JP2000282708A - Vibration control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability in the case that brackets to be connected to both ends of a hydraulic damper are fixed to each panel. SOLUTION: A vibration control device 51 is composed of a hydraulic damper 12, a first bracket 16 to be connected to a cylinder 14, and a second bracket 20 to be connected to a piston rod 18. The front side vertical parts 16g, 20g of the brackets 16, 20 have obliquely cut ramps 16i, 20i respectively. Thereby, the inclination of the whole damper 51 enables the ramps 16i, 20i of the front side vertical parts 16g, 20g to pass the peripheries of panels. When the whole vibration control device 51 is rotated to put the hydraulic damper 12 and the brackets 16, 20 in a horizontal state, the front side vertical parts 16g, 20g are made to face the panels and rear side vertical parts 16h, 20h are moved to positions opposed to the rear surfaces of the panels.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration damping device, and more particularly to a vibration damping device configured to absorb vibration energy of a general house and dampen vibration input to a building.

[0002]

2. Description of the Related Art As a means for improving the seismic resistance of a general house such as a wooden house, there has been developed a vibration damping structure in which a hydraulic damper is attached to a brace mounted at a diagonal position of a frame and arranged inside a wall. Is underway. In this vibration damping structure, a hydraulic damper absorbs the vibration energy of an earthquake that attempts to plastically deform the frame between columns, beams, and the like, thereby damping the frame of the structure.

A conventional vibration damping device used for such a vibration damping structure is disclosed, for example, in Japanese Patent Application No. 11-63924 filed by the present applicant (but not known at the time of this application). There are also configurations. FIG. 19 is a front view of one embodiment of the vibration damping device filed by the present applicant earlier. FIG. 20 is a rear view of the vibration damping device filed by the present applicant earlier. FIG. 21 is a left side view of the vibration damping device filed by the present applicant earlier.

[0004] As shown in FIGS. 19 to 21, the vibration damping device 11 is configured to be installed in a wall of a wooden general house, and generally has a hydraulic damper for damping horizontal vibration. 12, a first bracket 16 connected to the end 14a of the cylinder 14 of the hydraulic damper 12, a second bracket 20 connected to the end 18a of the piston rod 18 of the hydraulic damper 12, and a second bracket 20 on the front side. 1 bracket 1
And a holding member 22 laid between the second bracket 20 and the second bracket 20 to hold the brackets 16 and 20 at a predetermined interval.

The vibration damping device 11 has a mounting plate 24 made of sheet metal, which is mounted on each of the brackets 16 and 20 during construction.
26 is prepared separately. Each bracket 16, 20
Is formed by bending an iron sheet metal as described later. After the holding member 22 is removed at the installation site, the mounting plates 24 and 26 are mounted. The hydraulic damper 12 includes a cylinder 14 filled with hydraulic oil therein, a piston (not shown) slidably inserted into the cylinder 14, and a piston rod 18 integrally connected to the piston. . The piston slides in the cylinder 14 according to the relative displacement between the cylinder 14 and the piston rod 18. And cylinder 1
The hydraulic oil filled in the piston 4 generates a resistance when the hydraulic oil flows through a narrow passage penetrating the piston as the piston slides, and this resistance acts as a damping force to attenuate the input vibration energy. I do.

The hydraulic damper 12 has a movement amount (stroke) of the piston rod 18 according to a structure to be installed.
Is determined, and the piston rod 18 has moved to the maximum extension position when assembled at the factory. Therefore, in the vibration damping device 11, the position of the piston rod 18 with respect to the cylinder 14 is held at an intermediate position of the entire stroke by holding a sheet metal holding member 22 between the brackets 16 and 20. . In the present embodiment, the holding member 22 is provided with a mounting hole through which the four mounting bolts 25 are inserted (in FIG. 20, hidden behind the mounting bolts 25), and the four mounting bolts are provided. 25 secures it to the brackets 16, 20.

As described above, when the vibration damping device 11 is installed in a building, the piston rod 18 is held at the intermediate position with respect to the cylinder 14, so that the transportation operation can be easily performed and the piston rod 18 can be moved. Installation work can be done easily because it does not extend and operate on its own. Further, the vibration damping device 11
Is separate from the panel mounted on the wall, so that it is smaller and lighter than one combined with the panel. For example, one worker (carpenter) can perform the installation work. It is configured.

