JP2019082039A - Bolt securing fixture of viscoelastic damper on vibration damping device and assembly method thereof - Google Patents

Abstract

To provide a bolt securing fixture to facilitate bolt securing between a plate and a vibration damping plate by installing a vibration damping device between a plurality of the vibration damping plates with a plurality of viscoelastic dampers pasted with viscoelastic material between a pair of the plates.SOLUTION: Bolt securing fixtures 20 extend along each of lines of second through holes in second plates 12 of viscoelastic dampers 10, 10 adjacent to each other in a longitudinal direction, wherein each of a plurality of cutout 21, 21 is arranged at a respective positions correspond with each of the second through holes which can hold each of a plurality of bolts 15 inserted in each of the second through holes from its inside in an orthogonal configuration to the second plate 12.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a bolt fixing jig used when assembling a vibration control apparatus using a plurality of visco-elastic dampers, and a method of assembling a vibration control apparatus using the bolt fixing jig.

In recent years, it has been known that a structure such as a reinforced concrete structure adopts a vibration control structure in which a vibration control device is attached to a frame surface surrounded by columns and beams to attenuate energy at the time of vibration.
This vibration control device comprises a first vibration control plate attached to a column or beam parallel to the frame surface, and a second vibration control member disposed parallel to the first vibration control plate at a predetermined distance and attached to the beam or column One having a diaphragm and a visco-elastic body bonded to both of the first and second vibration control plates is often used. In particular, in Patent Document 1, as a visco-elastic damper, a unit obtained by bonding a visco-elastic body between a pair of rectangular plates overlapping in a thickness direction in a cross direction is a first vibration control plate and a second vibration control plate. There is disclosed a vibration control apparatus in which a plurality of plates are disposed adjacent to each other and fixed by bolts.

JP 2005-133533 A

In the above conventional vibration control device, when the viscoelastic damper is attached between the first vibration control plate and the second vibration control plate, one plate of the viscoelastic damper is bolted to the first vibration control plate, and Will be bolted to the second damping plate. At this time, although bolt fixing of the plate to the side of the first vibration control plate can be performed without any problem, bolt fixing of the plate to the side of the second vibration control plate is carried out (2) A bolt is penetrated from the outside of the vibration control plate to the second vibration control plate and plate, and screwed into a nut provided on the inside of the plate Then, it will be screwed into the nut outside the second vibration control plate.
However, if the plate thickness is reduced for cost reduction, it is difficult to place a nut between the plates and fasten the bolt from the outside, and in particular, positioning the nuts between adjacent viscoelastic dampers Have difficulty.
Therefore, a bolt is made to penetrate the plate and the second vibration control plate from the inside of the plate, and fastening is performed with a nut from the outside of the second vibration control plate. At this time, it penetrates the plate and protrudes outward. The direction of the bolts is not uniform and not uniform, making it difficult to pass all the bolts through the through holes of the second vibration control plate, which takes time and effort.

  Therefore, in the present invention, when a plurality of visco-elastic dampers formed by bonding a visco-elastic body between a pair of plates are attached between a plurality of vibration control plates attached to the frame surface of a building, the plates are assembled It is an object of the present invention to provide a bolt fixing jig capable of easily performing bolt fixing with the vibration control plate and a method of assembling a vibration control apparatus using the bolt fixing jig.

