JP5481352B2 - Constraint device, bearing device, and method of manufacturing bearing structure - Google Patents

Description

  The present invention relates to a restraining device, a bearing device, and a method for manufacturing a bearing structure.

Conventionally, for example, a bearing device as shown in Patent Document 1 below is known. The bearing device includes a sliding plate disposed between the lower structure and the upper structure and fixed to the lower structure, and a bearing slidably disposed on the sliding plate and fixed to the upper structure. And a body.
Further, this bearing device includes a restraining device that restrains relative sliding between the sliding plate and the bearing body, for example, during construction work. The restraint device has a metal fitting with a length connecting the flange portion provided to the support body and the connected portion located outside the slip plate in the fixed plate to which the slide plate is fixed. Both end portions of the connecting metal are connected to the flange portion and the connected portion by bolts.
In this restraining device, the sliding plate is fixed to the lower structure, the support is fixed to the upper structure, and a support structure is formed in which the upper structure is supported on the lower structure by the support device. Thereafter, the sliding plate and the support body are removed in order to release the restriction of relative sliding.

JP 2005-48523 A

However, the conventional restraint device has a problem that the operation of releasing the relative sliding restraint between the sliding plate and the support body is complicated.
That is, when the restraining device is removed in order to release the restraint, the support device is located between the upper structure and the lower structure. Therefore, in order to release the connection between the inner end of the metal fitting and the flange, it is necessary to go between the upper structure and the lower structure to remove the bolts, which makes it difficult to secure the work space. It takes. Further, at this time, since the inner end portion of the connecting member is connected with the bolt, usually, for a long period of about six months to one year, for example, there is a possibility that the bolt is fixed and difficult to remove.

  The present invention has been made in view of the above-described circumstances, and an object thereof is to provide a restraining device capable of easily releasing the restraint of relative sliding between the sliding plate and the support body. It is.

In order to solve the above problems, the present invention proposes the following means.
A restraint device according to the present invention includes a sliding plate disposed between a lower structure and an upper structure and fixed to the lower structure, and slidably disposed on the sliding plate and fixed to the upper structure. A restraint device for restraining relative sliding between the inner end portion of the support body and the inner end portion of the support body so as to be detachable, and an outer end portion of the lower structure body being more than the sliding plate. It comprises at least three restraining members that are detachably connected to a connected portion located outside and are spaced apart from each other in the circumferential direction, and an inner end of the restraining member is abutted against the support body. It is connected.

  According to the present invention, the inner end portion of the restraining member is abutted against and connected to the support body, so that the inner end portion can be connected to the support body by abutting from the outside in the radial direction, The inner end portion can be released and released by pulling the inner end portion away from the support body in the radial direction. As a result, the inner end of the restraint member can be connected to the support body or the support body without inserting and removing the bolt in the narrow work space around the support body by entering between the upper structure and the lower structure. It is possible to remove the restraint device, and it is possible to easily release the restraint of the relative sliding between the sliding plate and the support body by simplifying the attaching / detaching operation of the restraining device.

  Further, among the restraining members, an intermediate portion located between the inner end portion and the outer end portion is formed separately from the inner end portion and the outer end portion, and the inner end portion And the outer end portion may be detachably fitted from above.

  In this case, the intermediate portion of the restraining member is formed separately from the inner end portion and the outer end portion, and is fitted between the both end portions so as to be freely detachable from above. Can be successful.

  Further, the outer end portion of the restraining member may be coupled by engaging from the inside in the radial direction with a protruding portion protruding upward from a fixed surface to which the sliding plate is fixed.

  In this case, since the outer end portion of the restraining member is connected to the projecting portion by engaging from the inside in the radial direction, the outer end portion can be connected to the fixed surface by being arranged from above. The connection can be released and released by pulling the outer end portion upward from the fixed surface. Thereby, it becomes possible to connect the outer end part of a restraint member to the said to-be-connected part irrespective of a volt | bolt, and the attachment or detachment operation | work of a restraint apparatus can be performed still more easily.

