JP2015137728A - Seismic isolation structure for equipment - Google Patents

Seismic isolation structure for equipment Download PDF

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JP2015137728A
JP2015137728A JP2014010337A JP2014010337A JP2015137728A JP 2015137728 A JP2015137728 A JP 2015137728A JP 2014010337 A JP2014010337 A JP 2014010337A JP 2014010337 A JP2014010337 A JP 2014010337A JP 2015137728 A JP2015137728 A JP 2015137728A
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elastic pad
isolation structure
seismic isolation
equipment
cover member
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規久男 杉田
Kikuo Sugita
規久男 杉田
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Abstract

PROBLEM TO BE SOLVED: To protect an elastic pad from sunshine and dust by the usage of a member capable of being easily detached.SOLUTION: An elastic pad 12 is placed on a floor surface F, and a leg 2 of equipment 1 is supported on the elastic pad 12 through a pressurizing member 13. In the state of pressurizing the elastic pad 12 with the load of the equipment 1, vibration propagation from the floor surface F to the equipment 1 is suppressed by viscoelasticity of the pad 12. The pressurizing member 13 includes: a pressurizing plate 16 joined to the elastic pad 12; and a bolt 17 erected on the pressurizing plate 16. The bolt 17 is attached to the leg 2 by a nut 18 so that the height can be adjusted. A cover member 22 having weather resistance and flexibility is removably attached to the bolt 17 by a fastener 23, and the elastic pad 12 is surrounded by the cover member 22.

Description

本発明は、床面の上に設置された機械、タンク、ショーケース等の設備機器の免震構造に関する。   The present invention relates to a seismic isolation structure for equipment such as machines, tanks, showcases and the like installed on a floor surface.

床面から設備機器への震動伝播を抑えるために、従来、床面と設備機器の脚部との間に弾性パッドを介在させる技術が知られている。例えば、特許文献１には、図８に示すように、塑性変形部材５２が埋設されたパッド５３を床面Ｆに接着し、この弾性パッド５３の上に金属製の加圧プレート５４を介して設備機器５５の脚部５６を載せ、弾性パッド５３によって地震時の震動を吸収する免震構造５１が提案されている。   In order to suppress the propagation of vibration from the floor surface to the equipment, a technique in which an elastic pad is interposed between the floor and the legs of the equipment is known. For example, in Patent Document 1, as shown in FIG. 8, a pad 53 in which a plastic deformation member 52 is embedded is bonded to a floor surface F, and a metal pressure plate 54 is placed on the elastic pad 53. A seismic isolation structure 51 is proposed in which legs 56 of equipment 55 are placed and an elastic pad 53 absorbs vibrations during an earthquake.

国際公開第WO/2012/172819号International Publication No. WO / 2012/172819

ところが、従来の免震構造５１によると、弾性パッド５３の周囲が開放しているため、日射によって弾性パッド５３が劣化したり、切削機械から出た切粉が弾性パッド５３に突き刺さったり、床面のゴミや砂が弾性パッド５３に付着したりするなどの問題点があった。そこで、弾性パッド５３の周囲にコーキング材を打つ保護方法も考えられるが、そうすると、設備機器の配置替えに際し、コーキング材を除去した後に再び打設する必要があり、作業に手間がかかるという面倒がある。   However, according to the conventional seismic isolation structure 51, since the periphery of the elastic pad 53 is open, the elastic pad 53 deteriorates due to solar radiation, chips from the cutting machine pierce the elastic pad 53, or the floor surface. There is a problem that dust and sand adhere to the elastic pad 53. Then, although the protection method which strikes a caulking material around the elastic pad 53 is conceivable, when doing so, it is necessary to place it again after removing the caulking material when rearranging the equipment, which is troublesome in that it takes time and effort. is there.

本発明の目的は、取り外しが容易な部材を用いて、弾性パッドを日射や塵埃から保護できる免震構造を提供することにある。   An object of the present invention is to provide a seismic isolation structure that can protect an elastic pad from solar radiation and dust using a member that can be easily removed.

