JPS6035710Y2 - Vibration-isolated floor structure - Google Patents

Description

[Detailed description of the invention] This invention is designed to prevent the transmission of vibrations caused by earthquakes to the free-access double floor where equipment that is sensitive to vibrations, such as computer rooms or communication equipment rooms, is installed, thereby ensuring the safety of operators and computer equipment. This is a vibration-isolated floor that maintains durability and precision, and is a floor that incorporates a cushioning material that can attenuate and absorb vibrations such as seismic force input horizontally to the floor of a building, and has a high degree of vibration-isolation effect. It provides structure.

Generally, computer equipment is installed on a double floor called a raised floor.

However, during an earthquake, operators and equipment may be damaged due to floor panels on raised floors lifting up or falling off, equipment moving or falling over, and safety measures have been a problem.

This invention was made to solve the above-mentioned problems, and its purpose is to improve the safety of computer rooms by reducing the acceleration input to computer equipment due to earthquakes.

In particular, compared to conventional seismic isolation floors, it does not use devices such as springs or dampers, and is configured so that the seismic force input to the building will not be accelerated beyond the set strength on the double floor. This is a vibration-isolating floor, and provides a vibration-isolating floor structure that is simple in structure, highly reliable, and has a high vibration-isolating effect.

Hereinafter, a case in which an embodiment of this invention is applied to earthquake countermeasures for a computer room will be described in detail with reference to the attached drawings.

Figure 1 is a schematic explanatory diagram of a computer room equipped with a vibration-isolating floor. It is now possible to do so.

Therefore, acceleration to the building due to an earthquake is not directly applied to the computer 4.

As shown in Figures 2 to 4, the above-mentioned vibration isolation floor structure has large beams 5 supporting the vibration isolation floor arranged at appropriate lattice intervals, and furthermore, small beams 5 for supporting the vibration isolation floor on the free access floor 1 are arranged within the lattice. A beam 6 is provided.

A movable leg 2 is attached to the intersection between the girders 5.

A buffer material 8 having a spring and damper effect is inserted between the side of the girder 5 and a stopper 7 fixed to the structural floor 3, or inserted around the movable leg 2 attached to the intersection between the girders 5. The double floor maintains restoring force and damping force.

The above-mentioned cushioning material 8 may be arranged all around the movable leg 2 as shown in FIGS. 3 and 4, or distributed at appropriate positions on the girder 5 as shown in FIG. 2. Is possible.

Note that it can also be placed between the computer room and the surrounding walls.

As for the movable legs 2, as shown in FIG. 4, there are two types: rolling friction using ball bearings, etc., and sliding friction using Teflon, etc., and these can be set as appropriate.

As explained in detail above, the vibration isolation floor structure according to this invention has the following effects.

First of all, the vibration-isolating floor structure has a simple structure, provides a very high vibration-isolating effect, has excellent vibration resistance, and can ensure the safety of operators and computer equipment.

That is, as can be seen from the example of the vibration isolation effect shown in FIG. 5, the structure is such that even if the input acceleration increases, the acceleration on the vibration isolation floor does not increase.

Therefore, compared to other structures, it has superior earthquake resistance; for example, a structure that reinforces the legs of a raised floor may not be able to prevent equipment from moving or falling, or it may not be possible to prevent equipment from moving or falling over. Even if it is possible to prevent the equipment from moving or falling over, problems such as the risk of excessive acceleration being applied to the equipment can be solved.

Furthermore, there are examples of installing seats on the legs of equipment to prevent movement, but the effectiveness is not as high as expected.

Second, the layout of computer rooms often changes, and unlike those where equipment is fixed to the structural floor,
You can freely change the layout of computer equipment.

Thirdly, the spring constant of the cushioning material can be freely selected by changing the material, size, shape, etc., and the spring constant can be set in accordance with the vibration characteristics of the building.

Fourthly, regardless of the size, size, or shape of the computer room, the mounting position of the cushioning material can be set not only around the free access floor but also anywhere under the floor. This has the advantage of expanding the scope of application.

Fifth, conventional structures using springs and dampers are not only complex but also expensive, and require specialized engineers to construct.This idea, however, is systematized by combining relatively simple parts. It is possible to provide a vibration-isolating floor structure that is easy to install, inexpensive, and has an excellent vibration-isolating effect.

[Brief explanation of the drawing]

Fig. 1 is a schematic diagram of a computer room showing one embodiment of this invention, Fig. 2 is an explanatory diagram showing the main parts of a vibration-isolating floor according to this invention, and Fig. 3 shows another embodiment of this invention. FIG. 4 is an explanatory diagram of a vibration-isolating floor showing another embodiment of this invention, and FIG. 5 is an explanatory diagram showing the vibration-isolating effect of the vibration-isolating floor according to this invention. 1... Free access floor, 2...
Movable legs, 3...Structural floor, 4...Computer, 5...Major beam, 6...Small beam, 7...
...stopper, death...buffer material.

Claims (1)

[Scope of utility model registration request] In the vibration-isolated floor structure, large beams supporting the vibration-isolated floor are arranged at appropriate grid intervals, and small beams for the leg supports of the free access floor are installed within the grid, and the structural floor can be freely moved under the intersections of the above-mentioned large beams. A vibration-isolating floor structure in which sliding movable legs are attached, and a shock absorbing material having a spring and damper effect is inserted around the movable legs between the girder and a stopper attached to the structural floor or at the intersection of the girders.