  In addition, the cover member is provided over the entire circumference in the radial direction of the support body and covers the sliding plate from above, and the cover member includes the inner end portion and the outer end portion in each of the restraining members. It may be connected to an intermediate part located between the two.

In this case, since the cover material is provided, the slip plate can be protected by the cover material.
Moreover, since the cover material is connected to the intermediate portion of each restraining member, the positional relationship of the restraining member can be held with high accuracy by this cover material. Thereby, relative sliding with a sliding board and a support body can be restrained reliably.

  Further, the support device according to the present invention includes a fixing plate that is disposed between the lower structure and the upper structure and is fixed to the lower structure, and is fixed on the fixing plate. A sliding plate fixed to the structure, a support body slidably disposed on the sliding plate and fixed to the upper structure, and the restraining device, and the outer end of the restraining member is It is connected to the to-be-connected portion via the fixed plate, and the relative sliding of the slide plate and the support body is restricted by the restraining device.

  According to this invention, since the relative sliding of the slide plate and the support body is restrained by the restraining device, the restraining device can be easily attached and detached, and workability can be improved. .

  Further, the manufacturing method of the support structure according to the present invention includes a sliding plate disposed between the lower structure and the upper structure and fixed to the lower structure, and slidably disposed on the sliding plate. A manufacturing method of a support structure, wherein a support structure comprising a support structure fixed to an upper structure and a restraint device, and forming a support structure in which the upper structure is supported on the lower structure, A fixing step of fixing the sliding plate to the lower structure and fixing the support body to the upper structure, and after the fixing step, the inner end of each restraining member is connected to the support body, And a release step of releasing the connection between the outer end portion of each restraining member and the connected portion.

According to the present invention, in the releasing step performed after the fixing step, the connection between the outer end portion of each restraining member and the connected portion is released, whereby the relative sliding between the sliding plate and the support body by the restraining device is performed. The movement restriction is released.
Here, as described above, since the cover material is connected to the intermediate portion of each restraining member, the intermediate portion of each restraining member can be caused to act as a framework member of the cover material by performing the releasing step. That is, when the sliding plate and the support body slide relative to each other, the support body, the cover material, and the inner end portion and the intermediate portion of the restraining member move together. Thereby, in this support structure, a slip board can be protected by a cover material.
Further, when releasing the relative sliding restraint between the sliding plate and the support body, it is not necessary to release the connection between the inner end portion of each restraining member and the support body, and the release of the restraint is further simplified. It can be carried out.

According to the restraint device according to the present invention, it is possible to easily release the relative sliding restraint between the sliding plate and the support body.
Moreover, according to the support apparatus which concerns on this invention, workability | operativity can be improved.
Furthermore, according to the manufacturing method of the support structure which concerns on this invention, the cancellation | release of the restraint of relative sliding with a sliding board and a support body can be performed more simply.

It is a side view including the partial cross section in the support structure which concerns on 1st Embodiment of this invention. It is a top view including the partial cross section in the support structure shown in FIG. It is a side view explaining the attachment or detachment operation | work of the restraint apparatus in the support structure shown in FIG. It is a side view including the partial cross section in the support structure which concerns on 2nd Embodiment of this invention. It is a top view including the partial cross section in the support structure which concerns on 3rd Embodiment of this invention. It is a side view including the partial cross section in the support structure shown in FIG. It is a side view including the partial cross section in the support structure which concerns on 4th Embodiment of this invention.

(First embodiment)
Hereinafter, a support structure according to a first embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the support structure 1 is configured such that the upper structure B is supported on the lower structure A by a sliding support (support device) 2 disposed between the lower structure A and the upper structure B. Being done.
The sliding support 2 is disposed between the lower structure A and the upper structure B, and is fixed to the lower structure A. The slide support 2 is fixed on the fixed plate 3, and the The relative relationship between the slide plate 4 fixed to the lower structure A, the support member 5 slidably disposed on the slide plate 4 and fixed to the upper structure B, and the slide plate 4 and the support member 5 And a restraining device 6 that restrains sliding.
In addition, the support body 5 is formed in a columnar shape, and in the following, a direction orthogonal to the central axis of the support body 5 is referred to as a radial direction, and a direction around the central axis is referred to as a circumferential direction.