In order to achieve the above object, the invention according to claim 1 comprises a first plate extending in a first direction and having first through holes at both ends in the first direction, and a second plate orthogonal to the first direction. Extending in the same direction and polymerizing to the first plate, and being interposed between the second plate having the second through holes at both ends in the second direction and the overlapping portion of the first plate and the second plate And a plurality of visco-elastic dampers disposed adjacent to each other in the first direction and / or the second direction.
A first vibration control plate having a first attachment portion extending in one of a first direction and in which a first plate or a second plate of each viscoelastic damper is fixed by a bolt via a first through hole or a second through hole When,
A second mounting portion extending in the other of the first direction is disposed parallel to the first vibration damping plate, and the second plate or the first plate of each viscoelastic damper is disposed via the second through hole or the first through hole. And a second vibration control plate fixed by a bolt.
With the first plate or the second plate of each viscoelastic damper fixed to the first vibration control plate or the second vibration control plate with a bolt, the second plate or the first plate is the second vibration control plate or the first vibration control It is a jig for bolt fixing used when fixing to a plate with a bolt, and
Each second through hole or each first through hole extends along the second through holes or the rows of the first through holes of the second plate or the first plate of the plurality of visco-elastic dampers adjacent in the second direction or the first direction. A bolt holding portion capable of holding a plurality of bolts inserted from the inside into the respective second through holes or the respective first through holes at positions perpendicular to the second plate or the first plate at positions corresponding to the through holes. It is characterized in that it is provided.
The invention according to claim 2 is that, in the configuration according to claim 1, the bolt holding portion is formed at a position corresponding to each second through hole or each first through hole on the longitudinal side along the row It is characterized in that there are a plurality of notches in which the shaft portion of can be fitted.
The invention according to claim 3 is the configuration according to claim 1 or 2, wherein a protrusion projecting in the second direction or the first direction from the first vibration control plate and the second vibration control plate in a state in which each bolt is held. It is characterized by having.
The invention according to claim 4 is the structure according to any one of claims 1 to 3, further comprising a bolt holding portion extending along the first row of each second through hole or each first through hole. And a second jig having a bolt holding portion extending along the second row of the second through holes adjacent to and parallel to the first row or the first through holes. It is characterized by becoming.
The invention according to claim 5 is characterized in that, in the configuration according to claim 4, the first jig and the second jig are detachable from each other.
The invention according to a sixth aspect is characterized in that, in the configuration according to any one of the first to fifth aspects, the positioning portion which engages with the first vibration control plate or the second vibration control plate is provided.
The invention according to a seventh aspect is characterized in that, in any one of the first to sixth aspects, a plurality of bolt holding portions are provided.
In order to achieve the above object, the invention according to claim 8 comprises a first plate extending in a first direction and having first through holes at both ends in the first direction, and a second plate orthogonal to the first direction. Extending in the same direction and polymerizing to the first plate, and being interposed between the second plate having the second through holes at both ends in the second direction and the overlapping portion of the first plate and the second plate And a plurality of visco-elastic dampers disposed adjacent to each other in the first direction and / or the second direction.
A first vibration control plate having a first attachment portion extending in one of a first direction and in which a first plate or a second plate of each viscoelastic damper is fixed by a bolt via a first through hole or a second through hole When,
A second mounting portion extending in the other of the first direction is disposed parallel to the first vibration damping plate, and the second plate or the first plate of each viscoelastic damper is disposed via the second through hole or the first through hole. And a second vibration control plate fixed by a bolt.
Fixing the first plate or the second plate of each visco-elastic damper to the first vibration control plate or the second vibration control plate with bolts inserted from the inside to the respective second through holes or the respective first through holes The first step of
B) bolting the second plate or the first plate to the second damping plate or the first damping plate;
In the second step, each bolt inserted from the inside into each second through hole or each first through hole is used for bolt fixing of the viscoelastic damper in the vibration control device according to any one of claims 1 to 7. A jig is used to hold the second plate or first plate in an orthogonal posture, and after each bolt is penetrated through each through hole provided in the second damping plate or the first damping plate, for fixing the bolt A jig is removed and a nut is fastened to each bolt.

