JP7072862B2 - Object support device - Google Patents

Description

The present invention relates to an object support device that supports an object. In particular, the present invention relates to an object support device focusing on a seismic isolation function against vibration in the vertical direction.

As a horizontal object support device (for example, a seismic isolation table), several configurations have been conventionally devised. A horizontal seismic isolation table can be realized relatively easily. Since the weight of the object supported by the seismic isolation table is supported by the XY table, bearings, etc., the horizontal spring constant can be set relatively small to respond to horizontal acceleration vibration during an earthquake. For example, a mechanism such as a bearing can support a load in the vertical direction, suppress a resistance force against vibration in the horizontal direction, and effectively exert a seismic isolation effect.

On the other hand, an object support device for vibration in the vertical direction is required to have a simple configuration and can be realized at low cost.

Waves with various periods overlap with the waves of an earthquake, and among them, the wave component with a period of about 0.5 to 1.0 seconds is predominant. By making the natural period of the object support device in the vertical direction longer than 1 second, it is possible to avoid resonance of the object support device with respect to seismic waves and increase the seismic isolation effect. The seismic isolation effect increases as the vertical natural period of the object support device increases to 1 second, 2 seconds, 3 seconds, and 5 seconds. It is preferably at least about 2 seconds.

In order to make the vertical natural period of the object support device about 2 seconds, it is necessary to soften the spring in the vertical direction. Here, in order to set the natural period of the object support device in the vertical direction to about 2 seconds, if the spring constant is constant, a static deflection of about 1 m is required regardless of the mass of the object. I know. When an object is gently placed on a seismic isolation device in a no-load state, it sinks about 1 m and balances, and vibrates up and down around this static balance position to exert a seismic isolation effect. The height of the object support device is about 1 m to several tens of cm. If the natural period of the seismic isolation device in the vertical direction is set to 3 seconds and 5 seconds, the static deflection becomes even larger.

In particular, as the object support device for vibration in the vertical direction, a seismic isolation device having a non-linear spring characteristic having extremely small static deflection for a certain load and a soft spring constant when the load exceeds a certain value is preferable.
For example, when an object is placed on a table, it flexes statically up to one position and then statically suspends at that static suspension position. When an earthquake occurs, it vibrates up and down around the static suspension position.

In the market, a pair of vertical movement guide mechanisms arranged on the table and the base, a vertical spring member that exerts an upward spring force on the table, and the table are inclined in opposite directions and intersect in an X shape. It consists of a pair of links that are rotatably connected at the intersection, one link rotatably connected to the table at the top, the bottom end rotatably guided by the horizontal movement guidance mechanism below, and the other link. Is rotatably connected with the lower end as the base, and the other end is horizontally moved to the upper horizontal movement guide mechanism. An object support device having a table support mechanism composed of and is provided.

The above-mentioned object support device exerts the above-mentioned function by adjusting the specifications of the link and the specifications of the spring. When the above-mentioned object support device and table move up and down, the center of gravity of the table support mechanism moves up and down and moves left and right.
As a result, it is known that when the table moves up and down, the vertical movement and the horizontal movement of the table support mechanism may affect each other to generate undesired vibration.
The market wants the applicant of the present application to further improve the seismic isolation function of the above-mentioned object support device.

The present invention has been devised in view of the above-mentioned problems, and an object of the present invention is to provide an object support device for supporting an object having a simple structure and further improved seismic isolation function.

In order to achieve the above object, the object support device for supporting the object according to the present invention supports the table on which the object is placed, the base supported by the foundation, and the table based on the base. A table support mechanism is provided, the table support mechanism has a horizontal movement guide mechanism, a vertical spring member, a link mechanism, and a horizontal spring member, and the horizontal movement guide mechanism is arranged apart in the vertical direction. It has a first horizontal movement guidance mechanism and a second horizontal movement guidance mechanism, and the first horizontal movement guidance mechanism is a pair of left and right guide blocks arranged apart from each other along a specific horizontal axis with respect to the base. The first right side guide block, the first left side guide block, and the left and right guide blocks, which are a pair of left and right guide rails that movably guide the pair of left and right guide blocks along a pair of left and right orbits extending along a specific horizontal axis. A second right guide block, which includes a guide rail and a first left guide rail, and the second horizontal movement guide mechanism is a pair of left and right guide blocks arranged apart from each other along a specific horizontal axis with respect to the table. A second right guide rail and a second left side guide rail, which are a pair of left and right guide rails that movably guide the second left guide block and the pair of left and right guide blocks along a pair of left and right orbits extending along a specific horizontal axis. The vertical spring member, including a guide rail, is a member that generates an upward spring force on the table based on the base, and the link mechanism is arranged apart from each other along a specific horizontal axis. It has a right-hand link set and a left-side link set, which are a pair of links, and the right-side link set is rotatably connected at a point where the right-side link set is inclined in the opposite direction to each other and intersects in an X-shape when viewed along a specific line of sight. A pair of links, a first right side link and a second right side link, are included, and the left side link set is slanted in opposite directions when viewed along a specific line of sight, and is rotatable at a point where it intersects and intersects in an X shape. A first left side link and a second left side link, which are a pair of links connected to the first right side link, and the first right side link and the first left side link are members whose upper end is supported by the table. A pair of second guide blocks that are rotatably connected to the one-rotation fixing member around the first upper rotation center, which is the center of rotation, and whose lower end is the center of rotation of the first right guide block and the first left guide block. (1) A second rotation fixing member that is rotatably connected to each other around the center of downward rotation, and the second right side link and the second left side link are members whose lower end is supported by the base. The second downward rotation center, which is the center of rotation The upper end is rotatably connected to each of the second right guide block and the second left guide block around a pair of second upper rotation centers which are rotation centers.
The direction in which the upper and lower ends of the horizontal spring member approach the link of the pair of the first right side link and the second right side link or the pair of the first left side link and the second left side link. A member that exerts a spring force along the specific horizontal axis, where the specific horizontal axis is a horizontal axis extending in a specific horizontal direction, and a specific line of sight is a line of sight that intersects the specific horizontal axis and extends in the horizontal direction. There was, it was.

According to the configuration of the present invention, the specific horizontal axis is a horizontal axis extending in a specific horizontal direction. The specific line of sight is a line of sight that intersects the specific horizontal axis and extends in the horizontal direction. The table can carry the object. The foundation is supported by the foundation. The table support mechanism supports the table on the basis of the base. The table support mechanism has a horizontal movement guide mechanism, a vertical spring member, a link mechanism, and a horizontal spring member. The horizontal movement guidance mechanism has a first horizontal movement guidance mechanism and a second horizontal movement guidance mechanism arranged apart from each other in the vertical direction. The first horizontal movement guide mechanism is a pair of left and right guide blocks arranged apart from the base along a specific horizontal axis, that is, a first right guide block, a first left guide block, and a pair of left and right guides. It includes a first right side guide rail and a first left side guide rail, which are a pair of left and right guide rails that movably guide the block along a pair of left and right orbits extending along a specific horizontal axis. The second horizontal movement guide mechanism is a pair of left and right guide blocks arranged apart from each other along a specific horizontal axis with respect to the table, a second right guide block, a second left guide block, and a pair of left and right guide blocks. Includes a second right guide rail and a second left guide rail, which are a pair of left and right guide rails that are movably guided along a pair of left and right orbits extending along a specific horizontal axis. The vertical spring member. An upward spring force is generated on the table based on the base. The link mechanism has a right-hand link set and a left-side link set, which are a set of left and right links arranged apart from each other along a specific horizontal axis. The first right side link and the second right side link, which are a pair of links that are rotatably connected at the points where the right side link set is inclined in the opposite direction to each other when viewed along a specific line of sight and intersects in an X shape, are rotatably connected. include. The first left side link and the second left side link, which are a pair of links that are rotatably connected at the points where the left side link set is inclined in the opposite direction to each other when viewed along a specific line of sight and intersects in an X shape, are rotatably connected. include. The first right side link and the first left side link rotatably connect the upper end to the first rotation fixing member which is a member supported by the table around the first upper rotation center which is the center of rotation. The lower end is rotatably connected to the first right side guide block and the first left side guide block around a pair of first lower rotation centers which are rotation centers. The second right side link and the second left side link are rotatably around the second lower rotation center, which is the center of rotation, on the second rotation fixing member, which is a member whose lower end is supported by the base. The upper end is rotatably connected to the second right guide block and the second left guide block around a pair of second upper rotation centers which are the centers of rotation. The horizontal spring members approach the links of the pair of the first right side link and the second right side link or the pair of the first left side link and the second left side link with their upper and lower ends approaching each other. A spring force is applied in the direction along the specific horizontal axis.
As a result, as the table moves up and down, the inertial forces in the left-right direction of the right-side link set and the left-side link set cancel each other out, and the desired combined reaction force is stabilized by selecting the link mechanism and spring specifications. It can act on the table.

The object support device according to the 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.

Further, the first rotation fixing member is fixed and supported on the table, and the second rotation fixing member is fixed and supported on the base.
According to the configuration of the embodiment according to the present invention, the first rotation fixing member is fixed and supported on the table. The second rotation fixing member is fixed and supported on the base.
As a result, the desired synthetic reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring.

Further, the first rotation fixing member is fixed and supported by the table, and the second rotation fixing member restrains the movement in the direction of the specific horizontal axis and can freely move in the vertical direction with respect to the base. It is supported by the base so as to be.
According to the configuration of the embodiment according to the present invention, the first rotation fixing member is fixed and supported on the table. The second rotation fixing member is supported by the base so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the base.
As a result, the relative movement of the second rotation fixing member in the vertical direction is allowed, and the desired combined reaction force can be stably applied to the table by selecting the specifications of the link mechanism and the spring.

Further, the first rotation fixing member is supported by the table so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the table, and the second rotation fixing member is supported. It is fixed and supported on the base.
According to the configuration of the embodiment according to the present invention, the first rotation fixing member is supported by the table so as to restrain the orientation movement of the specific horizontal axis and allow the table to move freely in the vertical direction with respect to the table. The second rotation fixing member is fixed and supported on the base.
According to the configuration of the embodiment according to the present invention, the first rotation fixing member is supported by the table so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the table. To. The second rotation fixing member is fixed and supported on the base.
As a result, the relative movement of the first rotation fixing member in the vertical direction is allowed, and the desired combined reaction force can be stably applied to the table by selecting the specifications of the link mechanism and the spring.