The fixing plate 3 is fixed to a lower base part A1 provided on the upper surface of the lower structure A with fixing bolts 3a. The head (protruding portion) 3b of the fixing bolt 3a protrudes upward from the upper surface (fixing surface) 3d to which the sliding plate 4 is fixed in the fixing plate 3, and is positioned below the upper surface of the sliding plate 4. Yes.
The sliding plate 4 is made of, for example, stainless steel. Note that a synthetic resin layer having a smooth surface may be formed on the upper surface of the sliding plate 4 by, for example, a synthetic resin material obtained by polymerizing polytetrafluoroethylene.

  As shown in FIG. 2, the fixed plate 3 is formed in a rectangular shape in the top view of the lower structure A, and in the illustrated example, the fixed plate 3 is formed in a square shape, and the sliding plate 4 is smaller in octagonal shape than the fixed plate 3. In the example shown in FIG. The sliding plate 4 is arranged coaxially with the fixed plate 3, and the four corners 3 c of the fixed plate 3 are exposed from the sliding plate 4 in a triangular shape. Each of these four corners 3c is provided with the fixing bolt 3a, and two fixing bolts 3a are provided at each corner 3c at intervals in the circumferential direction.

  As shown in FIG. 1, the support body 5 is slidably disposed on the sliding plate 4, a laminated rubber 8 fixed to the upper surface of the sliding member 7, and fixed to the upper surface of the laminated rubber 8. And a flange 9 fixed to the upper base B1 provided on the lower surface of the upper structure B. The sliding bearing 2 is a so-called elastic sliding bearing. The sliding member 7 is formed in a disc shape with a smooth lower surface made of, for example, a synthetic resin material obtained by polymerizing polytetrafluoroethylene, and the sliding member 7, the laminated rubber 8, and the flange 9 have larger outer diameters in this order. It has become. Thereby, the support body 5 is formed in the multistage pillar shape.

  As shown in FIG. 2, the restraining device 6 includes four (at least three) restraining members 10 that extend radially outward from the support body 5 and are spaced apart from each other in the circumferential direction. Yes. These four restraining members 10 are arranged at equal intervals in the circumferential direction, and are located on the diagonal line of the fixed plate 3 in the illustrated example.

  The restraining member 10 includes an inner end portion 11 that is detachably connected to the support body 5, an outer end portion 12 that is detachably connected to the fixing plate 3, and an inner end portion 11 and an outer end portion 12. And an intermediate part 13 positioned. In the present embodiment, the inner end portion 11, the outer end portion 12 and the intermediate portion 13 are configured separately.

  The outer end portion 12 of the restraining member 10 is disposed at each corner portion 3c of the fixed plate 3, and the top view shape of the outer end portion 12 is an isosceles trapezoidal shape whose width decreases toward the outer side in the radial direction. It has become. The outer end portion 12 covers the entirety of the fixing bolt 3a excluding the portion located outside in the radial direction from above.

As shown in FIG. 1, the outer end 12 is located on the outer side of the sliding plate 4 in the lower structure A by engaging the head 3 b of the fixing bolt 3 a from the inside in the radial direction. And it is connected via a fixed plate 3 to a connected portion A2 located inside the outer peripheral edge of the fixed plate 3. A bolt recess 15 is formed on the lower surface of the outer end portion 12 so as to be fitted on the head 3b of the fixing bolt 3a. The bolt recess 15 opens to the outside in the radial direction, and the inner surface of the bolt recess 15 is engaged with the head 3b of the fixing bolt 3a from the inside in the radial direction.
In the illustrated example, the lower portion of the inner end surface facing the inner side in the radial direction at the outer end portion 12 abuts against the side surface of the sliding plate 4 from the outer side in the radial direction and the inner end portion in the radial direction at the outer end portion 12. The upper surface is formed with a recess that opens inward in the radial direction.