When the mounting bolts 25 are removed at the time of construction as described later, the holding member 22 is mounted on the bracket 1.
The brackets are separated from the brackets and release the restraint between the brackets. Thus, the hydraulic damper 12 is in a state where the piston rod 18 is operable, and can generate a damping force. The mounting bolt 25 is attached to the bracket 1
Since the nut 27 is screwed onto the nuts 6 and 20, the nut 27 can be tightened or loosened without turning. Therefore, since the mounting bolt 25 can rotate the mounting bolt 25 around the axis from one direction,
Attachment and removal of the holding member 22 can be easily performed.

As shown in FIG. 21, the first bracket 16 is formed so as to extend in the horizontal direction with a holding member mounting portion 16a, which stands vertically on the front side of the hydraulic damper 12 and to which the nut 27 is fixed, and which will be described later. Flat part 1 on which a wooden panel to be mounted is placed
6b, and a panel mounting portion 16c which stands vertically on the rear side of the hydraulic damper 12 and faces the rear side edge of the wooden panel.

Further, small holes 28 for inserting nails or wood screws for fixing the wooden panel are provided at predetermined intervals in the panel mounting portion 16c. In the present embodiment, the small holes 28 are provided at nine positions of the panel mounting portion 16c. The cylinder 1 is provided on the lower surface of the flat portion 16b.
The support portion 16d stands upright in a U-shape that supports the end 14a of the fourth member. The support 16 d is connected to the end 14 a of the cylinder 14 by screwing a bolt 30 and a nut 31 that pass through the end 14 a of the cylinder 14.

Further, the second bracket 20 is provided with the first bracket 20.
And a holding member mounting portion 20a which is vertically erected on the front side of the hydraulic damper 12 and to which the nut 27 is fixed, and which is formed to extend in the horizontal direction and will be described later. Plane part 2 on which wooden panel is placed
0b, and a panel mounting portion 20c which stands vertically on the rear side of the hydraulic damper 12 and faces the rear side edge of the wooden panel.

Small holes 32 for inserting nails or wood screws for fixing the wooden panel are provided at predetermined intervals in the panel mounting portion 20c. In the present embodiment, the small holes 32 are provided at nine positions of the panel mounting portion 20c. The upper surface of the flat portion 20b has a U-shaped support portion 20 supporting the end portion 18a of the piston rod 18.
d is standing. The support portion 20d includes a bolt 30 and a nut 31 penetrating the end portion 18a of the piston rod 18.
To the end 18a of the piston rod 18.

The mounting plates 24 and 26 hold small holes 24a and 26a for inserting nails or wood screws and holes 24b and 26b for inserting mounting bolts 25, similarly to the panel mounting portions 16c and 20c. It is provided at the same predetermined interval as the mounting hole of the member 22. FIG. 22 is a front view showing an installation state of the vibration damping device 11. As shown in FIG.
The vibration damping device 11 includes a pillar 39 erected between the first floor and the second floor, and a lower beam 33 suspended so as to be supported by the first floor.
It is installed in a rectangular wall-shaped space 35 formed by an upper beam 34 laid so as to support the second floor.

In the wall-shaped space 35, the vibration damping device 11 is provided.
Besides, a wooden lower panel 36 fixed to the lower beam 33,
A wooden upper panel 37 fixed to the upper beam 34 is provided, and the vibration damping device 11 is attached so as to be interposed between the lower panel 36 and the upper panel 37. And
The upper panel 37 is fixed with nails or wood screws while the lower edge is sandwiched between the panel mounting portion 16c of the first bracket 16 and the mounting plate 24. Also, lower panel 3
6 is fixed with nails or wood screws while the upper edge is sandwiched between the panel mounting portion 20c of the second bracket 20 and the mounting plate 26.

Therefore, when the vibration caused by the earthquake is transmitted to the floor surface, a relative displacement in the horizontal direction occurs between the lower beam 33 and the upper beam 34, and the vibration is transmitted through the upper panel 37 and the lower panel 36 to the bracket 16, 20. As a result, the hydraulic damper 12 performs the damping operation as described above to absorb the vibration energy, so that the lower beam 33 and the upper beam 34
And the relative displacement between them is reduced. Therefore, the building is prevented from collapsing due to an earthquake or the like.

