JP2014185699A - Pneumatic spring and base isolation or braking mechanism appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a base isolation or braking mechanism appliance capable of exhibiting base isolation function or braking function with a simple constitution.SOLUTION: In stead of the conventional pneumatic spring which is supported by base and supports a body to be supported, following constitutions are used. That is, N+1 pieces of elastic cylindrical bodies are stacked in multi-stage, the whole cylindrical bodies are sandwiched between a lower metal fitting and an upper metal fitting, N pieces of intermediate metal fitting are sandwiched respectively between each other, the lower metal fitting is supported by the base, an opening of the lower side of the elastic cylindrical body of the lowermost stage is intercepted from the environment, the upper metal fitting supports the body to be supported, an opening of the upper side of the elastic cylindrical body of the uppermost stage is intercepted from the environment, the opening of the lower side of the elastic cylindrical body, with the upper surface of which N pieces of the intermediate metal fitting are brought into contact, and the opening of the upper side of the elastic cylindrical body, with the lower surface of which N pieces of the intermediate metal fitting are brought into contact, are respectively communicated and, further, are respectively intercepted from the environment, and the guide member is fixed to one of the lower metal fitting and the upper metal fitting and guides the intermediate metal fitting freely vertically movably.

Description

  The present invention relates to an air spring that is supported by a foundation and supports a supported body, and a device for seismic isolation or damping mechanism. In particular, the present invention relates to an air spring suitable for exhibiting a seismic isolation function or a damping function, and a device for a seismic isolation or damping mechanism.

A seismic isolation or vibration control mechanism using an air spring may be used to support the supported body.
For example, a seismic isolation or vibration control mechanism using equipment composed of an air spring, an auxiliary tank, and a communication pipe is used.
There are two types of air springs: a bellows type (lantern type) air spring and a diaphragm type (membrane structure type) air spring.
Further, diaphragm type (membrane structure type) air springs include a rolling seal type and a rolling rope type.
A rolling seal type air spring has a metal inner cylinder and an outer cylinder.
A rolling rope type air spring has a metal inner cylinder and no outer cylinder. In a rolling rope type air spring, rubber reinforcing fibers correct the swelling.
The air spring has a feature that the spring height, load resistance, and spring constant can be independently selected.
Further, in combination with the height adjustment valve, the height of the spring can be kept constant regardless of the increase or decrease of the load.
Also, the load bearing force can be changed by simply changing the internal pressure with an air spring of the same size. Further, the spring constant can be changed by providing the auxiliary tank with the same load.
In addition, by separating the air springs in multiple stages, it is possible to improve the seismic isolation performance for long-period vibration.
Further, since the air spring is composed of upper and lower metal fittings and a rubber film, it can insulate high-frequency vibrations and has an excellent soundproofing effect. In addition, since the structure is flexible, vibration isolation can be performed not only in the axial direction but also in the lateral direction and the rotational direction.

  The present invention has been devised in view of the above-described problems, and intends to provide an air fitting and a device for a seismic isolation or damping mechanism that can exhibit a seismic isolation function or a damping function with a simple configuration. To do.

  In order to achieve the above object, an air spring which is supported by a foundation according to the present invention and can support a supported body is divided into one lower metal fitting as a fixing member and one upper metal fitting as a fixing member. N + 1 elastic cylinders that are rubber cylindrical members that form a pair of openings and can be expanded and contracted in the vertical direction, N intermediate fittings that are members, and one or more guide members , N + 1 elastic cylinders are overlapped in multiple stages, and the whole is sandwiched between the lower metal fitting and the upper metal fitting, and the N intermediate metal fittings are sandwiched between them, and the lower metal fitting is supported on the bottom and The lower opening of the elastic cylindrical body is shielded from the atmosphere, the upper fitting supports the supported body, the upper opening of the uppermost elastic cylinder is shielded from the atmosphere, and the N intermediate fittings are on the upper surface. The elastic circle in contact with the lower opening and lower surface of the elastic cylindrical body in contact with The upper opening of the body communicates with each other and is further shielded from the atmosphere, and the guide member is fixed to a fixing member which is one of the lower metal fitting or the upper metal fitting, and at least one intermediate metal fitting is moved up and down. It was assumed to be guided to move freely in the direction.

According to the configuration of the present invention, the air spring includes one lower metal fitting, one upper metal fitting, N + 1 elastic cylindrical bodies, N intermediate metal fittings, and one or a plurality of guide members. The lower metal fitting is a fixing member. The upper metal fitting is a fixing member. The N + 1 elastic cylinders are rubber cylindrical members that each form a pair of upper and lower openings and can be expanded and contracted in the vertical direction. N intermediate | middle metal fittings are members. N + 1 elastic cylinders are stacked in multiple stages, the whole is sandwiched between the lower metal fitting and the upper metal fitting, N intermediate fittings are sandwiched between each other, and the lower metal fitting is supported by the foundation An opening below the lowermost elastic cylinder is shielded from the atmosphere. The upper bracket supports the supported body and blocks the opening above the uppermost elastic cylinder from the atmosphere. The N pieces of intermediate fittings communicate with the lower opening of the elastic cylindrical body in contact with the upper surface and the upper opening of the elastic cylindrical body in contact with the lower surface, respectively, and further shield them from the atmosphere. The guide member is fixed to a fixing member that is one of the lower metal fitting or the upper metal fitting, and guides at least one of the intermediate metal fittings so as to be movable in the vertical direction.
As a result, even if a plurality of the elastic cylinders are stacked in multiple stages, the elastic cylinders do not buckle and can be expanded and contracted with a small resistance, and the natural frequency can be lowered and long-period vibration can be isolated or controlled.

  Below, the air spring and the apparatus for seismic isolation or damping mechanism which concern on embodiment of this invention are demonstrated. The present invention includes any of the embodiments described below, or a combination of two or more of them.

