JP2003048478A - Cargo transporter for motortruck - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem that a cargo is not loaded on a floor face of a load-carrying platform 1 positioned with a platform 6, since the platform 6 is positioned on the floor face of the load-carrying platform 1 in a stored condition, in a cargo transporter for a motortruck A provided with arms 3, 4 of which the respective base end parts are arranged horizontally turnably in a rear end upper part of the load-carrying platform in the motortruck A by a stanchion, an elevation post 5 attached horizontally turnably to tip parts of the arms 3, 4 to make the tip parts elevatable vertically in a lower side of the arms 3, 4, and a platform 6 attached to a tip part of the post 5. SOLUTION: In this cargo transporter for the motortruck of the present invention, a space 10 is provided to store the platform 6 in a rear end lower part of the load-carrying platform 1, one portion in a rear end of the load- carrying platform 1 is cut out to form a cut-out part 12 to store the elevation post 5, and the platform 6 is stored in the space 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a load carrying device for a freight vehicle.

[0002]

2. Description of the Related Art As a cargo carrying device for a freight vehicle of this type, a cargo carrying device for a freight vehicle having a van type cargo bed whose peripheral surface is covered with an aluminum plate is shown in FIGS. . In FIG. 3, the rear end surface of the loading platform 1 is a left and right hinged door 1a, 1a, and the hinged doors 1a, 1a are opened and closed so that luggage can be taken in and out. At the rear end of the loading platform 1, the vertical support columns 2 are provided along both side surfaces of the rear end.
A pair of right and left b and 2b are arranged, and a gate-type support 2 in which an upper beam 2a is laid horizontally along the upper surface of the loading platform 1 is attached to the upper end of each support. In the upper beam 2a of the gate-shaped support 2,
The base end of the first arm 3 is connected to the upper beam 2a (upper beam 2
a is composed of a guide rail. ) Is mounted so that it can be moved and horizontally swiveled. The base end of the second arm 4 is attached to the tip of the first arm 3 so as to be horizontally rotatable. As shown in FIG. 5, the second arm 4 is arranged at the tip of the first arm 3 so that the second arm 4 can be folded under the first arm 3 so as to be overlapped depending on the horizontal turning position. is doing. An elevating post 5 is attached to the tip of the second arm 4 so as to be horizontally rotatable.

The elevating post 5 comprises an outer post 5a and an inner post 5b. The inner post 5b is telescopically fitted in the outer post 5a, and the base end (upper part) of the outer post 5a is attached to the second arm 4. It is attached to the tip so that it can rotate horizontally. An elevating cylinder 5c is inserted between the outer post 5a and the inner post 5b so that the inner post 5b can be expanded and contracted with respect to the outer post 5a. In this way, the elevating post 5 is formed by the outer post 5a, the inner post 5b, and the elevating cylinder 5c.

A platform 6 for loading luggage is attached to the tip (lower part) of the inner post 5b. The platform 6 is configured to be a double-folded foldable type, and can be folded to be compact when stored.

A turning drive device is arranged (not shown) between the upper beam 2a and the first arm 3, and the first arm 3 is moved relative to the vertical post 2 by driving the turning drive device.
Can be driven to rotate horizontally by power. The horizontal swing movement of the second arm 4 with respect to the first arm 3 and the horizontal swing movement of the lifting post 5 with respect to the second arm 4 are manually performed.

The loading and unloading of luggage by such a luggage carrier of a freight vehicle is performed as follows. For example, as shown in FIG. 3, a case will be described below in which a freight vehicle A is parked on the roadside of a road and cargo on the sidewalk is loaded into the freight vehicle A. Guardrail B and planted C between the road and sidewalk
There is.

First, the hinged doors 1a, 1a at the rear end of the loading platform 1 are opened, the lifting cylinder 5c of the lifting post 5 is contracted, and the inner post 5b is raised, so that the platform 6 is lifted from the floor of the loading platform 1. After that, the first arm 3 and the second arm 4 are driven to rotate, and the elevating post 5 is horizontally rotated to move the platform 6 to the sidewalk side across the guardrail B and the plant C as shown in FIG. (It is moved to the position (b) in FIG. 4.) Then, the inner post 5b of the elevating post 5 is extended to elevate the elevating cylinder 5c to lower the inner post 5b, thereby moving the platform 6 to the ground of the sidewalk. .

