Movement regulation device and support structure including the same

Abstract

To provide a movement regulation device capable of switching between a support state in which relative movement of an upper structure relative to a lower structure is regulated and a support state in which displacement of the upper structure relative to the lower structure in a planar view direction is permitted, and to provide a support structure including the movement regulation device.SOLUTION: In a support structure 1, two slide support devices 10 capable of sliding in a slide direction along a slide surface and a movement regulation device 40 which regulates relative movement between an upper structure 100 and a lower structure 110 are disposed between the upper structure 100 and the lower structure 110. The movement regulation device 40 has: an upper shoe 50 fixed to a bottom surface of the upper structure 100; and a lower shoe 60 fixed to an upper surface of the lower structure 110 and is provided with fixing bolts B which eliminate relative movement regulation by the movement regulation device 40.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to, for example, a support structure disposed between an upper structure and a lower structure and supporting the upper structure with the lower structure, and a movement restricting device used for the support structure.

Background Art

[0002] Conventionally, in structures where vibrations or relative displacements occur, such as in seismic isolation structures, bridges, or connection parts connecting fixed structures, there is a sliding support device that slidably supports on the interface between an upper bolster fixed to the upper structure and a lower bolster fixed to the lower structure, that is, the sliding surface, and there is a support structure in which the sliding support device is disposed between the upper structure and the lower structure.

[0003] For example, as shown in Patent Document 1, in a support structure in which a support device is disposed between an upper structure and a lower structure, there is a case where a sliding support device that can slide in all directions or a predetermined direction along the sliding surface and a pin support device in which sliding along the sliding surface direction is restricted and only rotation is allowed are used in combination.

[0004] In the support structure configured in this way, the upper structure rotates and moves around the pin support device as the rotation center, and the other sliding support devices slide along the sliding surface following the rotational movement, and the lower structure can support the upper structure that rotates and moves.

[0005] However, in such a support structure, although the upper structure that rotates and moves can be supported by the lower structure, for example, due to changes in the situation or use of the structure, etc., it is not possible to correspond to a support state in which the relative movement of the upper structure with respect to the lower structure is restricted and a support state in which displacement in the plan view direction of the upper structure with respect to the lower structure is allowed.

Prior Art Documents

Patent Documents

[0006]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0007] Therefore, an object of the present invention is to provide a movement restricting device capable of switching between a support state for restricting relative movement of the upper structure with respect to the lower structure and a support state for allowing displacement in the plan view direction of the upper structure with respect to the lower structure, and a support structure provided with the movement restricting device.

Means for Solving the Problems

[0008] This invention is characterized in that between an upper structure and a lower structure, at least two sliding support devices slidable in a sliding direction along a sliding surface, and a movement restricting device for restricting relative movement between the upper structure and the lower structure are arranged. The movement restricting device includes a convex member having a convex portion protruding toward the other in one of the opposing portions of the respective opposing portions of the upper structure and the lower structure, and a convex fixing portion for fixing the convex portion to the opposing portion, and a restricting member having a restricting component for restricting relative movement of the convex member in the sliding direction in the other of the opposing portions of the respective opposing portions of the upper structure and the lower structure, and a restricting fixing portion for fixing the restricting component to the opposing portion, and a restricting release mechanism for canceling relative movement restriction in the movement restricting device.

[0009] The present invention also relates to a movement restricting device disposed between an upper structure and a lower structure together with at least two sliding support devices slidable along a sliding direction along a sliding surface, restricting relative movement between the upper structure and the lower structure, having, on one of the opposing portions of the respective opposing portions of the upper structure and the lower structure, a convex portion protruding toward the other and a convex fixing portion for fixing the convex portion to the opposing portion, a restricting member having, on the other of the opposing portions of the respective opposing portions of the upper structure and the lower structure, a restricting configuration portion for restricting relative movement of the convex member in the sliding direction and a restricting fixing portion for fixing the restricting configuration portion to the opposing portion, and a restricting release mechanism for releasing the relative movement restriction in the movement restricting device.

[0010] The above-described upper structure and lower structure may be, for example, a building having a building as the upper structure and a foundation structure as the lower structure, a bridge having bridge piers as the lower structure and a main girder as the upper structure, a connecting passage having a building as the lower structure and a connecting corridor connecting buildings as the upper structure, a roof structure having columns as the lower structure and a truss roof as the upper structure, or a structure in an expansion structure having a building as the lower structure and another building as the upper structure.

[0011] The above-described sliding support device includes sliding support devices with various structures such as rigid sliding supports and elastic sliding supports. The above-described movement restricting device may be configured to restrict relative movement including relative rotation with one movement restricting device, or may be configured such that a plurality of movement restricting devices that allow relative rotation but restrict relative movement cooperate to restrict relative movement including relative rotation.

[0012] According to the present invention, it is possible to switch between a support state that restricts relative movement of the upper structure with respect to the lower structure and a support state that allows displacement of the upper structure in the plan view direction with respect to the lower structure. Specifically, a movement restricting device disposed between an upper structure and a lower structure, together with at least two sliding support devices slidable in a sliding direction along a sliding surface, restricts relative movement between the upper structure and the lower structure. The movement restricting device is provided with a convex member provided on one of the opposing portions of the respective opposing portions of the upper structure and the lower structure, and a restricting member provided on the other opposing portion.

[0013] Further, the restricting member has a restricting component that restricts relative movement of the convex portion of the convex member in the sliding direction provided on one of the opposing portions. Therefore, the support structure can constitute a support structure in a supported state that restricts relative movement of the upper structure with respect to the lower structure by the movement restricting device.

[0014] In addition, a restriction releasing mechanism for releasing relative movement restriction in the sliding direction is provided on the restricting member. Therefore, relative movement restriction of the convex member in the sliding direction in the movement restricting device is released, and a support structure in a supported state that allows displacement of the upper structure in the plan view direction with respect to the lower structure by at least two sliding support devices slidable in the sliding direction along the sliding surface provided between the upper structure and the lower structure can be configured.

[0015] Thus, in the movement restricting device having the convex member and the restricting member, by the movement restriction by the restricting member and the restriction release by the restriction releasing mechanism, a supported state that restricts relative movement of the upper structure with respect to the lower structure and a supported state that allows displacement of the upper structure in the plan view direction with respect to the lower structure can be switched.

[0016] As an aspect of the present invention, the restricting component may restrict rotation of the convex member in addition to relative movement of the convex member in the sliding direction. According to the present invention, a relative movement of the upper structure with respect to the lower structure can be restricted by the restricting component that constitutes the movement restricting device and restricts rotation of the convex member in addition to relative movement of the convex member in the sliding direction.

[0017] As an aspect of the present invention, one of the restricting component and the convex member may have a convex portion in a polygonal shape, and the other of the restricting component and the convex member may have a concave portion in a polygonal shape that accommodates the convex portion. According to the present invention, the rotation of the convex member can be restricted by the restricting component with a simple structure.

[0018] Note that the convex portion in a polygonal shape of one of the restricting component and the convex member, and the concave portion in a polygonal shape that accommodates the convex portion of the other of the restricting component and the convex member include various polygons such as triangles and quadrilaterals, and the convex portion and the concave portion may be similar polygons or different polygons.

