JP2001260950A - Cargo handling/conveying vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a worker to get on or off a driver's cab in a cargo handling/ conveying vehicle provided with the driver's cab and a plurality of travel wheels located on both the right and left sides of the driver's cab on a vehicle body. SOLUTION: The front wall part 11 of the driver's cab 8a is provided with an alighting/boarding port 20 and a door 21 opening and closing the alighting/ boarding port 20. The door 21 is a hinged door supported by hinges 22 at one side end, and it can be opened and closed by being rotated in the longitudinal direction. A steering 24, an accelerator pedal 25, and a brake pedal 26 or the like are provided on the inside of the door 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cargo handling vehicle in which a cab and a plurality of traveling wheels are provided on a vehicle body, and the traveling wheels are located on left and right sides of the cab.

[0002]

2. Description of the Related Art Conventionally, as this kind of cargo handling and transporting vehicle,
For example, as shown in FIG. 9 and FIG. 10, there is a type that transports a large structure such as a part of a hull. The cargo handling vehicle 50
Has a load supporting surface 52 on the upper part of the vehicle body 51 and a pair of left and right running wheels 53 in a plurality of front and rear rows on the lower part of the vehicle body 51. Each of these running wheels 53 is configured to be able to turn around in a horizontal direction about a vertical axis 54. A cab 55 is provided below the front and rear ends of the vehicle body 51,
Inside the cab 55, a seat 59, a steering wheel 60 (handle), various pedals (not shown), operation levers (not shown), and the like are provided. On the left and right sides of each driver's cab 55, the front and rear rows of running wheels 53 are located. A door 56 for opening and closing the door 56 is provided on one of the left and right sides of each of the cabs 55.
7 are provided. According to this, the worker A has the door 5
7 is opened to get on and off the driver's cab 55 from the entrance 56.

[0003]

However, in the above-described conventional type, since the worker A gets on and off from one side of the cab 55, the frontmost (or last) row of running wheels 53 located immediately next to the operator A gets on and off. There is a problem that it becomes a hindrance in the case of. In particular, as shown in FIG. 11, in a state where each traveling wheel 53 is turned to the left or right, the distance between the driver's cab 55 and the traveling wheel 53 located on the side thereof is narrowed, so that the traveling wheel 53 gets in the way. It becomes difficult to get on and off the cab 55.

[0004] It is an object of the present invention to provide a cargo handling vehicle capable of easily getting on and off a driver's cab.

[0005]

According to a first aspect of the present invention, an cab and a plurality of running wheels are provided on a vehicle body, and the running wheels are positioned on both left and right sides of the cab. The loading / unloading vehicle is provided with a doorway and a door for opening and closing the doorway in front of the driver's cab.

According to this, the operator opens the door and gets on and off the vehicle from the front of the cab through the entrance. This allows
The traveling wheels located on the left and right sides of the driver's cab do not hinder the operator from getting on and off, and the operator can easily get on and off the driver's cab.

According to the second aspect of the present invention, a driving operation member is provided inside the door. According to this, when the operator opens the door and gets on and off from the entrance, the driving operation member does not interfere with getting on and off.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 3 to 5, reference numeral 1 denotes a cargo handling vehicle for transporting a large structure 30 such as a part of a hull.
And a pair of left and right traveling wheels 4 are provided in a plurality of front and rear rows at a lower portion of the vehicle body 2. Each traveling wheel 4 is provided with a mounting arm 5
And these mounting arms 5 are attached to the vehicle body 2,
It is provided rotatable about a vertical shaft 6.

Further, cabs 8a and 8b are provided below the front and rear ends of the vehicle body 2, respectively. Each of the cabs 8a, 8b includes a front wall 11, a rear wall 12, left and right side walls 13a, 13b, a bottom wall 14, and a ceiling wall 15, respectively. The left and right traveling wheels 4 of one end row are located on both left and right sides of one of the front and rear operator cabs 8a, and the left and right sides of the other end row are located on both left and right sides of the other operator cab 8b. Both running wheels 4 are located. Note that side windows 16 are provided on the side walls 13a and 13b.

As shown in FIGS. 1 and 2, the front wall 11 is provided with a doorway 20 and a door 21 for opening and closing the doorway 20. The door 21 is a hinged door whose one end is supported by a plurality of upper and lower hinges 22 (hinges), and is configured to rotate in the front-rear direction and open and close.

A front window 23 is provided above the door 21. In addition, a steering wheel 24 is provided inside the door 21.
An example of an operation member, an accelerator pedal 25 (an example of an operation member), and a brake pedal 26 (an example of an operation member) are provided. By operating the steering wheel 24, a turning device (not shown) rotates the mounting arms 5 about the vertical shaft 6 and turns the traveling wheels 4 in the left-right direction. Further, the operation of the accelerator pedal 25 adjusts the rotation speed of each traveling wheel 4 via a drive motor (not shown), and further operates the brake device (not shown) by operating the brake pedal 26. It is configured such that braking of each traveling wheel 4 is performed via the vehicle.