Further, the first rotation fixing member is supported by the table so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the table.
The second rotation fixing member is supported by the base so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the base.
According to the configuration of the embodiment according to the present invention,
The first rotation fixing member is supported by the table so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the table.
The second rotation fixing member is supported by the base so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the base.
As a result, the relative movement of the first rotation fixing member and the second rotation fixing member in the vertical direction is allowed, and the desired combined reaction force is stably put on the table by selecting the specifications of the link mechanism and the spring. Can act.

Further, when the pair of left and right orbits transition along the direction in which they are separated from each other along the specific horizontal axis, they extend so as to be biased to one of the vertical directions as the transition occurs.
According to the configuration of the embodiment according to the present invention, when the pair of left and right orbits transition along the direction in which they are separated from each other along the specific horizontal axis, they extend so as to be biased to one in the vertical direction as the transition occurs.
As a result, the desired combined reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring by appropriately selecting the degree of bias to one side in the vertical direction as the transition occurs.

In order to achieve the above object, the object support device for supporting the object according to the present invention supports the table on which the object is placed, the base supported by the foundation, and the table based on the base. A table support mechanism is provided, and the table support mechanism has a horizontal movement guide mechanism, a vertical spring member, a link mechanism, and a horizontal spring member.
The horizontal movement guidance mechanism has a first horizontal movement guidance mechanism and a second horizontal movement guidance mechanism arranged apart from each other in the vertical direction, and the first horizontal movement guidance mechanism has a specific horizontal axis with respect to the base. A pair of left and right guide blocks, a pair of left and right guide blocks, and a pair of left and right guide blocks, which are a pair of left and right guide blocks arranged apart from each other, are arranged along a pair of left and right orbits extending along a specific horizontal axis. The second horizontal movement guide mechanism includes a first right guide rail and a first left guide rail, which are a pair of left and right guide rails that guide the table freely, and the second horizontal movement guide mechanism is arranged apart from the table along a specific horizontal axis. A pair of left and right guide blocks, a second right guide block, a second left guide block, and a pair of left and right guide blocks are movably guided along a pair of left and right orbits extending along a specific horizontal axis. The vertical spring member includes a second right guide rail and a second left guide rail, which are a pair of guide rails, and is a member that generates an upward spring force on the table based on the base. The mechanism has a right-hand link set and a left-side link set, which are a set of left and right links arranged apart from each other along a specific horizontal axis, and the right-side link set tilts in opposite directions when viewed along a specific line of sight. The left side link set includes a first right side link and a second right side link, which are a pair of links that intersect in an X shape and are rotatably connected at the intersections, and the left side link sets are oriented in opposite directions when viewed along a specific line of sight. The first right side link and the first left side link include a pair of links, a first left side link and a second left side link, which are a pair of links that are inclined to each other and intersect in an X shape and are rotatably connected at the intersection. The upper end is rotatably connected to the first rotation fixing member around the first upper rotation center, which is the center of rotation, and the lower end is rotated to the first right guide block and the first left guide block. The second right side link and the second left side link are rotatably connected to each other around a pair of central first lower rotation centers, and the lower end of the second right side link is attached to the second rotation fixing member at the center of rotation. Rotatably connected around a certain second downward rotation center and rotatably around a pair of second upper rotation centers that are rotation centers to the second right guide block and the second left guide block at the upper end. The horizontal spring members are connected to each of the above and below each other to the link of the pair of the first right side link and the second right side link or the pair of the first left side link and the second left side link. Spring force along the specific horizontal axis in the direction in which the ends of the Here, the specific horizontal axis is a horizontal axis extending in a specific horizontal direction, and the specific line of sight is a line of sight that intersects the specific horizontal axis and extends in the horizontal direction.

According to the configuration of the present invention, the specific horizontal axis is a horizontal axis extending in a specific horizontal direction. The specific line of sight is a line of sight that intersects the specific horizontal axis and extends in the horizontal direction. The table can carry the object. The foundation is supported by the foundation. The table support mechanism supports the table on the basis of the base. The table support mechanism has a horizontal movement guide mechanism, a vertical spring member, a link mechanism, and a horizontal spring member. The horizontal movement guidance mechanism has a first horizontal movement guidance mechanism and a second horizontal movement guidance mechanism arranged apart from each other in the vertical direction. The first horizontal movement guide mechanism is a pair of left and right guide blocks arranged apart from the base along a specific horizontal axis, that is, a first right guide block, a first left guide block, and a pair of left and right guides. It includes a first right guide rail and a first left guide rail, which are a pair of left and right guide rails that movably guide the block along a pair of left and right orbits extending along a specific horizontal axis. The second horizontal movement guide mechanism is a pair of left and right guide blocks arranged apart from each other along a specific horizontal axis with respect to the table, a second right guide block, a second left guide block, and a pair of left and right guide blocks. Includes a second right guide rail and a second left guide rail, which are a pair of left and right guide rails that are movably guided along a pair of left and right orbits extending along a specific horizontal axis. The vertical spring member. An upward spring force is generated on the table based on the base. The link mechanism has a right-hand link set and a left-side link set, which are a set of left and right links arranged apart from each other along a specific horizontal axis. The first right side link and the second right side link, which are a pair of links that are rotatably connected at the points where the right side link set is inclined in the opposite direction to each other when viewed along a specific line of sight and intersects in an X shape, are rotatably connected. include. The first left side link and the second left side link, which are a pair of links that are rotatably connected at the points where the left side link set is inclined in the opposite direction to each other when viewed along a specific line of sight and intersects in an X shape, are rotatably connected. include. The first right side link and the first left side link are rotatably connected to the first rotation fixing member around the first upper rotation center, which is the center of rotation, and the lower end is connected to the first rotation fixing member. The right side guide block and the first left guide block are rotatably connected to each other around a pair of first lower rotation centers which are rotation centers. The second right side link and the second left side link are rotatably connected to the second rotation fixing member around the second lower rotation center, which is the center of rotation, and the upper end is connected to the second rotation fixing member. The right side guide block and the second left side guide block are rotatably connected to each other around a pair of second upper rotation centers which are rotation centers. The horizontal spring members approach the links of the pair of the first right side link and the second right side link or the pair of the first left side link and the second left side link with their upper and lower ends approaching each other. A spring force is applied in the direction along the specific horizontal axis.
As a result, as the table moves up and down, the inertial forces in the left-right direction of the right-side link set and the left-side link set cancel each other out, and the desired combined reaction force is stabilized by selecting the link mechanism and spring specifications. It can act on the table.

The object support device according to the 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.

Further, the first rotation fixing member is fixed and supported by the table, and the second rotation fixing member is not restrained by the base.
According to the configuration of the embodiment according to the present invention, the first rotation fixing member is fixed and supported on the table. The second rotation fixing member is not restrained by the base.
As a result, the desired synthetic reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring.

Further, the first rotation fixing member is not restrained by the table, and the second rotation fixing member is fixed and supported by the base.
According to the configuration of the embodiment according to the present invention, the first rotation fixing member is not restrained by the table. The second rotation fixing member is fixed and supported on the base.
As a result, the desired synthetic reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring.

Further, the first rotation fixing member is not restrained by the table, and the second rotation fixing member is not restrained by the base.
According to the configuration of the embodiment according to the present invention, the first rotation fixing member is not restrained by the table. The second rotation fixing member is not restrained by the base.
As a result, the desired synthetic reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring.

Further, when the pair of left and right orbits transition along the direction in which they are separated from each other along the specific horizontal axis, they extend so as to be biased to one of the vertical directions as the transition occurs.
According to the configuration of the embodiment according to the present invention, when the pair of left and right orbits transition along the direction in which they are separated from each other along the specific horizontal axis, they extend so as to be biased to one in the vertical direction as the transition occurs.
As a result, the desired combined reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring by appropriately selecting the degree of bias to one side in the vertical direction as the transition occurs.

As described above, the object support device according to the present invention has the following effects depending on the procedure and configuration thereof.
A pair of left and right guide rails that guide a pair of left and right guide blocks along a trajectory extending in the horizontal direction are arranged on each of the table and the base, and an upward spring force is generated on the table based on the base to form an X shape. The right side link set and the left side link set that are rotatably connected at the intersections are arranged on the left and right, and the first right side link and the first left side link are supported by the table at the upper end. It is rotatably connected to the first rotary fixing member, and the lower end is rotatably connected to each of the pair of lower left and right guide blocks, and the second right side link and the second left side link are the lower ends. The portions are rotatably connected to the second rotary fixing member supported by the base, and the upper end portions are rotatably connected to the pair of left and right guide blocks above, respectively, and the link of the right link set or the left side. Since the spring force is applied to each of the links of the link set in the direction of approaching each other, the inertial force in the left-right direction between the right link set and the left link set cancels out as the table moves up and down, and the link mechanism By selecting the specifications of the spring and the spring, the desired synthetic reaction force can be stably applied to the table.
Since the first rotation fixing member is fixed and supported by the table and the second rotation fixing member is fixed and supported by the base, the specifications of the link mechanism and the spring are selected. Therefore, the desired synthetic reaction force can be stably applied to the table.
The first rotation fixing member is fixed and supported by the table, and the second rotation fixing member restrains the movement in the left-right direction and allows the relative movement in the vertical direction with respect to the base. Since it is supported by the base, the relative movement of the second rotation fixing member in the vertical direction is allowed, and the desired combined reaction force is stably stabilized by selecting the link mechanism and the specifications of the spring. Can act on.
The first rotation fixing member is supported by the table so as to restrain movement in the left-right direction and allow relative movement in the vertical direction with respect to the table, and the second rotation fixing member is attached to the base. Since it is fixed and supported, the relative movement of the first rotation fixing member in the vertical direction is allowed.
By selecting the link mechanism and the specifications of the spring, the desired synthetic reaction force can be stably applied to the table.
The first rotation fixing member is supported by the table so as to restrain movement in the left-right direction and allow relative movement in the vertical direction with respect to the table, and the second rotation fixing member is oriented in the left-right direction. Since the movement is restrained and supported by the base so as to be able to move freely in the vertical direction with respect to the base, the first rotation fixing member and the second rotation fixing member are moved up and down. By allowing relative movement in the direction and selecting the link mechanism and spring specifications, the desired combined reaction force can be stably applied to the table.
When the pair of left and right orbits transition along the specific horizontal axis in a direction away from each other, they extend so as to be biased to one side in the vertical direction as the transition occurs. By appropriately selecting, the desired synthetic reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring.
A pair of left and right guide rails that guide a pair of left and right guide blocks along a trajectory extending in the horizontal direction are arranged on each of the table and the base, and an upward spring force is generated on the table based on the base to form an X shape. The right side link set and the left side link set that are rotatably connected at the intersections are arranged on the left and right, and the first right side link and the first left side link fix the upper end by the first rotation. It is rotatably connected to the member and the lower end is rotatably connected to each of the pair of lower left and right guide blocks, and the second right side link and the second left side link secondly rotate the lower end. It is rotatably connected to the fixing member, and the upper end is rotatably connected to each of the pair of left and right guide blocks above, and spring force is applied in the direction of approaching the link of the right link group or the link of the left link group. Since the relative left-right movement of the table is suppressed and the table is guided so as to be movable in the vertical direction based on the base that acts on each, the right-right link group and the left-side link set are used as the table moves up and down. The inertial forces in the left-right direction cancel each other out, and the desired combined reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring.
Since the first rotation fixing member is fixed and supported by the table and the second rotation fixing member is not restrained by the base, it is desired by selecting the specifications of the link mechanism and the spring. The synthetic reaction force of can be stably applied to the table.
Since the first rotation fixing member is not restrained by the table and the second rotation fixing member is fixed and supported by the base, the specifications of the link mechanism and the spring should be selected. The desired synthetic reaction force can be stably applied to the table.
Since the first rotation fixing member is not restrained by the table and the second rotation fixing member is not restrained by the base, the desired synthetic reaction can be selected by selecting the specifications of the link mechanism and the spring. The force can be stably applied to the table.
When the pair of left and right orbits transition along the specific horizontal axis in a direction away from each other, they extend so as to be biased to one side in the vertical direction as the transition occurs. By appropriately selecting, the desired synthetic reaction force can be stably applied to the table by selecting the link mechanism and the specifications of the spring.
When viewed from above, N table support mechanisms are arranged so as to surround the table so as to support each of the tables, so that the N table support mechanisms are stable and exempt from the table based on the base. It can be trembled and supported.
When two table support mechanisms are arranged apart from each other in the front-rear direction when viewed from above to support each of the tables, N table support mechanisms are stably seismically isolated from the table based on the base. Can be supported.
Therefore, it is possible to provide a seismic isolation device that supports an object having a simple structure and further adapted to the seismic isolation function.

