JPH05229494A - Airplane maintenance mat - Google Patents

Abstract

PURPOSE:To provide a maintenance mat which has a light weight and a high rigidity, can distribute loads, can extensively cover an airframe or rolling stock, is portable, and does not require a storing space when folded up. CONSTITUTION:Unit honeycomb cores 4 with a lower face which contacts an airframe formed as an opening end as well as an upper face formed as a closed face are provided. A maintenance mat also comprises an intermediate layer which continuously connects the respective closed faces of the unit honeycomb cores and an antislipping-processed layer 7 covering the upper face of the intermediate layer 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to an airplane maintenance mat used when performing repairs.

[0002]

2. Description of the Related Art In general, when inspecting and repairing airplanes and manufacturing and assembling airplanes, the airframe is often made of composite material, and work is performed using an assembly / maintenance hanger composed of pipes and cross plates. Do not work on the upper surface of the aircraft. At this time, an operator may accidentally drop a tool on the machine body and damage the machine body.

When it is necessary to ride on the upper surface of the wing A of the airframe as shown in FIG. 7, the aircraft maintenance mat B is laid so as not to be directly on the airframe. An operator is riding on the mat B to inspect and repair the airplane.

[0004]

However, the conventional aircraft maintenance mat B described above is a heavy rubber product. Therefore, it is very inconvenient to handle and carry, and there is a problem that it is very bulky when folded and wound.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to protect an aircraft by laying it on the aircraft during inspection and repair of the aircraft and assembling the aircraft, and also it is lightweight and has high rigidity. It is an object of the present invention to provide an airplane maintenance mat that can distribute the load, is easy to handle and carry, can be folded compactly, and does not occupy storage space.

[0006]

In order to achieve the above object, the airplane maintenance mat according to the first aspect of the present invention comprises a unit honeycomb core having a lower surface which comes into contact with the body as an open end and an upper surface as a closed surface. It is provided with an intermediate layer that continuously connects the closed surfaces of the unit honeycomb cores, and a non-slip processing layer that is coated on the upper surface of the intermediate layer is provided.

According to the aircraft maintenance mat of the first aspect of the present invention thus constructed, the open end of the unit honeycomb core contacts the surface of the machine body, so that the rigidity is increased and the load can be dispersed and the opening can be achieved. Since the shape of the end has no directionality, the mat is prevented from shifting and the weight is reduced. Moreover, since it is configured to be continuously connected through the intermediate layer, it is convenient to carry and the storage space when folded can be reduced.

The airplane maintenance mat according to the second aspect of the present invention is provided with a unit honeycomb core having a lower surface that comes into contact with the machine body as a closed surface and an upper surface that is an open end, and the open ends of the unit honeycomb cores are closed to form a continuous structure. The intermediate layer connected to the intermediate layer is provided, and the non-slip processing layer coated on the upper surface of the intermediate layer is provided.

According to the aircraft maintenance mat of the second aspect of the invention thus constructed, the closed surface of the lower surface of the unit honeycomb core is adsorbed to the surface of the machine body so that it is not displaced and the rigidity is increased. The load can be distributed and the weight can be reduced. Moreover, since they are continuously connected through the intermediate layer, they are convenient to carry and the storage space when folded can be reduced.

Further, since the above-mentioned mat for airplane maintenance is constructed by imparting conductivity to at least one of the intermediate layer and the non-slip layer, the electrification of the mat can be reduced.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Each embodiment of the airplane maintenance mat of the present invention will be described with reference to the drawings. 1 to 5 show a first embodiment and show an airplane maintenance mat 1. The airplane maintenance mat 1 has a unit honeycomb core 4 whose lower surface, which is in contact with the airframe, is an open end 2 and whose upper surface is a closed surface by a base 3. The unit honeycomb core 4 has, for example, a thickness of 3 to 10 mm and a size of 3 to 20 cm square, and is made of polyurethane, nylon, polyvinyl chloride, olefin thermoplastic elastomer, or the like. That is, the unit honeycomb core 4 is an aggregate of a plurality of honeycomb cores 5, and the unit honeycomb core 4
An edge portion 5a is provided upright on the peripheral edge of the.

On the upper surface of the unit honeycomb core 4, there is provided an intermediate layer 6 which continuously connects the bases 11 of the unit honeycomb cores 4 to each other. The intermediate layer 6 is made of a hot melt film or the like, and may be made of the same material as the unit honeycomb core 4 described above. A coated anti-slip layer 7 is provided on the upper surface of the intermediate layer 6. The anti-slip layer 7 is also made of the same hot melt film as the intermediate layer 6 described above, and may be made of the same material as the unit honeycomb core 4 described above. A mesh 8 impregnated with an adhesive is formed on the upper surface of the anti-slip layer 7.
Are heated and fused by a hot press. Further, instead of the net 8, the surface of the anti-slip layer 7 may be formed in a net shape or a lattice shape. Further, instead of the anti-slip layer 7, a pulverized product of a resin having a sharp corner having a diameter of 3 to 7 mm may be heat-sealed.

