JPH02108740A - Rigidity changing device for structure - Google Patents
Rigidity changing device for structureInfo
- Publication number
- JPH02108740A JPH02108740A JP26197888A JP26197888A JPH02108740A JP H02108740 A JPH02108740 A JP H02108740A JP 26197888 A JP26197888 A JP 26197888A JP 26197888 A JP26197888 A JP 26197888A JP H02108740 A JPH02108740 A JP H02108740A
- Authority
- JP
- Japan
- Prior art keywords
- brace
- frame
- rigidity
- gripping block
- actuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008602 contraction Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明はブレースの引張力作用時のフレームに対する
接続状態を切り替えることによりフレームの剛性を変え
、構造物を制置構造化する、構造物の剛性可変装置に関
するものである。[Detailed Description of the Invention] [Industrial Application Field] This invention changes the rigidity of the frame by switching the connection state of the brace to the frame when a tensile force is applied, and transforms the structure into a constrained structure. This invention relates to a variable stiffness device.
構造物を制置構造化する方法として、出願人はエネルギ
ーの変換による振動の吸収方法とは別に、ブレース等の
架構、すなわちフレームに対する接続状態を制御するこ
とによりフレームの剛性、そして建物自身の固有振動数
を変えて各種の振動数で入力する地震動に対処する方法
をこれまで種々提案している。In addition to absorbing vibrations through energy conversion, the applicant has proposed a method for constructing a structure with a restraint structure, in which the rigidity of the frame and the inherent properties of the building itself are improved by controlling the connection state of braces and other structures to the frame. Various methods have been proposed so far to deal with seismic motion that inputs at various frequencies by changing the vibration frequency.
この発明はこうした一連の剛性可変の一手段としてなさ
れたもので、フレームの剛性を変化させる装置を新たに
提案しようとするものである。This invention has been made as a means of changing the rigidity of a series of such systems, and aims to propose a new device for changing the rigidity of the frame.
本発明ではフレーム内に一方が切り離された状態に架設
されるブレースの、引張力作用時のフレームに対する接
続状態を、ブレース端部を突出時に把持し、その引張方
向の動きを拘束する把持ブロックの伸縮によって切り替
え、フレームの剛性を可変とし、構造物の固有周期を変
化させる。In the present invention, the connection state of the brace installed in the frame with one side separated from the frame when a tensile force is applied is controlled by a gripping block that grips the end of the brace when it is projected and restrains its movement in the tensile direction. Switching through expansion and contraction changes the rigidity of the frame and changes the natural period of the structure.
ブレースは一方がフレームに固定され、他方が切り離さ
れた状態に架設され、この切り離される側のブレース端
部に把持ブロックがこれを両側から挟み込み可能に取り
付けられる。The brace is installed with one end fixed to the frame and the other separated, and a grip block is attached to the end of the brace on the side to be separated so that it can be held from both sides.
ブレース端部は基部側から他端側へかけてテーパ状に形
成され、このテーパ面を把持可能に把持ブロックが取り
付けられ、ブレースは把持ブロックの突出時に引張方向
にのみ拘束され、フレーｌ、の剛性を一ヒげる。The end of the brace is tapered from the base side to the other end, and a gripping block is attached to the tapered surface so as to be able to grip it, and the brace is restrained only in the tensile direction when the gripping block is protruded. Increases rigidity.
把持ブロックの収縮時はブレースの拘束が解除され、引
張、圧縮のいずれにも効かず、フレムの剛性は低下する
。When the grip block is contracted, the restraint of the brace is released, and neither tension nor compression is effective, and the rigidity of the frame decreases.
把持ブロックの伸縮はこれに接続するアクチュエータに
より操作される。The expansion and contraction of the gripping block is operated by an actuator connected thereto.
〔実 施 例〕 以下本発明を一実施例を示す図面に基づいて説明する。〔Example〕 The present invention will be explained below based on the drawings showing one embodiment.
