JP2014043864A - Support device for seismic isolator, and seismic isolator with support device for seismic isolator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a support device for a seismic isolator capable of performing seismic isolation to test research facility equipment and scientific equipment supported by the test research equipment at the time when an earthquake occurs, and capable of avoiding an impact between these equipment and a seismic isolator, and an operator; and provide a seismic isolator having the support device.SOLUTION: A support device 2 for a seismic isolator comprises: a plurality of fixation parts 5 extending in parallel with each other in a direction of separating from a wall surface W, and arranged on a floor surface F; and a plurality of movable parts 6 in which an installation surface (portion) 6a on which a seismic isolator is installed is arranged, and which is supported in a relatively movable manner only in a direction of approaching the wall surface W with respect to each fixation part 5.

Description

  The present invention is a structure such as a bookshelf, a display shelf, a display rack, a water tank, or the like, which is installed inside or outside a structure and used for storing scientific instruments, work tables, articles, etc. The present invention relates to a seismic isolation device support device that allows a seismic isolation device that performs seismic isolation support for structures including structures, and a seismic isolation device having the support device.

  When conducting research and experiments indoors, scientific equipment may be installed in test research facilities such as work tables. In order to keep these scientific instruments healthy during an earthquake, either block the seismic force (inertial force) in the test and research equipment or exempt the test and research equipment itself so that the shaking of the structure does not enter the scientific equipment. It is necessary to support the seismic device.

  Here, the seismic isolation device includes a laminated rubber bearing, a rolling bearing, a sliding bearing, etc., but any type causes relative movement in two horizontal directions with respect to the structure centering on a stationary state during an earthquake. For this reason, when there is a wall around the seismic isolation device, the seismic isolation device or the seismic isolation device supports when the stationary seismic isolation device causes relative movement exceeding the distance from the wall surface. Falling into a situation where an article or structure to be collided with a wall.

  To avoid such a situation, it is necessary to secure a space that allows for the amount of relative deformation of the seismic isolation device itself around the location of the seismic isolation device by moving the seismic isolation device away from the wall in the event of an earthquake. There has been proposed a seismic isolation device support device (for example, see Patent Document 1).

Japanese Patent No. 4688087

  However, on the other hand, the seismic isolation device support device, on the other hand, if there is a worker who is doing any work from the opposite side of the wall to the test and research facility, the seismic isolation device and test and research facility, etc. May collide with the worker.

  The present invention has been made in view of the above circumstances, and is capable of seismically isolating test and research equipment and scientific equipment supported by the equipment in the event of an earthquake, and avoiding collisions between these and seismic isolation devices and the operator. An object of the present invention is to provide a support device for a seismic isolation device, and a seismic isolation device having the support device.

The present invention employs the following means in order to solve the above problems.
The support device for a seismic isolation device according to the present invention is a plurality of members arranged to extend parallel to each other in a direction away from the wall surface on a horizontal surface of a floor surface or a structure that is fixedly mounted on the floor surface. And a plurality of movable parts supported so as to be movable relative to each of the fixed parts only in a direction approaching the wall surface. It is characterized by.

  In the present invention, even if the floor surface vibrates due to the occurrence of an earthquake or the like and the fixed portion vibrates, the movable portion moves only in the direction approaching the wall surface. Therefore, even if there is an operator or the like on the side away from the wall surface with respect to the support device for the seismic isolation device, the seismic isolation device placed on the movable part is preferably prevented from colliding with the worker when an earthquake occurs. It is possible to ensure the safety of the staff

  Further, the present invention is the support device for the seismic isolation device, and includes a locking portion that allows relative movement of the movable portion only in a direction approaching the wall surface with respect to the fixed portion. Be

  According to the present invention, the movable portion can be reliably moved only to the wall surface side with respect to the fixed portion.

  Further, the present invention provides the support device for the seismic isolation device, and allows the relative movement of the movable part in contact with the floor surface or the horizontal plane when the movable part moves relative to the fixed part. In a normal state before the fixed portion receives vibration, at least one end side of the movable portion protrudes from at least one end side of the fixed portion, and the support portion is at least one end side of the movable portion. It is arranged in.

  According to the present invention, the load of the member placed above the movable portion is suitably supported by the support portion, and the movable portion can be easily and stably moved with respect to the fixed portion.

