JP2960393B1 - Air sealing device for pneumatic levitation type moving device - Google Patents

Abstract

Abstract: PROBLEM TO BE SOLVED: To make it difficult to uniformly apply air pressure for sufficiently lifting a heavy object to a plurality of air bearing elements, and to make it difficult to stably float and move due to imbalance in weight distribution. A sealing member is provided around a moving device (M) and moves up and down together with the moving device (M). A slide member is provided between the support member T and the seal member S to follow the elevation of the moving device M while the lower surface of the seal member S is in contact with the floor surface G when the support member T is raised and lowered. A linear slide portion U including a member 12 and a roller member 13 for guiding the slide member 12 is provided;
The sealing device S is stably brought into contact with the floor surface G to move the moving device M
Prevent air leakage from the surroundings.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air seal device in a pneumatic levitation type moving device for moving a heavy object such as a transport vehicle such as a building or a ship.

[0002]

2. Description of the Related Art Conventionally, as means for moving a heavy object (hereinafter, collectively referred to as a "heavy object") such as the building or the transporting trolley, a ground surface, a floor surface, etc. (hereinafter, collectively referred to as "heavy object") have been used. A method is known in which a rail is laid on a “floor surface”, a number of wheels for traveling on the rail are mounted on a moving device, and the moving device is moved along the rail by driving the wheels. Have been.

[0003] However, a mechanism for supporting and moving a heavy object by wheels requires a huge number of wheels and a high-output driving device, and the initial cost including rail installation costs becomes extremely high.

Therefore, as a moving device for moving this kind of heavy object, a transfer device using air pressure has been proposed. For example, in the invention described in Japanese Patent Application Laid-Open No. 62-96224, the bogie is floated by applying air pressure to the lower part thereof, and is moved along the rail in this state (conventional example 1).

[0005] Another prior art is disclosed in
Japanese Patent Application Laid-Open No. 97010/1995 and Japanese Patent Application Laid-Open No. H07-206152 each disclose a plurality of air bearing elements on the bottom surface of a carrier, and inflate the air bearing elements by air pressure to lift the carrier from the floor. By doing so, the running resistance is reduced (conventional example 2).

[0006]

However, since the prior art 1 is constructed so as to be able to levitate as a device including a rail, a heavy object to be moved by the invention according to the present application is considered. It cannot be moved.

In the second prior art, since the cargo bed is supported by a plurality of air bearing elements, it is difficult to apply an air pressure for sufficiently lifting a heavy object uniformly to the plurality of air bearing elements. There is a possibility that stable floating cannot be expected due to the imbalance of the weight distribution.

[0008] Further, there is a possibility that a horizontal sliding force of the pneumatic levitation force of the air bearing element applied to the loading platform causes the skidding to occur, and it is difficult to stably move the loading platform in a floating state.

[0009]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the invention according to the present application is to apply air pressure to an inner space below a moving device, and to provide a seal member provided around the moving device to form a space between the inner space and the outer space. The air of a pneumatic levitation type moving device (hereinafter, simply referred to as “moving device”) that moves the entire moving device by a predetermined amount from the floor surface by sealing the moving device while supporting a part of its own weight with wheels. As a sealing device, a supporting member that moves up and down together with the moving device is provided around a lower portion of the moving device, and a sealing member that contacts the floor surface and seals an inner space below the moving device and an outer space on a side of the moving device. A sliding member that follows the lifting and lowering of the moving device in a state where the lower surface of the sealing member is in contact with the floor surface when the supporting member is raised and lowered, and a roller member that guides the sliding member between the supporting member and the sealing member. It provided a linear slide unit that Bei, own the air seal device provided around these mobile devices
It is divided at a fixed length, and a connecting seal member is provided at the divided portion . As the roller member, a cylindrical or spherical member can be used, and a member having a small frictional resistance in contact with the slide member is preferable. Further, the sealing material is a member that can maintain the sealing property by following the undulations of the floor surface, and specifically, is achieved by rubber, soft plastic, or the like.

