JP7121388B2 - Object support mechanism - Google Patents

Description

The present invention relates to an object support mechanism for supporting an object. In particular, the present invention relates to an object support mechanism that is characterized by a structure that supports an object when an installation location shakes horizontally due to an earthquake or the like.

A support mechanism is used to support the object.
When an earthquake occurs, the object is shaken.
An object support mechanism with a seismic isolation function is used to reduce the acceleration acting on the object.
For example, the object support mechanism may be a combination of a member to be guided and a guide member that guides the member to be guided in the X direction, or a combination of a member to be guided and a guide member that guides the member to be guided in the Y direction. There is a combination in which the X direction and the Y direction are perpendicular to each other when viewed from above.
For example, the object support mechanism may be a combination of a wheel and a guide rail that guides the wheel in the X direction, and a combination of a wheel and a guide rail that guides the wheel in the Y direction. are combined so that they are perpendicular to each other when viewed from above.
For example, a friction member is provided in a gap between the wheel and the wheel shaft to generate a frictional force when the wheel rolls while being guided by the guide rail, thereby isolating acceleration due to an earthquake.

In the market, there is also a demand for an object support mechanism that exhibits simple seismic isolation performance with a simpler structure.

SUMMARY OF THE INVENTION The present invention has been devised in view of the problems described above, and it is an object of the present invention to provide an object support mechanism for supporting an object exhibiting a seismic isolation function with a simpler structure.

In order to achieve the above object, an object support mechanism for supporting an object according to the present invention comprises: an upper support mechanism for supporting an object; an intermediate support mechanism for supporting the upper support mechanism; a lower support mechanism rotatably supported about a first vertical axis extending in a direction, the upper support mechanism being a support structure and fixed to the upper support structure or a surface having a trajectory in which an intermediate portion is recessed along the X direction as viewed from the side so as to guide the guided member or the guided member movably along the X direction, which is one horizontal direction and one of the guide members having a guide surface, the intermediate support mechanism being a support structure, and the guided member or the guide member fixed to the intermediate support structure. and the other.

According to the configuration of the present invention, the upper support mechanism supports the object. A middle support mechanism supports the upper support mechanism. A lower support mechanism supports the intermediate support mechanism so as to be rotatable around a first vertical axis extending vertically. A surface having a trajectory with an intermediate portion recessed along the X direction as viewed from the side so as to guide the guided member or the guided member movably along the X direction, which is one horizontal direction. One of the guide members with guide surfaces is fixed to the upper support structure, which is the support structure of the upper support mechanism. The other of the guided member and the guiding member is fixed to an intermediate support structure, which is the support structure of the lower support mechanism.
As a result, when the lower support mechanism shakes in the horizontal direction, the upper support mechanism and the intermediate support mechanism move relative to each other in the horizontal direction while rotating so that the direction of relative movement faces the direction of shaking, thereby exerting the seismic isolation function. .

In order to achieve the above object, an object support mechanism for supporting an object according to the present invention comprises: an upper support mechanism for supporting an object; an intermediate support mechanism for supporting the upper support mechanism; a lower support mechanism rotatably supported about a first vertical axis extending in a direction, the upper support mechanism being a support structure and fixed to the upper support structure a plurality of guided members or a trajectory in which an intermediate portion is recessed along the X direction as viewed from the side so as to guide the plurality of guided members movably along the X direction, which is one horizontal direction and one of a plurality of guide members having a guide surface which is a surface having a curved surface, the intermediate support mechanism being a support structure and a plurality of the substrates fixed to the intermediate support structure. a guiding member or the other of said plurality of guiding members, wherein when viewed from above, a plurality of pairs of guided members and guiding members are distributed around said first vertical axis; It was supposed to be.

According to the configuration of the present invention, the upper support mechanism supports the object. A middle support mechanism supports the upper support mechanism. A lower support mechanism supports the intermediate support mechanism so as to be rotatable around a first vertical axis extending vertically. A surface having a trajectory in which an intermediate portion is recessed along the X direction as viewed from the side so as to guide a plurality of guided members or the guided members movably along the X direction, which is one horizontal direction. is fixed to the upper support structure, which is the support structure of the upper support mechanism. The other of the plurality of guided members or the plurality of guiding members is fixed to an intermediate support structure, which is the support structure of the lower support mechanism. When viewed from above, a plurality of pairs of guided members and guiding members are distributed around the first vertical axis.
As a result, when the lower support mechanism sways in the horizontal direction, the upper support mechanism and the intermediate support mechanism move relative to each other in the horizontal direction while rotating so that the direction of relative movement faces the direction of swaying, thereby exerting the seismic isolation function. .

In order to achieve the above object, an object support mechanism for supporting an object according to the present invention comprises: an upper support mechanism for supporting an object; an intermediate support mechanism for supporting the upper support mechanism; a lower support mechanism rotatably supported around a first vertical axis, wherein the upper support mechanism is an upper support structure that is a support structure; and a guided member that is fixed to the upper support structure. wherein the intermediate support mechanism is fixed to an intermediate support structure, which is a support structure, and laterally mounted so as to guide the guided member along the X direction, which is one horizontal direction. a guide member having a guide surface which is a surface having a locus concave downward along the X direction when viewed from the shall be suspended from said upper support structure.

According to the configuration of the present invention, the upper support mechanism supports the object. A middle support mechanism supports the upper support mechanism. A lower support mechanism supports the intermediate support mechanism so as to be rotatable around a first vertical axis extending vertically. A guided member is fixed to the upper support structure, which is the support structure of the upper support mechanism. A guide having a guide surface which is a surface having a trajectory with an intermediate portion recessed along the X direction as viewed from the side so as to guide a member to be guided so as to be movable along the X direction, which is one of the horizontal directions. A member is secured to an intermediate support structure, which is the support structure of the lower support mechanism. An object is suspended from the upper support structure such that the center of gravity of the object is located below the position of the guided member.
As a result, when the lower support mechanism sways in the horizontal direction, the upper support mechanism and the intermediate support mechanism move relative to each other in the horizontal direction while rotating so that the direction of relative movement faces the direction of swaying, thereby exerting the seismic isolation function. .

In order to achieve the above object, an object support mechanism for supporting an object according to the present invention comprises: an upper support mechanism for supporting an object; an intermediate support mechanism for supporting the upper support mechanism; a plurality of object support mechanisms each having a lower support mechanism that supports the object rotatably around a first vertical axis that is an axis; a rotating mechanism about a second vertical axis for relatively rotatably guiding around an upper supporting structure, wherein the upper supporting mechanism is a supporting structure; and a guided member fixed to the upper supporting structure, or It has a guide surface which is a surface having a trajectory with an intermediate portion recessed along the X direction when viewed from the side so as to guide the guided member movably along the X direction which is one horizontal direction. The intermediate support mechanism has an intermediate support structure, which is a support structure, and the other of the guided member and the guide member fixed to the intermediate support structure. and a plurality of object support structures arranged around the center of the object when viewed from above, each said upper support structure having a plurality of second vertical axes perpendicular to the object. and fixed to each so as to be rotatable around.

