JP6969792B2 - Cargo handling trolley for trucks - Google Patents

Description

The present invention relates to a cargo handling work trolley for a truck used when loading and unloading a load on a truck bed.

The cargo handling work of a truck includes a loading work of loading a load on a loading platform and binding the loaded cargo with a rope, and a loading and unloading operation of unpacking the bound load and unloading the load from the loading platform. In such cargo handling work, in order to ensure the safety of the cargo handling work, the worker rides on the work table arranged on the side of the truck to perform the cargo handling work or moves between the work table and the cargo bed. Or something.

As a mount used for truck cargo handling work, the one described in Patent Document 1 has been developed. This pedestal has a rectangular scaffolding plate, a rotary elevating staircase portion provided in front of and behind the scaffolding plate, and a crossing plate portion rotatably attached to the side surface of the scaffolding plate. An engaging member is provided on the crossing plate portion, and the engaging member is engaged with the gap between the loading platform and the fanning plate in a state where the fan plate of the truck is tilted down, and the crossing plate portion is hung on the loading platform.

Japanese Unexamined Patent Publication No. 2010-196314

In this way, when the cross plate portion is engaged with the gap between the loading platform and the fan plate, it is necessary to match the vertical position of the crossing plate portion with the height of the loading platform of the truck. Therefore, in the gantry described in Patent Document 1, the lower end of the elevating stairs is made telescopic and further rotatable so that the height of the scaffolding plate is adjusted to the height of the truck bed. There is.

In this way, if the elevating stairs are rotatably attached to the work table and the lower end is telescopic, the structure of the gantry including the elevating stairs becomes complicated, the weight increases, and the truck The workability of installing the gantry on the loading platform is not good. Further, the gantry needs to engage the engaging member in the gap between the trucks with the fan plate open, and the cargo handling work cannot be performed with the fan plate upright. For example, when rope-hanging the luggage loaded on the loading platform, it is necessary to keep the fan plate upright, in which case this platform cannot be used and the cargo handling workability is not good. ..

An object of the present invention is to enable safe cargo handling work on a truck bed and to improve cargo handling workability.

The cargo handling trolley for a truck of the present invention is a cargo handling trolley for a truck that is arranged adjacent to the loading platform of the truck and is used when performing cargo handling work on the truck, and is horizontal on the front side of the truck side. A rectangular and horizontal base having a bar and a back horizontal bar extending parallel to the front horizontal bar and provided with traveling wheels, and a vertical attached to both ends of the front horizontal bar. Has a rectangular, horizontal working stage, fixed to the front stanchions and vertical rear stanchions attached to both ends of the rear horizontal bar and placed above the pedestal. The portion of the front side column protruding upward from the place where the work stage is arranged forms a handrail portion, and the portion of the back side column above the work stage forms a handrail column portion. Then, a safety handrail is horizontally attached between the handrail columns, and ladders for the operator to climb up and down between the work stage and the ground in a direction perpendicular to the work stage are located at both ends of the base. attached between the rear side strut and the front strut by, two cargo handling truck, each abutting one end of said opposite ends of said base, Rukoto be arranged in a straight line Allows the operator to move between the two work stages.
The cargo handling trolley for a truck of the present invention is a cargo handling trolley for a truck that is arranged adjacent to the loading platform of the truck and is used when performing cargo handling work on the truck, and is horizontal on the front side of the truck side. A base having a bar and a back horizontal bar extending parallel to the front horizontal bar and provided with traveling wheels, and a vertical front strut attached to both ends of the front horizontal bar. And a work stage fixed to vertical back side columns attached to both ends of the back side horizontal bar and arranged above the base, and the work stage of the back side columns. A safety handrail is horizontally attached between the handrail stanchions composed of the upper part, and the ladder stanchion attached to the protruding end of the rear side horizontal bar and the back side stanchion are separated from each other up and down. A ladder is formed on the back surface side of the base by the plurality of ladder members attached to the base.
The cargo handling trolley for a truck of the present invention is a cargo handling trolley for a truck that is arranged adjacent to the loading platform of the truck and is used when performing cargo handling work on the truck, and is horizontal on the front side of the truck side. A base having a bar and a back horizontal bar extending parallel to the front horizontal bar and provided with traveling wheels, and a vertical front strut attached to both ends of the front horizontal bar. And a work stage fixed to vertical back side columns attached to both ends of the back side horizontal bar and arranged above the base, and the work stage of the back side columns. A safety handrail is horizontally attached between the handrail stanchions composed of the upper part, and the ladder stanchion attached to the protruding end of the front side horizontal bar and the front side stanchion are separated from each other up and down. A ladder is formed on the front side of the base by a plurality of ladder members attached to the base.