Accordingly, when the moving device is moved up and down by applying air pressure to the lower surface of the moving device, the slide member guided by the roller member of the linear slide portion easily moves up and down, and the seal member is moved to the floor surface. The support member can be moved up and down in a state where it is in contact with the support member. Therefore, in a state where air is applied to the lower surface of the moving device and floated, the sealing member can be stably brought into contact with the floor surface to prevent air leakage from around the moving device. It is possible to move stably while supporting a part of its own weight with wheels in a state of being levitated. Moreover, Tei provided a connecting seal member dividing section divides the air sealing device at a predetermined length
Therefore , the sealing member can follow the undulation of the floor surface, and exhibit a stable sealing action.

[0011]

Further, the moving device is provided around a lower portion of the moving device.
The supporting member that moves up and down with the
Seal between the inner space of the unit and the outer space of the side of the moving device
Providing a sealing member, between the support member and the sealing member.
The lower surface of the seal member contacts the floor surface when the support member moves up and down.
A sliding member that follows the elevation of the moving device in a state where
A linear member having a roller member for guiding the slide member.
A slide portion is provided between the support member and the seal member.
To seal between the inner space and the outer space on the lower surface of the moving device
A flexible member is provided, and the flexible member is directed from the inner space to the outer space.
Air that acts on the inner space
A flexible member that expands under pressure presses the seal member against the floor
As a result, the sealing effect can be improved.

[0013] The flexible member may be arranged such that the bulging portion faces downward.
If it is arranged to swell, air pressure does not act on the inner space.
Can prevent deformation of the flexible member due to its own weight.
it can. In this case, the selection range of the flexible member is widened.

[0014] Further, the linear slide portion is formed by a support member.
If it is also provided on the outside space side, the linear slide
Assembly, maintenance and management of the guide can be performed.

In addition, if the seal member is made up of a high-hardness seal material and a low-hardness seal material, the high-hardness seal material follows fluctuations such as large undulations on the floor surface, and the small-size floor surface has small undulations. Since the low-hardness sealing material corresponds to the unevenness, the leakage of the compressed air in the inner space can be effectively prevented by such a double seal.

[0016]

[0017]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the invention according to the present application will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing an example of a pneumatic levitation type moving device using the air sealing device of the invention according to the present application. FIG. 2 is a longitudinal sectional view of a first embodiment showing an air sealing device of the invention according to this application, FIG. 3 (a) is a perspective view of the air sealing device shown in FIG. 2, and FIG. FIG. 3 (c) is a perspective view of a connecting seal member of the connecting portion. 4A is a front view of the air sealing device shown in FIG. 2, and FIG. 4B is a side view.

As shown in FIG. 1, in this embodiment, a pneumatic levitation type moving device M for moving a heavy object W such as a diesel engine or a vehicle will be described as an example. This moving device M
Is to form a frame 1 having a predetermined rigidity by combining strength members, to provide a heavy load table B on the top of the frame 1 and to cover the frame 1 around the heavy load table B. By providing the peripheral wall 2, it is formed so as to prevent air leakage from around the frame 1.

At a predetermined position of the frame 1, an air blower 3 for supplying air of a predetermined pressure to an inner space i of the frame 1 is provided, and compressed air is supplied to the inner space i by the air blower 3. Then, by setting the inside space i to a predetermined pressure, the entire moving device M is configured to float by a predetermined amount.

At a predetermined position of the frame 1, there is provided a traveling device 4 having wheels 5 for supporting a predetermined weight of the entire moving device M when moving.
At a predetermined air pressure (for example, about 0.3 kg / cm ² )
When the moving device M is lifted and moved by a predetermined amount,
The vehicle is configured to run with the wheels 5 protruding downward and supporting a predetermined weight of the moving device M.

An air sealing device N for preventing the compressed air in the inner space i from leaking to the outside is provided around the lower portion of the frame 1. Is provided.

As shown in FIGS. 2 to 4, the air sealing device N includes a support member T provided so as to protrude from the lower surface of the frame 1, and a lower portion of the moving device M in contact with the floor surface G. A seal member S for sealing between the space i and the outer space o on the side of the moving device M is provided, and a linear slide portion U provided between the support member T and the seal member S.
In this embodiment, the air seal device N is divided by a predetermined length in the circumferential direction of the moving device M.

The support member T includes a plate-shaped upper support member 6 fixed to the frame 1, a plate-shaped lower support member 8 fixed to the upper support member 6 with bolts 7, and a lower support member 8. And a guide member 9 protruding from the outer space side of the above. In this embodiment, the guide member 9 is provided with a roller member 13 of a linear slide portion U described later.

