack fixing device.

In the information-oriented society of recent years, the importance of computer centers that process large amounts of data at high speed and efficiently is increasing day by day. Computer centers are required to have a high degree of safety and efficiency because they centrally accommodate ICT (Information and Communications Technology) equipment of public offices and companies that have been distributed at each base.

In a general computer center, a free access floor on which cables and air passages for air conditioning can be installed is installed in the lower space, and a server rack that accommodates a plurality of servers is installed on the free access floor.

For example, Patent Document 1 discloses a technique in which a double floor is formed and an electronic device is installed on the upper surface of the double floor, and a support device is provided on the free access floor.
In the support device of Patent Document 1, a pedestal portion having a mounting groove in the beam member provided on the upper floor of the double floor and a rack of the device which is slidably provided in the mounting groove of the pedestal portion. A configuration is shown in which a fixing portion with a screw hole for fixing the device by tightening a bolt through the device is provided.

JP-A-2017-14783

In Patent Document 1, electronic devices are installed on a double-floor free access floor, but advances in air conditioning systems have made it possible to air-condition without a free access floor.
However, in the device support device shown in Patent Document 1, although the rack for accommodating the electronic device is attached to the beam member provided on the upper floor of the double floor with the pedestal portion and the fixing portion interposed therebetween, the floor. When fixing directly to the slab with anchor bolts, there is a problem that the rack cannot be fixed because it interferes with the reinforcing bar or the old anchor.
Further, in Patent Document 1, since a rack for accommodating electronic devices is installed on a double floor free access floor, a step is formed between the free access floor and the server rack installation surface. Due to this step, it becomes difficult to replace the heavy rack on which the electronic device is mounted, and there is also a problem that the workability at the time of replacement deteriorates.

The present invention has been made in view of the above circumstances, and a storage rack having various width dimensions can be stably arranged on a concrete slab via anchor bolts, and the storage rack can be provided. Provided are a rack fixing device and a server rack capable of improving workability at the time of replacement.

In order to solve the above problems, the present invention proposes the following means.
That is, the rack fixing device of the present invention includes a fixing rail fixed to the floor slab by anchor bolts and a rack fixing bracket movably attached in the length direction of the fixing rail. It has a flat plate portion extending in a direction intersecting the fixed rail, and the flat plate portion is provided with a connecting portion connected to a storage rack in which a server is housed.

In the present invention, storage racks having various width dimensions can be stably arranged on the floor slab via fixed rails supported by anchor bolts, and workability when replacing the storage racks can be improved. Is also possible.

It is a perspective view which shows the main part of the rack fixing device which concerns on this invention. It is an exploded perspective view of the rack fixing device which concerns on 1st Embodiment of this invention. (A) is a perspective view showing a state in which the storage rack is fixed on the fixing rail by the rack fixing device of FIG. 2, and (B) is a perspective view when a Y-shaped metal fitting is used for the rack fixing metal fitting. It is a cross-sectional view which shows the connection state of the fixed rail and the slide part of FIG. In (B), the fixed rail is arranged via the reinforcing bar in the floor slab and the anchor bolt connected to the reinforcing bar before the concrete is placed, and the upper surface of the fixed rail is the same as the finished surface of the floor slab. This is an example of installation in. It is a side view which shows the state which a plurality of storage racks are arranged on a fixed rail. It is a top view which shows the state which the server rack which a plurality of storage racks are adjacent to each other is arranged in a plurality of rows. The storage rack according to the second embodiment of the present invention is a front view seen from the length direction of the fixed rail, (A) is an overall view, and (B) is an enlarged sectional view of a main part of the rack fixing device. is there.

The rack fixing device 100 according to the present invention will be described with reference to FIG.
The rack fixing device 100 is a fixed rail 2 fixed to a reinforcing bar 10 in the floor slab F via an anchor bolt 1 and a rack movably attached in the length direction (arrow x direction) of the fixed rail 2. A fixing bracket 3 is provided.
The rack fixing bracket 3 has a flat plate portion 4 extending in the horizontal direction (arrow y direction) intersecting the fixing rail 2. The flat plate portion 4 is provided with a connecting portion 5 connected to a storage rack R in which a server S serving as an ICT device is housed.