  In this embodiment, the inner end portion 11 of the restraining member 10 is connected by being abutted against the support body 5 as shown in FIG. The shape of the inner end portion 11 as viewed from above is a rectangular shape having a constant width regardless of the position in the radial direction, and the inner end surface facing the inner side in the radial direction at the inner end portion 11 is provided inside the support body 5. The sliding member 7 is a bearing recess 16 that is fitted from the inside in the radial direction. The curvature of the inner surface of the support recess 16 is equivalent to the curvature of the outer peripheral surface of the sliding member 7. As shown in FIG. 1, the lower surface of the inner end portion 11 is in contact with the upper surface of the sliding plate 4, and the inner end portion 11 can slide on the sliding plate 4.

  Further, the intermediate portion 13 of the restraining member 10 is detachably fitted between the inner end portion 11 and the outer end portion 12 from above. The size along the radial direction of the intermediate portion 13 is equivalent to the size along the radial direction of the interval between the inner end portion 11 and the outer end portion 12. The lower surface of the intermediate portion 13 is in contact with the upper surface of the sliding plate 4, and the intermediate portion 13 can slide on the sliding plate 4. The intermediate portion 13 is provided with an inner protruding plate 18 that protrudes radially inward and an outer protruding plate 19 that protrudes radially outward. The inner protruding plate 18 is the inner end portion. 11 and the outer projecting plate 19 is disposed on the inner surface of the concave portion of the outer end portion 12.

  Next, a method of attaching the restraining device 6 and restraining relative sliding between the sliding plate 4 and the support body 5 by the restraining device 6 in the sliding bearing 2 configured as described above will be described.

The restraining step of restraining relative sliding between the slide plate 4 and the support body 5 by the restraining device 6 in this way fixes the slide plate 4 to the lower structure A via the fixing plate 3 and supports the support body. 5 may be performed before the fixing step of fixing the upper structure B to the upper structure B, or may be performed after fixing the fixing plate 3 to the lower structure A and before fixing the support body 5 to the upper structure B.
Among these, when the restraining step is performed before the fixing step, for example, the relative sliding between the sliding plate 4 and the bearing body 5 can be restrained before the sliding bearing 2 is shipped from the factory. Thereby, the sliding support 2 can be conveyed in the state which restrained the relative sliding of the sliding board 4 and the support body 5. FIG.

First, as shown in FIG. 3, the inner end 11 of each of the plurality of restraining members 10 is connected to the support body 5 and the outer end 12 is connected to the fixed plate 3. At this time, the inner end portion 11 is abutted against the sliding member 7 of the support body 5 from the outside in the radial direction, and the inner surface of the support body recessed portion 16 is brought into contact with the outer peripheral surface of the sliding member 7. Further, the outer end portion 12 is disposed on the fixing plate 3 from above, and the inner surface of the bolt recess 15 is connected by contacting the head 3b of the fixing bolt 3a.
Thereafter, the intermediate portion 13 of each restraining member 10 is fitted between the inner end portion 11 and the outer end portion 12 from above and disposed on the sliding plate 4, and the inner protruding plate 18 is placed on the inner end portion 11. The outer projecting plate 19 is disposed on the outer end portion 12.
Thus, the attachment of the restraining device 6 is completed.

  Next, a method of removing the restraining device 6 from the sliding bearing 2 and releasing the relative sliding restraint between the sliding plate 4 and the bearing body 5 will be described. Note that the step of removing the restraining device 6 in this way is performed, for example, after the support structure 1 is formed.

First, as shown in FIG. 3, the intermediate portion 13 of each of the plurality of restraining members 10 is pulled away from the sliding plate 4 and separated from between the inner end portion 11 and the outer end portion 12.
Then, the inner end portion 11 of each restraining member 10 is detached from the support body 5 and the outer end portion 12 is detached from the fixing plate 3. At this time, the inner end portion 11 is slid radially outward on the sliding plate 4, for example, to be separated from the sliding member 7 of the support body 5 in the radial direction, and the inner surface of the support body recess 16 is slipped. By separating from the outer peripheral surface of the member 7, the connection is released and released. Further, the outer end portion 12 is pulled away from the fixing plate 3 and the inner surface of the bolt recess 15 is separated from the head 3b of the fixing bolt 3a to release the connection and release.
Thus, the removal of the restraining device 6 is completed.