The seal member S comprises a substantially inverted T-shaped seal frame 10 and a seal material 11 provided on the lower surface of the seal frame 10. In this embodiment, the outer space of the seal frame 10 is provided. A slide member 12 constituting the linear slide portion U is provided upright on the side.

The linear slide portion U has guide members 9 projecting from both ends of a lower support member 8 divided into a predetermined length.
And a slide member 12 provided on the seal frame 10 that moves up and down along the roller member 13. This roller member 13
Are provided two each above and below the guide member 9,
As described above, the slide member 12 provided on the seal frame 10 is provided so as to be sandwiched between the inner space i and the outer space o.

Further, in the circumferential direction of the moving device of the slide member 12, a side roller member 14 for moving the seal member S in the same direction with the movement of the support member T is provided, and is provided on the lower support member 8. It is supported on a shaft 15. By providing the side roller members 14 on both sides of the slide member 12 (in the circumferential direction of the moving device), when the moving device M is moved, the side roller members 14 move so as to follow the seal member S. As shown by the two-dot chain line in FIG. 3 (a), a plate member 16 is protruded from a predetermined position of the seal frame 10 toward the lower support member 8, and the side roller member 14 is sandwiched between the plate members 16. The seal member S may be provided so as to follow the support member T.

The roller member 1 having a small frictional resistance as described above
By guiding the slide member 12 at 3 and 14, even if the moving device M moves up and down, the seal member 1 of the seal member S is always kept.
The moving device M can be stably moved up and down while maintaining a state where the device 1 is in contact with the floor surface G.

In this embodiment, the cylindrical roller members 13,
Although 14 is used, any means may be used as long as it can guide the ascending and descending of the slide member 12 with a small frictional resistance, and may be a spherical member or another form.

In this embodiment, the linear slide portion U is provided closer to the outer space o than the support member T,
The assembly, maintenance, and management of the linear slide portion U can be easily performed.

Further, a flexible member 17 is provided between the inner space side of the guide member 9 and the erected portion of the seal frame 10, and has a predetermined amount (a length capable of absorbing the vertical movement of the moving device). A bulging portion 17a is formed downward so as to hang down. Both ends of the flexible member 17 are fixed to the lower support member 8 and the seal frame 10 by stoppers 18.

As shown in FIGS. 3 (b) and 3 (c), the connecting portion of the guide member 9 of the support member T and the seal frame 10 of the seal member S, which are divided in the circumferential direction of the moving device, have a connecting seal. Member 1
9 are provided. The connection seal member 19 is configured to maintain the sealing performance at the connection portion while absorbing the vertical movement of the adjacent seal member S.

According to the air seal device N of the first embodiment configured as described above, when a predetermined air pressure is applied to the inner space i, the support member T, the flexible member 17 and the seal member S
As a result, the pressure in the inner space i separated from the outer space o increases, and the support member T, that is, the moving device M floats by a predetermined amount in a state where the seal member S maintains the sealing property with the floor surface G. At this time, the displacement between the support member T and the seal member S is absorbed by the flexible member 17 being flexed.

[0033] The floating state is in the state shown in FIG. 2, in this first embodiment, acts downwards between the center vertical line v ₂ of the central vertical line v ₁ and the sealing material 11 of the flexible member 17 Due to the force, the seal frame 10 of the seal member S effectively presses the seal member S against the floor surface G, and a stable sealing property without generating a large frictional resistance between the seal member 10 and the floor surface G. Can be demonstrated.

The pressing force Fvp of the sealing member S against the floor surface G
It is determined by the distance Av and pressure p between the center vertical line v ₂ of the central vertical line v ₁ and the sealing material 11 of the flexible member 17, F
vp = Av × p. The pressing force Fvp and the reaction force Fr from the floor are Fvp = Fr. Therefore, the flexible member 17
Center by appropriately setting the distance Av between the center vertical line v ₂ of a perpendicular v ₁ and the sealing material 11, the sealing member 11 the pressing force Fvp easily possible to set the force corresponding to use conditions or the like by the Becomes

At this time, the outward force Fhp acting between the floor A and the height Ah from the floor G to the center of the flexible member 17 is generated by the linear slide portion U which moves up and down along the roller member 13 of the support member T. Supported. This power relationship is Fhp = F
o -Fi.

