JP2772964B2 - Shock absorber for moving box-like structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a transportation box-like structure such as a mobile shelter, a container, etc., which is transported via a transportation means, from a transportation means to a basement at a destination. The present invention relates to a shock absorbing device for a moving box-shaped structure for reducing or absorbing a buffer load applied to the moving box-shaped structure at the time of lowering and protecting devices, luggage, etc. loaded therein.

[Background Art] [Problems to be Solved by the Invention] Moving box-like structures such as moving shelters and containers (hereinafter simply referred to as “moving shelters and the like”) are generally transported by vehicles such as trucks. Transported to destination. However, even if the destination is very difficult to transport by vehicle, such as a mountainous remote place, or a place where transportation of vehicles is possible without difficulty, it may take a long time depending on the transportation of vehicles. However, when the transportation is extremely urgent or the like, suspension transportation is performed using a helicopter.

In the case of suspended transportation by helicopter, when lowering the suspended mobile shelter etc. to the ground at the destination,
Usually, since the operation of extending the suspension wire is performed very slowly, when the equipment and luggage loaded therein are ordinary, there is almost no damage, for example, high-precision electronic equipment, In the case of traffic signals and moving shelters loaded with signal equipment, etc., when an impact load exceeding the allowable G value of the loaded equipment is applied to the moving shelters, etc. When transporting such a mobile shelter or the like by a helicopter, buffer legs equipped with oleo mechanisms at the lower four corners of the mobile shelter or the like are attached to prevent the occurrence of an accident because there is a concern that the equipment may be damaged.

However, the following problems have been pointed out in the case where such shock absorbing legs prevent damage to devices and the like loaded in the moving shelter and the like.

First, when the destination is flat and the shelter or the like moves down vertically, the oleo mechanism works completely and the shock load applied to the shock absorbing leg when touching the ground is completely absorbed by the shock absorbing leg. However, if the destination is uneven or inclined, etc., even if the condition is within the allowable range where the moving shelter etc. can be lowered, the instantaneous shock-absorbing leg that touches the ground, for example, in an oblique direction Etc., an impact load may be applied. In such a case, the shock absorbing legs sometimes do not function sufficiently, and the equipment may be damaged, or the shock absorbing legs may be damaged.

Second, despite the fact that such shock-absorbing legs are used very rarely, they need to be constantly inspected and maintained because of the hydraulic mechanism, and the work is extremely troublesome.

Third, such a buffer leg is expensive due to its complicated structure.

Such a problem has been pointed out in a conventional shock absorber such as a moving shelter using a shock absorbing leg.

Therefore, in order to solve the problems of the moving shelter or the like using the conventional shock absorbing leg and the shock absorbing device, the shock absorbing material constituting the shock absorbing device is moved by the cell end face by the honeycomb material having a predetermined compressive strength. In order to support the lower part of the corner of the shelter, etc., it has an appropriate cross-sectional area, and is formed in a column shape with an appropriate height, and these cushioning materials are directly Alternatively, there is provided a shock absorber such as a movable shelter which can be attached to a lower portion of each corner using an attachment belt or the like via an attachment member or the like.

In the shock absorber of the moving shelter or the like having the above-described configuration, when the shock absorber is used, in a state where each cushioning material constituting the shock absorber is attached to the moving shelter or the like, the lower part of each corner of the moving shelter or the like has a honeycomb. It is in a state of being supported by the cushioning material formed of the material.

By the way, when an impact load acting to compress the honeycomb material is applied to the honeycomb material in the cell axis direction, a compressive stress is generated in the honeycomb material, and this stress has a certain magnitude (the honeycomb material, that is, When the cell wall constituting the honeycomb material reaches the compressive strength), the cell wall starts buckling. Once the buckling of the cell wall has begun, once the buckling of the cell wall is considerably smaller than the compressive strength of the honeycomb material before the buckling of the cell wall has started, and the buckling of the cell wall proceeds with a substantially constant compressive strength,
In addition to absorbing the impact load applied to the honeycomb material due to the buckling of the cell wall, the honeycomb wall has a characteristic that the absorbing action is continued until about 75% of the length in the cell axis direction buckles. Therefore, the degree to which the impact load is absorbed by the buckling of the cell wall is constant, and the impact load is absorbed by the permanent strain caused by the buckling of the cell wall, so that no repulsive action occurs. In addition, the buckling of the cell wall proceeds with an impact load considerably smaller than the impact load applied until the honeycomb material reaches the compressive strength, so that the honeycomb material is subjected to an impact load greater than the compressive strength of the honeycomb material. There is no.