According to the present invention, when a plurality of visco-elastic dampers formed by bonding a visco-elastic body between a pair of plates are attached between a plurality of damping plates attached to the frame surface of a structure to assemble a damping device, In the case of passing the bolt from the inside to the plate and the second vibration control plate and fastening with the nut from the outside of the second vibration control plate, the jig for fixing the bolt is used to penetrate the plate to the outside The projecting bolts can be held in an orthogonal orientation with the plate. Therefore, all the bolts can be inserted into the through holes of the vibration control plate in a short time, and the plate can be fixed easily to the vibration control plate.
In particular, according to the second aspect of the present invention, in addition to the above-mentioned effects, the bolt holding portion of the bolt fixing jig may be formed of each second through hole or each first through hole on the longitudinal side along the row By forming a plurality of notches in which the shaft portions of the bolt can be respectively fitted to corresponding positions, the bolt holding portion can be easily formed, and the shaft portion can be easily attached and detached.
In particular, according to the third aspect of the present invention, in addition to the above effects, the bolt fixing jig holds the respective bolts in the second direction or the second direction from the first vibration control plate and the second vibration control plate. Since there is a protrusion projecting in one direction, the bolt fixing jig can be easily removed after the nut is temporarily fixed to each bolt, and the workability becomes better.
In particular, according to the fourth aspect of the invention, in addition to the above effect, the bolt fixing jig extends along the first row of each second through hole or each first through hole to be a bolt holding portion A second jig having a bolt holding portion extending along the second row of each second through hole adjacent to the first row in parallel with the first row and each first through hole. By including the tool, two rows of bolts can be held at one time by one bolt fixing jig, and the working efficiency is improved.
In particular, according to the fifth aspect of the present invention, in addition to the above effects, the first jig and the second jig of the bolt fixing jig are detachable from each other, so that they are separated as necessary. The first jig and the second jig can be used alone or both can be used in combination, resulting in better usability.
In particular, according to the invention set forth in claim 6, in addition to the above effect, the bolt fixing jig is provided with a positioning portion which engages with the first vibration control plate or the second vibration control plate, thereby fixing the bolt. Setting of the jig to the appropriate position can be easily performed, and improvement in work efficiency can be expected.
In particular, according to the invention as set forth in claim 7, in addition to the above effects, the bolt fixing jig is flexible in the direction of use by providing a plurality of steps of bolt holding portions on mutually different sides, Usability becomes better.

It is explanatory drawing of a middle plate, (A) is a front, (B) shows a bottom, respectively. It is explanatory drawing of a viscoelastic damper, (A) is a front, (B) shows a bottom, respectively. It is a front view which shows the state which arrange | positioned the viscoelastic damper in the middle plate and bolt-fixed the 1st plate. It is a front view of a jig for bolt fixation. It is explanatory drawing of the state which inserted the volt | bolt into the 2nd plate from the inside, and was hold | maintained with the jig | tool for bolt fixation, (A) shows a front, (B) shows a side, respectively. It is an enlarged view of the bolt holding part in FIG. 5 (B). It is explanatory drawing which shows the state which piled up the side plate and has temporarily fixed the nut to the volt | bolt, (A) shows a front, (B) shows a side, respectively. It is an enlarged view of the nut temporary stop part in FIG. 7 (B). It is explanatory drawing which shows the state which removed the jig | tool for bolt fixation and tightened the nut fully, (A) is a front, (B) shows a side, respectively. It is a partial side view of the vibration control apparatus which attached the side plate to the both sides of the middle plate. It is a front view of the jig for bolt fixation of a modification. It is a front view which shows the state which hold | maintained the volt | bolt using the jig for bolt fixation of a modification. It is a front view of the jig for bolt fixation of a modification, and (A) shows the example which formed the same notch up and down, and the example which formed the different notch up and down, respectively (B). It is a partial side view which shows the state which hold | maintained the volt | bolt using the fixing jig of the example of a change.

Hereinafter, embodiments of the present invention will be described based on the drawings.
FIG. 1 is an explanatory view of a mid plate 1 forming a vibration control apparatus, in which (A) shows a front, and (B) shows a bottom. The middle plate 1 is a steel plate having a vertically-long rectangular shape in a front view, and the lower side is a lower attachment portion 2 in which a plurality of stud bolts (not shown) are erected and attached in a concrete structure. Ru. Here, the screw holes for attaching the visco-elastic damper are omitted. The side plate 4 (FIG. 7) described later also has the same size and shape as the middle plate 1, but the thickness is thinner than the middle plate 1, and a plurality of stud bolts (not shown) are provided on the upper side to make concrete The upper mounting portion 5 is mounted in the structure. Here, the vertical direction in FIG. 1A is the first direction, and the horizontal direction is the second direction.