In the cargo handling work trolley, two front side columns and two rear side columns are attached to a base provided with wheels, and a work stage is attached to these columns. The upper part of the rear side strut constitutes a handrail strut portion, and a safety handrail is attached to the handrail strut portion. Further, ladders are provided at both ends of the base, and the ladder columns constituting the ladder are formed by either the front side columns or the back side columns. In this way, the weight reduction of the cargo handling work trolley is achieved, the worker can safely perform the cargo handling work, and the cargo handling workability can be improved.

It is a perspective view of the cargo handling work trolley for a truck which is one embodiment seen from the front side. FIG. 3 is a perspective view of the cargo handling work trolley of FIG. 1 as viewed from the rear side. It is a plan view of FIG. It is a top view which shows the state which two cargo handling work carts are arranged in a straight line. It is a rear view which shows the state which carries out the cargo handling work using the cargo handling work trolley. It is a perspective view of the cargo handling work trolley which is a modification as seen from the rear side. It is a perspective view of the cargo handling work trolley which is another modification as seen from the front side. FIG. 7 is a perspective view of the cargo handling work trolley of FIG. 7 as viewed from the rear side. It is a rear view of FIG. FIG. 9 is a plan view of FIG. It is a perspective view of the cargo handling work trolley which is another modification as seen from the front side. 11 is a perspective view of the cargo handling work trolley of FIG. 11 as viewed from the rear side.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In each drawing, among the members constituting the cargo handling work trolley for trucks, the members having commonality are designated by the same reference numerals.

The cargo handling work trolley 10a shown in FIGS. 1 to 5 has a front side horizontal bar 11 and a back side horizontal bar 12 extending in parallel with the front side horizontal bar 11, and both of the two horizontal bars 11 and 12 have both ends thereof. It is connected by connecting rods 13 and 14 attached to. A rectangular base 15 is formed by four rods of the horizontal rods 11 and 12 and the connecting rods 13 and 14 shorter than this. These bars are formed of metal square pipes with a quadrangular cross section. Angle members 16 are attached to both ends of the base 15, and casters 18 having traveling wheels 17 on the front side and the back side are attached to each angle member 16. The casters 18 have a support plate 19 that rotatably supports the traveling wheels 17 around a vertical axis, and the support plate 19 is attached to the angle member 16. Since the cargo handling work trolley 10a has casters 18, the cargo handling work trolley 10a can be easily moved between the loading platform of the truck as the cargo handling work place and the storage place of the cargo handling work trolley 10a.

Front side columns 21 and 22 are attached to both ends of the front side horizontal bar 11. Further, the back side columns 23 and 24 are attached to both ends of the back side horizontal bar member 12. Each strut is formed of a square pipe having a square cross section made of metal, and a work stage 20 is attached to each strut. The work stage 20 is arranged above the base 15, and its height is set to a height close to the height of the upper surface of the upright truck fan plate.

The work stage 20 includes a beam material 25 fixed between the front side columns 21 and 22, a beam material 26 fixed between the back side columns 23 and 24, and a front side column 21 and a back side column 23. It has a beam member 27 fixed between the two, and a beam member 28 fixed between the front side support column 22 and the back side support column 24. An expanded metal 29 is attached as a scaffolding plate to the quadrilateral frame material formed by these beam materials.

Three ladder members 31a are fixed between the front side support column 21 and the back side support column 23, and the elevating ladder 31 is formed above one end of the base 15 by these ladder members 31a. Three ladder members 32a are fixed between the front side support column 22 and the back side support column 24, and the elevating ladder 32 is formed above the other end of the base by these ladder members 32a. The upper part of the back side strut 23 forms the handrail strut portion 23a, the upper part of the back side strut 24 forms the handrail strut portion 24a, and between the two handrail strut portions 23a and 24a, two upper and lower safety columns are used. Handrails 33 and 34 are attached. Further, a skirting board 35 is attached between the handrail support columns 23a and 24a so as to be abutted against the work stage 20.

As shown in FIG. 5, in the cargo handling work trolley 10a, when the cargo handling work is performed on the loading platform 41 of the truck 40, the front side horizontal bar 11 of the base 15 is arranged on the truck side, and the back side horizontal bar is arranged. 12 is arranged at a position away from the track 40 with respect to the front side horizontal bar 11. As described above, in this specification, the front side and the back side of the cargo handling work trolley 10a are the front side with the side closer to the truck 40 as a reference with respect to the state where the cargo handling work trolley 10a is arranged adjacent to the truck 40. The side away from the truck 40 is the rear side.

