JP2020097296A - Transportation dolly - Google Patents

Abstract

To provide a transportation dolly that can transport goods by using pallets.SOLUTION: A transportation dolly 10 includes a rectangular load-carrying platform 1 and plural column holding members 2. Also, the transportation dolly 10 includes four columns 3 and plural wheels 41w and 42w. Long goods can be mounted on the load-carrying platform 1. Also, a pallet Pt can be mounded on the upper surface of the load-carrying platform 1. The load-carrying platform 1 includes pairs of restriction members 5 and 5 on both side surfaces. The restriction members 5 and 5 can restrict movement of the pallet Pt mounted on the upper surface of the load-carrying platform 1. The columns 3 can be detachably inserted into the respective column holding members 2. The plural columns 3 restrict movement of goods and therefore can prevent the goods from shifting. The transportation dolly 10 can transfer long goods and can transfer the goods by using the pallet Pt.SELECTED DRAWING: Figure 1

Description

The present invention relates to a carriage. In particular, the present invention relates to a structure of a carrier truck that is equipped with a plurality of traveling wheels on a carrier and can be steered manually.

The carrier is equipped with a plurality of traveling wheels on the carrier and is manually steered so that the luggage can be easily carried while being carried on the carrier. For example, a carrier truck for carrying luggage such as a long steel material has columns provided upright at four corners of the luggage carrier in order to prevent collapse of the cargo. In addition, such a carriage is configured such that when carrying a large load that protrudes from the loading platform, these columns can be pulled out from the loading platform and removed.

In addition, by stacking multiple carts in the height direction with the columns removed from the platform, the multiple carts can be compactly stored and the removed columns can be stored on the platform. A dolly is disclosed (for example, refer to Patent Document 1).

JP, 2016-168868, A

FIG. 5 is a perspective view showing the structure of a conventional carrier. FIG. 6 is a perspective view showing a configuration of a conventional carrier truck, and is a state diagram in which a plurality of carrier trucks are stacked in a height direction. Note that FIGS. 5 and 6 of the present application correspond to FIGS. 1 and 7 of Patent Document 1.

Referring to FIG. 5, the conventional carrier truck 9 includes a rectangular loading platform 91 and a pair of square columnar column supporting members 92. Further, the carrier 9 is provided with four quadrangular cylindrical pillars 93 and four wheels 94w. On the luggage carrier 91, for example, a luggage such as a long steel material can be placed. The pair of pillar holding members 92, 92 are fixed to the side surface of the luggage carrier 91 in a state of being arranged to face each other. The four wheels 94w are fixed to the bottom surface of the loading platform 91.

Referring to FIG. 5, the loading platform 91 includes a rectangular frame 91f and a mounting plate 91t. The frame 91f is formed in a frame shape in which end portions of shaped steel members having a recess 911 opened on one side surface are joined to each other. The mounting plate 91t is fixed to the upper surface of the frame 91f. Luggage can be placed on the loading plate 91t. The column 93 removed from the column holding member 92 can be accommodated in the recess 911 in the direction of the arrow in the figure.

Further, referring to FIG. 5, the luggage carrier 91 includes a pair of stays 91s and 91s. The stay 91s is fixed to a substantially central portion of the frame 91f in the longitudinal direction. The stays 91s hold the intervals in the height direction of the recesses 911. Further, the stay 91s has a partition piece (not shown) that protrudes toward the recess 911. The column 93 accommodated in the recess 911 abuts on a partition piece (not shown) to restrict the movement of the column 93.

With reference to FIG. 5 or FIG. 6, the column holding member 92 includes a leg portion 921 having a truncated pyramid shape, a main body portion 922 having a square tubular shape, and a fitting portion 923 having a square tubular shape. The leg portion 921 is formed on the lower portion of the main body portion 922. The fitting portion 923 is formed on the upper portion of the main body portion 922. The support column 93 can be detachably fitted into the fitting portion 923 (see FIG. 5 ). Further, the fitting portion 923 can have the upper end portion thereof fitted into the bottom portion of the leg portion 921 (see FIG. 6 ).

Referring to FIG. 5, the column holding member 92 further includes a moving plate 92m. The moving plate 92m is joined to the main body 922 of the support column holding member 92 by welding. The column holding member 92 and the moving plate 92m can move integrally. The moving plate 92m can be guided and moved by a pair of rails 91r and 91r arranged along the longitudinal direction of the frame 91f. The moving plate 92m can be fixed to the pair of rails 91r and 91r by using a plurality of screw members, and the position of the column holding member 92 with respect to the frame 91f can be fixed.