[0016]

In the vibration damping device 11 configured as described above, the hydraulic damper 12 is connected to the lower panel 36.
When the brackets 16 and 20 are inserted into the space formed between the upper panel 37 and the upper panel 37, the brackets 16 and 20 face the panels 36 and 37.

Therefore, in the vibration damping device 11,
With the hydraulic damper 12 inserted between the lower panel 36 and the upper panel 37, the brackets 16 and 20 are
6 and 37, and then the mounting plates 24 and 26 are fixed to the brackets 16 and 20, and then the mounting plates 24 and 26 are fixed to the panels 36 and 37.

Therefore, an object of the present invention is to provide a vibration damping device which solves the above-mentioned problems.

[0019]

In order to solve the above problems, the present invention has the following features. Claim 1
The described invention is a hydraulic damper that is inserted between an upper panel and a lower panel attached to a structure and attenuates a relative displacement between the upper panel and the lower panel, and is connected to a piston rod end of the hydraulic damper. A first bracket for attaching the hydraulic damper to one of the upper panel and the lower panel; and a second bracket connected to a cylinder end of the hydraulic damper for attaching the hydraulic damper to the other of the upper panel and the lower panel. And the bracket of the first
At least one of the bracket and the second bracket has a mounting portion formed in a U shape so as to sandwich the front and rear surfaces of the upper panel or the lower panel.

Therefore, according to the first aspect of the present invention, at least one of the first bracket and the second bracket has a U-shaped cross section so as to sandwich the front and rear surfaces of the upper panel or the lower panel. Since the mounting portion is provided, it is not necessary to attach a mounting plate for holding the panel between the first bracket and the second bracket. According to a second aspect of the present invention, in the vibration damping device according to the first aspect, when the hydraulic damper is inserted in a state of being inclined between the upper and lower panels, the first bracket and the second bracket may be inserted. The end is inclined so as to be along the edge of the panel.

According to the second aspect of the present invention, since the ends of the first bracket and the second bracket are inclined along the edge of the panel, the hydraulic damper is inclined between the upper and lower panels. By inserting in a state where the panel is inserted, it is possible to mount it in the state of shipping from the factory, and it is not necessary to attach a mounting plate for holding the panel to the first bracket and the second bracket.

According to the third aspect of the present invention, there is provided the first aspect of the present invention.
The vibration damping device according to claim 1, wherein one end of the first bracket and the second bracket is connected to a cylinder end or a piston rod end of the hydraulic damper, and the other end is a cylinder end of the hydraulic damper or It extends in a direction away from the piston rod end.

According to the third aspect of the invention, the first bracket and the second bracket have one end connected to the cylinder end or the piston rod end of the hydraulic damper and the other end connected to the cylinder of the hydraulic damper. Because it extends in the direction away from the end or the end of the piston rod, it is possible to install the hydraulic damper as it is shipped from the factory by inserting it with the hydraulic damper inclined between the upper and lower panels,
The operation of attaching a mounting plate for holding the panel to the first bracket and the second bracket can be eliminated.

Further, the invention according to claim 4 is the same as the above-described claim 1.
The vibration damping device according to the above, wherein the mounting portion is provided such that a mounting surface facing the upper panel or the lower panel is slidable upward or downward along the upper panel or the lower panel. It is a feature. Therefore, claim 4
According to the described invention, the mounting portion is provided with the mounting surface facing the upper panel or the lower panel so as to be slidable in the upward or downward direction along the upper panel or the lower panel. It becomes possible to attach, and the operation | work which attaches the attaching plate which clamps a panel to a 1st bracket and a 2nd bracket can be made unnecessary.

[0025]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of one embodiment of a vibration damping device according to the present invention. FIG. 2 is a right side view of the vibration damping device shown in FIG. 1 and 2, the same parts as those in FIGS. 19 to 22 are denoted by the same reference numerals, and the description thereof will be omitted.

As shown in FIGS. 1 and 2, the vibration damping device 51 is configured to be installed in a wall of a general wooden house, and generally includes a hydraulic damper for damping horizontal vibrations. 12 and the end 14 of the cylinder 14 of the hydraulic damper 12
a first bracket 16 connected to the hydraulic damper 1
The second connected to the end 18a of the second piston rod 18
And a bracket 20. In FIGS. 1 and 2, at the time of shipment from the factory, a holding member that is laid between the first bracket 16 and the second bracket 20 is omitted.

