WO2003071052A1 - Vibration absorber, and vibration control structure using the same - Google Patents
Vibration absorber, and vibration control structure using the same Download PDFInfo
- Publication number
- WO2003071052A1 WO2003071052A1 PCT/JP2003/001328 JP0301328W WO03071052A1 WO 2003071052 A1 WO2003071052 A1 WO 2003071052A1 JP 0301328 W JP0301328 W JP 0301328W WO 03071052 A1 WO03071052 A1 WO 03071052A1
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- WO
- WIPO (PCT)
- Prior art keywords
- elongated body
- vibration absorber
- mounting plate
- fixed
- elongated
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/103—Devices with one or more members moving linearly to and fro in chambers, any throttling effect being immaterial, i.e. damping by viscous shear effect only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
- F16F9/303—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium the damper being of the telescopic type
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0235—Anti-seismic devices with hydraulic or pneumatic damping
Definitions
- the present invention provides a vibration absorber which is installed in a wall of a building or the like in a brace shape or on a pillar of a building or the like in parallel with the vertical direction to attenuate vibration caused by an earthquake of a building or the like, and this vibration absorber is attached to a wall of the building or the like.
- the present invention relates to a seismic control structure which is installed inside a brace or on a pillar, extending substantially in parallel with the pillar and extending in a substantially vertical direction.
- a technology has already been proposed in which a vibration absorber is embedded in a wall of a building or the like to make the wall a vibration-damping structure and the entire building is made to have a vibration-damping structure.
- a cylinder-type vibration absorber having a cylinder and a rod passing through the cylinder as one of such vibration absorbers is provided at one end of the cylinder.
- one end of the rod projecting from the cylinder is connected to the pillar or horizontal member at one corner of the wall space.
- the other corner diagonally to the corner it is used by attaching it to a pillar or horizontal member, respectively.
- vibration absorbers cause the building to shake due to an earthquake or the like.
- the wall space When the wall space is deformed, it is necessary to expand and contract and to swing with respect to the pillars or horizontal members at each corner.
- One end side of the cylinder and one end side of the rod are attached.However, using such a spectacle joint causes an increase in the price and also causes a slip in the swing. Abnormal noise may be generated, and the vibration control effect may be impaired due to the installation noise.
- the cylinder and rod are extended to generate a large damping force in order to quickly and efficiently attenuate the vibration caused by the earthquake. If this is done, the space occupied in the axial direction will increase in installation, and the weight will be extremely large because thick cylinders and thick rods will be used to prevent bending etc. On the other hand, if the gap between the cylinder and the rod is reduced, the cylinder and the rod come into contact with each other due to the dimensional accuracy in manufacturing the cylinder and the rod. In some cases, the rod cannot move in the axial direction with respect to the cylinder.
- the present invention has been made in view of the above-mentioned points, and a purpose thereof is to provide a brace-like shape in a wall with a simple configuration or a column substantially parallel to a column and substantially vertical to the column.
- Another object of the present invention is to provide a vibration absorber that can be installed in a direction extending in a direction to reduce the cost, and that does not generate abnormal noise during swinging, and a vibration damping structure using the same.
- the purpose is to provide the used damping structure. Disclosure of the invention
- the vibration absorber according to the first aspect of the present invention further comprises at least a hollow outer elongated body and an inner elongated body, wherein the inner elongated body is formed of the outer elongated body. It has an axially extending outer surface that is spaced with a gap from the axially extending inner surface of the elongate body. It has an inserted inner portion, and an end portion extending in the axial direction from the inner insertion portion and protruding outward from one end portion in the axial direction of the outer elongated body.
- a viscous or viscous body is arranged in contact with the inner and outer surfaces, and the outer elongated body is
- One mounting plate member is fixed to the other end of the body, and the other mounting plate member is fixed to one end of the inner elongated body.
- the vibration absorber of the first aspect by connecting the vibration absorber to, for example, a column and a horizontal member via each mounting plate member, the wall surface of the lower horizontal member relative to the upper horizontal member due to an earthquake or the like In the horizontal relative vibration in the inside, the outside long body As a result of the relative axial movement of the body, viscous shear deformation is applied to the viscous or viscoelastic body disposed in the gap between the inner surface of the outer elongated body and the outer surface of the inner elongated body.
- the mounting plate members can be sandwiched between columns and horizontal members, etc., through the respective mounting plate members, for example, on the wide mounting surface of each mounting plate member, instead of the eyeglass joint etc. It can be easily and firmly connected with a friction joint using a spliced plate that can be installed, so that it can be installed in a wall with a simple configuration in a brace shape or parallel to a column, and the cost can be reduced. In addition, no abnormal noise is generated in the swing, no noise is generated in the mounting, the price can be reduced, and a strong connection can be obtained.
- the vibration absorber may be composed of one outer long body and one inner long body.
- the outer long body and the inner long body may be used.
- a plurality of pairs of body members are provided, a plurality of outer elongated members are fixed to each other and integrated, and one mounting plate member is fixed to the other end of each of the plurality of outer elongated members.
- the other mounting plate member may be fixed to each of the plurality of inner elongated members and shared to form a vibration absorber.
- one of the mounting plate members may be fixed to the other end of the outer elongated body via the flange member or the cover member.
- the flange member or the cover member is welded or the like. It is preferable to fix to the other end portion of the outer elongated body by using the above, and to attach one of the attachment plate members to the flange member or the lid member by welding or porting.
- the flange member or the lid member is fixed to the other end of the outer long body by welding or the like, and the other mounting plate member is welded or bolted to the flange member or the lid member. It is good to adhere to the lid member.
- the vibration absorber of the present invention is provided with a viscous body at the time when the inner elongated body insertion portion moves in the axial direction with respect to the inside of the outer elongated body.
- a suppression means for suppressing an increase or decrease in the internal pressure of the viscoelastic body.
- the gap and at least one of the outer and inner elongated bodies have a relationship represented by the following formulas (1) and (2). I have.
- d is the thickness of the gap in the direction perpendicular to the axial direction
- t is at least one of the outer and inner elongated bodies. Is the thickness in the direction perpendicular to the axial direction of one of the long bodies.
- the viscous or viscoelastic material disposed in the gap is attenuated by the relative axial movement of the inner elongated member with respect to the outer elongated member. It generates force, thus damping the vibration of buildings and the like caused by earthquakes. Therefore, the magnitude of the damping force is inversely proportional to the thickness d in the direction orthogonal to the axial direction of the gap, and as a result, the elongated body withstands the damping force having a magnitude inversely proportional to the thickness d.
- the elongated body is The strength becomes weaker against the generated damping force, and in some cases, it may not be able to withstand the generated damping force and may be bent.
- the product (d ⁇ t) is smaller than 100, If it is large, the thickness t becomes larger than necessary compared to the magnitude of the generated damping force, and it becomes a large-weight and large-diameter vibration absorber, which causes cost up.
- the viscous body or the viscoelastic body generates heat in the short-time repeated shearing deformation of the viscous body or the viscoelastic body, but this heat must be efficiently and quickly released.
- the ratio of the thickness t to the thickness d may be less than 0.5. If it is small, in many cases, the heat capacity of the elongate body is smaller than the heat capacity of the viscous body or viscoelastic body, and the heat generated by the viscous body or viscoelastic body is efficiently and quickly elongated. There is a possibility that the viscous or viscoelastic body itself will not be released through the body, and the intended damping force will not be generated.