  Moreover, the seismic isolation device with a support device for a seismic isolation device according to the present invention includes a support device for a seismic isolation device according to the present invention and an isolation device mounted on the part of the movable portion of the support device for the seismic isolation device. And a seismic device.

  According to the present invention, it is possible to suitably isolate a device or the like placed on a seismic isolation device against vibrations received by a fixed part and a movable part.

  According to the present invention, when an earthquake occurs, the test and research equipment and the scientific equipment supported by the seismic equipment can be seismically isolated, and between the worker who works from the opposite side of the wall toward the test and research equipment and the seismic isolation device, etc. Collisions can be avoided.

It is a schematic diagram showing a seismic isolation device with a support device for a seismic isolation device according to an embodiment of the present invention. It is a schematic diagram which shows the support apparatus for seismic isolation apparatuses which concern on one Embodiment of this invention. It is a schematic diagram which shows the latching | locking part of the support apparatus for seismic isolation apparatuses which concerns on one Embodiment of this invention. It is a schematic diagram which shows the effect | action at the time of the earthquake occurrence of the seismic isolation apparatus with a support apparatus for seismic isolation apparatuses which concerns on one Embodiment of this invention.

An embodiment according to the present invention will be described with reference to FIGS.
As shown in FIG. 1, a seismic isolation device 1 with a support device for a seismic isolation device according to this embodiment includes a support device 2 for a seismic isolation device and a seismic isolation device 3 placed thereon. Yes.

  As shown in FIG. 2, the seismic isolation device support device 2 includes a plurality of fixed portions 5, a plurality of movable portions 6, and a locking portion 7. The fixing portions 5 are arranged on the floor surface F so as to extend in parallel to each other in a substantially vertical direction with respect to the wall surface W. In addition, the fixing | fixed part 5 may be distribute | arranged on the horizontal surface of the structure not shown which is fixed and mounted on the floor surface F instead of arrange | positioning directly on the floor surface F. FIG.

  The movable portion 6 is formed in a straight line shape, and is supported on the fixed portion 5 so as to be relatively movable with respect to the fixed portion 5 only in the direction approaching the wall surface W. The movable portion 6 is provided with a placement surface (part) 6a on which the seismic isolation device 3 is placed. The structures of the fixed portion 5 and the movable portion 6 are not particularly limited as long as the movable portion 6 can move as described above.

  In a normal state before the fixed portion 5 receives vibration, the one end 6A of the movable portion 6 on the opposite side to the wall surface W is arranged so as to protrude in a direction away from the wall surface W rather than the one end 5A of the fixed portion 5. Yes. At this time, at one end 6A of the movable part 6, when the movable part 6 moves relative to the fixed part 5, a roller (support part) 8 that contacts the floor surface F and allows relative movement of the movable part 6 is arranged. Has been.

  The roller 8 may be disposed on the other end 6B of the movable portion 6 on the wall surface W side, and the other end 6B of the movable portion 6 may be disposed so as to protrude from the other end 5B of the fixed portion 5 to the wall surface W side. Further, the rollers 8 are arranged on both the one end 6A and the other end 6B of the movable portion 6, the one end 6A of the movable portion 6 is projected from the one end 5A of the fixed portion 5, and the other end 5B of the fixed portion 5 is extended. The other end 6B of the movable part 6 may be protruded.

  As shown in FIG. 3, the locking portion 7 includes a locking member 10 disposed on the movable portion 6 and a locked member 11 disposed on the fixed portion 5. The locking member 10 is rotatably supported by a horizontal shaft 12 disposed on the side surface of the movable portion 6, and the tip portion is always rotated downward from the horizontal shaft 12 by its own weight or by a restoring force using a spring (not shown). Arranged to receive the power to try. In addition, the left side of FIG. 3 is the wall surface W side.

  The locked member 11 includes a large number of groove portions 13 having a saw-tooth shape, and is continuously formed in the axial direction of the fixed portion 5. The distal end portion of the locking member 10 has a shape that can be locked to each groove portion 13 of the locked member 11. When the movable portion 6 moves in a direction away from the wall surface W, the leading end portion descends due to its own weight or the like and the groove portion 13. It is locked to. On the other hand, when the movable part 6 moves in the direction approaching the wall surface W, the locking member 10 is flipped up to the upper end side of the groove part 13 and the locked state with the groove part 13 is released.

