JP2004066869A - Sheet device for load-carrying platform - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sheet device for a load-carrying platform, enabling the loading and unloading of a cargo from above the platform using a crane to perform efficient loading and unloading of the cargo by using a sheet, and performing efficient work of spreading the sheet to cover the platform and folding the spread sheet for storage by automatically developing the sheet and winding it from its development condition for storage with the use of a motor. <P>SOLUTION: In this sheet device for the platform, a front shaft 2 and a rear shaft 3 are connected with a forward rotation motor 21 and a backward rotation motor 31 which are independent, respectively. A plurality of ropes 6 are stretched between the front shaft and the rear shaft. The sheet 7 is attached to the plurality of ropes. The rope wound around the front shaft and stored and the sheet are reeled out while winding the rope by the rear shaft to develop the sheet. On the contrary, the rope and the sheet are wound from the sheet development condition by the front shaft to reel out the rope wound around the rear shaft to wind and store the sheet into a condition where the load-carrying platform 9 is opened. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a luggage seat device capable of expanding a sheet so as to cover a luggage carrier of a lorry, and winding and storing the unfolded sheet from the expanded state.
[0002]
[Prior art]
As a means for protecting luggage loaded on a truck bed of a lorry, there is a method of spreading a sheet so as to cover the truck bed.
[0003]
Further, there is a method in which a carrier of a lorry is formed in a box shape (for example, a container), and a load is loaded inside the box type carrier.
[0004]
[Problems to be solved by the invention]
However, in the method of unfolding the sheet so as to cover the bed, this is manually performed, so that it takes a lot of time to spread the sheet and cover the bed, or conversely, fold and store the spread sheet. And labor, and the workability is poor.
[0005]
In addition, in the method of loading the load inside the box-type carrier, it is necessary to open the door formed on the side surface or the rear surface of the box-type carrier when loading / unloading the load, and perform the operation of loading / unloading from there.
Depending on the load, it is often more efficient to use a crane to load and unload the cargo from above the loading platform.In such a case, the top of the conventional box-type loading platform is closed, Can not be loaded and unloaded. Therefore, there is a problem that the load cannot be unloaded from above using a crane, resulting in poor workability.
[0006]
The present invention has been made in order to solve such a conventional problem. By using a sheet, loading and unloading of a load can be performed by using a crane from above a loading platform, so that loading and unloading of a load can be performed efficiently. Be able to do it.
Further, by automatically expanding the sheet by using a motor, or by winding and storing the sheet from its expanded state, the sheet can be spread and covered on a carrier, or, on the contrary, the expanded sheet can be folded and folded. It is an object of the present invention to provide a carrier sheet device capable of efficiently performing an operation such as storage.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, a sheet device for a carrier of the present invention (claim 1)
A luggage carrier sheet device capable of expanding a sheet so as to cover a luggage carrier and winding and storing the unfolded sheet. And the front shaft is supported, and the rear shaft is supported by supporting the rear shaft by traversing in the width direction of the carrier above the rear part of the carrier.
The front shaft and the rear shaft are connected to independent forward and reverse rotation motors respectively,
While passing multiple ropes between the front axis and the rear axis, seats are mounted on these multiple ropes,
While rolling up each rope with the rear shaft, unwinding each rope and sheet that has been wound and stored on the front shaft, the sheet is developed to cover the loading platform,
While winding each rope and sheet on the front shaft from this sheet unfolded state, by unwinding each rope wound on the rear shaft, the sheet is wound up and stored in a state where the loading platform is opened, and did.
[0008]
Further, the loading sheet device of the present invention (claim 2)
In the seat device for a carrier (claim 1), the seat is mounted on the rope by forming a plurality of tubular portions extending in the direction in which the rope extends in the seat, and inserting each rope into each of the tubular portions. Formed as follows.
[0009]
Further, the loading sheet device of the present invention (Claim 3)
In the loading sheet device (claim 1 or 2), each rope is formed by a front rope having a front end attached to a front shaft and a rear rope having a rear end attached to a rear shaft. The front end of the rear rope is detachably connected, and the seat is mounted on the front rope.