The first bracket 16 and the second bracket 20 have attachment portions 16e and 20e formed in a U-shape when viewed from the side. These mounting portions 16e, 20e
Are horizontal portions 16f, 20f with which the edges 37a, 36a of the panels 37, 36 abut, front vertical portions 16g, 20g standing in front of the horizontal portions 16f, 20f, and horizontal portions 16g.
f, 20f, rear vertical portions 16h, 20h standing on the rear side
Consists of

Therefore, the mounting portions 16e and 20e are open in the left-right direction and the upper direction, and the panel 3 is viewed from the front-rear direction.
7, 36 are sandwiched. The distance between the front vertical portions 16g and 20g and the rear vertical portions 16h and 20h is set to be slightly larger than the thickness of the panels 37 and 36. Further, the front vertical portion 16g, 2
When the hydraulic damper 12 is tilted between the panels 37 and 36, the edge 37 of the panels 37 and 36
a, inclined portion 16 cut obliquely along the line 36a
i, 20i. The inclined portions 16i, 20i are reliefs formed so as not to come into contact with the edges 37a, 36a of the panels 37, 36 when the hydraulic damper 12 is inserted into the space formed between the panels 37, 36.

FIG. 3 is a front view for explaining the mounting operation of the vibration damping device 51. As shown in FIG.
When the vibration damping device 51 is mounted between the panels 37 and 36, the panels 37 and 3 are kept in a state where the hydraulic damper 12 is tilted.
Insert between six. At this time, the inclined portions 16i, 20i provided on the front vertical portions 16g, 20g extend along the edges 37a, 36a of the panels 37, 36.
Therefore, the front vertical portions 16g and 20g are connected to the panel 37,
Edge 37a, 36 of panel 37, 36 without abutting on
a.

As described above, by tilting the entire vibration damping device 51 in the counterclockwise direction, the inclined portions 16i, 20i of the front vertical portions 16g, 20g become edge portions 37a, 3 of the panels 37, 36.
6a, the edges 37 of the panels 37, 36 between the front vertical portions 16g, 20g and the rear vertical portions 16h, 20h.
a, 36a. In this inserted state, the entire damping device 51 is rotated clockwise to bring the hydraulic damper 12 and the brackets 16 and 20 to a horizontal state. As a result, the front vertical portions 16g and 20g are
The rear vertical portions 16h and 20h face the rear surfaces of the panels 37 and 36, respectively.

FIG. 4 is a front view showing a mounted state of the vibration damping device 51. FIG. 5 is a right side view showing an attached state of the vibration damping device 51. As shown in FIGS. 4 and 5, when the vibration damping device 51 is rotated from the inclined state to the horizontal state, the mounting portions 16 e and 20 e are moved to the edges 37 a of the panels 37 and 36.
36a. Then, the horizontal portions 16f, 20f of the mounting portions 16e, 20e are connected to the edges 37 of the panels 37, 36.
a, 36a in contact with the front vertical portions 16g, 20a.
g and small holes 2 provided in rear vertical portions 16h and 20h.
Insert a nail or wood screw through the front vertical section 16 and 32.
g, 20g and the rear vertical portions 16h, 20h to the panel 3
7, 36 fixed.

As described above, the vibration damper 51 uses the inclined portions 16i, 20i of the front vertical portions 16g, 20g to attach the U-shaped attachment portions 16e, 20e to the panels 37, 3.
6, it is not necessary to assemble the brackets 16 and 20 and a separate mounting plate on site. That is, the vibration damping device 51 can be mounted between the panels 37 and 36 in the factory shipping state, and the mounting operation can be easily performed, so that the vibration damping device 51 can be mounted in a short time.

FIG. 6 is a front view of a first modification of the present invention.
FIG. 7 is a right side view of the first modification of the present invention. FIG.
As shown in FIG. 7 and FIG. 7, the vibration damping device 61 includes a support portion 16 on the first bracket 16 and the second bracket 20.
d, 20d, and mounting portions 16e, 20e formed in a U-shape when viewed from the side. The mounting portions 16e, 2
0e denotes horizontal portions 16f, 20f with which the edges 37a, 36a of the panels 37, 36 abut, front vertical portions 16g, 20g standing in front of the horizontal portions 16f, 20f, and horizontal portions 1g.
Rear vertical portions 16h, 20 standing on the rear side of 6f, 20f
h.