In this manner, the moving device M is levitated, and for example, about 90% of the weight of the moving device M (heavy object) is supported by the air pressure of the inner space i (for example, about 0.3 kg / cm ² ). By making the remaining 10% bear on wheels 5 (Fig. 1),
The moving device m can be efficiently moved while supporting the entire weight of the moving device m in a well-balanced manner and maintaining the horizontal stability of the heavy object to be moved. The weight supported by the wheels 5 is, for example,
By setting it to about 10% of the entire moving device, even a device that moves a heavy object can be moved by the small wheels 5.

FIG. 5 is a longitudinal sectional view of a second embodiment of the air sealing device according to the present invention. In the second embodiment, the seal member of the seal member has a double structure. The same components as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted.

In the second embodiment, two sealing members having different hardness are disposed below a vertical member 20a which protrudes above the seal frame 20 and fixes the flexible member 17. Although not limited to these arrangements, in this embodiment, a low-hardness seal member 21 is provided on the outside, and a high-hardness seal member 22 is provided on the inner space side of the low-hardness seal member 21. For example, if the hardness difference between these sealing materials 21 and 22 is set to about 1: 2, the low-hardness sealing material 21 is maintained while the sealing member S is kept stable so as not to be deformed by the high-hardness sealing material 22. Thus, a stable sealing property with the floor surface G can be maintained. By providing the sealing materials 21 and 22 doubly as described above, the sealing performance can be improved and a more stable sealing action can be exhibited. In the case of this embodiment, a support member 23 that supports the slide member 12 protrudes from the seal frame 20.

With the air seal device N of the second embodiment having the above-described structure, similarly to the air seal device N of the first embodiment, the sealing material 2 provided on the seal frame 20 is provided.
The seals 21 and 22 can be effectively pressed against the floor surface G, and the sealing materials 21 and 22 can be kept in contact with the floor surface G to exhibit stable sealing performance.

FIG. 6 is a longitudinal sectional view showing a third embodiment of the air sealing device according to the present invention. In this embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted. In the third embodiment, a roller member 24 for guiding the slide member 12 in the vertical direction is provided on the slide member 12, and a guide member 25 protrudes from the lower support member 8 so as to guide the roller member 24 in the vertical direction. Have been.

Also in this case, when the moving device M is floated by applying air pressure to the inner space i, the roller member 24 is lowered along the guide member 25 while the seal member S is kept in contact with the floor surface G. Therefore, a stable sealing action by the sealing material 11 can be exhibited.

In the case of this embodiment, the center perpendicular v ₁ of the flexible member 17 and the center perpendicular v _{2 of} the sealing material 11 can be closer to each other than in the first embodiment. The floor surface G can be pressed by reducing the downward force, and a stable sealing performance can be exhibited while suppressing the frictional resistance between the sealing material 11 and the floor surface G.

FIG. 7 is a longitudinal sectional view of a fourth embodiment of the air sealing device according to the present invention. In the fourth embodiment, a roller member 24 is provided on the slide member 12 as in the second embodiment, and a low-hardness and high-hardness sealing material is provided on the seal frame 10 as in the third embodiment. .
Although the arrangement of these sealing materials is not limited, in this embodiment, a low-hardness sealing material 21 is provided on the outer space o side, and a high-hardness sealing material 22 is provided on the inner space side. The two-dot chain line in the figure indicates the connecting seal member 19.

In the case of this embodiment, when the inner space i is caused to float by applying air pressure, the roller member 24 of the slide member 12 is lowered along the guide member 25 as in the third embodiment. The sealability of the seal member S by the seal members 21 and 22 is the same as that of the second embodiment. The material 21 can maintain a stable sealing property with the floor surface G. By providing the sealing materials 21 and 22 doubly as described above, it is possible to improve the sealing performance and exhibit a more stable sealing action.

FIG. 8 is a longitudinal sectional view showing a fifth embodiment of the air sealing device according to the present invention. In this embodiment, a linear slide portion U is provided on the inner space side, and a support member T is provided on the outer space side.