上記課題を解決するために、本発明は次のような免震構造を提供する。
（１）床面の上に弾性パッドを設置し、弾性パッドの上に加圧部材を介して設備機器を支持し、設備機器の荷重で弾性パッドを加圧した状態で、床面から設備機器への震動伝播を抑える免震構造において、弾性パッドに被さるカバー部材を加圧部材に対して取り外し可能に設けたことを特徴とする。 In order to solve the above problems, the present invention provides the following seismic isolation structure.
(1) Install an elastic pad on the floor, support the equipment on the elastic pad via a pressure member, and press the elastic pad with the load of the equipment in order to install the equipment from the floor In the seismic isolation structure that suppresses the propagation of vibration to the surface, the cover member covering the elastic pad is provided so as to be removable from the pressurizing member.

（２）カバー部材が耐候性および柔軟性を備えた高分子材料で形成されていることを特徴とする上記１に記載の免震構造。 (2) The seismic isolation structure according to (1) above, wherein the cover member is made of a polymer material having weather resistance and flexibility.

（３）加圧部材が弾性パッドに接合する加圧プレートと、設備機器の荷重を受けるボルトとを含み、ボルトが設備機器に高さ調節可能に取り付けられることを特徴とする上記１又は２に記載の免震構造。 (3) In the above 1 or 2, wherein the pressure member includes a pressure plate that joins the elastic pad and a bolt that receives the load of the equipment, and the bolt is attached to the equipment so that the height can be adjusted. The seismic isolation structure described.

（４）カバー部材が加圧部材のボルトに取り外し可能に装着されることを特徴とする上記３に記載の免震構造。 (4) The seismic isolation structure according to (3) above, wherein the cover member is detachably attached to the bolt of the pressure member.

（５）カバー部材が加圧部材の加圧プレートに取り外し可能に装着されることを特徴とする上記３に記載の免震構造。 (5) The seismic isolation structure according to (3) above, wherein the cover member is detachably attached to the pressure plate of the pressure member.

（６）加圧プレートが合成樹脂材料で形成され、カバー部材が加圧プレートを介して弾性パッドに被さる金属板を含むことを特徴とする上記３に記載の免震構造。 (6) The seismic isolation structure as described in (3) above, wherein the pressure plate is formed of a synthetic resin material, and the cover member includes a metal plate that covers the elastic pad through the pressure plate.

本発明の免震構造によれば、弾性パッドの周りを取り囲むカバー部材を加圧部材に対して取り外し可能に設けたので、カバー部材により弾性パッドを日射や塵埃から保護できるとともに、設備機器の配置替えに際して、カバー部材を容易に脱着できるという効果がある。   According to the seismic isolation structure of the present invention, the cover member surrounding the elastic pad is provided so as to be removable from the pressurizing member, so that the elastic pad can be protected from solar radiation and dust by the cover member, and the arrangement of the equipment is also provided. At the time of replacement, there is an effect that the cover member can be easily detached.

本発明の一実施形態を示す免震構造の斜視図である。It is a perspective view of the seismic isolation structure which shows one Embodiment of this invention. 図１の免震構造を分解して示す斜視図である。It is a perspective view which decomposes | disassembles and shows the seismic isolation structure of FIG. 図２の免震構造の使用状態を示す断面図である。It is sectional drawing which shows the use condition of the seismic isolation structure of FIG. カバー部材の変更例を示す免震構造の断面図である。It is sectional drawing of the seismic isolation structure which shows the example of a change of a cover member. カバー部材の別の変更例を示す免震構造の断面図である。It is sectional drawing of the seismic isolation structure which shows another example of a change of a cover member. 本発明の別の実施形態を示す免震構造の断面図である。It is sectional drawing of the seismic isolation structure which shows another embodiment of this invention. 本発明の免震構造の別の適用例を示す設備機器の立面図である。It is an elevation view of facility equipment showing another application example of the seismic isolation structure of the present invention. 従来の免震構造を示す設備機器の立面図である。It is an elevation view of facility equipment showing a conventional seismic isolation structure.