The upper portions of the front support columns 21 and 22, that is, the projecting portions 21a and 22a protruding above the work stage 20, form a handrail portion for raising and lowering when the operator climbs up and down the ladders 31 and 32. ing. In the cargo handling work trolley 10a shown in FIGS. 1 and 2, ladders 31 and 32 are arranged at the ends of the work stages 20 in a direction perpendicular to the work stage 20, respectively. The operator can move up and down between the ground and the work stage 20 by using either of the ladders 31 and 32. At that time, the operator can safely hold the projecting portions 21a and 22a of the front side columns 21 and 22 with one hand and the handrail column portions 23a and 24a of the back side columns 23 and 24 with the other hand. You can go up and down. As described above, the upper ends of the four columns for supporting the work stage 20 function as safety handrails when the worker climbs up and down.

When the cargo handling work trolley 10a is arranged adjacent to the loading platform 41 of the truck 40, the height position of the work stage 20 is close to the height of the upper surface of the fan plate 42 in the upright state as shown in FIG. Is set to. Therefore, like the operator indicated by the reference numeral P1 in FIG. 5, when the truck 40 gets on the loading platform 41, the truck can move from the working stage 20 to the loading platform 41 across the fan plate 42. Further, the worker indicated by the reference numeral P2 can perform a load loading operation, a rope hanging operation on the loaded load, and the like on the work stage 20.

The cargo handling work trolley 10a has two front side columns 21 and 22 and two back side columns 23 and 24, and each support has a part of the ladders 31 and 32 to which the ladder members 31a and 32a are attached. It is composed. Further, the upper portions of the front side columns 21 and 22 are projecting portions 21a and 22a that function as handrails, and the upper ends of the rear side columns 23 and 24 function as handrails and the handrail columns to which the safety handrails 33 and 34 are attached. It is a part 23a, 24a. As described above, the four columns attached to the base 15 have a member for supporting the work stage 20 and a function as a handrail, and a lightweight cargo handling work trolley 10a can be obtained with a small number of parts. By moving the cargo handling work trolley 10a having a lightweight structure to the loading platform 41 of the truck 40 by the casters 18, the cargo handling work can be safely performed and the workability of the cargo handling work can be improved.

When the cargo handling work is performed, by operating a stopper (not shown) provided on the caster 18, the cargo handling work trolley 10a can be brought into a fixed state adjacent to the truck 40, and the cargo handling workability can be improved. can. When a worker moves back and forth between the work stage 20 and the truck bed 41, the worker straddles the erected fan plate 42, but there is a large height between the work stage 20 and the truck bed 41. There is no difference, and the worker can move safely.

FIG. 3 is a plan view of the cargo handling work trolley 10a shown in FIGS. 1 and 2. Since the work stage 20 is rectangular and its long side is arranged adjacent to the truck 40 along the loading platform 41, the operator can perform cargo handling work while moving on the working stage 20 along the loading platform 41. It can be carried out. When performing cargo handling work on the work stage 20, the worker may move along the loading platform 41. In that case, as shown in FIG. 4, the two cargo handling work carts 10a can be arranged in a straight line and arranged on the side surface of the loading platform 41. When arranged in this way, as shown in FIG. 4, there is no large gap between the two work stages 20, and the worker can safely transfer from one work stage to the other work stage. be able to.

The height of the cargo handling work cart 10a is 2400 mm, and the length dimension of the work stage 20 is 1880 mm. When transporting the cargo handling work trolley 10a, it is possible to transport the plurality of cargo handling work trolleys 10a in a state of leaning against the loading platform of the truck.

FIG. 6 is a perspective view of the cargo handling work trolley 10b, which is a modified example, as viewed from the rear side. The basic structure of the cargo handling work trolley 10b is the same as that shown in FIGS. 1 and 2, and the front side columns 21 and 22 and the back side columns 23 and 24 of the above-mentioned cargo handling work trolley 10a are corners of a square cross section. Whereas it is formed of pipes, each strut is formed of a round metal cross-section circular pipe. The front side horizontal bar 11 and the back side horizontal bar 12 are formed by a square pipe, and both connecting bars 13 and 14 are located below both ends of the front side horizontal bar 11 and the back side horizontal bar 12. , Positioned inside the ladders 31 and 32 and connected. The support plate 19 of the caster 18 is attached to the lower surface of the connecting rods 13 and 14, and the lowermost ladder members 31a and 32a are fixed between both the horizontal rods 13 and 14.