  As described above, according to the restraint device 6 according to the present embodiment, the inner end portion 11 of the restraining member 10 is abutted against and connected to the support body 5, so that the inner end portion 11 is connected to the support body 5. Can be connected by abutting from the outside in the radial direction, and can be released and released by pulling the inner end portion 11 away from the support body 5 in the radial direction. Thus, the inner end portion 11 of the restraining member 10 can be attached to the support body 5 without entering and leaving the upper structure B and the lower structure A and performing a bolt mounting / removal operation in a narrow work space around the support body 5. Can be connected to the support body 5 or detached from the support body 5, and the attachment and detachment work of the restraining device 6 can be simplified, and the release of the relative sliding restraint between the slide plate 4 and the support body 5 can be easily performed. Can be done.

  Further, since the outer end portion 12 of the restraining member 10 is connected to the head portion 3b of the fixing bolt 3a by engaging from the inside in the radial direction, the outer end portion 12 is disposed on the fixing plate 3 from above. And the outer end 12 can be released and released by pulling the outer end 12 upward from the fixed plate 3. As a result, the outer end portion 12 of the restraining member 10 can be connected to the fixing plate 3 without using bolts, and the attaching / detaching operation of the restraining device 6 can be performed more easily.

  Further, since the intermediate portion 13 of the restraining member 10 is formed separately from the inner end portion 11 and the outer end portion 12, and is fitted between the both end portions 11 and 12 so as to be freely removable from above, The above-described effects can be reliably achieved.

  Furthermore, in this embodiment, since the inner end 11 of the restraining member 10 is slidable on the slide plate 4, when the inner end 11 is detached from the support body 5, the inner end 11 is It can be slid radially outward on the sliding plate 4. As a result, the inner end portion 11 can be detached from the support body 5 without being separated upward from the slide plate 4, and the slip plate 4 can be damaged by dropping the inner end portion 11 onto the slide plate 4. Can be suppressed.

  And according to the sliding bearing 2 which concerns on this embodiment, since the relative sliding of the sliding board 4 and the support body 5 is restrained by the said restraint apparatus 6, it can attach or detach the restraining apparatus 6 simply. It becomes possible, and workability can be improved.

(Second Embodiment)
Next, the support structure of 2nd Embodiment which concerns on this invention is demonstrated with reference to FIG.
In the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, description thereof is omitted, and only different points will be described.

As shown in FIG. 4, the restraining device 32 of the sliding bearing 31 provided in the bearing structure 30 of this embodiment includes a laminated rubber restraining body 33 that restrains deformation of the laminated rubber 8 in the radial direction. The laminated rubber restraint body 33 is detachably attached to each of the plurality of restraining members 10 and is in contact with the outer peripheral surface of the laminated rubber 8.
The laminated rubber restraint body 33 is detachably attached to the inner end portion 11 of the restraining member 10 and extends upward from the inner end portion 11. The laminated rubber restraint body 33 is formed in a plate shape extending along both the vertical direction and the radial direction, and the size along the vertical direction gradually decreases from the inner side to the outer side in the radial direction. ing.

  As described above, according to the restraining device 32 according to the present embodiment, since the laminated rubber restraining body 33 is provided, the deformation of the laminated rubber 8 of the support body 5 can be restrained.

The laminated rubber restraint 33 is not limited to that shown in the present embodiment, and the configuration can be changed as appropriate. For example, the laminated rubber restraint body 33 has a vertical member portion that extends in the vertical direction and contacts the outer peripheral surface of the laminated rubber 8, and a transverse member portion that extends radially outward from the lower end of the vertical member portion. The structure provided with a character material and the reinforcing material which connects the vertical material part and horizontal material part of this L-shaped material may be sufficient.
In the present embodiment, the laminated rubber restraint body 33 is detachably attached to the restraining member 10. However, the laminated rubber restraint body 33 may be formed integrally with the restraining member 10 and may not be detached from the restraining member 10.