According to the configuration of the present invention, the plurality of object support mechanisms includes an upper support mechanism that supports an object, an intermediate support mechanism that supports the upper support mechanism, and a first vertical axis that is a vertical axis of the intermediate support mechanism. and a lower support mechanism for rotatably supporting about the . A rotation mechanism about a second vertical axis guides the upper support mechanism and the object to be relatively rotatable about a second vertical axis, which is a vertical axis. The upper support mechanism guides an upper support structure, which is a support structure, and a guided member fixed to the upper support structure or the guided member so as to be movable along the X direction, which is one horizontal direction. and one of the guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side. The intermediate support mechanism has an intermediate support structure, which is a support structure, and the other of the guided member and the guide member fixed to the intermediate support structure. When viewed from above, a plurality of object support structures are distributed around the object centered inward, each said upper support structure about a plurality of second vertical axes perpendicular to the object. rotatably fixed to each.
As a result, when the lower support mechanism sways in the horizontal direction, the upper support mechanism and the intermediate support mechanism move relative to each other in the horizontal direction while rotating so that the direction of relative movement faces the direction of swaying, thereby exerting the seismic isolation function. .

An object support mechanism according to an embodiment of the present invention will be described below. The present invention includes any of the embodiments described below, or a combination of two or more of them.

The lower support mechanism comprises a lower support structure, which is a support structure, and a friction member that generates a frictional force as the lower support structure and the intermediate support structure rotate about the first vertical axis. have
According to the configuration of the embodiment according to the present invention, the friction member causes friction as the lower support structure, which is the support structure of the lower support mechanism, and the intermediate support structure rotate around the first vertical axis. generate force.
As a result, resistance is provided as the upper and middle support mechanisms rotate about the vertical axis.

Further, when viewed from above, the position of the first vertical axis is positioned on a first imaginary line which is an imaginary line parallel to the X direction and including the position of the center of gravity of the upper support structure.
According to the configuration of the embodiment according to the present invention, the position of the first vertical axis is parallel to the X direction when viewed from above, and the position of the first virtual line is a virtual line including the position of the center of gravity of the upper support structure. located above.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

In addition, when viewed from above, the position of the first vertical axis is positioned on a first imaginary line, which is an imaginary line that is parallel to the X direction and includes the position of the center of gravity of the upper support structure and the object as a whole. .
According to the configuration of the above embodiment of the present invention, the position of the first vertical axis is an imaginary line parallel to the X direction and containing the position of the overall center of gravity of the upper support structure and the object when viewed from above. Located above the first imaginary line.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

When viewed from above, the position of the first vertical axis is eccentrically located in one direction along the X direction from the position of the center of gravity by a predetermined distance D.
Due to the configuration of the embodiment according to the present invention, the position of the first vertical axis is offset from the position of the center of gravity by a predetermined distance D in one direction along the X direction when viewed from above.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

Further, when the position where the trajectory of the guide surface is most recessed is called the lowest position, the position of the first vertical axis is parallel to the X direction when viewed from above, and the guided member is at the lowest position. A predetermined distance D eccentrically in one direction along the X direction from the position of the center of gravity on the first virtual line, which is a virtual line that includes the position of the center of gravity of the upper support structure when it is in contact with the upper support structure. To position.
According to the configuration of the embodiment of the present invention, the position of the first vertical axis is parallel to the X direction when viewed from above, and the center of gravity of the upper support structure when the guided member is in contact with the lowest position. It is located eccentrically by a predetermined distance D in one direction along the X direction from the position of the center of gravity on the first virtual line that is a virtual line that includes the position.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

Further, when the position where the trajectory of the guide surface is most recessed is called the lowest position, the position of the first vertical axis is parallel to the X direction when viewed from above, and the guided member is at the lowest position. A predetermined direction along the X direction from the position of the center of gravity on a first virtual line, which is a virtual line containing the position of the center of gravity of the entire object and the upper support structure when they are in contact with each other. It is located eccentrically by a distance D.
According to the configuration of the embodiment according to the present invention, the upper support structure and the object when the position of the first vertical axis is parallel to the X direction and the guided member is in contact with the lowest position as viewed from above. It is located eccentrically by a predetermined distance D in one direction along the X direction from the position of the center of gravity on the first virtual line, which is a virtual line that includes the position of the center of gravity of the whole.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

Further, when viewed from above, the first vertical axis is positioned on a second imaginary line, which is an imaginary line that is parallel to the X direction and includes the point of contact between the guided member and the guide surface.
According to the configuration of the embodiment according to the present invention, the first vertical axis is parallel to the X direction when viewed from above, and the second virtual line, which is a virtual line including the point of contact between the guided member and the guide surface, is formed. located above.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

Further, when the position where the trajectory of the guide surface is most recessed is called the lowest position, the first vertical axis moves from the lowest position in one direction along the X direction by a predetermined distance D as viewed from above. located eccentrically.
Due to the configuration of the embodiment according to the present invention, the first vertical axis is positioned eccentrically by a predetermined distance D in one direction along the X direction from the lowest position when viewed from above.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

Further, when the position where the trajectory of the guide surface is most recessed is called the lowest position, the first vertical axis is parallel to the X direction when viewed from above and includes the point of contact between the guided member and the guide surface. It is positioned eccentrically by a predetermined distance D in one direction along the X direction from the lowest position on the second imaginary line which is an imaginary line.
According to the configuration of the embodiment according to the present invention, the first vertical axis is parallel to the X direction when viewed from above, and the second virtual line, which is a virtual line including the point of contact between the guided member and the guide surface, is formed. It is located eccentrically by a predetermined distance D in one direction along the X direction from the lowest position.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

In addition, when viewed from above, the second vertical axis is positioned on a second imaginary line that is parallel to the X direction and includes the point of contact between the guided member and the guide surface.
According to the configuration of the embodiment according to the present invention, the second vertical axis is parallel to the X direction when viewed from above, and the second virtual line is a virtual line including the contact point between the guided member and the guide surface. located above.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

Further, when the position where the trajectory of the guide surface is most recessed is called the lowest position, the second vertical axis extends from the lowest position in one direction along the X direction as viewed from above by a predetermined distance D0. located eccentrically.
According to the configuration of the embodiment according to the present invention, the second vertical axis is eccentrically located in one direction along the X direction from the lowest position by a predetermined distance D0 when viewed from above.
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

Further, when the position where the trajectory of the guide surface is most recessed is called the lowest position, the second vertical axis is parallel to the X direction when viewed from above and includes the point of contact between the guided member and the guide surface. Located on a second virtual line, which is a virtual line, eccentrically by a predetermined distance D0 in one direction along the X direction from the lowest position,
According to the configuration of the embodiment according to the present invention, the second vertical axis is parallel to the X direction when viewed from above, and the second virtual line is a virtual line including the contact point between the guided member and the guide surface. located eccentrically by a predetermined distance D0 in one direction along the X direction from the lowest position above;
As a result, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.