Therefore, when using a shock absorber when transporting mobile shelters, etc., mainly the loaded equipment is highly accurate,
Only when the allowable G value is small, the honeycomb material forming the cushioning material is formed by a honeycomb material having a predetermined compressive strength, that is, a compressive strength having a value smaller than the allowable G value of the equipment. Need,
Since the cushioning material formed by the honeycomb material is disposable after each use, it is easy to form the honeycomb material having a small compressive strength,
And, because it is inexpensive, a paper honeycomb material having a predetermined compressive strength is used.
Appropriate height, that is, the state of the destination is uneven or inclined, and, furthermore, when the state is lowered to the limit where it is allowed to lower the moving shelter, etc. Also, while the buckling of the cell walls of the paper honeycomb material forming the first grounded cushioning material continues to progress, the buckling of the paper honeycomb material finally forming the grounded cushioning material may start. It is formed so as to have a height that is as high as possible and has a cross-sectional area capable of supporting the lower surface of the corner of the moving shelter or the like by the cell end face.

Therefore, when attaching a shock absorber and lowering the mobile shelter or the like transported to the destination above the ground, even if the state of the destination is not flat, firstly, an impact load is applied to the lower surface of the shock absorbing material that first touches the ground. When this load reaches the compressive strength of the paper honeycomb material forming the cushioning material, buckling of the cell wall starts, and thereafter, the impact load is absorbed by the buckling of the cell wall. Then, at the time when the buckling of the paper honeycomb material forming the first grounded cushioning material has progressed to some extent, the buckling of the paper honeycomb material forming the next grounded cushioning material starts, and in this way, sequentially, While the cushioning material is grounded and the paper honeycomb material forming the first grounded cushioning material continues to buckle, the paper honeycomb material forming the last grounded cushioning material begins to buckle. The impact load applied to the material is absorbed by the buckling of the paper honeycomb material forming each cushioning material.

Therefore, the impact load is initially applied to the equipment loaded in the mobile shelter, etc., and the value of the impact load is
Since it is smaller than the allowable G value of the equipment, the loaded equipment is not damaged.

As described above, in the shock absorber of the conventional moving shelter or the like having the above-described structure, since the shock absorbing material forming the shock absorbing device is made of the paper honeycomb material, first, the destination for lowering the moving shelter or the like is not flat. ,
For example, even when the state of the destination is uneven or inclined, and the state is lowered to a limit where it is permissible to lower the moving shelter or the like, the function is sufficiently performed. be able to.

Secondly, it is easy to handle because there is no need to always check and maintain it.

Third, since the cushioning material occupying the main part of the cushioning device can be formed of a low-cost paper honeycomb material, the cushioning device is extremely inexpensive.

However, since the cushioning material is formed of a paper honeycomb material, the following problems have been pointed out.

First, the paper honeycomb material has the property of absorbing moisture very easily. If moisture is absorbed, the quality is deteriorated, for example, the value of compressive strength is reduced, and the degree of deterioration is changed according to the degree of moisture absorption. In some cases, there is a concern that the cushioning function may not be fulfilled, so that selection of a storage location for the buffer material that is used less frequently, handling during transportation, and the like are troublesome.

Secondly, when used during rainy weather, it is necessary to cover with a waterproof sheet to prevent the cushioning material from getting wet,
This coating work is complicated and, for example, if the coating is made thicker than necessary, for example, by multiplying the coating, the performance such as the compressive strength of the cushioning material changes, and the loaded equipment etc. is damaged. Therefore, the coating operation has to be performed according to a strictly set standard, and the operation is troublesome and requires a lot of man-hours.

Thirdly, storage and handling during transportation are thorough, and even when the weather at the time of use is a sunny day with low humidity, the state of the destination is a place where a puddle exists, Alternatively, in the case of a wetland-like place, there is a possibility that the function of the cushioning material is reduced and the equipment is damaged, for example, the effective stroke is impaired.

Such a point has been pointed out in a conventional shock absorber such as a moving shelter constituted by a shock absorbing material formed of a paper honeycomb material.

The present invention has been made in view of such circumstances, and has been made to solve the problems of the conventional example, when transporting mobile shelters and the like, for example, by hanging transport by helicopter, the state of the destination, Even if it is uneven or inclined and its condition is the limit where it is permissible to lower the moving shelter, etc. Absorbed and loaded equipment can be completely prevented from being damaged, and troublesome work such as always requiring inspection and maintenance is not required, and handling is easy. In addition, it has the feature of being inexpensive, and furthermore, there is no occurrence such as deterioration of the quality of the cushioning material during long-term storage or during transportation, etc. Take time There are very easy, on it,
Even when used in rainy weather, complicated covering work is unnecessary, and even if there is a puddle, or when dropped to a wetland destination, the effective stroke is damaged, etc.
It is an object of the present invention to propose a shock absorber such as a mobile shelter which can sufficiently perform its function without its performance being reduced.

"Means for Solving the Problems" The present invention has been made to achieve the above object, and the technical solutions thereof are as follows.