The mounting portions 16e, 20e are connected to the horizontal portions 16f,
It is integrally fixed near one end of 20f. The other ends of the horizontal portions 16f and 20f are connected to the end 18a of the piston rod 18 and the cylinder 14 at both ends of the hydraulic damper 12, respectively.
Extends in a direction away from the end portion 14a of the main body. Therefore, in the vibration damping device 61, the brackets 16 and 20 are located at positions deviated from the vertical direction of the hydraulic damper 12, and the overall length in the horizontal direction is longer than the vibration damping device 51.

FIG. 8 is a front view for explaining the mounting operation of the vibration damping device 61. As shown in FIG.
When the vibration damping device 61 is mounted between the panels 37 and 36, the panels 37 and 3 are kept in a state where the hydraulic damper 12 is tilted.
Insert between six. At this time, the brackets 16 and 20 extending in the longitudinal direction from both ends of the hydraulic damper 12 are also mounted on the hydraulic damper 1.
2 is in a state of being inclined in parallel. Therefore, the brackets 16 and 20 are connected to the edges 37a and 36a of the panels 37 and 36, respectively.
Can pass between the panels 37 and 36 without abutting against the panel.

As described above, the brackets 16 and 20 that are tilted by tilting the entire vibration damping device 61 are connected to the edges of the panels 37 and 36 between the front vertical portions 16g and 20g and the rear vertical portions 16h and 20h. The parts 37a, 36a can be located. In this inserted state, the vibration damping device 61
The whole is rotated clockwise to bring the hydraulic damper 12 and the brackets 16, 20 to a horizontal state. Thus, the front vertical portions 16g and 20g face the front surfaces of the panels 37 and 36, and the rear vertical portions 16h and 20h face the rear surfaces of the panels 37 and 36.

FIG. 9 is a front view showing a mounted state of the vibration damping device 61. FIG. 10 is a right side view showing an attached state of the vibration damping device 61. As shown in FIGS. 9 and 10,
When the vibration damping device 61 is rotated from the inclined state to the horizontal state, the mounting portions 16 e and 20 e are moved to the edges 3 of the panels 37 and 36.
7a and 36a. Then, the mounting portions 16e, 2
In the state where the horizontal portions 16f and 20f of 0e are in contact with the edges 37a and 36a of the panels 37 and 36, the front vertical portions 16g and
A nail or a wood screw is inserted through the small holes 28 and 32 provided in the front vertical portion 20g and the rear vertical portions 16h and 20h.
6g, 20g and rear vertical portions 16h, 20h
7, 36 fixed.

As described above, since the brackets 16 and 20 are formed to extend in the direction away from both ends of the hydraulic damper 12 in the vibration damping device 61, the mounting portion 1 formed in a U-shape is provided.
6e and 20e can be inserted between the panels 37 and 36, and there is no need to assemble the brackets 16 and 20 and a separate mounting plate on site. That is, the vibration damping device 61
Can be mounted between the panels 37 and 36 in the state of shipment from the factory, and the mounting operation can be easily performed, so that the mounting can be performed in a short time.

FIG. 11 is a front view of a second modification of the present invention. FIG. 12 is a right side view of Modification 2 of the present invention. As shown in FIG. 11 and FIG.
The first bracket 16 has a rear vertical portion 16 j that stands vertically behind the hydraulic damper 12, a horizontal portion 16 k that extends in the horizontal direction, and a front hanging portion 16 m that extends vertically below the hydraulic damper 12. And

A slide plate 72 is provided in the front hanging portion 16m so as to be slidable in the vertical direction. The slide plate 72 is fixed by tightening a bolt 73 inserted into the front hanging portion 16m and a nut 74 screwed to the bolt 73. The slide plate 72 has bolts 7
A long hole 72a through which the third hole 3 is inserted is provided extending in the up-down direction. Therefore, the slide plate 72 can be slid up and down by loosening the bolt 73 and the nut 74.

When the vibration damping device 71 is shipped from the factory, the slide plate 72 is held in a state of being lowered as shown in FIG. The second bracket 20 has a support portion 20d and a mounting portion 20e having a U-shape when viewed from the side. This mounting part 20e
Is the horizontal portion 20 where the edge 36a of the lower panel 36 contacts.
f and a front vertical portion 20g hanging down the front side of the horizontal portion 20f.
And a rear vertical portion 20h hanging down from the rear of the horizontal portion 20f.