Loads are loaded on the platform 6, and the lifting cylinder 5c is contracted to raise the inner post 5b to lift the platform 6 to a height exceeding the guard rail B and the implant C. Then, the first arm 3 and the second arm 4 are driven to rotate, and the elevating post 5 is horizontally rotated to straddle the guardrail B and the implant C, and to the rear of the platform 1 (position (a) in FIG. 4). Move 6

Next, the inner post 5b is moved to the elevating cylinder 5c.
And the inner post 5b is raised to lift the platform 6 to a position above the floor surface of the bed 1. After that, the first arm 3 and the second arm 4 are driven to rotate, and the elevating post 5 is horizontally rotated to move the platform 6 to a position (position (c) in FIG. 4) near a position where the luggage 1 is loaded. Then, the inner post 5b of the elevating post 5 is extended by the elevating cylinder 5c to lower the inner post 5b to lower the platform 6 onto the floor surface of the loading platform 1 and lower the load from the platform 6 to the loading platform 1.

After the load is unloaded, the elevating post 5, the first arm 3, and the second arm 4 are appropriately operated to move the platform 6 to the storage state position shown in FIGS. 5 and 6. Then, the hinged doors 1a, 1a are closed. When unloading luggage from the loading platform 1, the procedure is reversed.

As described above, in the cargo carrier of the freight vehicle, the platform 6 for loading the cargo is mounted on the first arm 3 and the second arm 2.
The arms 4 and the elevating posts 5 allow not only the rear end position of the luggage carrier 1 but also a position in the vicinity of the luggage carrier 1 to a proper position of the luggage carrier 1 (in the range of (a) to (d) of FIG. 4). Therefore, when loading and unloading luggage on a freight vehicle, it is used to reduce the troublesome movement of luggage as much as possible.

[0012]

By the way, as shown in FIG. 5 and FIG.
The platform 6 is positioned and stored on the floor surface of. Therefore, although the platform 6 is folded and the platform 6 is located at the storage position, the portion where the platform 6 is located on the floor surface of the luggage platform 1 cannot be loaded with luggage, and the floor surface of the luggage platform 1 is not loaded. It has a problem that it cannot be used effectively. It is an object of the present invention to provide a cargo carrying device for a freight vehicle that solves such problems.

[0013]

In order to achieve the above object, the cargo carrier for a freight vehicle according to claim 1 of the present invention is capable of horizontally swinging a base end portion above a rear end of a freight vehicle by a prop. Freight vehicle including an arm attached to the arm, an elevation post that is attached to the tip of the arm so that the tip can move horizontally, and can vertically move the tip below the arm, and a platform attached to the tip of the elevation post. Of the luggage carrier of claim 1, wherein a space is provided at the lower end of the rear end of the loading platform so that the platform can be stored, and a part of the rear end of the loading platform is notched to store an elevating post there, and the platform is stored in the space. It is characterized by being configured as described above.

According to a second aspect of the present invention, there is provided a cargo transport device for a freight vehicle according to the first aspect, wherein a guide rail for guiding the platform when the platform is stored is provided in the space. It is characterized by being arranged.

According to a third aspect of the present invention, there is provided a cargo transport device for a freight vehicle according to the first or second aspect, wherein the arm comprises a first arm and a second arm. The first arm is attached to the upper rear end of the loading platform so that the base end can be horizontally swiveled, and the second arm is so attached that the base end can be horizontally swiveled to the tip of the first arm. It is characterized by being installed as much as possible.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION The cargo of a cargo vehicle A equipped with a van type cargo carrier whose peripheral surface is covered with an aluminum plate as described in the prior art in the embodiment of the cargo carrier for a cargo vehicle according to the present invention. The carrying device will be described below with reference to FIGS. It should be noted that the reference numerals 1 to 6, the reference numerals 2a to 2c, and the reference numerals 5a to 5c used in the conventional technique are the same in the following description, and the same reference numerals are used and the detailed description is omitted.