As described above, the object support mechanism according to the present invention has the following effects due to its procedure and configuration.
One of the guided member or the guiding member fixed to the upper support structure corresponds to the other of the guided member or the guiding member fixed to the intermediate supporting structure, and the guided member is aligned with the guiding surface of the guiding member in the X direction. and the intermediate support mechanism is rotatably supported around the vertical axis. Therefore, when the lower support mechanism sways in the horizontal direction, the direction in which the upper support mechanism and the intermediate support mechanism move relative to each other is the same as the swaying direction. It rotates as it faces and moves relatively in the horizontal direction, exhibiting a seismic isolation function.
One of the plurality of guided members or the plurality of guiding members fixed to the upper support structure corresponds to the other of the plurality of guided members or the plurality of guiding members fixed to the intermediate support structure, and when viewed from above A plurality of pairs of guided members and guiding members are distributed around the first vertical axis, the guided members are guided on the guiding surfaces of the guiding members in the X direction, and an intermediate support mechanism is provided around the vertical axis. Therefore, when the lower support mechanism swings in the horizontal direction, the upper support mechanism and the intermediate support mechanism move in the horizontal direction while rotating so that the direction of relative movement is in the swinging direction. to exert the seismic isolation function.
The plurality of guided members fixed to the upper support structure correspond to the other of the plurality of guide members fixed to the intermediate support structure, and the guided members are guided by the guide surfaces of the guide members in the X direction. An object is suspended from the upper support structure, and the intermediate support mechanism is rotatably supported around the vertical axis. It rotates in such a way that the direction of relative movement faces the direction of shaking and moves in the horizontal direction, exhibiting a seismic isolation function.
One of the plurality of guided members or the plurality of guiding members fixed to the upper support structure corresponds to the other of the plurality of guided members or the plurality of guiding members fixed to the intermediate support structure, and when viewed from above A plurality of object support mechanisms are arranged around the center of the object and each of the upper support structures is rotatable about a plurality of second vertical axes that are perpendicular to the object. The guide member is guided on the guide surface of the guide member in the X direction, and the intermediate support mechanism is rotatably supported around the vertical axis. The upper support mechanism and the intermediate support mechanism move relative to each other in the horizontal direction while rotating so that the direction of relative movement faces the direction of shaking, thereby exhibiting a seismic isolation function.
When viewed from above, the second vertical axis is parallel to the X direction and positioned on the second imaginary line that includes the point of contact between the guided member and the guide surface. When acceleration is generated in a direction crossing the vertical axis, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.
As viewed from above, the second vertical axis was eccentrically located in one direction along the X direction from the lowest position by a predetermined distance D0, so that acceleration occurred in a direction crossing the X direction. At that time, the upper support mechanism and the middle support mechanism tend to rotate together about the vertical axis.
On a second virtual line, which is a virtual line in which the second vertical axis is parallel to the X direction when viewed from above and includes the point of contact between the guided member and the guide surface, from the lowest position to the X direction Since it is positioned eccentrically by a predetermined distance D0 in one direction along the X direction, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism are integrated around the vertical axis. and try to rotate.
A friction member generates a frictional force as the lower support structure, which is the support structure of the lower support mechanism, and the intermediate support structure rotate about the first vertical axis.
In addition, since the position of the first vertical axis when viewed from above is positioned on the first imaginary line, which is an imaginary line parallel to the X direction and including the position of the center of gravity of the upper support structure, When acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.
In addition, when viewed from above, the position of the first vertical axis is positioned on a first imaginary line, which is an imaginary line that is parallel to the X direction and includes the position of the center of gravity of the upper support structure and the object as a whole. Thus, when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.
A virtual line including the position of the center of gravity of the upper support structure when the position of the first vertical axis is parallel to the X direction when viewed from above and the guided member is in contact with the lowest position Since the position of the center of gravity on the first imaginary line, which is a line, is eccentrically positioned in one direction along the X direction by a predetermined distance D, when acceleration is generated in a direction crossing the X direction. , the upper support mechanism and the middle support mechanism tend to rotate together about a vertical axis.
A virtual line including the position of the center of gravity of the upper support structure when the position of the first vertical axis is parallel to the X direction when viewed from above and the guided member is in contact with the lowest position Since the position of the center of gravity on the first imaginary line, which is a line, is eccentrically positioned in one direction along the X direction by a predetermined distance D, when acceleration is generated in a direction crossing the X direction. , the upper support mechanism and the middle support mechanism tend to rotate together about a vertical axis.
In addition, a hypothetical position including the position of the center of gravity of the entire upper support structure and the object when the position of the first vertical axis is parallel to the X direction and the guided member is in contact with the lowest position as viewed from above Since the position of the center of gravity on the first virtual line, which is the line of , is eccentrically positioned in one direction along the X direction by a predetermined distance D, the direction intersecting the X direction is When acceleration occurs, the upper and middle support mechanisms tend to rotate together about a vertical axis.
In addition, since the first vertical axis is positioned on the second imaginary line, which is an imaginary line that is parallel to the X direction and includes the point of contact between the guided member and the guide surface, when viewed from above, When acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism tend to rotate together about the vertical axis.
In addition, since the second vertical axis L2 is positioned eccentrically from the lowermost position in one direction along the X direction by a predetermined distance D0 when viewed from above, acceleration is generated in a direction crossing the X direction. At this time, the upper support mechanism and the intermediate support mechanism tend to rotate together around the vertical axis.
In addition, the second vertical axis L2 is parallel to the X direction when viewed from above, and on the second imaginary line that includes the point of contact between the guided member and the guide surface, from the lowest position along the X direction are positioned eccentrically in one direction by a predetermined distance D0, so that when acceleration occurs in a direction crossing the X direction, the upper support mechanism and the intermediate support mechanism rotate together around the vertical axis. try to.
Therefore, it is possible to provide an object support mechanism that supports an object that exhibits a seismic isolation function with a simpler structure.

1 is a conceptual diagram of an object support mechanism according to a first embodiment of the present invention; FIG. FIG. 5 is a conceptual diagram of an object support mechanism according to a second embodiment of the present invention; FIG. 11 is a conceptual diagram of an object support mechanism group according to a third embodiment of the present invention; FIG. 11 is a first conceptual diagram of an object support mechanism group according to the third embodiment of the present invention; FIG. 11 is a second conceptual diagram of the object support mechanism group according to the third embodiment of the present invention;

BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out the present invention will be described below with reference to the drawings.

First, the object support mechanism according to the first embodiment of the present invention will be described. FIG. 1 is a conceptual diagram of an object support mechanism 100 according to the first embodiment of the present invention.

The target object support mechanism 100 is a mechanism that supports the target object 50 .
The object is to be protected from damage due to shaking caused by an earthquake or the like.
For example, the object 50 may be a statue, pottery, artwork, precision measuring instrument, or the like.
For example, the object 50 is a server, or the like.

The object support mechanism 100 is composed of an upper support mechanism 110 , an intermediate support mechanism 120 and a lower support mechanism 130 .
The object support mechanism 100 may be composed of an upper support mechanism 110 , an intermediate support mechanism 120 , a lower support mechanism 130 and a rotation mechanism 140 around a first vertical axis.
The upper support mechanism 110 is a mechanism that supports an object.
The intermediate support mechanism 120 is a mechanism that supports the upper support mechanism 110 .
The lower support mechanism 130 is a mechanism that supports the intermediate support mechanism 120 so as to be rotatable around a first vertical axis L1 that is a vertical axis extending in the vertical direction.
The rotation mechanism 140 around the first vertical axis is a mechanism that guides the intermediate support mechanism 120 and the lower support mechanism 130 so as to be relatively rotatable around the first vertical axis L1.

The upper support mechanism 110 is composed of the upper support structure 111 and either the guided member 112 or the guide member 122, and the intermediate support mechanism 120 is composed of the intermediate support structure 121 and the guided member 112 or the guide member 122. Consists of one and the other.
For example, the upper support mechanism 110 is composed of an upper support structure 111 and a guided member 112 , and the intermediate support mechanism 120 is composed of an intermediate support structure 121 and a guide member 122 .
For example, the upper support mechanism 110 is composed of the upper support structure 111 and the guide member 122 , and the intermediate support mechanism 120 is composed of the intermediate support structure 121 and the guided member 112 .