- the viscous body or the viscous body From the viewpoint that the temperature does not rise, it is preferable that the ratio (t / d) is 0.5 or more.
- the product (d ⁇ t) is not less than 10 and not more than 100, and the ratio (t / d) is not less than 0.5 and not more than 8. Therefore, it is necessary to provide a vibration absorber having sufficient strength guaranteed regardless of the thickness d and having a weight and a diameter corresponding to the magnitude of the generated damping force.
- the heat generated by the viscous or viscoelastic body is efficiently and quickly escaping through the elongated body to increase the temperature of the viscous or viscoelastic body itself.
- a vibration absorber includes a hollow outer elongated body, an inner elongated body, and at least one hollow intermediate elongated body.
- the middle elongated body extends in the axial direction of the outer elongated body in the axial direction with a gap to the inner surface. It has an inner surface that extends and is inserted into the outer elongated body so as to be relatively movable in the axial direction.
- the inner elongated body is an intermediate elongated body. Has an outer surface that extends in the axial direction with a gap from the inner surface that extends in the axial direction, and is inserted relatively movably in the axial direction into an intermediate elongated body.
- the viscous or viscoelastic body is disposed in contact with the inner and outer surfaces of the body.
- the vibration absorber of the present aspect by connecting the vibration absorber to, for example, a column and a horizontal member via each mounting means, the vibration absorber can be used within the wall of the lower horizontal member relative to the upper horizontal member due to an earthquake or the like.
- the vibration absorber in the horizontal relative vibration of, viscous due to the relative axial movement of the intermediate elongated body with respect to the outer elongated body and the relative axial movement of the inner elongated body with respect to the intermediate elongated body
- the relative vibration energy can be more effectively absorbed as compared to the vibration absorber of the above-described embodiment.
- the vibration absorber When the filled viscous body or viscoelastic body is sealed, preferably, the vibration absorber according to the present aspect is provided with an intermediate elongate body with respect to the inside of the outer elongate body and an intermediate elongate body. There is provided a suppression means for suppressing an increase or decrease in the internal pressure of the viscous or viscous body due to the advance and retreat of the inner elongate body with respect to the inside of the body.
- At least one of the gaps, the outer and inner elongated bodies, and the intermediate elongated body are less.
- d is at least one of the two gaps with the one long body in the relation of the formulas (1) and (2).
- the thickness in the direction perpendicular to the axial direction of the gap, and t is the direction perpendicular to the axial direction of at least one of the outer and inner elongated bodies and the intermediate elongated body. Is the thickness.
- each of the outer elongated body, the inner elongated body and the intermediate elongated body may be constituted by a single one, but the outer elongated body may be replaced with this.
- a plurality of pairs of a body, at least one middle long body in the air, and an inner long body are provided, and a plurality of outer long bodies are fixed to each other and integrated, and
- the other mounting plate member is fixedly attached to each of the other end portions of the plurality of outer long members and the respective one end portions of the inner long members, and the other one mounting plate member is provided between the plurality of intermediate members.
- the vibration absorber may be constructed by wearing it and sharing it.
- one of the mounting plate members may be fixed to the other end of the outer long body and one end of the inner long body via the flange member or the cover member.
- the flange member or the lid member is fixed to the other end of the outer elongated body and one end of the inner elongated body by welding or the like, and one of the mounting plate members is welded or welded. It is good to fix to a flange member or a lid member with a bolt or the like.
- the flange member or the lid member is fixed to one end of the intermediate elongated body by welding or the like, and the other mounting plate member is welded or the port is formed by the flange member or the lid. It is good to stick to the member.
- a vibration absorber includes a hollow outer elongated body, an inner elongated body, and at least two hollow intermediate elongated bodies.
- the intermediate long body has an axially extending outer surface arranged with a gap with respect to the axially extending inner surface of the outer elongated body, and has an axially extending outer circumferential body.
- the other intermediate body has a gap with respect to the inner surface extending in the axial direction of one of the intermediate bodies.
- the elongate body extends in the axial direction with a gap to the inner surface extending in the axial direction of the other intermediate elongate body.
- An inner surface of the outer elongate body, and an inner insertion portion inserted into the other intermediate elongate body so as to be relatively movable in the axial direction.
- a viscous or viscoelastic body is arranged in contact with the inner surface and the outer surface in each gap between the outer surface.
- the vibration absorber of this aspect similarly to the vibration absorber of the above-mentioned aspect, by connecting the vibration absorber to, for example, a column and a horizontal member via each mounting means, it is possible to control the upper horizontal member due to an earthquake or the like.
- the relative length of the outer long body and the middle long body relative to the outer long body and the other middle long body in the axial direction Movement causes viscous or visco-elastic material to undergo viscous shear deformation, so that relative vibration energy can be more effectively absorbed as compared with the first and other embodiments of the vibration absorber, resulting in an occupied space in the axial direction.
- the generated damping force can be increased.
- the vibration absorber of the present embodiment When the filled viscous body or viscoelastic body is sealed, preferably, the vibration absorber of the present embodiment also has a structure in which the outer long body and the other middle long body are respectively fitted to the inside. Viscous material or viscous material due to the advance and retreat of one of the intermediate long body and the inner long body There is provided a suppressing means for suppressing an increase and a decrease in the internal pressure of the elastic body. Also in the vibration absorber of this embodiment, preferably, at least one of the three gaps, the outer and inner elongated bodies, and at least two intermediate elongated bodies. At least one of the long bodies has the relationship of the above formulas (1) and (2). In this embodiment, d is three gaps.
- At least one thickness of the gap in the direction perpendicular to the axial direction, and t is at least one of the outer and inner elongated bodies and at least two intermediate elongated bodies. Is the thickness in the direction perpendicular to the axial direction of one elongated body.
- the outer long body, the inner long body, and each of the two intermediate long bodies may be configured as a single vibration absorber.
- a plurality of pairs of an outer elongated body, at least two intermediate elongated bodies, and an inner elongated body are provided, and a plurality of outer elongated bodies are fixed to each other and integrated, and
- the one mounting plate member is fixed to and shared with the other end of each of the plurality of outer elongated bodies and one end of each of the plurality of other intermediate elongated bodies, and the other mounting plate member is used as the other mounting plate member.
- the vibration absorber may be configured such that the vibration absorber is fixed to one end of each of the plurality of intermediate members and one end of each of the plurality of inner members.
- one of the attachment plate members may be fixed to the other end of the outer elongated body and one end of the other intermediate elongated body via the flange member or the cover member.
- a flange member or a lid member is fixed to the other end of the outer long body and one end of the other middle long body by welding or the like, and one of the mounting plate members is welded or ported. It is good to fix to the flange member or the lid member by using.
- a flange member or a lid member is fixed to one end of one intermediate long body and one end of an inner long body by welding or the like, and the other mounting plate member is welded or bolted. It is advisable to fix to the crocodile member or the lid member by using the method described above.
- the vibration absorber according to the present invention is rigidly connected to the column and the horizontal member via the mounting plate member, for example, in the direction of the wall surface (in-plane direction).