Then, in the rack fixing device 100 configured as described above, the rack fixing device 100 moves to the fixed rail 2 fixed by the anchor bolts 1 on the floor slab F along the length direction (arrow x direction) of the fixed rail 2. The rack fixing bracket 3 is attached as much as possible.
Further, in the rack fixing device 100, the server is provided by the rack fixing bracket 3 via a flat plate portion 4 extending in a direction intersecting the fixing rail 2 (arrow y direction) and a connecting portion 5 on the flat plate portion 4. The storage rack R in which S is housed is fixed.

As a result, in the rack fixing device 100 of the present invention, the storage for the server having various width dimensions is stored on the fixing rail 2 fixed to the reinforcing bar 10 in the floor slab F by the anchor bolt 1 via the rack fixing metal fitting 3. A plurality of racks R can be fixed.
At that time, since each storage rack R is movably provided in the length direction (arrow x direction) of the fixed rail 2 fixed by the anchor bolt 1 via the rack fixing bracket 3, each storage rack R is provided. It is not necessary to connect the anchor bolt 1 every time. Therefore, a new anchor bolt 1 can be post-installed at an arbitrary position in the floor slab F where the reinforcing bars 10 do not interfere with each other while preventing interference with the old anchor bolt.
Thereby, in the present invention, the storage rack R having various width dimensions can be stably arranged on the floor slab F via the fixed rail 2 supported by the anchor bolt 1, and the storage rack R is replaced. It is also possible to improve the workability at the time.

(First Embodiment)
The rack fixing device 101 according to the first embodiment of the present invention will be described with reference to FIGS. 2 to 6.

As shown in FIGS. 2 and 3A, the rack fixing device 101 includes a fixing rail 12 fixed to a reinforcing bar 10 (see FIG. 2) in the floor slab F by anchor bolts 11, and the fixing rail 12. The rack fixing bracket 13 is provided so as to be movable in the length direction (arrow x direction) of the above.
The fixed rail 12 has a rail member 12A formed in a C shape in cross section and an opening formed on the upper side, and a plate-shaped member 12B welded and fixed to the rail member 12A and fixed by anchor bolts 11. The rail member 12A and the plate-shaped member 12B are integrated by welding.

Anchor bolts 11/11'for holding the fixed rail 12 are post-installed anchor bolts installed on the floor slab F by screwing them into the sleeve 11A driven into a hole drilled in the vertical direction of the floor slab F. Is used, and at the time of construction of the floor slab F, an embedded construction anchor bolt embedded in the floor slab F is used by placing concrete after connecting to the reinforcing bar 10.
In the latter embedded construction anchor bolt, the uppermost portion after being embedded in the floor slab F is installed so as to be at the same height as the floor slab finished surface.

For example, FIG. 4A shows an example in which the fixed rail 12 is arranged on the floor slab F in an exposed state by the post-installed anchor bolt 11 and is provided so as to be appropriately removable.
Further, in FIG. 4B, the fixing rail 12 is arranged via the reinforcing bar 10 in the floor slab F and the embedded construction anchor bolt 11'connected to the reinforcing bar 10 before the concrete is placed, and the fixed rail 12 is arranged. An example is shown in which the upper surface of the floor slab is installed so as to be the same as the finished surface of the floor slab.
Further, FIG. 4B shows an example in which the rack fixing bracket 13 fixed by the embedded construction anchor bolt 11'is connected to the storage rack R with casters 50 via the fastening means 21 (described later). Has been done.

As shown in FIG. 2, two fixed rails 12 are installed so as to be parallel to each other at intervals in the horizontal direction (arrow y direction) intersecting the length direction (arrow x direction) of the fixed rail 12. A plurality of storage racks R are arranged adjacent to each pair (two) of the fixed rails 12 in the length direction (arrow x direction) (see FIGS. 3 (A), 5 and 6). ..

In the following description, a server rack 200 in which a plurality of storage racks R are arranged adjacent to a pair of front and rear fixed rails 12 is referred to as a server rack 200.
Further, as shown in FIG. 6, the server racks 200 are provided in a plurality of rows at intervals in the horizontal direction (arrow y direction) intersecting the length direction (arrow x direction) of the fixed rail 12. ..