In the air spring according to the embodiment of the present invention, the guide member is fixed to the fixing member and guides at least one of the intermediate fittings adjacent to the fixing member so as to be movable in the vertical direction.
With the configuration of the above-described embodiment, the guide member is fixed to the fixing member and guides at least one of the intermediate fittings adjacent to the fixing member so as to be movable in the vertical direction.
As a result, even if a plurality of elastic cylinders are stacked in multiple stages, the elastic cylinders do not buckle and can be expanded and contracted with a small resistance, and the natural frequency can be lowered and long-period vibration can be isolated or controlled.

In the air spring according to the embodiment of the present invention, the guide member is fixed to the fixing member and guides the N intermediate fittings so as to be movable in the vertical direction.
According to the configuration of the above-described embodiment, the guide member is fixed to the fixing member and guides the N intermediate fittings so as to be movable in the vertical direction.
As a result, even if a plurality of elastic cylinders are stacked in multiple stages, the elastic cylinders do not buckle and can be expanded and contracted with a small resistance, and the natural frequency can be lowered and long-period vibration can be isolated or controlled.

In the air spring according to the embodiment of the present invention, the guide member has the rod-shaped guide member and the spherical guide member, the rod-shaped guide member is fixed to the fixed member, and the spherical guide member is attached to the rod-shaped guide member. The intermediate metal fitting is guided so as to be movable in the vertical direction, and the intermediate fitting is supported on the spherical surface by the spherical guide member and is swingably guided.
According to the configuration of the above embodiment, the guide member has the rod-shaped guide member and the spherical guide member. The rod-shaped guide member is fixed to the fixing member. The spherical guide member is fitted to the rod-shaped guide member and guided so as to be movable in the vertical direction. The intermediate fitting is supported on the spherical surface by the spherical guide member and guided so as to be swingable.
As a result, the intermediate bracket can swing while moving up and down with respect to the guide member, and even if multiple elastic cylinders are stacked in multiple stages, the elastic cylinders can be expanded and contracted with a small resistance without buckling. Can withstand or control long-period vibration.

An air spring according to an embodiment of the present invention includes one lower fitting, one upper fitting, N = 2 or more N + 1 elastic cylinders, N intermediate fittings, and N guide members. And the other intermediate brackets adjacent to the brackets fixed to and fixed to the fixing members or one of the N-1 intermediate brackets that are different from each other. Guide each to move freely in the direction.
According to the configuration of the above embodiment, the air spring includes one lower metal fitting, one upper metal fitting, N = 2 or more N + 1 elastic cylinders, N intermediate metal fittings, and N guides. Member. The other intermediate fittings adjacent to the fittings fixed to and fixed to each of the fixing members or one of the N-1 intermediate fittings which are different from each other can be moved in the vertical direction. To each.
As a result, even if a plurality of elastic cylinders are stacked in multiple stages, the elastic cylinders do not buckle and can be expanded and contracted with a small resistance, and the natural frequency can be lowered and long-period vibration can be isolated or controlled.

An air spring according to an embodiment of the present invention includes one lower fitting, one upper fitting, N = 2 or more N + 1 elastic cylinders, N intermediate fittings, and N guide members. N guide members are fixed to the fixing member, respectively, and one of the N intermediate members different from the intermediate member is guided in a vertically movable manner.
According to the configuration of the above embodiment, the air spring includes one lower metal fitting, one upper metal fitting, N = 2 or more N + 1 elastic cylindrical bodies, N intermediate metal fittings, and N guide members. Have N pieces of the guide members are fixed to the fixing member, respectively, and one of the different intermediate fittings among the N pieces of the intermediate fittings is guided to be movable in the vertical direction.
As a result, even if a plurality of elastic cylinders are stacked in multiple stages, the elastic cylinders do not buckle and can be expanded and contracted with a small resistance, and the natural frequency can be lowered and long-period vibration can be isolated or controlled.

The seismic isolation or damping mechanism device supported by the foundation according to the embodiment of the present invention and supporting the supported body includes the air spring described in one of the above.
By the structure of said embodiment, the seismic isolation or damping mechanism apparatus is equipped with the air spring as described in one of the above.
As a result, even if a plurality of elastic cylinders are stacked in multiple stages, the elastic cylinders do not buckle and can be expanded and contracted with a small resistance, and the natural frequency can be lowered and long-period vibration can be isolated or controlled.