この発明の剛性可変装置ＡはブレースＢの端部を把持す
る把持ブロック１と把持ブロック１の伸縮を操作するア
クチュエータ２とからなり、第１図に示すようにフレー
ムＦ内に一方が切り離された状態に架設されるブレース
Ｂの端部に設置され、ブレースＢの引張力に対する抵抗
状態を制御することによりフレームＦの剛性を調整する
ものである。The rigidity variable device A of this invention consists of a grip block 1 that grips the end of a brace B and an actuator 2 that operates the expansion and contraction of the grip block 1, one of which is separated in a frame F as shown in FIG. It is installed at the end of the brace B that is installed in the state, and adjusts the rigidity of the frame F by controlling the state of resistance of the brace B to the tensile force.
図示するようにブレースＢの一方はフレームＦに固定さ
れ、他方がフレームＦに回転自在に取り付く剛性可変装
置Ａを介してフレームＦから切り離されており、この切
り離される側のブレースＢの端部はその部分の詳細を示
す第１図−Ｈのように把持ブロック１．ｌの把持による
拘束効果のため基端側から他端側へかけてテパ状の形状
をしている。As shown in the figure, one side of the brace B is fixed to the frame F, and the other side is separated from the frame F via a rigidity variable device A that is rotatably attached to the frame F, and the end of the brace B on the side to be separated is As shown in FIG. 1-H showing the details of the gripping block 1. It has a tapered shape from the proximal end side to the other end side due to the restraint effect caused by gripping the l.
一方の把持ブロック１．ｌはブレースＢ端部の両テーパ
面す、 ｂ側に位置し、その把持面にはブレースＢの
テーパ面す、 ｂと等しい傾斜が付けられる。One gripping block 1. 1 is located on the side of both tapered surfaces 1, b of the end of brace B, and its gripping surface has an inclination equal to that of the tapered surfaces 1, b of brace B.
ブレースＢ端部の先端とアクチュエータ２間には第１図
−■、第２図に示すように常に圧縮方向にはブレースＢ
が効かないよう軸方向にクリアランスＣが設けられ、更
にブレースＢ先端の外周には軸方向に円滑な相対移動が
可能なようにベアリング３が配列されている。Between the tip of the end of brace B and the actuator 2, as shown in Figure 1-■ and Figure 2, brace B is always in the compression direction.
A clearance C is provided in the axial direction to prevent this from occurring, and bearings 3 are arranged around the outer periphery of the tip of the brace B to allow smooth relative movement in the axial direction.
把持ブロック１，１の出入りを操作するアクチュエータ
２は例えば油圧シリンダ、空気圧シリンダ、もしくはモ
ータとボールねじとの組み合わせにより把持ブロックｌ
、 ｌに連結されるロッドｌａ、ｌａを往復動させる
機構、またはステッピングモータとカム、やクランクと
の組み合わせにより同様にロッドｌａ、Ｉａを伸縮させ
る機構等であり、このアクチュエータ２によるロッドｌ
ａ、Ｉａ、すなわち把持ブロックＩ。The actuator 2 that operates the gripping blocks 1, 1 to move in and out is, for example, a hydraulic cylinder, a pneumatic cylinder, or a combination of a motor and a ball screw.
, a mechanism that reciprocates the rods la, la connected to the actuator 2, or a mechanism that similarly expands and contracts the rods la, Ia by a combination of a stepping motor, a cam, or a crank.
a, Ia, i.e. grasping block I.
１の伸縮操作は地震感知装置で感知された地震動の卓越
周期に基づいて構造物の最適剛性を選択するコンピュー
タの指令により制御される。The expansion and contraction operations of 1 are controlled by computer commands that select the optimal stiffness of the structure based on the dominant period of seismic motion detected by the seismic sensing device.