The shock absorber is a shock absorber for reducing and absorbing an impact load applied to the moving shelter or the like when the moving shelter or the like transported via the transportation means is lowered from the transportation means to the ground. The cushioning material constituting the device is composed of a cushioning material main body formed of a paper honeycomb material having a predetermined compressive strength, and a waterproof sheet material covering the cushioning material main body by vacuum packing. It is formed in a columnar shape having an appropriate height and a cross-sectional area capable of supporting a lower portion of a corner of the moving shelter or the like by the cell end face.

The cushioning material having such a configuration can be attached to a lower portion of each corner of the moving shelter or the like in a predetermined positional relationship via an appropriate attaching means.

[Operation] The present invention comprises the above means, and operates as follows. That is, for example, when transporting a mobile shelter or the like loaded with high-precision equipment or the like by hanging transport using a helicopter, each cushioning material constituting a shock absorber through an appropriate attachment means is used, such as a mobile shelter. In the state where each of the lower parts of the four corners is attached to the lower part of the four corners in a predetermined positional relationship, the lower part of the corner has a predetermined compressive strength, that is, the allowable G value of the equipment and the like loaded in the lower part. Using a paper honeycomb material with a small compressive strength, having a cross-sectional area that can support the lower part of the corner by the cell end face, the height is appropriately high, that is, the state of the destination is uneven Alternatively, even when the mobile shelter or the like is lowered to a position where the mobile shelter or the like is allowed to be lowered when the mobile shelter or the like is allowed to fall, the buffer which is first contacted with the ground. The height at which the buckling of the cell wall of the paper honeycomb material forming the last grounded cushioning material body can begin while the buckling of the cell wall of the paper honeycomb material forming the main body continues to progress Since the main body of the cushioning material formed in a column shape provided with is supported by the cushioning material covered with the waterproof sheet material by the vacuum packing, firstly, the destination for lowering the moving shelter or the like is Not flat
Even if the state of the destination is uneven or inclined, and the state is at a limit where it is permissible to lower the moving shelter, etc., the function can be sufficiently performed. The inserted equipment will not be damaged.

Second, it is easy to handle because there is no need to always perform inspection and maintenance.

Third, the main body of the cushioning material, which occupies the main part of the shock absorber,
Because it is made of inexpensive paper honeycomb material,
The shock absorber is very inexpensive.

Furthermore, since the cushioning material is formed by covering the cushioning material body formed of a paper honeycomb material with a waterproof sheet material by vacuum packing, fourthly, when the cushioning material is stored in a general warehouse or the like for a long time. ,
Alternatively, even in the case of transportation by ordinary truck transportation or the like, there is no possibility that the quality of the buffer material is deteriorated due to the absorption of moisture by the buffer material, and therefore, the storage and handling during transportation are extremely easy. .

Fifth, even when it is used in rainy weather, it is not necessary to perform a complicated covering work with a waterproof sheet, which is necessary each time, and the compressive strength and the like caused by covering with a waterproof sheet are not required. There is no problem such as a change in performance.

Sixth, even if the state of the destination is a place where a puddle is present or a place like a wetland, for example, the effective stroke of the cushioning material is impaired, and the performance deteriorates. There will be no such a situation that the function cannot be sufficiently performed.

Seventh, since the inside of the cushioning material is in a vacuum state and has a pressure lower than the outside air pressure, when the paper honeycomb material forming the cushioning material buckles or touches the ground, the stone on which the cushioning material exists on the ground. Even if a part of the waterproof sheet material breaks when it collides with a protrusion such as, the outside air that has entered from the torn portion is again scattered from the torn portion with the buckling of the paper honeycomb material. As it is discharged, the airbag effect does not occur,
Therefore, there is no change in the compressive strength and the like.

"Example" Hereinafter, the present invention will be described based on an example shown in the drawings.

FIG. 1 is a partially cutaway perspective view of a cushioning material, FIG. 2 is a perspective explanatory view showing a state where each cushioning material constituting a cushioning device is attached to a moving shelter, and FIG. It is a side view of a part.

 First, the outline of the moving shelter will be described.

In the drawing, reference numeral 1 denotes a moving shelter. The moving shelter 1 has a box-like shape, and includes a frame 2 serving as a skeleton provided at upper, lower, left, right, front and rear edges, a side wall 3, a top wall 4, and a bottom wall 5. End wall portions 6 are fixedly attached to the front and rear end surfaces. In the moving shelter 1 in the illustrated example, an entrance (not shown) is provided on one end side wall 6, and a door 7 for opening and closing the entrance is attached.

In the mobile shelter 1, for example, devices (not shown) such as high-precision electronic devices and communication devices are loaded.

 The mobile shelter 1 is roughly like this.

 Next, a cushioning material constituting the cushioning device will be described.