As described above, the air spring and the seismic isolation or damping mechanism device according to the present invention have the following effects depending on the configuration.
N + 1 elastic cylinders are stacked in multiple stages with N pieces of intermediate fittings sandwiched therebetween, and the guide member fixed to one of the lower fitting or the upper fitting moves at least one intermediate fitting in the vertical direction. Since it is guided to move freely, even if a plurality of the elastic cylinders are stacked in multiple stages, the elastic cylinders can be expanded and contracted with a small resistance without buckling, and the natural frequency can be lowered to reduce the long-period vibration. Can control vibration.
Further, since the guide member fixed to one of the lower metal fitting or the upper metal fitting guides the adjacent intermediate metal fittings so as to be movable in the vertical direction, a plurality of elastic cylindrical bodies can be stacked in multiple stages. The elastic cylindrical body can be expanded and contracted with a small resistance without buckling, and the natural frequency can be lowered and the long-period vibration can be isolated or controlled.
In addition, since the guide member fixed to one of the lower metal fitting or the upper metal fitting guides the N intermediate metal fittings so as to be movable in the vertical direction, the plurality of elastic cylindrical bodies are stacked in multiple stages. In addition, the elastic cylindrical body can be expanded and contracted with a small resistance without buckling, and the natural frequency can be lowered and the long-period vibration can be isolated or controlled.
In addition, the spherical guide that is fitted to the rod-shaped guide member fixed to the fixing member and is guided so as to be movable in the vertical direction supports the intermediate fitting in a spherical shape and guides the intermediate bracket in a swingable manner. The intermediate bracket can swing while moving in the vertical direction with respect to the member, and even if a plurality of the elastic cylinders are stacked in multiple stages, the elastic cylinders can be expanded and contracted with a small resistance without buckling. Can isolate or control the vibration of the cycle.
Further, since the N guide members fixed to the fixing member or the different intermediate fittings respectively guide the other adjacent intermediate fittings so as to be movable in the vertical direction, a plurality of the intermediate fittings are provided. Even if the elastic cylinders are stacked in multiple stages, the elastic cylinders can be expanded and contracted with a small resistance without buckling, and the natural frequency can be lowered and the long-period vibration can be isolated or controlled.
In addition, since the N guide members fixed to the fixing member guide the intermediate fittings so as to be movable in the vertical direction, even if a plurality of elastic cylinders are stacked in multiple stages, the elastic cylinders Without buckling, it can be expanded and contracted with a small resistance, and the natural frequency can be lowered to isolate or control long-period vibration.
In addition, since the seismic isolation or vibration control mechanism device includes the air spring, the natural frequency can be lowered and the long-period vibration can be isolated or controlled.
Accordingly, it is possible to provide an air spring and a device for a seismic isolation or damping mechanism that can exhibit a seismic isolation or damping function with a simple configuration.

1 is an overall view of a seismic isolation or vibration control mechanism according to an embodiment of the present invention. It is a top view of the seismic isolation or damping mechanism which concerns on embodiment of this invention. It is AA sectional drawing of the seismic isolation or damping mechanism which concerns on embodiment of this invention. It is BB sectional drawing of the seismic isolation or damping mechanism which concerns on embodiment of this invention. It is a conceptual diagram of the air spring concerning embodiment of this invention. It is sectional drawing of the air spring concerning 1st embodiment of this invention. It is sectional drawing of the air spring concerning 2nd embodiment of this invention. It is sectional drawing of the air spring concerning 3rd embodiment of this invention. It is sectional drawing of the air spring concerning 4th embodiment of this invention. It is sectional drawing of the air spring concerning 5th embodiment of this invention. It is sectional drawing of the air spring concerning the 6th embodiment of this invention. It is sectional drawing of the air spring concerning the 7th embodiment of this invention. It is sectional drawing of the air spring concerning 8th embodiment of this invention.

Hereinafter, modes for carrying out the present invention will be described.
First, the seismic isolation or damping mechanism using the seismic isolation or damping mechanism device according to the embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an overall view of a seismic isolation or vibration control mechanism according to an embodiment of the present invention. FIG. 2 is a plan view of the seismic isolation or vibration control mechanism according to the embodiment of the present invention. FIG. 3 is an AA cross-sectional view of the seismic isolation or vibration control mechanism according to the embodiment of the present invention. FIG. 4 is a BB cross-sectional view of the seismic isolation or vibration control mechanism according to the embodiment of the present invention.

  The seismic isolation or damping mechanism according to an embodiment of the present invention is a mechanism that is supported by a foundation and supports a supported body, and is a seismic isolation or damping mechanism device 10, a floor steel frame 20, a damper 30, and an automatic leveling device. 50 and a floor structure 70.

The seismic isolation or vibration control mechanism device 10 is a device that is supported by a foundation and supports a supported body using a compressive force of gas, and includes an air spring 100.
The seismic isolation or vibration control mechanism device 10 may include an air spring 100, an auxiliary tank 200, and a communication pipe 300.
The seismic isolation or damping mechanism device 10 may be configured by an air spring 100, a single auxiliary tank 200, and a communication pipe 300.
The seismic isolation or damping mechanism device 10 may be composed of an air spring 100, a plurality of auxiliary tanks 200, and a plurality of communication pipes 300.
For example, the seismic isolation or vibration control mechanism device 10 may include an air spring 100, M auxiliary tanks 200, and M communication pipes 300.

The auxiliary tank 200 is a tank filled with a gas having a predetermined pressure.
The plurality of auxiliary tanks 200 are separated from each other.
The auxiliary tank 200 is composed of one or a plurality of pressure tanks.
When the auxiliary tank 200 includes a plurality of pressure tanks, the plurality of pressure tanks are communicated in series or in parallel.

The plurality of communication pipes 300 are pipes that are separated from each other and communicate with the air spring and one or more auxiliary tanks.
The plurality of communication pipes 300 may be pipes that are separated from each other and communicate with an air spring and a single auxiliary tank.
The communication pipe 300 may be pipes that are separated from each other and communicate with the air spring and the plurality of auxiliary tanks.
For example, the communication pipe 300 has one end connected to the auxiliary tank 200 and the other end connected to the air communication port 162 of the air spring 100. The other communication pipe 300 has one end connected to the other auxiliary tank 200 and the other end connected to the air communication port 162 of the air spring 100.

The floor steel frame 20 is a steel frame structure that supports the floor structure 70.
The floor steel frame 20 has a structure in which steel frames are assembled in a cross-beam shape.
The floor steel frame 20 is supported by a plurality of seismic isolation or vibration control mechanism devices 10 supported by a foundation.

The damper 30 is a device that attenuates vibration energy when the floor steel frame 20 vibrates.
For example, the damper 30 is a hydraulic damper.
A plurality of dampers 30 are provided between the foundation and the floor steel frame 20.