[0010]
Further, the loading sheet device of the present invention (Claim 4)
In the loading sheet device (claim 1 or 2 or 3), a plurality of take-up drums are attached to the rear shaft, flanges are formed at both ends of the take-up drum, and each rope is attached to each take-up drum. It was configured to be wound up.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to examples shown in the drawings.
FIG. 1 is a plan view of a truck equipped with a luggage seat device according to one embodiment of the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a plan view showing the luggage seat device.
[0012]
In the figure, A is a lorry, and its pallet 9 is equipped with the pallet seat device 1.
The loading platform 9 is provided with a rear door 90 at a rear end thereof, side doors 91 and 91 at both side ends thereof, and a front plate 92 called a torii gate at a front end thereof.
[0013]
In the seat device 1 for a carrier, the front shaft 2 is supported laterally above the front portion of the carrier 9 in the width direction of the carrier, and the rear shaft is supported laterally above the rear portion of the carrier 9 in the width direction of the carrier. 3 is supported.
In this case, a frame 40 is attached to the upper end of the front plate 92, bearings 20 are attached to both ends of the frame 40, both ends of the front shaft 2 are supported between the bearings 20, 20, and One end of the shaft 2 is connected to a forward / reverse rotation motor 21 attached to one end of the frame 40.
[0014]
On both sides of the rear end of the loading platform 9, columns 50, 50 are erected, and the rear shaft 3 is supported between the bearings 30, 30 mounted on the upper ends of the columns 50, 50. One end of 3 is connected to a forward / reverse rotation motor 31 attached to the upper end of one of the columns 50.
The forward / reverse rotation motors 21 and 31 are motors (for example, geared motors) formed so as to be locked when stopped.
The operation levers 22 and 32 of the forward and reverse rotation motors 21 and 31 are collectively arranged on one side of the loading platform 9 so that one operator can operate both the forward and reverse rotation motors 21 and 31 at the same time. Have been.
[0015]
The columns 50, 50 are formed in a double structure in which an upper column 52 is slidably fitted inside a lower column 51 fixed to the loading platform 9, and the upper column 52 is slid vertically. It is formed so that it can expand and contract. The upper support 52 is fixed to the lower support 51 by a stopper 53.
[0016]
A pedestal 55 rotatable in the horizontal direction by a vertical axis 54 is attached to an upper end of one of the columns 50, and the forward / reverse rotation motor 31 and one bearing 30 are attached to the pedestal 55.
At the upper end of the other column 50, a pedestal 56 is provided which can be attached to and detached from the column 50 by locking means (for example, a set screw or a set pin), and the other bearing 30 is mounted on the pedestal 56. I have.
Accordingly, if the locking means is released and the pedestal 56 is separated from the other support column 50, and the rear shaft 3 is turned in the horizontal direction around the vertical axis 54 as shown in FIG. The shaft 3 can be avoided from the rear position of the carrier 9 to a position outside the carrier 9.
[0017]
A plurality of (four in this embodiment) ropes 6 are passed between the front shaft 2 and the rear shaft 3, and a seat 7 is mounted on the plurality of ropes 6.
In this case, the rope 6 is formed by a front rope 60 having a front end attached to the front shaft 2 and a rear rope 61 having a rear end attached to the rear shaft. The rear end of the front rope 60 and the front end of the rear rope 61 Are detachably connected by a connection fitting 62.
[0018]
The front end of the front rope 60 is directly fixed to the front shaft 2, and the rear shaft 3 is provided with a plurality of (four in the embodiment) winding drums 33 corresponding to the number of the ropes 6. The winding drum has flanges 34, 34 formed at both ends, and is formed so as to wind up the rear rope 61 inside the flanges 34, 34.
[0019]
The seat 7 is mounted on the front rope 60. In this case, a plurality of tubular portions 70 extending in the extending direction of the rope 6 are formed in the seat 7 to have a narrow width. The seat 7 is attached by inserting the front rope 60.
