JPH0687392U - Cargo handling vehicle - Google Patents

Abstract

(57) [Summary] [Purpose] It takes a lot of time to put and take luggage in and out of containers, and also works safely. [Structure] A rear vehicle body 2, a front vehicle body 3 which is provided on the front side of the rear vehicle body so as to be able to move up and down and is inserted under the eaves Q of a pallet P, a rear wheel 4 which is provided on the rear vehicle body 2 and is rotationally driven, and a front vehicle body. 3, a front wheel 5 provided on the front side of the vehicle 3 so as to be able to move up and down, a rear lifting device 6 for lifting the rear side of the front vehicle body 3 with respect to the rear vehicle body 2, and a front wheel 5.
On the other hand, a front lifting device 7 for lifting the front side of the front vehicle body 3 is used so that cargo can be handled by so-called mechanical force.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cargo-handling vehicle used for loading and unloading luggage into, for example, a large-sized one-sided container.

[0002]

[Prior art]

 At present, there is no dedicated machine for loading and unloading large, heavy cargo into and out of large containers such as sea containers. For this reason, luggage is currently taken in and out by using rollers or sliding the floor. However, since such a method requires so-called human power to carry out cargo, it is troublesome and dangerous.

[0003]

[Problems to be solved by the device]

 The present invention was devised in order to solve this problem in view of the above problems, and the purpose thereof is to save a lot of trouble in loading and unloading luggage into a container, etc. The purpose is to provide a cargo handling vehicle that is capable of working.

[0004]

[Means for Solving the Problems]

 The cargo handling vehicle of the present invention is basically a rear vehicle body, a front vehicle body that is vertically movable on the front side of the rear vehicle body and is inserted under the eaves of a pallet, and a rear wheel that is rotationally driven on the rear vehicle body. A front wheel that can be raised and lowered on the front side of the front vehicle body, a rear lifting device that raises and lowers the rear side of the front vehicle body with respect to the rear vehicle body, and a front lifting device that raises and lowers the front side of the front vehicle body with respect to the front wheel. There is a feature in that it is composed of.

[0005]

[Action]

 Luggage is loaded on the pallet. When loading a pallet into a cargo handling vehicle, the front vehicle body is inserted under the eaves of the pallet, and then the front vehicle body is lifted by the rear elevating device and the front elevating device. When carrying a pallet loaded in a cargo handling vehicle, the cargo handling vehicle is driven by rotating the rear wheels. When pallets are unloaded from a cargo handling vehicle, the procedure is the reverse of loading.

