KR101674191B1 - Air cushion moving device with duplex air tube - Google Patents

Air cushion moving device with duplex air tube Download PDF

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Publication number
KR101674191B1
KR101674191B1 KR1020150181935A KR20150181935A KR101674191B1 KR 101674191 B1 KR101674191 B1 KR 101674191B1 KR 1020150181935 A KR1020150181935 A KR 1020150181935A KR 20150181935 A KR20150181935 A KR 20150181935A KR 101674191 B1 KR101674191 B1 KR 101674191B1
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KR
South Korea
Prior art keywords
air
diaphragm
tube
base plate
compressed air
Prior art date
Application number
KR1020150181935A
Other languages
Korean (ko)
Inventor
김병인
박희창
윤동원
이성휘
정현목
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한국기계연구원
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Priority to KR1020150181935A priority Critical patent/KR101674191B1/en
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Publication of KR101674191B1 publication Critical patent/KR101674191B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G7/00—Devices for assisting manual moving or tilting heavy loads
    • B65G7/02—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads
    • B65G7/06—Devices adapted to be interposed between loads and the ground or floor, e.g. crowbars with means for assisting conveyance of loads using fluid at high pressure supplied from an independent source to provide a cushion between load and ground
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0214—Articles of special size, shape or weigh
    • B65G2201/0223—Heavy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2812/00—Indexing codes relating to the kind or type of conveyors
    • B65G2812/99—Conveyor systems not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2813/00—Indexing codes relating to transport for special purposes
    • B65G2813/02—Devices without motors and bearing wheels for moving or tilting heavy loads
    • B65G2813/023—Load-carriers

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  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

The present invention relates to an apparatus for a transporting air cushion with a multi-layer tube, which stably maintains expansion state of a multi-layer air tube and separates the multi-layer air tube from a ground surface with high levitation force. The apparatus for transporting air cushion with a multi-layer tube which transports freight comprises: a base plate in a flat-plate shape to put freight thereon; an expansion tube affixed to a lower part of the base plate in a ring shape to be expanded by compressed air; a diaphragm affixed to the base plate while surrounding the expansion tube to form a reserve space in a central area surrounded by the expansion tube; and an air supply unit. The air supply unit comprises: an air supply line having compressed air supplied therethrough; a first discharge hole discharging the compressed air supplied through the air supply line to the inside of the expansion tube; and a second discharge hole discharging the compressed air supplied through the air supply line to a central area surrounded by the diaphragm.

Description

TECHNICAL FIELD [0001] The present invention relates to an air cushion transfer device having a double-layer air tube,

The present invention relates to an air cushion transferring apparatus having a multi-layer air tube, more specifically, to a multi-layer air tube capable of stably maintaining the inflated state of the multi-layer air tube and capable of separating the multi- To an air cushion transferring apparatus.

Air cushion is a device that lifts a heavy object by using high-pressure air. Air is usually sprayed toward the floor to form an air film layer between the lower surface of the device and the ground, thereby reducing friction with the ground. It facilitates transportation of objects. Such an air cushion may also be referred to as an air-bearing, an air-caster or an air-floater.

With reference to Korean Registered Utility Model No. 20-0423164 (" Air Carrier for High Load Transport Using Compressed Air ") relating to the conventional air cushion, the air caster is made of a rubber material and formed into a ring shape having a hollow portion, A support plate in the form of a disk integrally joined to the upper surface of the tube, and an auxiliary block formed in the shape of a cylindrical block at the center of the support plate and formed in a shape penetrating the hollow portion of the tube, When the compressed air injected from the air inlet is applied, the tube expands and the compressed air is discharged to the micropores and floated from the ground.

However, in the conventional air cushion, micro-pores for discharging air are formed in a ring-shaped tube, and thus the size of the micro-pores gradually expands when used for a long time. In addition, There is a problem that the air discharge amount to the air inflow amount gradually increases and the expansion of the tube is not smooth, resulting in deterioration of performance and service life.