Reference numeral 11 denotes a cushioning material constituting the cushioning device 10, and the cushioning material
11 is as follows. Reference numeral 12 denotes a cushioning material main body of the cushioning material 11. The cushioning material main body 12 has a predetermined compressive strength, that is, a value based on an allowable G value of equipment (not shown) loaded in the movable shelter 1. It is formed by a paper honeycomb material 13 having a small compressive strength. Then, the paper honeycomb material 13 forming the cushioning material body 12
Has a cross-sectional area in which the cell axis of each cell 13a is located along the vertical direction, and can support the lower surface of the corner of the movable shelter 1 by the end face of the cell 13a, and has an appropriate height, That is, when the mobile shelter 1 to which the below-described cushioning material 11 is attached is transported and dropped by, for example, a helicopter (not shown), the state of the destination is uneven or inclined. The buckling of the cell wall 13b of the paper honeycomb material 13 forming the cushioning material main body 12 of the cushioning material 11 that is first grounded continues even at the limit where the state is allowed to lower the moving shelter 1. While progressing, the paper wall material 13 which forms the cushioning material body 12 of the cushioning material 11 that has been finally grounded has a column shape with a cross section having a height that can start buckling of the cell wall 13b. Is formed.

Further, a paper honeycomb material forming the cushioning material body 12
At the opening end surface of the cell 13a of the thirteenth, for example, at the time of vacuum packing described later, or at the time of mounting, etc., it is possible to prevent the partial cell wall 13b near the cell end surface from being deformed or damaged, thereby preventing the buffer function from being impaired. A surface protection sheet 14 made of kraft paper is attached.

Note that the shape of the cushioning material body 12 is not limited to a columnar shape having a substantially square cross section, but may be a columnar shape such as a rectangular cross section, a substantially right-angled triangular cross section, or a sector shape having two sides substantially at right angles. Good.

Then, the paper honeycomb material 13 forming the cushioning material main body 12 in which the surface protection sheet 14 is attached to the opening end face of the cell 13a
Is covered by vacuum packing with a waterproof sheet material 15 such as a plastic sheet.

The cushioning material 11 constituting the cushioning device 10 is configured as described above.

 Next, a description will be given of the mounting means of the cushioning material.

2 and 3, reference numeral 31 denotes an upper mounting bracket, and 32 denotes a lower mounting bracket. These mounting brackets 31 and 32 are respectively provided with hooks for hooking a hook 33 of a mounting belt 30, which will be described later, at the distal end. A stop hole (not shown) is provided.

In addition, in the illustrated example, the upper mounting bracket 31 is used to mount the cushioning material 11 on the movable shelter 1.
The cushioning material 11 is arranged such that the end surface of the cell 13a of the cushioning material body 12 is opposed to the lower surface of the corner of the moving shelter 1, and the substantially orthogonal outer surfaces of the cushioning material 11 are respectively connected to the side wall 3 at the corner and the end portion. In a state in which the outer surface of the side wall 6 is substantially flush with the outer surface of the side wall 6 and is in contact with the lower surface of the corner of the movable shelter 1,
Two pieces are provided at predetermined intervals on the side wall 3 and the end side wall 6 in the upper part of the cushioning material 11.

Further, the lower mounting bracket 32 moves the shock absorber 11 in the upper surface of the shock absorber 11 at a predetermined distance from the side edge in a state where the shock absorber 11 is in contact with the lower surface of the corner portion of the shifter 1 in the above positional relationship. Each of the upper mounting brackets 31 on the lower surface of the device 1 is provided at a corresponding position.

Reference numeral 30 denotes an attachment belt, 30a denotes a fixed side belt of the attachment belt 30, 30b denotes an adjustment side belt of the attachment belt 30, and 34 denotes a buckle attached to an end of the fixed side belt 30a.

Therefore, when attaching the cushioning material 11 to the movable shelter 1 when the cushioning device 10 is used, first, the adjusting belt
The hooks 33 attached to the distal ends of the lower brackets 30b are respectively engaged with engaging holes (not shown) of the lower mounting bracket 32, and then the cushioning material 11 is moved to the above positional relationship on the lower surface of the corner of the shelter 1. After positioning the belt,
The hook 30 attached to the end of the fixed side belt 30a is hooked by the upper mounting bracket 31 disposed in a positional relationship corresponding to the lower mounting bracket 32, while the hook 30 is attached to the outer peripheral surface of the cushioning material 11 along the outer peripheral surface. The adjustment belts are respectively hooked in the holes (not shown), and finally, are fixed to the buckle 34.
By adjusting the end of 30b and tightening the cushioning material 11 with the mounting belt 30, the cushioning material 11 is attached to a predetermined position of the movable shelter 1.

Note that the means for attaching the cushioning material 11 is not limited to the above-described embodiment, and the cushioning material 11 may be attached using an adhesive tape or the like, for example, since the cushioning material 11 is extremely lightweight.