[0019] As an aspect of the present invention, a plurality of the movement restricting devices may be provided. According to the present invention, even if rotation is not restricted in one movement restricting device, relative movement of the upper structure with respect to the lower structure can be restricted by a plurality of the movement restricting devices.

[0020] As an aspect of the present invention, the restricting component that restricts relative movement in the sliding direction may allow rotation of the convex member. According to the present invention, relative rotation and relative movement of the upper structure with respect to the lower structure can be restricted by a plurality of the movement restricting devices configured by the restricting component that restricts relative movement in the sliding direction and allows rotation of the convex member.

[0021] As an aspect of the present invention, an upper mat fixed to the opposing portion of the upper structure and a lower mat fixed to the opposing portion of the lower structure are provided, the movement restricting device is configured to allow only rotation, the convex member may be one of the upper mat and the lower mat, and the restricting member may be the other of the upper mat and the lower mat. According to the present invention, the movement restricting device can be reliably configured.

[0022] As an aspect of the present invention, one of the plurality of movement restricting devices may be disposed between the two sliding support devices. According to the present invention, the relative rotation and relative movement of the upper structure with respect to the lower structure can be restricted by the plurality of movement restricting devices configured by the restricting component that restricts the relative movement in the sliding direction and allows the rotation of the convex member. Further, by releasing the restriction of the movement restricting device that is not disposed between the two sliding support devices among the plurality of movement restricting devices, the movement restricting device disposed between the two sliding support devices serves as the rotation center, and with this movement restricting device as the center, although the horizontal movement of the upper structure with respect to the lower structure is restricted, a rotatable support state can be configured. Furthermore, by releasing the restriction of the movement restricting device disposed between the two sliding support devices, a support state in which the upper structure can move horizontally with respect to the lower structure can be configured.

[0023] As an aspect of the present invention, the restricting component may be provided with a main body portion fixed to the restricting fixing portion and a surrounding restricting portion that surrounds a part of the convex portion and restricts the movement in the sliding direction. According to the present invention, the surrounding restricting portion attached to the main body portion can surely restrict the movement of the convex portion in the sliding direction by surrounding it.

[0024] As an aspect of the present invention, fixing means for fixing to the opposing portion may be provided on at least one of the convex fixing portion and the restricting fixing portion, and the restriction releasing mechanism may release the fixing by the fixing means with respect to the opposing portion.

[0025] According to the present invention, at least one of the convex fixing portion and the restricting fixing portion can be fixed to the opposing portion by fixing means. By releasing the fixing of the fixing means, the fixing of at least one of the convex fixing portion and the restricting fixing portion to the opposing portion can be easily released. Therefore, the relative movement restriction that functions by fixing the convex member and the restricting member to the respective opposing portions of the upper structure and the lower structure can be eliminated.

[0026] Note that the fixing means includes fastening means for screwing and fixing at least one of the convex fixing portion and the restricting fixing portion to the opposing portion, and those configured to be fixed with a simple rod-shaped member. Further, when the fixing means is fastening means for screwing and fixing at least one of the convex fixing portion and the restricting fixing portion to the opposing portion, the fastening means for releasing the screwing and fixing functions as the restriction release mechanism.

[0027] As an aspect of the present invention, the surrounding restricting portion may be configured to be detachable from the main body portion, and the restriction release mechanism may be the surrounding restricting portion that can be removed from the main body portion. According to the present invention, by removing the surrounding restricting portion that reliably restricts the movement in the sliding direction while allowing the rotation of the convex portion from the main body portion, the surrounding restricting portion functions as the restriction release mechanism, and the relative movement restriction in the sliding direction of the convex member in the movement restriction device can be easily eliminated.

[0028] As an aspect of the present invention, at least a gap may be formed between the opposing surfaces of the upper cover and the lower cover in a state where the relative movement restriction in the sliding direction is not eliminated by the restriction release mechanism. According to the present invention, in the supporting state for restricting the relative movement of the upper structure with respect to the lower structure, it can be rotated more smoothly.

Advantages of the Invention

[0029] According to the present invention, there can be provided the movement restricting device capable of switching between a supporting state for restricting relative movement of the upper structure with respect to the lower structure and a supporting state for allowing displacement of the upper structure in the plan view direction with respect to the lower structure, and a supporting structure including the movement restricting device.

Brief Description of the Drawings

[0030]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

Figure 9

Figure 10

Figure 11

Figure 12

Embodiments for Carrying Out the Invention

[0031] One embodiment of this invention will be described below with reference to the drawings. FIG. 1 shows a schematic view from the front direction of the supporting structure 1, FIG. 2 shows a schematic view of line A-A in FIG. 1, FIG. 3 shows an exploded perspective view of the sliding support device 10, FIG. 4 shows an exploded perspective view of the movement restricting device 40, FIG. 5 shows a schematic view from the front direction of the supporting structure 1 in the regulation release state, and FIG. 6 shows a schematic view of line A-A in the movable regulation release state.

[0032] In addition, in FIGS. 2 and 6, the upper structure 100, the sliding upper block 20 of the sliding support device 10 attached to the upper structure 100, and the upper block 50 of the movement restricting device 40 are shown in a transparent state. Also, in FIGS. 1 and 5, the sliding support device 10 and the movement restricting device 40 are shown with the left side in the left - right direction in a front view and the right side in a cross - sectional view.

[0033] Furthermore, in FIGS. 3 and 4, in order to clarify the shape of the sliding lower block 30 of the sliding support device 10 and the components of the movement restricting device 40, a part of the front side is cut away and shown, and the sliding upper block 20 in FIG. 3 and the upper plate 51 in FIG. 4 are shown in a transparent state. Also, the upper structure 100 and the lower structure 110 are shown in a simplified form for easy understanding.

[0034] The support structure 1 has two sliding support devices 10 and one movement restricting device 40, and is a structure for supporting the upper structure 100 by the lower structure 110, and can switch between a support state for restricting the relative movement of the upper structure 100 with respect to the lower structure 110 and a support state for allowing the displacement of the upper structure 100 with respect to the lower structure 110.

[0035] Specifically, the support structure 1 includes two sliding support devices 10 and one movement restricting device 40 between the upper structure 100 and the lower structure 120, and the movement restricting device 40 is arranged between the two sliding support devices 10. The sliding support device 10 is a sliding support device that allows sliding in all directions when viewed from the plan view direction, and is also referred to as an all - direction sliding support device.

[0036] The sliding support device 10 includes a sliding upper block 20 fixed to the bottom surface of the upper structure 100 and a sliding lower block 30 fixed to the upper surface of the lower structure 110. The sliding upper sole 20 includes a sole plate 21 fixed to the bottom surface of the upper structure 100 and a slide plate 22 attached to the bottom surface of the sole plate 21. The sole plate 21 is configured to be fixed to the upper surface of the lower structure 110 by an appropriate method. The slide plate 22 is made of a stainless steel plate and forms a sliding surface on the bottom surface thereof that slides on the sliding surface of the sliding lower sole 30.

[0037] As shown in FIG. 3, the sliding lower sole 30 includes a fixing ring 31, a bearing 32, a piston 33, a seal ring 34, a shim 35, an elastic plate 36, a dust seal 37, and a base spot 38. The fixing ring 31 is a metal ring-shaped plate member that prevents the piston 33 and the like mounted in the mounting recess 381 described later from coming out, and is detachably mounted on the upper surface of the base spot 38 with bolts (not shown).