第３図−１，ＩＩは把持ブロック１．１を突出させ、両
側よりブレースＢの端部を把持し、ブレースＢの引張側
への移動を拘束した場合で、フレームＦ、そして構造物
の剛性を上げ、固有周期を短くした場合である。このと
きブレースＢは圧縮側へは拘束されず、前記したクリア
ランスＣによって圧縮方向には移動が自由であり、圧縮
力を負担しない構造となっている。Figure 3-1, II shows the case where the gripping block 1.1 is protruded, grips the end of the brace B from both sides, and restrains the movement of the brace B toward the tension side, and the rigidity of the frame F and the structure is This is the case when the natural period is shortened. At this time, the brace B is not restrained toward the compression side, but is free to move in the compression direction due to the above-mentioned clearance C, and has a structure that does not bear any compression force.
■は把持ブロック１．ｌを収縮させてブレースＢの拘束
を解除し、ブレースＢを引張り、圧縮のいずれにも効か
せない場合で、フレームＦの剛性を下げ、構造物の固有
周期を長くした場合である。■ is gripping block 1. This is a case in which the restraint of brace B is released by contracting l, and brace B is not applied to either tension or compression, and the rigidity of frame F is lowered to lengthen the natural period of the structure.
第４図の実施例はブレースＢのテーパ面す。In the embodiment of FIG. 4, the brace B has a tapered surface.
ｂの傾斜をきつくし、把持ブロック１．１によるブレー
スＢ端部の把持に要する力を小さくした場合である。This is a case where the slope of b is made steeper and the force required for the gripping block 1.1 to grip the end of the brace B is reduced.
この発明は以上の通りであり、ブレース端部を把持する
把持ブロックのアクチュエータによる伸縮操作によって
フレームの剛性を可変設定できるため構造物の剛性、す
なわち固有周期を人力する地震動に応じて適当に調整す
ることができる。This invention is as described above, and since the rigidity of the frame can be variably set by the expansion and contraction operation of the gripping block that grips the end of the brace, the rigidity of the structure, that is, the natural period, can be adjusted appropriately in accordance with the human-powered seismic motion. be able to.
第１図−１，ＩＩは本発明の設置状況を示したそれぞれ
立面図、その一部拡大図、第２図は第１図−Ｈの詳細図
、第３図−鳳 ■は把持ブロックを突出させた状態を示
したそれぞれ側面図。
正面図、■は収縮させた状態を示した側面図、第４図は
他の実施例を示した側面図である。
Ａ・・剛性可変装置、１・・把持ブロック、１ａ・・ロ
ンド、２・・アクチュエータ、 ３・・ヘアリング、
Ｆ・・フレーム、Ｂ・・ブレース、ｂ・・テーパ面、Ｃ
・・クリアランス。
区
派Figures 1-1 and II are elevational views and partially enlarged views showing the installation status of the present invention, Figure 2 is a detailed view of Figure 1-H, and Figure 3-Otori ■ shows the gripping block. FIG. 4 is a side view showing each of the protruding states. A front view, ■ is a side view showing a contracted state, and FIG. 4 is a side view showing another embodiment. A...Rigidity variable device, 1...Gripping block, 1a...Rondo, 2...Actuator, 3...Hair ring,
F...Frame, B...Brace, b...Tapered surface, C
··clearance. Ward faction
Claims (1)
た状態に架設されるブレースの、切り離される側の端部
に設置され、ブレースの引張力に対する抵抗力を制御し
てフレームの剛性を変える装置であり、基部側から他端
側へかけてテーパ状に形成されたブレース端部のテーパ
面を両側から把持する把持ブロックと、把持ブロックに
接続され、把持ブロックの伸縮を操作するアクチュエー
タとからなり、ブレースは把持ブロックの突出時に引張
力に対して拘束され、収縮時に拘束が解除され、その引
張に対する効きがアクチュエータによる把持ブロックの
伸縮により制御されていることを特徴とする構造物の剛
性可変装置。(1) It is installed at the end of a brace that is installed with one side fixed in the frame and the other side separated, and controls the resistance force against the tensile force of the brace to change the rigidity of the frame. The device includes a gripping block that grips the tapered surface of the end of the brace, which is tapered from the base side to the other end, from both sides, and an actuator that is connected to the gripping block and operates the expansion and contraction of the gripping block. Variable rigidity of a structure characterized in that the brace is restrained against a tensile force when the gripping block is extended, the restraint is released when the gripping block is contracted, and the effect against the tension is controlled by the expansion and contraction of the gripping block by an actuator. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26197888A JPH0686745B2 (en) | 1988-10-18 | 1988-10-18 | Structure rigidity variable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26197888A JPH0686745B2 (en) | 1988-10-18 | 1988-10-18 | Structure rigidity variable device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02108740A true JPH02108740A (en) | 1990-04-20 |