FIGS. 13A to 13C are right side views showing a procedure for mounting the vibration damping device 71. FIG. FIG. 14 is a front view showing an attached state of the vibration damping device 71. As shown in FIG. 13A, after the lower panel 36 is fixed to a beam (not shown) in an upright state, the second bracket 20 of the vibration damping device 71 is fixed to the lower panel 36. That is, the second
The fitting portion 20e of the bracket 20 is fitted to the edge 36a of the lower panel 36, and the horizontal portion 20f is brought into contact with the end face of the edge 36a.

In this mounting state, the front vertical portion 20g and the rear vertical portion 20g facing the front and rear surfaces of the lower panel 36 are arranged.
The front vertical portion 20g and the rear vertical portion 20h are fixed to the lower panel 36 by inserting a nail or a wood screw through the small hole 32 of h. Next, as shown in FIG. 13B, the upper panel 37 is fixed to the upper beam (not shown) with the upper panel 37 placed on the horizontal portion 16k of the first bracket 16. Subsequently, the rear vertical portion 16 of the first bracket 16
A nail or a wood screw is inserted through the small hole 28 of j to fix the rear vertical portion 16j to the rear surface of the upper panel 37.

Next, as shown in FIGS. 13C and 14, the bolt 73 and the nut 74 are loosened to
Slide 2 upward. Thereby, the slide plate 7
2 faces the front surface of the upper panel 37. Then, the bolt 73 and the nut 74 are tightened to hold the slide plate 72 at the raised position facing the upper panel 37. Subsequently, a nail or a wood screw is inserted into the small hole 72b of the slide plate 72 to fix the slide plate 72 to the front surface of the upper panel 37.

Thus, the mounting operation of the vibration damping device 71 is completed. As described above, the vibration damping device 71 includes the second bracket 2
After the fitting portion 20e of the first bracket 16 is fitted and fixed to the edge portion 36a of the lower panel 36, the rear vertical portion 16j of the first bracket 16 is fixed to the rear surface of the upper panel 37, and then the slide plate 72 is moved upward. In order to slide and fix the slide plate 72 to the front surface of the upper panel 37, the brackets 16, 2
There is no need to assemble a mounting plate separate from the one on site. That is, the vibration damping device 71 controls the panel 3 in the factory shipping state.
It is possible to mount the device between the positions 7 and 36, and the mounting operation can be easily performed.

FIG. 15 is a front view of a third modification of the present invention. FIG. 16 is a right side view of Modification 3 of the present invention. As shown in FIG. 15 and FIG.
Brackets 16 and 20 of the hydraulic damper 12 hang vertically behind rear vertical portions 16j and 20j, horizontal portions 16k and 20k extending in the horizontal direction, and vertically hang forward of the hydraulic damper 12. It has front vertical portions 16m and 20m.

The front vertical portions 16m and 20m have
Slide plates 82 and 83 are provided so as to be slidable in the vertical direction. The slide plates 82 and 83 are connected to the front vertical portion 16.
It is fixed by tightening a bolt 84 inserted through m and 20 m and a nut 85 screwed to the bolt 84. Also,
The slide plates 82, 83 are provided with elongated holes 82a, 83a through which bolts 84 are inserted, extending in the vertical direction. Therefore, the slide plates 82 and 83 can be slid in the vertical direction by loosening the bolts 84 and the nuts 85.

When the vibration damping device 81 is shipped from the factory, the slide plates 82 and 83 are held at a position close to the hydraulic damper 12 as shown in FIG. 83 end comrades are in contact. Therefore, the slide plates 82 and 83 can position the mounting position of the cylinder 14 and the piston rod 18 of the hydraulic damper 12 by abutting each other.

FIGS. 17A to 17D are right side views showing the procedure for mounting the vibration damping device 81. FIG. FIG. 18 is a front view showing an attached state of the vibration damping device 81. As shown in FIG. 17A, after the lower panel 36 is fixed to a beam (not shown) in an upright state, the second bracket 20 of the vibration damper 81 is fixed to the lower panel 36. That is, the second
The horizontal portion 20k of the bracket 20 is brought into contact with the edge 36a of the lower panel 36.