FIG. 2 is an explanatory view of the viscoelastic damper 10, in which (A) shows a front, and (B) shows a bottom.
This visco-elastic damper 10 is a visco-elastic material which is interposed between two plates 11 and 12 made of steel plates having a rectangular shape in a front view and both plates 11 and 12 and is bonded to both plates 11 and 12 The body 13 is provided. The second plate 12 is formed to have a longer dimension than the first plate 11 and a larger thickness. Here, the second plate 12 having the longitudinal direction in the lateral direction is superimposed on the first plate 11 having the longitudinal direction in the vertical direction, and the viscoelastic body 13 having a rectangular shape in a front view at the overlapping portion. It is glued. A pair of first through holes 11a and 11a are respectively formed along the short sides at both ends in the longitudinal direction of the first plate 11 projecting from the overlapping portion, and both ends in the longitudinal direction of the second plate 12 projecting similarly from the overlapping portion Also, a pair of second through holes 12a, 12a are respectively formed along the short side.

A total of four viscoelastic dampers 10 are attached in the vertical direction and in the lateral direction between the middle plate 1 and the pair of side plates 4 overlapping on both sides in the thickness direction, and the vibration control device is assembled. Hereinafter, the method of assembling the vibration control apparatus will be described in detail.
First, as shown in FIG. 3, four viscoelastic dampers 10, 10,... At this time, in the viscoelastic dampers 10 and 10 vertically adjacent to each other, the first plates 11 and 11 are vertically continuous with each other, and in the viscoelastic dampers 10 and 10 horizontally adjacent to each other, the second plates 12 12 horizontally Arrange so as to be continuous in the direction. In addition, although not shown in FIG. 3, at this stage, as shown in FIG. 6 in advance, the second through holes 12a, 12a of each second plate 12 are provided with bolts 15, 15. The shaft portion 17 is inserted from the inside of the second plate 12 with the head portion 16 on the side and is made to project from the second plate 12.
In this state, bolts 14 and 14 are penetrated from above from the upper side to the first through holes 11a and 11a at the upper and lower ends of the first plate 11 of each viscoelastic damper 10, and screw holes 3 and 3 provided in the middle plate 1 (see FIG. 6) Screw in. Thereby, each first plate 11 is first fixed to the middle plate 1 (first step).

  Here, the bolts 15, 15 ··· are inserted into the second through holes 12a of each second plate 12, and the shaft portion 17 is inserted from the inside of the second plate 12 with the viscoelastic body 13 side as the head portion 16 Thus, the directions of the shaft portions 17 of the bolts 15 protruding from the second plate 12 vary only by making them project from the second plate 12, and all the shaft portions 17 are not in the orthogonal posture with respect to the second plate 12, It is difficult to stack the side plates 4 and insert them into the corresponding through holes 6 (FIG. 8) as it is. Therefore, as shown in FIGS. 5 and 6, the bolt fixing jig 20 is used here.

  As shown in FIG. 4, the bolt fixing jig 20 is a band-shaped plate whose entire length in the longitudinal direction is larger than the lateral width of the middle plate 1 and is formed of, for example, resin or metal. At the position of the second through holes 12a, 12a, ... of the second plates 12, 12 of the visco-elastic dampers 10, 10 fixed to the middle plate 1 and aligned left and right on one longitudinal side of the jig 20 for bolt fixing In addition, the notches 21 capable of being fitted with the shaft portion 17 of the bolt 15 are formed in an inverted C shape with the outside opened.

  As shown in FIG. 5, the jigs 20 for bolt fixing are disposed in the left and right direction by bringing them into contact with the upper surfaces (outer surfaces) of the second plates 12, 12 of the left and right viscoelastic dampers 10, The notch 21 is fitted to the shaft portion 17 which projects from the second plate 12. Then, as shown also in FIG. 6, each bolt 15 is supported by the bolt fixing jig 20 and is held in a posture in which the shaft portion 17 is orthogonal to the second plate 12. If holding by the bolt fixing jig 20 is performed on the columns of the bolts 15, 15... Aligned in the left and right direction on the upper and lower sides of the second plates 12, 12, the shaft portions 17 of all the bolts 15 The two bolt fixing jigs 20 project from the second plate 12 at right angles.