[0006]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a cargo handling vehicle according to an embodiment of the present invention. FIG. 2 is a plan view of FIG. 1. FIG. 3 is a schematic side view showing a state where the cargo handling vehicle is used in the container. FIG. 4 is a side view showing the vicinity of the rear lifting device. FIG. 5 is a front view of FIG. 4 with the right half cut away. FIG. 6 is a plan view of FIG. 4. FIG. 7 is a view on arrow A of FIG. FIG. 8 is a view on arrow B of FIG. 5. FIG. 9: is the top view which fractured | ruptured the lower half which shows the front raising / lowering apparatus vicinity. FIG. 10 is a vertical sectional side view of FIG. 9 showing a lowered state. FIG. 11 is a view similar to FIG. 10 showing the rising state. The cargo handling vehicle 1 is mainly composed of a rear vehicle body 2, a front vehicle body 3, a rear wheel 4, a front wheel 5, a rear lifting device 6, and a front lifting device 7, and in this example, a 40-foot one-way container. The luggage W loaded on the three pallets P is taken in and out of C. The rear vehicle body 2 forms a basic part of the cargo handling vehicle 1. In this example, a driver's seat 8 and a prime mover 9 such as an engine are provided. The front vehicle body 3 is provided on the front side of the rear vehicle body 2 so as to be able to move up and down and is inserted into the eaves Q of the pallet P. In this example, the horizontal left and right forks 10 are connected to the vertical fork connecting these rear portions. And a back plate 11 and has a substantially L shape. The pallet P is a single-sided pallet or skid with a load W loaded on it and a lower eaves Q opened downward. The rear wheels 4 are provided on the rear vehicle body 2 and are rotationally driven. In this example, the rear wheels 4 are left and right wheels that are rotatably and rotatably provided on the rear vehicle body 2, and are rotationally driven by a prime mover 9. It is supposed to be done. The front wheel 5 is provided on the front side of the front vehicle body 3 so as to be able to move up and down. In this example, the front wheel 5 is provided on the lower front side of each fork 10 of the front vehicle body 3, and the roller frame 12 and the front side thereof, respectively. Three rollers 13 are provided on the rear side so as to be rotatable about the horizontal axis. The rear lifting device 6 lifts and lowers the rear side of the front vehicle body 3 with respect to the rear vehicle body 2. In this example, the rear vehicle body 2, the lift bracket 14 provided on the front side of the rear vehicle body 2, and the rear vehicle body 2 The upper and lower left and right parallel links 15 guide the lift bracket 14 so that the lift bracket 14 can be moved up and down, and the left and right lift cylinders 16 move the lift bracket 14 up and down with respect to the rear vehicle body 2. Thus, the side shift device 17 is provided between the lift bracket 14 and the front vehicle body 3. The side shift device 17 laterally moves the front vehicle body 3 with respect to the rear vehicle body 2. In this example, the guide shaft 18 guides the back plate 11 of the front vehicle body 3 laterally with respect to the lift bracket 14. In addition, the left and right guide rollers 19, hooks 20 for preventing the front plate 3 of the front vehicle body 3 from being separated from the front with respect to the lift bracket 14, and sides for horizontally moving the back plate 11 of the front vehicle body 3 with respect to the lift bracket 14. It consists of a shift cylinder 21. The front elevating device 7 elevates and lowers the front side of the front vehicle body 4 with respect to the front wheels 6, and in this example, the base end is the front lower portion of each fork 10 of the front vehicle body 3 and the tip is the roller frame 12 of the front wheel 5. The left and right links 24 pivotally connected by the horizontal shafts 22 and 23 respectively in the middle, and the base ends pivotally connected by the horizontal shaft 23 in the middle of the roller frame 12 of the front wheel 5 and the front ends of the front vehicle body 3. It is composed of left and right three-stage lift cylinders 25 fitted to the front lower surface of each fork 10. The three-stage lift cylinder 25 includes a cylinder base 26, a cylinder cap 27, a first piston 28, a second piston 29, and a third piston 30, and the horizontal shaft 23 projects to the left and right of the cylinder base 26. At the same time, a hose 31 communicating with the inside of the cylinder is connected to the cylinder base 26. Next, the operation will be described based on such a configuration. Loads W are loaded on the pallet P. When loading the pallet P on the cargo handling vehicle 1, after the fork 10 of the front vehicle body 3 is inserted under the eaves Q of the pallet P, the lift cylinder 16 of the rear lifting device 6 is operated to move the front vehicle body 3 to the rear vehicle body 2. The rear side of the fork 10 is raised, and the three-stage lift cylinder 25 of the front lifting device 7 is operated to raise the front side of the fork 10 of the front vehicle body 3 synchronously with the front wheel 5 by the same amount. As a result, the pallet P is lifted and taken off. When the side shift cylinder 21 of the side shift device 17 is operated, the front vehicle body 3 can be laterally moved with respect to the rear vehicle body 2 and the front vehicle body 3 can be adjusted and laterally moved with respect to the pallet P. When transporting the pallets P loaded on the cargo handling vehicle 1, the rear wheels 4 are rotationally driven by the prime mover 9 and the cargo handling vehicle 1 travels. When the left and right rear wheels 4 are turned, the cargo handling vehicle 1 is turned. When unloading the pallet P from the cargo handling vehicle 1, the procedure is the reverse of the loading procedure. Since the roller frame 12 of the front wheel 5 can be swung by the horizontal shaft 23, the front wheel 5 can smoothly cope with unevenness of a road surface or a slope. Since the front lifting device 7 is composed of the link 24 and the three-stage lift cylinder 25, it can be installed in a limited space, and the tip of the three-stage lift cylinder 25 is brought into contact with the front lower surface of each fork 10 of the front vehicle body 3. Since it only needs to be done, the structure can be simplified.