The automatic leveling device 50 is a device that automatically controls the level of the floor steel frame 20.
A plurality of automatic leveling devices 50 may be provided in each of the plurality of seismic isolation or damping mechanism devices 10.
For example, the automatic leveling device 50 sucks or discharges air to the air spring 100 of the seismic isolation or vibration control device 10 so that the height position of the floor steel frame 20 is maintained at a predetermined height.
The automatic leveling device 50 discharges air from the air spring 100 of the seismic isolation or vibration control device 10 when the height position of the floor steel frame 20 becomes higher than a predetermined height, and the height position of the floor steel frame 20 reaches a predetermined height. If the height is lower than that, air is sucked into the air spring 100 of the seismic isolation or vibration control mechanism device 10 to keep the height of the floor steel frame 20 at a predetermined height.

The floor structure 70 is a structure that forms a floor.
The floor structure 70 is supported by the floor steel frame 20 at a plurality of locations.

Below, the structure of the air spring concerning embodiment of this invention is demonstrated based on a figure.
FIG. 5 is a conceptual diagram of an air spring according to an embodiment of the present invention.
The air spring 100 is supported by a foundation and supports a supported body, and is composed of one lower fitting 110, one upper fitting 120, and an elastic cylindrical body 130.
The air spring 100 may be composed of one lower fitting 110, one upper fitting 120, a plurality of elastic cylindrical bodies 130, and one or more guide members 150.
The air spring 100 includes one lower fitting 110, one upper fitting 120, N + 1 elastic cylinders 130, N intermediate fittings 140, one or more guide members 150, and an air chamber 160. May be.

The lower metal fitting 110 is a fixing member.
The lower metal fitting 110 may be a plate-like member.
The lower metal fitting 110 may be a plate-like metal fitting.
The lower metal fitting 110 may be a member having a portion that fits in the opening below the elastic cylindrical body 130 on the upper surface.
For example, the lower metal fitting 110 is a plate-like metal plate having a ring-shaped protrusion that fits in the opening below the elastic cylindrical body 130 on the upper surface.

The upper metal fitting 120 is a fixing member.
The upper metal fitting 120 may be a plate-like member.
The upper metal fitting 120 may be a plate-shaped metal fitting.
The upper metal member 120 may be a member having a lower surface having a portion that fits into the opening above the elastic cylindrical body 130.
For example, the upper metal fitting 120 is a plate-like metal plate having a ring-shaped protrusion that fits into the upper opening of the elastic cylindrical body 130 on the lower surface.

The elastic cylindrical body 130 is an elastic cylindrical member that forms a pair of upper and lower openings and can expand and contract in the vertical direction.
For example, the elastic cylindrical body 130 includes a rubber film 131 and one or a plurality of members 132.
The rubber film 131 is a fiber-reinforced rubber cylindrical member that forms a pair of upper and lower openings.
However, the member 132 is a metal ring-shaped member surrounding the outer periphery of the cylinder of the rubber film 131.
A plurality of chisel members 132 surround the outer periphery of the rubber film 131 with a predetermined interval in the vertical direction.

The intermediate metal fitting 140 is a member.
The intermediate metal fitting 140 may be a plate-like member.
The intermediate metal fitting 140 may be a plate-shaped metal fitting.
For example, the intermediate metal fitting 140 has a ring-shaped protrusion that fits in the lower opening of the elastic cylindrical body 130 on the upper surface, and has a protrusion that fits in the upper opening of the elastic cylindrical body 130 on the lower surface and penetrates vertically. It is a plate-shaped metal plate provided with the communication hole O.

The lower metal fitting 110 is supported by the foundation and blocks the opening below the lowermost elastic cylinder 130 from the atmosphere.
For example, the lower opening of the lowermost elastic cylinder 130 is fitted into a protrusion provided on the upper surface of the lower metal fitting 110 to be kept airtight.
The upper metal fitting 120 supports the supported body and blocks the opening above the uppermost elastic cylinder 130 from the atmosphere.
For example, the upper opening of the uppermost elastic cylindrical body 130 is fitted into a protrusion provided on the lower surface of the upper metal fitting 120 to be kept airtight.
N intermediate fittings 140 communicate with the lower opening of the elastic cylindrical body 130 in contact with the upper surface and the upper opening of the elastic cylindrical body 130 in contact with the lower surface, respectively, and further shield them from the atmosphere.
For example, the lower opening of the elastic cylindrical body 130 in contact with the upper surface is fitted into a protrusion provided on the upper surface of the intermediate metal fitting 140 to be kept airtight, and the upper opening of the elastic cylindrical body 130 in contact with the lower surface is the lower surface of the intermediate metal fitting 140. The communicating hole O provided in the intermediate metal fitting 140 communicates with the lower opening of the elastic cylindrical body 130 in contact with the upper surface and the upper opening of the elastic cylindrical body 130 in contact with the lower surface. To do.

The guide member 150 is a member that guides the intermediate metal fitting 140.
A guide member 150 is fixed to a fixing member that is one of the lower metal fitting 110 and the upper metal fitting 120, and guides at least one intermediate metal fitting 140 so as to be movable in the vertical direction.
The fixing member is one of the lower metal fitting 110 and the upper metal fitting 120.
The guide member 150 may be fixed to the fixing member and may guide at least one intermediate metal fitting 140 adjacent to the fixing member so as to be movable in the vertical direction.
The guide member 150 may be fixed to the fixing member and guide the N intermediate fittings 140 so as to be movable in the vertical direction.

  The air spring 100 includes one lower metal fitting 110, one upper metal fitting 120, N = 2 or more elastic cylinders 130, N intermediate metal fittings 140, N guide members 150, and an air chamber 160. The N guide members 150 are each fixed to one of the fixing members or one of the N-1 intermediate metal fittings 140, and the other intermediate metal fittings adjacent to the metal fittings to be fixed. 140 may be guided to be movable in the vertical direction.