(Third embodiment)
Next, the support structure of 3rd Embodiment which concerns on this invention is demonstrated with reference to FIG. 5 and FIG.
In the third embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, description thereof is omitted, and only different points will be described.

  As shown in FIG. 5, the slide support 41 provided in the support structure 40 of the present embodiment is disposed over the entire circumference on the outer side in the radial direction of the support body 5, and covers the slide plate 4 from above. It has. The cover material 42 is connected to the intermediate portion 13 of each restraining member 10.

  In the present embodiment, the shape of the cover member 42 in a top view is a square shape that covers the sliding plate 4 from above over the entire surface and covers the fixing plate 3 from above over almost the entire surface. An arrangement hole 43 in which the support body 5 is arranged is formed in the part. The inner diameter of the arrangement hole 43 is equal to the outer diameter of the laminated rubber 8 of the support body 5. The cover material 42 can be formed of, for example, a panel material or a flexible sheet material.

  The cover material 42 is divided into four in the circumferential direction. In the example shown in the figure, the cover material 42 is divided along four dividing lines 44 that extend in the radial direction through the restraining member 10 and is divided into four equal parts in the circumferential direction. Has been. The four cover components 45 obtained by dividing the cover material 42 in this way gradually increase in size along the circumferential direction from the inner side to the outer side in the radial direction.

Each cover structure 45 is connected from above by connecting means (not shown) to each of the intermediate portions 13 of the two restraining members 10 adjacent in the circumferential direction. As this connection means, a screw member, a pin member, etc. are employable, for example.
As shown in FIG. 6, in the present embodiment, the outer end surface facing radially outward in the intermediate portion 13 of the restraining member 10 extends along the vertical direction and extends to the outer end portion 12 over the entire length in the vertical direction. It contacts from the inside in the radial direction.

As described above, according to the sliding bearing 41 according to the present embodiment, since the cover member 42 is provided, the sliding plate 4 can be protected by the cover member 42.
Further, since the cover material 42 is connected to the intermediate portion 13 of each restraining member 10, the positional relationship of the restraining member 10 can be held with high accuracy by the cover material 42. Thereby, the relative sliding of the sliding plate 4 and the support body 5 can be restrained reliably.

  In addition, each cover structure 45 is not restricted to what was shown to the said embodiment, What is necessary is just to be connected with the intermediate part 13 of the two or more restraint members 10 adjacent in the circumferential direction among the four restraint members 10. FIG. . For example, the cover structure 45 may be configured by dividing the cover material 42 into two or three, and the sizes of the cover structures 45 in the circumferential direction may be different from each other. Further, the peripheral ends of the cover structure 45 may overlap each other.

(Fourth embodiment)
Next, the support structure of 4th Embodiment which concerns on this invention is demonstrated with reference to FIG.
In the fourth embodiment, the same components as those in the third embodiment are denoted by the same reference numerals, description thereof is omitted, and only different points will be described.

  As shown in FIG. 7, in the support structure 50 of the present embodiment, the connection between the outer end portion 12 of each restraining member 10 and the fixing plate 3 is released. In the illustrated example, the outer end portion 12 is the fixing plate. Has been withdrawn from 3. As described above, the connection between the outer end portion 12 of the restraining member 10 and the fixed plate 3 is released, so that the relative sliding restraint between the sliding plate 4 and the support body 5 by the restraining device 6 is released. .

  Here, as described above, since the cover member 42 is connected to the intermediate portion 13 of each restraining member 10, the intermediate portion 13 of each restraining member 10 can act as a framework member of the cover member 42. That is, when the sliding plate 4 and the support body 5 slide relative to each other, the support body 5, the cover material 42, and the inner end portion 11 and the intermediate portion 13 of the restraining member 10 move together. At this time, the inner end portion 11 is sandwiched between the support body 5 and the intermediate portion 13.