Referring to FIG. 5, the moving plate 92m is arranged so as to cover the opening side of the recess 911. As a result, it is possible to prevent the columns 93 housed in the recess 911 from falling off. Further, the total length D1 of the column support member 92 (see FIG. 6) is set larger than the distance D2 (see FIG. 5) from the outer peripheral surface of the wheel 94w to the upper surface of the mounting plate 91t. This can prevent the wheels 94w from coming into contact with the mounting plate 91t when the plurality of transport vehicles 9 are stacked.

Referring to FIG. 5, normally, in the carrier truck 9, the luggage is placed on the luggage carrier 91 in a state in which the pillar 93 is connected to the pillar holding member 92. Then, the carrier 91 can be moved to a predetermined position by steering the loading platform 91 (or pushing the luggage). In this case, by connecting the support column 93 to the support column holding member 92, even if a long-sized luggage such as a steel material is placed on the luggage carrier 91, the plurality of the support columns 93 regulate the movement of the luggage, so that the load collapses. Can be prevented.

On the other hand, referring to FIG. 6, when the carrier vehicles 9 are not used, a plurality of carrier vehicles 9 can be stacked and stored. In this case, the support column 93 can be removed from the support column holding member 92, and the removed support column 93 can be housed in the recess 911 provided on the side surface of the luggage carrier 91.

As described above, in the transport carriage 9 according to Patent Document 1, the plurality of transport carriages can be compactly stored by stacking the plurality of transport carriages in the height direction in a state where the support pillars are pulled out from the loading platform, and the removed support pillars. Can be stored in the luggage carrier.

The carrier truck according to Patent Document 1 is convenient for carrying a long luggage. However, in logistics, pallets without wheels are often used. The use of pallets facilitates cargo handling work in factories or shipping companies. Further, by using a forklift, a fork (claw) can be inserted into a leg portion of the pallet to lift a heavy load loaded on the pallet, and the heavy load can be transported and moved.

Thus, there is a need for a carriage that is not limited to carrying a long piece of luggage and can also carry a luggage using a pallet. The above is the subject of the present invention.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a carrier truck that can carry long packages and can also carry packages using a pallet. ..

The present inventor configures a carrier truck with a rectangular loading platform configured by a frame having a flat upper surface, a plurality of column holding members protruding from the upper faces of both ends of the loading platform, and columns that can be detachably inserted into the column holding members. However, by providing a plurality of regulating members for regulating the movement of the pallet placed on the upper surface of the loading platform on both side surfaces, it is possible to carry a long luggage and also to carry the luggage using the pallet. Based on this, the inventors have invented the following new carriage.

(1) A carrier truck according to the present invention comprises a rectangular cargo bed constituted by a frame having a flat upper surface in which a plurality of pipe members are joined vertically and horizontally, and a pair of bottomed bottoms protruding from the upper surfaces of both ends of the cargo bed. A pallet mounted on the top surface of the pallet mounted on a top surface of the stanchion holding member, a stanchion that can be removably inserted into the stanchion holding member, and a plurality of wheels fixed to the bottom surface of the pallet. Has a plurality of regulating members for regulating the movement of the.

(2) The regulation member may be a U-shaped member in which the connecting portion projects from the upper surface of the luggage carrier and both ends are joined to the side surface of the luggage carrier.

(3) It is preferable that the cargo bed has a pair of C-shaped members provided at the bottom thereof, the C-shaped members having the pawls provided on the forklift so that the pawls can be opened.

(4) It is preferable that the carrier according to the present invention further includes a rubber sheet fixed to the upper surface of the luggage carrier.

(5) The strut holding member has a truncated cone-shaped leg portion arranged so as to project from the bottom surface of the cargo bed, and a first distance from the upper end surface of the strut holding member to the bottom surface of the leg portion. Is preferably set to be larger than the second distance from the outer peripheral surface of the wheel to the upper surface of the luggage carrier.

The carrier truck according to the present invention is a carrier truck having a rectangular loading platform composed of a frame having a flat upper surface, a plurality of column holding members projecting from the upper surfaces of both ends of the loading platform, and columns that can be detachably inserted into the column holding members. By configuring the cargo bed with a plurality of regulating members for regulating the movement of the pallet placed on the upper surface of the cargo bed, long cargo can be transported and the cargo can be loaded using the pallet. It can also be transported.

It is a perspective view showing composition of a transportation trolley by one embodiment of the present invention. It is a front view which shows the structure of the carrier vehicle by the said embodiment. It is a top view which shows the structure of the carrier vehicle by the said embodiment. It is a top view which shows the structure of the trolley|bogie by the said embodiment, and is a state figure which piled up several trolley|bogie in the height direction. It is a perspective view which shows the structure of the carrier vehicle by a prior art. It is a perspective view which shows the structure of the conventional trolley|bogie, and is a state figure which piled up several trolley|bogie in the height direction.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
[Structure of carrier]
First, the structure of a carrier truck according to an embodiment of the present invention will be described.