- the relative axial movement of the outer elongated member and the inner elongated member, the outer elongated member and the inner elongated member The relative axial movement of the body and the intermediate elongated body or the mutual movement of the outer elongated body and the other intermediate elongated body and one of the intermediate elongated body and the inner elongated body
- a slight bending of each elongated body may follow the relative vibration.
- the vibration damping structure of the present invention includes a vibration absorber, wherein the vibration absorber includes one mounting plate member and one connecting means fixed to the one mounting plate member. To the column or horizontal member via the other one mounting plate member and to the horizontal member or column via the other connecting means fixed to the other one mounting plate member respectively It has been done.
- the vibration absorber is connected to the pillar or horizontal member via the mounting plate member and the connecting means.
- the building can be seismically damped and the damage caused by the earthquake can be minimized.
- a vibration damping structure includes a vibration damper, and the vibration damper is connected to a column or a horizontal member via one attachment means and one connection means attached to the one attachment means. It is connected to the horizontal member or the column via the other connecting means attached to the other attaching means and the other attaching means, respectively.
- the vibration control structure of this aspect as the vibration absorber is connected to the pillar or the horizontal member via each connection means, the building can be subjected to vibration control and damage due to the earthquake can be minimized.
- the building to which the vibration damper of the present invention is applied includes a business or office building including public and private sectors, an apartment house including an apartment house, a detached house, and the like.
- a viscous material to be used in the present invention it is preferable that the viscosity at 30 ° C. is lOOOPa's force or 500 000Pa's force.
- the viscous material used in the present invention those having an equivalent viscous damping constant at 20 ° C of 20% to 50% are preferable, but the present invention is not necessarily limited to these. Instead, any viscous or viscoelastic material that can achieve the above effects may be used.
- a viscous body such as ordinary silicone oil may be used.
- high-viscosity polymers such as polyisobutylene, polypropylenepolybutene or dimethylpolysiloxane having high viscosity, or asphalt can be mentioned as preferable examples.
- any other viscous material may be used.
- the viscoelastic material used in the present invention include liquid synthetic materials such as natural rubber, synthetic rubber, polybutadiene, and polyisoprene. Rubber, other materials mixed with the above-mentioned viscous material can be exemplified, but other viscous materials may be used.
- a spacer member may be arranged between the elongated members in contact with the elongated members to maintain a gap.
- the spacer member may be an endless annular member.
- it may be an individual spacer piece that partially contacts each elongated body.
- Preferable specific examples of the thickness d of the gap include 1 mm to 5.5 mm.
- ADVANTAGE OF THE INVENTION According to this invention, it can be installed in a wall with a simple structure in the shape of a brace or in a pillar in parallel with the pillar in the vertical direction, and can reduce a price. It can provide a vibration control structure using it.
- a large damping force can be obtained without increasing the occupied space and weight in the axial direction, and without causing an inconvenience such as contact between the long members.
- FIG. 1 is a cross-sectional view taken along the line I-I of FIG. 2 showing an example of a preferred embodiment according to the present invention
- FIG. 2 is a cross-sectional view of the example shown in FIG. 1 taken along the line II-II
- FIG. 3 is an enlarged cross-sectional view of a part of the example shown in FIG.
- FIG. 4 is a cross-sectional view taken along the line IV-IV of FIG. 2 of the example shown in FIG.
- FIG. 5 is an explanatory diagram of an example of a preferred embodiment according to the present invention using the example shown in FIG.
- FIG. 6 is a cross-sectional view taken along line VI-VI of the example shown in FIG. 5, and FIG. 7 is a view of another example of the preferred embodiment according to the present invention.
- FIG. 8 is a sectional view taken along line V I I — V I I shown in FIG.
- FIG. 8 is a cross-sectional view of the example shown in FIG.
- FIG. 9 is an enlarged cross-sectional view of a portion of the example shown in FIG.
- FIG. 10 is a cross-sectional view of the example shown in FIG.
- FIG. 11 shows yet another preferred embodiment of the present invention. External view of the example,
- FIG. 12 is a cross-sectional view of the example shown in FIG. 1.1.
- Figure 13 shows the XI I I — X shown in Figure 12 for the example shown in Figure 11
- FIG. 14 is a cross-sectional explanatory view of still another example of the preferred embodiment according to the present invention.
- FIG. 15 is a sectional explanatory view of still another example of the preferred embodiment according to the present invention.
- FIG. 16 is a sectional explanatory view of still another example of the preferred embodiment of the present invention.
- FIG. 17 is a sectional explanatory view of still another example of the preferred embodiment of the present invention.
- FIG. 18 is an explanatory sectional view of a part of the example shown in FIG. 17,
- FIG. 19 is an explanatory right side view of FIG.
- FIG. 20 is a cross-sectional explanatory view of a part of the example shown in FIG. 17,
- FIG. 21 is a left-side explanatory view of FIG.
- FIG. 22 is a cross-sectional explanatory view of still another example of the preferred embodiment according to the present invention.
- FIG. 23 is a cross-sectional explanatory view of still another example of the preferred embodiment according to the present invention.
- FIG. 24 is an explanatory front sectional view of still another example of the preferred embodiment according to the present invention.
- FIG. 25 is an explanatory plan sectional view of the example shown in FIG. 24,
- FIG. 26 is an explanatory front sectional view of still another example of the preferred embodiment of the present invention.
- FIG. 27 is an explanatory plan sectional view of the example shown in FIG. 26,
- FIG. 28 is an explanatory front sectional view of still another example of the preferred embodiment of the present invention.
- FIG. 29 is a right side view of the example shown in FIG. Concrete example
- the damping wall structure 1 as the damping structure of this example is composed of the left and right pillars 2 and 3 of the building, and the wall space 6
- a vibration absorber 7 that is stretchable in the axial direction X and arranged in a brace shape.
- the building is a high-rise building.
- vibration absorbers are similarly arranged in a brace shape on the upper and lower wall spaces.
- one vibration absorber 7 is arranged in the wall space 6, but two or more vibration absorbers 7 may be arranged.
- the vibration absorber 7 includes a hollow outer long body 21 made of a cylindrical member, a hollow inner long body 22 made of a cylindrical member, and a cylindrical inner surface of the long body 21.
- a cylindrical gap 25 between the cylindrical body 23 and the cylindrical outer surface 24 of the elongated body 22 has these elongated bodies 21 and Or a viscoelastic body disposed in contact with the inner surface 23 and the outer surface 24, respectively, in this example, a viscous body 26 and a length having one end 28 on the opening end 27 side.
- the rectangular mounting plate members 31 and 32 fixed to the other end 29 of the long body 21 on the closed side in the axial direction X and the one end 30 of the long body 22 on the closed side, respectively.
- Holding means 33 for holding a gap 25 between an inner surface 23 of the elongated body 21 and an outer surface 24 of the elongated body 22 at one end 28 of the elongated body 21. I have.
- the elongated body 21 has a disk-shaped bottom portion 35 and a cylindrical portion 36 integral with the bottom portion 35 and having the other end 29 side closed by the bottom portion 35.
- the elongate body 22 has a disc-shaped bottom part 37 and a cylindrical part 38 integral with the bottom part 37 and one end 30 side closed by the bottom part 37.
- the cylindrical part 38 of the elongated body 22 has the same inner surface 2 extending in the axial direction X of the cylindrical part 36 of the elongated body 21. It has a cylindrical outer surface 24 that extends in the axial direction X with a gap 25 between it and 3 and moves relative to the cylindrical portion 36 of the elongated body 21 in the axial direction X.