The length of the sheet 7 is longer than the length of the loading platform 9, and the width of the sheet 7 is wider than the width of the loading platform 9. 9 is formed so as to be able to cover sufficiently.
Further, rubber bands 73 are attached to both side edge portions of the sheet 7 for pulling looseness of a hem portion when the sheet 7 is put on the carrier 9.
[0020]
When the loading platform 9 is covered with the sheet 7, the forward / reverse rotation motor 31 is driven (for example, forward rotation), and the ropes 6 are wound around the rear shaft 3 while simultaneously driving the forward / reverse rotation motor 21 (for example, forward rotation). Then, each of the ropes 6 and the sheet 7 wound up and stored on the front shaft 2 are fed out, so that the sheet 7 is developed so as to cover the loading platform 9.
[0021]
When the sheet 7 is wound up and stored, the forward / reverse rotation motor 21 is driven (for example, reverse rotation) from the sheet unfolded state, and the forward / reverse rotation motor 21 is simultaneously wound up by the front shaft 2 while each rope 6 and the sheet 7 are wound up. By driving (for example, reversing) 31 and unwinding each rope 6 wound on the rear shaft 3, the sheet 7 is wound up and stored in a state where the loading platform 9 is opened.
At this time, the overhang portions 71, 71 provided on the left and right sides of the sheet 7 are folded inward and wound up together with the rope 6, as shown in FIG.
[0022]
As described above, in the loading sheet device 1 of the present embodiment, the sheet 7 is unfolded on the loading platform 9 by winding and unwinding the rope 6 and the sheet 7 by driving the forward / reverse rotation motors 21 and 31, and conversely, It can be wound up and stored.
In particular, since the sheet 7 is attached to the rope 6, the sheet 7 can be reliably wound and unwound with the winding and unwinding of the rope 6.
Therefore, it is possible to efficiently perform the work of spreading the sheet 7 to cover the loading platform 9 or folding and storing the spread sheet 7.
In addition, since the loading and unloading of the load can be performed from above the loading platform 9 using a crane, the load can be efficiently loaded and unloaded.
[0023]
At this time, the front shaft 2 and the rear shaft 3 are driven by independent forward / reverse rotation motors 21 and 31, respectively, so that the winding diameter of the rope 6 or the sheet 7 accompanying the change of the winding diameter of the rope 6 or the sheet 7 is changed. The slack and tension can be eliminated while being adjusted by the forward and reverse rotation motors 21 and 31, so that the sheet 7 can be appropriately developed on the loading platform 9 or wound up and stored.
[0024]
Further, since the winding drum 33 is provided on the rear shaft 3, the rope 6 can be wound inside the flanges 34, 34 of the winding drum 33, and the winding disturbance due to the rope 6 swinging right and left can be prevented. be able to.
[0025]
Further, since the rope 6 is formed of the front rope 60 and the rear rope 61 which are detachably connected, the sheet 7 is wound up and stored, and then the front rope 60 and the rear rope 61 are separated by the connection fitting 62. If the rear rope 61 is wound up, the rope 6 does not exist on the loading platform 9 and the rope 6 does not hinder the loading and unloading of the load.
[0026]
Further, as shown in FIG. 3, the rear shaft 3 can be turned in the horizontal direction, so that the rear shaft 3 can be avoided from the rear position of the loading platform 9 to the external position of the loading platform 9 and from the rear of the loading platform 9. But you will be able to load and unload your luggage.
[0027]
Further, since the rope 6 is inserted through the tubular portion 70 formed on the sheet 7 and the sheet 7 is mounted on the rope 6, the attachment and detachment of the sheet 7 to and from the rope 6 are simplified, and the sheet 7 It is convenient for repairing and replacing the rope 6 and washing.
[0028]
In the present invention, it is possible to appropriately provide a cover or the like so as to cover the sheet 7 wound up and stored on the front shaft 2, and the specific configuration of each part is limited to the embodiment. Not something.