Four rack fixing brackets 13 are installed for one storage rack R, and two are installed on the fixing rails 12 on each side.
Each rack fixing bracket 13 has a flat plate portion 14 extending in the horizontal direction (arrow y direction) intersecting the fixing rail 12.
The flat plate portion 14 stores a slide portion 16 in which a slide member 15 (see FIGS. 2 and 4) moving in the rail member 12A of the fixed rail 12 is fastened and supported by a fastener 16A, and a plurality of servers S are stored. It has a connecting portion 17 connected to the rack R, and a stepped portion 18 diagonally connecting between the slide portion 16 and the connecting portion 17. With such a configuration, the flat plate portion 14 of the rack fixing bracket 13 is formed in a Z shape as a whole.
Note that FIG. 4B shows an example in which the rack fixing bracket 13 is connected to the storage rack R with casters 50 via the fastening means 21 (described later), but the storage rack without casters 50 is shown. In the case of R, the overall shape of the rack fixing bracket 13 is a flat plate-shaped rack fixing bracket 13 having no stepped portion.

Further, the connecting portion 17 of the flat plate portion 14 of the rack fixing bracket 13 forms a horizontal extension portion 20 extending in the horizontal direction (arrow y direction) intersecting the fixing rail 12, and penetrates the horizontal extension portion 20. A fastening means 21 for fastening the storage rack R is installed in the hole (not shown).
As shown in detail in FIG. 2, the fastening means 21 includes the fastening bolt 22A, the fastening nut 22B, and the insulating bushing 22C, as well as the holding plate 23 and the insulating bushing held by the fastening bolt 22A, the fastening nut 22B, and the insulating bushing 22C. The plate 24 has a plate material 25 that receives the load of the storage rack R via the fastening bolt 22A on the slab.
The presser plate 23 is located between the fastening nut 22B and the storage rack R, and is provided to transmit the fastening force of the fastening nut 22B to the flat plate portion 14 of the storage rack R and the rack fixing bracket 13. .. The insulating plate 24 is provided to cut off the electrical continuity between the server S and the fixed rail 12 in the storage rack R. By adjusting the screwing length of the fastening bolt 22A to the plate material 25 and changing the thickness of the plate material 25 itself (or a combination thereof), the amount of protrusion of the fastening bolt 22A downward can be adjusted to accommodate the storage rack R. It acts as a levelizer that adjusts the horizontal level.

The rack fixing bracket 13 as described above has various sizes by appropriately changing the length of the flat plate portion 14 (replacing the bracket) according to the size of the storage rack R to which the server S is fixed. It is possible to correspond to the storage rack R of the above, and the storage rack R can be arranged adjacently on the fixed rail 12 regardless of the size.

Then, in the rack fixing device 101 of the first embodiment configured as described above, the length direction (arrow x direction) of the fixing rail 12 is attached to the fixing rail 12 fixed on the floor slab F by the anchor bolts 11. The rack fixing bracket 13 is attached so as to be movable along the above. Further, in the rack fixing device 101, the server S is provided to the rack fixing bracket 13 via a flat plate portion 14 extending in a direction intersecting the fixing rail 12 (arrow y direction) and a connecting portion 17 on the flat plate portion 14. The storage rack R in which the server is housed is fixed.

As a result, in the rack fixing device 101 of the first embodiment, the fixing rail 12 fixed to the reinforcing bar 10 in the floor slab F by the anchor bolt 11 is used for the server having various width dimensions via the rack fixing metal fitting 13. A plurality of storage racks R can be fixed.
At that time, since each storage rack R is movably provided in the length direction (arrow x direction) of the fixed rail 12 fixed by the anchor bolt 11 via the rack fixing bracket 13, each storage rack R is provided. It is not necessary to connect the anchor bolts 11 every time.
Thereby, in the first embodiment, the storage rack R having various width dimensions can be arranged in a stable state on the floor slab F via the fixed rail 12 supported by the anchor bolt 11, and the storage rack R can be arranged. It is also possible to improve workability at the time of replacement.

Further, in the rack fixing device 101 of the first embodiment, the rack fixing bracket 13 having the flat plate portion 14 having the optimum length is selected and replaced according to the size of the storage rack R in which the server S is housed. , It is possible to correspond to the storage rack R of various sizes, and the storage rack R can be arranged adjacently on the fixed rail 12 regardless of the size.

