JP5183879B2 - Vibration control structure - Google Patents

Vibration control structure Download PDF

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JP5183879B2
JP5183879B2 JP2006061407A JP2006061407A JP5183879B2 JP 5183879 B2 JP5183879 B2 JP 5183879B2 JP 2006061407 A JP2006061407 A JP 2006061407A JP 2006061407 A JP2006061407 A JP 2006061407A JP 5183879 B2 JP5183879 B2 JP 5183879B2
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damping
connection
damping mechanism
column
universal joint
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JP2007239267A (en
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康宏 大竹
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Daiwa House Industry Co Ltd
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Daiwa House Industry Co Ltd
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Description

本発明は、木造軸組構造の建物などに用いられる制振構造及び制振継ぎ手に関する。   The present invention relates to a vibration damping structure and a vibration damping joint used for a wooden frame structure building or the like.

例えば木造軸組構造の建物に用いられる制振構造として、従来より種々のものが提供されているが、減衰機構部の納まりをスッキリとしたものにすることができ、それでいて、地震等による建物の振動動作を有効的に減衰することができるものは、未だ提供されていない。
特開２００１−２９５５０６号公報 For example, various types of vibration control structures have been provided in the past for wooden framed buildings. However, the damping mechanism can be made clearer, and the structure of buildings due to earthquakes, etc. can be reduced. Nothing has yet been provided that can effectively dampen vibrational motion.
JP 2001-295506 A

本発明は、例えば上記のような問題点に鑑み、減衰機構部の納まりをスッキリとしたものにすることができ、それでいて、振動動作を有効的に減衰することができる制振構造等を提供することを課題とする。   In view of the above-described problems, for example, the present invention provides a damping structure and the like that can make the accommodation of the damping mechanism clear and can effectively attenuate the vibration operation. This is the issue.

上記の課題は、軸材の端部と連結の相手側とがそれらの間で自在継ぎ手により連結されると共に、
該連結の中心位置から側方に偏心して減衰機構部が設けられ、該減衰機構部が偏心位置において軸材の端部と連結の相手側との相対的接近・離反動作を減衰するようになされており、かつ、
前記減衰機構部が、自在継ぎ手の存在によって軸材の端部と連結の相手側との間に形成される空間部を利用して備えられていることを特徴とする制振構造によって解決される（第１発明）。 As for said subject, while the end part of a shaft material and the other party of connection are connected between them by a universal joint,
A damping mechanism is provided that is eccentric to the side from the central position of the connection, and the damping mechanism attenuates the relative approaching / separating operation between the end of the shaft member and the other side of the connection at the eccentric position. And
The damping mechanism is provided by utilizing a space formed between the end of the shaft member and the other end of the connection due to the presence of the universal joint. (First invention).

この制振構造では、軸材の端部と連結の相手側とが自在継ぎ手で連結されているので、振動により軸材の端部と連結の相手側とがそれらのなす角度を変化させることができ、そのため、連結中心位置から側方に偏心した位置において軸材の端部と連結の相手側とが相対的な接近・離反動作を行い、減衰機構部がその相対的接近・離反動作を減衰して、振動動作を有効的に減衰することができる。   In this vibration damping structure, the end of the shaft and the other side of the connection are connected by a universal joint, so that the angle between the end of the shaft and the other side of the connection can be changed by vibration. For this reason, the end of the shaft member and the other side of the connection perform relative approaching / separating operations at a position eccentric to the side from the connection center position, and the damping mechanism attenuates the relative approaching / separating operations. Thus, the vibration operation can be effectively damped.

しかも、減衰機構部は、自在継ぎ手の存在によって軸材の端部と連結の相手側との間に形成される空間部を利用して備えられているので、減衰機構部の納まりをスッキリとしたものにすることができる。   In addition, since the damping mechanism is provided using a space formed between the end of the shaft member and the other side of the connection due to the presence of the universal joint, the damping mechanism is clearly accommodated. Can be a thing.