[0029]
【The invention's effect】
As described above, in the luggage seat apparatus of the present invention (claim 1), since the sheets are used, the loading and unloading of the luggage can be performed by using the crane from above the luggage, Loading and unloading of luggage can be performed efficiently.
In addition, since the sheet can be automatically expanded by the motor drive, and can be wound and stored from the expanded state, it is possible to efficiently perform operations such as spreading the sheet and covering it on the carrier, and folding and storing the expanded sheet. it can.
In particular, since the sheet is attached to the rope, the sheet can be reliably wound and unwound with the winding and unwinding of the rope.
Furthermore, since the front shaft and the rear shaft are driven by independent forward and reverse rotation motors, the slack and tension of the rope and sheet due to the change in the winding diameter of the rope and sheet are adjusted by both forward and reverse rotation motors. In this way, the sheet can be appropriately unfolded on the carrier or wound up and stored.
[0030]
Further, since the rope is formed so as to be inserted into the tubular portion formed on the sheet and the sheet is mounted on the rope (claim 2), the attachment and detachment of the sheet to and from the rope are simplified, and the sheet and the rope Repair, replacement, washing, etc. become convenient.
[0031]
Also, since the rope is formed of a front rope and a rear rope which are detachably connected (claim 3), after winding and storing the sheet, the front rope and the rear rope are separated by a connecting bracket, If the rear rope is wound up, there is no rope on the bed, and the rope does not hinder the loading and unloading of luggage.
[0032]
Further, since the winding drum is provided on the rear shaft (claim 4), the rope can be wound within the flange of the winding drum, and winding disturbance due to the rope swaying left and right can be prevented. .
[Brief description of the drawings]
FIG. 1 is a plan view of a lorry equipped with a carrier sheet device according to an embodiment of the present invention.
FIG. 2 is a side view thereof.
FIG. 3 is a plan view showing a loading sheet device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Carriage seat apparatus 2 Front shaft 20 Bearing 21 Forward / reverse rotation motor 22 Operation lever 3 Rear shaft 30 Bearing 31 Forward / reverse rotation motor 32 Operation lever 33 Winding drum 34 Flange 40 Frame 50 Column 51 Lower column 52 Upper column 53 Stopper 54 Vertical axis 55 Pedestal 56 Pedestal 6 Rope 60 Front rope 61 Rear rope 62 Connecting bracket 7 Seat 70 Tubular part 71 Overhanging part 73 Rubber band 9 Loading bed 90 Rear door 91 Side door 92 Front plate A Truck

Claims (4)

A luggage carrier sheet device that unfolds a sheet so as to cover a luggage carrier of a lorry, and is capable of winding and storing the unfolded sheet,
Along the front of the carrier in the width direction of the carrier to support the front shaft, and horizontally above the rear of the carrier in the width direction of the carrier to support the rear shaft,
The front shaft and the rear shaft are connected to independent forward and reverse rotation motors respectively,
While passing multiple ropes between the front axis and the rear axis, seats are mounted on these multiple ropes,
While rolling up each rope with the rear shaft, unwinding each rope and sheet that has been wound and stored on the front shaft, the sheet is developed to cover the loading platform,
From this sheet unfolded state, by winding each rope and the sheet on the front shaft while unwinding each rope wound on the rear shaft, the sheet is wound up and stored in a state where the carrier is opened. Characterized seating equipment for loading platforms. 2. The loading sheet device according to claim 1, wherein a plurality of tubular portions are formed on the sheet in the direction in which the rope extends, and the rope is inserted into each of the tubular portions so that the sheet is mounted on the rope. The sheet device for the carrier formed in. 3. The luggage carrier sheet device according to claim 1, wherein each rope is formed by a front rope having a front end attached to a front shaft and a rear rope having a rear end attached to a rear shaft. A seat device for a carrier, wherein a front end of a side rope is detachably connected, and the sheet is mounted on the front rope. 4. The loading sheet device according to claim 1, wherein a plurality of winding drums are attached to the rear shaft, flanges are formed on both ends of the winding drum, and each rope is wound by each of the winding drums. A loading sheet device designed to be picked up.

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