Further, hooks 36 that are engaged with or hooked on the erected fan plate 42 are attached to the protruding portions 21a and 22a of the front side columns 21 and 22, respectively. The hook 36 is attached to the support column by a screw member, and the vertical position of the hook 36 can be adjusted and moved by loosening the screw member. As shown in FIGS. 1 and 2, the hook 36 may be provided on the front side columns 21 and 22 of the type formed by the square pipe.

Since the cargo handling work trolley 10b shown in FIG. 6 is provided with the connecting rods 13 and 14 positioned inside the ladders 31 and 32, when the two cargo handling work trolleys are arranged in a straight line, There is no gap between the two work stages 20, and the operator can move between the work stages 20 more safely.

FIG. 7 is a perspective view of the cargo handling work trolley 10c, which is another modified example, as seen from the front side, and FIG. 8 is a perspective view of the cargo handling work trolley 10c of FIG. 7 as viewed from the rear side. 9 is a rear view of FIG. 8, and FIG. 10 is a plan view of FIG.

In the cargo handling work trolley 10c, the rear horizontal bar 12 is longer than the front horizontal bar 11, and the front columns 21 and 22 are shorter than the rear columns 23 and 24. Both ends of the horizontal bar 12 on the back surface side protrude from the long side of the rectangular base 15 to form a part of the base 15, and casters 18 are attached to the protruding both ends. The work stage 20 is fixed to the upper ends of the front columns 21 and 22 and the intermediate portions of the rear columns 23 and 24.

Ladder columns 37 and 38 are fixed to the protruding ends of the horizontal bar 12 on the back surface side. A plurality of ladder members 31a are attached between the ladder column 37 and the rear support column 23 at intervals above and below, and between the ladder column 38 and the rear support column 24 at intervals above and below. A plurality of ladder members 32a are attached. The ladder 31 is formed by the ladder support 37, the back side support 23, and the ladder member 31a. Further, the ladder 32 is formed by the ladder support 38, the back side support 24, and the ladder member 32a. The upper ends of the ladder columns 37 and 38 are connected by a safety handrail 33. A reinforcing rod 39 is attached between the handrail support columns 23a and 24a, which are the upper portions of the rear support columns 23 and 24, and the ladder columns 37 and 38. However, it is also possible to use a cargo handling work trolley 10c in which this is removed.

In the cargo handling work trolley 10c, the upper portions of the rear side columns 23 and 24, that is, the handrail support columns 23a and 24a have a function as ladder columns, and the respective ladders 31 and 32 are on the back side of the cargo handling work trolley 10c. Arranged, the worker will climb up and down the ladders 31 and 32 with the loading platform 41 of the truck 40 as his back. Since the cargo handling trolley 10c is not provided with the protrusions 21a and 22a of the cargo handling trolleys 10a and 10b described above, when the operator moves between the loading platform 41 of the truck and the work stage 20, the cargo handling trolley 10c is not provided. The protrusions 21a and 22a do not get in the way. The length of the cargo handling work trolley 10c, that is, the length of the horizontal bar member 12 on the back side is 1950 mm, and the height of the cargo handling work trolley 10c is the same as that of the cargo handling work trolley 10a.

FIG. 11 is a perspective view of the cargo handling work trolley 10d, which is another modified example, as seen from the front side, and FIG. 12 is a perspective view of the cargo handling work trolley 10d of FIG. 11 as viewed from the rear side.

In this cargo handling work trolley 10d, unlike the cargo handling work trolley 10c, the front side horizontal bar 11 is longer than the back side horizontal bar 12, and both ends of the front side horizontal bar 11 are rectangular bases 15. A part of the base 15 is formed by protruding from the long side of the base 15, and casters 18 are attached to both ends of the protruding base.

Ladder columns 37 and 38 are fixed to the protruding ends of the front horizontal bar 11. A plurality of ladder members 31a are attached between the ladder support 37 and the front side support 21 at intervals above and below, and between the ladder support 38 and the front side support 22 at intervals above and below. A plurality of ladder members 32a are attached. The ladder 31 is formed by the ladder support 37, the front side support 21, and the ladder member 31a. Further, the ladder 32 is formed by the ladder support 38, the front side support 22 and the ladder member 32a. A reinforcing rod 39 is attached between the protrusions 21a and 22a, which are the upper portions of the front support columns 21 and 22, and the ladder columns 37 and 38. However, it is also possible to use a cargo handling work trolley 10d in which this is removed.