An upper support structure 110 is composed of an upper support structure 111 and one of a plurality of guided members 112 or a plurality of guided members 122, and an intermediate support mechanism 120 is composed of the intermediate support structure 121 and a plurality of guided members. 112 or the other of a plurality of guide members 122 .
For example, the upper support mechanism 110 is composed of an upper support structure 111 and a plurality of guided members 112 , and the intermediate support mechanism 120 is composed of an intermediate support structure 121 and a plurality of guide members 122 .
For example, the upper support mechanism 110 is composed of an upper support structure 111 and a plurality of guide members 122 , and the intermediate support mechanism 120 is composed of an intermediate support structure 121 and a plurality of guided members 112 .
1, the upper support mechanism 110 is composed of an upper support structure 111 and a plurality of guided members 112, which are wheels, and the intermediate support mechanism 120 is composed of an intermediate support structure 121 and a plurality of guide members 122, which are rails. A configuration is shown.

Upper support structure 111 is a support structure.
The upper support structure 111 is the support structure on which the object is placed.

For example, the guided member 112 is fixed to the upper support structure 111 .
The guided member 112 may be a rotatably fixed wheel.

For example, guide member 122 is secured to upper support structure 111 .
The guide member 122 is a surface having a trajectory with an intermediate portion recessed along the X direction as viewed from the side so as to guide the guided member 112 movably along the X direction, which is one horizontal direction. have a guide.
The guide member 122 has an intermediate portion that is downwardly positioned along the X direction when viewed from the side so as to roll the wheel, which is the member to be guided 112, along the X direction, which is one horizontal direction, and guide the wheel so that it can move freely. may have a rolling surface that is a guide surface that is a surface with a concave locus.

Intermediate support structure 121 is a support structure.
The middle support structure 121 is the support structure that supports the upper support structure.
The intermediate support structure 121 is a support structure that supports the upper support structure through pairs of guided members 112 and guide members 122 .

For example, the guided member 112 is fixed to the intermediate support structure 121 .
The guided member 112 may be a rotatably fixed wheel.

For example, guide member 122 is secured to intermediate support structure 121 .
The guide member 122 is a surface having a trajectory with an intermediate portion recessed along the X direction as viewed from the side so as to guide the guided member 112 movably along the X direction, which is one horizontal direction. have a guide.
The guide member 122 has an intermediate portion that is downwardly positioned along the X direction when viewed from the side so as to roll the wheel, which is the member to be guided 112, along the X direction, which is one horizontal direction, and guide the wheel so that it can move freely. may have a rolling surface that is a guide surface that is a surface with a concave locus.

The X direction is the horizontal orientation in the coordinate system fixed to the upper support structure 111 or the middle support structure 121 .
The X direction turns in the horizontal plane with rotation of the upper support structure 111 and the intermediate support structure 121 about the first vertical axis L1.

When viewed from above, a plurality of pairs of guided members 112 and guiding members 122 are distributed around the first vertical axis L1.
For example, when viewed from above, a plurality of pairs of guided members 112, i.e., wheels and guide members 122, are distributed around the first vertical axis L1.
The X directions of the plurality of pairs of guided members 112 and guiding members 122 match.
FIG. 1 shows how four pairs of guided members 112, i.e., wheels and guide members 122, are distributed around the first vertical axis L1.

The lower support mechanism 130 is composed of a lower support structure 131 .
The lower support mechanism 130 may consist of a lower support structure 131 and a friction member 132 .

The lower support structure 131 is the support structure.
The lower support structure 131 is the support structure that supports the intermediate support mechanism 120 .
The friction member 132 is a member that generates a frictional force as the lower support structure 131 and the intermediate support structure 121 rotate about the first vertical axis L1.
For example, the friction member 132 may be sandwiched between the lower support structure 131 and the intermediate support structure 121 such that as the lower support structure 131 and the intermediate support structure 121 rotate about the first vertical axis L1, the friction member 132 is rotated. It is a plate-shaped member that generates a frictional force.
For example, the friction member 132 may be sandwiched between the intermediate support structure 121 and a washer held down by a first vertical rotator fixed to the lower support structure 131 so that the lower support structure 131 and the intermediate support structure 121 It is a plate-like member that generates a frictional force as it rotates around the first vertical axis L1 with the .

The rotation mechanism 140 around the first vertical axis is a mechanism that guides the lower support structure 131 and the intermediate support structure 121 so as to be relatively rotatable around the first vertical axis L1.
For example, the rotation mechanism 140 around the first vertical axis is a mechanism that rotatably guides the intermediate support structure 121 around the first vertical axis L1 based on the lower support structure 131 .
For example, the rotation mechanism 140 around the first vertical axis is a mechanism that rotatably guides the lower support structure 131 around the first vertical axis L1 based on the intermediate support structure 121 .
The first vertical axis rotating mechanism 140 may be composed of a first vertical rotating body 141 .
For example, the first vertical rotor 141 is composed of a shaft fixed to the lower support structure 131 and a bearing that guides the intermediate support structure 121 rotatably around the first vertical axis L1.

Hereinafter, for convenience of explanation, the position where the trajectory of the guide surface of the guide member 122 that guides the guided member 112 is most recessed will be referred to as the lowest position W. As shown in FIG.

When viewed from above, the position of the first vertical axis L1 may be positioned on a first imaginary line M1, which is an imaginary line parallel to the X direction and containing the position of the center of gravity G of the upper support structure 111 .

When viewed from above, the position of the first vertical axis L1 is on the first imaginary line M1, which is an imaginary line parallel to the X direction and containing the position of the center of gravity G of the upper support structure 111 and the object 50 as a whole. may be located.

When viewed from above, the position of the first vertical axis L1 may be offset from the position of the center of gravity G by a predetermined distance D in one direction along the X direction.

A virtual line that includes the position of the center of gravity of the upper support structure 111 when the position of the first vertical axis L1 is parallel to the X direction and the guided member 112 is in contact with the lowest position W as viewed from above. may be positioned eccentrically by a predetermined distance D in one direction along the X direction from the position of the center of gravity G on the first imaginary line M1.

When viewed from above, the position of the first vertical axis L1 is parallel to the X direction and includes the position of the center of gravity of the entire upper support structure 111 and the object 50 when the guided member 112 is in contact with the lowest position W It may be located eccentrically by a predetermined distance D in one direction along the X direction from the position of the center of gravity G on the first virtual line M1, which is a virtual line.

Next, an object support mechanism according to a second embodiment of the present invention will be described with reference to the drawings.
FIG. 2 is a conceptual diagram of an object support mechanism according to a second embodiment of the invention.

The target object support mechanism 100 is a mechanism that supports the target object 50 .
The object is to be protected from damage due to shaking caused by an earthquake or the like.
For example, object 50 is something to hang.
For example, object 50 may be a statue, pottery, artwork, chandelier, or the like.
For example, the object support mechanism 100 is provided on the ceiling.
For example, the object support mechanism 100 is provided above the space.

The object support mechanism 100 is composed of an upper support mechanism 110 , an intermediate support mechanism 120 and a lower support mechanism 130 .
The object support mechanism 100 may be composed of an upper support mechanism 110 , an intermediate support mechanism 120 , a lower support mechanism 130 and a rotating mechanism 140 around a first vertical axis.
The upper support mechanism 110 is a mechanism that supports an object.
The intermediate support mechanism 120 is a mechanism that supports the upper support mechanism 110 .
The lower support mechanism 130 is a mechanism that supports the intermediate support mechanism 120 so as to be rotatable around a first vertical axis L1 that is a vertical axis extending in the vertical direction.
The rotation mechanism 140 around the first vertical axis is a mechanism that guides the intermediate support mechanism 120 and the lower support mechanism 130 relatively rotatably around the first vertical axis L1.