In this embodiment, a slide member 12 projects downward from the lower surface of the frame 1 and a support member T projects outward from the slide member 12. On the other hand, a sealing frame 10 provided with a sealing material 11 on the lower surface
Are provided with a plurality of guide members 9, and a roller member 13 is provided on the guide member 9 along the slide member 12. A flexible member 17 swelling downward is provided between the seal frame 10 and the support member T. The support member T, the flexible member 17 and the seal frame 10 allow the inner space i and the outer space The sealing property with the space o is maintained.

According to the fifth embodiment, the moving device M is levitated by the air pressure applied to the inner space i.
The sealing member 11 is effectively pressed against the floor surface G by a downward force acting between the center perpendicular line v ₁ of the flexible member 17 and the center perpendicular line v ₂ of the sealing member 11, and the sealing member 11 and the floor G And a stable sealing property can be maintained while maintaining the contact state.

FIG. 9 is a longitudinal sectional view of a sixth embodiment showing the air sealing device of the invention according to this application. In this embodiment, contrary to the fifth embodiment, a linear slide portion U is provided on the outer space side, and a support member T is provided on the inner space side.

In this embodiment, a slide member 12 projects downward from the lower surface of the frame 1, and a support member T projects from the inner space side of the slide member 12. On the other hand, a plurality of guide members 9 are provided on the outer space side of the seal frame 10 in which the seal material 11 is provided on the lower surface and the outer space side is bent upward, and the guide members 9 are provided along the slide member 12. Is provided with a roller member 13.
An upwardly swelling flexible member 17 is provided between the seal frame 10 and the support member T. The support member T, the flexible member 17 and the seal frame 10 allow the inner space i and the outer space The sealing property with the space o is maintained. In this case, the flexible member 17 is configured not to hang down even when the inner space i is not compressed.

According to the sixth embodiment, the moving device M is floated by applying air pressure to the inner space i.
The sealing material 11 is effectively pressed against the floor G by a downward force acting between the center perpendicular v ₁ of the flexible member 17 and the center perpendicular v ₂ of the sealing material 11, and the sealing material 11 and the floor G And a stable sealing property can be maintained.

FIG. 10 is a longitudinal sectional view of a seventh embodiment showing an air sealing device according to the present invention. In this embodiment, the form of the seal frame 10 and the flexible member 17 in the fifth embodiment is different, and the guide member 9 is provided on the support member T side from the erected plate-like seal frame 26,
A roller member 13 is provided on the guide member 9. The roller member 13 moves up and down along the slide member 12 provided on the lower surface of the frame 1.

According to the seventh embodiment, similarly to the fifth embodiment, when the air pressure is applied to the inner space i, the moving device M is floated by the applied air pressure, and the center of the flexible member 17 is perpendicular to the center. v ₁ and the center perpendicular v of the sealing material 11
_The sealing material 11 is separated from the floor surface G by a downward force acting between
And the sealing material 11 can be kept in contact with the floor surface G even during the movement to maintain the sealing property.

FIG. 11 is a longitudinal sectional view of an eighth embodiment of the air sealing device according to the present invention. In this embodiment, the seal frame 27 of the seal member S is provided on the outer space o side of the slide member 12 provided on the lower surface of the frame 1, and the guide member 9 and the roller member 13 are provided on the inner space side of the seal frame 27. Provided. A flexible member 17 is provided between the support member T provided at the upper end of the slide member 12 and the bent portion of the seal frame 27 so as to bulge laterally toward the outer space.

According to the eighth embodiment, when the air pressure is applied to the inner space i, the moving device M is operated by the applied air pressure.
And the sealing material 11 is effectively pressed against the floor surface G by a downward force acting between the center perpendicular v ₁ of the flexible member 17 and the center perpendicular v ₂ of the sealing material 11, and the sealing material 11 Can be kept in contact with the floor surface G to maintain the sealing property.

FIG. 12 is a longitudinal sectional view of a ninth embodiment showing the air sealing device of the invention according to this application. In this embodiment, the support member T is located on the outer space side, and the seal member S is located on the inner space i.
The roller member 13 is provided on a seal frame 28 provided on the outer space side of the seal member S, and between the seal frame 28 and a support member T provided on the lower surface of the frame 1. Is provided with a flexible member 17 laterally.