In FIG. 1 and FIG. 2, reference numeral 10 is a luggage carrier 1.
It is a space provided at a lower portion of the rear end of the vehicle, and is a space provided for storing the folded platform 6. 11
Is a guide rail provided in the space 10 for guiding and supporting both ends of the folded platform 6. 12
Is a notch provided at the rear end of the loading platform 1, and is a guide rail 1
When the platform 6 is stored in the space 10 while being guided by 1, the elevating post 5 is positioned in the notch 12 so that the elevating post 5 does not protrude from the rear end of the cargo vehicle A in the retracted state. Even if 1a and 1a are closed, the lifting post 5 and the hinged doors 1a and 1a do not interfere with each other.

The cargo carrying device for a freight vehicle according to the present invention constructed as described above operates as follows. First, the case where the working state is changed to the storage state will be described. The first arm 3, the second arm 4, and the elevating post 5 are appropriately horizontally rotated to move the platform 6 to the rear of the platform 1. Then, the elevating cylinder 5c is appropriately expanded and contracted so that the inner post 5b is moved up and down with respect to the outer post 5a so that the guide rail 11 faces the platform 6.

Next, the first arm 3, the second arm 4, and the elevating post 5 are appropriately horizontally rotated to guide the guide rail 1.
1 to guide the platform 6 into the space 10. Then, position the lifting post 5 in the notch 12,
The hinged doors 1a, 1a are closed and the freight vehicle A is moved.

On the contrary, when the storage state is changed to the working state, contrary to the above, the hinged doors 1a, 1a are opened, and the first arm 3, the second arm 4, and the elevating post 5 are appropriately horizontally swiveled, and the platform 6 is rotated. While being guided by the guide rail 11, the withdrawal is performed from the stored state, and the first arm 3, the second
The arms 4 and the elevating posts 5 are horizontally swiveled and the elevating posts 5 are moved up and down to move the platform 6 close to a place where there is a load, so that loading or unloading work is performed.

As described above, the cargo carrying device for a freight vehicle according to the present invention, as shown in FIGS. 1 and 2, stores the platform 6 in the space 10 provided at the lower end of the rear end of the luggage carrier 1. Therefore, since the floor surface of the luggage carrier 1 is not occupied by the platform 6, the luggage can be loaded on the entire floor surface of the luggage carrier 1.

Since the stored platform 6 is guided and supported by the guide rails 11,
It can be supported and stored so as not to shake due to vibration when the freight vehicle A travels.

Since the lift post 5 is positioned in the notch 12, the lift post 5 is prevented from protruding from the rear end of the cargo vehicle A in the retracted state, and the hinged doors 1a, 1a are closed. Also, the lifting post 5 and the hinged doors 1a, 1a can be prevented from interfering with each other.

In the above embodiment, the guide rail 11
However, the present invention may be one in which the guide rail 11 is not provided and the platform 6 is stored in the space 10.

Further, in the above embodiment, the horizontal swing movement of the second arm 4 with respect to the first arm 3 and the second arm 4 are performed.
Although the horizontal swing motion of the lifting post 5 is manually performed with respect to the above, the horizontal swing drive device may be appropriately arranged to drive the horizontal swing by power.

Further, in the above-mentioned embodiment, the case where the arm is composed of the first arm 3 and the second arm 4 and is of a bendable type has been described. However, the arm is composed of only the first arm 3. Good. In this case, the elevating post 5 may be attached to the tip of the first arm 3 so as to be horizontally rotatable.

Next, a grounding detector for detecting that the platform 6 is grounded on the ground or the floor of the bed 1 is arranged on the platform 6, and when the grounding detector detects that the platform 6 is grounded, Alternatively, a safety device arranged to stop the extension drive of the lifting cylinder 5c may be arranged. By disposing this safety device, even if the elevating cylinder 5c of the elevating post 5 is extended and the inner post 5b is lowered to ground the platform 6 even if the elevating cylinder 5c is continued to extend by mistake, It is possible to prevent damage to the luggage carrier of the freight vehicle.