- the inner part 39 that is freely inserted and the one end 28 in the axial direction X of the cylindrical part 36 of the elongated body 21 that extend integrally from the inner part 39 in the axial direction. And one end protruding outward from the ing.
- the viscous body 26 is densely filled in the cylindrical portions 36 and 38 other than the gap 25 in addition to the gap 25.
- long body 2 In the relative movement of the elongated body 2 2 with respect to the cylindrical section 3 6 in the axial direction X of the cylindrical section 3 2, the viscous body 2 6 from the open end 2 7 of the cylindrical section 3 6 to the outside In order to prevent the leakage of air, the viscous body 26 is connected to the open end of the cylindrical portion 36 in the gap 25.
- a through-hole 42 through which the mounting port 41 passes is formed, and one mounting plate member 31 which is one of the mounting means is provided with a bottom portion 35 of the elongated body 21 and It is fitted to a slit 43 formed on the other end 29 of the cylindrical portion 36 and is welded to the bottom 35 of the elongated body 21 and the other end 29 of the cylindrical portion 36.
- the other mounting plate member 32 which is more firmly fixed, has a through hole 45 through which the mounting bolt 44 is inserted, and also serves as the other mounting means, is long.
- the bottom portion 37 of the body 22 and the slit 46 formed at one end 30 of the cylindrical portion 38 are fitted to the bottom 37 of the elongated body 22 and one end of the cylindrical portion 38.
- the holding means 33 which can also be used as a temporary fixing means, is provided with a port 54 on a cylindrical tubular body 51 and an inner surface 53 of one end 52 of the tubular body 51 in the axial direction X.
- the cylindrical member 51 is fixed to the mounting plate member 32 by the bolt 50 at the other end 56 in the axial direction X.
- the spacer member 55 is composed of four spacer pieces 57 arranged at equal intervals in the circumferential direction of the cylindrical body 51, and each spacer piece 57 is The inner surface 58 contacts the outer surface 59 of one end 28 of the cylindrical body 36 of the elongated body 21 in a relatively slidable manner in the axial direction X and the rotation direction R around the axis 60.
- the spacer member 55 composed of the four spacer pieces 57 partially contacts the outer surface 59 of the one end 28 of the cylindrical portion 36 of the elongated body 21. To do so.
- the elongate body 21 and the elongate body 22 are relatively movable in the axial direction X, and the mounting plate member fixed to the elongate body 21
- the wide mounting surface 61 of 31 is substantially parallel to the wide mounting surface 62 of the mounting plate member 32 fixed to the long body 22.
- the elongated body 21 and the elongated body 22 are relatively rotatable in the direction R around the axis 60 with respect to each other.
- the thickness of the gap 25 in the direction perpendicular to the axial direction is d1
- at least one of the outer and inner elongated bodies 21 and 22 is long in this example.
- the thickness of the cylindrical portion 36 of the body 21 in the direction perpendicular to the axial direction is t1
- the thickness of the cylindrical portion 38 of the long body 22 in the direction perpendicular to the axial direction is t2
- the thickness dl and the thicknesses tl and t2 have the following equations (3) to (6).
- the vibration absorber 7 having the above structure is mounted on a column or a horizontal member via the mounting plate member 31 and the connecting means 65 fixed to the mounting plate member 31.
- the lower horizontal member 5 is connected to a column or a horizontal member via a mounting plate member 32 and connecting means 66 fixed to the mounting plate member 32, and in this example, to an upper horizontal member 4 in this example.
- the wide mounting surfaces 61 and 62 of the two mounting plate members 31 and 32 are arranged in parallel with the surface of the wall space 6.
- the connecting means 65 includes at least one pair, in this example, two pairs of splice plates 7 2, which clamps the mounting plate member 31 at one end 71 on the wide mounting surface 61 of the mounting plate member 31. And 73, and a port 41 passed through a through hole 42 in order to fasten one end 71 of the pair of splice plates 72 and 73 to the mounting plate member 31.
- the other end 74 of the pair of splice plates 72 and 73 is connected via a bolt 41 to a bracket 75 fixed to the lower horizontal member 5 by welding or a bolt. It is fixed.
- the connecting means 66 includes at least one pair, in this example, two pairs of splice plates 82, for holding the mounting plate member 32 at one end 81 on the wide mounting surface 62 of the mounting plate member 32. (—Way Of the pair of splice plates 82 are fastened to the mounting plate member 32, and the bolts 4 passed through the through holes 45. The other end 84 of the pair of spliced plates 82 is bolted to a bracket 85 fixed to the horizontal plate 4 by welding or a port. 4 is fixed through.
- the wide mounting surfaces 61 and 62 of the mounting plate members 31 and 32 are arranged in parallel with the surface of the wall space 6, and as a result, the vibration damper 7 is used.
- the effect can be obtained, and the building can be seismically controlled without reducing the space used.
- the mounting plate members 31 and 32 are fitted to the slits 43 and 46 formed on the elongated body 21 and the elongated body 22, respectively, and are attached to the elongated bodies. Since it is fixed to the body 21 and the long body 22, the mounting plate members 31 and 32 can be more firmly fixed to the long body 21 and the long body 22, respectively, and can be used for a long time. With the use of this, it is possible to avoid such an inconvenience that each of the mounting plate members 31 and 32 comes off from the elongated body 21 and the elongated body 22.
- the product (dl ⁇ t 1) of the thickness d 1 of the gap 25 and the thickness t 1 of the cylindrical portion 36 is equal to or greater than 10 and equal to or less than 100, and the gap 2
- the ratio (t 1 / d 1) of the thickness d 1 of 5 to the thickness t 1 of the cylindrical portion 36 is not less than 0.5 and not more than 8
- the product (d 1 ⁇ t 2) of the thickness d 1 of the gap 25 and the thickness t 2 of the cylindrical portion 38 is not less than 10 and not more than 100 and the thickness d of the gap 25 is d
- the ratio (t 2 / d 1) between 1 and the thickness t 2 of the cylindrical portion 38 is 0.5 or more and 8 or less, the cylindrical portion 3 6 irrespective of the thickness d 1 And 38 can be provided with sufficient strength and a vibration absorber 7 having cylindrical portions 36 and 38 having a weight and a diameter corresponding to the magnitude of the generated damping force can be provided.
- the heat generated in the viscous body 26 can be efficiently and quickly released through the cylindrical portions 36 and 38 to prevent the temperature of the viscous body 26 itself from rising.
- a large damping force can be generated, and in addition, even when the elongated body 22 moves relative to the elongated body 21 in the axial direction X, a large pressure fluctuation does not occur in the viscous body 26. Vibration become that you can have and this to efficiency by rather than attenuate due.
- the above-mentioned vibration absorber 7 has an outer elongated body 21 and an inner elongated body 22, but instead shown in FIGS. 7 to 10.
- the vibration absorber 101 may be configured to include the hollow elongated body 102 in addition to the elongated body 21 and the elongated body 22.
- the elongated body 22 is an intermediate elongated body located between the elongated body 21 and the elongated body 102.
- the elongate body 102 is an inner elongate body disposed inside both the elongate body 21 and the elongate body 22.