  In addition, the structure of the latching | locking part 7 is not limited to these, For example, the coefficient of friction between latching members, such as a tile carpet etc., the material which consists of resin and a fiber, or a rubber plate (rubber mat), is large. You may use a material for a to-be-latched member. In that case, the locking member is not formed in a shape in which the locked member side is tapered, but is formed in a shape having a large contact area with the locked member, such as a flat shape on the locked member side.

  The seismic isolation device 3 is configured, for example, as shown in FIGS. 11 to 15 of Japanese Patent No. 4688087, and is mounted on the mounting surface 6a of the movable portion 6 and on the upper surface of the seismic isolation device 3. The work table T and various scientific instruments AP are installed by the method described in the publication.

Next, the operation of the seismic isolation device 1 with the seismic isolation device support device and the seismic isolation device support device 2 according to the present embodiment will be described.
When the floor surface F vibrates in the state illustrated in FIG. 1, the fixing unit 5 moves as the floor surface F moves. At this time, the movable portion 6 is movable with respect to the floor surface F by the roller 8, and only the relative movement to the wall surface W side is allowed by the locking portion 7 with respect to the fixed portion 5, As shown in FIG. 4, the movable portion 6 moves to the wall surface W side together with the seismic isolation device 3 and the like placed on the movable portion 6. In addition, since the vibration transmitted from the floor F to the seismic isolation device 3 is seismically isolated by the seismic isolation device 3, during this time, the work table T and the scientific equipment AP on the seismic isolation device 3 do not vibrate.

  At this time, when the worker U is on the side opposite to the wall surface W with respect to the support device 2 for the seismic isolation device, the seismic isolation device 3 and the work table T move only to the wall surface W side. Will have space to evacuate from.

  According to the seismic isolation device 1 with the seismic isolation device support device and the seismic isolation device support device 2, even if the floor F vibrates due to the occurrence of an earthquake or the like and the fixed portion 5 also vibrates, the movable portion 6 is engaged. The stopper 7 moves only in the direction approaching the wall surface W. Therefore, it is possible to appropriately prevent the scientific equipment APs placed on the movable portion 6 from colliding with the worker U and to ensure safe evacuation of the worker U.

  At this time, since the roller 8 is disposed on the movable portion 6, the movable portion 6 can be easily and stably moved with respect to the fixed portion 5.

  The seismic isolation device 3 is placed on the support device 2 for the seismic isolation device, and the work table T and the like are further placed thereon. Therefore, the seismic isolation device 3 and the like placed on the seismic isolation device 3 can be suitably seismically isolated while the seismic isolation device 3 moves or moves together with the movable portion 6 during vibration.

The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, in the present embodiment, the fixed portion 5 is disposed so as to extend in the vertical direction with respect to the wall surface W, but is not limited thereto, and may be disposed so as to extend in an oblique direction. Further, the fixed portion 5 and the movable portion 6 may be formed in a curved shape instead of a linear shape. Furthermore, you may be comprised by these combinations.

1 Seismic Isolation Device with Seismic Isolation Device Support Device 2 Seismic Isolation Device Support Device 3 Seismic Isolation Device 5 Fixed Part 6 Movable Part 6a Mounting Surface
7 Locking part 8 Roller (supporting part)
F Floor W Wall surface

Claims (4)

A plurality of fixing portions disposed on the floor surface or a horizontal surface of the structure fixedly placed on the floor surface and extending in parallel with each other in a direction away from the wall surface;
A plurality of movable parts supported so as to be relatively movable only in a direction approaching the wall surface with respect to each of the fixed parts, and a portion where the seismic isolation device is placed are arranged,
A support device for a seismic isolation device.   The seismic isolation device support device according to claim 1, further comprising a locking portion that allows relative movement of the movable portion only in a direction approaching the wall surface with respect to the fixed portion. When the movable part moves with respect to the fixed part, a support part that allows the relative movement of the movable part in contact with the floor surface or the horizontal plane,
In a normal state before the fixed portion receives vibration, at least one end side of the movable portion is arranged to protrude from at least one end side of the fixed portion,
The seismic isolation device support device according to claim 1, wherein the support portion is disposed on at least one end side of the movable portion. A support device for a seismic isolation device according to any one of claims 1 to 3,
A seismic isolation device placed on the part of the movable part of the seismic isolation device support device;
A seismic isolation device with a support device for the seismic isolation device.

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