Since the method of processing the anti-slip processing layer 7 is not directly related to the essence of the present invention, it is obvious that products having equivalent performance can be constructed by using anti-slip processing that exhibits the same effect. Is.

The mat 1 for airplane maintenance has a rectangular shape of 1 to 3 m as a whole, and as shown in FIG. 5, these mats are connected and fixed by a magic tape 9 or the like. Further, at least one of the intermediate layer 6 and the non-slip layer 7 is provided with conductivity to reduce the charging property.

According to the aircraft maintenance mat of the first aspect of the invention thus constituted, the open end 2 of the unit honeycomb core 4 contacts the surface of the machine body, so that the rigidity becomes high and the machine body is dropped even if a tool is dropped. Can be protected without damage. In addition, the load can be distributed and the opening end 2
Since the shape of the mat has no directionality, the mat does not slip off even on the inclined surface or the curved surface of the machine body, and the weight is significantly reduced. Moreover, since the intermediate layers 6 are continuously connected to each other, the intermediate layers 6 can be folded as folds when folded, and the storage space can be reduced. In addition, since this airplane maintenance mat is provided with conductivity, the chargeability of the machine body is reduced.

Further, since the net 8 or the crushed resin material is heat-sealed to the anti-slip layer 7 on the upper surface of the airplane maintenance mat 1, it is hard to slip when the operator rides and works.
You can work safely even on inclined and curved surfaces of the machine. Next, the airplane maintenance mat of the second invention will be described. The same components as those in the first embodiment described above are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 6, the unit honeycomb core 1
The base 11 has a lower surface that is in contact with the machine body of 0 and is a closed surface, and the upper surface is an open end 12. The intermediate layer 6 is welded to the open end of the upper surface, and the open ends of the unit honeycomb cores 10 are closed and continuously connected. A coated anti-slip layer 7 is provided on the upper surface of the intermediate layer 6. This unit honeycomb core 10
Has a thickness of 3 to 10 mm and a size of 3 to 20 cm, and is made of polyurethane, nylon, polyvinyl chloride, olefinic thermoplastic elastomer, etc., and has excellent adsorption properties. The base 11 sticks to the surface of the machine body.

According to the airplane maintenance mat of the second aspect of the invention thus constructed, the base 11 as the closing surface of the lower surface of the unit honeycomb core 10 is attracted to the surface of the machine body so that it is not displaced, and The rigidity is high, and even if a tool is dropped on the machine body, it can be protected without being damaged. Also, the load can be distributed,
The weight can be reduced. Moreover, since the intermediate layers 6 are continuously connected through the intermediate layers 6, the intermediate layers 6 can be folded as folds when folded, and the storage space can be reduced.

[0019]

Since the present invention is constructed as described above, the aircraft can be protected by laying it on the aircraft during inspection / repair of the aircraft and assembly of the aircraft, and it is lightweight and has high rigidity and load. It is possible to provide an airplane maintenance mat that can be distributed, and can flexibly follow the upper surface of the aircraft, does not move the mat, is convenient to carry, and does not take up storage space when folded.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an airplane maintenance mat according to a first embodiment of the present invention.

FIG. 2A is a partial cross-sectional view of the aircraft maintenance mat of the above embodiment, and FIG. 2B is an enlarged view of a portion X of FIG. 2A.

FIG. 3 is a plan view of the airplane maintenance mat of the embodiment as viewed from below.

FIG. 4 is a plan view of the airplane maintenance mat of the above-mentioned embodiment as viewed from above.

FIG. 5 is a plan view of an airplane in which the mat of the above embodiment is laid.

6A is a partial cross-sectional view of an aircraft maintenance mat showing a second embodiment of the present invention, and FIG. 6B is an enlarged view of a Y portion of FIG. 6A.

FIG. 7 is a view showing a state in which a conventional airplane maintenance mat is used.

[Explanation of symbols]

4 ... Unit honeycomb core, 6 ... Intermediate layer, 7 ... Anti-slip layer.

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] October 30, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Title of Invention] Maintenance mat

[Claims]

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aircraft body or iron.
The present invention relates to a maintenance mat used when inspecting and repairing road vehicles .

[0002]

2. Description of the Related Art In general, when inspecting and repairing airplanes and manufacturing and assembling airplanes, the airframe is often made of composite material, and work is performed using an assembly / maintenance hanger composed of pipes and cross plates. Do not work on the upper surface of the aircraft. At this time, an operator may accidentally drop a tool on the machine body and damage the machine body. In addition, FIG.
When it is necessary to work by riding on the upper surface of the wing A of the aircraft as shown in FIG.
Workers are riding on top of it to inspect and repair the airplane.