(overall structure)
Referring to FIGS. 1 to 4, a carrier 10 according to an embodiment of the present invention includes a rectangular carrier 1 and a pair of bottomed cylindrical columnar support members 2. Further, the carriage 10 includes four cylindrical columns 3 and a pair of wheels 41w and 42w. A luggage such as a long steel material can be placed on the luggage carrier 1. The pair of column holding members 2 and 2 project from the upper surfaces of both ends of the luggage carrier in a state of being arranged to face each other.

Referring to FIG. 1 to FIG. 4, the carrier 1 is composed of a frame 1f in which a plurality of square pipe members are joined vertically and horizontally by welding. The frame 1f has a flat upper surface. The column 3 can be detachably inserted into the column holding member 2. The pair of wheels 41w and 42w are fixed to the bottom surface of the loading platform 1.

With reference to FIGS. 1 to 3, the carrier 10 can place the pallet Pt on the upper surface of the loading platform 1. The luggage carrier 1 has a pair of restricting members 5, 5 on both side surfaces. These restriction members 5, 5 can restrict the movement of the pallet Pt placed on the upper surface of the loading platform 1. The restricting member 5 is preferably a U-shaped member having a connecting portion projecting from the upper surface of the luggage carrier 1 and both ends thereof joined to the side surfaces of the luggage carrier 1 by welding.

Referring to FIG. 1 to FIG. 3, a carrier truck 10 according to an embodiment includes a rectangular carrier 1 configured with a frame 1f having a flat upper surface, a plurality of pillar holding members 2 protruding from upper surfaces of both ends of the carrier 1, and a pillar. It is composed of a support column 3 which can be detachably inserted into the holding member 2. By providing a plurality of regulating members 5 for regulating the movement of the pallet Pt placed on the upper surface of the loading platform 1 on both side surfaces, it is possible to carry a long load and use the pallet Pt to load the load. It can also be transported.

(Structure of loading platform)
Next, the configuration of the luggage carrier 1 according to the embodiment will be described. Referring to FIG. 1 or FIGS. 2 and 4, the luggage carrier 1 includes a pair of C-shaped members 6 and 6 at the bottom. The C-shaped member 6 has a flange edge joined to the bottom surface of the frame 1f by welding. Further, the pair of C-shaped members 6, 6 are open to the side surface side of the frame 1f.

Referring to FIG. 1 or 2, a claw provided on a forklift (not shown) can be inserted into the opening of the C-shaped member 6. Then, a forklift (not shown) can be operated to lift the carrier 10 carrying the luggage, and the carrier 10 can be carried and moved by the forklift (not shown). Further, the carrier 10 on which the pallet Pt is placed can be carried and moved by a forklift not shown.

(Rubber sheet structure)
Next, the configuration of the rubber sheet 1g according to the embodiment will be described. Referring to FIG. 1 or 2, the luggage carrier 1 further includes a rubber sheet 1g. The rubber sheet 1g is fixed to the upper surface of the luggage carrier 1. The rubber sheet 1g can be fixed to the upper surface of the luggage carrier 1 by using a joining means such as an adhesive or an adhesive tape. The rubber sheet 1g may be laid on one surface of the upper surface of the luggage carrier 1, or may be divided and laid on the upper surface of the luggage carrier 1.

With reference to FIG. 1 or FIG. 2, by fixing the rubber sheet 1g to the upper surface of the luggage carrier 1, slippage with luggage can be suppressed and impact on luggage can be mitigated. Further, by fixing the rubber sheet 1g on the upper surface of the loading platform 1, it is possible to suppress slippage with the pallet Pt and reduce impact on the pallet Pt.

(Structure of wheels)
Next, the configuration of the wheels 41w and 42w according to the embodiment will be described. Referring to FIGS. 1 to 3, the pair of wheels 41w and 41w are fixed wheels. The pair of wheels 41w and 41w are arranged on one end side of the luggage carrier 1. The pair of wheels 42w and 42w are free wheels. The pair of wheels 42w and 42w are arranged on the other end side of the luggage carrier 1. It is also possible to turn the platform 1 around fixed wheels.

(Structure of support member)
Next, the configuration of the column holding member 2 according to the embodiment will be described. With reference to FIG. 2 or FIG. 4, the column holding member 2 has a truncated cone-shaped leg portion 21 and a cylindrical main body portion 22. The leg portion 21 is formed below the main body portion 22. The legs 21 are arranged so as to project from the bottom surface of the luggage carrier 1.

Referring to FIG. 2 or 4, the main body portion 22 penetrates the square pipe member on the side surface of the luggage carrier 1. The main body 22 is welded to the square pipe member on the side surface of the luggage carrier 1 so that the legs 21 project from the bottom surface of the luggage carrier 1.