In this state, as shown in FIGS. 7 and 8, the side plates 4 are overlapped from above the viscoelastic dampers 10, 10. Are temporarily fixed to the shaft portions 17 outside the side plate 4 by penetrating the shaft portions 17 of the bolts 15 through the holes 6, 6.
Then, the bolt fixing jig 20 is removed from each bolt 15 and pulled out from between the second plate 12, 12... And the side plate 4. Each of the bolt fixing jigs 20 has a length for forming the projecting portions 22 and 22 projecting from the left and right of the intermediate plate 1 in the holding state of the bolt 15, so that bolt fixing is performed using the projecting portions 22. The jig 20 can be easily removed.
Finally, if a nut 18 is fully tightened to each bolt 15, as shown in FIG. 9, the second plate 12 of each visco-elastic damper 10 is fixed to the side plate 4 by the bolt 15 The side plates 4 are connected via 10 (second step).

On the other hand, also on the back surface of the intermediate plate 1, similarly, the four viscoelastic dampers 10 are arranged with the intermediate plate 1 turned over, and the first plates 11 are first fixed to the intermediate plate 1 with the bolts 14 (1st step). At this time, the positions of the first through holes 11 a and the screw holes 3 are shifted to the left or right so that the bolt 14 on the back side does not interfere with the bolt 14 fixing the first plate 11 on the front side. Also, at this stage, the bolts 15 are made to penetrate the second through holes 12a from the inside of the second plate 12 in advance and project outward.
After bolting the first plate 11, the bolt 15 is made to project outward from the inside of the second plate 12 through the second through hole 12 a in the orthogonal posture using the bolt fixing jig 20 as well. Hold it.
Then, after overlapping the side plates 4 on the opposite side and making the bolts 15 penetrate the through holes 6 and temporarily fixing the nuts 18, remove the bolt fixing jig 20 and fully tighten the nuts 18 (second process) .
Thereby, as shown in FIG. 10, the side plate 4 is also connected to the back surface of the middle plate 1 via the viscoelastic damper 10, and a plurality of viscosities are respectively provided between the pair of side plates 4 and 4 sandwiching the middle plate 1 The vibration control device 40 in which the dampers 10 are interposed is obtained.

  As described above, according to the assembling method of the bolt fixing jig 20 and the vibration damping device 40 of the above embodiment, each second through hole is provided at a position corresponding to each second through hole 12 a in the bolt fixing jig 20. Since the bolt holding portion (notches 21) capable of holding the plurality of bolts 15 inserted from the inside in a position perpendicular to the second plate 12 is provided, the first plate 11 of each viscoelastic damper 10 In the second step of fixing the second plate 12 to the side plate 4 with the bolts 15 after the first step of fixing the middle plate 1 with the bolts 14, the bolts 15 are inserted from the inside into the respective second through holes 12a, Each inserted bolt 15 is held in a posture perpendicular to the second plate 12 using a bolt fixing jig 20, and each bolt 15 is penetrated through each through hole 6 provided in the side plate 4 and then fixed. Jig 2 It can be performed in the procedure for fastening the nut 18 to each bolt 15 to remove the. Therefore, all the bolts 15 can be inserted into each through hole 6 of the side plate 4 in a short time, and the bolt fixation between the second plate 12 and the side plate 4 can be easily performed.

Particularly in this case, since the bolt holding portions are respectively formed at positions corresponding to the respective second through holes 12a in the longitudinal side and the shaft portions 17 of the bolts 15 are respectively fittable into a plurality of notches 21, The part can be easily formed, and the shaft part 17 can be easily attached and detached.
Further, since the bolt fixing jig 20 has the projecting portions 22 and 22 protruding in the left and right direction from the middle plate 1 and the side plate 4 while holding the respective bolts 15, the nuts 18 are temporarily attached to the respective bolts 15. Removal of the bolt fixing jig 20 after stopping can be easily performed, and the workability becomes better. However, the projecting portion 22 may be provided only at one end side instead of both ends.