According to the ninth embodiment, when the air pressure acts on the inner space i, the moving device M is moved by the applied air pressure.
And the upward force acting between the center perpendicular v ₁ of the flexible member 17 and the center perpendicular v ₂ of the sealant 11 reduces the weight of the seal frame 28 to move the sealant 11 to the floor G. The sealing member 11 can be effectively pressed, and the sealing property can be maintained while maintaining the state where the sealing material 11 is in contact with the floor surface G.

FIG. 13 is a longitudinal sectional view of a tenth embodiment showing the air sealing device of the invention according to this application. In this embodiment, a slide member 12 is protruded downward from the lower surface of the frame 1, and a support member T is protruded on the inner space side of the slide member. On the other hand, the sealing material 11
A plurality of guide members 9 are provided on the outer space side of the seal frame 29 provided on the lower surface, and a roller member 13 is provided on the guide member 9 along the slide member 12. Between the upper surface of the sealing material 11 of the seal frame 29 and the lower surface of the bent portion of the support member T, there is provided a flexible member 17 which swells in the horizontal direction. The sealability between the inner space i and the outer space o is maintained by the seal frame 29.

According to the tenth embodiment, the inner space i
When the air pressure is applied to the moving member M, the moving device M is levitated by the applied air pressure, and the center perpendicular v _{1 of the} flexible member 17 is applied.
The seal member 11 is effectively pressed against the floor surface G by a downward force acting between the seal member 11 and the center perpendicular v ₂ of the seal member 11, and the sealing member 11 is kept in contact with the floor surface G while maintaining the sealing state. Sex can be maintained.

FIG. 14 is a longitudinal sectional view of an eleventh embodiment showing the air sealing device according to the present invention. In this embodiment, a support member T is provided to project downward from the lower surface of the frame 1, and a plurality of guide members 9 are provided on the outer space side of the support member T. 1
3 are provided. On the other hand, a plurality of slide members 12 protrude upward from a seal frame 30 provided with a seal material 11 on a lower surface, and are configured to be able to move up and down between the roller members 13. A flexible member 17 swelling horizontally is provided between the seal frame 30 and the support member T, and the support member T, the flexible member 17 and the seal frame 30 are provided.
Thereby, the sealing property between the inner space i and the outer space o is maintained.

According to the eleventh embodiment, the inner space i
When the air pressure is applied to the moving member M, the moving device M is levitated by the applied air pressure, and the center perpendicular v _{1 of the} flexible member 17 is applied.
The seal member 11 is effectively pressed against the floor surface G by a downward force acting between the seal member 11 and the center perpendicular v ₂ of the seal member 11, and the sealing member 11 is kept in contact with the floor surface G while maintaining the sealing state. Sex can be maintained.

In the above-described embodiment, an example has been described in which the air sealing device N is divided in the circumferential direction of the moving device M and the linear slide portions U are provided at both ends. The arrangement and the like of the slide unit U may be appropriately determined according to the size and weight of the moving device M.

Further, which of the above-described embodiments is to be adopted, or a part of any of the embodiments is combined to form a new embodiment, depends on the size and weight of the heavy object to be moved by the moving device M. It may be appropriately determined according to the proportion of the weight% supported by the air pressure or the like.
In this case, the embodiment of the side roller member 14 in the above-described first embodiment may be appropriately selected.

Further, the above-described embodiment is an example,
Other configurations may be used as long as a seal between the moving device M that floats and moves by air pressure and the floor G can be maintained.

[0064]

The invention according to this application is implemented in the form described above, and has the following effects.

When the moving device is moved up and down by applying air pressure to the lower surface of the moving device, the slide member guided by the roller member of the linear slide portion easily moves up and down.
The support member can be stably moved up and down while the seal member is in contact with the floor surface, effectively preventing air leakage from around the moving device and moving the moving device stably. Becomes

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an example of a pneumatic levitation type moving device using an air sealing device of the invention according to the present application.

FIG. 2 is a longitudinal sectional view of the first embodiment showing the air sealing device of the invention according to the present application.

3A is a perspective view of the air seal device shown in FIG. 2, FIG. 3B is an enlarged perspective view of a connecting portion, and FIG. 3C is a perspective view of a connecting member of the connecting portion.

FIG. 4 is a side view of the air sealing device shown in FIG.

FIG. 5 is a longitudinal sectional view of a second embodiment showing the air sealing device of the invention according to the present application.

FIG. 6 is a longitudinal sectional view of a third embodiment showing an air sealing device of the invention according to the present application.