The bearing structure 50 configured as described above is formed in the inner end portion of the restraining member 10 as shown in FIG. 7 after the fixing process and the restraining process are performed to form the bearing structure 40 as shown in FIG. In a state in which 11 is connected to the support body 5, a release process for releasing the connection between the outer end portion 12 of the restraining member 10 and the fixing plate 3 is performed.
In the illustrated example, at this time, the outer end 12 is detached from the fixed plate 3 to release the connection between the outer end 12 and the fixed plate 3. Here, in the present embodiment, the outer end surface of the intermediate portion 13 of the restraining member 10 extends along the vertical direction and contacts the outer end portion 12 from the inside in the radial direction over the entire length in the vertical direction. As described above, the detaching operation for detaching the outer end portion 12 from the fixing plate 3 is not easily inhibited by the intermediate portion 13.

As described above, according to the support structure 50 according to the present embodiment, it is possible to cause the intermediate portion 13 of each restraining member 10 to act as a framework member of the cover member 42 as described above. In this case, the sliding plate 4 can be protected by the cover material 42.
In addition, when the relative sliding restraint between the sliding plate 4 and the support body 5 is released, it is not necessary to release the connection between the inner end portion 11 of each restraining member 10 and the support body 5, and the restraint Release can be performed more easily.

The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, in the above-described embodiment, the restraining devices 6 and 32 include the four restraining members 10. However, the restraining devices 6 and 32 are not limited thereto as long as at least three restraining members 10 are provided.

  In the above embodiment, the sliding bearings 2, 31, 41 are so-called elastic sliding bearings in which the bearing body 5 includes the laminated rubber 8. However, the present invention is not limited to this. For example, the sliding bearings 2, 31 are provided. , 41 is a so-called rigid sliding bearing, and the bearing body 5 may have a rigid body made of, for example, a metal material instead of the laminated rubber 8.

  Moreover, in the said embodiment, although the inner end part 11 of the restraint member 10 was abutted and connected with the sliding member 7 of the support body 5, if it was abutted and connected with the support body 5, good. For example, when the sliding member 7 of the support body 5 is fixed to the laminated rubber 8 via a holder (not shown), the inner end portion 11 may be abutted against and connected to the holder. Further, the inner end portion 11 may be abutted against and connected to the laminated rubber 8 or the flange 9 of the support body 5.

Moreover, in the said embodiment, although the outer end part 12 of the restraint member 10 covered the whole except for the part located in the radial direction outer side among the said fixing bolts 3a, it was restricted to this. Instead, the entire fixing bolt 3a may be covered from above, and the fixing bolt 3a may not be covered from above.
Furthermore, in the said embodiment, although the outer end part 12 of the restraint member 10 shall be engaged with the head 3b of the fixing bolt 3a, if it engages with what protrudes upward from the upper surface 3d of the fixing plate 3, It is not limited to this. For example, a dedicated member with which the outer end 12 of the restraining member 10 is engaged may be provided. Further, for example, when the restraining step is performed before the fixing step, an eyebolt used to suspend the fixing plate 3 during the fixing step is attached to the fixing plate 3 before the restraining step, and the head of the eyebolt The outer end portion of the restraining member 10 may be engaged with the portion.
Furthermore, in the above embodiment, the outer end 12 is connected to the head 3b of the fixing bolt 3a by engaging from the inside in the radial direction. However, the present invention is not limited to this. The outer end 12 may be connected to the fixed plate 3 by connecting means such as a bolt.

In the above embodiment, the intermediate portion 13 of the restraining member 10 is formed separately from the inner end portion 11 and the outer end portion 12, and is detachably fitted between the end portions 11 and 12 from above. However, the present invention is not limited to this. For example, the restraining member 10 may be one in which the inner end portion 11, the outer end portion 12, and the intermediate portion 13 are integrally formed.
In this case, as in the support structure 50 shown in the fourth embodiment, in order for the intermediate portion of the restraining member to act as a framework member of the cover material, the connection between the outer end portion and the fixing plate is released. The outer end portion may not be detached from the fixed plate. In this case, when the sliding plate and the support body slide relative to each other, the entire support body, cover material, and restraint member (inner end portion, outer end portion and intermediate portion) move together. Become.