As in the above embodiment, the bolt fixing jig has one row of notches 21 corresponding to the second through holes 12a, 12a,... Not limited to.
For example, as in a bolt fixing jig 20A shown in FIG. 11, an upper jig having notches 21 corresponding to the second through holes 12a, 12a,. , And a lower jig 24 having notches 21 corresponding to one row of second through holes 12a, 12a, ... arranged in the lower side on the lower longitudinal side, an upper jig 23 and a lower It is good also as a frame shape which consists of the joining parts 25 and 25 of the up-and-down direction which connect the right and left ends with the side jig 24.
Thus, the upper jig 23 extending along the first row of the second through holes 12a and holding the bolts 15 and the second of the second through holes 12a adjacent to the first row in parallel The lower side jig 24 extends along the lower row and includes the lower side jig 24. The bolt fixing jig 20A includes two upper and lower rows of bolts 15, 15 with one bolt fixing jig 20A. · · Can be held at once, resulting in good work efficiency.

Further, in the bolt fixing jig 20A, the left and right coupling portions 25 are divided up and down, and by the fitting of the convex portion 26 provided on one side and the concave portion 27 provided on the other side, coupling is possible in a detachable manner. It is done.
Thus, if the upper jig 23 and the lower jig 24 can be attached to and detached from each other, the upper jig 23 and the lower jig 24 separated as needed may be used alone or may be combined. It can be used and the usability is better.
In addition, when not dividing | segmenting up and down, it is good also as a laterally long rectangular board which formed the row | line | column of the notch 21, 21 ... not in frame shape but in the upper and lower sides.

  Further, as in the bolt fixing jig 20B shown in FIG. 12, the projecting portions 22 of the end sides of the plurality of bolt fixing jigs 20 arranged in the vertical direction are connected by the connecting portion 28 in the vertical direction. May be In this manner, after temporarily fixing the nut 18, all the bolt fixing jigs 20 can be pulled out at once by the connecting portion 28. The connecting portion 28 may be separately provided so as to be detachable from the projecting portion 22.

In addition, as in the bolt fixing jig 20C shown in FIG. 13A, a row of notches 21, 21. As described above, if the bolt holding portion is provided in two stages on different sides, it can be used in either the upper or lower direction, so that the direction in use is flexible and the usability is better.
Further, as in the bolt fixing jig 20D shown in FIG. 13B, even if a row of notches 21a, 21a,... Having different sizes corresponding to the different diameter bolts 15 is formed on the lower side. Good. This two-step formation can be adopted for the lower side of the upper jig 23 and the upper side of the lower jig 23 even in the frame shape of FIG. Moreover, not only the form which divides a notch of different diameter into an up-and-down side but a notch of different diameter can also be put in order and provided in the horizontal direction by the same side.
Thus, if a plurality of bolt holding portions by the notches 21 and bolt holding portions by the notches 21a are formed in a plurality of rows, one bolt fixing lever can be fixed with respect to a plurality of damping devices 40 having different diameters of the bolts 15 used. While being able to cope with tool 20D, the ease of use is improved, and the manufacturing cost and management effort of bolt fixing jig 20D are reduced.
In addition, in common with the above-mentioned form and each modification, the shape of the notch is not limited to the inverted C shape, and it may be a U shape, a keyhole shape or the like as long as the shaft portion of the bolt can be held.

  The bolt fixing jig is not limited to one provided with a notch for holding the shaft portion of the bolt, and the second plates 12 and 12 arranged vertically as in the bolt fixing jig 20E shown in FIG. A band in which locking pieces 29, 29 are formed at the upper and lower ends, respectively, for locking the upper end of the upper second plate 12 and the lower end of the lower second plate 12 at the upper and lower ends thereof. In the state of locking the locking pieces 29, 29 to the upper and lower second plates 12 in the form of a plate, they extend vertically inside the second plate 12, and the head 16 of each bolt 15 and the middle plate 1 It is also conceivable to have a bolt holder 30 fitted as a spacer between them. Also in this case, when the bolt holding portion 30 causes the respective head portions 16 to abut on the second plate 12 from the inside, the shaft portion 17 is in an orthogonal posture with respect to the second plate 12.

