JP4153701B2 - Cargo handling equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cargo handling apparatus for a truck.
[0002]
[Prior art]
A cargo handling device in which a tailgate lifter is disposed on the rear end side of a vehicle loading platform is known as a cargo handling device of this type of truck. The truck with the tailgate lifter loads or unloads luggage from the rear of the loading platform. A flat body type or a wing type vehicle can be loaded or unloaded from the side of the loading platform.
[0003]
[Problems to be solved by the invention]
However, the cargo handling from the side of the loading platform of the vehicle is a cargo handling work by an external cargo handling device such as a forklift. Therefore, since loading and unloading work from the side of the loading platform of the vehicle is limited to work sites equipped with external loading and unloading devices, a device for loading and unloading from the side of the loading platform of the vehicle is arranged in the lorry vehicle. There has been a demand for a cargo handling equipment for a cargo vehicle that performs cargo handling from a lateral position.
[0004]
An object of this invention is to provide the cargo handling apparatus of the lorry vehicle which satisfy | fills such a request | requirement.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a cargo handling apparatus according to claim 1 of the present invention is provided with a plurality of upper guide rails and lower guide rails at the upper and lower portions along the side edge of the loading platform of the vehicle. A plurality of side walls are movably arranged between the guide rail and the lower guide rail. When the vehicle is running, the side walls are moved to be arranged side by side, and when the cargo handling work is performed, the side walls are moved so as to open the side of the cargo bed. A cargo handling apparatus for a cargo vehicle that performs a cargo handling work from a portion, and is disposed between a pair of upper and lower guide rails of the plurality of guide rails and is movable, and is attached to the side frames. A lifting device for moving the deck up and down between the ground and the loading platform is arranged, and the deck is configured to be retractable along the side wall when stored.
[0006]
A cargo handling apparatus according to claim 2 is characterized in that, in claim 1, the side frame is disposed between the outermost guide rails of the plurality of upper guide rails and the lower guide rails.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a cargo handling apparatus A for a truck according to the present invention will be described with reference to FIGS. As shown in FIGS. 1 and 2, a plurality of upper guide rails 2 and lower guide rails 3 are provided at the upper and lower portions along the side edge of the vehicle 1, respectively. The upper guide rail 2 includes an inner rail 2a provided on the inner side, an intermediate rail 2b provided on the middle, and an outer rail 2c provided on the outer side. The lower guide rail 3 includes an inner rail 3a provided on the inner side, an intermediate rail 3b provided on the middle, and an outer rail 3c provided on the outer side.
[0008]
Between the inner rail 2a and the inner rail 3a, a side wall 4 having a width of about 1/3 of the entire length of the loading platform is guided by the rail so as to be movable. Between the intermediate rail 2b and the intermediate rail 3b, a side wall 5 having a width that is approximately 1/3 of the total length of the loading platform is guided by the rail and arranged to be movable. The outer rail 2c and the outer rail 3c are configured to have a wider rail width than the inner rails 2a, 3a and the intermediate rails 2b, 3b. Between the outer rail 2c and the outer rail 3c, approximately 1 / of the total length of the cargo bed. A side frame 6 having a width of 3 and having only a frame is arranged so as to be movable while being guided by a rail.
[0009]
An elevating device 8 for elevating the deck 7 is attached to the outer surface of the side frame 6. The lifting device 8 is configured as follows. A pair of left and right guide columns 9 are vertically attached along the outer side surfaces of the left and right frames of the side frame 6, and are integrated by a connecting member 10 disposed horizontally along the cargo bed floor. And the raising / lowering support | pillar 11 is provided so that raising / lowering is possible along the inner side of each guide support | pillar 9, respectively.
[0010]
A deck 7 is attached between the lifting columns 11. In other words, brackets 12 are fixed to the lower ends of the lifting columns 11, and mounting arms 13 fixed to both sides of the deck 7 are pivotally attached to the brackets 12 by pins 14. The deck 7 is rotatable about the axis of the pin 14, and is rotated and stored to a position along the guide column 9 when stored, and is rotated and extended until the deck 7 is in a horizontal state when used. I have to. The deck 7 is maintained in a horizontal state by the mounting arm 13 coming into contact with the lower end surface of the lifting column 11 in the overhanging state.