以下、本発明の実施形態を図面に基づいて説明する。図１、図２に示す免震構造１１は、設備機器としての機械１と床面Ｆとの間に設置されている。機械１は複数の脚部２を備え、それぞれの脚部２が免震構造１１によって床面Ｆ上に高さ調節可能に支持されている。免震構造１１は、床面Ｆに設置される弾性パッド１２と、弾性パッド１２と脚部２との間に介在する加圧部材１３とを備えている。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. The seismic isolation structure 11 shown in FIGS. 1 and 2 is installed between the machine 1 as the equipment and the floor F. The machine 1 includes a plurality of legs 2, and each leg 2 is supported on the floor surface F by a seismic isolation structure 11 so that the height can be adjusted. The seismic isolation structure 11 includes an elastic pad 12 installed on the floor surface F and a pressure member 13 interposed between the elastic pad 12 and the leg 2.

図２、図３に示すように、弾性パッド１２は弾粘性を保有する透明または半透明のゲル状弾性体１４と、塑性変形可能な支持体１５とを備え、支持体１５がゲル状弾性体１４中に埋設されている。ゲル状弾性体１４の表裏両面には粘着層１４ａ，１４ｂが設けられ、裏面粘着層１４ｂにより弾性パッド１２が床面Ｆに接着される。支持体１５は、金属または硬質合成樹脂材料で円筒形、円柱形または球形に形成され、機械１の荷重でゲル状弾性体１４が押し潰されない程度の剛性を備えている。   As shown in FIGS. 2 and 3, the elastic pad 12 includes a transparent or translucent gel elastic body 14 having elastic viscosity and a plastically deformable support body 15, and the support body 15 is a gel elastic body. 14 is embedded. Adhesive layers 14a and 14b are provided on both front and back surfaces of the gel elastic body 14, and the elastic pad 12 is bonded to the floor surface F by the back adhesive layer 14b. The support 15 is formed of a metal or a hard synthetic resin material into a cylindrical shape, a columnar shape, or a spherical shape, and has a rigidity that prevents the gel elastic body 14 from being crushed by the load of the machine 1.

加圧部材１３は、ゲル状弾性体１４の表面粘着層１４ａに接着される加圧プレート１６と、機械１の荷重を受けるために加圧プレート１６に立設されたボルト１７とを含み、ボルト１７がナット１８で機械１の脚部２に高さ調節可能に取り付けられている。そして、床面Ｆの上に弾性パッド１２を設置し、弾性パッド１２の上に加圧部材１３を介して脚部２を支持し、機械１の荷重で弾性パッド１２を加圧した状態で、パッド１２の弾粘性によって床面Ｆから機械１への震動伝播を抑制するようになっている。なお、加圧プレート１６の裏面には規制壁１９が突設され、必要に応じて、規制壁１８の外側にコーキング材２０によって防塵／防水壁２１が形成される。   The pressure member 13 includes a pressure plate 16 adhered to the surface adhesive layer 14 a of the gel elastic body 14 and a bolt 17 erected on the pressure plate 16 to receive the load of the machine 1. 17 is attached to the leg 2 of the machine 1 by a nut 18 so that the height can be adjusted. And in the state which installed the elastic pad 12 on the floor surface F, supported the leg part 2 via the pressurization member 13 on the elastic pad 12, and pressurized the elastic pad 12 with the load of the machine 1, The elastic propagation of the pad 12 suppresses the propagation of vibrations from the floor surface F to the machine 1. A regulating wall 19 protrudes from the back surface of the pressure plate 16 and a dustproof / waterproof wall 21 is formed by a caulking material 20 outside the regulating wall 18 as necessary.

弾性パッド１２に被さるように、加圧部材１３にはカバー部材２２が取り外し可能に設けられている。カバー部材２２は、シリコンゴム等の耐候性、柔軟性および弾性を備えた高分子材料で扇形のシート状に形成され、短い方の側縁にファスナー２３が設けられている。そして、使用に際して、カバー部材２２を加圧プレート１６に被せ、ファスナー２３をボルト１７に巻き付け、日傘形のカバー部材２２で弾性パッド１２の周囲を取り囲み、弾性パッド１２を日射や塵埃から保護し、機械１の配置替えに際しては、ファスナー２３をボルト１７から取り外し、カバー部材２２を加圧部材１３から容易に撤去できるようになっている。   A cover member 22 is detachably provided on the pressure member 13 so as to cover the elastic pad 12. The cover member 22 is formed of a polymer material having weather resistance, flexibility, and elasticity such as silicon rubber into a fan-shaped sheet shape, and a fastener 23 is provided on the short side edge. In use, the cover member 22 is put on the pressure plate 16, the fastener 23 is wound around the bolt 17, the parasol-shaped cover member 22 surrounds the elastic pad 12, and the elastic pad 12 is protected from solar radiation and dust, When rearranging the machine 1, the fastener 23 is removed from the bolt 17, and the cover member 22 can be easily removed from the pressure member 13.