In the above embodiment, the inner protruding plate 18 is provided in the intermediate portion 13 of the restraining member 10, but the inner protruding plate 18 may not be provided.
Furthermore, in the said 1st Embodiment and the said 2nd Embodiment, although the outer protrusion board 19 shall be provided in the intermediate part 13, the outer protrusion board 19 does not need to be provided. Furthermore, in the third embodiment and the fourth embodiment, the outer end surface of the intermediate portion 13 of the restraining member 10 extends along the vertical direction and extends radially to the outer end portion 12 over the entire length in the vertical direction. Although it is assumed that they are in contact from the inside, the present invention is not limited to this, and an outer protrusion plate 19 may be provided in the intermediate portion 13.

  Moreover, in the said embodiment, although the outer end part 12 of the restraint member 10 shall be fixed to the to-be-connected part A2 of the lower structure A via the fixing plate 3, it is not restricted to this. For example, the outer end portion 12 of the restraining member 10 is positioned on the outer side in the radial direction from the fixed plate 3 and is removably connected to the connected portion positioned on the outer side of the fixed plate 3 in the lower structure A. Also good. In this case, after the sliding plate 4 is fixed to the lower structure A, the restraining device 6 is attached. In this case, the fixing plate 3 may be omitted.

  In addition, it is possible to appropriately replace the constituent elements in the embodiment with known constituent elements without departing from the spirit of the present invention, and the above-described modified examples may be appropriately combined.

1, 30, 40, 50 Bearing structure 2, 31, 41 Sliding bearing 3 Fixing plate 3b Head (protruding part)
3d Top surface (fixed surface)
4 Sliding plate 5 Support body 6, 32 Restraining device 7 Sliding member 10 Restraining member 11 Inner end 12 Outer end 13 Intermediate part 42 Cover material A Lower structure A2 Connected part B Upper structure

Claims (6)

Relative relationship between a slide plate disposed between the lower structure and the upper structure and fixed to the lower structure, and a support member slidably disposed on the slide plate and fixed to the upper structure A restraining device for restraining general sliding,
An inner end portion is detachably connected to the support body, and an outer end portion is detachably connected to a connected portion located outside the slide plate in the lower structure, and is spaced apart from each other in the circumferential direction. Comprising at least three restraining members arranged
An inner end portion of the restraining member is abutted against and connected to the support body. The restraint device according to claim 1,
Among the restraining members, an intermediate portion located between the inner end portion and the outer end portion is formed separately from the inner end portion and the outer end portion, and the inner end portion and the A restraint device that is detachably fitted from above with an outer end portion. The restraint device according to claim 1 or 2,
An outer end portion of the restraining member is coupled by engaging from a radially inner side a projecting portion projecting upward from a fixed surface to which the sliding plate is fixed. The restraint device according to any one of claims 1 to 3,
The cover body is disposed over the entire circumference in the radial direction of the support body, and includes a cover material that covers the sliding plate from above,
The cover member is connected to an intermediate portion located between the inner end portion and the outer end portion in each of the constraint members. A fixing plate disposed between the lower structure and the upper structure and fixed to the lower structure;
A sliding plate fixed on the fixing plate and fixed to the lower structure through the fixing plate;
A support body slidably disposed on the sliding plate and fixed to the upper structure;
A restraint device according to any one of claims 1 to 4,
The outer end portion of the restraining member is connected to the connected portion via the fixing plate,
Relative sliding between the sliding plate and the support body is restricted by the restraining device. A sliding plate disposed between the lower structure and the upper structure and fixed to the lower structure;
A support body slidably disposed on the sliding plate and fixed to the upper structure;
A restraint device according to claim 4, wherein the support device is a manufacturing method of a support structure that forms a support structure in which the upper structure is supported on the lower structure.
Fixing the sliding plate to the lower structure and fixing the support to the upper structure;
A release step of releasing the connection between the outer end portion of each restraining member and the connected portion in a state where the inner end portion of each restraining member is connected to the support body after the fixing step. The manufacturing method of the support structure characterized by the above-mentioned.

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