  The air spring 100 includes one lower metal fitting 110, one upper metal fitting 120, N = 2 or more elastic cylinders 130, N intermediate metal fittings 140, N guide members 150, and an air chamber 160. N guide members 150 are fixed to the fixing members, respectively, and one of the N intermediate brackets 140 is guided to each of the different intermediate brackets 140 so as to be movable in the vertical direction. Also good.

The guide member 150 may be composed of a rod-shaped guide member 151 and a spherical guide member 152.
The rod-shaped guide member 151 is fixed at the ends to the fixing members 110 and 120.
The spherical guide member 152 is fitted to the rod-shaped guide member 151 and guided so as to be movable in the vertical direction.
The intermediate metal fitting 140 is spherically supported by the spherical guide member 152 and guided in a swingable manner.

The guide member 150 may be composed of a rod-shaped guide member 151 and a cylindrical guide member 153.
The rod-shaped guide member 151 is fixed at the ends to the fixing members 110 and 120.
A cylindrical guide member 153 is fitted to the rod-shaped guide member 151 and guided so as to be movable in the vertical direction.
The intermediate metal fitting 140 is fixed to the cylindrical guide member 153.
A pair of left and right guide members 150 may be provided.

The air chamber 160 has a room structure having a space communicating with the inside of the elastic cylindrical body 130.
The air chamber 160 is fixed to one of the lower metal fitting 110 or the upper metal fitting 120, communicates with an opening of the elastic cylindrical body 130 in contact with one of the lower metal fitting 110 or the upper metal fitting 120, and is a chamber structure that is cut off from the atmosphere. It is.
The air chamber 160 includes an air chamber member 161 and an air communication port 162.
The air chamber member 161 is a member having a predetermined height and a diameter substantially matching the circumferential diameter of the cylindrical shape of the elastic cylindrical body 130 and having a sealed space inside.
The air communication port 162 is a communication port that connects one end of the communication pipe 300.

  Next, an air spring used for a seismic isolation or vibration control mechanism device according to a plurality of embodiments of the present invention will be described in detail with reference to the drawings.

Initially, the air spring concerning 1st embodiment of this invention is demonstrated based on a figure.
FIG. 6 is a cross-sectional view of part 1 of the air spring according to the embodiment of the present invention.
The air spring 100 includes one lower fitting 110, one upper fitting 120, two elastic cylindrical bodies 130, one intermediate fitting 140, one guide member 150, and an air chamber 160.

Two elastic cylindrical bodies 130 overlap in multiple stages, and the whole is sandwiched between the lower metal fitting 110 and the upper metal fitting 120, and one intermediate metal fitting 140 is sandwiched between each other.
The lower metal fitting 110 is supported by the foundation and blocks the opening below the lowermost elastic cylinder 130 from the atmosphere.
The upper metal member 120 supports the supported body and blocks the opening above the uppermost elastic cylinder 130 from the atmosphere.
One intermediate fitting 140 communicates the lower opening of the elastic cylindrical body 130 in contact with the upper surface and the upper opening of the elastic cylindrical body 130 in contact with the lower surface, and further shields them from the atmosphere.
The guide member 150 is fixed to the lower metal fitting 110, which is a fixing member, and guides one intermediate metal fitting 140 to be movable in the vertical direction.

One guide member 150 is disposed inside the elastic cylindrical body 130.
In this way, the structure of the guide member 150 can be simplified, and the resistance force between the guide member 150 and the intermediate metal fitting 140 can be reduced.

The guide member 150 includes a rod-shaped guide member 151 and a spherical guide member 152.
The intermediate metal fitting 140 can move up and down while swinging on the spherical surface.
In this way, when the air spring 100 repeatedly compresses and expands in the vertical direction, the intermediate metal fitting 140 moves up and down with a small resistance, thereby suppressing an increase in the natural frequency of the seismic isolation or vibration control mechanism device. it can.

Next, an air spring according to a second embodiment of the present invention will be described with reference to the drawings.
FIG. 7 is a sectional view of the air spring 2 according to the embodiment of the present invention.
The air spring 100 includes one lower fitting 110, one upper fitting 120, three elastic cylindrical bodies 130, two intermediate fittings 140, one guide member 150, and an air chamber 160.

Three elastic cylindrical bodies 130 overlap in multiple stages, and the whole is sandwiched between the lower metal fitting 110 and the upper metal fitting 120, and the two intermediate metal fittings 140 are sandwiched between each other.
The lower metal fitting 110 is supported by the foundation and blocks the opening below the lowermost elastic cylinder 130 from the atmosphere.
The upper metal fitting 120 supports the supported body and blocks the opening above the uppermost elastic cylinder 130 from the atmosphere.
The two intermediate fittings 140 communicate with the lower opening of the elastic cylindrical body 130 in contact with the upper surface and the upper opening of the elastic cylindrical body 130 in contact with the lower surface, respectively, and further shield them from the atmosphere.
The guide member 150 is fixed to the lower metal fitting 110, which is a fixing member, and guides the two intermediate metal fittings 140 to be movable in the vertical direction.

One guide member 150 is disposed inside the elastic cylindrical body 130.
In this way, the structure of the guide member 150 can be simplified, and the resistance force between the guide member 150 and the intermediate metal fitting 140 can be reduced.

The guide member 150 includes a rod-shaped guide member 151 and two spherical guide members 152.
The two intermediate fittings 140 can move up and down while swinging on the spherical surface.
In this way, when the air spring 100 repeats compression and extension in the vertical direction, the two intermediate metal fittings 140 move up and down with a small resistance, so that the natural frequency of the seismic isolation or damping mechanism device increases. This can be suppressed.

Next, an air spring according to a third embodiment of the present invention will be described with reference to the drawings.
FIG. 8 is a sectional view of the third part of the air spring according to the embodiment of the present invention.
The air spring 100 includes one lower metal fitting 110, one upper metal fitting 120, three elastic cylindrical bodies 130, two intermediate metal fittings 140, two guide members 150, and an air chamber 160.