Korea Registered Utility Model No. 20-0423164 (2006.08.03 Announcement, design name: Air-caster for heavy-duty transport using compressed air)

SUMMARY OF THE INVENTION An object of the present invention is to solve the conventional problems and to provide an air cushion transferring apparatus having a double-layer air tube capable of stably maintaining the inflated state of the double-layer air tube and separating the double- .

According to a preferred embodiment of the present invention, there is provided an air cushion transfer device having a double-layer air tube according to the present invention. The air cushion transfer device includes: A base plate formed into a shape; An expansion tube fixed to the lower portion of the base plate in a ring shape so as to be inflated by compressed air; A diaphragm fixed to the base plate while surrounding the expansion tube so as to form a clearance space in a central region surrounded by the expansion tube; A first discharge port for discharging the compressed air supplied from the supply line to the inside of the expansion tube, and a second discharge port for discharging the compressed air supplied from the supply line to the center of the diaphragm Wherein the compressed air discharged through the first discharge port expands the expansion tube to separate the base plate from the ground surface, and the second discharge port The compressed air to be discharged is supplied to a central region surrounded by the diaphragm to separate the diaphragm from the ground.

Here, the base plate may include: a base plate to which the expansion tube and the diaphragm are fixed; And a pipe plate laminated and fixed to the base plate so that the air supply unit is installed.

The air cushion transferring apparatus having the air-cushion air tube according to the present invention is characterized in that, in the expansion state of the expansion tube, the expansion tube and the diaphragm are respectively provided at portions where the expansion tube and the diaphragm are in contact with the base plate, And a ring sheet to fix the ring sheet.

In the air cushion transfer device having the double-layer air tube according to the present invention, the clearance space is expanded according to the expansion of the expansion tube, and the compressed air discharged from the second discharge port corresponding to a predetermined slope formed by the diaphragm And guiding the air guide surface to a predetermined inclined surface.

Here, the air guide may include: an engaging portion fixed to the base plate; A buffer unit extending from the coupling unit to form a buffer space in which the compressed air discharged from the second discharge port is stored; And a guide inclined portion extending obliquely in the buffer portion to be spaced apart from a predetermined inclined surface corresponding to a predetermined inclined surface.

The air guide may further include a discharge portion extending from the guide inclined portion to adjust a discharge amount of the compressed air discharged between the diaphragm and the guide inclined portion.

The air guide may further include a resilient elastic member coupled to the guide slope to adjust the output of the compressed air discharged between the diaphragm and the guide slope.

The air cushion transfer device having the air-cushioned air tube according to the present invention further includes a support portion provided at a lower portion of the base plate such that the expansion tube in the contracted state and the diaphragm are spaced apart from the ground.

According to the air cushion transferring apparatus having the multi-layer air tube according to the present invention, the inflated state of the double-layer air tube can be stably maintained and the double-layer air tube can be separated from the ground with high levitation force.

Further, the present invention can prevent the expansion tube from being broken by external conditions, and can safely protect the expansion tube.

In addition, the present invention can maintain the shape of a half torus by the diaphragm and solve the unbalanced discharge of the compressed air discharged to the outside from the central region surrounded by the diaphragm.

Further, the present invention reinforces the strength of the base plate to prevent the base plate from being warped or sagged by cargo, protects the supply line, and prevents leakage of the compressed air from the supply line.

Further, the present invention can stably fix the expansion tube and the diaphragm to the base plate, simplify expansion or reduction of the clearance space, and prevent foreign matter from flowing into the clearance space.

In addition, the present invention can control the compressed air supplied to the expansion tube, stabilize the shape of the expansion tube by maintaining the expansion state of the expansion tube, and adjust the gap between the ground and the diaphragm according to the load of the cargo.