An upper support mechanism 110 is composed of an upper support structure 111 and a guided member 112 .
FIG. 2 shows how the upper support mechanism 110 is composed of an upper support structure 111 and wheels as guided members 112 .

Upper support structure 111 is a support structure.
The upper support structure 111 is the support structure on which the object is placed.

For example, the guided member 112 is fixed to the upper support structure 111 .
The guided member 112 may be a wheel fixed to the upper support structure 111 so as to be rotatable along the X direction.

An intermediate support mechanism 120 is composed of an intermediate support structure 121 and a guide member 122 .
FIG. 2 shows how the intermediate support mechanism 120 is composed of an intermediate support structure 121 and rails as guide members 122 .

Intermediate support structure 121 is a support structure.
The intermediate support structure 121 is a structure that supports the upper support structure.
The intermediate support structure 121 is a support structure that supports the upper support structure 111 via the guided member 112 and the guide member 122 that are paired.

A guide member 122 is secured to the intermediate support structure 121 .
The guide member 122 is a surface having a trajectory with an intermediate portion recessed along the X direction as viewed from the side so as to guide the guided member 112 movably along the X direction, which is one horizontal direction. have a guide.
The guide member 122 has an intermediate portion that is downwardly positioned along the X direction when viewed from the side so as to roll the wheel, which is the member to be guided 112, along the X direction, which is one horizontal direction, and guide the wheel so that it can move freely. may have a rolling surface that is a guide surface that is a surface with a concave locus.
FIG. 2 shows the guide member 122 forming part of the intermediate support structure 121 .

The object is suspended from the upper support structure such that the center of gravity G of the object is located below the position of the guided member 112 .
The object may be suspended from the upper support structure such that the object's center of gravity G is located directly below the location of the guided member 112 .
The object may be suspended from the upper support structure such that the center of gravity G of the object is located below the position of the wheel axle of the wheel that is the guided member 112 .
For example, the object may be suspended from the upper support structure such that the object's center of gravity G is located directly below the position of the wheel axle of the guided member 112 .

The lower support mechanism 130 is composed of a lower support structure 131 .
The lower support mechanism 130 may consist of a lower support structure 131 and a friction member 132 .

The lower support structure 131 is the support structure.
The friction member 132 is a member that generates a frictional force as the lower support structure 131 and the intermediate support structure 121 rotate about the first vertical axis L1.

The rotation mechanism 140 around the first vertical axis is a rotation mechanism that rotatably guides the intermediate support structure 121 on the basis of the lower support structure 131 around the first vertical axis L1.
The first vertical rotation mechanism 140 is composed of a first vertical rotation bearing 142 .
For example, the first vertical rotary bearing 142 is a bearing having an outer ring fixed to the lower support structure 131 and an inner ring fixed to the intermediate support structure 121 .
For example, the friction member 132 is high-viscosity grease that fills the first vertical rotation bearing 142 of the first vertical rotation mechanism 140 .

Hereinafter, for convenience of explanation, the position where the trajectory of the guide surface of the guide member 122 is most recessed will be referred to as the lowest position W. As shown in FIG.

When viewed from above, the position of the first vertical axis L1 may be positioned on a first imaginary line M1, which is an imaginary line parallel to the X direction and containing the position of the center of gravity G of the upper support structure 111 .
When viewed from above, the position of the first vertical axis L1 is on the first imaginary line M1, which is an imaginary line parallel to the X direction and containing the position of the center of gravity G of the upper support structure 111 and the object 50 as a whole. may be located.

When viewed from above, the position of the first vertical axis L1 may be offset from the position of the center of gravity G by a predetermined distance D in one direction along the X direction.

A virtual line that includes the position of the center of gravity of the upper support structure 111 when the position of the first vertical axis L1 is parallel to the X direction and the guided member 112 is in contact with the lowest position W as viewed from above. may be positioned eccentrically by a predetermined distance D in one direction along the X direction from the position of the center of gravity G on the first imaginary line M1.
When viewed from above, the position of the first vertical axis L1 is parallel to the X direction and includes the position of the center of gravity of the entire upper support structure 111 and the object 50 when the guided member 112 is in contact with the lowest position W It may be positioned eccentrically by a predetermined distance D in one direction along the X direction from the position of the center of gravity G on the first virtual line M1, which is a virtual line.

When viewed from above, the first vertical axis L1 may be positioned on a second imaginary line M2, which is an imaginary line that is parallel to the X direction and includes the point of contact between the guided member 112 and the guide surface.
When viewed from above, the first vertical axis L1 is positioned on a second imaginary line M2, which is an imaginary line parallel to the X direction and containing the contact point between the wheel, which is the guided member 112, and the rolling surface, which is the guiding surface. You may

When viewed from above, the first vertical axis L1 may be offset from the lowest position W by a predetermined distance D in one direction along the X direction.

When viewed from above, the first vertical axis L1 is parallel to the X direction and is located along the X direction from the lowest position on the second imaginary line M2, which is an imaginary line that includes the contact point of the guided member and the guiding surface. may be positioned eccentrically by a predetermined distance D in one direction.
When viewed from above, the first vertical axis L1 is on the second virtual line M2, which is a virtual line parallel to the X direction and containing the contact point of the wheel, which is the member to be guided, and the rolling surface, which is the guide surface, It may be positioned eccentrically by a predetermined distance D in one direction along the X direction from the lowest position W.

Next, an object support mechanism group according to a third embodiment of the present invention will be described with reference to the drawings.
FIG. 3 is a conceptual diagram of an object support mechanism group according to a third embodiment of the invention.

An object support mechanism group according to the third embodiment of the present invention is composed of a plurality of object support mechanisms 100 and a plurality of rotation mechanisms 150 around the second vertical axis.

The object support mechanism 100 is composed of an upper support mechanism 110 , an intermediate support mechanism 120 , a lower support mechanism 130 , a first vertical axis rotating mechanism 140 and a second vertical axis rotating mechanism 150 .
The upper support mechanism 110 is a mechanism that supports an object.
The intermediate support mechanism 120 is a mechanism that supports the upper support mechanism 110 .
The lower support mechanism 130 is a mechanism that supports the intermediate support mechanism 120 so as to be rotatable around a first vertical axis L1 that is a vertical axis extending in the vertical direction.

The configurations of the upper support mechanism 110, the intermediate support mechanism 120, the lower support mechanism 130, and the rotation mechanism 140 around the first vertical axis are the same as those according to the first embodiment, so the description thereof will be omitted.

The rotation mechanism 150 around the second vertical axis is a mechanism that guides the upper support mechanism 110 and the object 50 relatively rotatably around the second vertical axis L2, which is a vertical axis.
The rotation mechanism 150 around the second vertical axis may be composed of a second vertical rotator 152 .
The second vertical rotator 152 is a rotator fixed to one of the upper support mechanism 110 and the object 50 and guiding the other rotatably about the second vertical axis L2.
The second vertical rotator 152 is a rotator that is fixed to one of the upper support mechanism 110 and the object support structure 51 and guides the other rotatably about the second vertical axis L2.
The object support structure 51 is a support structure that supports the object 50 .
A friction member 52 may be sandwiched between the object support structure 51 and the upper support structure 111 .

Viewed from above, a plurality of object support structures 100 are distributed around the center of the object 50, each upper support structure 111 being a plurality of second vertical axes perpendicular to the object. It is fixed to each so as to be rotatable about axis L2.
When viewed from above, a plurality of object support mechanisms 100 and a plurality of second vertical axis rotating mechanisms 150 are arranged so as to be scattered around the center of the object 50, and each upper support structure 111 is It is fixed to each of the objects so as to be rotatable around a plurality of second vertical axes L2 that are perpendicular to the object.