図４に示すカバー部材２５は、シリコンゴム等で一部が開放するスカート形に成形され、スナップ２６によって加圧プレート１６に取り外し可能に装着されている。図５に示すカバー部材２８は、耐候性ゴム材料で板状に成形され、ネジ２９で加圧プレート１６に下側から分解可能に組み付けられ、周縁に弾性パッド１２を取り囲む被覆部２８ａが一体形成されている。したがって、図１〜図５に示した実施形態の免震構造１１によれば、カバー部材２２，２５，２８により弾性パッド１２の周りを取り囲み、日射、切粉、塵埃等から弾性パッド１２を保護できるとともに、機械１の配置替えに際して、カバー部材２２，２５，２８を加圧部材１３に対して容易に脱着できるという利点がある。   The cover member 25 shown in FIG. 4 is formed into a skirt shape partially opened with silicon rubber or the like, and is detachably attached to the pressure plate 16 by a snap 26. The cover member 28 shown in FIG. 5 is formed into a plate shape using a weather-resistant rubber material, and is assembled to the pressure plate 16 with screws 29 so that it can be disassembled from below, and a covering portion 28a surrounding the elastic pad 12 is integrally formed on the periphery. Has been. Therefore, according to the seismic isolation structure 11 of the embodiment shown in FIGS. 1 to 5, the elastic pad 12 is surrounded by the cover members 22, 25, and 28 to protect the elastic pad 12 from solar radiation, chips, dust, and the like. In addition, there is an advantage that the cover members 22, 25, and 28 can be easily detached from the pressurizing member 13 when the machine 1 is rearranged.

図６に示す免震構造３１では、加圧プレート３２が合成樹脂材料で形成され、カバー部材に金属板３３が使用され、金属板３３にボルト１７が立設されている。加圧プレート３２の下面には規制壁３４が突設され、規制壁３４の外側にコーキング材２０によって防塵／防水壁２１が形成されている。金属板３３は、加圧プレート３２を介して弾性パッド１２に被せられ、弾性パッド１２を日射や高温から保護できるようになっている。   In the seismic isolation structure 31 shown in FIG. 6, the pressure plate 32 is formed of a synthetic resin material, the metal plate 33 is used as a cover member, and the bolts 17 are erected on the metal plate 33. A restriction wall 34 protrudes from the lower surface of the pressure plate 32, and a dustproof / waterproof wall 21 is formed by the caulking material 20 outside the restriction wall 34. The metal plate 33 is placed on the elastic pad 12 via the pressure plate 32 so that the elastic pad 12 can be protected from solar radiation and high temperature.

なお、本発明は、上記実施形態に限定されるものではなく、例えば、図７に示すように、上述した構成の免震構造１１をタンク４の脚部５と床面Ｆとの間に設置したり、カバー部材２２の形状を適宜に変更したりするなど、発明の趣旨を逸脱しない範囲で、各部の構成や形状を任意に変更して実施することも可能である。   In addition, this invention is not limited to the said embodiment, For example, as shown in FIG. 7, the seismic isolation structure 11 of the structure mentioned above is installed between the leg part 5 of the tank 4, and the floor surface F. As shown in FIG. For example, the configuration and shape of each part can be arbitrarily changed without departing from the spirit of the invention, such as appropriately changing the shape of the cover member 22.