 The mounting means and the like for the cushioning material 11 are configured as described above.

 The above is the description of the configuration and the like.

 Hereinafter, the operation and the like will be described.

Now, when transporting the mobile shelter 1 to the destination by, for example, hanging transport using a helicopter, first, cushion materials are provided at the lower four corners of the mobile shelter 1 respectively.
11 is attached in a predetermined positional relationship.

The movable shelter 1 to which the cushioning material 11 is attached is in a state where the lower surface of each corner is supported by the cushioning material 11.

The mobile shelter 1 to which the shock absorber 10 is attached in such a state is suspended by a helicopter and transported over the destination.

The mobile shelter 1 transported over the destination is lowered to the destination by paying out the suspended wires.

Therefore, first, at the moment when the lower surface of the cushioning material 11 contacts the ground, the paper honeycomb material 13 forming the cushioning material body 12 acts to compress the paper honeycomb material 13 in the axial direction of the cell 13a. Impact load is applied. When this impact load is applied, a compressive stress is generated in the paper honeycomb material 13, and this stress has a certain magnitude, that is, the paper honeycomb material 13
Until the compressive strength of the paper honeycomb material 13 is reached, the paper honeycomb material 13 does not function as a cushioning material, and the impact load applied to the paper honeycomb material 13 is transmitted to the unloaded equipment via the moving shelter 1 as it is. Therefore, the impact load is applied to the devices, and the value of the impact load is set to a value smaller than the allowable G value of the loaded devices. Since the value is smaller than the value of the compressive strength of the material 13, the transmitted impact load does not damage the devices. When the stress generated in the paper honeycomb material 13 forming the cushioning material body 12 reaches the compressive strength, the buckling of the cell wall 13b starts. And, once the buckling of the cell wall 13b starts, thereafter, the buckling of the cell wall 13b proceeds by a compressive strength considerably smaller than the compressive strength of the paper honeycomb material 13 before the buckling of the cell wall 13b starts, Since the impact load applied to the cushioning material 11 due to the buckling of the cell wall 13b is absorbed, after the buckling of the cell wall 13b starts, no impact load is applied to the loaded devices at all.

Further, even if the state of the destination on which the mobile shelter 1 is lowered is uneven or inclined, and the state is the limit where the mobile shelter 1 can be lowered, the cushioning material main body 12 The height of the cushioning material body that first touched the ground
While the buckling of the cell wall 13b of the paper honeycomb material 13 forming the sheet 12 continues to progress, the cell wall 13b of the paper honeycomb material 13 forming the cushioning material body 12 that is finally grounded
Is set to a height at which the buckling can start, so that even when the device is lowered to such a location, an impact load exceeding the allowable G value is not applied to the loaded devices.

Secondly, since the cushioning member 11 constituting the cushioning device 10 has a structure in which the cushioning member body 12 is formed of a paper honeycomb material 13 and the cushioning member body 12 is covered by vacuum packing with a waterproof sheet material 15. It is easy to handle because there is no need to always check and maintain it.

Third, since the cushioning material main body 12 occupying the main part of the cushioning device 10 can be formed of a low-cost paper honeycomb material,
The shock absorber 10 is extremely inexpensive.

Furthermore, since the cushioning material 11 has a structure in which the cushioning material body 12 formed of the paper honeycomb material 13 is covered with the waterproof sheet material 15 by vacuum packing, fourthly, the cushioning material which is used less frequently is used. Even when the material 11 is stored for a long time in a general warehouse, for example, or when transported by ordinary truck transportation, the paper honeycomb material 13 forming the cushioning material main body 12 absorbs moisture and the quality thereof is increased. There is no situation such as deterioration of the product, and therefore, storage and handling during transportation are extremely easy.

Fifth, even when it is used in rainy weather, it is not necessary to perform a complicated covering work with a waterproof sheet, which is necessary each time, and the compressive strength and the like caused by covering with a waterproof sheet are not required. There is no problem such as a change in performance.

Sixth, even if the state of the destination is a place where a puddle is present or a wet place, for example, the effective stroke of the paper honeycomb material 13 forming the cushioning material main body 12 is reduced. There is no occurrence of such a situation that the performance is reduced such as being damaged and the cushioning material 11 cannot perform its function sufficiently.

Seventh, since the inside of the cushioning material 11 is in a vacuum state and has a pressure lower than the outside air pressure, when the paper honeycomb material 13 forming the cushioning material main body 12 buckles or at the time of grounding, the cushioning material 11
Even when a piece of the waterproof sheet material 15 breaks when it collides with a protrusion such as a stone existing on the ground, the outside air entering from the torn portion is accompanied by the buckling of the paper honeycomb material 13. Then, the air is discharged again from the torn portion, so that no air bag action occurs, and therefore, the compressive strength of the paper honeycomb material 13 does not change.