Also in this bolt fixing jig 20E, projections may be formed on both the upper and lower ends to protrude laterally from the middle plate 1 and the side plate 4 in a front view to facilitate removal after temporary fastening, Two bolt holding portions 30, 30 fitted between the head 16 and the middle plate 1 with respect to a row of a plurality of bolts 15 vertically adjacent to each other between the left and right viscoelastic dampers 10, 10 May be provided. In this case, the two bolt holders 30, 30 may be detachably coupled.
Then, in each of the bolt fixing jigs 20 and 20A to 20E, a positioning portion which engages with the middle plate 1 or the side plate 4 at an appropriate position for holding the bolt 15 can be provided. As this positioning portion, as a projection such as a pin provided on a bolt fixing jig, a structure in which this projection is engaged with a recess or a through hole provided on the middle plate or the side plate can be considered. A projection may be provided on the middle plate or the side plate, and a recess or a through hole may be provided on the bolt fixing jig.
As described above, when the positioning portion is provided on the bolt fixing jig, setting of the bolt fixing jig to the appropriate position can be easily performed, and improvement of the working efficiency can be expected.

In addition, the number and arrangement of the viscoelastic dampers are not limited to the above embodiment, and the numbers of the upper, lower, left and right may be increased or decreased. The first plate may be arranged horizontally and the second plate may be arranged vertically. In the second process, the bolts protruding from the inside at the upper and lower ends of the second plate may be held by a bolt fixing jig disposed in the left-right direction or the up-down direction.
In the first step, the second plate is bolted to the middle plate via the second through hole, and in the second step, the first plate is fixed to the side plate using the bolt fixing jig via the first through hole. There is no problem even if it is bolted to Also in this case, the second plate may be oriented in the lateral direction or the vertical direction, and the first plate may be oriented in the vertical direction or the lateral direction perpendicular thereto.

  Furthermore, in the above embodiment, the procedure is described in which the visco-elastic damper and the side plate are attached to one side of the middle plate, but for example, in the state where the bolt is inserted from the inside of the second plate With the first plate of the elastic damper fixed by bolts and the bolts inserted from the inside of each surface of the second plate held by the jig for fixing the bolts, the pair of side plates are fixed by the bolts and nuts respectively The assembly method is not limited to the above-described embodiment as long as the bolt holding jig is used to hold the bolts, for example, in the order in which they are performed. In this case, in particular, instead of fixing the first plates on both sides of the middle plate with different bolts by changing the positions of the first through holes and the screw holes, the two first plates are penetrated with the middle plate interposed therebetween. It does not matter if it is fixed with a single bolt and nut.

And in the above-mentioned form, although it is a damping system with which a pair of side boards is provided on both sides of a middle board via a visco-elastic damper, it is not restricted to this, 1 side of one middle board is 1 The present invention is applicable even to a structure in which a single side plate is provided via a viscoelastic damper.
In addition, the upper side of the first damping plate such as the middle plate may be the mounting portion, and the lower side of the second damping plate such as the side plate may be the mounting portion.

  1 · · Middle plate (first vibration control plate), 2 · · Lower mounting portion (first mounting portion), 3 · · Screw hole, 4 · · Side plate (second vibration control plate), 5 · · Upper mounting portion (2nd attachment part) 6 · · · Through hole 10 · · · Viscoelastic damper 11 · · First plate 11a · · First through hole 12 · · Second plate 12a · · second through hole, 13 · · Viscoelastic body, 14 · 15 · · Bolts, 16 · · · Head · 17 · · · · · · · · · · · · · · · 20 20A to 20E · · · jig for fixing bolts, 21 21a · · · cut Notch (bolt holding portion), 22 · · · · · · · · · · upper jig (first jig), · · · lower jig (second jig), 25 · · · · · · · · · ··· Protrusions, 27 · · · · · · · · · · · · · · · · · · · · 30 · · · · · · · · 30 · · · · · · · · · · · · · · · · · · · · · · · · anti-vibration device

Claims (8)