- the outer elongated body 21 has an annular bottom 103 integral with the cylindrical portion 36 instead of the disc-shaped bottom 35,
- the inner hollow elongated body 102 formed of a cylindrical member is integrated with the disc-shaped bottom 104 and the bottom 104.
- a bottomed cylindrical member provided with a cylindrical portion 106 closed at one end 105 side by a bottom portion 104, and the elongated body 21 has a bottom portion 103 having a bottom portion 103. It is fixed to the bottom part 104 by welding or the like and integrated with the elongated body 102, and the cylindrical part 106 of the elongated body 102 is the cylindrical part of the elongated body 22. It has a cylindrical outer surface 109 extending in the axial direction X with a gap 108 between the cylindrical inner surface 107 extending in the axial direction X of 38 and a long length. It is inserted into the cylindrical part 38 of the body 22 so as to be relatively movable in the axial direction X.
- One end portion 105 protruding from the cylindrical portion 38 to the outside of the cylindrical portion 38 is provided so that the inner surface 107 and the outer surface 109 contact not only the gap 25 but also the gap 108.
- a viscous body 26 is provided, and a mounting plate member 31 is formed by a slit 43 formed at the bottom 103 of the elongated body 21 and at the other end 29 of the cylindrical part 36. And a slit 113 formed at the bottom 104 of the elongated body 102 and one end 105 of the cylindrical part 106 to be fitted to the bottom of the elongated body 21 outside.
- the vibration absorber 101 which is densely filled inside the cylindrical part 106, has the spacer of the spacer member 55.
- Each of the spacer pieces 1 2 1, 1 2 2 and 1 2 3 equivalent to the piece 5 7 is the outer surface 2 4 of the other end 1 1 2 of the cylindrical section 3 8 and one end of the cylindrical section 10 6.
- the outer surface 109 on the side of 105 and the outer surface 109 of the other end 124 of the cylindrical portion 106 are fixed to the outer surface 109 of the cylindrical portion 106, respectively, and the spacer pieces 121, 122, and 123
- the respective outer surfaces are relatively slidably contacted with the inner surface 23 of the cylindrical portion 36 and the inner surface 107 of the cylindrical portion 38 in the axial direction X and the rotation direction R of the axis 60, respectively.
- the gaps 25 and 108 are maintained.
- the elongated members 21 and 102 and the elongated member 22 are relatively movable in the axial direction X, and the elongated members 21 and 102 are moved to the elongated members 21 and 102.
- the wide mounting surface 61 of the fixed mounting plate member 31 is substantially parallel to the wide mounting surface 62 of the mounting plate member 32 fixed to the long body 22.
- the elongated bodies 21 and 102 and the elongated body 22 in this example are relatively rotatable in the direction R about the axis 60 with respect to each other.
- the thickness of the gap 25 in the direction perpendicular to the axial direction is defined as dl
- the thickness of the gap 108 in the direction orthogonal to the axial direction is defined as d 2.
- the cylindrical portions 36 38 and 106 of the elongated members 21, 22, and 102 are t 1 t 2 and t 3, respectively.
- the thicknesses dl and d 2 and the thicknesses t 1, t 2 and t 3 are represented by the following equation (7) 4).
- the vibration absorber 10 1 or more like the vibration damper 7, has the wide mounting surfaces 61 and 62 of both mounting plate members 31 and 32.
- the lower horizontal member 5 is connected to the lower horizontal member 5 via the connecting means 65 shown in FIG. 5, and the upper horizontal member 4 is connected to the upper horizontal member 4 via the connecting means 66 shown in FIG.
- the damping wall structure 1 provided with the vibration damper 101 used for the vibration damping wall structure 1 in place of the damper 7 the same effect as in the above-described vibration damping wall structure 1 provided with the vibration damper 7 can be obtained.
- the respective cylindrical portions 3638 and 106 of the elongated bodies 21, 22 and 102 are formed. It is possible to provide a vibration absorber 101 having sufficiently strong strength and having cylindrical portions 36, 38, and 106 having a weight and a diameter corresponding to the magnitude of the generated damping force. In addition to this, the heat generated in the viscous body 26 is quickly and efficiently transferred to the cylindrical sections 36, 38 and 106 of the elongated bodies 21, 22 and 102, respectively. The viscous body 26 itself can be prevented from heating up, and the intended damping force can be generated.
- the relative axis of the elongated body 22 to the elongated bodies 21 and 102 can be generated. Since the viscous body 26 does not generate large pressure fluctuations even in the movement in the direction X, it is necessary to efficiently attenuate the vibration of buildings and the like due to the earthquake. You can do it.
- the vibration absorber 7 provided with one long body 21 and one long body 22 or the vibration absorber 1 provided with one long body 21, 22 and 102 respectively. 0 1, but instead of this, a plurality of pairs of the elongated members 21 and 22 or a plurality of pairs of the elongated members 21, 22, and 102 are further provided.
- a plurality of sets of elongated bodies 21, 22, 102, and 202 are provided, for example, as shown in FIGS. 11 to 13, a set of elongated bodies 21 and 22.
- the vibration absorber 13 1 may be configured by two sets of the vibration absorber 13. In the vibration absorber 13 1 shown in FIG. 11 and the vibration absorber 13 1 shown in FIG.
- the mounting plate member 31 is fixed to each elongated body 21 and shared with each elongated body 21 in the same manner as described above.
- the mounting plate member 32 is also fixed to each of the elongated members 22 in the same manner as described above. Shared with 2 2
- the cylindrical body 51 of the holding means 33 is formed in an elliptical shape instead of the cylindrical shape, and similarly to the mounting plate members 31 and 32, the elongated bodies 21 and 22 are formed. It is commonly used for each of the elongated bodies 21 and 22 surrounding the one end 28.
- the vibration absorber 13 1 has the wide mounting surfaces 61 and 62 of both mounting plate members 31 and 32 arranged in parallel to the surface of the wall space 6. , Connected to the lower horizontal member 5 via the connecting means 65, and to the upper horizontal member 4 via the connecting means 66, respectively. It can be used for the damping structure 1 in place of the vibration damper 7, and even for the vibration damping wall structure 1 equipped with the vibration damper 13 1, two long rods 21 are used for two long rods 21 due to an earthquake etc. 2 2 relative axial directions
- the open end 27 of the elongated body 21 was left open as it was, but from the open end 27 to the gap 25.
- the open end 27 of the vibration absorber 7 is closed with a sealing member 141, and the viscous body 26 is sealed.
- a restraint means 142 for suppressing an increase or decrease of the internal pressure of the viscous body 26 when the inner portion 39 of the elongated body 22 advances or retracts in the axial direction X with respect to the interior of the elongated body 21.
- the vibration absorber 7 may be configured.
- the restraining means 14 2 shown in FIG. 14 defines the interior of the cylindrical portion 38, which is the hollow portion of the elongated body 22, as a chamber 144 filled with the viscous body 26 and an air chamber 144. And a bellows-shaped flexible partition wall 144 made of a rubber member or the like, which increases or decreases the volume of the chamber 144 by increasing or decreasing the internal pressure of the viscous body 26.
- the outer peripheral end of 45 is fixed to the inner surface 107 of the cylindrical portion 38.