 The above is the description of the operation and the like.

"Others" Next, another embodiment of the shock absorber 10 will be described.

FIG. 4 is a perspective view showing a mutual mounting positional relationship between a cushioning material and a side protection member attached to the cushioning material.

In this embodiment, the cushioning material constituting the cushioning device 10
A side protection member for protecting the lower end of the side wall 3 and the end side wall 6 at the corner of the movable shelter 1
20 is to be attached.

The side protection member 20 attached to the cushioning member 11 is as follows. The side protection member body 21 of the side protection member 20
Each cell 22 is formed by a paper honeycomb material 22 having the same compressive strength as the paper honeycomb material 13 forming the cushioning material body 12.
The cell axis of a is formed so as to be located along the horizontal direction, and its height is formed at a height higher than the height of the cushioning material 11, and its length in the width direction is:
One side protection member main body 21 is formed to have a length equal to the length of one side of the cushioning material main body 12 in which the end surface of the cell 13a is formed in a substantially square shape, and the other side protection member main body 21
Is formed such that the length in the width direction is longer than the length in the width direction of one side protection member main body 21 by the thickness of the side protection member main body 21 described later. And about the thickness of the side part protection member main body 21, while lowering the moving shelter 1 to the ground,
For example, when the moving shelter 1 rolls due to wind or the like and the degree falls under a condition of an allowable limit, when the vehicle touches down, the lower part of the corner of the moving shelter 1 or the cushioning material 11 is moved laterally, obliquely, or the like. When an impact load is applied from
The thickness of the paper honeycomb member 22 forming the side protection member main body 21 is formed to be sufficiently absorbed by buckling of the cell wall 22b.

A surface protection sheet 14 is attached to each of the open end faces of the cells 22a of the paper honeycomb material 22 forming the side protection member main body 21, and the periphery thereof is covered by a vacuum packing with a waterproof sheet material 15. Have been.

 The side protection member 20 is configured as described above.

Next, a description will be given of a means for attaching the cushioning material 11 provided with the side protection member 20 and the like.

When attaching the cushioning material 11 provided with the side protection members 20 to the movable shelter 1, the cushioning material 11 and the lower ends of the side protection members 20 coincide with each other in advance, and on the outer surface of the cushioning material 11, After the respective side protection members 20 are positioned in contact with each other in a predetermined positional relationship, the side protection members 20 are fixed to the cushioning material 11 with an adhesive tape, a mounting belt, or the like. Thereafter, the upper surface of the cushioning material 11 provided with the side protection member 20 is brought into contact with the lower surface of the corner of the movable shelter 1, and the inner surface of the protruding portion of the side protection member 20 is formed on the side wall 3 and the end side wall 6. After being positioned so as to be in contact with the outer surface of the lower end portion, it can be easily attached by attaching with an attachment belt or the like. (Fig. 2, 3
Therefore, according to this embodiment, according to this embodiment, the moving shelter 1 to which the cushioning material 11 provided with the side protection member 20 is attached has the lower surface of each corner supported by the cushioning material 11 and The side wall 3 at the corner, the outer side surface of the lower end of the end side wall 6 and the outer side surface of the cushioning material 11 are covered by the side protection member 20.

Therefore, when the moving shelter 1 is lowered, the moving shelter 1 is moved in the middle of the lowering, for example, due to the wind and the like, and the degree of the movement becomes an allowable limit. 1 lower corner or cushioning material
Even when a large impact load is applied to the side 11 from a lateral direction, an oblique direction, or the like, the impact load is absorbed by the buckling of the cell wall 22b of the paper honeycomb material 22 forming the side protection member body 21. Therefore, even when such a situation occurs, the function of the cushioning material 11 is not impaired, and the loaded equipment can be protected more safely.

Also, since the side protection member 20 and the cushioning material 11 are formed separately, it can be used only when it is assumed that the side protection member 20 is necessary, and can be transported, handled during storage, and the like. Easy.

Next, another example of the mounting means of the cushioning material 11 will be described.

FIG. 5 is a partially broken sectional view showing another attachment means such as a cushioning material.

In the figure, reference numeral 40 denotes a mounting member.
Is composed of a fixed cushion 41 and a support member 42.

The fixed cushion 41 has a compressive strength higher than the compressive strength of the paper honeycomb material 13 constituting the cushioning material main body 12, and has, for example, an aluminum honeycomb material having a suitable thickness as a core material, and aluminum material on both surfaces thereof. The honeycomb panel 43 to which the surface slab is attached has a substantially same shape and size as the upper surface of the cushioning material 11. In addition, an insert nut 46 is embedded in an appropriate portion of the fixed cushion 41 so as to be opened on the surface plate.