According to the present invention, the air film layer is uniformly formed on the outer circumferential surface of the diaphragm according to the half torus shape of the diaphragm, and the compressed air discharged to the central region surrounded by the diaphragm is concentrated between the paper surface and the diaphragm, The formation of the layer can be facilitated.

Further, according to the present invention, the compressed air discharged from the second discharge port can be uniformly discharged between the diaphragm and the guide inclined portion, and the half torus shape due to the diaphragm can be prevented from being deformed.

Further, the present invention can increase the output of the compressed air discharged between the diaphragm and the guide inclined portion, improve the continuity of the air film layer on the outer peripheral surface of the diaphragm, and maintain the spacing between the ground and the diaphragm.

Further, the present invention narrows the gap between the diaphragm and the guide inclined portion to induce the role of the orifice so that the compressed air can be constantly discharged in the circumferential direction of the diaphragm.

Further, the present invention can prevent the expansion tube and the diaphragm from touching the ground in a contracted state, and protect the expansion tube and the diaphragm in accordance with the movement in the contracted state.

1 is a bottom perspective view showing an air cushion transferring apparatus having a multi-layer air tube according to an embodiment of the present invention.
2 is an exploded perspective view showing an air cushion transferring apparatus having a multi-layer air tube according to an embodiment of the present invention.
3 is a view showing a first installation state of an air supply unit in an air cushion transfer device having a multi-layer air tube according to an embodiment of the present invention.
4 is a view showing a second installation state of an air supply unit in an air cushion transfer device having a multi-layer air tube according to an embodiment of the present invention.
5 is a cross-sectional view illustrating a state of engagement of an air cushion transfer device having a multi-layer air tube according to an embodiment of the present invention.
6 is an enlarged cross-sectional view showing a supply state of compressed air in an air cushion transferring apparatus having a multi-layer air tube according to an embodiment of the present invention.
7 is a cross-sectional view illustrating an air guide to be added in an air cushion transferring apparatus having a multi-layer air tube according to an embodiment of the present invention.
FIG. 8 is an enlarged cross-sectional view showing a state of supplying compressed air by an air guide, which is added in an air cushion transferring apparatus having a multi-layer air tube according to an embodiment of the present invention.

Hereinafter, an embodiment of an air cushion transferring apparatus having a multi-layer air tube according to the present invention will be described with reference to the accompanying drawings. Here, the present invention is not limited or limited by the examples. Further, in describing the present invention, a detailed description of well-known functions or constructions may be omitted for clarity of the present invention.

FIG. 1 is a bottom perspective view showing an air cushion transferring apparatus having a double-layer air tube according to an embodiment of the present invention, and FIG. 2 is a view showing an air cushion transferring apparatus having a double- 3 is a view illustrating a first installation state of an air supply unit in an air cushion transfer device having a multi-layer air tube according to an embodiment of the present invention. FIG. 4 is a cross- FIG. 5 is a cross-sectional view illustrating an assembled state of an air cushion transferring apparatus having a multi-layer air tube according to an embodiment of the present invention, and FIG. FIG. 6 is an enlarged cross-sectional view showing a supply state of compressed air in an air cushion transferring apparatus having a multi-layer air tube according to an embodiment of the present invention, and FIG. FIG. 8 is a cross-sectional view of an air cushion transferring apparatus having a double-layer air tube according to an example of the present invention. FIG. 8 is a cross- Fig. 3 is an enlarged cross-sectional view showing the supply state of compressed air.

Referring to FIGS. 1 to 8, an air cushion transferring apparatus having a double-layer air tube according to an embodiment of the present invention carries a cargo placed thereon. An air cushion transfer device having a multi-layer air tube according to an embodiment of the present invention includes a base plate (10), a multi-layer air tube, and an air supply part (30).

The base plate 10 is in the form of a flat plate, and the cargo is placed on the top. The base plate 10 can be divided into a base plate 11 and a pipe plate 12.

