JPS62140933A - Mobile shelter lifting device - Google Patents

Abstract

PURPOSE:To increase the speed of the elevating work of a moving shelter, by a method wherein a holding means and an elevating mechanism are provided, and a support arm, rotatably between given positions, is mounted to the moving shelter. CONSTITUTION:Holding means 17 are disposed between support arms 8, pivotally attached to their respective corner parts of a moving shelter S, and the shelter S. The holding means 17 position the support arms 8 in an overhand position, where the tip part thereof is protruded from the width of a load-carrying platform 2, and a containing position, where the support arm is turned in a 90 deg.C arc from the overhang position and can be contained on the load-carrying platform 2. An elevating mechanism 10, having elevating legs 11, each exceeding the level of the height of the load-carrying platform 2 from a ground, is mounted to the tip part of the supporting arm 8. This constitution eliminates a mounting and demounting work each time the moving shelter S is loaded and unloaded, and enables execution of a simple, an easy, and a rapid elevating work of the moving shelter S.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a mobile shelter that is loaded and transported on the platform of a transportation means such as a truck, and more particularly relates to an elevating device between the platform of the mobile shelter and the ground. .

"Prior Art" A conventional lifting device will be described with reference to FIGS. 5 and 6.

There are certain limits on the width, height, etc. of the truck 1 and its cargo, and anything exceeding these limits is not permitted. On the other hand, the width of the mobile shelter S loaded on the truck 1 is
The dimensions are close to the width of the loading platform 2.

Therefore, the lifting device 3 for the loading platform 2 of the mobile shelter S is
If it were to be fixed to the movable shelter S, the tip would protrude beyond the width of the loading platform 2, so conventionally it was a disassembly type. That is, according to the conventional lifting device 3,
Each time the movable shelter S is raised or lowered, the movable shelter S is assembled by attaching the elevating bracket 4 to the movable shelter S using pins, etc., attaching the elevating legs 5 to the elevating bracket 4, and arranging chains 6, pins, etc. as appropriate. I was going.

After being lifted and lowered, the lifting device 3 is disassembled and removed from the moving shelter S so that there is no problem with loading the moving shelter S onto the loading platform 2 and other operations.

"Problems to be Solved by the Invention" By the way, the following problems have been pointed out in such a conventional lifting device 3.

In other words, the conventional elevating device 3 requires work such as installation, assembly, removal, and disassembly each time the movable shelter S is raised and lowered relative to the loading platform 2, that is, each time it is loaded or unloaded. However, the process takes time and requires a large number of workers, which poses problems in terms of work efficiency.

Such a problem has always been pointed out in the conventional lifting device 3 for the mobile shelter S.

In view of the above circumstances, the present invention has been made to solve the problems of the conventional example. It is an object of the present invention to provide a lifting device for a mobile shelter, which allows lifting and lowering of the mobile shelter to be easily and quickly carried out on a loading platform of a truck or the like.

"Means for Solving the Problems" The technical means of the present invention to achieve this objective are as follows.

This lifting device lifts and lowers a movable shelter loaded and transported on the platform of a transportation means such as a truck between the ground and the platform.

This elevating device includes the following support arm, holding means, and elevating mechanism.

That is, the support arms are each pivotally attached to each corner of the movable shelter.

The holding means is disposed between the support arm and the movable shelter, and positions the support arm in an extended position where the tip protrudes beyond the width of the loading platform and a storage position where it can be rotated and stored on the loading platform. It is something to do.

The elevating mechanism is assembled to the distal end of the support arm, and includes elevating legs as supports that are moved up and down from the ground to a height that exceeds the height of the cargo platform.

"Function" Since the present invention consists of such means, it works as follows.

When loading a mobile shelter onto the loading platform of a truck, etc., the support arm, which is pivotally attached to the corner of the mobile shelter placed on the ground, is rotated from its normal storage position to an extended position. Positioning is performed by holding means.

Then, the movable shelter is raised via the support arm using the elevating leg as a support by the elevating mechanism assembled at the tip of the support arm.

In this way, the mobile shelter is raised to a position slightly higher than the height level of the bed of a truck or the like. On the other hand, the elevating mechanism such as the descending legs is positioned outside the width of the loading platform via the support arm.

Thereafter, the truck is moved, the loading platform is positioned under the movable shelter suspended by the lifting mechanism, and the movable shelter is placed on the loading platform.

Then, after raising the elevating legs to the height level of the loading platform, the support arm is rotated to the retracted position, which is a permanent position, and is positioned at this position by the holding means.

In this way, the support arm and the lifting mechanism are stored on the cargo platform.