[0038] The bearing 32, which is a sliding member, is formed in a circular shape in plan view from a polyamide resin or a polytetrafluoroethylene resin having self-lubricating properties. The upper surface of the bearing 32 forms a sliding surface that slides on the sliding surface, which is the bottom surface of the slide plate 22 of the sliding upper sole 20.

[0039] The piston 33 is substantially cylindrical in shape and made of stainless steel, and a circular recess 331 into which the seal ring 34 can be fitted is formed along the outer peripheral edge of the bottom surface. Also, the bearing 32 is mounted and fixed on the upper surface of the piston 33. The seal ring 34 is a circular ring having a trapezoidal cross-section with a vertical outer diameter side and an inclined surface that inclines downward and outward in diameter on the inner diameter side, and is mounted in the circular recess 331 of the piston 33.

[0040] The shim 35 is a thin plate made of fluororesin formed in a circular shape in plan view with the same diameter as the outer diameter of the seal ring 34.

[0041] The elastic plate 36 is a rubber plate having a circular shape in plan view with the same diameter as the shim 35.

[0042] The dust seal 37 is mounted in a mounting groove 382 provided on the upper surface of the base pot 38, abuts against the bottom surface of the slide plate 22 of the sliding upper shoe 20 in the sliding support device 10, and is a sealing material that surrounds the periphery of the sliding surface between the sliding upper shoe 20 and the sliding lower shoe 30, and is formed in a ring shape.

[0043] The base pot 38 is a steel cylindrical body fixed to the upper surface of the lower structure 110, and includes a mounting recess 381 that forms a cylindrical space at the center of the upper surface in plan view, and a mounting groove 382 that is circular in plan view on its outer periphery, and is configured to be fixed to the upper surface of the lower structure 110 by an appropriate method.

[0044] Then, an elastic plate 36, a shim 35, and a seal ring 34 are mounted in the mounting recess 381 of the base pot 38 in order from the bottom, and a piston 33 with a bearing 32 fixed to the upper surface is mounted. A fixing ring 31 is fixed to the upper surface of the base pot 38 from above, a dust seal 37 is mounted in the mounting groove 382, and the sliding lower shoe 30 configured with the above-mentioned elements is assembled.

[0045] By fixing the sole plate 21 of the sliding upper shoe 20 configured in this way to the bottom surface of the upper structure 100 and fixing the base pot 38 of the sliding lower shoe 30 to the upper surface of the lower structure 110, the sliding support device 10 can be configured. When the upper structure 100 moves in the direction along the sliding surface with respect to the lower structure 110 in the sliding support device 10 configured in this way, the bottom surface of the slide plate 22 of the sliding upper shoe 20 fixed to the bottom surface of the upper structure 100 and the upper surface of the bearing 32 of the sliding lower shoe 30 fixed to the upper surface of the lower structure 110 can slide as sliding surfaces, respectively.

[0046] The movement restricting device 40 is a device that restricts sliding (hereinafter referred to as movement in the plan view direction) viewed from the plan view direction. As shown in FIG. 4, the movement restricting device 40 includes an upper shoe 50 fixed to the bottom surface of the upper structure 100 and a lower shoe 60 fixed to the upper surface of the lower structure 110.

[0047] The upper mat 50 has an upper plate 51 fixed to the bottom surface of the upper structure 100 and a substantially columnar cylindrical portion 52 fixed to the bottom surface of the upper plate 51, and is integrally formed. The upper plate 51 is a steel plate having a quadrangular shape in plan view and an appropriate thickness, and is provided with a plurality of bolt holes 511 through which fixing bolts B are inserted along the outer peripheral edge.

[0048] The cylindrical portion 52 is a substantially cylindrical steel material having a height lower than the diameter, and is provided with a quadrangular portion 521 that expands outward in diameter at the lower end. The cylindrical portion 52 is provided at the center in plan view of the bottom surface of the upper plate 51 that protrudes downward from the bottom surface of the upper plate 51.

[0049] The quadrangular portion 521 is formed in a square shape in bottom view at the lower end of the cylindrical portion 52. The side length of the quadrangular portion 521 is formed to be substantially the same length as the diameter of the cylindrical portion 52. Therefore, the corners of the quadrangular portion 521 formed in a square shape in bottom view are formed to protrude radially outward from the cylindrical portion 52.

[0050] The lower mat 60 has a base plate 61 fixed to the upper surface of the lower structure 110 and a base pot 62 fixed to the upper surface of the base plate 61, and is integrally formed. The base plate 61 is a steel plate having a quadrangular shape in plan view and an appropriate thickness, and is configured to be fixed to the upper surface of the lower structure 110 by an appropriate method.

[0051] The base pot 62 has a quadrangular shape in plan view and is a substantially quadrangular prism having an appropriate height. A mounting recess 621 that forms a space into which the cylindrical portion 52 and the quadrangular portion 521 can be inserted is provided at the center in plan view of the upper surface, and a circular bearing 65 is provided on the bottom surface of the mounting recess 621.

[0052] The mounting recess 621 is a space having an opening 622 with a diameter slightly larger than that of the cylindrical portion 52 and a square-shaped accommodation space 623 in plan view that can accommodate the quadrangular portion 521 below the opening 622. The accommodating space 623 capable of accommodating the quadrangular portion 521 is a square columnar space having a planar view square shape slightly larger than the bottom view shape of the quadrangular portion 521 and a height slightly higher than the height of the quadrangular portion 521.

[0053] And above the accommodating space 623, an overhanging portion 624 is provided which protrudes radially inward from the upper edge of the side wall forming the accommodating space 623 and forms an opening 622 having a diameter slightly larger than that of the cylindrical portion 52. The overhanging portion 624 is formed with an inner diameter smaller than the outer diameter of the quadrangular portion 521 and larger than the outer diameter of the cylindrical portion 52. Note that, at the upper part of the base pot 62, the portion surrounding the portion forming the mounting recess 621 having the overhanging portion 624 is defined as a surrounding restricting portion 63, and the lower part thereof is defined as a main body portion 64.

[0054] The bearing 65 provided on the bottom surface of the mounting recess 621 is a plate having a circular shape in plan view and is mounted in a circular groove having a circular shape in plan view formed on the bottom surface of the mounting recess 621. Similar to the bearing 32 of the sliding lower plate 30 of the sliding bearing device 10 described above, it is formed in a circular shape in plan view with a self-lubricating polyamide resin or polytetrafluoroethylene resin.

[0055] Fix the upper plate 51 of the upper plate 50 to the bottom surface of the upper structure 100, fix the base plate 61 of the lower plate 60 to the upper surface of the lower structure 110, and accommodate the quadrangular portion 521 in the accommodating space 623 of the mounting recess 621 of the base pot 62 with the bearing 65 mounted on the bottom surface of the mounting recess 621. Then, pass the tip portion of the cylindrical portion 52 through the opening 622 by an appropriate method and assemble and mount them to configure the movement restricting device 40 with the upper plate 50 and the lower plate 60. Note that, as shown in FIG. 4, the fixing of the sliding bearing device 10 of the upper plate 50 to the bottom surface is performed by inserting a fixing bolt B through a bolt hole 511 provided in the upper plate 51 and screwing it to the upper structure 100.