The base plate (11) is fixed to the double-layer air tube. More specifically, the base plate 11 is fixed to the inflation tube 40, which will be described later, and the diaphragm 50, which will be described later. At this time, a first exhaust port 13 and a second exhaust port 14 are formed in the base plate 11, respectively. The first exhaust port (13) communicates with a first discharge port (32) to be described later so as to discharge the compressed air into the inside of the expansion tube (40). The second exhaust port 14 communicates with a second discharge port 33 to be described later so as to discharge the compressed air only in a central region surrounded by the double-layer air tube.

 The pipe plate 12 is stacked and fixed on the base plate 11, and the cargo is placed on the top. The pipe plate 12 is provided with the air supply unit 30. The pipe plate 12 can stably fix the air supply part 30 and prevent it from being deformed by the cargo placed on the upper part.

The double-layer air tube is a double membrane structure composed of an inner membrane and an outer membrane that surrounds the inner membrane, and expands as the compressed air is filled. Here, the mounting position of the multi-layer air tube is not limited, and the mounting position of the multi-layer air tube can be adjusted through various forms.

Here, the inner film is expanded as the compressed air is supplied, and the clearance space 51 is formed between the inner film and the outer film in accordance with the expansion of the inner film. At this time, in accordance with the expansion of the inner film, the outer film is fixed to the base plate 10 while being circumscribed from the outer peripheral face of the inner film to form a predetermined inclined face.

The multi-layer air tube includes an expansion tube (40) and a diaphragm (50).

The expansion tube (40) is fixed in the form of a ring on the lower part of the base plate (10) so as to be inflated by the compressed air. At this time, the first exhaust port (13) is communicated with the first discharge port (32) to supply the compressed air into the expansion tube (40), and the expansion tube (40) So that it expands in the form of a torus. The compressed air supplied to the expansion tube (40) is not discharged separately, but only to the expansion of the expansion tube (40).

The diaphragm (50) is fixed to the base plate (10) while the expansion tube (40) is wrapped around the diaphragm (50). The diaphragm (50) forms the clearance space (51) with a central region surrounded by the expansion tube (40). The diaphragm 50 is expanded in accordance with the expansion of the expansion tube 40 to form a half torus shape. When the diaphragm 50 maintains a half torus shape in accordance with the expansion of the expansion tube 40, the diaphragm 50 is supported on the ground and the base plate 10 and the below- (20) is spaced from the ground. At this time, a second discharge port 33, which will be described later, is communicated with the second discharge port 14 in the vicinity of the end of the diaphragm 50 in the central region surrounded by the diaphragm 50 to discharge the compressed air.

 The diaphragm 50 is deformed along with the expansion of the expansion tube 40 so as to extend from the outer circumferential surface of the expansion tube 40 toward the second exhaust port 14 through which the second discharge port 33 . Here, the predetermined inclined surface is formed in a planar shape, thereby facilitating the formation of the air film layer between the paper surface and the diaphragm 50.

The diaphragm 50 surrounds the inflation tube 40 so that the inflation tube 40 does not exceed a predetermined cross sectional area and protects the inflation tube 40 in accordance with external conditions so that the inflation tube 40 is damaged Can be prevented.

The air supply unit 30 supplies the compressed air to the central region surrounded by the inside of the expansion tube 40 and the diaphragm 50. The air supply unit 30 includes a supply line 31 to which the compressed air is supplied and a first discharge port 32 for discharging the compressed air supplied from the supply line 31 to the inside of the expansion tube 40, And a second discharge port (33) for discharging the compressed air supplied from the supply line (31) to a central region surrounded by the diaphragm (50). The first discharge port 32 communicates with the first discharge port 13 to discharge the compressed air into the expansion tube 40 and the second discharge port 33 is connected to the second discharge port 14 So that the compressed air can be discharged to the central region surrounded by the diaphragm 50. [

As a result, the compressed air discharged through the first discharge port 32 expands the expansion tube 40 to separate the base plate 10 and the receiving unit 20, which will be described later, from the ground, The compressed air discharged through the diaphragm 33 is supplied to a central region surrounded by the diaphragm 50 to separate the diaphragm 50 from the ground.