Three elastic cylindrical bodies 130 overlap in multiple stages, and the whole is sandwiched between the lower metal fitting 110 and the upper metal fitting 120, and the two intermediate metal fittings 140 are sandwiched between each other.
The lower metal fitting 110 is supported by the foundation and blocks the opening below the lowermost elastic cylinder 130 from the atmosphere.
The upper metal fitting 120 supports the supported body and blocks the opening above the uppermost elastic cylinder 130 from the atmosphere.
The two intermediate fittings 140 communicate with the lower opening of the elastic cylindrical body 130 in contact with the upper surface and the upper opening of the elastic cylindrical body 130 in contact with the lower surface, respectively, and further shield them from the atmosphere.
Two guide members 150 are respectively fixed to the lower metal fitting 110 as a fixing member or one of the two intermediate metal fittings different from each other, and the other intermediate metal fitting 140 adjacent to the metal fitting to be fixed is moved in the vertical direction. Guide each to move freely.
The two guide members 150 are composed of one guide member 150 at the first stage and one guide member 150 at the second stage.
One guide member 150 in the first stage is fixed to the lower metal fitting 110 that is a fixing member, and guides the intermediate metal fitting 140 immediately above the lower metal fitting 110 to be fixed to each other so as to be movable in the vertical direction.
One second-stage guide member 150 is fixed to the first-stage intermediate metal fitting 140, and the second-stage intermediate metal fitting 140 adjacent to the fixed intermediate metal fitting 140 is guided to be movable in the vertical direction. To do.
One second-stage guide member 150 is fixed to the first-stage intermediate bracket 140, and the second-stage intermediate bracket 140 immediately adjacent to the fixed intermediate bracket 140 is movable in the vertical direction. To guide.

The two guide members 150 are disposed inside the elastic cylindrical body 130.
In this way, the structure of the guide member 150 can be simplified, and the resistance force between the guide member 150 and the intermediate metal fitting 140 can be reduced.

Two guide members 150 are each composed of one rod-shaped guide member 151 and one spherical guide member 152.
The two intermediate fittings 140 can move up and down while swinging on the spherical surface.
In this way, when the air spring 100 repeats compression and extension in the vertical direction, the two intermediate metal fittings 140 move up and down with a small resistance, so that the natural frequency of the seismic isolation or damping mechanism device increases. This can be suppressed.
In particular, since the two guide members guide the two intermediate fittings 140 to each other, the relative speeds of the two guide members and the two intermediate fittings 140 become substantially equal, and the air according to the second embodiment Compared to the spring structure, the two intermediate fittings 140 move up and down with less resistance.

Next, an air spring according to a fourth embodiment of the present invention will be described with reference to the drawings.
FIG. 9 is a sectional view of air spring 4 according to the embodiment of the present invention.
The air spring 100 includes one lower fitting 110, one upper fitting 120, two elastic cylindrical bodies 130, one intermediate fitting 140, two guide members 150, and an air chamber 160.

The two elastic cylindrical bodies 130 are sandwiched between the lower metal fitting 110 and the upper metal fitting 120 as a whole, and overlap each other with one intermediate metal fitting 140 interposed between them.
The lower metal fitting 110 is supported by the foundation and blocks the opening below the lowermost elastic cylinder 130 from the atmosphere.
The upper metal fitting 120 supports the supported body and blocks the opening above the uppermost elastic cylinder 130 from the atmosphere.
One intermediate fitting 140 communicates the lower opening of the elastic cylindrical body 130 in contact with the upper surface and the upper opening of the elastic cylindrical body 130 in contact with the lower surface, and further shields them from the atmosphere.
The guide member 150 is fixed to the lower metal fitting 110, which is a fixing member, and guides one intermediate metal fitting 140 to be movable in the vertical direction.

The two guide members 150 are disposed outside the elastic cylindrical body 130.
The two guide members 150 are arranged at a pair of left and right positions sandwiching the elastic cylindrical body 130.
Two guide members 150 and lower ends thereof are fixed to the lower metal fitting 110, respectively, to guide one intermediate metal fitting 140.
In this way, the guide member 150 is exposed, and maintenance becomes easy.
Further, the swinging motion of the intermediate metal fitting 140 can be suppressed with a small resistance.

The guide member 150 includes a rod-shaped guide member 151 and a cylindrical guide member 153.
The intermediate metal fitting 140 can move up and down while restraining the swinging motion.
In this way, when the air spring 100 repeats compression and extension in the vertical direction, the intermediate metal fitting 140 stably moves up and down, so that it is possible to suppress an increase in the natural frequency of the seismic isolation or damping mechanism device. .

Next, an air spring according to a fifth embodiment of the present invention will be described with reference to the drawings.
FIG. 10 is a sectional view of the air spring 5 according to the embodiment of the present invention.
The air spring 100 includes one lower metal fitting 110, one upper metal fitting 120, three elastic cylindrical bodies 130, two intermediate metal fittings 140, two guide members 150, and an air chamber 160.

The three elastic cylindrical bodies 130 are sandwiched between the lower metal fitting 110 and the upper metal fitting 120 as a whole, and overlap each other with two intermediate metal fittings 140 sandwiched between each other.
The lower metal fitting 110 is supported by the foundation and blocks the opening below the lowermost elastic cylinder 130 from the atmosphere.
The upper metal fitting 120 supports the supported body and blocks the opening above the uppermost elastic cylinder 130 from the atmosphere.
The two intermediate fittings 140 communicate with the lower opening of the elastic cylindrical body 130 in contact with the upper surface and the upper opening of the elastic cylindrical body 130 in contact with the lower surface, respectively, and further shield them from the atmosphere.
The guide member 150 is fixed to the lower metal fitting 110, which is a fixing member, and guides the two intermediate metal fittings 140 to be movable in the vertical direction.