[0056] In the support structure 1 composed of the sliding support device 10 and the movement restricting device 40 configured as described above, as shown in the enlarged view of part a in Fig. 1, in the movement restricting device 40, a gap s is set between the bottom surface of the square portion 521 in the columnar portion 52 of the upper plate 50 and the upper surface of the bearing 65 provided on the bottom surface of the mounting recess 621 in the lower plate 60. That is, the upper surface of the bearing 65 in the lower plate 60 and the bottom surface of the square portion 521 of the upper plate 50 are not in contact.

[0057] By providing the support structure 1 configured in this way, when an external force such as seismic vibration acts, the upper structure 100 tends to move relative to the lower structure 110. However, since the support structure 1 arranges the movement restricting device 40 between the two sliding support devices 10, the movement of the upper structure 100 along the sliding surface with respect to the lower structure 110 in the plan view direction is restricted by the movement restricting device 40.

[0058] On the other hand, when the screwing of the fixing bolt B that fixes the upper plate 51 of the upper plate 50 in the movement restricting device 40 to the bottom surface of the upper structure 100 is released, as shown in Fig. 5, the upper plate 50 is separated from the upper structure 100. In the initial state, a gap s was formed between the bottom surface of the square portion 521 and the upper surface of the bearing 65, but in this separated state, a gap s is formed between the bottom surface of the upper structure 100 and the upper surface of the upper plate 51 of the upper plate 50.

[0059] That is, the separation of the upper plate 50 from the upper structure 100 cancels the movement restriction in the plan view direction by the movement restricting device 40, and it becomes a support state that allows displacement in the plan view direction in the state where the upper structure 100 is supported by the lower structure 110 by the sliding support device 10. Therefore, as shown in Fig. 6, when an external force such as seismic vibration acts, the sliding surfaces of the sliding upper plate 20 fixed to the bottom surface of the upper structure 100 and the sliding surfaces of the sliding lower plate 30 fixed to the upper surface of the lower structure 110 in the two sliding support devices 10 slide, and the upper structure 100 can move in the plan view direction along the sliding surface with respect to the lower structure 110.

[0060] As described above, the support structure 1 has, between the upper structure 100 and the lower structure 110, two sliding support devices 10 that are slidable in the sliding direction along the sliding surface, and a movement restricting device 40 that restricts the relative movement between the upper structure 100 and the lower structure 110. The movement restricting device 40 includes a top plate 50 having a columnar portion 52 protruding toward the lower structure 110 and an upper plate 51 fixing the columnar portion 52 to the opposing portion on the bottom surface of the upper structure 100, a bottom plate 60 having a base spot 62 that restricts the relative movement of the top plate 50 in the sliding direction and a base plate 61 fixing the base spot 62 to the opposing portion on the upper surface of the lower structure 110, and a fixing bolt B that cancels the relative movement restriction of the movement restricting device 40.

[0061] Further, the movement restricting device 40 is arranged between the upper structure 100 and the lower structure 110 together with the two sliding support devices 10 that are slidable in the sliding direction along the sliding surface, restricts the relative movement between the upper structure 100 and the lower structure 110, includes a top plate 50 having a columnar portion 52 protruding toward the lower structure 110 and an upper plate 51 fixing the columnar portion 52 to the opposing portion on the bottom surface of the upper structure 100, a bottom plate 60 having a base spot 62 that restricts the relative movement of the top plate 50 in the sliding direction and a base plate 61 fixing the base spot 62 to the opposing portion on the upper surface of the lower structure 110, and a fixing bolt B that cancels the relative movement restriction of the movement restricting device 40.

[0062] Therefore, in the support structure 1, it is possible to switch between a support state that restricts the relative movement of the upper structure 100 with respect to the lower structure 110 and a support state that allows displacement in the plan view direction of the upper structure 100 with respect to the lower structure 110.

[0063] Specifically, a movement restricting device 40 arranged between an upper structure 100 and a lower structure 110 together with two sliding support devices 10 slidable in a sliding direction along a sliding surface restricts relative movement between the upper structure 100 and the lower structure 110 in a state where the upper structure 100 is supported by the lower structure 110 by the sliding support devices 10. And the movement restricting device 40 is provided with an upper plate 50 provided on the bottom surface of the upper structure 100 and a lower plate 60 provided on the upper surface of the lower structure 110.

[0064] Further, the lower plate 60 has a base spot 62 that restricts relative movement in the sliding direction of the columnar portion 52 of the upper plate 50 provided on the bottom surface of the upper structure 100. Therefore, the support structure 1 can constitute a support state that restricts relative movement of the upper structure 100 with respect to the lower structure 110 by the movement restricting device 40.

[0065] Also, a fixing bolt B for canceling relative movement restriction in the sliding direction is provided. By canceling the screwing of the fixing bolt B, the relative movement restriction in the sliding direction of the upper plate 50 in the movement restricting device 40 is canceled, and a support structure 1 in a support state that allows displacement of the upper structure 100 in the plan view direction with respect to the lower structure 110 by two sliding support devices 10 slidable in the sliding direction along the sliding surface provided between the upper structure 100 and the lower structure 110 can be constituted.

[0066] Thus, in the movement restricting device 40 having the upper plate 50 and the lower plate 60, by movement restriction and restriction release by the fixing bolt B, a support state that restricts relative movement of the upper structure 100 with respect to the lower structure 110 and a support state that allows displacement of the upper structure 100 in the plan view direction with respect to the lower structure 110 can be switched.

[0067] Further, since the base spot 62 restricts the rotation of the upper stack 50 in addition to the relative movement in the sliding direction of the upper stack 50 by means of the mounting recess 621 that houses the rectangular portion 521, it constitutes the movement restricting device 40, and by the base spot 62 that restricts the rotation of the upper stack 50 in addition to the relative movement in the sliding direction of the upper stack 50, the relative movement of the upper structure 100 with respect to the lower structure 110 can be restricted.

[0068] Also, the upper stack 50 has a columnar portion 52 having a rectangular rectangular portion 521, and since the base spot 62 has a rectangular mounting recess 621 that houses the rectangular portion 521 of the columnar portion 52, the rotation of the upper stack 50 can be restricted by the base spot 62 with a simple structure.

[0069] Further, the base spot 62 is provided with a main body portion 64 fixed to the base plate 61 and a surrounding restricting portion 63 that surrounds the rectangular portion 521 of the columnar portion 52 and restricts the movement in the sliding direction. Therefore, the surrounding restricting portion 63 provided on the main body portion 64 can reliably restrict the movement of the columnar portion 52 in the sliding direction by surrounding it.

[0070] Also, the upper plate 51 is provided with fixing bolts B that are screwed and fixed to the opposing portions, and the fixing bolts B can cancel the screwed fixing to the bottom surface of the upper structure 100. Therefore, the upper plate 51 can be screwed and fixed to the bottom surface of the upper structure 100 with the fixing bolts B. And by canceling the screwing of the fixing bolts B, the screwed fixing of the upper plate 51 to the bottom surface of the upper structure 100 can be easily canceled. Therefore, the relative movement restriction that functions by fixing the upper stack 50 to the bottom surface of the upper structure 100 and fixing the lower stack 60 to the upper surface of the lower structure 110 can be canceled.