第１発明において、軸材が軸組構造の管柱であり、該管柱の端部が柱頭部及び／又は柱脚部であるとよい（第２発明）。この場合は、管柱が軸組構造において階単位に設けられて多数本備えられるものであることから、管柱の端部と、梁や土台などの連結の相手側との多数の連結部を利用して、軸組構造に多数の減衰機構部を組み込むことができ、地震等による軸組構造の水平振動を有効的、効果的に減衰することができる。しかも、減衰機構部は、自在継ぎ手の存在によって管柱の端部と連結の相手側との間に形成される空間部を利用して備えられるので、減衰機構部を目立たせないスッキリとした制振軸組構造を実現することができる。   In the first invention, the shaft member is a tube column having a shaft structure, and the end of the tube column is preferably a column head and / or a column base (second invention). In this case, since the pipe columns are provided in units of floors in the frame structure, a large number of connecting portions between the ends of the pipe columns and the other side of the connection such as beams and foundations are provided. By utilizing this, a large number of damping mechanism portions can be incorporated into the shaft structure, and horizontal vibration of the shaft structure due to an earthquake or the like can be effectively and effectively damped. In addition, since the damping mechanism is provided by utilizing a space formed between the end of the tube column and the other side of the connection due to the presence of the universal joint, the damping mechanism is not clearly noticeable. A vibrating shaft structure can be realized.

また、第１、第２発明において、自在継ぎ手が、第１取付け部と第２取付け部とをそれらの間で連結し、減衰機構部がこれら第１、第２取付け部間に備えられて、これら自在継ぎ手、第１取付け部、第２取付け部及び減衰機構部で制振継ぎ手を構成しており、該制振継ぎ手の第１取付け部が軸材の端部に取り付けられ、第２取付け部が連結の相手側に取り付けられて、軸材の端部と連結の相手側とを連結しているとよい（第３発明）。この場合は、制振継ぎ手を用いて軸材の端部と連結の相手側とを連結するだけで制振構造が形成され、施工を容易にすることができる。   In the first and second inventions, the universal joint connects the first attachment portion and the second attachment portion between them, and the damping mechanism portion is provided between the first and second attachment portions. These universal joints, the first attachment portion, the second attachment portion, and the damping mechanism portion constitute a vibration damping joint, and the first attachment portion of the vibration damping joint is attached to the end portion of the shaft member, and the second attachment portion. Is attached to the other side of the connection, and the end of the shaft member and the other side of the connection may be connected (third invention). In this case, the vibration damping structure is formed simply by connecting the end of the shaft member and the connecting counterpart using the vibration damping joint, and the construction can be facilitated.

また、本発明は、第１取付け部と、
第２取付け部と、
これら第１，第２取付け部をそれらの間で連結する自在継ぎ手と、
これら第１，第２取付け部間に、自在継ぎ手による連結の中心位置から側方に偏心して備えられ、該偏心位置において第１取付け部と第２取付け部の相対的接近・離反動作を減衰する減衰機構部と
が備えられていることを特徴とする制振継ぎ手を含む（第４発明）。 The present invention also includes a first attachment portion;
A second mounting portion;
A universal joint connecting the first and second mounting portions between them;
Between the first and second mounting portions, the first joint portion and the second mounting portion are provided to be eccentric from the center position of the connection by the universal joint and laterally deviated. And a damping joint characterized by comprising a damping mechanism (fourth invention).

この制振継ぎ手では、該継ぎ手を用いて部材同士を連結するだけで有効的な減衰作用を行う制振構造を形成することができ、施工も容易で、減衰機構部を目立たせないスッキリとした制振構造を実現することができる。   In this vibration damping joint, it is possible to form a vibration damping structure that performs effective damping simply by connecting the members using the joint, and the construction is easy and the damping mechanism is not noticeable. A damping structure can be realized.

本発明は、以上のとおりのものであるから、減衰機構部の納まりをスッキリとしたものにすることができ、それでいて、振動動作を有効的に減衰することができる。   Since the present invention is as described above, the accommodation of the damping mechanism can be made clear, and the vibration operation can be effectively damped.

次に、本発明の実施最良形態を図面に基づいて説明する。   Next, the best mode for carrying out the present invention will be described with reference to the drawings.

図１〜図３に示す第１実施形態の制振構造は、木造軸組構造の建物に用いた場合のもので、図１及び図２において、１は軸材としての管柱、２は連結の相手側としての階上の梁であり、管柱１の柱頭部と梁２とが制振継ぎ手３によって連結されて、制振構造を構成している。   The vibration damping structure of the first embodiment shown in FIGS. 1 to 3 is for a wooden frame structure building. In FIGS. 1 and 2, 1 is a pipe column as a shaft, and 2 is a connection. The beam head on the floor as the other side of the tube and the column head of the tube column 1 and the beam 2 are connected by a vibration damping joint 3 to constitute a vibration damping structure.