[0011]
The raising / lowering drive part of the raising / lowering apparatus 8 is shown in FIG. 4 and is demonstrated below. Sheaves 15 are arranged at the upper ends of the lifting columns 11, and sheaves 17 are arranged at both ends of the connecting member 10. A hydraulic cylinder 16 is disposed in the connecting member 10, and the cylinder bottom of the hydraulic cylinder 16 is pivotally attached to the connecting member 10 together with the sheave 18. Sheaves 19 and 19 are pivotally supported at the tip of the piston rod 16 a of the hydraulic cylinder 16. The wire rope 20 having one end fixed to the lifting column 11 is hung on the sheave 15 and the sheave 17, and is further hung on the sheave 19 to fix the other end to an appropriate position of the connecting member 10. The wire rope 21 having one end fixed to the elevating column 11 is hung on the sheave 15 and the sheave 17, and is further hung on the sheave 18 and the sheave 19, and the other end is fixed to an appropriate position of the connecting member 10.
[0012]
By constituting the lifting drive portion of the lifting device 8 in this way, when the piston rod 16a of the hydraulic cylinder 16 is extended, the sheaves 19 and 19 are moved and the lifting column 11 is raised, and conversely when the piston rod 16a is contracted, the sheave. It moves so that 19 and 19 may move and the raising / lowering support | pillar 11 may descend | fall. The hydraulic cylinder 16 is driven by a hydraulic source of a hydraulic unit driven by a vehicle engine or a battery.
[0013]
In FIG. 2, 22 is a tire, 23 is an axle, 24 is a mudguard, and 25 is a combination lamp.
[0014]
In addition, the lower part of the side frame 6 is covered with the deck 7 in the retracted state so as to be a side wall of the loading platform when traveling, but the upper part of the side frame 6 cannot be covered with the deck 7 so 26 is covered. That is, the base end portion of the upper plate 26 is pivotally supported on the upper portion of the side frame 6, and the upper portion of the side frame 6 is opened at the time of cargo handling work by rotating the upper plate 26 toward the outside so as to travel. Sometimes the opening is covered by rotating downward. When the upper part of the side frame 6 is opened, the upper plate 26 is supported by a damper cylinder 27 filled with gas.
[0015]
The cargo handling apparatus for a truck according to the present invention configured as described above operates as follows. First, the case where the loading / unloading work is performed at the front part of the loading platform with the side walls of the loading platform arranged in the order of the side frame 6, the sidewall 5, and the sidewall 4 from the front will be described. As shown in FIG. 1, the upper side wall 26 is rotated upward toward the outside, and the upper portion of the side frame 6 is opened. The deck 7 is extended from the stored state to a horizontal state. Then, the deck 7 is moved up and down from the loading platform to the ground or from the ground to the loading platform by the lifting device 8 (the lifting movement of the deck 7 is shown in FIGS. 3 and 4 and described above, and is omitted here). Carry out the cargo handling work to move the package. When the cargo handling work is finished, the deck 7 is positioned at the raised position by the lifting device 8 and put into the retracted state. Then, the upper plate 26 is rotated downward to cover the opening.
[0016]
Next, the case where cargo handling work is performed in the middle part before and after the loading platform will be illustrated and described in FIG. First, the side wall 5 is moved forward along the intermediate rails 2b and 3b, and the side frame 6 is moved along the outer rails 2c and 3c to the intermediate part before and after the loading platform. Then, the cargo handling work may be performed in the same manner as described above.
[0017]
As described above, the cargo handling apparatus for a lorry according to the present invention is configured such that the side frame 6 including the elevating device 8 that moves the deck 7 up and down is movable along the outer rails 2c and 3c. It is possible to carry out the cargo handling work without using an external cargo handling device at the side position.
[0018]
The side frame 6, the side wall 5, and the side wall 4 are arranged in order to form the side wall of the cargo bed during traveling, but the side frame 6, the side wall 5, and the side wall 4 are not moved along the rail during traveling. Needless to say, the side walls 5 and 4 are provided with appropriate locking means that can be engaged and disengaged.