Hereinafter, for convenience of explanation, the position where the trajectory of the guide surface of the guide member 122 that guides the guided member 112 is most recessed will be referred to as the lowest position W. As shown in FIG.

When viewed from above, the first vertical axis L1 may be positioned on a second imaginary line, which is an imaginary line that is parallel to the X direction and includes the point of contact between the guided member 112 and the guide surface.
When viewed from above, the first vertical axis L1 is positioned on a second imaginary line which is parallel to the X direction and which is an imaginary line including the point of contact between the wheel, which is the guided member 112, and the rolling surface, which is the guiding surface. may

When viewed from above, the first vertical axis L1 may be offset from the lowest position W by a predetermined distance D in one direction along the X direction.

When viewed from above, the first vertical axis L1 is parallel to the X direction and is located along the X direction from the lowest position on the second imaginary line M2, which is an imaginary line that includes the contact point of the guided member and the guiding surface. may be positioned eccentrically by a predetermined distance D in one direction.
When viewed from above, the first vertical axis L1 is on the second virtual line M2, which is a virtual line parallel to the X direction and containing the contact point of the wheel, which is the member to be guided, and the rolling surface, which is the guide surface, It may be positioned eccentrically by a predetermined distance D in one direction along the X direction from the lowest position W.

When viewed from above, the second vertical axis L2 may be positioned on a second imaginary line, which is an imaginary line that is parallel to the X direction and includes the point of contact between the guided member and the guiding surface.
When viewed from above, the second vertical axis L2 is positioned on a second imaginary line that is parallel to the X direction and that includes the point of contact between the wheel, which is the member to be guided, and the rolling surface, which is the guide surface. good too.

When viewed from above, the second vertical axis L2 may be eccentrically located in one direction along the X direction from the lowest position W by a predetermined distance D2.

When viewed from above, the second vertical axis L2 is parallel to the X direction and on the second imaginary line M2, which is an imaginary line that includes the point of contact between the guided member 112 and the guide surface, from the lowest position W to the X direction. may be positioned eccentrically by a predetermined distance D0 in one direction along the .

Two examples of the structure of the paired guided member 112 and the guiding member 122 will be described below with reference to the drawings.
FIG. 4 is the first conceptual diagram of the object support mechanism according to the third embodiment of the present invention.
The guided member 112 is a wheel which is rotatable around a horizontal axis and has a spherical surface in contact with the guide surface.
The guide member 122 has a guide surface that guides the spherical surface of the guided member 112 rollably in the X direction, and is formed in a U-shaped groove extending in the X direction.
The guide member 122 has a guide surface that guides the spherical surface of the guided member 112 in the X direction so that it can roll freely in the X direction.

FIG. 5 is a second conceptual diagram of the object support mechanism according to the third embodiment of the present invention.
The guided member 112 is a wheel which is rotatable around a horizontal axis, has a columnar surface at a portion in contact with the guide surface, and has flanges on both sides.
The guide member 122 is formed as a rail with a guide surface that guides the columnar surface of the guided member 112 rollably in the X direction, the guide surface extending in the X direction and sandwiched between flanges.

The following effects can be obtained by using the object support mechanism according to the above-described embodiment.
One of the guided member 112 or the guiding member 122 fixed to the upper support structure 111 corresponds to the other of the guided member 112 or the guiding member 122 fixed to the intermediate supporting structure, and the guided member 112 is the guiding member. The guide surface 122 guides the intermediate support mechanism 120 in the X direction, and the intermediate support mechanism 120 is rotatably supported around the vertical axis. 120 move relative to each other in the horizontal direction while rotating so that the direction in which they move relative to each other faces the direction of shaking, thereby exhibiting a seismic isolation function.

By using the object support mechanism 100 according to the above-described first embodiment, the following effects are exhibited.
One of the plurality of guided members 112 or the plurality of guiding members 122 fixed to the upper support structure 111 corresponds to the other of the plurality of guided members 112 or the plurality of guiding members 122 fixed to the intermediate support structure. , when viewed from above, a plurality of pairs of guided members 112 and guiding members 122 are distributed around the first vertical axis, and the guided members 112 are guided by the guiding surfaces of the guiding members 122 in the X direction. Since the intermediate support mechanism 120 is rotatably supported around the vertical axis, when the lower support mechanism 130 swings in the horizontal direction, the direction in which the upper support mechanism 110 and the intermediate support mechanism 120 move relative to each other swings. It rotates to face the direction and relatively moves in the horizontal direction to exhibit the seismic isolation function.
Also, the friction member generates a frictional force as the lower support structure and the intermediate support structure, which are the support structures of the lower support mechanism, rotate about the first vertical axis.
Also, when viewed from above, the position of the first vertical axis L1 is positioned on the first imaginary line M1, which is an imaginary line that is parallel to the X direction and includes the position of the center of gravity of the upper support structure. When acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 tend to rotate together around the vertical axis.
In addition, when viewed from above, the position of the first vertical axis L1 is located on the first imaginary line M1, which is an imaginary line parallel to the X direction and containing the position of the center of gravity of the upper support structure and the object as a whole. Thus, when acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 tend to rotate together about the vertical axis.
Also, when viewed from above, the position of the first vertical axis L1 is parallel to the X direction and the position of the center of gravity of the upper support structure when the guided member 112 is in contact with the lowest position. Since the position of the center of gravity on a certain first imaginary line M1 is eccentrically positioned in one direction along the X direction by a predetermined distance D, when acceleration occurs in a direction crossing the X direction, the upper support Mechanism 110 and intermediate support mechanism 120 attempt to rotate together about a vertical axis.
Also, when viewed from above, the position of the first vertical axis L1 is parallel to the X direction and the position of the center of gravity of the upper support structure when the guided member 112 is in contact with the lowest position. Since the position of the center of gravity on a certain first imaginary line M1 is eccentrically positioned in one direction along the X direction by a predetermined distance D, when acceleration occurs in a direction crossing the X direction, the upper support Mechanism 110 and intermediate support mechanism 120 attempt to rotate together about a vertical axis.
In addition, a hypothetical position including the position of the center of gravity of the entire upper support structure and the object when the position of the first vertical axis is parallel to the X direction and the guided member is in contact with the lowest position as viewed from above Since the position of the center of gravity on the first virtual line, which is the line of , is eccentrically positioned in one direction along the X direction by a predetermined distance D, the direction intersecting the X direction is When acceleration occurs, the upper and middle support mechanisms tend to rotate together about a vertical axis.