FIG. 7 is a longitudinal sectional view of a fourth embodiment showing an air sealing device of the invention according to the present application.

FIG. 8 is a longitudinal sectional view of a fifth embodiment showing the air sealing device of the invention according to the present application.

FIG. 9 is a longitudinal sectional view of a sixth embodiment showing the air sealing device of the invention according to the present application.

FIG. 10 is a longitudinal sectional view of a seventh embodiment showing the air sealing device of the invention according to the present application.

FIG. 11 is a longitudinal sectional view of an eighth embodiment showing the air sealing device of the invention according to the present application.

FIG. 12 is a vertical sectional view of a ninth embodiment showing the air sealing device of the invention according to the present application.

FIG. 13 is a longitudinal sectional view of a tenth embodiment showing the air sealing device of the invention according to the present application.

FIG. 14 is a longitudinal sectional view of an eleventh embodiment showing the air sealing device of the invention according to this application.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Frame body 2 ... Perimeter wall 3 ... Air blower 4 ... Traveling device 5 ... Wheel 6 ... Upper support material 8 ... Lower support material 9 ... Guide member 10 ... Seal frame 11 ... Seal material 12 ... Slide member 13 ... Roller member 14 ... side Part roller member 16 ... Plate member 17 ... Flexible member 19 ... Connection seal member 20 ... Seal frame 21,22 ... Seal material 23 ... Support member 24 ... Roller member 25 ... Guide member 26,27,28,29,30 ... Seal frame T ... support member U ... linear slide unit S ... sealing member i ... inner space o ... outer space G ... floor v _1, v ₂ ... center vertical line N ... air sealing device M ... mobile device W ... heavy

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-169407 (JP, A) JP-A-4-323103 (JP, A) Patent 2644680 (JP, B2) JP-B-57-20183 (JP, A) B2) (58) Field surveyed (Int. Cl. ⁶ , DB name) B65G 7/06 B60V 1/00-3/08

Claims (5)

(57) [Claims] An air pressure is applied to a space below a moving device, and the entire moving device is lifted from a floor surface by a predetermined amount by sealing with a sealing member provided around the moving device. An air sealing device for a pneumatic levitation type moving device that moves while supporting, comprising: a supporting member that moves up and down together with the moving device around a lower portion of the moving device; an inner space below the moving device in contact with a floor surface; and a side of the moving device. A seal member for sealing between the support member and the outer space, and following the elevation of the moving device between the support member and the seal member while the lower surface of the seal member is in contact with the floor surface when the support member is raised and lowered. Provide a linear slide portion provided with a slide member to perform, a roller member for guiding the slide member ,
The air sealing device provided around these moving devices must be
An air seal device for a pneumatic levitation type moving device, wherein the air seal device is divided by a portion and a connecting seal member is provided at the divided portion . An air pressure is applied to a space below the moving device, and the entire moving device is lifted from a floor surface by a predetermined amount by sealing with a sealing member provided around the moving device, and a part of the moving device is self-weighted by wheels. An air sealing device for a pneumatic levitation type moving device that moves while supporting, comprising: a supporting member that moves up and down together with the moving device around a lower portion of the moving device; an inner space below the moving device in contact with a floor surface; and a side of the moving device. A seal member for sealing between the support member and the outer space, and following the elevation of the moving device between the support member and the seal member while the lower surface of the seal member is in contact with the floor surface when the support member is raised and lowered. Provide a linear slide portion provided with a slide member to perform, a roller member for guiding the slide member ,
Between the support member and the seal member, the flexible member to seal between the inner space and the outer space of the mobile device the lower surface is provided, the movable FLEXIBLE member from the inner space so as to bulge toward the outer space An air seal device for a pneumatic levitation type moving device, wherein the air seal device is formed. 3. The air seal device for a pneumatic levitation type moving device according to claim 2 , wherein the flexible member is disposed so that the bulging portion bulges downward. 4. The apparatus according to claim 1, wherein the linear slide portion is provided on the outer space side with respect to the support member .
Item 2. An air seal device for a pneumatic levitation type moving device according to item 1 . 5. The sealing member according to claim 1, wherein said sealing member comprises a high hardness sealing material and a low hardness sealing material.
5. The air sealing device for a pneumatic levitation type moving device according to any one of 4 .