In the rack fixing device 101 of the first embodiment, the fastening bolt 22A of the fastening means 21 is passed through a through hole (not shown) formed in the flat plate portion 14 of the rack fixing bracket 13, so that the flat plate portion 14 is passed through. However, the method is not limited to this, and as shown by reference numeral 14A in FIG. 3A, the bolts may be fastened to the notch formed at the edge of the flat plate portion 14.
More specifically, as shown in FIG. 3B, a Y-shape (the tip is bifurcated and the shaft is bifurcated) in which the fastening bolt 22A of the fastening means 21 is sandwiched between the flat plate portion 14 of the rack fixing bracket 13. A recess 14A'(that is, a Y-shaped rack fixing bracket is used) is formed (that is, a Y-shaped rack fixing bracket is used), and a fastening means 21 serving as a levelizer is provided in the recess 14A'. You may conclude.
Such a Y-shaped rack fixing bracket is most suitable for holding a storage rack R with casters 50 as shown in FIG. 3 (B).
Then, by fastening the fastening bolt 22A of the fastening means 21 to the notch 14A (recess 14A') formed at the edge of the flat plate portion 14, the mounting workability of the storage rack R is improved.

Further, in the above embodiment, the rack fixing bracket 13 is installed for each of the fixing rails 12 on each side, but the present invention is not limited to this, and the rack fixing bracket 13 having both sides is provided so as to connect the front and rear fixing rails 12. It may be used to connect the storage rack R to the two fixed rails 12 via one rack fitting 13.
Further, the fixed rail 12 is provided in front of and behind the rack R according to the weight of the rack R or the strength required to support the rack R according to the expected acceleration of an earthquake or the like, and the rack R is provided from both sides. It may be fixed.

(Second Embodiment)
The rack fixing device 102 according to the second embodiment of the present invention will be described with reference to FIG. The rack fixing device 102 according to the second embodiment has a different configuration from the rack fixing device 101 according to the first embodiment in the shape of the rack fixing bracket for fixing the storage rack R to the fixing rail 12. ..

That is, in the first embodiment, as shown in FIG. 2, the connecting portion 17 formed in the flat plate portion 14 of the rack fixing bracket 13 extends in the horizontal direction (arrow y direction) intersecting the fixed rail 12. The part 20 is formed.
On the other hand, in the second embodiment, as shown in FIG. 7, the connecting portion 32 formed in the flat plate portion 31 of the rack fixing bracket 30 is bent in a direction orthogonal to the floor slab F (arrow z). A vertical extension 33 extending in the direction) is formed. As a result, the flat plate portion 31 of the rack fixing bracket 30 is formed in an L shape as a whole.
The side surface of the gantry 40 of the storage rack R is brought into contact with the vertical extension portion 33, and is fastened to the side surface portion of the gantry 40 via the fastening means 34.
That is, the rack fixing bracket 30 of the second embodiment has a fixing rail 12 fixed to the floor slab F by anchor bolts 11 via a flat plate portion 31, and a side surface portion of a pedestal 40 on which the storage rack R is placed. Connect to each other.

Here, the pedestal 40 to which the flat plate portion 31 of the rack fixing bracket 30 is connected is installed for mounting and fixing the storage rack R, but depending on the situation, the pedestal 40 may be abolished and the rack fixing bracket 30 may be abolished. The vertical extension portion 33 formed on the flat plate portion 31 of the above may be directly connected to the side surface of the storage rack R.
Further, as shown in FIG. 7, the storage rack R after being placed on the upper surface of the gantry 40 moves together with the casters 41 for facilitating movement on the lower surface of the storage rack R arranged on the gantry 40. A fixing means 42 such as a bolt is provided to prevent this from happening.
Further, since the gantry 40 is formed in a hollow shape, as shown by arrows C1 and C2, if it is used for a storage rack R in a form of sucking cold air supplied from an air conditioner from below, the storage is said. It is possible to further improve the cooling efficiency of the server mounted on the rack R. Further, when the cable is laid using the space inside the gantry 40, the cable can be pulled in from the lower part of the rack R.