Here, the air supply unit 30 may further include an air generating unit 34 for generating the compressed air.

The air supply unit 30 may select whether the compressed air is discharged from the first discharge port 32 and the second discharge port 33 or adjust the discharge amount of the compressed air.

For example, the air supply unit 30 may further include a first valve 35 and a second valve 36.

The first valve 35 selects whether to discharge the compressed air discharged from the first discharge port 32 or adjusts the discharged amount of the compressed air discharged from the first discharge port 32. The discharge amount of the compressed air supplied to the expansion tube 40 can be adjusted according to the operation of the first valve 35 and the expansion state of the expansion tube 40 can be maintained constant.

The second valve 36 selects whether to discharge the compressed air discharged from the second discharge port 33 or adjusts the discharged amount of the compressed air discharged from the second discharge port 33. The discharge amount of the compressed air discharged from the second discharge port 33 is adjusted according to the operation of the second valve 36 to control the gap between the ground and the diaphragm 50 So that a stable air film layer can be maintained.

At this time, the supply line 31 is extended from the air generating part 34 and branched from one supply line 31, so that the first discharge port 32 and the second discharge port 33 And the first valve 35 and the second valve 36 may be respectively installed on the respective branch lines.

As another example, the air supply unit 30 may further include an air distribution unit 37. The air distribution unit 37 selects whether or not the compressed air is discharged from at least one of the first discharge port 32 and the second discharge port 33 or the first discharge port 32 and the second discharge port 33 33, respectively, of the compressed air.

At this time, the air distribution unit 37 is connected to the air generating unit 34, and a plurality of the supply lines 31 are provided corresponding to the first discharge port 32 and the second discharge port 33 , And the first discharge port (32) and the second discharge port (33) may be provided at the end of the supply line (31), respectively.

Although not shown, the air supply unit 30 is provided with a flow rate sensor (not shown) to detect the discharge amount of the compressed air discharged from at least one of the first discharge port 32 and the second discharge port 33 And controls the expansion or contraction state of the expansion tube (40) by controlling at least one of the first valve (35) and the second valve (36) or by controlling the air distribution section (37) It is possible to adjust the state in which the first electrode 50 is spaced from the ground. The air supply unit 30 is provided with a sensing sensor (not shown) that senses a state where the diaphragm 50 is spaced from the ground or senses an interval between the base plate 10 and the ground, The expansion or contraction of the expansion tube 40 may be controlled by controlling at least one of the valve 35 and the second valve 36 or by controlling the air distribution unit 37, You can control the spacing from the ground.

The air cushion transfer device having the double-layer air tube according to an embodiment of the present invention may further include the support portion 20. [ The receiving portion 20 is provided at a lower portion of the base plate 10 so that the double-layer air tube in a contracted state is spaced from the ground. In other words, the receiving portion 20 is provided at a lower portion of the base plate 10 so that the diaphragm 50 and the expansion tube 40 in a contracted state are spaced apart from the ground. The receiving portion 20 prevents the double-layer air tube in a contracted state from touching the ground, and can protect the double-layer air tube even in a contracted state.

The air cushion transferring apparatus having the double-layer air tube according to an embodiment of the present invention may further include a ring sheet 60.

The ring sheet (60) is provided at a portion where the multi-layer air tube is in contact with the base plate (10) in an expanded state of the multi-layer air tube. The ring sheet (60) fixes the multi-layer air tube to the base plate (10). The ring sheet 60 is provided at a portion where the expansion tube 40 and the diaphragm 50 are in contact with the base plate 10 in the expanded state of the expansion tube 40, respectively. The ring sheet (60) fixes the expansion tube (40) and the diaphragm (50) to the base plate (10).