On the other hand, loading and unloading from the loading platform after being moved by a truck or the like is done as follows.

That is, first, the support arm is rotated from the retracted position to the extended position and positioned by the holding means, and then the elevating legs of the elevating mechanism are lowered to the ground.

Then, the movable shelter is raised and suspended to a position slightly higher than the truck bed by the lifting mechanism, and then the truck is moved to another location.

The movable shelter is then lowered to the ground using a lifting mechanism. Thereafter, the support arm and the elevating/lowering mechanism are rotated to the permanent retracted position and are kept in position by the holding means.

In this way, lifting and lowering operations on the loading platform of trucks, etc. of mobile shelters, that is, loading and unloading operations, can be done easily.
It can be done easily, easily and quickly with a small number of people.

"Example" The present invention will be described in detail below based on the example shown in the drawings.

1, 2, 3, and 4 show embodiments of the present invention, with FIG. 1 being an enlarged view of the main parts thereof, and FIG. 2 being a sectional view thereof,
FIG. 3 is a plan view, and FIG. 4 is a front view.

This elevating device 7 moves the mobile shelter S, which is loaded onto the platform 2 of a truck 1 transport means and transported 1@, between the ground and the platform 2.
It is something that goes up and down between the two.

The mobile shelter S has a box shape, has a door, etc., has a width slightly smaller than the width of the loading platform 2, and is suitable for loading the loading platform 2 of the truck 1 etc.
It is loaded onto the container and moved to the appropriate location.

This Y lowering device 7 has support arms 8 pivotally attached to the corners of the movable shelter S, respectively. This support arm 8
In the illustrated example, the movable shelter S is attached to the four corners of the movable shelter S so as to be rotatable in the horizontal direction by a vertical rotation shaft 9.

The support arm 8 has a substantially flat plate shape along the vertical direction, has a height and strength sufficient to support the movable shelter S, and has a length sufficient for the entire tip portion to protrude laterally from the loading platform 2 at the extended position. It has the characteristics.

The support arm 8 is configured in this manner.

Next, the elevating mechanism 10 will be described.

The elevating mechanism 10 is assembled to the tip of the support arm 8, and includes elevating legs 11 as supports that are moved up and down from the ground to a height exceeding the height level of the loading platform 2. In the illustrated example, the elevating leg 11 is a jack having an inner cylinder 12 and an outer cylinder 13. The inner cylinder 12 includes a threaded portion,
Screw shafts, worm wheels, worms, etc. (
(not shown), and is moved up and down by a motor 14 attached to the tip of the support arm 8. The outer cylinder 13 is attached to the rack 15. It is moved up and down by a motor 16 attached to the tip of the support arm 8 via a pinion (not shown).

In this manner, in the illustrated lifting mechanism 10, the outer cylinder 13 of the lifting leg 11 is attached to the rack 15 at the tip of the support arm 8.
Since it is assembled so that it can move up and down using a pinion and a pinion, it has the advantage that the overall length in the raised state can be shortened. That is, the maximum vehicle height of the truck 1 is limited to 3.8 m, and even a two-stage so-called single-action vehicle that is easy to manufacture can easily fit within this limit.

In addition, as the elevating leg 11, various two-stage types other than the side shown in the figure,
A multi-stage type, such as a three-stage type, is possible, and its drive method can be an electric type, a hydraulic type, a single manual type, or various other types.

The elevating mechanism 10 is configured as described above.

Next, the holding means 17 will be described.

The holding means 17 is disposed between the support arm 8 and the movable shelter S, and moves the support arm 8 between an extended position where the distal end protrudes beyond the width of the loading platform 2 and a position where the support arm 8 is rotated, for example, 90 degrees from this extended position. , and a storage position where it can be stored on the loading platform 2.

The illustrated holding means 17 includes a guide body 18 fixed to the side surface of the movable shelter S, a pin 19 provided at one end along the side surface of the movable shelter S is slidably guided by the kite body 18, and the other end is slidably guided. The connecting arm 21 is pivotally connected to the support arm 8 near the center thereof by a pin 20.

The guide body 18 is provided with locking holes 22 and 23 at both ends thereof, into which the pins 20 are locked, and one of the locking holes 2
2 is the other locking hole 2 in the extended position of the support arm 8.
3 corresponds to the storage position of the support arm 8, respectively. By locking the pin 20 with the locking hole 22 or 23, the support arm 8 is positioned and held at a predetermined position by the connecting arm 21.

The holding means 17 is configured in this way.

This concludes the explanation of the configuration.

Next, the operation etc. will be explained.