即ち、制振継ぎ手３は、管柱１の柱頭天面部に取り付けられる第１取付け部４と、梁２の下面に取り付けられる第２取付け部５と、自在継ぎ手６及び減衰機構部７…を備える。   That is, the vibration damping joint 3 includes a first attachment portion 4 attached to the top portion of the top of the tube pillar 1, a second attachment portion 5 attached to the lower surface of the beam 2, a universal joint 6, a damping mechanism portion 7. .

第１，第２の取付け部４，５は、水平なベースプレート部４ａ，５ａと垂直な差し込みプレート部４ｂ，５ｂとを備えたＴ形をしており、差し込みプレート部４ｂ，５ｂを、管柱１の柱頭天面部及び梁２の下面部に形成されたスリット状の差し込み穴１ａ，２ａに差し込み、側方からドリフトピン８…を打ち込むことで、管柱１の柱頭天面部、梁２の下面部に取り付けることができるようになされている。   The first and second mounting portions 4 and 5 have a T-shape including horizontal base plate portions 4a and 5a and vertical insertion plate portions 4b and 5b, and the insertion plate portions 4b and 5b are connected to a pipe column. 1 is inserted into slit-like insertion holes 1a, 2a formed on the top surface of the stigma and the bottom surface of the beam 2, and the drift pins 8 are driven from the side, so that the top surface of the stigma of the tube column 1 and the bottom surface of the beam 2 It can be attached to the part.

そして、自在継ぎ手６は、第１取付け部４のベースプレート部４ａと、第２取付け部５のベースプレート部５ａとを、それらの間の平面内中心位置で連結しており、減衰機構部７は、４つ備えられ、ベースプレート部４ａ，５ａ間において、自在継ぎ手６による連結の中心位置から側方に偏心した位置に周設され、ベースプレート部４ａ，５ａ同士が自在継ぎ手６による連結の中心位置から側方に偏心した位置で接近・離反の動作を行うと、各減衰機構部７…が、その動作を減衰するようになされている。   And the universal joint 6 has connected the base plate part 4a of the 1st attachment part 4, and the base plate part 5a of the 2nd attachment part 5 in the plane center position between them, The damping mechanism part 7 is the following. Four base plate portions 4a and 5a are provided around the base plate portions 4a and 5a so as to be deviated laterally from the central position of the connection by the universal joint 6, and the base plate portions 4a and 5a are located on the side from the central position of the connection by the universal joint 6. When an approaching / separating operation is performed at a position deviated toward each other, each of the damping mechanisms 7... Attenuates the operation.

各減衰機構部７は、第１取付け部４のベースプレート部４ａの上面部に固定された対の立ち上がりプレート部７ａ，７ａと、第２取付け部５のベースプレート部５ａの下面部に固定され、立ち上がりプレート部７ａ，７ａ間に平行状態に突出した垂れ下がりプレート部７ｂと、これらプレート部７ａ，７ｂ，７ａ間に介設された粘弾性体７ｃ，７ｃとで構成されており、ベースプレート部４ａ，５ａが自在継ぎ手６による連結の中心位置から側方に偏心した位置で接近・離反の動作を行うと、各粘弾性体７ｃがせん断変形をして減衰作用を行うようになされている。   Each damping mechanism portion 7 is fixed to the lower surface portion of the base plate portion 5a of the second mounting portion 5 and the pair of rising plate portions 7a and 7a fixed to the upper surface portion of the base plate portion 4a of the first mounting portion 4 and rises. The plate portion 7a is composed of a hanging plate portion 7b protruding in parallel between the plate portions 7a and 7a and viscoelastic bodies 7c and 7c interposed between the plate portions 7a, 7b and 7a. However, when an approaching / separating operation is performed at a position deviated laterally from the center position of the connection by the universal joint 6, each viscoelastic body 7c undergoes a shear deformation to perform a damping action.

なお、自在継ぎ手６は、ベースプレート部４ａ，５ａ同士を連結の中心位置から側方に偏心した位置で接近・離反の動作を行わせることができるような継ぎ手であればよく、一軸回りでの回転を許容するものや、二軸回りでの回転を許容するものなどであってよいし、また、管柱１と梁２との間で圧縮と引張りの両方に耐えるものであってもよいし、圧縮と引張りのうちの主として圧縮に耐えるものであってもよい。   The universal joint 6 may be any joint that allows the base plate portions 4a and 5a to move toward and away from each other at a position that is deviated laterally from the center position of the connection. May be one that allows rotation around two axes, or may withstand both compression and tension between the tube column 1 and the beam 2, Of the compression and tension, it may be resistant to compression.