By using the object support mechanism 100 according to the above-described second embodiment, the following effects are exhibited.
The plurality of guided members 112 fixed to the upper support structure 111 correspond to the other of the plurality of guide members 122 fixed to the intermediate support structure, and the guided member 112 is aligned with the guide surface of the guide member 122 in the X direction. , and the object is suspended on the upper support structure 111 . Since the intermediate support mechanism 120 is rotatably supported around the vertical axis, when the lower support mechanism 130 sways in the horizontal direction, the direction in which the upper support mechanism 110 and the intermediate support mechanism 120 move relative to each other is the swaying direction. It rotates to face the direction and relatively moves in the horizontal direction to demonstrate the seismic isolation function.
Also, the friction member generates a frictional force as the lower support structure and the intermediate support structure, which are the support structures of the lower support mechanism, rotate about the first vertical axis.
Also, when viewed from above, the position of the first vertical axis L1 is positioned on the first imaginary line M1, which is an imaginary line that is parallel to the X direction and includes the position of the center of gravity of the upper support structure. When acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 tend to rotate together around the vertical axis.
In addition, when viewed from above, the position of the first vertical axis L1 is located on the first imaginary line M1, which is an imaginary line parallel to the X direction and containing the position of the center of gravity of the upper support structure and the object as a whole. Thus, when acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 tend to rotate together about the vertical axis.
Also, when viewed from above, the position of the first vertical axis L1 is parallel to the X direction and the position of the center of gravity of the upper support structure when the guided member 112 is in contact with the lowest position. Since the position of the center of gravity on a certain first imaginary line M1 is eccentrically positioned in one direction along the X direction by a predetermined distance D, when acceleration occurs in a direction crossing the X direction, the upper support Mechanism 110 and intermediate support mechanism 120 attempt to rotate together about a vertical axis.
Also, when viewed from above, the position of the first vertical axis L1 is parallel to the X direction and the position of the center of gravity of the upper support structure when the guided member 112 is in contact with the lowest position. Since the position of the center of gravity on a certain first imaginary line M1 is eccentrically positioned in one direction along the X direction by a predetermined distance D, when acceleration occurs in a direction crossing the X direction, the upper support Mechanism 110 and intermediate support mechanism 120 attempt to rotate together about a vertical axis.
Also, when viewed from above, the position of the first vertical axis L1 is parallel to the X direction, and an imaginary line including the position of the center of gravity of the entire upper support structure and the object when the guided member 112 is in contact with the lowest position. Since the position of the center of gravity on the first imaginary line M1, which is the imaginary line M1, is offset by a predetermined distance D in one direction along the X direction, acceleration is generated in a direction that intersects the X direction. At this time, the upper support mechanism 110 and the intermediate support mechanism 120 try to rotate together around the vertical axis.
In addition, when viewed from above, the first vertical axis L1 is parallel to the X direction and positioned on the second imaginary line M2, which is an imaginary line including the point of contact between the guided member 112 and the guide surface. When acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 tend to rotate together around the vertical axis.
In addition, since the second vertical axis L2 is positioned eccentrically from the lowermost position in one direction along the X direction by a predetermined distance D0 when viewed from above, acceleration is generated in a direction crossing the X direction. At this time, the upper support mechanism 110 and the intermediate support mechanism 120 try to rotate together about the vertical axis.
In addition, when viewed from above, the first vertical axis L1 is parallel to the X direction and extends from the lowest position in the X direction on the second virtual line M2, which is a virtual line that includes the point of contact between the guided member 112 and the guide surface. 110 and 120 are positioned eccentrically in one direction along the vertical axis by a predetermined distance D. Therefore, when acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 are united to move along the vertical axis. Try to rotate as one.

By using the object support mechanism 100 according to the above-described third embodiment, the following effects are exhibited.
One of the plurality of guided members 112 or the plurality of guiding members 122 fixed to the upper support structure 111 corresponds to the other of the plurality of guided members 112 or the plurality of guiding members 122 fixed to the intermediate support structure. , when viewed from above, a plurality of object support structures 100 are distributed around the object centered inward, each upper support structure 111 being a plurality of second vertical axes perpendicular to the object. Since the members to be guided 112 are guided in the X direction by the guide surfaces of the guide members 122, and the intermediate support mechanism 120 is rotatably supported around the vertical axis, When the lower support mechanism 130 sways in the horizontal direction, the upper support mechanism 110 and the intermediate support mechanism 120 relatively move in the horizontal direction while rotating so that the direction of relative movement faces the direction of swaying, exhibiting a seismic isolation function. .
In addition, when viewed from above, the first vertical axis L1 is parallel to the X direction and positioned on the second imaginary line M2, which is an imaginary line including the point of contact between the guided member 112 and the guide surface. When acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 tend to rotate together around the vertical axis.
In addition, since the first vertical axis L1 was positioned eccentrically in one direction along the X direction from the lowest position by a predetermined distance D when viewed from above, acceleration was generated in a direction crossing the X direction. At this time, the upper support mechanism 110 and the middle support mechanism 120 tend to rotate together about the vertical axis.
In addition, when viewed from above, the first vertical axis L1 is parallel to the X direction and extends from the lowest position in the X direction on the second virtual line M2, which is a virtual line that includes the point of contact between the guided member 112 and the guide surface. 110 and the intermediate support mechanism 120 are positioned eccentrically in one direction along the vertical axis by a predetermined distance D, so that when acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 are integrated around the vertical axis. and try to rotate.
When viewed from above, the second vertical axis L2 is parallel to the X direction and positioned on the second imaginary line M2, which is an imaginary line including the point of contact between the guided member 112 and the guide surface.
When acceleration occurs in a direction crossing the X direction, the upper support mechanism 110 and the intermediate support mechanism 120 tend to rotate together around the vertical axis.
As viewed from above, the second vertical axis L2 was eccentrically located in one direction along the X direction from the lowest position by a predetermined distance D0, so acceleration was generated in a direction crossing the X direction. At this time, the upper support mechanism 110 and the middle support mechanism 120 tend to rotate together about the vertical axis.
When viewed from above, the second vertical axis L2 is parallel to the X direction and extends from the lowest position to the X direction on the second imaginary line M2, which is an imaginary line that includes the point of contact between the guided member 112 and the guide surface. 110 and the intermediate support mechanism 120 are positioned eccentrically in one direction along the vertical axis by a predetermined distance D0. and try to rotate.

The present invention is not limited to the embodiments described above, and various modifications are possible without departing from the gist of the invention.

D predetermined distance D0 predetermined distance G center of gravity L1 first vertical axis
L2 second vertical axis W lowest position M1 first virtual line M2 second virtual line 50 object 51 object support structure 52 friction member 100 object support mechanism 110 upper support mechanism 111 upper support structure 112 guided member 120 Intermediate support mechanism 121 Intermediate support structure 122 Guide member 130 Lower support mechanism 131 Lower support structure 132 Friction member 140 Rotating mechanism around first vertical axis 141 First vertical rotating body 142 First vertical rotary bearing 150 Rotation around second vertical axis Mechanism 152 Second vertical rotor

Japanese Patent Application Laid-Open No. 2001-349092 Japanese Patent Application Laid-Open No. 2000-304087 Japanese Patent Application Laid-Open No. 2001-303590

Claims (9)