The support member 42 is formed of, for example, a light metal plate such as an aluminum plate having a considerably larger thickness than the surface plate of the honeycomb panel 43 constituting the fixed cushion 41, and has substantially the same shape and size as the fixed cushion 41. Floor section 42a
And two vertically extending walls 42b along two outer edges of the floor 42a. An upper mounting bracket 31 for hanging the mounting belt 30 and a mounting bolt fixing bracket 45 for fixing a mounting bolt 44, which will be described later, are arranged side by side at both ends on the outer upper side of the wall 42b. Have been. Further, the upper mounting bracket 3 on the edge of the floor portion 42a facing the wall portion 42b.
A lower mounting bracket 32 is provided at a portion corresponding to 1 in such a manner that the tip portion protrudes. Also the floor
At 42a, screw insertion holes 47 are respectively formed in portions corresponding to the insert nuts 46 buried in the fixed cushion 42 when the support member 42 is placed on the fixed cushion 41 in a predetermined positional relationship. .

Therefore, by stacking the support member 42 on the fixed cushion 41 in a predetermined positional relationship, and screwing the mounting screw 50 inserted into the screw insertion hole 47 with the insert nut 46,
The fixed cushion 41 can be attached to the lower surface of the support member.

Reference numeral 48 denotes a cushion material attached to the inner surface of the support member 42.

Reference numeral 49 denotes a mounting bolt support bracket. The mounting bolt support bracket 49 is provided with a cushion member 48 attached on a floor 42 of a support member 42 having a fixed cushion 41 mounted on a lower surface thereof, and a corner portion of the movable shelter 1. In the moving shelter 1 having a structure in which the skid 60 is protruded from the lower surface, that is, the corner lower surface as shown in the illustrated example, the movable shelter 1 is located on the lower surface of the skid 60 and the side wall 3 at the lower portion of the corner, The outer wall of the supporting member 42 is provided on the outer surface of the side wall 6 (in the case of the moving shelter 1 having a structure in which the corner fitting projects at the corner, the outer surface of the corner fitting).
In a state where the cushion material 48 attached to 42b is in a contact position, the cushion member 48 is located above the mounting bolt fixing bracket 45 disposed on the wall 42b of the support member 42, and the head is attached to the mounting bolt supporting bracket 49. The tip of the lower end screw portion of the mounting bolt 44 that is swingably supported is positioned so that it can be inserted into a bolt insertion hole (not shown) formed in the tip of the mounting bolt fixing bracket 45. Two pieces are provided on each of the side wall 3 and the end side wall 6.

Accordingly, in this embodiment, when the cushioning device 10 is used, when the cushioning members 11 are attached to the movable shelter 1, first, the fixed cushion 41 is attached to the lower surface of the support member 42.

Next, the support member 42 to which the fixed cushion 41 is attached is attached.
Are positioned substantially below the corners of the movable shelter 1 in the above-described positional relationship, and the distal ends of the mounting bolts 44 are inserted into bolt insertion holes (not shown) of the mounting bolt fixing bracket 45, respectively. By tightening the nut 51 screwed to the distal end, the mounting member 42 is supported by each mounting bolt 44 whose head is supported by the mounting bolt support bracket 49.
The mounting member 40, which is composed of the movable cushion 1 and the fixed cushion 41, is firmly mounted at a predetermined position in the lower corner of the movable shelter 1.

Next, hooks 33 attached to the tip of the adjustment side belt 30b of the attachment belt 30 are respectively attached to the lower attachment brackets.
After hanging on the cushion 32, the cushioning material 11 is brought into contact with the fixed cushion 20 in a predetermined positional relationship, and while maintaining this state, the mounting belt 30 is wrapped around the outer peripheral surface of the cushioning material 11, and Hooks 33 attached to the tip of the belt 30a are respectively hooked on the mounting brackets 31 arranged in a positional relationship corresponding to the lower mounting brats 32, and finally, a buckle 34
By adjusting the end portion of the adjustment-side belt 30b locked to the buffer member 11 and tightening the cushioning member 11 with the attachment belt 30, the cushioning member 11 is moved through the attachment member 40 including the fixed cushion 41 and the support member 42. Attached to the mobile shelter 1.

Therefore, according to the mounting means in this embodiment,
In particular, even if the structure of the moving shelter 1 is such that the skid 60 or the like protrudes from the lower surface of the corner, for example, the moving shelter 1 is provided via the plurality of mounting bolts 44.
The cushioning member 11 can be attached to the lower part of the corner via the attachment member 40 that is firmly and stably attached, so that the cushioning member 11 can be attached extremely firmly and stably.

In addition, the cushioning material 11 is mounted such that it is completely supported by the fixed cushion 41 and the floor portion 42a of the support member 42, so that when the cushioning material 11 is mounted and when an impact load is applied to the cushioning material 11, For example, only a part of the cushioning material 11 is initially deformed and damaged by the skid 60 or the like, so that the effective stroke thereof is not impaired.
Can be formed to the minimum necessary size. Therefore, storage, handling, and the like of the cushioning material 11 are easy.