[0071] Also, since a gap s is formed between the opposing surfaces of the upper stack 50 and the lower stack 60 in a state where the relative movement restriction in the sliding direction is not canceled by the fixing bolts B, in the supporting state that restricts the relative movement of the upper structure 100 with respect to the lower structure 110, it can be rotated more smoothly.

[0072] In the above description, the quadrangular portion 521 of the columnar portion 52 is quadrangular in plan view, and the mounting recess 621 for accommodating the quadrangular portion 521 of the columnar portion 52 is square in plan view. However, it includes various polygons such as triangles and pentagons, and even if the quadrangular portion 521 and the mounting recess 621 are different polygons as long as the quadrangular portion 521 can be accommodated in the mounting recess 621.

[0073] Furthermore, in the above description, the fixing of the underlayer 60 to the upper structure 100 is released by loosening the screwing of the fixing bolt B, and the upper structure 100 and the underlayer 60 are separated to switch from the supporting state that restricts the displacement in the plan view direction in the supporting structure 1 to the supporting state that allows the displacement in the plan view direction. In contrast, for example, as shown in FIG. 7, in the movement restricting device 40, the restriction of the underlayer 60 with respect to the upper layer 50 may be released to switch to the supporting state that allows the displacement in the plan view direction in the supporting structure 1.

[0074] Note that FIG. 7 shows an explanatory view of the underlayer 60 in the movement restricting device 40 of another aspect. Specifically, FIG. 7(a) shows a perspective view of the underlayer 60 in a state where a part of the front side is cut away, and FIG. 7(b) shows a perspective view of the underlayer 60 in a state where the surrounding restricting portion 63 is removed from the main body portion 64.

[0075] Specifically, as shown in FIG. 7, the surrounding restricting portion 63 that constitutes the mounting recess 621 in the base spot 62 and surrounds the quadrangular portion 521 in the movement restricting device 40 is configured to be separable from the main body portion 64 of the base spot 62. Then, when switching to the supporting state that allows the displacement in the plan view direction in the supporting structure 1, the restriction of the underlayer 60 with respect to the upper layer 50 can be released by separating the surrounding restricting portion 63 from the main body portion 64 of the base spot 62.

[0076] In the bottom plate 60 configured as described above, when the surrounding restriction portion 63 is attached to the main body portion 64 and can be screwed and fixed to the main body portion 64 with bolts from the side, it is preferable because the workability when separating the surrounding restriction portion 63 is improved between the upper structure 100 and the lower structure 110.

[0077] In this way, the surrounding restriction portion 63 is configured to be detachable from the main body portion 64. By removing the surrounding restriction portion 63 that reliably restricts rotation and movement in the plan view direction by accommodating the square portion 521 of the columnar portion 52 in the mounting recess 621 from the main body portion 64, the surrounding restriction portion 63 functions as a restriction release mechanism, and the relative movement restriction in the plan view direction of the columnar portion 52 of the upper plate 50 in the movement restriction device 40 can be easily eliminated.

[0078] Subsequently, the support structure 1a of another embodiment will be described with reference to FIGS. 8 to 11. FIG. 8 shows a schematic sectional view taken along line A-A of the support structure 1a (the same position as line A-A in FIG. 1), FIG. 9 shows an exploded perspective view of the pin support device 70, FIG. 10 shows a schematic sectional view taken along line A-A in a rotatably movable state, and FIG. 11 shows a schematic sectional view taken along line A-A in a movable restriction release state. In FIGS. 8, 10, and 11, the upper structure 100, the sliding upper plate 20 of the sliding support device 10 attached to the upper structure 100, and the upper plate 80 of the pin support device 70 are shown in a transparent state.

[0079] Furthermore, in FIG. 9, in order to clarify the shape of the elements constituting the pin support device 70, a part of the front side is cut out and shown, and the upper plate 81 in FIG. 9 is shown in a transparent state. Also, the upper structure 100 and the lower structure 110 are shown in a simplified manner for easy understanding. In the following description of the support structure 1a, the same structures as those in the above-described support structure 1 are denoted by the same reference numerals, and detailed descriptions thereof are omitted.

[0080] The support structure 1a has two sliding support devices 10 and two pin support devices 70, and is a structure for supporting the upper structure 100 by the lower structure 110. It can switch between a state of restricting the relative movement of the upper structure 100 with respect to the lower structure 110, a support state that allows only the rotational movement of the upper structure 100 with respect to the lower structure 110, and a support state that allows the displacement of the upper structure 100 with respect to the lower structure 110.

[0081] Specifically, the support structure 1a includes two sliding support devices 10 and two pin support devices 70 between the upper structure 100 and the lower structure 120. Since the sliding support device 10 has the same configuration as the sliding support device 10 of the support structure 1 described above, the description thereof is omitted.

[0082] The pin support device 70 is a sliding support device that restricts movement in the plan view direction but allows rotation, and is also referred to as a fixed support device. As shown in FIG. 9, the pin support device 70 includes an upper plate 80 fixed to the bottom surface of the upper structure 100 and a lower plate 90 fixed to the upper surface of the lower structure 110.

[0083] Similar to the upper plate 50 of the movement restricting device 40, the upper plate 80 has an upper plate 81 fixed to the bottom surface of the upper structure 100 and a substantially cylindrical columnar portion 82 fixed to the bottom surface of the upper plate 81, and is integrally formed.

[0084] Similar to the upper plate 51 of the upper plate 50, the upper plate 81 has a plurality of bolt holes 811 through which the fixing bolts B are inserted along the outer peripheral edge. Similar to the columnar portion 52 of the upper plate 50, the columnar portion 82 is a substantially cylindrical shape made of stainless steel with a diameter smaller than its height.

[0085] Similar to the lower plate 60 of the movement restricting device 40, the lower plate 90 has a base plate 91 fixed to the upper surface of the lower structure 110 and a base pot 92 fixed to the upper surface of the base plate 91, and is integrally formed. The base plate 91 has the same configuration as the base plate 61 of the lower mat 60.

[0086] The base pot 92 has the same configuration as the base pot 62 of the lower mat 60. It is quadrangular in plan view and is a substantially quadrangular prism with an appropriate height. However, unlike the opening 622 of the lower mat 60, a mounting recess 921 is provided at the center of the upper surface in plan view to form a cylindrical space into which the cylindrical portion 82 can be inserted. And a circular bearing 65 is provided on the bottom surface of the mounting recess 921.

[0087] The mounting recess 921 is a substantially cylindrical space slightly larger in diameter than the cylindrical portion 82. Note that, at the upper part of the base pot 92, the portion surrounding the mounting recess 921 is defined as a surrounding regulating portion 93, and the lower part is defined as a main body portion 94. The bearing 65 provided on the bottom surface of the mounting recess 921 has the same configuration as the bearing 65 mounted in the mounting recess 621 of the lower mat 60 in the above-described supporting structure 1, and thus its description is omitted.

[0088] As described above, two pin supporting devices 70 are provided. As shown in FIG. 8, one of them is arranged between the two sliding supporting devices 10, and the other is arranged at a position outside the two sliding supporting devices 10.