When loading the mobile shelter S onto the loading platform 2 of the truck 1, first move the support arms 8 pivotally attached to the corners of the mobile shelter S placed on the ground from their normal storage position to the extended position. Rotate.

By locking the pins 19 of the holding means 17 into the locking holes 22, the support arm 8 is positioned at this position.

Thereafter, the movable shelter S is moved upwardly through the support arm 8 using the elevating leg 11 as a support for elevating and lowering the movable shelter S assembled to the tip of the support arm 8. That is, motor 14. By driving the motor 16 etc., the elevating leg 1]
By appropriately raising the inner part 12 and the outer cylinder 13 above the ground, the support arm 8 assembled to the outer cylinder 13 is also raised above the ground.

In this way, the mobile shelter S is raised to a position slightly higher than the height level of the loading platform 2 on the truck. On the other hand, the elevating legs 11 etc. are raised and lowered via the support arm 8,
It is positioned outside the width of the loading platform 2.

Then, the racks 1 to 1 are moved, and the loading platform 2 is positioned under the movable shelter S suspended by the elevating mechanism], and then the movable shelter S is layered on the loading platform 2.

After raising the lifting leg 118 to the level of the loading platform 2, the pin 19 of the holding means 17 and the locking hole 22 are unlocked, and the support arm 8 is rotated to the storage position, which is the normal position.
By locking the pin 19 of the first jaw holding means 17 and the locking hole 23 at this position, the support arm 8 and the lifting mechanism 1
0 is positioned and stored on the loading platform 2.

On the other hand, loading and unloading from the loading platform 2 after being moved by the truck 1 is performed as follows.

That is, first, the pin 19 of the holding means 17 and the locking hole 2'3
The support arm 8 and the lifting mechanism 10 are positioned by releasing the lock from the support arm 8, rotating the support arm 8 from the storage position to the extended position, and locking the pin 19 of the holding means 17 and the locking hole 22. .

Then, the elevating legs 11 of the elevating mechanism 10 are lowered to the ground.

Thereafter, the movable shelter S is raised and suspended by the elevating mechanism 10 to a position slightly higher than the loading platform 2 of the truck, and then the truck 1 is moved to another location.

Then, the movable shelter S is lowered to the ground by the lifting mechanism 10.

Then, the support arm 8 and the lifting arm 10 are disengaged from the pin 9 of the holding means 17 and the locking hole 22, and are rotated to the storage position, which is the normal position. Then 1 way to hold back 1
One pin of No. 7 is engaged with the locking hole 23 and positioned at the corresponding position.

In this way, the lifting and lowering work of the mobile shelter S with respect to the 1-rack 10 loading platform 2, that is, the loading and unloading work, is simple and easy with a small number of personnel.

done quickly.

: ``Effect of the invention'' As explained above, the elevating device for a movable shelter according to the present invention is provided with a support arm that is equipped with a holding means and an elevating mechanism and is rotatable between predetermined positions. Lifting and lowering work on the loading platform of shelter trucks, etc., that is, loading and unloading work, is prohibited.
It does not require complicated and troublesome work such as mounting, assembling, disassembling, disassembling, etc., and can be done simply, easily, and quickly in a short time with a small number of workers, and the efficiency of lifting and lowering work is significantly improved. , the problems that existed in this type of conventional lifting device have been eliminated, and the effects it has are as follows:
Make it noticeable and see something big.

[Brief explanation of drawings]

1, 2, 3, and 4 show an embodiment of the elevating device for a movable shelter according to the present invention, FIG. 1 is an enlarged plan view of the main parts thereof, and FIG. 1 is a sectional view taken along the line ■-■ in FIG. 1, FIG. 3 is a plan view, and FIG. 4 is a front view. 5 and 6 show the lifting and lowering states of the movable shelter by the conventional lifting device, with FIG. 5 being a front view thereof and FIG. 6 being a side view thereof. 1...1~Rack 2...Loading platform 7...Elevating device 8...Support arm 10...Elevating mechanism 11...Elevating leg 17...Holding means S...Moving shelter first Figure 4 Figure 7S Figure 5 S Figure 6 Door

Claims (1)

[Scope of Claims] An elevating device between the loading platform and the ground of a mobile shelter loaded and transported on the loading platform of a transportation means such as a truck, comprising support arms pivotally connected to respective corners of the mobile shelter; Holding means is disposed between the support arm and the movable shelter, and positions the support arm in an extended position where the distal end protrudes beyond the width of the loading platform and a storage position where it can be rotated and stored on the loading platform. and a lifting mechanism having lifting legs that are assembled to the tip of the support arm and are moved up and down from the ground to a height that exceeds the height level of the loading platform. Lifting device.