It is a conceptual diagram of the object support device 1 which concerns on 1st Embodiment of this invention. It is a conceptual diagram of the object support device 2 which concerns on 1st Embodiment of this invention. It is an operation explanatory drawing of the object support device 1 which concerns on 1st Embodiment of this invention. It is a conceptual diagram of the object support device 1 which concerns on the 2nd Embodiment of this invention. It is a conceptual diagram of the object support device 2 which concerns on the 2nd Embodiment of this invention. It is a conceptual diagram of the object support device 3 which concerns on the 2nd Embodiment of this invention. It is a conceptual diagram of the object support device 4 which concerns on the 2nd Embodiment of this invention. It is a conceptual diagram of the object support device 5 which concerns on the 2nd Embodiment of this invention. It is a conceptual diagram of the object support device 6 which concerns on the 2nd Embodiment of this invention. It is a conceptual diagram of the object support device 1 which concerns on 3rd Embodiment of this invention. It is a conceptual diagram of the object support device 2 which concerns on 3rd Embodiment of this invention. It is a conceptual diagram of the object support device 3 which concerns on 3rd Embodiment of this invention. It is a conceptual diagram of the object support device 4 which concerns on 3rd Embodiment of this invention. It is a conceptual diagram of the object support device 5 which concerns on 3rd Embodiment of this invention. It is a conceptual diagram of the object support device 6 which concerns on the 3rd Embodiment of this invention. It is a synthetic spring reaction force graph of the object support device which concerns on embodiment of this invention. It is a comparative graph of the synthetic spring reaction force of the object support device which concerns on embodiment of this invention. This is an example of adoption of the object support device according to the embodiment of the present invention. It is a side view of the adoption example of the object support device which concerns on embodiment of this invention. It is a top view of the adoption example of the object support device which concerns on embodiment of this invention. It is a conceptual diagram of the conventional object support device. It is an operation explanatory diagram of the conventional object support device.

Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.

First, FIG. 1 illustrating an object support device according to an embodiment of the present invention is a conceptual diagram of the object support device 1 according to the first embodiment of the present invention. FIG. 2 is a conceptual diagram of the object support device 2 according to the first embodiment of the present invention. FIG. 3 is an operation explanatory view of the object support device 1 according to the first embodiment of the present invention.
In the figure, the straight line with the vertical arrow in bold, the straight line with the horizontal arrow in bold, and the curve with the horizontal arrow in bold are the freedom of movement of the table 100 with respect to the base 200 according to the structure shown in the figure. Indicates the degree.
The fact that there is no mark on the straight line or curve means that the movement in the direction indicated by the arrow is not restricted.
A cross mark on a straight line or a curve means that the movement in the direction indicated by the arrow is restricted.
A triangle mark on a straight line or a curve means that the movement in the direction indicated by the arrow generates a restoring force within a certain limit.

The object support device is a device that supports the object 10.
The object support device is used as a device that supports the object 10 and seismically isolates vibration in the vertical direction.
The object support device may be used in combination with a device for seismic isolation of horizontal vibration.

The object support device includes a table 100, a base 200, and a table support mechanism 300.
The table 100 is on which the object 10 is placed.
The base 200 is supported by the foundation.
The table support mechanism 300 is a mechanism that supports the table 100 based on the base 200.
The structure of the table support mechanism 300 will be described below.
Hereinafter, for convenience of explanation, a horizontal axis extending in a specific horizontal direction is referred to as a specific horizontal axis x, and a line of sight that intersects the specific horizontal axis x and extends in the horizontal direction is referred to as a specific line of sight.

The table support mechanism 300 includes a horizontal movement guide mechanism 310, a vertical spring member 320, a link mechanism 330, and a horizontal spring member 340.

The horizontal movement guidance mechanism 310 includes a first horizontal movement guidance mechanism 311 and a second horizontal movement guidance mechanism 312 arranged apart from each other in the vertical direction.
The horizontal movement guide mechanism 310 may be composed of a first horizontal movement guide mechanism 311 and a second horizontal movement guide mechanism 312 sandwiched between the table 100 and the base 200 and arranged apart from each other in the vertical direction.
The first horizontal movement guide mechanism 311 may be supported by the base 200, and the second horizontal movement guide mechanism 312 may be supported by the table 100.

The first horizontal movement guide mechanism 311 is composed of a first right side guide block 311Br, a first left side guide block 311Bl, a first right side guide rail 311Rr, and a first left side guide rail 311Rl.
The first right side guide block 311Br and the first left side guide block 311Bl are a pair of left and right guide blocks arranged apart from each other along a specific horizontal axis x with respect to the base 200.
The first right side guide rail 311Rr and the first left side guide rail 311Rl are a pair of left and right guide rails that movably guide a pair of left and right guide blocks along a pair of left and right track g extending along a specific horizontal axis x. Is.
The first right guide rail 311Rr guides the first right guide block 311Br movably along the right track g extending along the specific horizontal axis x. The first left guide rail 311Rl is the first left guide block. 311Bl is movably guided along the left orbit g extending along the specific horizontal axis x.
The first right side guide rail 311Rr and the first left side guide rail 311Rl may be fixed to the base 200.
1 and 2 show how the first right side guide rail 311Rr and the first left side guide rail 311Rl are fixed to the base 200.
FIG. 1 shows how the first right side guide rail 311Rr and the first left side guide rail 311Rl are arranged on the left and right with the second rotation fixing member 332F described later sandwiched between them and fixed to the base 200. Will be.
FIG. 2 shows how the first right side guide rail 311Rr and the first left side guide rail 311Rl are arranged by being sandwiched between a pair of left and right second rotation fixing members 332F, which will be described later, and are fixed to the base 200. Will be.

The second horizontal movement guide mechanism 312 is composed of a second right side guide block 312Br, a second left side guide block 312Bl, a second right side guide rail 312Rr, and a second left side guide rail 312Rl.
The second right side guide block 312Br and the second left side guide block 312Bl are a pair of left and right guide blocks arranged apart from each other along the specific horizontal axis x with respect to the table 100.
The second right side guide rail 312Rr and the second left side guide rail 312Rl are a pair of left and right guide rails that movably guide a pair of left and right guide blocks along a pair of left and right track g extending along a specific horizontal axis x. Is.
The second right guide rail 312Rr guides the second right guide block 312Br movably along the right track g extending along the specific horizontal axis x. The second left guide rail 312Rl is the second left guide block. 312Bl is movably guided along the left orbit g extending along the specific horizontal axis x.
The second right side guide rail 312Rr and the second left side guide rail 312Rl may be fixed to the table 100.
1 and 2 show how the second right side guide rail 312Rr and the second left side guide rail 312Rl are fixed to the table 100.
FIG. 1 shows how the second right side guide rail 312Rr and the second left side guide rail 312Rl are arranged to the left and right with the first rotation fixing member 331F described later sandwiched between them and fixed to the table 100. ..
FIG. 2 shows how the second right side guide rail 312Rr and the second left side guide rail 312Rl are arranged by being sandwiched between a pair of left and right first rotation fixing members 331F, which will be described later, and are fixed to the table 100. ..

The vertical spring member 320 is a member that generates an upward spring force on the table 100 based on the base 200.
The vertical spring member 320 has a spring constant selected by design.
The vertical spring member 320 may be a compression spring.
For example, the compression spring has its lower end connected to the base 200 and its upper end connected to the table 100 to exert an upward compressive force on the table 100.
The vertical spring member 320 may be a tension spring.
For example, the tension spring has its lower end connected to the table 100 and its upper end connected to the base, and an upward tensile force is applied to the table 100.
1 and 2 show an example of a structure in which the vertical spring member 320 generates an upward spring force on the table 100 based on the base 200.
The upward hollow arrow in the figure indicates the spring force exerted by the vertical spring member 320 on the table 100.
1 and 2 schematically show how a compression spring is provided between the table 100 and the base 200.