[0089] Of the two provided pin supporting devices 70, the one arranged between the two sliding supporting devices 10 is defined as a first pin supporting device 70a, and the one arranged at a position outside the two sliding supporting devices 10 is defined as a second pin supporting device 70b.

[0090] Also, in the present embodiment, the second pin support device 70b disposed at a position deviated from between the two sliding support devices 10 is arranged such that a virtual straight line connecting the first pin support device 70a and the second pin support device 70b is perpendicular to a virtual straight line connecting the two sliding support devices 10. However, on the virtual straight line connecting the two sliding support devices 10, the second pin support device 70b may be arranged at an appropriate position, such as being arranged on the side opposite to the first pin support device 70a with respect to one of the two sliding support devices 10.

[0091] Fix the upper plate 81 of the upper bolster 80 of the pin support device 70 (70a, 70b) configured as described above to a predetermined position on the bottom surface of the upper structure 100, and fix the base plate 91 of the lower bolster 90 configured as described above to a predetermined position on the upper surface of the lower structure 110. Then, the tip portion of the columnar portion 82 is mounted in the mounting recess 921 of the base pot 92 in which the bearing 65 is mounted in the circular groove on the bottom surface of the mounting recess 921 by an appropriate method, and the upper bolster 80 and the lower bolster 90 are assembled to constitute the pin support device 70. Note that the fixing of the sliding support device 10 to the bottom surface of the upper bolster 80 is performed in the same manner as the fixing of the upper bolster 50 described above, by inserting the fixing bolt B through the bolt hole 811 provided in the upper plate 81 and screwing it to the upper structure 100.

[0092] In the support structure 1a constituted by the sliding support device 10 and the pin support device 70 configured in this way, similarly to the support structure 1, in the pin support device 70, a gap s is set between the bottom surface of the columnar portion 82 of the upper bolster 80 and the upper surface of the bearing 65 provided on the bottom surface of the mounting recess 921 in the lower bolster 90. That is, the upper surface of the bearing 65 in the lower bolster 90 and the bottom surface of the columnar portion 82 of the upper bolster 80 are not in contact.

[0093] By providing the support structure 1a configured in this way, when an external force such as seismic vibration acts, the upper structure 100 tends to move relative to the lower structure 110. However, since the support structure 1a is provided with two pin support devices 70, the movement of the upper structure 100 along the sliding surface with respect to the lower structure 110 in the plan view direction is restricted by the pin support devices 70. That is, the support structure 1a supports the upper structure 100 on the lower structure 110 by the two sliding support devices 10, and the movement in the plan view direction is restricted by the pin support devices 70.

[0094] Here, when the screwing of the fixing bolt B that fixes the upper plate 81 of the upper bolster 80 in the second pin support device 70b to the bottom surface of the upper structure 100 is released, as shown in FIG. 10, the upper bolster 80 of the second pin support device 70b is separated from the upper structure 100. In the initial state, a gap s was formed between the bottom surface of the columnar portion 82 of the second pin support device 70b and the upper surface of the bearing 65, but in this separated state, a gap s is formed between the bottom surface of the upper structure 100 and the upper surface of the upper plate 81 of the upper bolster 80 of the second pin support device 70b.

[0095] However, since the first pin support device 70a disposed between the two sliding support devices 10 remains in the initial state, that is, the upper bolster 80 of the first pin support device 70a remains fixed to the upper structure 100.

[0096] Therefore, as shown in FIG. 10, centering on the first pin support device 70a, the sliding surfaces of the sliding upper bolster 20 fixed to the bottom surface of the upper structure 100 and the sliding surfaces of the sliding lower bolster 30 fixed to the upper surface of the lower structure 110 slide in the two sliding support devices 10, and the upper structure 100 rotates with respect to the lower structure 110. That is, the support structure 1a is in a support state where the movement in the plan view direction is restricted by the first pin support device 70a, but rotational movement is possible.

[0097] Furthermore, when the screwing of the fixing bolt B that fixes the upper plate 81 of the upper bolster 80 in the first pin support device 70a to the bottom surface of the upper structure 100 is released, as shown in FIG. 11, the upper bolster 80 of the first pin support device 70a is separated from the upper structure 100. Initially, a gap s was formed between the bottom surface of the columnar portion 82 and the upper surface of the bearing 65, but in this separated state, a gap s is formed between the bottom surface of the upper structure 100 and the upper surface of the upper plate 81 of the upper bolster 80 of the first pin support device 70a.

[0098] That is, the separation of the upper bolster 80 of the first pin support device 70a from the upper structure 100 results in a support state that allows displacement in the plan view direction with the movement restriction in the plan view direction by the first pin support device 70a being released. Therefore, as shown in FIG. 11, when an external force such as seismic vibration acts, the sliding surfaces of the sliding upper bolster 20 fixed to the bottom surface of the upper structure 100 and the sliding lower bolster 30 fixed to the upper surface of the lower structure 110 in the two sliding support devices 10 slide, and the upper structure 100 can move in the plan view direction along the sliding surface with respect to the lower structure 110.

[0099] As described above, the support structure 1a includes two sliding support devices 10 that are slidable in the sliding direction along the sliding surface between the upper structure 100 and the lower structure 110, and a pin support device 70 (70a, 70b) that restricts the relative movement between the upper structure 100 and the lower structure 110. The pin support device 70 has a columnar portion 82 that protrudes toward the lower structure 110 on the bottom surface of the upper structure 100, an upper bolster 80 having an upper plate 81 that fixes the columnar portion 82 to the bottom surface of the upper structure 100, a base pot 92 that restricts the relative movement of the upper bolster 80 in the sliding direction on the upper surface of the lower structure 110, a base plate 91 that fixes the base pot 92 to the upper surface of the lower structure 110, and a fixing bolt B that releases the relative movement restriction of the pin support device 70.

[0100] Further, the pin support device 70 is disposed between the upper structure 100 and the lower structure 110 together with two sliding support devices 10 that are slidable in the sliding direction along the sliding surface, restricts the relative movement between the upper structure 100 and the lower structure 110, and at the bottom surface of the upper structure 100, has a columnar portion 82 protruding toward the lower structure 110 and an upper plate 81 that fixes the columnar portion 82 to the opposing portion, i.e., an upper mat 80; at the upper surface of the lower structure 110, has a base spot 92 that restricts the relative movement in the sliding direction of the upper mat 80 and a base plate 91 that fixes the base spot 92 to the upper surface of the lower structure 110, i.e., a lower mat 90; and a fixing bolt B that cancels the restriction of the relative movement of the pin support device 70 is provided.

[0101] Therefore, the support structure 1a and the pin support device 70 can switch between a support state that restricts the relative movement of the upper structure 100 with respect to the lower structure 110 and a support state that allows displacement in the plan view direction of the upper structure 100 with respect to the lower structure 110.

[0102] Specifically, the pin support device 70 disposed between the upper structure 100 and the lower structure 110 together with two sliding support devices 10 that are slidable in the sliding direction along the sliding surface restricts the relative movement between the upper structure 100 and the lower structure 110. And the pin support device 70 is provided with an upper mat 80 provided on the bottom surface of the upper structure 100 and a lower mat 90 provided on the upper surface of the lower structure 110.