A first plate that extends in a first direction and has first through holes at both ends in the first direction, extends in a second direction orthogonal to the first direction, and is superposed on the first plate; A second plate having second through holes at both ends in the direction, and a visco-elastic body interposed between the overlapping portion of the first plate and the second plate and adhered to both plates A plurality of visco-elastic dampers disposed adjacent to each other in the first direction and / or the second direction;
A first attachment portion extending in one of the first directions, and the first plate or the second plate of each of the visco-elastic dampers is fixed by a bolt via the first through hole or the second through hole The first vibration control plate,
The second plate or the first plate of each of the visco-elastic dampers is disposed in parallel with the first vibration control plate, and has a second attachment portion extending in the other of the first direction. A second vibration control plate fixed by a bolt through the first through hole;
In a vibration control device including
The second plate or the first plate is fixed to the first plate or the second plate in a state in which the first plate or the second plate of each of the viscoelastic dampers is fixed to the first damper plate or the second damper plate by bolts. It is a jig for bolt fixation used when bolting to a vibration control plate or the first vibration control plate,
The second plate or the first plate of the plurality of visco-elastic dampers adjacent in the second direction or the first direction extends along the second through holes of the first plate or the row of the first through holes, At positions corresponding to the second through holes or the respective first through holes, a plurality of bolts inserted from the inside into the respective second through holes or the respective first through holes can be used as the second plate or the first plate. A jig for fixing a bolt of a vibration control unit in a vibration control device, comprising a bolt holding portion that can be held in a posture perpendicular to a plate.   The bolt holding portion is formed at a position corresponding to each second through hole or each first through hole on a longitudinal side along the row, and a plurality of notches in which the shaft portion of the bolt can be fitted The bolt fixing jig of the viscoelastic damper in the vibration control device according to claim 1, wherein   The projection according to claim 1 or 2, further comprising: a projection that protrudes from the first vibration control plate and the second vibration control plate in the second direction or the first direction while holding the bolts. Jigs for fixing bolts of viscoelastic dampers in vibration control equipment.   A first jig provided with the bolt holding portion and extending along a first row of each of the second through holes or each of the first through holes, and each of the first jigs parallel to the first row 4. The method according to any one of claims 1 to 3, further comprising: 2 through holes or a second jig including the bolt holding portion extending along the second row of the first through holes. The jig for bolt fixation of the visco-elastic damper in the vibration control device described in 4.   The bolt fixing jig for a viscoelastic damper according to claim 4, wherein the first jig and the second jig are detachable from each other.   The bolt fixing jig of the viscoelastic damper in the vibration control device according to any one of claims 1 to 5, further comprising: a positioning portion engaged with the first vibration control plate or the second vibration control plate. .   The jig for bolt fixing of the vibration control unit in the vibration control device according to any one of claims 1 to 6, wherein the bolt holding portions are provided in a plurality of stages on different sides. A first plate that extends in a first direction and has first through holes at both ends in the first direction, extends in a second direction orthogonal to the first direction, and is superposed on the first plate; A second plate having second through holes at both ends in the direction, and a visco-elastic body interposed between the overlapping portion of the first plate and the second plate and adhered to both plates A plurality of visco-elastic dampers disposed adjacent to each other in the first direction and / or the second direction;
A first attachment portion extending in one of the first directions, and the first plate or the second plate of each of the visco-elastic dampers is fixed by a bolt via the first through hole or the second through hole The first vibration control plate,
The second plate or the first plate of each of the visco-elastic dampers is disposed in parallel with the first vibration control plate, and has a second attachment portion extending in the other of the first direction. A second vibration control plate fixed by a bolt through the first through hole;
A method of assembling a vibration control device comprising
The first plate or the second plate of each of the visco-elastic dampers is used as the first vibration control plate or the first plate in a state in which the bolt is inserted from the inside into each of the second through holes or each of the first through holes. 2) a first step of bolting to the vibration control plate,
A second step of bolting the second plate or the first plate to the second damping plate or the first damping plate;
The viscoelastic damper in a vibration control device according to any one of claims 1 to 7, wherein, in the second step, each of the bolts inserted from the inside into each of the second through holes or each of the first through holes. The bolt fixing jig is used to hold the second plate or the first plate in an orthogonal posture with each of the bolts in each of the through holes provided in the second vibration control plate or the first vibration control plate. After the bolt fixing jig is removed, and a nut is fastened to each of the bolts.

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