The link mechanism 330 is a mechanism that generates an upward spring force on the table 100 based on the base 200.
The link mechanism 330 transmits the spring force generated by the horizontal spring member 340, which will be described later, to generate an upward spring force on the table 100 based on the base 200.
The upward spring force generated by the link mechanism 330 may have a negative spring constant whose magnitude decreases as the table 100 is displaced downward in a part of the range in which the table 100 moves up and down.

The link mechanism 330 is composed of a right side link group 330r and a left side link group 330l, which are a pair of left and right links arranged apart from each other along a specific horizontal axis x.
The specifications of the right link set 330r and the specifications of the left link set 330l are substantially the same except that the left and right directions are different.

The right side link set 330r is a pair of links that are inclined in opposite directions and intersect in an X shape when viewed along a specific line of sight and are rotatably connected at the intersection, and the first right side link 331r and the second right side. It is composed of a link 332r.
For example, the right side link set 330r is a pair of links that are inclined in opposite directions when viewed along a specific line of sight and intersect in an X shape, and are rotatably connected by the right side link connecting shaft 333r at the intersection. It is composed of one right side link 331r and a second right side link 332r.
The first left side link 331l and the second left side link, which are a pair of links in which the left side link set 330l is rotatably connected at a point where the left side link set 330l is inclined in the opposite direction to each other and intersects in an X shape when viewed along a specific line of sight. It is composed of 332 liters.
For example, the left side link set 330l is a pair of links rotatably connected by the left side link connecting shaft 333l at a position where the left side link set 330l is inclined in the opposite direction to each other and intersects in an X shape when viewed along a specific line of sight. It is composed of a left side link 331l and a second left side link 332l.

The first right side link 331r and the first left side link 331l are rotatably connected around the first upper rotation center 331Cu whose upper end is the center of rotation, and the lower end is connected to the first right side guide block 311Br. It is rotatably connected to each of the first left guide block 311Bl around a pair of first lower rotation centers 331Cd which are rotation centers.
The first right side link 331r and the first left side link 331l rotate around the first upper rotation center 331Cu which is the center of rotation on the first rotation fixing member 331F which is a member whose upper end is supported by the table 100. It is freely connected, and even if the lower end is rotatably connected to the first right guide block 311Br and the first left guide block 311Bl around a pair of first lower rotation centers 331Cd which are rotation centers. good.
For example, the first right side link 331r is rotatably connected to the first rotation fixing member 331F, which is a member whose upper end is supported by the table 100, around the first upper rotation center 331Cu, which is the center of rotation. The lower end is rotatably connected to each of the first right guide block 311Br around the first lower rotation center 331Cd, which is the center of rotation.
For example, the first left side link 331l is rotatably connected to the first rotation fixing member 331F, which is a member whose upper end is supported by the table 100, around the first upper rotation center 331Cu, which is the center of rotation. The lower end is rotatably connected to the first left guide block 311Bl around the first lower rotation center 331Cd, which is the center of rotation.

The second right side link 332r and the second left side link 332l are rotatably connected with the lower end around the second lower rotation center 332Cd, which is the center of rotation, and the upper end is connected to the second right side guide block 312Br. It is rotatably connected to the second left side guide block 312Bl around a pair of second upper rotation centers 332Cu which are rotation centers.
The second right side link 332r and the second left side link 332l are located around the second lower rotation center 332Cd, which is the center of rotation on the second rotation fixing member 332F, which is a member whose lower end is supported by the base 200. Even if it is rotatably connected and the upper end is rotatably connected to the second right side guide block 312Br and the second left side guide block 312Br around a pair of second upper rotation centers 332Cu which are the rotation centers. good.
For example, the second right side link 332r is rotatably connected to the second rotation fixing member 332F, which is a member whose lower end is supported by the base 200, around the second lower rotation center 332Cd, which is the center of rotation. , The upper end is rotatably connected to the second right guide block 312Br around the second upper rotation center 332Cu, which is the center of rotation.
For example, the second left side link 332l is rotatably connected to the second rotation fixing member 332F, which is a member whose lower end is supported by the base 200, around the second lower rotation center 332Cd, which is the center of rotation. , The upper end is rotatably connected to the second left guide block 312Bl around the second upper rotation center 332Cu, which is the center of rotation.

Looking horizontally so that the right side link set 330r and the left side link group 330l are divided into left and right, the first upper rotation center 331Cu at the upper end of the first right side link 331r and the first upper rotation center 331Cu at the upper end of the first left side link 331l. May match.
Looking horizontally so that the right side link set 330r and the left side link set 330l are divided into left and right, the first upper rotation center 331Cu at the upper end of the first right side link 331r and the first upper rotation center 331Cu at the upper end of the first left side link 331l. May be separated by a predetermined distance H in the left-right direction.

Looking horizontally so that the right side link group 330r and the left side link group 330l are divided into left and right, the second lower rotation center 332Cd at the lower end of the second right side link 332r and the second lower rotation center 332Cd at the lower end of the second left side link 332l. May match.
Looking horizontally so that the right side link group 330r and the left side link group 330l are divided into left and right, the second lower rotation center 332Cd at the lower end of the second right side link 332r and the second lower rotation center 332Cd at the lower end of the second left side link 332l. May be separated by a predetermined distance H in the left-right direction.

The first rotation fixing member 331F is fixed and supported on the table 100.
The second rotation fixing member 332F is fixed and supported on the base 200.
1 and 2 show a state in which the first rotation fixing member 331F is fixed and supported by the table 100, and the second rotation fixing member 332F is fixed and supported by the base 200.
In FIG. 1, the first rotation fixing member 331F is arranged at a position sandwiched between the second right side guide rail 312Rr and the second left side guide rail 312R1, is fixed and supported by the table 100, and is supported by the second rotation fixing member 332F. Is arranged at a position sandwiched between the 21st right side guide rail 311Rr and the 1st left side guide rail 311R1 and is fixed to and supported by the base 200.
In FIG. 2, a pair of left and right first rotation fixing members 331F are arranged at positions sandwiching the second right side guide rail 312Rr and the second left side guide rail 312R1, are fixed and supported by the table 100, and are supported by the pair of left and right guide rails. It is shown that the rotation fixing member 332F is arranged at a position sandwiching the first right side guide rail 311Rr and the first left side guide rail 311R1 and is fixed and supported by the base 200.

The horizontal spring member 340 has upper and lower ends approaching the link of the pair of the first right side link 331r and the second right side link 332r or the pair of the first left side link 331l and the second left side link 332l. It is a member that applies a spring force in a direction along a specific horizontal axis x.
In FIGS. 1 and 2, the horizontal spring member 340 is above and above each other on the link of the pair of the first right side link 331r and the second right side link 332r or the pair of the first left side link 331l and the second left side link 332l. An example of a structure in which a spring force is applied along a specific horizontal axis x in a direction in which the lower end approaches is shown.
The horizontal hollow arrow in the figure indicates the spring force exerted by the horizontal spring member 340 on the link mechanism 330.

The horizontal spring member 340 is along the specific horizontal axis x to the link of at least one pair of the first right side link 331r and the first left side link 331l or the second right side link 332r and the second left side link 332l. Spring forces may be applied to each in a direction approaching each other.
For example, the horizontal spring member 340 exerts a spring force on each of the first right side link 331r and the first left side link 331l in a direction approaching each other along the specific horizontal axis x.
FIG. 1 shows how the horizontal spring member 340 exerts a spring force on the first right side link 331r and the first left side link 331l in a direction approaching each other along a specific horizontal axis x.
For example, the horizontal spring member 340 exerts a spring force on the second right side link 332r and the second left side link 332l in directions approaching each other along the specific horizontal axis x.

The horizontal spring member 340 connects both ends to the first right side link 331r and the first left side link 331l, respectively, and approaches the first right side link 331r and the first left side link 331l along the specific horizontal axis x. Spring force may be applied to each.
The horizontal spring member 340 is composed of a pair of springs having one end connected to the first right side link 331r and the first left side link 331l and the other end connected to the base 200, and the first right side link 331r and the first. A spring force may be applied to each of the left side link 331l in a direction approaching each other along a specific horizontal axis x.
The horizontal spring member 340 connects both ends to the second right side link 332r and the second left side link 332l, respectively, and approaches the second right side link 332r and the second left side link 332l along the specific horizontal axis x. Spring force may be applied to each.
The horizontal spring member 340 is composed of a pair of springs having one end connected to the second right side link 332r and the second left side link 332l and the other end connected to the table 100, and the second right side link 332r and the second left side. A spring force may be applied to each of the links 332l in a direction approaching each other along a specific horizontal axis x.

The horizontal spring member 340 approaches the links of the pair of the first right side link 331r and the second right side link 332r and the pair of the first left side link 331l and the second left side link 332l with their upper and lower ends approaching each other. It may be composed of a pair of left and right springs that apply a spring force in the direction along the specific horizontal axis x.
In FIG. 2, a pair of left and right springs, which are horizontal spring members 340, are linked to a pair of a first right side link 331r and a second right side link 332r and a pair of a first left side link 331l and a second left side link 332l. It is shown that a spring force is applied along a specific horizontal axis x in a direction in which the upper and lower ends approach each other at the lower end.

The horizontal spring member 340 has a spring constant selected by design.
The horizontal spring member 340 may be a compression spring.
A pair of compression springs may exert a spring force on each of the other ends of the pair of left and right linkages 330 in a direction approaching each other along a specific horizontal axis x.
The horizontal spring member 340 may be a tension spring.
The tension springs may exert a spring force on each of the other ends of the pair of left and right linkages 330 in a direction approaching each other along a specific horizontal axis x.

The horizontal spring member 340 may apply a spring force to each of the pair of left and right links 331r and 331l or the pair of left and right links 332r and 332l in a direction approaching each other along the specific horizontal axis x via the guide block. ..
In FIG. 1, a tension spring has one end connected to the lower end of the first right side link 331r via a first right guide block 311Br and the other end to the lower end of the first left side link 331l. A spring force connected to the portion via the first left guide block 311Rl and approaching the lower end of the first right link 331r and the lower end of the first left link 331l along the specific horizontal axis x. Is shown to act on each.

Next, the object support device according to the second embodiment of the present invention will be described with reference to the drawings.
FIG. 4 is a conceptual diagram of the object support device 1 according to the second embodiment of the present invention. FIG. 5 is a conceptual diagram of the object support device 2 according to the second embodiment of the present invention. FIG. 6 is a conceptual diagram of the object support device No. 3 according to the second embodiment of the present invention. FIG. 7 is a conceptual diagram of the object support device 4 according to the second embodiment of the present invention. FIG. 8 is a conceptual diagram of the object support device No. 5 according to the second embodiment of the present invention. FIG. 9 is a conceptual diagram of the object support device 6 according to the second embodiment of the present invention.