- the air chamber 144 inside the cylindrical portion 38 and adjacent to the chamber 144 defined by the flexible partition wall 144 is filled with air. Although it may be closed and sealed, if necessary, a through-hole 147 may be formed in the cylindrical portion 38 to communicate the air chamber 146 with the outside.
- the outer peripheral end of the flexible partition wall 144 is fixed to the inner surface 107 of the cylindrical section 38, and the flexible partition wall 144 is disposed inside the cylindrical section 38.
- the outer peripheral end of the flexible partition wall 144 may be fixed to the inner surface 23 of the cylindrical portion 36 and the flexible partition wall 144 may be arranged inside the cylindrical portion 36. What is necessary is just to arrange
- the vibrating body 26 filled inside the cylindrical portion 38 is replaced with the flexible partition 1 45 or together with the flexible partition 1 45 as shown in FIG. 15. It may be provided with a compressible body 148 such as an embedded air bag, foam rubber, sponge, or the like.
- the flexible partition wall 1 45 is disposed inside the cylindrical portion 38 of the elongated body 22 in, for example, the vibration absorber 101, the elongated body 102 is replaced with a solid member instead of a hollow member.
- the vibration absorber 1001 shown in FIG. 16 may not be filled with a viscous material inside the cylindrical portion 106.
- each of the mounting means was constituted by one mounting plate member 31 and 32.
- FIGS. As shown in FIG. 1, in addition to one mounting plate member 31 and 32, another mounting plate member 151 and 152 is provided, that is, one pair of mounting plate members.
- the vibration absorber 7 may be constituted by one mounting means provided with 31 and 151, and the other mounting means provided with the other pair of mounting plate members 32 and 152.
- One other mounting plate member 15 1 is provided with mounting plate members 15 5 and 15 6, and the mounting plate member 15 5 It is fitted to a slit 1557 formed in the cylindrical portion 35 and the cylindrical portion 36, and is fixed to the bottom portion 35, the cylindrical portion 36, and the mounting plate member 31 by welding or the like.
- the mounting plate piece 1556 like the mounting plate piece 1555, is fitted into a slit 1558 formed in the bottom portion 35 and the cylindrical portion 36, and the bottom portion 35 and the cylindrical portion 3 are fitted. 6 and attached to the mounting plate 31 by welding, etc.
- the wide surface 15 9 of the mounting plate member 15 1 consisting of the mounting plate pieces 15 5 and 15 56 intersects with the wide mounting surface 61 of the mounting plate member 31. In this example, they are orthogonal.
- the other other mounting plate member 15 2 includes mounting plate pieces 16 5 and 16 6, and the mounting plate member 16 5 has a bottom portion like the mounting plate member 32. It is fitted to a slit 1667 formed in the cylindrical portion 37 and the cylindrical portion 38, and is fixed to the bottom portion 37, the cylindrical portion 38, and the mounting plate member 32 by welding or the like.
- the mounting plate piece 166 like the mounting plate piece 165, is fitted to a slit 168 formed in the bottom portion 37 and the cylindrical portion 38, and the bottom portion 37 and the cylindrical portion 3 are fitted. 8 and the mounting plate member 32 are welded or the like, and the wide surface 16 9 of the mounting plate member 15 2 composed of the mounting plate pieces 16 5 and 16 66 is attached to the mounting plate. It intersects with the wide mounting surface 62 of the member 32 and is orthogonal to the present embodiment.
- the mounting plate members 15 1 and 15 2 are connected via the slits 15 57 and 15 58 and 16 67 and 16 68.
- the wide surface 15 9 of the mounting plate member 15 1 is perpendicular to the wide mounting surface 6 1 of the mounting plate member 3 1.
- the mounting plate members 3 1 and 3 2 and 15 1 and 15 2 Bending strength can be increased.
- the holding means 33 is provided before the vibration absorbers 7 and 101 are installed in the wall space 6 via the connecting means 66. It is used as a temporary fixing means for the long body 21, and after installation in the wall space 6 via the connecting means 66, the ports 50 and 54 are loosened and the holding means 33 is removed.
- the damping wall structure 1 may be constituted by the vibration absorber 7 or 101 without the holding means 33, and in this case, the spacer pieces 1 2 1, 1 2 2 and 1 2
- the same spacer pieces as those in 3 are newly or additionally provided as necessary between the cylindrical part 36 and the cylindrical part 38 and between the cylindrical part 38 and the cylindrical part 106 as necessary. You may.
- a storage means for storing the viscous material 26 overflowing from the gap 25 to the outside due to the temperature rise may be provided.
- the storage means 17 1 provided in the vibration absorber 10 1 is fixed to the outer surface 1 3 of the one end 28 of the cylindrical portion 36 in the long body 21.
- a cylindrical body 17 4 is provided, and an annular storage space 17 7 is formed by the outer surface 24 of the cylindrical portion 38 and the inner surface 1 ⁇ 5 of the cylindrical body 17 4.
- the outer surface 24 of the cylindrical portion 38 of the elongated body 22 can be slid in the axial direction X.
- An annular lid member 176 is fitted between the cylindrical portion 38 and the cylindrical member ⁇ 4 so as to be fixed to the inner surface 175 of the cylindrical member 174. .
- the width ds in the direction perpendicular to the axial direction X is larger than the thickness d 1, so that a large amount of viscous material 26 overflows from the gap 25. It is possible to store this in storage space 177 without any problem. Needless to say, such a storage means 17 1 may be provided in the vibration absorber 7 in the same manner.
- the suppression means 142 is constituted by the flexible partition wall 144.
- a disk-shaped closing member 18 1 is fixed inside one end 10 5 of 06 to define the inside of the cylindrical portion 106 as a closed space 18 2 and a space 18 3, and closed.
- An annular member 18 4 is similarly fixed to the inside of one end 10 5 of the cylindrical portion 106 on the space 18 3 side, separated from the member 18 1 in the axial direction X, and the air chamber 18 5 and a space 1887 in which the viscous body 26 is disposed, and has an air chamber 185 communicated with the space 1887 through the central hole 1886 of the annular member 184.
- the suppression means 14 2 may be configured in such a manner.
- One or more through-holes 188 for communicating the holes 25 and 108 with the space 187 may be provided at one end 105 of the cylindrical portion 106.
- the air chamber 1 85 is formed into a viscous body 2 with respect to the air chamber 1 85 by increasing or decreasing the internal pressure of the viscous body 26 due to the movement of the long body 2 2 relative to the long bodies 21 and 102 in the axial direction X. 6, the volume of the elongate body 22 is increased and decreased by moving the elongate body 22 into and out of the elongate body 22. The internal pressure of the viscous body 26 due to the advance and retreat of 2 is suppressed.
- the same air chamber as the air chamber 18 5 is formed inside the other end 11 of the cylindrical portion 38, and the air chamber constitutes the suppression means 14 2. May be.
- a filling hole 191 with a plug is provided at the other end 29 of the cylindrical portion 36 to fill the hole 191 before or after installation in the wall space 6.
- the filling hole 1991 may be closed with a stopper.
- one end 30 of the elongated body 22 is not fitted with the lid member 1 76 between the cylindrical section 38 and the cylindrical body 1 74.
- the pair of mounting plate members 32 and 152 fixed to the other end of the elongated body 21 and the elongated body 102 are fixed to each other via a slit similar to the aforementioned slit.