施工は、上記の制振継ぎ手３を用い、図２（イ）に示すように、その差し込みプレート部４ｂ，５ｂを、管柱１の柱頭天面部及び梁２の下面部に形成されたスリット状の差し込み穴１ａ，２ａに差し込み、図２（ロ）に示すように、側方からドリフトピン８…を打ち込めば、管柱１の柱頭部と梁２とが自在継ぎ手６で連結され、同時に、管柱１の柱頭天面部と梁２との間に減衰機構部７…も組み込まれる。   As shown in FIG. 2 (a), the insertion plate portions 4b and 5b are slit-like formed on the top surface of the column head 1 and the bottom surface of the beam 2 as shown in FIG. 2a, as shown in FIG. 2 (b), if the drift pins 8 are driven from the side, the column head of the tube column 1 and the beam 2 are connected by the universal joint 6, Damping mechanisms 7 are also incorporated between the top of the column 1 and the beam 2.

なお、図示しないが、上記の管柱１の柱脚部と、階下の床梁あるいは土台については、同様の制振継ぎ手３で連結されているとよいが、その点は任意に決められてよい。また、上記のような制振構造は、軸組構造において、すべての管柱に採用されていてもよいし、一部の管柱に採用されていてもよい。   Although not shown in the drawing, the column base portion of the pipe column 1 and the downstairs floor beam or base may be connected by the same vibration damping joint 3, but this point may be arbitrarily determined. . In addition, the vibration damping structure as described above may be adopted for all the pipe pillars or a part of the pipe pillars in the shaft assembly structure.

上記制振構造では、管柱１の柱頭部と梁２とが自在継ぎ手６で連結されているので、図３に示すように、地震等による水平振動により管柱１の端部と梁２とがそれらのなす角度を自然に変化させ、それにより、自在継ぎ手６による連結中心位置から側方に偏心した位置において管柱の端部と梁、即ち、第１，第２取付け部４，５のベースプレート部４ａ，５ａ同士が相対的な接近・離反動作を行い、対応する偏心位置に備えられている減衰機構部７…がその相対的接近・離反動作を減衰して、振動動作を有効的に減衰していくことができる。   In the above vibration damping structure, the column head of the tube column 1 and the beam 2 are connected by the universal joint 6, so that the end portion of the tube column 1 and the beam 2 are caused by horizontal vibration due to an earthquake or the like as shown in FIG. Naturally change the angle formed by them, so that the end of the column and the beam, that is, the first and second mounting portions 4, 5 of the first and second mounting portions 4, 5 are deviated laterally from the connection center position by the universal joint 6. The base plate portions 4a and 5a perform relative approaching / separating operations, and the damping mechanism portions 7 provided at the corresponding eccentric positions attenuate the relative approaching / separating operations to effectively perform the vibration operation. It can decay.

特に、管柱１は、建物の軸組構造において階単位に設けられて多数本備えられるものであるから、管柱と、梁や土台などとの多数の連結部を利用して、軸組構造に多数の減衰機構部を組み込むことができ、地震等による軸組構造の水平振動を有効的、効果的に減衰することができる。   In particular, since the pipe column 1 is provided in units of floors in the frame structure of a building and is provided with a large number, the frame structure is constructed using a large number of connecting portions between the pipe column and beams, foundations, and the like. A large number of damping mechanism portions can be incorporated into the shaft, and the horizontal vibration of the frame structure caused by an earthquake or the like can be effectively and effectively damped.

しかも、減衰機構部７…は、自在継ぎ手６の存在によって管柱１の柱頭部と梁２との間、即ち第１，第２取付け部４，５のベースプレート部４ａ，５ａ間に形成される空間部を利用して備えられているので、減衰機構部７…の納まりを、管柱１と梁２との連結部や、木造軸組構造のなかで、目立たないスッキリとしたものにすることができる。   Moreover, the damping mechanism portion 7 is formed between the column head portion of the tube column 1 and the beam 2 due to the presence of the universal joint 6, that is, between the base plate portions 4a and 5a of the first and second mounting portions 4 and 5. Since it is provided using a space, the damping mechanism 7 should be made inconspicuous and clear in the connection between the tube column 1 and the beam 2 and in the wooden frame structure. Can do.

そして、上記のように、管柱１と梁２とを制振継ぎ手３で連結するだけで制振構造を形成することができ、施工を容易にすることができる。   And as mentioned above, a damping structure can be formed only by connecting the pipe column 1 and the beam 2 with the damping joint 3, and construction can be facilitated.