In the above embodiment, the cargo handling vehicle 1 loads and unloads the luggage W into and from the container C, but the invention is not limited to this. Although the front vehicle body 3 is provided with the left and right forks 10 in the previous embodiment, the present invention is not limited to this, and these may be replaced with a platform, for example. Although the rear elevating device 6 uses the parallel link 15 in the previous embodiment, the rear elevating device 6 is not limited to this, and a mast or the like may be used. Although the side shift device 17 is provided in the previous embodiment, the side shift device 17 is not limited to this and may be omitted, for example.

[0008]

[Effect of device]

 As described above, according to the present invention, the following excellent effects can be obtained. (1) It consists of a rear car body, front car body, rear wheel, front wheel, rear lifting device, and front lifting device so that it can be loaded and unloaded by so-called mechanical force, so it takes a lot of time and labor to load and unload containers into and from containers. It does not take time and can work safely. (2) When a link and a three-stage lift cylinder are used as the front lifting device, it can be installed in a small space and the structure can be simplified. (3) When the side shift device is provided between the rear vehicle body and the front vehicle body, the front vehicle body can be laterally moved with respect to the pallet, and workability is significantly improved.

[Brief description of drawings]

FIG. 1 is a side view showing a cargo handling vehicle according to an embodiment of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a schematic side view showing a state where a cargo handling vehicle is used in a container.

FIG. 4 is a side view showing the vicinity of a rear lifting device.

5 is a front view of FIG. 4 with the right half cut away.

FIG. 6 is a plan view of FIG.

FIG. 7 is a view on arrow A in FIG.

FIG. 8 is a view on arrow B of FIG.

FIG. 9 is a plan view of the vicinity of the front lifting device with the lower half cut away.

10 is a vertical sectional side view of FIG. 9 showing a lowered state.

FIG. 11 is a view similar to FIG. 10 showing a raised state.

[Explanation of symbols]

1 ... cargo handling vehicle, 2 ... rear vehicle body, 3 ... front vehicle body, 4 ... rear wheel, 5
... front wheels, 6 ... rear lifting device, 7 ... front lifting device, 8 ... driver's seat, 9 ... prime mover, 10 ... fork, 11 ... back plate, 12 ...
Roller frame, 13 ... Roller, 14 ... Lift bracket, 15 ... Parallel link, 16 ... Lift cylinder, 17 ...
Side shift device, 18 ... Guide shaft, 19 ... Guide roller, 20 ... Hook, 21 ... Side shift cylinder, 22, 23 ... Horizontal shaft, 24 ... Link, 25 ... Three-stage lift cylinder, 26 ... Cylinder base, 27 ... Cylinder Cap, 28 ... first piston, 29 ... second piston, 3
0 ... Third piston, 31 ... Hose, C ... Container, P ...
Pallet, Q ... under eaves, W ... luggage.

Claims (1)

[Scope of utility model registration request] 1. A rear vehicle body, a front vehicle body that is vertically movable on the front side of the rear vehicle body and is inserted under the eaves of a pallet, a rear wheel that is provided on the rear vehicle body and is rotationally driven, and a front side of the front vehicle body. It is characterized by comprising front wheels that can be raised and lowered, a rear lifting device that raises and lowers the rear side of the front vehicle body with respect to the rear vehicle body, and a front lifting device that raises and lowers the front side of the front vehicle body with respect to the front wheels. A cargo handling vehicle.