In the cargo handling work trolley 10d, the upper portions of the front side columns 21 and 22, that is, the protruding portions 21a and 22a have a function as ladder columns, and the ladders 31 and 32 are arranged on the front side of the cargo handling work trolley 10d. Then, the worker goes up and down the ladders 31 and 32 toward the loading platform 41 of the truck 40. The length of the cargo handling work trolley 10d, that is, the length of the front side horizontal bar 11 is 1950 mm, and the height of the cargo handling work trolley 10d is the same as that of the cargo handling work trolleys 10a to 10c. In the cargo handling work carts 10c and 10d described above, each of the columns may be a round pipe having a circular cross section. Further, each support may be telescopic.

In each of the cargo handling work carts 10a to 10d, front side columns 21 and 22 and rear side columns 23 and 24 are attached to a base 15 provided with traveling wheels 17, and these columns 21 to 24 are used for work. The stage 20 is attached. The upper portions of the rear side columns 23 and 24 form the handrail column portions 23a and 24a, and the safety handrails 33 and 34 are attached to the handrail column portions. Further, ladders 31 and 32 are provided at both ends of the base 15, and the ladder columns constituting the ladders 31 and 32 are formed by at least one of the front side columns 21 and 22 and the back side columns 23 and 24. ing. In this way, the cargo handling work trolley is assembled with a small number of parts, the weight reduction is achieved, and the cargo handling work trolley can be easily moved and moved to improve the cargo handling workability by the operator.

The present invention is not limited to the above embodiment, and various modifications can be made without departing from the gist thereof.

11 Front side horizontal bar 12 Back side horizontal bar 13 Connecting bar 15 Base 17 Running wheel 18 Caster 20 Working stage 21 Front side support 21a Protruding part 22 Front side support 23 Back side support,
23a Handrail strut 24 Back side strut 24a Handrail strut 29 Expanded metal 31, 32 Ladder 31a, 32a Ladder member 33, 34 Safety handrail 36 Hook 37, 38 Ladder strut 41 Loading platform 42 Fan plate

Claims (4)

A truck handling trolley that is placed adjacent to the truck bed and is used when carrying out cargo handling work on the truck.
A rectangular, horizontal base that has a front horizontal bar on the truck side and a rear horizontal bar that extends parallel to the front horizontal bar and is provided with running wheels.
A rectangle fixed to the vertical front columns attached to both ends of the front horizontal bar and the vertical back columns attached to both ends of the back horizontal bar and placed above the base. With a horizontal working stage, and
The portion of the front side column protruding upward from the place where the work stage is arranged forms a handrail portion, and the portion of the back side column above the work stage forms a handrail support portion. death,
Attach the safety handrail horizontally between the handrail columns,
A ladder for an operator to climb up and down between the work stage and the ground in a direction perpendicular to the work stage is positioned at both ends of the base and attached between the front side support and the back side support. ,
Two cargo handling truck, each abutting one end portion of the both end portions of the base, by Rukoto be arranged in a straight line, between the two working stages can possess a worker , Cargo handling trolley for trucks. A truck handling trolley that is placed adjacent to the truck bed and is used when carrying out cargo handling work on the truck.
A base having a front horizontal bar on the truck side and a rear horizontal bar extending parallel to the front horizontal bar on which traveling wheels are provided.
Work that is fixed to the vertical front side columns attached to both ends of the front side horizontal bar and the vertical back side columns attached to both ends of the back side horizontal bar, and is arranged above the base. With a stage,
A safety handrail is horizontally attached between the handrail struts formed by the portion of the back stanchion above the work stage.
A ladder is formed on the back side of the base by a plurality of ladder members attached at a vertical interval between the ladder support attached to the protruding end of the horizontal bar on the back side and the support on the back side. Cargo handling work ladder for trucks. A truck handling trolley that is placed adjacent to the truck bed and is used when carrying out cargo handling work on the truck.
A base having a front horizontal bar on the truck side and a rear horizontal bar extending parallel to the front horizontal bar on which traveling wheels are provided.
Work that is fixed to the vertical front side columns attached to both ends of the front side horizontal bar and the vertical back side columns attached to both ends of the back side horizontal bar, and is arranged above the base. With a stage,
A safety handrail is horizontally attached between the handrail struts formed by the portion of the back stanchion above the work stage.
A ladder is formed on the front side of the base by a plurality of ladder members attached at a vertical interval between the ladder support attached to the protruding end of the front side horizontal bar and the front side support. Cargo handling work ladder for trucks. The cargo handling trolley for a truck according to claim 1 or 3, wherein the cargo handling trolley for a truck is provided on the front side support column and has a hook that engages with a fan plate of the truck.

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