Particularly, the ring sheet 60 fixes the inflation tube 40 to the base plate 10 so that the inside of the first exhaust port 13 and the inside of the inflation tube 40 can be stably communicated, Can be prevented from leaking from the first exhaust port (13). The ring sheet 60 fixes the diaphragm 50 near the second exhaust port 14 and stably expands the clearance space 51 in accordance with the expansion of the expansion tube 40, So that the diaphragm 50 forms a predetermined inclined surface.

The air cushion transfer device having the multi-layer air tube according to an embodiment of the present invention may further include an air guide 70.

The air guide 70 is extended from the second discharge port 33 in correspondence with a predetermined inclined surface formed by the diaphragm 50 while the clearance space 51 is expanded according to the expansion of the expansion tube 40, To the predetermined inclined plane.

The air guide 70 includes a coupling portion 71, a buffer portion 72, and a guide inclined portion 73.

The engaging portion 71 is fixed to the base plate 10. The coupling portion 71 is formed in a ring shape and is coupled to the lower portion of the base plate 10.

The buffer portion 72 extends from the coupling portion 71. The buffer unit 72 forms a buffer space 72a in which the compressed air is stored so that the compressed air discharged from the second exhaust port 14 is stored in the buffer space 72a. In other words, the buffer portion 72 extends in the coupling portion 71 to form a buffer space 72a in which the compressed air discharged from the second discharge port 33 is stored. The buffer portion 72 may extend from the coupling portion 71 to be spaced apart from the base plate 10 to form the buffer space 72a.

The guide inclined portion 73 extends obliquely in the buffer portion 72 so as to be spaced apart from a predetermined inclined surface corresponding to a predetermined inclined surface. The inclination of the guide inclined portion 73 may be substantially the same as the inclination of the predetermined inclined surface. The guide inclined portion 73 allows the compressed air stored in the buffer space 72a to be discharged between the diaphragm 50 and the guide inclined portion 73 to facilitate the formation of the air film layer.

The air guide 70 may be divided into a fixing plate portion 70a for forming an outer shape and a finishing plate portion 70b for covering and protecting the fixing plate portion 70a.

The air guide 70 may further include at least one of a discharge portion 74 and a regulating elastic portion 75.

The discharge portion (74) extends from the guide inclined portion (73). The discharge portion 74 can regulate the output of the compressed air discharged between the diaphragm 50 and the guide slope portion 73. The discharge portion 74 may be inclined toward the diaphragm at the end of the guide inclined portion 73. The discharge portion 74 can regulate the output of the compressed air by stably discharging the compressed air discharged between the diaphragm 50 and the guide inclined portion 73 in a stable manner.

The adjusting elastic portion 75 is made of an elastic material and is coupled to the guide slanting portion 73 or the discharging portion 74. The adjusting elastic portion 75 can adjust the output of the compressed air discharged between the diaphragm 50 and the guide slope portion 73. When the double-layer air tube is inflated, the adjusting elastic portion 75 is brought into close contact with the diaphragm 50 in a bent state. When the soil output of the compressed air becomes larger than the reference soil output, The compressed air can be dispersed and discharged as it is elastically deformed and separated from the diaphragm 50.

The discharge part 74 or the regulating elastic part 75 induces a role of an orifice by narrowing the interval between the diaphragm 50 and the guide slope part 73 and enhances the flow rate of the compressed air, So that the compressed air can be controlled.

In the air cushion transferring apparatus having the double-layer air tube according to the embodiment of the present invention, the operation of the air cushion transfer device including both the discharge portion 74 and the regulating elastic portion 75 will be described. The cargo is placed on the base plate 10 and the compressed air is supplied to the expansion tube 40 through the supply line 31 and the first discharge port 32. The expansion tube 40 is inflated to separate the base plate 10 and the receiving unit 20 from the ground. At this time, the expansion state of the expansion tube (40) can be maintained according to the operation of the first valve (35) or the air distribution part (37).