The object support device is a device that supports an object.
The object support device is used as a device that supports the object 10 and seismically isolates vibration in the vertical direction.
The object support device may be used in combination with a device for seismic isolation of horizontal vibration.

The object support device includes a table 100, a base 200, and a table support mechanism 300.
The table 100 is on which the object 10 is placed.
The base 200 is supported by the foundation.
The table support mechanism 300 is a mechanism that supports the table 100 based on the base 200.
The structure of the table support mechanism 300 will be described below.
Hereinafter, for convenience of explanation, a horizontal axis extending in a specific horizontal direction is referred to as a specific horizontal axis x, and a line of sight that intersects the specific horizontal axis x and extends in the horizontal direction is referred to as a specific line of sight.

The table support mechanism 300 includes a horizontal movement guide mechanism 310, a vertical spring member 320, a link mechanism 330, and a horizontal spring member 340.

A pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x.
The locus g may be horizontal.
Since the configuration of the horizontal movement guide mechanism 310, the vertical spring member 320, and the horizontal spring member 340 is the same as that of the object support device 1 according to the first embodiment of the present invention, the description thereof will be omitted.

The link mechanism 330 is a mechanism that generates an upward spring force on the table 100 based on the base 200.
The upward spring force generated by the linkage 330 has a negative spring constant that decreases in magnitude as the table 100 is displaced downward in a portion of the range of vertical movement.

Since the main configuration of the link mechanism 330 is the same as that of the object support device according to the first embodiment of the present invention, only the differences will be described.

One of the first rotation fixing member 331F and the second rotation fixing member 332F is fixed, and the other of the first rotation fixing member 331F and the second rotation fixing member 332F moves in the direction of the specific horizontal axis x. It is restrained and supported so as to be able to move freely in the vertical direction with respect to the base 200.

The first rotation fixing member 331F is fixed and supported by the table 100, and the second rotation fixing member 332F restrains the movement in the direction of the specific horizontal axis x and freely moves in the vertical direction with respect to the base 200. It may be supported by the base 200 so as to do so.
In FIG. 4, the rotation fixing member guide mechanism 334 restrains the movement of the second rotation fixing member 332F in the direction of the specific horizontal axis x and allows the base 200 to move freely in the vertical direction. The state of supporting the platform 200 is shown.
The second rotation fixing member 332F is guided by the rotation fixing member guide mechanism 334 fixed to the base 200, and can move relative to the base 200 in the vertical direction.
The horizontal spring member 340 may apply a spring force to each of the first right side link 331r and the first left side link 331l in a direction approaching each other along the specific horizontal axis x.
FIG. 4 shows how the horizontal spring member 340 exerts a spring force on each of the first right side link 331r and the first left side link 331l in a direction approaching each other along the specific horizontal axis x.
The horizontal spring member 340 may apply a spring force to each of the second right side link 332r and the second left side link 332l in a direction approaching each other along the specific horizontal axis x.

The first rotation fixing member 331F is supported by the table 100 so as to restrain the movement in the direction of the specific horizontal axis x and allow the relative movement in the vertical direction with respect to the table 100, and the second rotation fixing portion 332F material is formed. It may be fixed and supported by the base 200.
In FIG. 5, the rotation fixing member guide mechanism 334 restrains the movement of the first rotation fixing member 331F in the direction of the specific horizontal axis x so that the table 100 can move freely in the vertical direction with respect to the table 100. It is shown to support.
The first rotation fixing member 331F is guided by the rotation fixing member guide mechanism 334 fixed to the table 100, and can move relative to the table 100 in the vertical direction.
The horizontal spring member 340 may apply a spring force to each of the first right side link 331r and the first left side link 331l in a direction approaching each other along the specific horizontal axis x.
The horizontal spring member 340 may apply a spring force to each of the second right side link 332r and the second left side link 332l in a direction approaching each other along the specific horizontal axis x.
In FIG. 5, the horizontal spring member 340 exerts a spring force on each of the second right side link 332r and the second left side link 332l in a direction approaching each other along the specific horizontal axis x. The situation is shown.

The first rotation fixing member 331F is supported by the table 100 so as to restrain the movement in the direction of the specific horizontal axis x and allow the relative movement in the vertical direction with respect to the table 100, and the second rotation fixing member 332F It may be supported by the base 200 so as to restrain the movement in the direction of the specific horizontal axis x and allow the relative movement in the vertical direction with respect to the base 200.
In FIG. 6, a pair of upper and lower rotation fixing member guide mechanisms 334 restrains the movement of the first rotation fixing member 331F in the direction of the specific horizontal axis x and allows the table 100 to move freely in the vertical direction. Supporting the table 100 and supporting the second rotation fixing member 332F on the base 200 so as to restrain the movement in the direction of the specific horizontal axis x and allow the base 200 to move freely in the vertical direction. Is shown.
The first rotation fixing member 331F is guided by the rotation fixing member guide mechanism 334 fixed to the table 100, and can move relative to the table 100 in the vertical direction.
The second rotation fixing member 332F is guided by the rotation fixing member guide mechanism 334 fixed to the base 200, and can move relative to the base 200 in the vertical direction.
The horizontal spring member 340 may apply a spring force to each of the first right side link 331r and the first left side link 331l in a direction approaching each other along the specific horizontal axis x.
The horizontal spring member 340 may apply a spring force to each of the second right side link 332l and the second left side link 332l in a direction approaching each other along the specific horizontal axis x.
FIG. 6 shows how the horizontal spring member 340 exerts a spring force on each of the second right side link 332l and the second left side link 332l in a direction approaching each other along the specific horizontal axis x.

A pair of left and right orbits g may transition along a direction in which they are separated from each other along a specific horizontal axis x.
FIGS. 7, 8 and 9 show how a pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x.

When a pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x, they may extend so as to be biased to one side in the vertical direction as the transition occurs.
For example, when a pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x, they may extend upward at a constant ratio as they transition.
In FIGS. 7, 8 and 9, the orbit g is linear, and when it transitions along a direction away from each other along a specific horizontal axis x, it is biased to one of the upward directions at a constant ratio as it transitions. Show how it extends.
For example, when a pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x, they may extend downward at a constant ratio as they transition.
A pair of left and right orbits may extend along a concave curve.
A pair of left and right orbits may extend along a downwardly concave curve.
A pair of left and right orbits may extend along a pair of left and right curves having a predetermined curvature recessed downward.

When the track g of the first right side guide rail 311Rr and the first left side guide rail 311Rl transitions along a direction away from each other along the specific horizontal axis x, it extends so as to be biased to one side in the vertical direction as the transition occurs.
In FIG. 7, the second rotation fixing member 332F is guided by the rotation fixing member guide mechanism 334 fixed to the base 200, and can move relative to the base 200 in the vertical direction, and the first right side guide rail is shown. It is shown that the track g of the 311Rr and the first left guide rail 311Rl extends in one direction in the vertical direction as it transitions when it transitions along a direction away from each other along a specific horizontal axis x.

When the track g of the second right side guide rail 312Rr and the second left side guide rail 312Rl transitions along a direction away from each other along the specific horizontal axis x, it may extend so as to be biased to one side in the vertical direction as the transition occurs. ..
FIG. 8 shows that the first rotation fixing member 331F is guided by the rotation fixing member guide mechanism 334 fixed to the table 100 and can move relative to the table 100 in the vertical direction, with the second right side guide rail 312Rr. It is shown that the track g with the second left side guide rail 312Rl extends in one direction in the vertical direction as it transitions when it transitions along a direction away from each other along the specific horizontal axis x.

When the track g of the first right side guide rail 311Rr and the first left side guide rail 311Rl transitions along a direction away from each other along a specific horizontal axis x, it extends so as to be biased to one side in the vertical direction as the transition occurs. When the track g of the right side guide rail 312Rr and the second left side guide rail 312Rl transitions along a direction away from each other along the specific horizontal axis x, it may extend so as to be biased to one side in the vertical direction as the transition occurs.
In FIG. 9, the first rotation fixing member 331F is guided by the rotation fixing member guide mechanism 334 fixed to the table 100 and can move relative to the table 100 in the vertical direction, and the second rotation fixing member 332F is shown. Is guided by the rotation fixing member guide mechanism 334 fixed to the base 200 and can move up and down relative to the base 200, and the orbits of the first right guide rail 311Rr and the first left guide rail 311Rl. When g transitions along a direction away from each other along a specific horizontal axis x, it extends so as to be biased to one side in the vertical direction as the transition occurs, and the track g of the second right guide rail 312Rr and the second left guide rail 312Rl becomes. It shows a state in which when a transition is made along a direction away from each other along a specific horizontal axis x, the transition is performed so as to be biased to one side in the vertical direction.

Next, the third embodiment of the present invention will be described with reference to the drawings.
FIG. 10 is an operation explanatory view of the object support device 1 according to the third embodiment of the present invention. FIG. 11 is an operation explanatory view of the object support device 2 according to the third embodiment of the present invention. FIG. 12 is a conceptual diagram of the object support device 3 according to the third embodiment of the present invention. FIG. 13 is a conceptual diagram of the object support device 4 according to the third embodiment of the present invention. FIG. 14 is a conceptual diagram of the object support device No. 5 according to the third embodiment of the present invention. FIG. 15 is a conceptual diagram of the object support device 6 according to the third embodiment of the present invention.

The object support device is a device that supports an object.
The object support device is used as a device that supports the object 10 and seismically isolates vibration in the vertical direction.
The object support device may be used in combination with a device for seismic isolation of horizontal vibration.

The object support device includes a table 100, a base 200, and a table support mechanism 300.
The table 100 is on which the object 10 is placed.
The base 200 is supported by the foundation.
The table support mechanism 300 is a mechanism that supports the table 100 based on the base 200.
The structure of the table support mechanism 300 will be described below.
Hereinafter, for convenience of explanation, a horizontal axis extending in a specific horizontal direction is referred to as a specific horizontal axis x, and a line of sight that intersects the specific horizontal axis x and extends in the horizontal direction is referred to as a specific line of sight.