図４（イ）に示す第２実施形態は、自在継ぎ手６回りにおける減衰機構部７…の位置を変更したものであり、図４（ロ）（ハ）に示す第３実施形態では、複数備えられる減衰機構部７…のそれぞれが、第１取付け部４の側から立ち上げられた筒部７ｄと、第２取付け部５の側から筒部７ｄ内に突出するように垂れ下げられたロッド７ｅと、ロッド７ｅの外周部と筒部７ｄの内周部との間に介設された筒状の粘弾性体７ｆとからなっている。その他は、第１実施形態と同様であり、同様の作用効果が奏される。   The second embodiment shown in FIG. 4 (a) is obtained by changing the position of the damping mechanism portion 7 around the universal joint 6. In the third embodiment shown in FIGS. Each of the damping mechanism portions 7... That is formed is a cylinder portion 7d that is raised from the first attachment portion 4 side, and a rod 7e that is suspended from the second attachment portion 5 side so as to protrude into the cylinder portion 7d. And a cylindrical viscoelastic body 7f interposed between the outer peripheral portion of the rod 7e and the inner peripheral portion of the cylindrical portion 7d. Others are the same as those in the first embodiment, and the same effects are achieved.

以上に、本発明の実施形態を示したが、本発明はこれに限られるものではなく、発明思想を逸脱しない範囲で各種の変更が可能である。例えば、上記の各実施形態では、自在継ぎ手６と減衰機構部７…とが組み込まれた制振継ぎ手３で管柱１と梁２とが連結されている場合を示したが、このような制振継ぎ手によらずに、管柱１と梁２との間に自在継ぎ手６と減衰機構部７…とを個別に設けて制振構造を構成したものであってもよい。   Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in each of the above embodiments, the case where the pipe column 1 and the beam 2 are connected by the vibration damping joint 3 in which the universal joint 6 and the damping mechanism portion 7 are incorporated is shown. A vibration damping structure may be configured by independently providing the universal joint 6 and the damping mechanism portion 7 between the tube column 1 and the beam 2 without using the coupling.

また、上記の実施形態では、管柱１の柱頭部と階上の梁２との間に自在継ぎ手６と減衰機構部７…とを設けた場合を示したが、管柱１の階下の床梁あるいは土台との間にのみ自在継ぎ手６と減衰機構部７…とを設けた制振構造に構成されていてもよい。また、本発明の制振構造は、木造軸組構造の管柱に限らず、鉄骨軸組構造等の各種軸組構造の管柱に用いられてもよいし、軸組構造のその他の各種軸材や、軸組構造以外の各種軸材に対して用いることも可能である。   In the above embodiment, the case where the universal joint 6 and the damping mechanism portion 7 are provided between the column head of the tube column 1 and the beam 2 on the floor is shown. You may be comprised by the damping structure which provided the universal joint 6 and the damping mechanism part 7 ... only between the beam or the foundation. In addition, the vibration damping structure of the present invention is not limited to a wooden column structure tube column, and may be used for a tube column of various shaft structures such as a steel frame structure, or other various shafts of a shaft structure. It is also possible to use it for various shaft materials other than materials and shaft structures.

また、本発明では、自在継ぎ手の具体的構造に制限はないし、自在継ぎ手による連結中心部から側方に偏心した位置に備えられる減衰機構部の数に制限はなく、例えば一つであってもよいし、また、減衰機構部の具体的形態についても制限はないし、粘弾性体を用いたもののほか、摩擦減衰方式などの各種減衰機構部が用いられてよい。   Further, in the present invention, there is no limit to the specific structure of the universal joint, and there is no limit to the number of damping mechanism portions provided at positions eccentric to the side from the connection center portion by the universal joint. Also, the specific form of the damping mechanism section is not limited, and various damping mechanism sections such as a friction damping system may be used in addition to those using a viscoelastic body.