The compressed air is supplied to the central region surrounded by the diaphragm (50) through the supply line (31) and the second discharge port (33). The compressed air supplied to the central region surrounded by the diaphragm 50 is discharged into the space between the diaphragm 50 and the ground to form an air film layer so that the diaphragm 50 can be separated from the ground. At this time, the gap between the ground and the diaphragm 50 can be adjusted according to the operation of the second valve 36 or the air distributor 37.

The compressed air discharged through the second discharge port 33 in the expanded state of the expansion tube 40 is stored in the buffer space 72a and the diaphragm 50 and the guide inclined portion 73 And an air film layer (not shown) is interposed between the diaphragm 50 and the discharge portion 74 or between the diaphragm 50 and the regulating elastic portion 75, May be directly supplied in a state of being formed. Then, the diaphragm 50 can easily be separated from the paper surface by the jetting force of the compressed air and the pressure in the central region surrounded by the diaphragm 50.

According to the air cushion having the above-described double-layer air tube, the inflated state of the double-layer air tube can be stably maintained and the double-layer air tube can be separated from the ground with a high levitation force. Further, it is possible to prevent the expansion tube (40) from being broken by external conditions, and to safely protect the expansion tube (40). In addition, the diaphragm 50 maintains a half torus shape and can relieve the unbalanced discharge of the compressed air discharged from the central region surrounded by the diaphragm 50 to the outside.

It is also possible to reinforce the strength of the base plate 10 to prevent warping or sagging of the base plate 10 and to protect the supply line 31, Can be prevented from leaking.

The expansion tube 40 and the diaphragm 50 are stably fixed to the base plate 10 so that the expansion or contraction of the clearance space 51 is simplified. Can be prevented.

In addition, it is possible to adjust the compressed air supplied to the expansion tube (40), stabilize the shape of the expansion tube (40) by maintaining the expansion state of the expansion tube (40) The spacing of the diaphragm 50 can be adjusted.

The air film layer is uniformly formed on the outer circumferential surface of the diaphragm 50 in accordance with the shape of a half torus of the diaphragm 50. The air film layer is uniformly formed on the outer circumferential surface of the diaphragm 50, Air can be concentrated between the paper surface and the diaphragm 50 to facilitate the formation of the air film layer. The compressed air discharged from the second discharge port 33 is uniformly discharged between the diaphragm 50 and the guide slant part 73 and the half torus shape of the diaphragm 50 Can be prevented from being deformed. Further, it is possible to increase the output of the compressed air discharged between the diaphragm 50 and the guide inclined portion 73, improve the continuity of the air film layer on the outer peripheral surface of the diaphragm, The spacing state can be maintained. In addition, the interval between the diaphragm 50 and the guide slope portion 73 may be narrowed to induce the orifice to discharge the compressed air uniformly in the circumferential direction of the diaphragm 50.

It is also possible to prevent the inflation tube 40 and the diaphragm 50 from touching the ground in a contracted state and protect the inflation tube 40 and the diaphragm 50 in accordance with the movement in the contracted state.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Modify or modify the Software.

10: base plate 11: base plate 12: piping plate
13: first exhaust port 14: second exhaust port 20:
30: air supply unit 31: supply line 32: first discharge port
33: second discharge port 34: air generating part 35: first valve
36: second valve 37: air distribution part 40: expansion tube
50: diaphragm 51: free space 60: ring sheet
70: air guide 71: engaging portion 72: buffer portion
72a: buffer space 73: guide inclined portion 74:
75: Adjustable elastic portion 70a: Fixed plate portion 70b: Finishing plate portion

Claims (8)