In the description of the above-mentioned embodiment, the pillar is composed of the gate-shaped pillar 2, but the pillar may be a pillar standing on the rear end of the luggage carrier 1. Further, in the description of the above-described embodiment, the gate-type support 2 is attached to the rear end portion of the van type carrier 1, but it may be mounted on the flat body type carrier. In this case, the notch 12 prevents the lifting column 5 from projecting from the rear end of the luggage carrier 1. Therefore, it is possible to avoid the interference with the warp at the rear end of the luggage carrier and open and close the tension. However, when the raising / lowering post 5 is taken out from the notch 12, it is necessary to remove the slant.

Although the platform 6 has a flat plate structure in the above embodiment, it may have a fork-shaped structure for carrying pallets shown in FIG. Also in this case, a pallet-carrying fork-shaped structure may be guided by the guide rail 11 and stored.

[0030]

As described above, the cargo carrier for a freight vehicle according to the first aspect of the present invention allows the platform to be stored in the space provided at the lower end of the rear end of the cargo bed. Therefore, the floor surface of the cargo bed is occupied by the platform. Since it does not happen, luggage can be loaded on the entire floor of the loading platform. Further, since the lifting post is positioned in the notch, it is possible to prevent the lifting post from protruding from the rear end of the freight vehicle in the retracted state.

In the cargo carrier for a freight vehicle according to claim 2 of the present invention, since the stored platform is supported by being guided by guide rails, it is supported so as not to shake due to vibration when the freight vehicle travels. It can be stored.

According to the third aspect of the present invention, the cargo carrier for a freight vehicle has the arms composed of the first arm and the second arm. Therefore, the movable range of the platform for loading the cargo should be further widened. You can

[Brief description of drawings]

FIG. 1 is an explanatory view for explaining a stowed state of a cargo carrying device for a freight vehicle of the present invention in a plan view of only a cargo bed portion.

FIG. 2 is an explanatory view for explaining a stowed state of the cargo carrying device of the freight vehicle of the present invention in a rear view.

FIG. 3 is an explanatory view for explaining an operating state of a cargo carrying device of a freight vehicle from a rear view.

FIG. 4 is an explanatory view for explaining an operation range of a cargo carrying device of a freight vehicle in a plan view of only a bed portion.

FIG. 5 is an explanatory view for explaining a stored state of a conventional cargo carrier for a freight vehicle in a plan view of only a cargo bed portion.

FIG. 6 is an explanatory view for explaining a stored state of a conventional cargo carrier for a freight vehicle from a rear view.

7A and 7B are explanatory views for explaining an embodiment in which the platform of the cargo carrying device for a freight vehicle of the present invention is configured by a pallet fork, FIG. 7A is a side view, and FIG. 7B is a plan view.

[Explanation of symbols]

2 props 3 first arm 4 second arm 5 Lifting post 6 platforms 10 spaces 11 Guide rail 12 notches A freight vehicle

Claims (3)

[Claims] 1. An arm having a base end portion horizontally attached to an upper portion of a rear end of a cargo carrier of a freight vehicle by a column, and a tip end portion of the arm attached to the tip end portion of the arm so that the tip end portion is vertically lowered below the arm. A cargo carrier for a freight vehicle comprising a movable lifting post and a platform mounted on the tip of the lifting post, wherein a space is provided at the lower end of the rear end of the loading platform for storing the platform, and a rear end of the loading platform is provided. A cargo carrying device for a freight vehicle, characterized in that a part of the above is notched and an elevating post is stored therein, and the platform is stored in the space. 2. The cargo carrier for a freight vehicle according to claim 1, wherein a guide rail for guiding the platform when the platform is stored is arranged in the space. 3. The arm is composed of a first arm and a second arm, the first arm is attached to the upper rear end of the loading platform by a pillar so that the base end can be horizontally swiveled, and the second arm has the base end. 3. The cargo carrying device for a freight vehicle according to claim 1, wherein the lifting post is horizontally swingably attached to a tip end portion of one arm.