第１実施形態の制振構造を示すもので、図（イ）は管柱の柱頭部と梁との連結部を拡大して示す正面図、図（ロ）は図（イ）のＩ−Ｉ線矢視断面図、図（ハ）は図（ロ）のＩＩ−ＩＩ線矢視一部断面図、図（ニ）は減衰機構部の拡大正面図である。The vibration damping structure of 1st Embodiment is shown, The figure (I) is a front view which expands and shows the connection part of the column head of a pipe column, and a beam, A figure (B) is II of figure (A). A sectional view taken along a line arrow, FIG. (C) is a partial sectional view taken along a line II-II in FIG. (B), and FIG. (D) is an enlarged front view of a damping mechanism. 図（イ）は管柱、制振継ぎ手及び梁を分離状態にして示す正面図、図（ロ）は管柱の柱頭部と梁との連結状態を示す正面図、図（ハ）は同側面図である。Fig. (A) is a front view showing the pipe column, damping joint and beam separated, Fig. (B) is a front view showing the connection between the column head of the column and the beam, and Fig. (C) is the same side. FIG. 図（イ）及び図（ロ）はそれぞれ制振作動状態を示す正面図、図（イ−１）、図（イ−２）、図（ロ−１）及び図（ロ−２）はそれぞれ制振作動状態における減衰機構部の作動状態を示す側面図である。Figures (a) and (b) are front views showing the vibration suppression operation state, respectively, and Figures (a-1), (b-2), (b-1), and (b-2) are respectively controlled. It is a side view which shows the operation state of the damping mechanism part in a vibration operation state. 図（イ）は第２実施形態の制振構造を示すもので、管柱の柱頭部と梁との連結部の断面平面図、図（ロ）は第３実施形態の制振構造を示すもので、管柱の柱頭部と梁との連結部の正面図、図（ハ）は図（ロ）のＩＩＩ−ＩＩＩ線矢視断面図である。Fig. (A) shows the vibration damping structure of the second embodiment, and is a cross-sectional plan view of the connecting portion between the column head of the column and the beam. Fig. (B) shows the vibration damping structure of the third embodiment. FIG. 3C is a front view of the connecting portion between the column head of the column and the beam, and FIG. 3C is a cross-sectional view taken along line III-III in FIG.

符号の説明Explanation of symbols

１…管柱（軸材）
２…梁（連結の相手側）
３…制振継ぎ手
４…第１取付け部
５…第２取付け部
６…自在継ぎ手
７…減衰機構部 1 ... Pipe column (shaft material)
2 ... Beam (the other side of the connection)
DESCRIPTION OF SYMBOLS 3 ... Damping joint 4 ... 1st attachment part 5 ... 2nd attachment part 6 ... Universal joint 7 ... Damping mechanism part

Claims (2)

軸材の端部と連結の相手側とがそれらの間で自在継ぎ手により連結されると共に、
該連結の中心位置から側方に偏心して減衰機構部が設けられ、該減衰機構部が偏心位置において軸材の端部と連結の相手側との相対的接近・離反動作を減衰するようになされており、かつ、
前記減衰機構部が、自在継ぎ手の存在によって軸材の端部と連結の相手側との間に形成される空間部を利用して備えられ、
前記自在継ぎ手は、第１取付け部と第２取付け部とをそれらの間で連結し、減衰機構部はこれら第１、第２取付け部間に備えられて、これら自在継ぎ手、第１取付け部、第２取付け部及び減衰機構部で制振継ぎ手を構成しており、該制振継ぎ手の第１取付け部が軸材の端部に取り付けられ、第２取付け部が連結の相手側に取り付けられて、軸材の端部と連結の相手側とを連結していることを特徴とする制振構造。 The end of the shaft and the other side of the connection are connected by a universal joint between them,
A damping mechanism is provided that is eccentric to the side from the central position of the connection, and the damping mechanism attenuates the relative approaching / separating operation between the end of the shaft member and the other side of the connection at the eccentric position. And
The damping mechanism is provided using a space formed between the end of the shaft member and the other side of the connection due to the presence of the universal joint;
The universal joint connects a first attachment portion and a second attachment portion between them, and a damping mechanism portion is provided between the first and second attachment portions, and the universal joint, the first attachment portion, The second attachment portion and the damping mechanism portion constitute a vibration damping joint, the first attachment portion of the vibration damping joint is attached to the end of the shaft member, and the second attachment portion is attached to the other side of the connection. A damping structure characterized in that the end of the shaft member is connected to the other side of the connection. 前記軸材が軸組構造の管柱であり、該管柱の端部が柱頭部及び／又は柱脚部である請求項１に記載の制振構造。 The vibration damping structure according to claim 1, wherein the shaft member is a tubular column having a shaft structure, and an end portion of the tubular column is a column head and / or a column base .
JP2006061407A 2006-03-07 2006-03-07 Vibration control structure Expired - Fee Related JP5183879B2 (en)

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