[0103] Further, the lower mat 90 has a base spot 92 that restricts the relative movement in the sliding direction of the columnar portion 82 of the upper mat 80 provided on the bottom surface of the upper structure 100. Therefore, the support structure 1a can constitute a support state in which the relative movement of the upper structure 100 with respect to the lower structure 110 is restricted by the pin support device 70.

[0104] In addition, since a fixing bolt B for canceling the relative movement restriction in the sliding direction is provided, the relative movement restriction in the sliding direction of the upper platen 80 in the pin support device 70 is canceled, and the upper structure 100 can be supported by two sliding support devices 10 slidable in the sliding direction along the sliding surface provided between the upper structure 100 and the lower structure 110. A support structure 1a in a supported state that allows displacement of the upper structure 100 in the plan view direction with respect to the lower structure 110 can be configured.

[0105] In this way, in the pin support device 70 having the upper platen 80 and the lower platen 90, by the movement restriction and the restriction release by the fixing bolt B, the supported state that restricts the relative movement of the upper structure 100 with respect to the lower structure 110 and the supported state that allows displacement of the upper structure 100 in the plan view direction with respect to the lower structure 110 can be switched.

[0106] In addition, since two pin support devices 70 are provided, even if rotation is not restricted in one pin support device 70, the two pin support devices 70 can cooperate to restrict the relative movement of the upper structure 100 with respect to the lower structure 110.

[0107] In addition, since the base spot 92 that restricts the relative movement in the sliding direction allows the rotation of the upper platen 80, the relative rotation and relative movement of the upper structure 100 with respect to the lower structure 110 can be restricted by the two pin support devices 70 configured by the base spot 92 that restricts the relative movement in the sliding direction and allows the rotation of the upper platen 80.

[0108] In addition, since the upper platen 80 fixed to the bottom surface of the upper structure 100 and the lower platen 90 fixed to the upper surface of the lower structure 110 are provided, and the pin support device 70 allows only rotation, the pin support device 70 can be reliably configured.

[0109] Further, one of the plurality of pin support devices 70 (70a, 70b), the first pin support device 70a, is disposed between the two sliding support devices 10. Therefore, relative rotation and relative movement of the upper structure 100 with respect to the lower structure 110 can be restricted by the two pin support devices 70 configured by the base spots 92 that restrict relative movement in the sliding direction and allow rotation of the upper platen 80. Also, by releasing the restriction of the second pin support device 70b that is not disposed between the two sliding support devices 10, the first pin support device 70a disposed between the two sliding support devices 10 becomes the rotation center, and with the first pin support device 70a as the center, although horizontal movement of the upper structure 100 with respect to the lower structure 110 is restricted, a rotatable support state can be configured.

[0110] Further, since the base spot 92 is provided with a main body portion 94 fixed to the base plate 91 and a surrounding restriction portion 93 that surrounds a part of the columnar portion 82 and restricts movement in the sliding direction, the surrounding restriction portion 93 provided on the main body portion 94 can reliably restrict the movement of the columnar portion 82 in the sliding direction by surrounding it.

[0111] Also, the upper plate 81 is provided with fixing bolts B that are screwed and fixed to the opposing portions, and the fixing bolts B can cancel the screwed fixing to the bottom surface of the upper structure 100. Therefore, the upper plate 81 can be screwed and fixed to the bottom surface of the upper structure 100 with the fixing bolts B. And by canceling the screwing of the fixing bolts B, the screwed fixing of the upper plate 81 to the bottom surface of the upper structure 100 can be easily canceled. Therefore, the relative movement restriction that functions by fixing the upper platen 80 to the bottom surface of the upper structure 100 and fixing the lower platen 90 to the upper surface with the lower structure 110 can be canceled.

[0112] For example, in the above description, in the pin support device 70 provided between the upper structure 100 and the lower structure 110, a gap s is set between the bottom surface of the cylindrical portion 82 of the upper plate 80 and the upper surface of the bearing 65 provided on the bottom surface of the mounting recess 921 in the lower plate 90. However, the bearing 65 may not be provided on the lower plate 90, and the gap s may be formed between the bottom surface of the mounting recess 921 and the bottom surface of the cylindrical portion 82. Further, in the initial state, the bottom surface of the cylindrical portion 82 of the upper plate 80 and the upper surface of the bearing 65 provided on the bottom surface of the mounting recess 921 in the lower plate 90 may be configured to be in contact with each other.

[0113] Furthermore, in the above description, the fixing of the lower plate 90 to the upper structure 100 is released by loosening the screw engagement of the fixing bolt B, the upper structure 100 and the lower plate 90 are separated, and the support state that restricts the displacement in the plan view direction in the support structure 1a is switched to the support state that allows the displacement in the plan view direction. On the other hand, for example, as shown in FIG. 12, in the pin support device 70, the restriction of the lower plate 90 with respect to the upper plate 80 may be released, and the support state that allows the displacement in the plan view direction in the support structure 1a may be switched.

[0114] Note that FIG. 12 shows an explanatory view of the lower plate 90 in the pin support device 70 of another aspect. Specifically, FIG. 12(a) shows a perspective view of the lower plate 90 with a part on the front side cut out, and FIG. 12(b) shows a perspective view of the lower plate 90 with the surrounding restriction portion 93 removed from the main body portion 94.

[0115] Specifically, as shown in FIG. 12, the surrounding restriction portion 93 that constitutes the mounting recess 921 in the base spot 92 and surrounds the tip of the large-diameter portion 821 in the pin support device 70 is configured to be separable from the main body portion 94 of the base spot 92. Then, when switching to the support state that allows the displacement in the plan view direction in the support structure 1a, the restriction of the lower plate 90 with respect to the upper plate 80 can be released by separating the surrounding restriction portion 93 from the main body portion 94 of the base spot 92.

[0116] In the bottom plate 90 configured as described above, when the surrounding restriction portion 93 is attached to the main body portion 94 and can be screwed and fixed to the main body portion 94 with bolts from the side, it is preferable because the workability when separating the surrounding restriction portion 93 is improved between the upper structure 100 and the lower structure 110.

[0117] In this way, the surrounding restriction portion 93 is configured to be detachable from the main body portion 94. By removing the surrounding restriction portion 93 from the main body portion 94, which reliably restricts the movement in the plan view direction while allowing the rotation of the columnar portion 82, the surrounding restriction portion 93 functions as a restriction release mechanism, and the relative movement restriction of the columnar portion 82 of the upper plate 80 in the pin support device 70 in the plan view direction can be easily eliminated.

[0118] As described above, in the correspondence between the configuration of the present invention and the above-described embodiment, the upper structure of the present invention corresponds to the upper structure 100, Similarly hereinafter, the lower structure corresponds to the lower structure 110, the sliding support device corresponds to the sliding support device 10, the movement restriction device corresponds to the movement restriction device 40 and the pin support device 70, the convex portion corresponds to the columnar portions 52 and 82, the convex fixing portion corresponds to the upper plates 51 and 81, the convex member and the upper plate correspond to the upper plates 50 and 80, the restriction configuration portion corresponds to the base spots 62 and 92, the restriction fixing portion corresponds to the base plates 61 and 91, the restriction member and the bottom plate correspond to the bottom plates 60 and 90, the restriction release mechanism corresponds to the fixing bolt B, the support structure corresponds to the support structures 1 and 1a, the main body portion corresponds to the main body portions 64 and 94, the surrounding restriction portion corresponds to the surrounding restriction portions 63 and 93, the fixing means corresponds to the fixing bolt B, the pin support device corresponds to the pin support device 70, The gap corresponds to the gap s, but is not limited to the above embodiment.