As described in detail above, in the rack fixing device 102 of the second embodiment, various widths are provided to the fixing rail 12 fixed by the anchor bolts 11 on the floor slab F via the L-shaped rack fixing bracket 30. A storage rack R for a server having dimensions or a pedestal 40 serving as a mounting base thereof can be fixed.
At that time, since each storage rack R is provided so as to be movable in the length direction (arrow x direction) of the fixed rail 12 fixed by the anchor bolts 11 via the rack fixing bracket 30, each storage rack R is provided. It is not necessary to connect the anchor bolts 11 every time.
As a result, in the second embodiment, as in the first embodiment, the storage rack R having various width dimensions is stably arranged on the floor slab F via the fixed rail 12 supported by the anchor bolt 11. At the same time, it is possible to improve workability when replacing the storage rack R.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and design changes and the like within a range not deviating from the gist of the present invention are also included.

The present invention relates to a rack fixing device used for seismic fixing in a computer center and a server rack fixed by the rack fixing device.

1 Anchor bolt 2 Fixed rail 3 Rack fixing device 4 Flat plate part 5 Connecting part 10 Reinforcing bar 11 Anchor bolt 11'Anchor bolt 11A Sleeve 12 Fixed rail 13 Rack fixing device 14 Flat plate part 15 Connecting part 20 Horizontal extension part 33 Vertical extension part 100 Rack Fixing device 101 Rack fixing device 102 Rack fixing device 200 Server rack R Storage rack F Floor slab S Server

Claims (11)

Fixed rails that are fixed to the floor slab by anchor bolts,
The rack fixing bracket, which is mounted so as to be movable in the length direction of this fixed rail, is provided.
The rack fixing bracket has a flat plate portion extending in a direction intersecting the fixing rail.
This flat plate portion is provided with a connecting portion that is connected to a storage rack in which the server is stored.
The flat plate portion extends in a direction parallel to the floor slab, and has a horizontal extension portion on the upper surface thereof so that the bottom surface of the storage rack is in contact with the flat plate portion.
A rack fixing device characterized in that a spacer for adjusting the height between the flat plate portion and the floor slab is interposed on the lower surface of the horizontal extension portion. Fixed rails that are fixed to the floor slab by anchor bolts,
The rack fixing bracket, which is mounted so as to be movable in the length direction of this fixed rail, is provided.
The rack fixing bracket has a flat plate portion extending in a direction intersecting the fixing rail.
This flat plate portion is provided with a connecting portion that is connected to a storage rack in which the server is stored.
A rack fixing device characterized in that the flat plate portion extends in a direction orthogonal to the floor slab, and has a vertical extension portion on the surface thereof with which a side surface of a storage rack or a gantry thereof is in contact. The rack fixing device according to any one of claims 1 or 2, wherein a plurality of storage racks are adjacent to each other along the length direction of the fixed rail. Claims 1 to 1, wherein the anchor bolt is buried in the floor slab at the same height as the floor slab by connecting concrete in the reinforcing bar at the time of construction of the floor slab and then placing concrete in the floor slab . The rack fixing device according to any one of 3. The rack fixing device according to any one of claims 1 to 3, wherein the anchor bolt is installed on the floor slab by driving it into a hole formed in a hole perpendicular to the floor slab. The fixed rails are arranged in pairs at front and back of the storage rack at intervals.
The rack fixing device according to any one of claims 1 to 5, wherein the rack fixing bracket is arranged so as to connect the pair of fixing rails, and the storage rack is held on both sides. Claims 1 to 1, wherein the connecting portion comprises a through hole penetrating the flat plate portion and a fastening means for connecting the flat plate portion to the storage rack by fastening bolts and nuts passing through the through hole . 6. The rack fixing device according to any one of 6. The connecting portion is characterized by comprising a notch formed in the edge portion of the flat plate portion and a fastening means for connecting the flat plate portion to the storage rack by fastening bolts and nuts passing through the notch. The rack fixing device according to any one of claims 1 to 7. The eighth aspect of the present invention, wherein a Y-shaped metal fitting having a notch formed in the flat plate portion is used as the rack fixing metal fitting, and the levelizer of the storage rack with casters is held by the Y-shaped metal fitting. Rack fixing device. The rack fixing device according to any one of claims 1 to 9 is characterized in that a plurality of storage racks for storing servers are adjacently arranged on a fixed rail fixed to a floor slab by anchor bolts. Server rack to do. A plurality of pairs of the fixed rails are installed on the floor slab so as to be parallel to each other.
The server rack according to claim 10 , wherein a plurality of rows of the storage racks arranged adjacent to each other are arranged on the fixed rails of each pair.

Images