The control unit (not shown) of the turning device, the driving motor, and the brake device are hydraulically and electrically controlled, and as shown in FIG. 1, the steering 24, the accelerator pedal 25, and the brake pedal 26 Are connected to a control hydraulic pipe 28 and an electric wiring 29, respectively. The hydraulic pipes 28, the electric wires 29, and the like are drawn out from one side end of the door 21 and drawn into the vehicle body 2. A seat 31 and various operation levers (not shown) are provided on floors inside the cabs 8a and 8b.

The operation of the above configuration will be described below.
When the operator gets in and out of one of the cabs 8a,
As shown in FIG. 1, FIG. 4 and FIG. 5, the door 21 of one of the cabs 8a is opened, and the driver gets on and off the vehicle through the entrance 20 from the front of the cab 8a. As a result, the operator can use one cab 8
a, the traveling wheels 4 located on the left and right sides of one of the cabs 8a do not hinder the operator from getting on and off. Getting on and off the cab 8a can be easily performed.

Also, as shown in FIG.
4 and accelerator pedal 25 and brake pedal 26 to door 21
When the door 21 is opened, the steering wheel 24, the accelerator pedal 25, the brake pedal 2
The door 6 is retracted to the front and one side of the entrance 20 together with the door 21, so that the steering 24, the accelerator pedal 25, and the brake pedal 26 do not obstruct the entrance and exit. Therefore, the operator easily passes through the entrance 20 and the cab 8a is further reduced in size.

The operator who gets into one cab 8a
The door 21 is closed, the seat 31 is seated, and the cargo handling vehicle 1 is driven. At this time, a front view is secured through the front window 23.

The same operation and effect as those of the one cab 8a can be obtained in getting on and off the other cab 8b. As shown in FIG. 5, when the cargo handling vehicle 1 travels to one side B, the operator gets into one cab 8a and when traveling to the other C, the other cab 8b.
Get on.

In the above embodiment, as shown in FIG.
Although a part of the front wall 11 is the door 21, the entire front wall 11 may be configured as a door 21 that can be opened and closed. As a second embodiment of the present invention, as shown in FIG.
The cabinet 35 may be integrally mounted inside the door 21. The cabinet 35 is provided with various switches 36, lamps 37, meters 38, display devices, and the like.

Further, as a third embodiment of the present invention, as shown in FIG. 7, an entrance 20 is formed from the front wall portion 11 to the front portion of the other side wall 13b (the side opposite to the hinge 22). Have been. Correspondingly, the door 21 has a door body 21a for opening and closing the entrance 20 of the front wall portion 11, and a door body 21a formed on the other side (free end) of the door body 21a. And a folded portion 21b for opening and closing the front part.

Further, the front window 23 is provided from the door body 21a to the turn-back portion 21b, so that a wider front view can be secured from the seat 31. Although the door 21 of each of the above embodiments is a swing door type that is opened and closed by being rotated in the front-rear direction, as a fourth embodiment of the present invention, as shown in FIG. It may be provided.

That is, the door 39 is configured to open and close the entrance 20 by being pulled left and right. At the front end of each of the cabs 8a and 8b, a guide rail 40 for supporting and guiding the door 39 in the opening / closing direction (left / right direction) is provided. In the case of such a sliding door type, the steering 24, the accelerator pedal 25,
The brake pedal 26 and the like are not provided at the door 39 but at each cab 8
a, 8b are provided on the floor.

In the fourth embodiment, the entire front wall 11 is formed as a door 39 which can be freely opened and closed, but a part of the front wall 11 may be formed as the door 39.

[0022]

As described above, according to the present invention, since the door can be opened and the driver can get on and off the vehicle from the front of the driver's cab through the doorway, the traveling wheels located on the left and right sides of the driver's cab can work. It does not obstruct the driver from getting on and off, and can easily get on and off the driver's cab.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cab of a cargo handling vehicle according to a first embodiment of the present invention, with a door opened.

FIG. 2 is a perspective view of a cab of the cargo handling vehicle, showing a state in which a door is closed.

FIG. 3 is a front view of the cargo handling vehicle.

FIG. 4 is a plan view of the cargo handling vehicle.

FIG. 5 is a side view of the cargo handling vehicle.

FIG. 6 is a perspective view of a cab of a cargo handling vehicle according to a second embodiment of the present invention.

FIG. 7 is a perspective view of a cab of a cargo handling vehicle according to a third embodiment of the present invention.

FIG. 8 is a perspective view of a cab of a cargo handling vehicle according to a fourth embodiment of the present invention.

FIG. 9 is a plan view of a conventional cargo handling vehicle.

FIG. 10 is a front view of a conventional cargo handling vehicle.

FIG. 11 is a plan view of one of the front and rear ends of a conventional cargo handling vehicle, showing a state in which traveling wheels are turned to the left or right.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cargo transport vehicle 2 Body 4 Running wheels 8a, 8b Operator's cab 20 Entry / exit 21 Door 24 Steering (Driving operation member) 25 Accelerator pedal (Driving operation member) 26 Brake pedal (Driving operation member)

Claims (2)

[Claims] 1. A cargo handling vehicle in which a driver's cab and a plurality of traveling wheels are provided on a vehicle body, and the traveling wheels are located on both left and right sides of the driver's cab. And a door for opening and closing the entrance. 2. The cargo handling vehicle according to claim 1, wherein a driving operation member is provided inside the door.