Further, in recent railroad vehicles, AL alloy honeycomb is used as a main structural material that also serves as an outer plate and a skeleton.
There is one used. AL alloy honeycomb per weight
Extremely high rigidity and light weight. However,
The outer plate of the is extremely thin, so
There is a high risk that holes will be opened in the outer plate when tools are dropped. this
Therefore, for the inspection and repair of railway cars and the manufacturing and assembly of cars.
In addition, the railroad vehicle maintenance mat is laid on the roof of the vehicle.
Be done.

[0004]

However, the conventional maintenance mat B described above is a heavy rubber product.
Therefore, it is very inconvenient to handle and carry, and there is a problem that it is very bulky when folded and wound.

[0005] The present invention is made in view of the above circumstances, it is an object of the present invention, aircraft or railway cars during the assembly of the inspection, repair and airplane or rail vehicle of the airplane or rail vehicle
By laying on both, it is possible to protect the aircraft or rail vehicle, also Hakare the dispersion of high load rigidity in a lightweight, handling, carry convenient, can be folded into a compact, it does not take up storage space development To provide a mat for use .

[0006]

Means and operation for solving the problems] integer of first invention
備用mat, in order to achieve the above purpose, aircraft or
A unit honeycomb core having an open end on the lower surface that contacts the railway vehicle and a closed surface on the upper surface is provided, and an intermediate layer that continuously connects the closed surfaces of the unit honeycomb cores is provided, and the upper surface of the intermediate layer is covered. This is because the anti-slip processing layer is provided.

For maintenance of the first aspect of the invention configured as described above
According to Matt , the open end of the unit honeycomb core is the airframe.
Alternatively, since it comes into contact with the surface of the railway vehicle , the rigidity is increased, the load can be dispersed, and since the shape of the opening end has no directionality, the mat is prevented from shifting and the weight is reduced. Moreover, since it is configured to be continuously connected through the intermediate layer, it is convenient to carry and the storage space when folded can be reduced.

The maintenance mat of the second invention is a body or
A unit honeycomb core having a lower surface in contact with a railway vehicle as a closed surface and an upper surface as an open end is provided, and an intermediate layer for closing and continuously connecting the open ends of the unit honeycomb cores is provided, and the upper surface of the intermediate layer is provided. It is configured by providing a coated anti-slip layer.

For maintenance of the second invention having such a configuration
According to the mat , the closed surface of the lower surface of the unit honeycomb core is adsorbed to the surface of the machine body or the railroad vehicle , so that the unit honeycomb core is prevented from being displaced, the rigidity is increased, the load is distributed, and the weight is reduced. Moreover, since they are continuously connected through the intermediate layer, they are convenient to carry and the storage space when folded can be reduced.

Further, since the maintenance mat is formed by imparting conductivity to at least one of the intermediate layer and the non-slip layer, the chargeability of the mat can be reduced.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Each embodiment of the maintenance mat of the present invention will be described below with reference to the drawings. 1 to 5 show a first embodiment and show an airplane maintenance mat 1. The airplane maintenance mat 1 has a unit honeycomb core 4 whose lower surface, which is in contact with the airframe, is an open end 2 and whose upper surface is a closed surface by a base 3. This unit honeycomb core 4
Is, for example, 3 to 10 mm thick and 3 to 20 cm square,
The material is polyurethane, nylon, polyvinyl chloride, olefin thermoplastic elastomer, etc. That is, the unit honeycomb core 4 is an aggregate of a plurality of honeycomb cores 5, and an edge portion 5a is provided upright on the peripheral edge of the unit honeycomb core 4.

On the upper surface of the unit honeycomb core 4, there is provided an intermediate layer 6 which continuously connects the bases 11 of the unit honeycomb cores 4 to each other. The intermediate layer 6 is made of a hot melt film or the like, and may be made of the same material as the unit honeycomb core 4 described above. A coated anti-slip layer 7 is provided on the upper surface of the intermediate layer 6. The non-slip layer 7 is also made of the same hot-melt film as the intermediate layer 6 described above, and may be made of the same material as the unit honeycomb core 4 described above. A mesh 8 impregnated with an adhesive is formed on the upper surface of the anti-slip layer 7.
Are heated and fused by a hot press. Further, instead of the net 8, the surface of the anti-slip layer 7 described above may be formed in a net shape or a lattice shape. Further, instead of this anti-slip layer 7, a pulverized product of a resin having an acute angle of 3 to 7 mm in diameter may be heat fused.

Since the method of processing the anti-slip processing layer 7 is not directly related to the essence of the present invention, it is obvious that products having equivalent performance can be constructed by using anti-slip processing that exhibits the same effect. Is.