[0119] For example, in the above description, in the movement restricting device 40 (pin support device 70) provided between the upper structure 100 and the lower structure 110, a gap s is set between the bottom surface of the rectangular portion 521 (upper cover 80) of the upper cover 50 and the upper surface of the bearing 65 provided on the bottom surface of the mounting recess 621 (mounting recess 921) in the lower cover 60 (90). However, the bearing 65 may not be provided on the lower cover 60 (90), and the gap s may be formed between the bottom surface of the mounting recess 621 (mounting recess 921) and the bottom surface of the rectangular portion 521 (upper cover 80) of the upper cover 50. Further, in the initial state, the bottom surface of the rectangular portion 521 (upper cover 80) of the upper cover 50 and the upper surface of the bearing 65 provided on the bottom surface of the mounting recess 621 (mounting recess 921) in the lower cover 60 (90) may be configured to be in contact with each other.

[0120] The above-described upper structure 100 and lower structure 110 may be, for example, a building having a building as the upper structure 100 and a foundation structure as the lower structure 110, a bridge having bridge piers as the lower structure 110 and a main girder as the upper structure 100, a connecting passage having a building as the lower structure 110 and a corridor connecting buildings as the upper structure 100, a roof structure having columns as the lower structure 110 and a truss roof as the upper structure 100, or a structure in an expansion structure having a building as the lower structure 110 and another building as the upper structure 100.

[0121] The sliding support device 10 may be composed of sliding support devices with various structures such as rigid sliding support bearings. Furthermore, in the above description, the upper sliding plate 20 of the sliding support device 10 and the upper plate 50 (80) of the movement restricting device 40 (pin support device 70) are attached to the bottom surface of the upper structure 100, and the lower sliding plate 30 of the sliding support device 10 and the lower plate 60 (90) of the movement restricting device 40 (pin support device 70) are attached to the upper surface of the lower structure 110 to form the support structure 1 (1a). On the other hand, the lower sliding plate 30 of the sliding support device 10 and the lower plate 60 (90) of the movement restricting device 40 (pin support device 70) may be attached to the bottom surface of the upper structure 100, and the upper sliding plate 20 of the sliding support device 10 and the upper plate 50 (80) of the movement restricting device 40 (pin support device 70) may be attached to the upper surface of the lower structure 110 to form the support structure 1 (1a).

[0122] Also, in the above description, the upper plate 50 (80) is screwed and fixed to the bottom surface of the upper structure 100 with the fixing bolt B, and the screwing fixation by the fixing bolt B is released to switch to a support state that allows displacement in the plan view direction. On the other hand, the fixation of the lower plate 60 (90) to the lower structure 110 may be released to switch to a support state that allows displacement in the plan view direction, or the fixations of both the upper plate 50 (80) and the lower plate 60 (90) may be released to switch to a support state that allows displacement in the plan view direction.

[0123] In addition, in the above description, the upper plate 81 is screwed and fixed to the bottom surface of the upper structure 100 with the fixing bolt B, and the screwing fixation of the upper plate 81 to the bottom surface of the upper structure 100 is released by releasing the screwing of the fixing bolt B. On the other hand, for example, instead of the fixing bolt B, the upper plate 81 may be fixed to the bottom surface of the upper structure 100 with a simple rod-shaped member.

Explanation of Reference Numerals

[0124] 1, 1a... Support structure 10... Sliding support device 40... Movement restricting device 50... Upper plate 51... Upper plate 52... Cylindrical portion 60... Lower plate 61... Base plate 62…Base spot 63…Surrounding regulation part 64…Main body part 70…Pin support device 80…Upper sheet 81…Upper plate 82…Cylindrical part 90…Lower sheet 91…Base plate 92…Base spot 93…Surrounding regulation part 94…Main body part 100…Upper structure 110…Lower structure B…Fixed bolt s…Gap

Claims

1. Between an upper structure and a lower structure, at least two sliding support devices slidable along a sliding surface in a sliding direction, and a movement restricting device for restricting relative movement between the upper structure and the lower structure are arranged, The movement restricting device is, On one of the opposing portions of the respective opposing portions of the upper structure and the lower structure, a convex member having a convex portion protruding toward the other and a convex fixing portion for fixing the convex portion to the opposing portion, On the other of the opposing portions of the respective opposing portions of the upper structure and the lower structure, a restricting component for restricting relative movement of the convex member in the sliding direction and a restricting fixing portion for fixing the restricting component to the opposing portion are provided, A restricting release mechanism for releasing relative movement restriction in the movement restricting device is provided, A support structure.

2. The restricting component is, In addition to restricting relative movement of the convex member in the sliding direction, it restricts rotation of the convex member, The support structure according to claim 1.

3. One of the restricting component and the convex member has a polygonal convex portion, The other of the restricting component and the convex member has a polygonal concave portion for accommodating the convex portion, The support structure according to claim 2.

4. A plurality of the movement restricting devices are provided, The support structure according to claim 1.

5. The restricting component for restricting relative movement in the sliding direction allows rotation of the convex member, The support structure according to claim 4.

6. An upper mat fixed to the opposing portion of the upper structure and a lower mat fixed to the opposing portion of the lower structure are provided, and the movement restricting device is configured to allow only rotation. The convex member is one of the upper sheet and the lower sheet, and the restricting member is the other of the upper sheet and the lower sheet. The supporting structure according to claim 5.

7. Among the plurality of movement restricting devices provided, one of the movement restricting devices is disposed between two sliding supporting devices. The supporting structure according to claim 6.

8. The restricting component includes: a main body portion fixed to the restricting fixing portion; and a surrounding restricting portion that surrounds a part of the convex portion and restricts movement in the sliding direction is provided. The supporting structure according to any one of claims 1 to 7.

9. Fixing means for fixing to the opposing portion is provided on at least one of the convex fixing portion and the restricting fixing portion. The restricting release mechanism releases the fixing by the fixing means for the opposing portion. The supporting structure according to claim 8.

10. The surrounding restricting portion is configured to be detachable from the main body portion. The restricting release mechanism is the surrounding restricting portion that can be removed from the main body portion. The supporting structure according to claim 8.

11. At least in a state where the relative movement restriction in the sliding direction is not released by the restricting release mechanism, a gap is formed between the opposing surfaces of the upper sheet and the lower sheet. The supporting structure according to any one of claims 1 to 7.

12. It is disposed between an upper structure and a lower structure together with at least two sliding support devices slidable in a sliding direction along a sliding surface, restricts relative movement between the upper structure and the lower structure, On one of the opposing portions of the upper structure and the lower structure, there is a convex member having a convex portion protruding toward the other and a convex fixing portion for fixing the convex portion to the opposing portion, On the other opposing portion of the upper structure and the lower structure, there is a regulating member having a regulating component for regulating the relative movement of the convex member in the sliding direction and a regulating fixing portion for fixing the regulating component to the opposing portion, A regulating release mechanism for releasing the relative movement regulation in the movement regulating device is provided, Movement regulating device.

Images