The two guide members 150 are disposed outside the elastic cylindrical body 130.
The two guide members 150 are arranged at a pair of left and right positions sandwiching the elastic cylindrical body 130.
The two guide members 150 and the lower ends are fixed to the lower metal fitting 110, respectively, and the two intermediate metal fittings 140 are guided to each.
In this way, the guide member 150 is exposed, and maintenance becomes easy.
Further, the swinging motion of the intermediate metal fitting 140 can be suppressed with a small resistance.

The two guide members 150 are composed of a rod-shaped guide member 151 and two cylindrical guide members 153.
The two intermediate metal fittings 140 can move up and down while suppressing the swinging motion.
In this way, when the air spring 100 repeats compression and extension in the vertical direction, the two intermediate metal fittings 140 move up and down with a small resistance, so that the natural frequency of the seismic isolation or damping mechanism device increases. This can be suppressed.

Next, an air spring according to a sixth embodiment of the present invention will be described with reference to the drawings.
FIG. 11 is a cross-sectional view of the air spring 6 according to the embodiment of the present invention.
The air spring 100 includes one lower fitting 110, one upper fitting 120, three elastic cylindrical bodies 130, two intermediate fittings 140, four guide members 150, and an air chamber 160.

The three elastic cylindrical bodies 130 are sandwiched between the lower metal fitting 110 and the upper metal fitting 120 as a whole, and overlap each other with two intermediate metal fittings 140 sandwiched between each other.
The lower metal fitting 110 is supported by the foundation and blocks the opening below the lowermost elastic cylinder 130 from the atmosphere.
The upper metal member 120 supports the supported body and blocks the opening above the uppermost elastic cylinder 130 from the atmosphere.
The two intermediate fittings 140 communicate with the lower opening of the elastic cylindrical body 130 in contact with the upper surface and the upper opening of the elastic cylindrical body 130 in contact with the lower surface, respectively, and further shield them from the atmosphere.
Four guide members 150 are fixed to the lower metal fitting 110 serving as a fixing member or one of the two intermediate metal fittings different from each other, and another intermediate metal fitting 140 adjacent to the metal fitting to be fixed is moved in the vertical direction. Guide each to move freely.
The four guide members 150 are composed of two first-stage guide members 150 and two second-stage guide members 150.
The two first-stage guide members 150 are fixed to the lower metal fitting 110, which is a fixing member, and guide the intermediate metal fitting 140 immediately above the fixed lower metal fitting 110 so as to be movable in the vertical direction.
Two second-stage guide members 150 are fixed to the first-stage intermediate metal fitting 140, respectively, and the second-stage intermediate metal fitting 140 immediately adjacent to the fixed intermediate metal fitting 140 can be moved vertically. Guide each one.

The four guide members 150 are disposed outside the elastic cylindrical body 130.
In this way, the guide member 150 is exposed, and maintenance becomes easy.
Further, the swinging motion of the intermediate metal fitting 140 can be suppressed with a small resistance.

Four guide members 150 are each composed of one rod-shaped guide member 151 and one cylindrical guide member 153.
The two intermediate metal fittings 140 can move up and down while suppressing swinging motion.
In this way, when the air spring 100 repeats compression and extension in the vertical direction, the two intermediate metal fittings 140 move up and down with a small resistance, so that the natural frequency of the seismic isolation or damping mechanism device increases. This can be suppressed.
In particular, since the two guide members guide the two intermediate fittings 140 to each other, the relative speeds of the two guide members and the two intermediate fittings 140 become substantially equal, and the air according to the fifth embodiment Compared to the spring structure, the two intermediate fittings 140 move up and down with less resistance.

Furthermore, the seismic isolation or damping mechanism device according to the embodiment of the present invention and the seismic isolation or damping mechanism using the same have the following effects due to their configurations.
N + 1 elastic cylindrical bodies 130 are stacked in multiple stages, and N intermediate metal fittings 140 are sandwiched therebetween, and a guide member 150 fixed to the lower metal fitting 110 guides at least one intermediate metal member so as to be movable in the vertical direction. Therefore, even if a plurality of elastic cylinders 130 are stacked in multiple stages, the elastic cylinders 130 can be expanded and contracted with a small resistance without buckling, and the natural frequency can be lowered and long-period vibration can be isolated or controlled.
In addition, N + 1 elastic cylindrical bodies 130 are stacked in multiple stages, and N intermediate fittings 140 are sandwiched therebetween, and a guide member 150 fixed to the lower fitting 110 guides at least one intermediate fitting so as to be movable in the vertical direction. As a result, even if a plurality of elastic cylinders 130 are stacked in multiple stages, the elastic cylinders 130 can be expanded and contracted with a small resistance without causing buckling, and the natural frequency can be reduced and long-period vibrations can be isolated or controlled. .
In addition, since the guide member 150 fixed to the lower metal fitting 110, which is a fixing member, guides the adjacent intermediate metal fitting 140 so as to be movable in the vertical direction, it is elastic even if a plurality of elastic cylindrical bodies 130 are stacked in multiple stages. The cylindrical body 130 can be expanded and contracted with a small resistance without buckling, and the natural frequency can be lowered and the long-period vibration can be isolated or controlled.
Further, since the guide member 150 fixed to the lower metal fitting 110, which is a fixing member, guides the intermediate metal fitting 140 so as to be movable in the vertical direction, the elastic cylindrical body 130 can be obtained even when a plurality of elastic cylindrical bodies 130 are stacked in multiple stages. Can be expanded and contracted with a small resistance without buckling, and the natural frequency can be lowered and the long-period vibration can be isolated or controlled.
Further, a spherical guide member 152 that is fitted to a rod-shaped guide member 151 fixed to the lower metal fitting 110 as a fixing member and is guided so as to be movable in the vertical direction supports the intermediate metal piece 140 in a spherical manner and guides it in a swingable manner. Therefore, the intermediate metal fitting 140 can swing while moving in the vertical direction with respect to the guide member 150, and even if a plurality of elastic cylinders 130 are stacked in multiple stages, the elastic cylinders 130 can be expanded and contracted with a small resistance without buckling. Can reduce or reduce the natural frequency of long-period vibration.
Further, the N guide members 150 fixed to the lower metal fitting 110 as the fixing member or the different intermediate metal fittings 140 guide the other intermediate metal fittings 140 adjacent to each other so as to be movable in the vertical direction. Even if the plurality of elastic cylinders 130 are stacked in multiple stages, the elastic cylinders 130 can be expanded and contracted with a small resistance without causing buckling, and the natural frequency can be lowered and the long-period vibration can be isolated or controlled.
In addition, since the guide member 150 fixed to the lower metal fitting 110 as the fixing member guides the intermediate metal fitting 140 so as to be movable in the vertical direction, the elastic cylinder can be obtained even if a plurality of elastic cylinders 130 are stacked in multiple stages. The body 130 can be expanded and contracted with a small resistance without buckling, and the natural frequency can be lowered and the long-period vibration can be isolated or controlled.