The table support mechanism 300 includes a horizontal movement guide mechanism 310, a vertical spring member 320, a link mechanism 330, and a horizontal spring member 340.
The table support mechanism 300 may be composed of a horizontal movement guide mechanism 310, a vertical spring member 320, a link mechanism 330, a horizontal spring member 340, and a vertical movement guide mechanism (not shown).

Since the structure of the horizontal movement guide mechanism 310, the vertical spring member 320, and the horizontal spring member 340 is the same as that of the table support mechanism 300 according to the first embodiment of the present invention, different points will be described.

The link mechanism 330 is a mechanism that generates an upward spring force on the table 100 based on the base 200.
The upward spring force generated by the linkage 330 has a negative spring constant that decreases in magnitude as the table 100 is displaced downward in a portion of the range of vertical movement.

The link mechanism 330 is composed of a right side link group 330r and a left side link group 330l, which are a pair of left and right links arranged apart from each other along a specific horizontal axis x.

The first right side link 331r and the second right side link, which are a pair of links in which the right side link set 330r is rotatably connected at the points where the right side link set 330r is inclined in the opposite direction to each other and intersects in an X shape when viewed along a specific line of sight. It is composed of 332r.
For example, the right side link set 330r is a pair of links rotatably connected by the right side link connecting shaft 333r at a position where the right side link set 330r is inclined in the opposite direction to each other and intersects in an X shape when viewed along a specific line of sight. It is composed of a right side link 331r and a second right side link 332r.
The first left side link 331l and the second left side link, which are a pair of links in which the left side link set 330l is rotatably connected at a point where the left side link set 330l is inclined in the opposite direction to each other and intersects in an X shape when viewed along a specific line of sight. It is composed of 332 liters.
For example, the left side link set 330l is a pair of links rotatably connected by the left side link connecting shaft 333l at a position where the left side link set 330l is inclined in the opposite direction to each other and intersects in an X shape when viewed along a specific line of sight. It is composed of a left side link 331l and a second left side link 332l.

The first right side link 331r and the first left side link 331l are rotatably connected to the first rotation fixing member 331F around the first upper rotation center 331Cu, which is the center of rotation, and the lower end portion. Is rotatably connected to the first right side guide block 311Br and the first left side guide block 311Bl around a pair of first lower rotation centers 331Cd which are rotation centers.
For example, the first right side link 331r is rotatably connected to the first rotation fixing member 331F around the first upper rotation center 331Cu, and the lower end is guided to the first right side. It is rotatably connected to each of the blocks 311Br around the first lower rotation center 331Cd, which is the rotation center.
For example, the first left side link 331l is rotatably connected to the first rotation fixing member 331F around the first upper rotation center 331Cu, and the lower end is guided to the first left side. It is rotatably connected to the block 311Bl around the first lower rotation center 331Cd, which is the center of rotation.

The second right side link 332r and the second left side link 332l are rotatably connected to the second rotation fixing member 332F around the second lower rotation center 322Cu, which is the center of rotation, and the upper end portion. Is rotatably connected to the second right side guide block 312Br and the second left side guide block 312Bl around a pair of second upper rotation centers 332Cu which are rotation centers.
For example, the second right side link 332r is rotatably connected to the second rotation fixing member 332F around the second lower rotation center 322Cu, and the upper end is guided to the second right side. It is rotatably connected to each of the blocks 312Br around the second upper rotation center 332Cu which is the rotation center.
For example, the second left side link 332l is rotatably connected to the second rotation fixing member 332F around the second lower rotation center 322Cu, and the upper end is connected to the second left side. It is rotatably connected to the guide block 312Bl around the second upper rotation center 332Cu, which is the center of rotation.

Looking horizontally so that the right side link set 330r and the left side link group 330l are divided into left and right, the first upper rotation center 331Cu at the upper end of the first right side link 331r and the first upper rotation center 331Cu at the upper end of the first left side link 331l. May match.
Looking horizontally so that the right side link set 330r and the left side link set 330l are divided into left and right, the first upper rotation center 331Cu at the upper end of the first right side link 331r and the first upper rotation center 331Cu at the upper end of the first left side link 331l. May be separated by a predetermined distance H.

Looking horizontally so that the right side link group 330r and the left side link group 330l are divided into left and right, the second lower rotation center 332Cd at the lower end of the second right side link 332r and the second lower rotation center 332Cd at the lower end of the second left side link 332l. May match.
Looking horizontally so that the right side link group 330r and the left side link group 330l are divided into left and right, the second lower rotation center 332Cd at the lower end of the second right side link 332r and the second lower rotation center 332Cd at the lower end of the second left side link 332l. May be separated by a predetermined distance H.

The first rotation fixing member 331F may be fixed and supported by the table 100, and the second rotation fixing member 332F may not be restrained by the base 200.
The first rotation fixing member 331F is fixed and supported by the table 100, the second rotation fixing member 332F is not restrained by the base 200, and is relatively movable in the vertical and horizontal directions with respect to the base 200. You may.
For example, the first rotation fixing member 331F may be fixed and supported by the table 100, and the second rotation fixing member 332F may not be restrained by the base 200.
In FIG. 10, the first rotation fixing member 331F is fixed and supported by the table 100, and the second rotation fixing member 332F is not restrained by the base 200 and is vertically and horizontally with respect to the base 200. It is shown that it is relatively movable.
The horizontal spring member 340 has upper and lower ends approaching the link of the pair of the first right side link 331r and the second right side link 332r or the pair of the first left side link 331l and the second left side link 332l. It is a member that applies a spring force in a direction along a specific horizontal axis x.
The horizontal spring member 340 may apply a spring force to each of the first right side link 331r and the first left side link 331l in a direction approaching each other along the specific horizontal axis x.
The horizontal spring member 340 may apply a spring force to each of the second right side link 332r and the second left side link 332l in a direction approaching each other along the specific horizontal axis x.

The first rotation fixing member 331F may not be restrained by the table 100, and the second rotation fixing member 332F may be fixed and supported by the base 200.
The first rotation fixing member 331F is not restrained by the table 100 and can move relative to the table 100 in the vertical and horizontal directions, and the second rotation fixing member 332F is fixed and supported by the base 200. You may.
For example, the first rotation fixing member 331F is not restrained by the table 100, and the second rotation fixing member 332F is fixed and supported by the base 200.
In FIG. 11, the first rotation fixing member 331F is not restrained by the table 100, is movable relative to the table 100 in the vertical and horizontal directions, and the second rotation fixing member 332F is fixed to the base 200. It is shown that it is supported.
The horizontal spring member 340 may apply a spring force to each of the second right side link 332r and the second left side link 332l in a direction approaching each other along the specific horizontal axis x.
The horizontal spring member 340 may apply a spring force to each of the first right side link 331r and the first left side link 331l in a direction approaching each other along the specific horizontal axis x.

The first rotation fixing member 331F may not be restrained by the table 100, and the second rotation fixing member 332F may not be restrained by the base 200.
The first rotation fixing member 331F is not constrained by the table 100 and can move relative to the table 100 in the vertical and horizontal directions, and the second rotation fixing member 332F is not constrained by the base 200. It may be movable relative to the base 200 in the vertical direction and the horizontal direction.
In FIG. 12, the first rotation fixing member 331F is not restrained by the table 100 and is relatively movable in the vertical and horizontal directions with respect to the table 100, and the second rotation fixing member 332F is attached to the base 200. It shows a state in which it is not restrained and can move relative to the base 200 in the vertical direction and the horizontal direction.
The horizontal spring member 340 may apply a spring force to each of the second right side link 332r and the second left side link 332l in a direction approaching each other along the specific horizontal axis x.
The horizontal spring member 340 may apply a spring force to each of the first right side link 331r and the first left side link 331l in a direction approaching each other along the specific horizontal axis x.

The table support structure having the structure of FIG. 12 requires a vertical movement guide mechanism.
The vertical movement guidance mechanism (not shown) is a mechanism that suppresses the relative left-right movement of the table 100 based on the base 200 and guides the table 100 so as to be movable in the vertical direction.
For example, the vertical spring member 320 may have lateral rigidity and function as a vertical movement guide mechanism.

A pair of left and right orbits g may transition along a direction in which they are separated from each other along a specific horizontal axis x.
13, FIG. 14, and FIG. 15 show how a pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x.

When a pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x, they may extend so as to be biased to one side in the vertical direction as the transition occurs.
For example, when a pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x, they may extend upward at a constant ratio as they transition.
In FIGS. 13, 14, and 15, the orbit g is linear, and when it transitions along a direction away from each other along a specific horizontal axis x, it is biased to one of the upward directions at a constant ratio as it transitions. Show how it extends.
For example, when a pair of left and right orbits g transition along a direction away from each other along a specific horizontal axis x, they may extend downward at a constant ratio as they transition.
A pair of left and right orbits may extend along a concave curve.
A pair of left and right orbits may extend along a downwardly concave curve.
A pair of left and right orbits may extend along a pair of left and right curves having a predetermined curvature recessed downward.

When the track g of the first right side guide rail 311Rr and the first left side guide rail 311Rl transitions along a direction away from each other along the specific horizontal axis x, it extends so as to be biased to one side in the vertical direction as the transition occurs.
In FIG. 13, the second rotation fixing member 332F is not restrained by the base 200 and can move relative to the base 200 in the vertical and horizontal directions, and the first right guide rail 311Rr and the first left guide rail 311Rl can be moved. It is shown that when the orbits g and the orbits g are transitioned along a direction away from each other along a specific horizontal axis x, they extend so as to be biased to one side in the vertical direction as the transitions occur.

When the track g of the second right side guide rail 312Rr and the second left side guide rail 312Rl transitions along a direction away from each other along the specific horizontal axis x, it may extend so as to be biased to one side in the vertical direction as the transition occurs. ..
In FIG. 14, the first rotation fixing member 331F is not restrained by the table 100 and can move relative to the table 100 in the vertical and horizontal directions, and the second right guide rail 312Rr and the second left guide rail 312Rl It is shown that when the orbit g transitions along a direction away from each other along a specific horizontal axis x, it extends so as to be biased to one side in the vertical direction as the transition occurs.