| JPH0686745B2 JPH0686745B2 (en) | 1994-11-02 |
Family
ID=17369303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26197888A Expired - Lifetime JPH0686745B2 (en) | 1988-10-18 | 1988-10-18 | Structure rigidity variable device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0686745B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375382A (en) * | 1992-01-21 | 1994-12-27 | Weidlinger; Paul | Lateral force resisting structures and connections therefor |
| US6837010B2 (en) * | 2002-12-05 | 2005-01-04 | Star Seismic, Llc | Pin and collar connection apparatus for use with seismic braces, seismic braces including the pin and collar connection, and methods |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3903596B2 (en) * | 1998-06-08 | 2007-04-11 | 鹿島建設株式会社 | Vibration energy conversion and supply type bridge damping structure |
-
1988
- 1988-10-18 JP JP26197888A patent/JPH0686745B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5375382A (en) * | 1992-01-21 | 1994-12-27 | Weidlinger; Paul | Lateral force resisting structures and connections therefor |
| US6837010B2 (en) * | 2002-12-05 | 2005-01-04 | Star Seismic, Llc | Pin and collar connection apparatus for use with seismic braces, seismic braces including the pin and collar connection, and methods |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0686745B2 (en) | 1994-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3691434B2 (en) | Landing shock absorber for legged mobile robot | |
| JP3672867B2 (en) | Landing shock absorber for legged mobile robot | |
| US4776852A (en) | Artificial musculoskeletal mechanism | |
| JP3652643B2 (en) | Landing shock absorber for legged mobile robot | |
| JPH07119791A (en) | Mass spring rigging and control method | |
| JPH02108740A (en) | Rigidity changing device for structure | |
| JP2011041995A (en) | Robot, bipedal walking robots and method for controlling the same | |
| JP6603113B2 (en) | Vibration suppression device for structures | |
| CN106564068A (en) | Climbing robot developed on basis of noose | |
| JP2003278827A (en) | Damper for tower like structure | |
| CN110359693A (en) | A kind of boat scaffold structure | |
| JPH07113436A (en) | Actuator for vibration control and vibration control device using the same | |
| JPH11351204A (en) | Flow rate control device of hydraulic actuator | |
| JPH0639802B2 (en) | Variable stiffness frame | |
| LUIS | Experimental results of active control on a prototype intelligent structure | |
| JPH0266239A (en) | Rigidity variation device of structure | |
| JPH0639806B2 (en) | Structure rigidity variable device | |
| Vermeulen et al. | A control strategy for a robot with one articulated leg hopping on irregular terrain | |
| JP2010255261A (en) | Active damping method and device | |
| JP2003254380A (en) | Structure vibration control method and vibration controlled structure | |
| JP2957292B2 (en) | Active vibration control device for structures | |
| JPH08218679A (en) | Active type vibration controlled structure | |
| JPH0639801B2 (en) | Structure rigidity variable device | |
| JPH02112535A (en) | Device for variable rigidity and variably rigid structure | |
| JPH0746651Y2 (en) | Roof beam structure |