Furthermore, at the time of grounding, for example, an obstacle with a sharp tip collides with the cushioning material 11, and in the unlikely event that the obstacle or the like breaks through a part of the cushioning material 11, or furthermore, a part of the fixed cushion 20 In the event that a breakthrough occurs,
Is protected by the fixed cushion 20 or the support member 42, and the shock is also reduced by the cushion material 48 attached to the support member 42, so that the movable shelter 1 is not damaged.

The structure and the like of the mounting member 40 are not limited to this embodiment.For example, in the mounting member used for the cushioning material 11 to which the above-described side protection member 20 is attached, furthermore,
The height of the wall 42b of the support member 42 may be made higher, and a fixed cushion for protecting the lower end of the side wall 3 and the end side wall 6 may be provided on the outer surface of the wall 42b. Further, the mounting member may be constituted only by the fixed cushion. In addition, as for the mounting means and the like, the cushioning material of the mounting member may be simultaneously mounted by a mounting belt or the like.

As described above, the example of the shock absorber of the moving box-shaped structure according to the present invention used in the moving shelter 1 has been described.
The moving box-shaped structure used is not limited to the moving shelter 1, and may be another moving box-shaped structure such as a container.

[Effects of the Invention] As described above in detail, according to the shock absorbing device for a moving box-shaped structure according to the present invention, when the moving box-shaped structure is transported by, for example, hanging transport using a helicopter, The ground condition is uneven or inclined, and the condition is the limit where it is permissible to lower the moving box-shaped structure. At the time of ground contact, a large impact load is applied to the shock absorber. Even in the event of a shock, the impact load can be absorbed and the loaded equipment can be prevented from being damaged, and troublesome work such as always requiring inspection and maintenance is not required. Not only is it easy to handle and it is inexpensive, but also there is no possibility that the quality of the cushioning material will deteriorate during long-term storage or during transportation. No, storage, transportation, etc. It is extremely easy to use, and even when used in rainy weather, it does not require complicated covering work, and is effective even when there is a puddle or when it is dropped to a wetland destination. The performance is not deteriorated such as the stroke is impaired, and the function can be sufficiently performed.

As described above, the effects exhibited by the present invention are remarkable and large, for example, the problems existing in this type of conventional example are eliminated.

[Brief description of the drawings]

1 shows an embodiment of the present invention. FIG. 1 is a partially cutaway perspective view of a cushioning material, and FIG. 2 is a perspective view showing a state where each cushioning material constituting a cushioning device is attached to a moving shelter. Figure,
FIG. 3 is a side view of a main part of FIG. FIGS. 4 and 5 show other embodiments, respectively. FIG. 4 is a perspective view showing a mutual mounting positional relationship between a cushioning material and a side protection member attached to the cushioning material. FIG. 5 is a partially cutaway front view showing another mounting means such as a cushioning material. 1 ... moving shelter, 2 ... frame frame, 3 ... side wall,
4 ... top wall, 5 ... bottom wall, 6 ... end side wall, 7 ... door
10 ... shock absorber, 11 ... shock absorber, 12 ... shock absorber body, 13
…… Paper honeycomb material (buffer body), 13a …… Cell, 1
3b: Cell wall, 14: Surface protection sheet, 15: Waterproof sheet material, 20: Side protection member, 21: Side protection member body,
22 …… Paper honeycomb material (main body of side protection member), 22a…
... cell, 22b ... cell wall, 30 ... mounting belt, 30a ... fixed side belt, 30b ... adjustment side belt, 31 ... upper mounting bracket, 32 ... lower mounting bracket, 33 ... hook,
34 buckle, 40 mounting member, 41 fixed cushion, 42 support member, 42a floor, 42b wall, 43
... Honeycomb panel, 44 ... Mounting bolt, 45 ... Mounting bolt fixing bracket, 46 ... Insert nut, 47 ... Screw insertion hole, 48 ... Cushion material, 49 ... Mounting bolt support bracket, 50 ... Mounting screw , 51 ... nut, 60 ... skid.

Claims (1)

(57) [Claims] 1. A buffer device for reducing and absorbing a buffer load applied to a moving box-shaped structure when the moving box-shaped structure transported via a means of transport is lowered from the means of transport to the ground. The cushioning material constituting the cushioning device has an appropriate height so as to support the lower portion of the corner of the moving box-shaped structure by the cell end face by a paper honeycomb material having a predetermined compressive strength. A cushioning material body formed in a columnar shape and a waterproof sheet material obtained by covering the cushioning material body with a vacuum pack package, and the cushioning material is appropriately attached to the moving box-like structure via an attaching means. A shock absorber for a moving box-like structure, which can be attached to the lower part of each corner.