When the track g of the first right side guide rail 311Rr and the first left side guide rail 311Rl transitions along a direction away from each other along a specific horizontal axis x, it extends so as to be biased to one side in the vertical direction as the transition occurs. When the track g of the right side guide rail 312Rr and the second left side guide rail 312Rl transitions along a direction away from each other along the specific horizontal axis x, it may extend so as to be biased to one side in the vertical direction as the transition occurs.
In FIG. 15, the first rotation fixing member 331F is not restrained by the table 100 and can move relative to the table 100 in the vertical and horizontal directions, and the second rotation fixing member 332F is restrained by the base 200. Instead, it can move relative to the base 200 in the vertical and horizontal directions, and the orbits g of the first right guide rail 311Rr and the first left guide rail 311Rl are separated from each other along the specific horizontal axis x. As the transition progresses, it extends in a biased manner in one direction in the vertical direction, and the orbits g of the second right guide rail 312Rr and the second left guide rail 312Rl transition along the direction in which they are separated from each other along the specific horizontal axis x. Then, as the transition progresses, the state of extending in one direction in the vertical direction is shown.

Hereinafter, the synthetic spring reaction force of the object support mechanism according to the embodiment of the present invention will be described with reference to the drawings.
FIG. 16 is a synthetic spring reaction force graph of the object support device according to the embodiment of the present invention.
The solid line in FIG. 16 is a curve showing the relationship between the vertical displacement (m) of the table 100 and the vertical reaction force (N) acting on the table 100 by the spring force of the horizontal spring member 340.
The real broken line in FIG. 16 is a curve showing the relationship between the vertical displacement (m) of the table 100 and the vertical reaction force (N) acting on the table 100 by the spring force of the vertical spring member 320.
The broken line in FIG. 16 is a curve showing the relationship between the vertical displacement (m) of the table 100 and the combined spring reaction force.
The characteristics of the synthetic spring reaction force can be selected by selecting the position of one end of the locus g and the link.

FIG. 17 is a comparative graph of synthetic spring reaction forces of the object support devices 4 to 6 according to the second and third embodiments of the present invention.
In FIGS. 17A to 17D, the shapes and specifications of the guide rails excluding the shape of the locus are matched, and the loci of the guide rails are set as follows to compare the characteristics of the synthetic spring reaction force. Is.
(A) The embodiment in which the locus is a downwardly concave curve.
(B) The embodiment in which the locus is a concave curve upward.
(C) Of the embodiment, which is a straight line whose locus rises as it transitions to the outside.
(D) Of the embodiment, which is a straight line that descends as the locus transitions to the outside.
In the figure, the synthetic spring reaction force represented by the broken line is that of the table support structure shown in FIGS. 1 and 2 having the locus g whose locus is a horizontal straight line, and is shown for comparison.
Comparing (A) to (D) in FIG. 17, the following can be seen.

When one end of the link is the upper end and the other end guided by the guide rail of the link is the lower end, the center of curvature of the guide rail is located above the locus g. When set to, or set so that the slope of the locus turns upward as it transitions to the left and right, the spring constant of the negative spring is increased compared to the conventional table support structure having a horizontal locus g, and the spring becomes so-called. It becomes rigid and the negative inclination becomes sharp, the spring characteristics of the whole combined with the upper and lower springs can be flattened, and the response characteristics of the object support device that supports the object can be made long cycle.

When one end of the link is the upper end and the other end guided by the guide rail of the link is the lower end, the center of curvature of the guide rail is located below the locus g. When set to, or set so that the slope of the locus becomes downward as the slope shifts to the left or right, the spring constant of the negative spring is made smaller than that of the conventional table support structure having a horizontal locus g, and the spring becomes so-called. It becomes soft and the inclination of the negative inclination becomes blunt, the spring characteristics of the whole combined with the upper and lower springs are inclined, and the response characteristics of the object support device that supports the object can be shortened.

Hereinafter, an example of adoption of the object support device according to the embodiment of the present invention will be described with reference to the drawings.
The adoption example of the object support device according to the embodiment of the present invention is adopted for a table that supports a small object.
FIG. 18 is an example of adoption of the object support device according to the embodiment of the present invention. FIG. 19 is a side view of an example of adoption of the object support device according to the embodiment of the present invention. FIG. 20 is a plan view of an example of adoption of the object support device according to the embodiment of the present invention.
For example, a small object is a work of art.
For example, the table that supports the work of art is composed of a vertical seismic isolation table 20, a horizontal seismic isolation table 30, and a glass case 40.
The upper and lower seismic isolation table 20 incorporates an object support device according to an embodiment of the present invention.
The horizontal seismic isolation table 30 is a table that restrains the movement in the vertical direction, allows the horizontal movement, and generates a damping force according to the horizontal movement.
The glass case 40 is a transparent body that covers the work of art.

The object support device adopted for the upper and lower seismic isolation table 20 is composed of a table 100, a base 200, and N table support mechanisms 300.
FIG. 19 shows an object support device including a table 100, a base 200, and four table support mechanisms 300.
The table support mechanism 300 includes a horizontal movement guide mechanism 310, a vertical spring member 320, a pair of left and right link mechanisms 330, and a horizontal spring member 340.
The description of the same configuration as the horizontal movement guide mechanism 310, the vertical spring member 320, the pair of left and right link mechanisms 330, and the horizontal spring member 340 described above is omitted, and the object support device adopted for the vertical seismic isolation table 20 is omitted. The characteristic configuration will be described.

Seen from above, N table support mechanisms are arranged so as to surround the table 100 and support each table 100.

The horizontal movement guide mechanism 310 is provided on the base 200.
The guide rail is a slit S provided on the plate material forming the side surface of the base 200 and formed along the locus g.
The guide block has wheels 350 guided by the slit S forming the guide rail.
The wheel 350 rolls along the locus g.
(A) in the figure shows a guide rail having a straight horizontal locus g.
(B) in the figure shows a guide rail having a linearly inclined locus g.
(C) in the figure shows a guide rail provided with a locus g of a curve recessed downward.

The vertical spring member 320 is a tension spring whose upper portion is connected to a base and whose lower portion is connected to a table.

If the object support device according to the above-described embodiment is used, the following effects are exhibited.
A pair of left and right guide rails that guide a pair of left and right guide blocks along a trajectory extending in the horizontal direction are arranged on the table 100 and the base 200, respectively, and an upward spring force is generated on the table 100 based on the base 200. The right side link group 330r and the left side link group 330l, which intersect in an X shape and are rotatably connected at the intersection, are arranged on the left and right, and the first right side link 331r and the first left side link 331l are at the upper end. Is rotatably connected to the first rotation fixing member 331F supported by the table 100, and the lower end portion is rotatably connected to each of the pair of lower left and right guide blocks, and the second right side link 332r and the second left side are connected to each other. The link 322l is rotatably connected to the second rotation fixing member 332F whose lower end is supported by the base 200, and the upper end is rotatably connected to each of the pair of left and right guide blocks above. Since the spring force is applied to each of the links of the right side link group 330r or the link of the left side link group 330l in the direction of approaching each other, the right side link group 330r and the left side link group 330l are moved as the table 100 moves up and down. The inertial forces in the left-right direction cancel each other out, and the desired combined reaction force can be stably applied to the table 100 by selecting the specifications of the link mechanism 330 and the spring.
Since the first rotation fixing member 331F is fixed and supported by the table 100 and the second rotation fixing member 332F is fixed and supported by the base 200, the specifications of the link mechanism 330 and the spring are selected. By doing so, the desired synthetic reaction force can be stably applied to the table 100.
The first rotation fixing member 331F is fixed and supported by the table 100, and the second rotation fixing member 332F restrains the movement in the left-right direction and allows the relative movement in the vertical direction with respect to the base 200 freely. Since it is supported by the base 200, the second rotation fixing member 332F is allowed to move in the vertical direction, and the desired combined reaction force is stabilized by selecting the link mechanism 330 and the specifications of the spring. It can act on the table.
The first rotation fixing member 331F is supported by the table 100 so as to restrain the movement in the left-right direction and freely move in the vertical direction with respect to the table 100, and the second rotation fixing member 332F is attached to the base 200. Since it is fixed and supported, the relative movement of the first rotation fixing member 331F in the vertical direction is allowed, and the desired combined reaction force is stably tableed by selecting the specifications of the link mechanism 330 and the spring. It can act on 100.
The first rotation fixing member 331F is supported by the table 100 so as to restrain the movement in the left-right direction and freely move in the vertical direction with respect to the table 100, and the second rotation fixing member 332F is oriented in the left-right direction. Since the movement is restrained and supported by the base 1200 so as to be able to move freely in the vertical direction with respect to the base 200, the first rotation fixing member 331F and the second rotation fixing member 332F are supported. By allowing relative movement in the vertical direction and selecting the link mechanism and spring specifications, the desired combined reaction force can be stably applied to the table.
When a pair of left and right orbitals transition along a direction away from each other along a specific horizontal axis x, they are extended so as to be biased to one side in the vertical direction as the transition occurs. By selecting, the inertial forces in the left-right direction of the right link set 330r and the left link set 330l cancel each other out, and by selecting the specifications of the link mechanism 330 and the spring, the desired combined reaction force can be stably placed on the table 100. Can act.
A pair of left and right guide rails that guide a pair of left and right guide blocks along a trajectory extending in the horizontal direction are arranged on the table 100 and the base 200, respectively, and an upward spring force is generated on the table 100 based on the base 200. The right side link group 330r and the left side link group 330l, which intersect in an X shape and are rotatably connected at the intersection, are arranged on the left and right, and the first right side link 331r and the first left side link 331l are at the upper end. Is rotatably connected to the first rotation fixing member 331F, and the lower end is rotatably connected to each of the pair of lower left and right guide blocks, and the second right side link 332r and the second left side link 332l are below. The end is rotatably connected to the second rotary fixing member 332F, and the upper end is rotatably connected to each of the pair of left and right guide blocks above, and the link of the right side link set 330r or the link of the left side link set 330l. Based on the base 200, the spring force is applied to each of them in the direction of approaching each other, and the relative left-right movement of the table 100 is suppressed so that the table 100 can be moved up and down. Along with this, the inertial forces in the left-right direction of the right-side link set 330r and the left-side link set 330l cancel each other out, and by selecting the specifications of the link mechanism 330 and the spring, the desired combined reaction force is stably applied to the table 100. be able to.
The first rotation fixing member 331F is fixed and supported by the table 100, and the second rotation fixing member 332F is not succeeded by the table 100 and is relatively movable in the vertical and horizontal directions with respect to the base 200. Therefore, by selecting the specifications of the link mechanism 330 and the spring, the desired synthetic reaction force can be stably applied to the table 100.
The first rotation fixing member 331F is not restrained by the table 100 and can move relative to the table 100 in the vertical and horizontal directions, and the second rotation fixing member 332F is fixed to and supported by the base 200. Therefore, by selecting the specifications of the link mechanism 330 and the spring, the desired synthetic reaction force can be stably applied to the table 100.
Since the first rotation fixing member 331F is not restrained by the table 100 and the second rotation fixing member 332F is not restrained by the base 200, the desired synthetic reaction can be selected by selecting the link mechanism and the specifications of the spring. The force can be stably applied to the table.
When the pair of left and right orbits g transition along the direction away from each other along the specific horizontal axis x, they extend so as to be biased to one in the vertical direction as the transition occurs. By appropriately selecting, the desired combined reaction force can be stably applied to the table 100 by selecting the specifications of the link mechanism 330 and the spring.
When viewed from above, N table support mechanisms 300 are arranged so as to surround the table 100 so as to support each of the tables 100, so that the N table support mechanisms 300 are stably based on the base 200. The table 100 can be seismically isolated and supported.
When two table support mechanisms 300 are arranged apart from each other in the front-rear direction when viewed from above to support each of the tables 100, N table support mechanisms 300 are stably placed on the table 100 based on the base 200. Can be seismically isolated and supported.