In this mounting state, a nail or a wood screw is inserted into the small hole 32 of the rear vertical portion 20j facing the rear surface of the lower panel 36, and the rear vertical portion 20j is lowered.
Fixed to. Next, as shown in FIG. 17B, the upper panel 37 is fixed to the upper beam (not shown) with the upper panel 37 placed on the horizontal portion 16k of the first bracket 16. Subsequently, a nail or a wood screw is inserted into the small hole 28 of the rear vertical portion 16j of the first bracket 16 to fix the rear vertical portion 16j to the rear surface of the upper panel 37.

Next, as shown in FIG. 17C, the bolt 84 and the nut 85 of the bracket 20 are loosened to slide the slide plate 83 downward. Thereby, the slide plate 83 faces the front surface of the lower panel 36. Then, the bolt 84 and the nut 85 are tightened, and the slide plate 8 is tightened.
3 is held in a lowered position facing the front surface of the lower panel 36. Subsequently, a nail or a wood screw is inserted into the small hole 83b of the slide plate 83 to fix the slide plate 83 to the front surface of the lower panel 36.

Next, as shown in FIGS. 17D and 18, the bolts 84 and nuts 85 of the bracket 16 are loosened to slide the slide plate 82 upward. Thus, the slide plate 82 faces the front surface of the upper panel 37. Then, the bolt 84 and the nut 85 are tightened to hold the slide plate 82 at the raised position facing the front surface of the upper panel 37. Subsequently, a nail or a wood screw is inserted into the small hole 82b of the slide plate 82 to fix the slide plate 82 to the front surface of the upper panel 37.

Thus, the mounting operation of the vibration damping device 81 is completed. As described above, the vibration damping device 81 includes the first bracket 1
6 and the rear vertical portion 16j, 20 of the second bracket 20
j is fixed to the rear surfaces of the panels 37 and 36, and then the slide plates 82 and 83 are slid up and down to make the slide plates 8
Since the brackets 2 and 83 are fixed to the front surfaces of the panels 37 and 36, there is no need to assemble the brackets 16 and 20 and a separate mounting plate on site. That is, the vibration damping device 81 can be mounted between the panels 37 and 36 in the factory shipping state, and the mounting operation can be easily performed, so that the vibration damping device 81 can be mounted in a short time.

In the above embodiment, the case where the vibration damping device of the present invention is installed in the wall of a wooden general house has been described as an example. However, the present invention is not limited to this, and is applicable to other buildings. Of course you can.

[0055]

As described above, according to the first aspect of the present invention, the cross section is U-shaped so that at least one of the first bracket and the second bracket sandwiches the front and rear surfaces of the upper panel or the lower panel. Because it has a mounting part formed in a shape,
The operation of attaching a mounting plate for holding the panel between the first bracket and the second bracket can be eliminated. Therefore, it is possible to mount the panel between the panels in the factory shipping state, and the mounting operation can be easily performed, so that the mounting can be performed in a short time.

According to the second aspect of the present invention, the first
Since the ends of the bracket and the second bracket are inclined along the edge of the panel, the hydraulic damper can be inserted in a state of being inclined between the upper and lower panels, so that the hydraulic damper can be mounted as it is when shipped from the factory. This eliminates the need to attach a mounting plate for holding the panel to the first bracket and the second bracket. Therefore, the mounting operation can be performed easily, and the mounting operation efficiency can be improved accordingly.

According to the third aspect of the present invention, the first
The bracket and the second bracket have one end connected to the cylinder end or the piston rod end of the hydraulic damper, and the other end extending in a direction away from the cylinder end or the piston rod end of the hydraulic damper, By inserting the hydraulic damper in a state where it is inclined between the upper and lower panels, it is possible to install it as it is when shipped from the factory,
The operation of attaching a mounting plate for holding the panel to the first bracket and the second bracket can be eliminated. Therefore, the mounting operation can be performed easily, and the mounting operation efficiency can be improved accordingly.

According to the fourth aspect of the present invention, the mounting portion is provided such that the mounting surface facing the upper panel or the lower panel is slidable upward or downward along the upper panel or the lower panel. Therefore, the mounting can be performed in the factory shipping state, and the operation of mounting the mounting plate for holding the panel between the first bracket and the second bracket can be eliminated. Therefore, the mounting operation can be performed easily, and the mounting operation efficiency can be improved accordingly.