[0019]
Moreover, in the said embodiment, although the side wall of the loading platform was comprised by the side frame 6, the side wall 5, and the side wall 4, and each width was made into about 1/3 of the full length of a loading platform, it is not restricted to this, The side wall used as a loading platform side wall The width may be changed as appropriate, and the respective widths may be determined by the number. And the number of the upper guide rail 2 and the lower guide rail 3 should just be determined suitably according to the number.
[0020]
Next, in the said embodiment, although the side frame 6 was arrange | positioned between the outermost outer rails 2c and 3c, you may arrange | position to another rail (for example, intermediate rails 2b and 3b or inner rails 2a and 3a). . And the rail width which arrange | positions the side frame 6 should just be widened, and it should just have intensity | strength. In this case, the movable range of the side frame 6 is partially limited by the side wall disposed outside the rail on which the side frame 6 is disposed. Moreover, you may arrange | position so that the side frame 6 may be supported by several rails at once. For example, it is arranged between the two rails of the upper guide rail 2 and the two of the lower guide rails 3 so that the same effect can be obtained if the rail width is widened to give strength.
[0021]
Moreover, although the said embodiment demonstrated the case where only the raising / lowering apparatus 8 was attached to the side frame 6, it expand | extends when carrying out cargo handling work, supports the side frame 6 and the raising / lowering apparatus 8 from the ground, and reduces when not carrying cargo handling work. It is also possible to arrange a jack that is adapted to be stored.
[0022]
Furthermore, in the said embodiment, although the side frame 6 is moved by manual human power, you may make it move with motive power. Moreover, in the said embodiment, although the cargo handling apparatus which concerns on this invention has been arrange | positioned on the left side of a loading platform, you may arrange | position on the right side of a loading platform, and may arrange | position on the both sides of a loading platform.
[0023]
【The invention's effect】
Since the cargo handling apparatus of the lorry of the present invention according to claim 1 is configured and operates as described above, the cargo handling work can be performed from the side of the loading platform even at a work site that does not include an external cargo handling apparatus. . Since the cargo handling device can be moved and arranged at an arbitrary position on the side of the cargo bed, the cargo handling work can be performed without being influenced by the position of the cargo.
[0024]
The cargo handling apparatus of the present invention according to claim 2 can move and arrange the cargo handling apparatus at an arbitrary position on the side of the loading platform regardless of the side wall.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram for explaining a cargo handling apparatus for a truck according to the present invention, and is an explanatory diagram when a cargo handling operation is performed at a front portion of a cargo bed.
FIG. 2 is an explanatory view illustrating a cargo handling apparatus for a truck according to the present invention, and is an explanatory view illustrating a main part in a cross-section.
FIG. 3 is an explanatory view for explaining an elevating device of a cargo handling apparatus for a truck according to the present invention.
FIG. 4 is an explanatory diagram for explaining an elevating device of a cargo handling device for a lorry according to the present invention, and is a diagram for explaining an elevating drive part.
FIG. 5 is an explanatory diagram for explaining a cargo handling apparatus for a cargo vehicle according to the present invention, and is an explanatory diagram when a cargo handling operation is performed at an intermediate portion in the longitudinal direction of the cargo bed.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Vehicle 2 Upper guide rail 3 Lower guide rail 4 Side wall 5 Side wall 6 Side frame 7 Deck 8 Lifting device

Claims (2)

A plurality of upper guide rails and lower guide rails are provided at the upper and lower portions along the side edge of the loading platform of the vehicle, respectively, and a plurality of side walls are movably disposed between the upper guide rail and the lower guide rail. It is a loading and unloading device of a lorry that moves side walls to open and close the side walls and opens the side walls of the loading platform when loading and unloading work.
A side frame disposed between a pair of upper and lower guide rails of the plurality of guide rails and movable, and a lifting device attached to the side frame for moving the deck up and down between the ground and the loading platform. A cargo handling apparatus for a lorry characterized in that the deck can be stored along the side wall when stored. 2. The cargo handling apparatus for a lorry according to claim 1, wherein the side frame is disposed between the outermost guide rails of the plurality of upper guide rails and the lower guide rails.

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