The present invention is not limited to the embodiments described above, and various modifications can be made without departing from the scope of the invention.
Although the air chamber 160, the upper metal fitting 110, and the lower metal fitting 120 have been described as separate members, the present invention is not limited to this. The upper metal fitting 110 may also serve as the air chamber 160. The lower metal fitting 120 may also serve as the air chamber 160. For example, as shown in FIGS. 12 and 13, the lower metal fitting 110 may serve as the air chamber 160, and the guide member 150 may be fixed to the lower metal fitting 110 that also serves as the air chamber 160.
Although the air spring 100 has been described as including the air chamber 160, the present invention is not limited to this, and the air chamber 160 may not be included.
Although one end of the communication pipe 300 has been described as being connected to the air communication port 162 of the air chamber 160, the present invention is not limited to this, and one end of the communication pipe 300 is connected to the air communication port 162 provided in the lower metal fitting 110 or the upper metal fitting 120. You may make it connect.
“Lower metal fittings”, “upper metal fittings”, and “intermediate metal fittings” are names according to the customs of the industry and may not be made of metal.

О Communication hole 10 Seismic isolation or vibration control device 20 Floor steel 30 Damper 50 Automatic leveling device 70 Floor structure 100 Air spring 110 Lower bracket 120 Upper bracket 130 Elastic cylindrical body 131 Rubber film 132 Rubber member 140 Intermediate bracket 150 Guide member 151 Bar-shaped guide member 152 Spherical guide member 153 Tubular guide member 160 Air chamber 161 Air chamber member 162 Air communication port 200 Auxiliary tank 300 Communication piping 310 Pipe 320 Throttle element

Actually open Hei 07-243475 JP 09-302984 A Actual Kaihei 10-184756 JP 2005-058917 A

Claims (7)

An air spring that is supported by a foundation and can support a supported body,
One lower bracket as a fixing member;
One upper bracket as a fixing member;
N + 1 elastic cylinders that are elastic cylindrical members that each form a pair of upper and lower openings and can expand and contract in the vertical direction;
N intermediate brackets that are members;
One or more guide members;
With
N + 1 elastic cylinders are stacked in multiple stages and the whole is sandwiched between the lower metal fitting and the upper metal fitting, and the N intermediate metal fittings are sandwiched between each other,
The lower bracket is supported by the foundation, and the lower opening of the lowermost elastic cylinder is cut off from the atmosphere.
The upper bracket supports the supported body and blocks the opening above the uppermost elastic cylinder from the atmosphere,
N pieces of the intermediate fittings communicate with the lower opening of the elastic cylinder and the upper opening of the elastic cylinder, respectively, which are in contact with the upper surface, and further cut off from the atmosphere.
The guide member is fixed to a fixing member that is one of the lower metal fitting or the upper metal fitting and guides at least one of the intermediate metal fittings so as to be movable in the vertical direction;
An air spring according to the above description. The guide member is fixed to the fixing member and guides at least one intermediate fitting adjacent to the fixing member so as to be movable in the vertical direction;
The air spring according to claim 1. The guide member is fixed to the fixing member and guides the N intermediate fittings so as to be vertically movable;
The air spring according to claim 2. The guide member has a rod-shaped guide member and a spherical guide member,
The rod-shaped guide member is fixed to the fixing member;
The spherical guide member is fitted to the rod-shaped guide member and guided so as to be movable in the vertical direction,
The intermediate fitting is spherically supported by the spherical guide member and is guided to be swingable.
The air spring according to any one of claims 1 to 3, wherein the air spring is provided. One lower metal fitting, one upper metal fitting, N = 2 or more N + 1 elastic cylinders, N intermediate metal fittings, and N guide members.
N guide members move in the up and down direction to the other intermediate fittings adjacent to the fixtures fixed and fixed to the fixing member or one of the N-1 intermediate fittings different from each other. Guide each one freely
The air spring according to claim 1. One lower metal fitting, one upper metal fitting, N = 2 or more N + 1 elastic cylinders, N intermediate metal fittings, and N guide members.
N guide members are fixed to the fixing member, respectively, and one of the N intermediate brackets different from each other is guided in a vertically movable manner.
The air spring according to claim 1. A device for seismic isolation or damping mechanism that is supported by a foundation and supports a supported body,
The air spring according to one of claims 1 to 6,
Equipment for seismic isolation or vibration control mechanisms characterized by comprising.

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