[Brief description of the drawings]

FIG. 1 is a front view of an embodiment of a vibration damping device according to the present invention.

FIG. 2 is a right side view of the vibration damping device shown in FIG.

FIG. 3 is a front view for explaining an operation of attaching the vibration damping device 51.

FIG. 4 is a front view showing an attached state of the vibration damping device 51.

FIG. 5 is a right side view showing an attached state of the vibration damping device 51.

FIG. 6 is a front view of a first modification of the present invention.

FIG. 7 is a right side view of Modification Example 1 of the present invention.

FIG. 8 is a front view for explaining an attaching operation of the vibration damping device 61.

FIG. 9 is a front view showing an attached state of the vibration damping device 61.

FIG. 10 is a right side view showing an attached state of the vibration damping device 61.

FIG. 11 is a front view of a second modification of the present invention.

FIG. 12 is a right side view of Modification 2 of the present invention.

FIG. 13 is a right side view showing a procedure for mounting the vibration damping device 71.

FIG. 14 is a front view showing a mounted state of the vibration damping device 71.

FIG. 15 is a front view of a third modification of the present invention.

FIG. 16 is a right side view of a third modification of the present invention.

FIG. 17 is a right side view showing a procedure for mounting the vibration damping device 81.

FIG. 18 is a front view showing an attached state of the vibration damping device 81.

FIG. 19 is a front view of one embodiment of the vibration damping device filed by the present applicant earlier.

FIG. 20 is a rear view of the vibration damping device.

FIG. 21 is a left side view of the vibration damping device.

FIG. 22 is a front view showing an installed state of the vibration damping device 11;

[Explanation of symbols]

 12 Hydraulic damper 14 Cylinder 16 First bracket 16e, 20e Mounting part 16f, 20f Horizontal part 16g, 20g Front vertical part 16h, 20h Rear vertical part 16i, 20i Inclined part 16j, 20j Rear vertical part 16k, 20k Horizontal part 16 m, 20 m Front hanging part 18 Piston rod 20 Second bracket 33 Lower beam 34 Upper beam 35 Wall-shaped space 36 Lower panel 37 Upper panel 51, 61, 71, 81 Vibration control device 72, 82, 83 Slide plate 73, 84 Bolt 74,85 Nut

Continued on the front page (72) Inventor Junji Hashimoto 1116 Koizono, Ayase-shi, Kanagawa Prefecture Tokiko Co., Ltd. Sagami Plant (72) Inventor Yohei Katayama 1-6-3 Fujimi, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture Tokiko Corporation (72 ) Inventor Koji Fukui 1-6-3 Fujimi, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture Tokiko Co., Ltd. Hiroshi 1-6-3 Fujimi, Kawasaki-ku, Kawasaki-ku, Kanagawa Prefecture Tokiko Co., Ltd. 1116 Ichikoen, Tokiko Co., Ltd. Sagami Plant F-term (reference) 3J048 AA06 AC04 BE03 CB30 EA38 3J069 AA50 CC40 DD50

Claims (4)

[Claims] 1. A hydraulic damper inserted between an upper panel and a lower panel attached to a structure to attenuate relative displacement between the upper panel and the lower panel, and connected to an end of a piston rod of the hydraulic damper. A first bracket for attaching the hydraulic damper to one of the upper panel and the lower panel; and a second bracket connected to a cylinder end of the hydraulic damper for attaching the hydraulic damper to the other of the upper panel and the lower panel. Wherein at least one of the first bracket and the second bracket has a U-shaped mounting portion so as to sandwich the front and rear surfaces of the upper panel or the lower panel. Vibration control device. 2. The vibration damping device according to claim 1, wherein when the hydraulic damper is inserted in a state of being inclined between upper and lower panels, ends of the first bracket and the second bracket are attached to the hydraulic damper. A vibration damping device characterized by being inclined along the edge of the panel. 3. The vibration damping device according to claim 1, wherein the first bracket and the second bracket have one end connected to a cylinder end or a piston rod end of the hydraulic damper, and the other end. Extends in a direction away from a cylinder end or a piston rod end of the hydraulic damper. 4. The vibration damping device according to claim 1, wherein the mounting portion has a mounting surface facing the upper panel or the lower panel extending upward or downward along the upper panel or the lower panel. A vibration damping device provided slidably.