The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the gist of the invention.
The case where the horizontal movement guide mechanism 310 is provided on the base 200 has been described as an example, but the present invention is not limited to this. For example, the horizontal movement guidance mechanism 310 may be provided on the table 100.
An object support device with a structure that does not actively restrain horizontal movement was also described. A separate structure that constrains horizontal movement may be added, or
For example, the locus G may be tilted without adding a separate mechanism. In that case, the center of gravity of the object support device moves like a pendulum due to the action of the locus g, and the restoring force in the left-right direction is generated by the component force of gravity, and the movement in the left-right direction of the table is displaced within a certain limit. Is suppressed. Such an effect is expected in the structure showing a straight line with a horizontal arrow in bold with a triangle in the figure.
For example, the vertical spring member may be a tension spring that suspends the table 100 from the base 200 without adding a separate mechanism. By doing so, the center of gravity of the object support device moves like a pendulum, a restoring force in the left-right direction is generated by the component force of gravity, and the movement of the table in the left-right direction is restrained within a certain limit.

x Specific horizontal axis g Trajectory H Separation distance S Slit 10 Object 20 Vertical seismic isolation table 30 Horizontal seismic isolation table 40 Glass case 100 Table 200 Base 300 Table support mechanism 310 Horizontal movement guidance mechanism 311 First horizontal movement guidance mechanism 311Br No. 1 Right side guide block 311Rr 1st right side guide rail 311Bl 1st left side guide block 311Rl 1st left side guide rail 312 2nd horizontal movement guide mechanism 312Br 2nd right side guide block 312Rr 2nd right side guide rail 312Bl 2nd left side guide block 312Rl 2nd Left guide rail 320 Vertical spring member 330 Link mechanism 330r Right link set 330l Left link set 331r First right link 331l First left link 331F First rotation fixing member 331Cu First upper rotation center 331Cd First lower rotation center 332r Second right link 332l Second left link 332F Second rotation fixing member 332Cu Second upper rotation center 332Cd Second lower rotation center 333r Right link connecting shaft 333l Left link connecting shaft 334 Rotating fixing member Guide mechanism 340 Horizontal spring member 350 wheels

Japanese Unexamined Patent Publication No. 11-37214 JP-A-2009-168157 JP-A-2008-157288

Claims (12)

An object support device that supports an object
A table on which objects can be placed and
The foundation supported by the foundation and
A table support mechanism that supports the table based on the base,
Equipped with
The table support mechanism has a horizontal movement guide mechanism, a vertical spring member, a link mechanism, and a horizontal spring member.
The horizontal movement guidance mechanism has a first horizontal movement guidance mechanism and a second horizontal movement guidance mechanism that are arranged apart in the vertical direction.
The first horizontal movement guide mechanism is a pair of left and right guide blocks arranged apart from the base along a specific horizontal axis, that is, a first right guide block, a first left guide block, and a pair of left and right guides. Includes a first right guide rail and a first left guide rail, which are a pair of left and right guide rails that movably guide the block along a pair of left and right orbits extending along a specific horizontal axis.
The second horizontal movement guide mechanism is a pair of left and right guide blocks arranged apart from each other along a specific horizontal axis with respect to the table, a second right guide block, a second left guide block, and a pair of left and right guide blocks. Includes a second right guide rail and a second left guide rail, which are a pair of left and right guide rails that are movably guided along a pair of left and right orbits extending along a specific horizontal axis.
The vertical spring member is a member that generates an upward spring force on the table based on the base.
The link mechanism has a right-hand link set and a left-side link set, which are a pair of left and right links arranged apart from each other along a specific horizontal axis.
The first right side link and the second right side link, which are a pair of links that are rotatably connected at the points where the right side link set is inclined in the opposite direction to each other when viewed along a specific line of sight and intersects in an X shape, are rotatably connected. Including,
The first left side link and the second left side link, which are a pair of links that are rotatably connected at the points where the left side link set is inclined in the opposite direction to each other when viewed along a specific line of sight and intersects in an X shape, are rotatably connected. Including,
The first right side link and the first left side link rotatably connect the upper end to the first rotation fixing member which is a member supported by the table around the first upper rotation center which is the rotation center. The lower end is rotatably connected to the first right guide block and the first left guide block around a pair of first lower rotation centers that are the centers of rotation.
The second right side link and the second left side link are rotatably around the second lower rotation center, which is the center of rotation, on the second rotation fixing member, which is a member whose lower end is supported by the base. Connected and the upper end is rotatably connected to the second right side guide block and the second left side guide block around a pair of second upper rotation centers which are rotation centers.
The direction in which the upper and lower ends of the horizontal spring member approach the link of the pair of the first right side link and the second right side link or the pair of the first left side link and the second left side link. It is a member that applies a spring force along the specific horizontal axis.
here,
A specific horizontal axis is a horizontal axis that extends in a specific horizontal direction,
An object support device characterized in that a specific line of sight is a line of sight that intersects a specific horizontal axis and extends in the horizontal direction. The first rotation fixing member is fixed and supported on the table, and is supported.
The second rotation fixing member is fixed and supported on the base.
The object support device according to claim 1. The first rotation fixing member is fixed and supported on the table, and is supported.
The second rotation fixing member is supported by the base so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the base.
The object support device according to claim 1. The first rotation fixing member is supported by the table so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the table.
The second rotation fixing member is fixed and supported on the base.
The object support device according to claim 1. The first rotation fixing member is supported by the table so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the table.
The second rotation fixing member is supported by the base so as to restrain the movement in the direction of the specific horizontal axis and allow the relative movement in the vertical direction with respect to the base.
The object support device according to claim 1. When the pair of left and right orbits transition along the specific horizontal axis in a direction away from each other, the orbits extend in one direction in the vertical direction as the transition occurs.
The object support device according to any one of claims 3 to 5. An object support device that supports an object
A table on which objects can be placed and
The foundation supported by the foundation and
A table support mechanism that supports the table based on the base,
Equipped with
The table support mechanism has a horizontal movement guide mechanism, a vertical spring member, a link mechanism, and a horizontal spring member.
The horizontal movement guidance mechanism has a first horizontal movement guidance mechanism and a second horizontal movement guidance mechanism that are arranged apart in the vertical direction.
A pair of left and right guide blocks, a first right guide block, a first left guide block, and a pair of left and right guide blocks in which the first horizontal movement guide mechanism is arranged apart from the base along a specific horizontal axis. Includes a first right guide rail and a first left guide rail, which are a pair of left and right guide rails that are movably guided along a pair of left and right orbits extending along a specific horizontal axis.
The second horizontal movement guide mechanism is a pair of left and right guide blocks arranged apart from each other along a specific horizontal axis with respect to the table, a second right guide block, a second left guide block, and a pair of left and right guide blocks. Includes a second right guide rail and a second left guide rail, which are a pair of left and right guide rails that are movably guided along a pair of left and right orbits extending along a specific horizontal axis.
The vertical spring member is a member that generates an upward spring force on the table based on the base.
The link mechanism has a right-hand link set and a left-side link set, which are a pair of left and right links arranged apart from each other along a specific horizontal axis.
The first right side link and the second right side link, which are a pair of links that are rotatably connected at the points where the right side link set is inclined in the opposite direction to each other when viewed along a specific line of sight and intersects in an X shape, are rotatably connected. Including,
The first left side link and the second left side link, which are a pair of links that are rotatably connected at the points where the left side link set is inclined in the opposite direction to each other when viewed along a specific line of sight and intersects in an X shape, are rotatably connected. Including,
The first right side link and the first left side link are rotatably connected to the first rotation fixing member around the first upper rotation center, which is the center of rotation, and the lower end is connected to the first rotation fixing member. The right side guide block and the first left guide block are rotatably connected to each other around a pair of first lower rotation centers which are rotation centers.
The second right side link and the second left side link are rotatably connected to the second rotation fixing member around the second lower rotation center, which is the center of rotation, and the upper end is connected to the second rotation fixing member. The right side guide block and the second left side guide block are rotatably connected to each other around a pair of second upper rotation centers which are rotation centers.
The direction in which the upper and lower ends of the horizontal spring member approach the link of the pair of the first right side link and the second right side link or the pair of the first left side link and the second left side link. It is a member that applies a spring force along the specific horizontal axis.
here,
A specific horizontal axis is a horizontal axis that extends in a specific horizontal direction,
An object support device characterized in that a specific line of sight is a line of sight that intersects a specific horizontal axis and extends in the horizontal direction. The first rotation fixing member is fixed and supported on the table, and is supported.
The second rotation fixing member is not restrained by the base.
The object support device according to claim 7. The first rotation fixing member is not restrained by the table,
The second rotation fixing member is fixed and supported on the base.
The object support device according to claim 7. The first rotation fixing member is not restrained by the table,
The second rotation fixing member is not restrained by the base.
7. The object support device according to claim 7. When the pair of left and right orbits transition along the specific horizontal axis in a direction away from each other, the orbits extend in one direction in the vertical direction as the transition occurs.
The object support device according to any one of claims 8 to 10. N pieces of the table support mechanism and
Equipped with
When viewed from above, N table support mechanisms are arranged so as to surround the table and support each of the tables.
The object support device according to any one of claims 1 to 11.

Images