１，４ 設備機器
２，５ 脚部
１１ 免震構造
１２ 弾性パッド
１３ 加圧部材
１６ 加圧プレート
１７ ボルト
２２ 日傘形のカバー部材
２５ スカート形のカバー部材
２８ 板状のカバー部材
３２ 加圧プレート
３３ 金属板
Ｆ 床面 DESCRIPTION OF SYMBOLS 1,4 Equipment 2,5 Leg 11 Seismic isolation structure 12 Elastic pad 13 Pressure member 16 Pressure plate 17 Bolt 22 Parasol-shaped cover member 25 Skirt-shaped cover member 28 Plate-shaped cover member 32 Pressure plate 33 Metal plate F Floor

Claims (6)

床面の上に弾性パッドを設置し、弾性パッドの上に加圧部材を介して設備機器を支持し、設備機器の荷重で弾性パッドを加圧した状態で、床面から設備機器への震動伝播を抑える免震構造において、
前記弾性パッドに被さるカバー部材を前記加圧部材に対して取り外し可能に設けたことを特徴とする免震構造。 An elastic pad is installed on the floor, the equipment is supported on the elastic pad via a pressure member, and the elastic pad is pressurized with the load of the equipment, and the vibration from the floor to the equipment In the seismic isolation structure that suppresses propagation,
A seismic isolation structure, wherein a cover member covering the elastic pad is detachable from the pressure member. 前記カバー部材が耐候性および柔軟性を備えた高分子材料で形成されている請求項１記載の免震構造。   The seismic isolation structure according to claim 1, wherein the cover member is formed of a polymer material having weather resistance and flexibility. 前記加圧部材が弾性パッドに接合する加圧プレートと、設備機器の荷重を受けるボルトとを含み、ボルトが設備機器に高さ調節可能に取り付けられる請求項１又は２記載の免震構造。   The seismic isolation structure according to claim 1, wherein the pressure member includes a pressure plate that joins the elastic pad and a bolt that receives a load of the equipment, and the bolt is attached to the equipment so that the height can be adjusted. 前記カバー部材が加圧部材の前記ボルトに装着される請求項３記載の免震構造。   The seismic isolation structure according to claim 3, wherein the cover member is attached to the bolt of the pressure member. 前記カバー部材が加圧部材の前記加圧プレートに装着される請求項３記載の免震構造。   The seismic isolation structure according to claim 3, wherein the cover member is attached to the pressure plate of the pressure member. 前記加圧プレートが合成樹脂材料で形成され、前記カバー部材が加圧プレートを介して弾性パッドに被さる金属板を含む請求項３記載の免震構造。   The seismic isolation structure according to claim 3, wherein the pressure plate is formed of a synthetic resin material, and the cover member includes a metal plate that covers the elastic pad via the pressure plate.
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Cited By (5)

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Publication number Priority date Publication date Assignee Title
JP2018071555A (en) * 2016-10-24 2018-05-10 株式会社安震 Vibration control pad
JP2019148329A (en) * 2018-02-28 2019-09-05 イイダ産業株式会社 Cover member, leg member, and leg part structure
KR102498283B1 (en) * 2022-07-22 2023-02-09 주식회사 참솔테크 Base isolation device having ball type motion parts
KR102501296B1 (en) * 2022-07-22 2023-02-17 주식회사 참솔테크 Base isolation device having elastic band
KR102690402B1 (en) * 2023-10-20 2024-07-31 주식회사 큐원 Earthquake-proof apparatus with viscoelastic

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Publication number Priority date Publication date Assignee Title
JP2018071555A (en) * 2016-10-24 2018-05-10 株式会社安震 Vibration control pad
JP2019148329A (en) * 2018-02-28 2019-09-05 イイダ産業株式会社 Cover member, leg member, and leg part structure
JP7020648B2 (en) 2018-02-28 2022-02-16 イイダ産業株式会社 Leg structure
KR102498283B1 (en) * 2022-07-22 2023-02-09 주식회사 참솔테크 Base isolation device having ball type motion parts
KR102501296B1 (en) * 2022-07-22 2023-02-17 주식회사 참솔테크 Base isolation device having elastic band
WO2024019252A1 (en) * 2022-07-22 2024-01-25 주식회사 참솔테크 Seismic isolation device provided with ball-type motion parts
KR102690402B1 (en) * 2023-10-20 2024-07-31 주식회사 큐원 Earthquake-proof apparatus with viscoelastic

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