- the viscous body 26 is obliquely or upright so that the viscous body 26 is filled into the long body 21 of the viscous body 26, and after the filling, the cylindrical portion 38 and the cylindrical body 1 7 4 are filled. It is preferable to fit the lid member 17 6 between the and.
- an air discharge hole is provided in the bottom portion 37, and the cylindrical portion 38 and the cylindrical body 1 74 Even after the lid member 17 6 is fitted into the gap, the filling of the viscous body 26 through the filling hole 19 1 into the elongated body 21, etc., is continued, and the entire inside of the cylindrical portion 38 is filled. After the viscous material 26 is filled, the air discharge hole may be closed, and further, the viscous material 26 is filled into the cylindrical portion 38 through the air discharge hole, After the entire inside of the cylindrical portion 38 is filled with the viscous material 26, the air discharge hole may be closed.
- each of the mounting plate members 31 and 32 has a through hole for suspending the vibration absorber 101 in transportation, installation, temporary fixing, etc. of the vibration absorber 101. It may have tongues 1993 and 1994 with 192.
- the above-described vibration absorber 101 is configured to include the elongated members 21, 22 and 102. Instead, as shown in FIG. 23, the elongated members 21, The vibration absorber 201 may further include a hollow elongated body 202 in addition to 222 and 102.
- the elongated bodies 22 and 102 are located at an intermediate position between the elongated body 21 and the elongated body 202. Therefore, one intermediate elongated body is composed of the elongated body 22, and the other intermediate elongated body is composed of the elongated body 102.
- the elongated body 202 is an inner elongated body disposed inside each of the elongated bodies 21, 22, and 102.
- the elongated body 22 has an annular bottom portion 211 integral with its cylindrical portion 38, and the inner hollow elongated body 202 has an elongated shape.
- a disc-shaped bottom portion 2 12 and a cylindrical portion 2 14 integrated with the bottom portion 2 12 and having one end 2 13 side closed by the bottom portion 2 12 are formed.
- the elongate body 22 is made of a bottomed cylindrical member having a bottom part 21 1 fixed to the bottom part 21 2 by welding or the like and integrated with the elongate body 202.
- the cylindrical portion 210 of the elongated body 202 has a gap 211 with respect to the inner surface 211 extending in the axial direction X of the cylindrical portion 106 of the elongated body 102.
- An inner surface 2 having an outer surface 2 18 extending in the axial direction X and being inserted into the cylindrical portion 106 of the elongated body 102 so as to be relatively movable in the axial direction X. 21 and the inner part 2 21
- the opening end in the axial direction X2 of the cylinder 10 2 is provided with one end 2 13 protruding to the outside of the cylindrical portion 106 from the other end 1 on the 2 2 2 side.
- a viscous body 26 is also provided in the gap 2 17 in contact with the inner surface 2 16 and the outer surface 2 18, and the mounting plate members 3 2 and 15 2 As above, long body
- the bottom 21 1 of the elongated body 22 and one end 30 of the cylindrical part 38 and the bottom 21 2 of the elongated body 202 and the cylindrical part are fitted in the formed slit.
- the viscous body 26 is fixed to one end 2 13 of the 2 4 and the gaps 25, 108 and 2 17 are applied.
- the cylinders 36, 38, and 106 are densely filled in the interior of the cylinder. Also, in the vibration absorber 201, the mounting plate members 31 and 151 as one of the mounting means are provided with the vibration absorber. It is fixed to the elongated members 21 and 102 in the same manner as 101.
- the damper 2 0 1 has a spacer piece equivalent to the spacer pieces 1 2 1, 1 2 2 and 1 2 3
- the outer surfaces of the spacer pieces 2 25 and 2 26 are fixed to the outer surface 2 18 of the cylindrical portion 2 14, respectively.
- the elongated bodies 21 and 102 and the elongated bodies 22 and 202 are relatively movable in the axial direction X with respect to each other.
- the other end 29 and one end 105 of the elongated body 102 are connected to each other through the same slit as the above-mentioned slit.
- the wide mounting surface 61 of the mounting plate member 31 fixed and attached is fixed to the one end 30 of the elongated body 22 and the one end 21 of the elongated body 202 in the same manner as described above. It is substantially parallel to the wide mounting surface 62 of the mounting plate member 32 fixed via a slit similar to the slit.
- the elongated bodies 21 and 102 and the elongated bodies 22 and 202 of this example are also relatively rotatable in the direction R about the axis 60 with respect to each other.
- the thickness of the gap 25 in the direction orthogonal to the axial direction is d1
- the thickness of the gap 108 in the direction orthogonal to the axial direction is d2
- the thickness of the gap 210 is The thickness in the direction perpendicular to the axial direction is d 3, and at least one of the outer and inner elongated bodies 21 and 20 2 and the intermediate elongated bodies 22 and 20 2
- the thickness in the direction perpendicular to the axial direction of the cylindrical portions 36, 38, 106, and 214 of the elongated bodies 21, 22, 102, and 202 is tl, t, respectively.
- 2, t 3, and t 4 the thicknesses d 1, d 2, and d 3 and the thicknesses tl, t 2, t 3, and t 4 are given by the following equations (15) through (26). Have.
- a disc-shaped closing member 2 3 2 is fixed inside the other end 2 3 1 of the cylindrical portion 2 1 4.
- the interior of the cylindrical portion 2 14 is defined as a closed space 2 3 3 and a space 2 3 4, and is separated from the closed portion 2 3 2 in the axial direction X to an annular member on the space 2 3 4 side.
- 2 3 5 is fixed inside the other end 2 3 1 of the cylindrical portion 2 1 4 to form an air chamber 2 3 6, through the central hole 2 3 7 of the annular member 2 3 5.
- the suppression means 142 may be constituted by an air chamber 236 communicated with the gap 217 or the like.
- Such a suppression means 14 2 also has an air chamber 2 36 which is formed inside the elongated body 202 and whose volume is increased or decreased by increasing or decreasing the internal pressure of the viscous body 26.
- the internal pressure of the viscous body 26 due to the advance and retreat of each of the elongated bodies 22 and 202 with respect to the inside of each of the elongated bodies 21 and 102 is suppressed.
- the vibration damper 201 is provided with the above-described flexible partition wall 144 or the compressible body instead of or together with the suppression means 142 comprising the air chamber 236. It may be configured to include the suppression means 14 2 consisting of 14 8.
- the vibration absorber 201 it is not necessary to provide the through hole 188 at one end 105 of the cylindrical portion 106, but such a through hole 188 is provided at the end portion 105. Accordingly, when the viscous body 26 is filled into the vibration absorber 201 through the filling hole 191, the long body 102 can be quickly filled.
- the wide mounting surfaces 61 and 62 of both mounting plate members 31 and 32 are arranged in parallel to the surface of the wall space 6, similarly to the vibration absorbers 7 and 101.
- it is connected to the lower horizontal member 5 via the connecting means 65 shown in FIG. 5 and to the upper horizontal member 4 via the connecting means 66, respectively, so that the vibration absorber 7 or 101 is replaced.
- the damping wall structure 1 equipped with the vibration damper 201 can obtain the same effects as the above-described damping wall structure 1 equipped with the vibration damper 7 or 101, and can also be used in the event of an earthquake or the like.