The mat 1 for airplane maintenance has a rectangular shape of 1 to 3 m as a whole, and as shown in FIG. 5, these mats are connected and fixed by a magic tape 9 or the like. Further, at least one of the intermediate layer 6 and the non-slip layer 7 is provided with conductivity to reduce the charging property.

For maintenance of the first invention having the above-mentioned structure
According to the mat , the open end 2 of the unit honeycomb core 4 contacts the surface of the machine body, so that the rigidity is increased and the machine body can be protected without being damaged even if a tool or the like is dropped. Further, since the load can be distributed and the shape of the opening end 2 has no directivity, the mat does not slip off even on the inclined surface or the curved surface of the machine body, and the weight is significantly reduced. Moreover, since the intermediate layers 6 are continuously connected through the intermediate layers 6, the intermediate layers 6 can be folded as folds when folded, and the storage space can be reduced. Moreover, this airplane maintenance mat 1
Since the conductivity is imparted, the chargeability of the machine body is reduced.

Further, since the net 8 or the crushed resin material is heat-sealed to the anti-slip layer 7 on the upper surface of the airplane maintenance mat 1, it is hard to slip when the operator rides and works.
You can work safely even on inclined and curved surfaces of the machine. Next, the maintenance mat of the second invention will be described. The same components as those in the first embodiment described above are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 6, the unit honeycomb core 1
The base 11 has a lower surface that is in contact with the machine body of 0 and is a closed surface, and the upper surface is an open end 12. The intermediate layer 6 is welded to the open end of the upper surface, and the open ends of the unit honeycomb cores 10 are closed and continuously connected. A coated anti-slip layer 7 is provided on the upper surface of the intermediate layer 6. This unit honeycomb core 10
Has a thickness of 3 to 10 mm and a size of 3 to 20 cm, and is made of polyurethane, nylon, polyvinyl chloride, olefinic thermoplastic elastomer, etc., and has excellent adsorption properties. The base 11 sticks to the surface of the machine body.

For maintenance of the second invention having the above-mentioned structure
According to the mat , the base 11 serving as the closing surface of the lower surface of the unit honeycomb core 10 is attracted to the surface of the machine body so that it is not displaced and the rigidity is high, and the tool body is damaged even if a tool is dropped on the machine body. Can be protected without. In addition, the load can be dispersed and the weight can be reduced. Moreover, since the intermediate layers 6 are continuously connected through the intermediate layers 6, the intermediate layers 6 can be folded as folds when folded, and the storage space can be reduced.

Incidentally, in the above-mentioned first and second embodiments,
The aircraft maintenance mat 1 is laid on the aircraft fuselage.
However, even if it is laid on the roof of the railway car,
The same operation and effect as those of the second embodiment can be obtained.

[0020]

According to the present invention, since was constructed as described above, Fei
Inspection and repair of line or rail vehicles and airplanes or railways
By laying on the machine or railway vehicle when assembling the vehicle , the machine or railway vehicle can be protected, and
Light weight, high rigidity, load distribution, airframe or railway
Flexible along the upper surface of the vehicle , the mat will not shift,
It is convenient to carry and does not take up storage space when folded,
A maintenance mat can be provided.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a maintenance mat according to a first embodiment of the present invention.

FIG. 2A is a partial cross-sectional view of the maintenance mat of the above embodiment, and FIG. 2B is an enlarged view of an X portion of FIG.

FIG. 3 is a plan view of the maintenance mat of the above-mentioned embodiment as viewed from below.

FIG. 4 is a plan view of the maintenance mat of the above-mentioned embodiment as viewed from above.

FIG. 5 is a plan view of an airplane in which the mat of the above embodiment is laid.

FIG. 6A is a partial sectional view of a maintenance mat showing a second embodiment of the present invention, and FIG. 6B is an enlarged view of a Y portion of FIG. 6A.

FIG. 7 is a diagram showing a conventional maintenance mat in use.

[Explanation of Codes] 4 ... Unit honeycomb core, 6 ... Intermediate layer, 7 ... Anti-slip layer.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hisatoshi Tsuchida 799 Mitori Otawara, Tochigi Prefecture Sakura Gotatsu Co., Ltd.

Claims (3)

[Claims] 1. A unit honeycomb core having a lower surface in contact with the airframe as an open end and an upper surface as a closed surface, and an intermediate layer for continuously connecting closed surfaces of the unit honeycomb cores to each other.
An aircraft maintenance mat comprising an anti-slip layer coated on the upper surface of the intermediate layer. 2. A unit honeycomb core having a lower surface that contacts the airframe as a closed surface and an upper surface that is an open end, an intermediate layer that closes and continuously connects the open ends of the unit honeycomb cores, and the intermediate layer An aircraft maintenance mat comprising an anti-slip layer coated on the upper surface. 3. At least one of the intermediate layer and the non-slip layer is provided with conductivity.
Alternatively, the airplane maintenance mat according to claim 2.