An object support mechanism for supporting an object,
an upper support mechanism for supporting an object;
an intermediate support mechanism that supports the upper support mechanism;
a lower support mechanism that supports the intermediate support mechanism so as to be rotatable around a first vertical axis that is a vertical axis extending in the vertical direction;
with
The upper support mechanism guides an upper support structure, which is a support structure, a guided member fixed to the upper support structure, or the guided member so as to be movable along the X direction, which is one horizontal direction. one of the guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side,
The intermediate support mechanism has an intermediate support structure that is a support structure and the other of the guided member and the guide member fixed to the intermediate support structure ,
The lower support mechanism has a lower support structure, which is a support structure, and a friction member that generates a frictional force as the lower support structure and the intermediate support structure rotate about the first vertical axis. ,
An object support mechanism characterized by: An object support mechanism for supporting an object,
an upper support mechanism for supporting an object;
an intermediate support mechanism that supports the upper support mechanism;
a lower support mechanism that supports the intermediate support mechanism so as to be rotatable around a first vertical axis that is a vertical axis extending in the vertical direction;
with
The upper support mechanism guides an upper support structure, which is a support structure, a guided member fixed to the upper support structure, or the guided member so as to be movable along the X direction, which is one horizontal direction. one of the guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side,
The intermediate support mechanism has an intermediate support structure that is a support structure and the other of the guided member and the guide member fixed to the intermediate support structure ,
When the position where the locus of the guide surface is most recessed is called the lowest position,
When viewed from above, the first vertical axis is eccentrically located in one direction along the X direction from the lowest position by a predetermined distance D.
An object support mechanism characterized by: An object support mechanism for supporting an object,
an upper support mechanism for supporting an object;
an intermediate support mechanism that supports the upper support mechanism;
a lower support mechanism that supports the intermediate support mechanism so as to be rotatable around a first vertical axis that is a vertical axis extending in the vertical direction;
with
The upper support mechanism guides an upper support structure, which is a support structure, a guided member fixed to the upper support structure, or the guided member so as to be movable along the X direction, which is one horizontal direction. one of the guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side,
The intermediate support mechanism has an intermediate support structure that is a support structure and the other of the guided member and the guide member fixed to the intermediate support structure ,
When the position where the locus of the guide surface is most recessed is called the lowest position,
on a second imaginary line, which is an imaginary line in which the first vertical axis is parallel to the X direction when viewed from above and includes the point of contact between the guided member and the guide surface, from the lowest position to the X direction; located eccentrically by a predetermined distance D in one direction along
An object support mechanism characterized by: An object support mechanism for supporting an object,
an upper support mechanism for supporting an object;
an intermediate support mechanism that supports the upper support mechanism;
a lower support mechanism that supports the intermediate support mechanism so as to be rotatable around a first vertical axis that is a vertical axis extending in the vertical direction;
with
The upper support mechanism is a support structure, and a plurality of guided members fixed to the upper support structure or a plurality of guided members are arranged along the X direction, which is one horizontal direction. one of a plurality of guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side so as to guide the guide member movably;
The intermediate support mechanism has an intermediate support structure that is a support structure and the other of the plurality of guided members or the plurality of guide members fixed to the intermediate support structure,
When viewed from above, a plurality of pairs of guided members and guiding members are distributed around the first vertical axis,
An object support mechanism characterized by: An object support mechanism for supporting an object,
an upper support mechanism for supporting an object;
an intermediate support mechanism that supports the upper support mechanism;
a lower support mechanism that supports the intermediate support mechanism rotatably around a first vertical axis that is a vertical axis;
with
The upper support mechanism has an upper support structure, which is a support structure, and a guided member fixed to the upper support structure,
When viewed from the side, the intermediate support mechanism is fixed to an intermediate support structure, which is a support structure, and is fixed to the intermediate support structure so as to guide the guided member along the X direction, which is one horizontal direction. a guide member having a guide surface which is a surface having a trajectory concaved downward along the X direction;
The object is suspended from the upper support structure such that the center of gravity of the object is located below the position of the guided member.
An object support mechanism characterized by: An object support mechanism group for supporting an object,
An upper support mechanism that supports an object, an intermediate support mechanism that supports the upper support mechanism, and a lower support mechanism that supports the intermediate support mechanism rotatably about a first vertical axis, which is a vertical axis. a plurality of object support mechanisms in
a rotation mechanism around a second vertical axis that guides the upper support mechanism and the object so as to be relatively rotatable around a second vertical axis;
with
The upper support mechanism guides an upper support structure, which is a support structure, a guided member fixed to the upper support structure, or the guided member so as to be movable along the X direction, which is one horizontal direction. one of the guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side,
The intermediate support mechanism has an intermediate support structure that is a support structure and the other of the guided member and the guide member fixed to the intermediate support structure,
When viewed from above, a plurality of object support structures are distributed around the object centered inward, each said upper support structure about a plurality of second vertical axes perpendicular to the object. are rotatably fixed to each
When the position where the locus of the guide surface is most recessed is called the lowest position,
When viewed from above, the second vertical axis is eccentrically located in one direction along the X direction from the lowest position by a predetermined distance D0.
An object support mechanism group characterized by: An object support mechanism group for supporting an object,
An upper support mechanism that supports an object, an intermediate support mechanism that supports the upper support mechanism, and a lower support mechanism that supports the intermediate support mechanism rotatably about a first vertical axis, which is a vertical axis. a plurality of object support mechanisms in
a rotation mechanism around a second vertical axis that guides the upper support mechanism and the object so as to be relatively rotatable around a second vertical axis;
with
The upper support mechanism guides an upper support structure, which is a support structure, a guided member fixed to the upper support structure, or the guided member so as to be movable along the X direction, which is one horizontal direction. one of the guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side,
The intermediate support mechanism has an intermediate support structure that is a support structure and the other of the guided member and the guide member fixed to the intermediate support structure,
When viewed from above, a plurality of object support structures are distributed around the object centered inward, each said upper support structure about a plurality of second vertical axes perpendicular to the object. are rotatably fixed to each
When the position where the locus of the guide surface is most recessed is called the lowest position,
On a second virtual line, which is a virtual line in which the second vertical axis is parallel to the X direction when viewed from above and includes the point of contact between the guided member and the guide surface, from the lowest position to the X direction located eccentrically by a predetermined distance D0 in one direction along
An object support mechanism group characterized by: An object support mechanism group for supporting an object,
An upper support mechanism that supports an object, an intermediate support mechanism that supports the upper support mechanism, and a lower support mechanism that supports the intermediate support mechanism rotatably about a first vertical axis, which is a vertical axis. a plurality of object support mechanisms in
a rotation mechanism around a second vertical axis that guides the upper support mechanism and the object so as to be relatively rotatable around a second vertical axis;
with
The upper support mechanism guides an upper support structure, which is a support structure, a guided member fixed to the upper support structure, or the guided member so as to be movable along the X direction, which is one horizontal direction. one of the guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side,
The intermediate support mechanism has an intermediate support structure that is a support structure and the other of the guided member and the guide member fixed to the intermediate support structure,
When viewed from above, a plurality of object support structures are distributed around the object centered inward, each said upper support structure about a plurality of second vertical axes perpendicular to the object. are rotatably fixed to each
When the position where the locus of the guide surface is most recessed is called the lowest position,
When viewed from above, the second vertical axis is eccentrically located in one direction along the X direction from the lowest position by a predetermined distance D0.
An object support mechanism group characterized by: An object support mechanism group for supporting an object,
An upper support mechanism that supports an object, an intermediate support mechanism that supports the upper support mechanism, and a lower support mechanism that supports the intermediate support mechanism rotatably about a first vertical axis, which is a vertical axis. a plurality of object support mechanisms in
a rotation mechanism around a second vertical axis that guides the upper support mechanism and the object so as to be relatively rotatable around a second vertical axis;
with
The upper support mechanism guides an upper support structure, which is a support structure, a guided member fixed to the upper support structure, or the guided member so as to be movable along the X direction, which is one horizontal direction. one of the guide members having a guide surface which is a surface having a trajectory in which the intermediate portion is recessed along the X direction when viewed from the side,
The intermediate support mechanism has an intermediate support structure that is a support structure and the other of the guided member and the guide member fixed to the intermediate support structure,
When viewed from above, a plurality of object support structures are distributed around the object centered inward, each said upper support structure about a plurality of second vertical axes perpendicular to the object. are rotatably fixed to each
When the position where the locus of the guide surface is most recessed is called the lowest position,
On a second virtual line, which is a virtual line in which the second vertical axis is parallel to the X direction when viewed from above and includes the point of contact between the guided member and the guide surface, from the lowest position to the X direction located eccentrically by a predetermined distance D0 in one direction along
An object support mechanism group characterized by:

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