An air cushion transfer device for transferring cargo,
A base plate formed in a flat plate shape so that the cargo is placed on the upper portion;
An expansion tube fixed to the lower portion of the base plate in a ring shape so as to be inflated by compressed air;
A diaphragm fixed to the base plate while surrounding the expansion tube so as to form a clearance space in a central region surrounded by the expansion tube; And
A first discharge port for discharging the compressed air supplied from the supply line to the inside of the expansion tube, and a second discharge port for discharging the compressed air supplied from the supply line to a central region surrounded by the diaphragm And an air supply unit including a second discharge port for discharging the air,
The compressed air discharged through the first discharge port expands the expansion tube to separate the base plate from the ground and the compressed air discharged through the second discharge port is supplied to a central region surrounded by the diaphragm The diaphragm is separated from the diaphragm,
And an air guide for guiding the compressed air discharged from the second discharge port to a predetermined inclined surface corresponding to a predetermined inclined surface formed by the diaphragm while expanding the clearance space according to the expansion of the expansion tube Wherein the air-cushion conveying device has a double-layer air tube. The method according to claim 1,
In the base plate,
A base plate to which the expansion tube and the diaphragm are fixed; And
And a pipe plate laminated and fixed to the base plate so as to install the air supply unit. 3. The method according to claim 1 or 2,
And a ring sheet provided at a portion where the expansion tube and the diaphragm are in contact with the base plate in an expanded state of the expansion tube to fix the expansion tube and the diaphragm to the base plate, Air cushion transfer device with air tube. delete The method according to claim 1,
The air-
An engaging portion fixed to the base plate;
A buffer unit extending from the coupling unit to form a buffer space in which the compressed air discharged from the second discharge port is stored; And
And a guide inclined portion extending obliquely in the buffer portion so as to be spaced apart from a predetermined inclined surface corresponding to a predetermined inclined surface. 6. The method of claim 5,
The air-
Further comprising: a discharge portion extending from the guide inclined portion to adjust the output of the compressed air discharged between the diaphragm and the guide inclined portion. 6. The method of claim 5,
The air-
And an adjusting elastic part of an elastic material coupled to the guide inclined part to adjust the output of the compressed air discharged between the diaphragm and the guide inclined part. Device. 3. The method according to claim 1 or 2,
Further comprising a support portion provided at a lower portion of the base plate such that the expansion tube in the contracted state and the diaphragm are spaced apart from the ground surface.
KR1020150181935A 2015-12-18 2015-12-18 Air cushion moving device with duplex air tube KR101674191B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107986023A (en) * 2017-12-11 2018-05-04 合肥挺泰环保科技有限公司 A kind of air cushion handling device
KR102411127B1 (en) * 2022-03-04 2022-06-22 최원호 Conveyor apparatus for transferring raw materials

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1263770A (en) * 1968-09-30 1972-02-16 Aero Go Inc Improvements in or relating to fluid cushion load-supporting devices
GB2027655A (en) * 1978-08-12 1980-02-27 Air Cushion Equip Skirt construction for an air- cushion vehicle
JP2882576B2 (en) * 1996-10-18 1999-04-12 防衛庁技術研究本部長 Floating moving body dustproof device
KR200423164Y1 (en) 2006-05-12 2006-08-03 (주)트리엔 The transfer air caster using of compressed air for heavy weight
KR20110019547A (en) * 2009-08-20 2011-02-28 (주)태현메가텍 Air-bearing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1263770A (en) * 1968-09-30 1972-02-16 Aero Go Inc Improvements in or relating to fluid cushion load-supporting devices
GB2027655A (en) * 1978-08-12 1980-02-27 Air Cushion Equip Skirt construction for an air- cushion vehicle
JP2882576B2 (en) * 1996-10-18 1999-04-12 防衛庁技術研究本部長 Floating moving body dustproof device
KR200423164Y1 (en) 2006-05-12 2006-08-03 (주)트리엔 The transfer air caster using of compressed air for heavy weight
KR20110019547A (en) * 2009-08-20 2011-02-28 (주)태현메가텍 Air-bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107986023A (en) * 2017-12-11 2018-05-04 合肥挺泰环保科技有限公司 A kind of air cushion handling device
KR102411127B1 (en) * 2022-03-04 2022-06-22 최원호 Conveyor apparatus for transferring raw materials

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