With reference to FIG. 2 or 4, the pillar 3 can be detachably fitted into the main body portion 22. The upper end of the main body 22 can be fitted into the bottom of the leg 21 (see FIG. 4).

Referring to FIG. 4, the first distance L1 from the upper end surface of the column supporting member 2 to the bottom surface of the leg portion is the outer peripheral surface of the wheels 41w and 42w to the upper surface of the loading platform 1 (including the thickness of the rubber sheet 1g). Is set larger than the second distance L2. This can prevent the wheels 41w and 42w from coming into contact with the upper surface of the loading platform 1 when the plurality of transport vehicles 10 are stacked.

[Structure of carrier]
Next, the operation and effect of the carrier 10 will be described while explaining a method of using the carrier 10 according to the embodiment.

With reference to FIG. 1 to FIG. 3, usually, in a carriage 10, a luggage is placed on a luggage carrier 1 in a state in which a pillar 3 is connected to a pillar holding member 2. Then, the carrier 1 can be moved to a predetermined position by steering the loading platform 1 (or pushing the luggage). In this case, since the columns 3 are connected to the column holding member 2, even if a load such as a long steel material is placed on the cargo bed 1, the plurality of columns 3 regulate the movement of the load, so that the load collapses. Can be prevented.

On the other hand, referring to FIG. 4, when the carrier truck 10 is not used, the support column 3 can be removed from the support column holding member 92, and a plurality of carrier trucks 10 can be stacked and stored. As described above, in the transport carriage 10 according to the embodiment, the plurality of transport carriages 10 can be compactly stored by stacking the plurality of transport carriages 10 in the height direction in a state where the support pillar is pulled out from the loading platform.

Further, referring to FIG. 1 to FIG. 3, a carrier 10 according to an embodiment includes a rectangular carrier 1 configured by a frame 1 f having a flat upper surface, and a plurality of column holding members 2 protruding from the upper surfaces of both ends of the carrier 1. The supporting column 3 is composed of a supporting column 3 that can be detachably inserted into the supporting column holding member 2. By providing a plurality of regulating members 5 for regulating the movement of the pallet Pt placed on the upper surface of the loading platform 1 on both side surfaces, it is possible to carry a long load and use the pallet Pt to load the load. It can also be transported.

Referring to FIG. 1 or FIG. 2, the loading platform 1 is provided with a pair of C-shaped members 6 and 6 at the bottom portion, into which claws provided on a forklift (not shown) are opened so that they can be inserted thereinto. The carrier 10 carrying the luggage can be lifted, and the carrier 10 can be carried and moved by a forklift not shown. Further, the carrier 10 on which the pallet Pt is placed can be carried and moved by a forklift not shown.

With reference to FIG. 1 or FIG. 2, in the carrier 10 according to the embodiment, the rubber sheet 1g is fixed to the upper surface of the luggage carrier 1, so that slippage with luggage can be suppressed and impact on luggage can be mitigated. Further, by fixing the rubber sheet 1g on the upper surface of the loading platform 1, it is possible to suppress slippage with the pallet Pt and reduce impact on the pallet Pt.

The carrier 10 according to the embodiment can carry long packages and can also carry packages using the pallet Pt. Further, the forklift can be used to carry and move the carrier 10 carrying the luggage.

1 loading platform 1f frame 2 prop holding member 3 prop 10 carrier truck 41w/42w wheel Pt pallet

Claims (5)

A plurality of pipe members are joined vertically and horizontally, and a rectangular loading platform configured by a frame having a flat upper surface,
A pair of bottomed cylindrical columnar support members protruding from the upper surfaces of both ends of the loading platform,
A strut that can be detachably inserted into the strut holding member,
A plurality of wheels fixed to the bottom surface of the platform,
The carrier is a carrier truck having a plurality of regulating members for regulating movement of a pallet placed on an upper surface thereof on both side surfaces. The carriage according to claim 1, wherein the restricting member comprises a U-shaped member having a connecting portion protruding from an upper surface of the luggage carrier and both end portions joined to side surfaces of the luggage carrier. The carriage according to claim 1 or 2, wherein the loading platform is provided with a pair of C-shaped members, at the bottom, into which claws provided on a forklift are opened so that they can be inserted therein. The carrier according to any one of claims 1 to 3, further comprising a rubber sheet fixed to an upper surface of the luggage carrier. The pillar holding member has a truncated cone-shaped leg portion arranged in a state of protruding from the bottom surface of the luggage carrier,
5. The first distance from the upper end surface of the column holding member to the bottom surface of the leg is set to be larger than the second distance from the outer peripheral surface of the wheel to the upper surface of the luggage carrier. Carriage cart described in crab.

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