- the relative movement of the elongated bodies 22 and 202 with respect to the elongated bodies 21 and 102 in the axial direction X causes the gaps in addition to the viscous bodies 26 arranged in the gaps 25 and 108.
- the viscous body 26 arranged in the 2 17 also generates viscous shear deformation and can absorb the relative vibration energy, so that the vibration of the building due to an earthquake or the like can be attenuated much earlier.
- the vibration absorber 201 as in the case of the vibration absorbers 7 and 101, the elongated members 21, 22, and 102 of the mounting plate members 31 and 32, respectively. And the attachment to 202 can be made stronger, and each of the mounting plate members 31 and 32 comes off the elongated body 21, 22, 102 and 202 over a long period of use. In addition to being able to avoid such inconveniences as possible, the mounting plate members 15 1 and 15 2 are provided, so that the bending strength of the mounting plate members 31 and 32 is increased. ing.
- each cylindrical portion 36 of the elongated bodies 21, 22, 102, and 202 is formed irrespective of the size of the thicknesses d1, d2, and d3.
- 38, 106, and 214 are provided with sufficient strength, and furthermore, to provide a vibration absorber 201 having a weight and a diameter corresponding to the magnitude of the generated damping force.
- the heat generated by the viscous body 26 can be efficiently and quickly swiftly and efficiently to the cylindrical sections 36, 38 of the elongated bodies 21, 22, 102, and 202, respectively.
- the viscous body 26 itself can be prevented from heating up, and the intended damping force can be generated, and the length for the elongated bodies 21 and 102 can be reduced. Even in the relative axial movement of the long bodies 22 and 202 in the axial direction X, no large pressure fluctuation occurs in the viscous body 26, so that the vibration of the building or the like due to the earthquake can be efficiently attenuated. become.
- the mounting plate members 31 and 32 are fitted to the slits 43 and 46 to form the respective mounting means.
- a flange member or a lid member in this example, a lid member 241
- Each mounting means may be configured using 242.
- one of the mounting means is the other end 29 of the cylindrical part 36 of the elongated body 21 and the cylindrical part of the elongated body 102.
- the cover member 24 is fixed to one end portion 30 of the cylindrical portion 38 of the long body 22 by welding or the like, and the mounting plate member 32 fixed to the cover member 24 2.
- the mounting plate member 31 is fixed to the lid member 24 1 and fixed to the other end 29 of the elongated body 21 and one end 105 of the elongated body 102.
- Numeral 32 is fixed to the lid member 242 and is fixed to one end 30 of the elongated member 22.
- one mounting means is such that bolts 24 43 are attached to the lid member 24 1 in addition to the lid member 24 1 and the mounting plate member 31.
- Flange member 2 which is fixed by welding and the mounting plate member 31 is fixed by welding or the like.
- the mounting plate member 32 is provided with a flange member 24 46 to which the mounting plate member 32 is fixed by welding or the like.
- the mounting plate member 31 has a lid member 241, a flange member 244 and a bolt 2443. The other end 29 of the elongated body 21 and the elongated body 102
- the mounting plate member 32 is fixed to the lid member 242 via the flange member 246 and the bolt 245, and is attached to one end of the elongated body 222. Secured to section 30.
- one of the mounting means includes the mounting plate member 3 1 in addition to the lid member 2 4 1, the mounting plate member 3 1 and the flange member 2 4 4. And a mounting plate member 15 1 fixed to the flange member 24 4 by welding or the like.
- the other mounting means is a lid member 24 2, a mounting plate member 32, and a flange member 24 46.
- a mounting plate member 152 is fixed to the mounting plate member 32 and the flange member 2446 by welding or the like, as shown in FIGS. 24 to 27.
- the vibration damper 101 is connected to the wall space 6 via a connecting means having a port inserted into each of the through holes 42 and 45. May be installed
- Each of the mounting means shown in FIGS. 24 to 29 may be similarly used for the vibration absorbers 7 and 201.
- each vibration absorber is arranged in the wall space 6, but instead or together with at least one of the columns 2 and 3, substantially parallel to the columns 2 and 3 and in a substantially vertical direction. May be extended
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Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB038042533A CN1306134C (zh) | 2002-02-21 | 2003-02-07 | 阻尼器和使用该阻尼器的振动阻尼结构 |
CA2474976A CA2474976C (en) | 2002-02-21 | 2003-02-07 | Damper and vibration damping structure using the same |
KR1020047012750A KR100982320B1 (ko) | 2002-02-21 | 2003-02-07 | 흡진기 및 그것을 이용한 제진구조 |
EP03703266.1A EP1486630B1 (en) | 2002-02-21 | 2003-02-07 | Vibration absorber, and vibration control structure using the same |
US10/504,294 US7182187B2 (en) | 2002-02-21 | 2003-02-07 | Damper and vibration damping structure using the same |
NZ534501A NZ534501A (en) | 2002-02-21 | 2003-02-07 | Damper and vibration damping structure using the same, with axial telescopic movement between outer and inner bodies, and damping material between plates |
US11/653,355 US7565957B2 (en) | 2002-02-21 | 2007-01-16 | Damper and vibration damping structure using the same |
US12/457,728 US8002093B2 (en) | 2002-02-21 | 2009-06-19 | Damper and vibration damping structure using the same |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2002-45367 | 2002-02-21 | ||
JP2002045367 | 2002-02-21 | ||
JP2002358091A JP4622207B2 (ja) | 2002-02-21 | 2002-12-10 | 吸振器及びそれを用いた制震構造 |
JP2002-358091 | 2002-12-10 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US10504294 A-371-Of-International | 2003-02-07 | ||
US11/653,355 Division US7565957B2 (en) | 2002-02-21 | 2007-01-16 | Damper and vibration damping structure using the same |
Publications (1)
Publication Number | Publication Date |
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WO2003071052A1 true WO2003071052A1 (en) | 2003-08-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/001328 WO2003071052A1 (en) | 2002-02-21 | 2003-02-07 | Vibration absorber, and vibration control structure using the same |
Country Status (9)
Country | Link |
---|---|
US (3) | US7182187B2 (ja) |
EP (3) | EP1486630B1 (ja) |
JP (1) | JP4622207B2 (ja) |
KR (3) | KR101023710B1 (ja) |
CN (1) | CN1306134C (ja) |
CA (3) | CA2770427C (ja) |
NZ (5) | NZ581916A (ja) |
TW (1) | TWI226403B (ja) |
WO (1) | WO2003071052A1 (ja) |
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CN105002998A (zh) * | 2015-07-22 | 2015-10-28 | 南京丹枫机械科技有限公司 | 一种变力粘滞阻尼器 |
US20220282513A1 (en) * | 2021-03-05 | 2022-09-08 | WELL-LINK INDUSTRY Co.,LTD | Energy dissipation device |
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JP4622207B2 (ja) * | 2002-02-21 | 2011-02-02 | オイレス工業株式会社 | 吸振器及びそれを用いた制震構造 |
US8250818B2 (en) * | 2004-03-03 | 2012-08-28 | Robert Tremblay | Self-centering energy dissipative brace apparatus with tensioning elements |
US8001734B2 (en) * | 2004-05-18 | 2011-08-23 | Simpson Strong-Tie Co., Inc. | Moment frame links wall |
CN100425860C (zh) * | 2004-12-11 | 2008-10-15 | 尹学军 | 阻尼器 |
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