JPH09132075A - Working vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure the working space in which the outdoor working can be carried out safely and comfortably. SOLUTION: A running carriage 2; a vehicle body 3 loaded rotatibly on the running carriage 2 in the nearly horizontal direction; a driver seat 12 provided projecting to the front side from the front surface 3a of the vehicle body 3; and a roof integral type door 8 which consists of glass windows 11s, 11f, and 11r at almost the whole body to open and close in the longitudinal direction of the vehicle body 3, as well as forms a cab 9 by covering the front surface of the vehicle body 3; are provided. By sitting on the driver seat 12, and closing the roof integral type door 12, the work can be carried out safely and comfortably without receiving the influence of the peripheral circumstances such as the weather, even out of doors. Since the driver sheet 12 is provided projecting to the front side from the front surface of the vehicle body 3, the visual field is extremely wide.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a new work vehicle for securing a work space in which a person who remotely controls a work machine or observes a work site at a construction site outdoors can safely and comfortably work. Is.

[0002]

2. Description of the Related Art Most civil engineering machines are operated by an operator riding in a driver's cab.
A wireless remote control system has also been put into practical use. The sheet pile press-fitting device developed by the present applicant is one of them, and since it is possible to perform sheet pile press-fitting work by operating the wireless control device, it is possible to use it in narrow or dangerous places where it is difficult for workers to enter. It is powerful.

[0003]

However, even when the work is performed by remote control as described above, as long as the work is performed outdoors, the work is performed in bad weather such as rain or snow, or the bad weather caused by sand and dust. Work in the environment may be required. In addition, there is a risk that an operator who is performing remote control may fall or drop the material being transferred.

The present invention was devised under the circumstances described above, and an object thereof is to provide a work vehicle capable of ensuring a work space in which work outdoors can be safely and comfortably performed.

[0005]

In order to solve the above-mentioned problems, a work vehicle according to the invention of claim 1 is a traveling vehicle, and a vehicle body mounted on the traveling vehicle so as to be able to turn substantially horizontally. A cockpit provided so as to project forward from a front surface of the vehicle body, and a cockpit formed by covering the front surface of the vehicle body and accommodating the cockpit are formed, and substantially the entire body that opens and closes in the front-back direction of the vehicle body is formed. And a roof-integrated door made of a light-transmitting body.

According to the work vehicle constructed as described above, by sitting in the cockpit and closing the roof-integrated door, work can be safely and comfortably outdoors without being affected by the surrounding environment such as weather. It can be performed. Since the cockpit is provided so as to project forward from the front surface of the vehicle body, and almost the entire roof-integrated door forming the cockpit is made of a light-transmitting body, the view from the cockpit is extremely wide. Further, by turning the vehicle body, it is possible to work with the cockpit in a desired direction while the traveling carriage is stopped, so that workability is good. Further, since the roof integrated door of the cockpit opens and closes in the front-rear direction of the vehicle body, there is an advantage that it is possible to easily get on and off even in a narrow place.

Here, the traveling carriage may be provided with a crawler or wheels as traveling means. The term "transparent material" means that the frame of the roof-integrated door is made as thin as possible, and most of the part other than the frame is made of transparent glass or transparent plastic. Tempered glass is used for the glass as the transparent body of the roof-integrated door, and reinforced plastic is used for the plastic.

A working vehicle according to a second aspect of the present invention is characterized in that the traveling vehicle according to the first aspect includes an attitude adjusting device for holding the stopped attitude of the traveling vehicle horizontally.

According to the work vehicle configured as described above, the attitude adjusting device is actuated to maintain the stopped attitude of the traveling carriage in a horizontal position even in a sloped or uneven place so that the cockpit can be operated properly. Since it is possible to keep the posture, it is possible to always work comfortably in an appropriate sitting posture. In addition, since the stopped posture of the traveling carriage can be kept horizontal, the vehicle body can be turned horizontally even on a slope or the like, and the cockpit can be turned in a desired direction.

In the work vehicle according to a third aspect of the present invention, the traveling carriage according to the first or second aspect is provided with a pair of left and right traveling means that are independently driven, and in the cockpit, a pair of left and right traveling means. It is characterized in that an operation lever for simultaneously switching the above operations is provided.

According to the work vehicle constructed as described above, the traveling operation of the traveling means on the left and right of the traveling vehicle can be switched by simply operating one operating lever.
You can drive easily.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a work vehicle according to the present invention will be described with reference to the drawings. FIG. 1 is a side view showing an embodiment of a work vehicle according to the present invention.
As shown in the figure, the work vehicle 1 is composed of a traveling vehicle 2 having crawlers 4L and 4R on the left and right, and a vehicle body 3 mounted on the traveling vehicle 2.

The traveling vehicle 2 travels by driving the crawlers 4L and 4R independently by the left and right actuating wheels 5. At the rear part of the traveling carriage 2, a blade 6 having substantially the same size as the width of the carriage is provided. The blade 6 is fixed to the tips of a pair of left and right rotating arms 7 protruding from the rear end of the traveling carriage 2, and operates a rotating mechanism (not shown) in the traveling carriage 2 to rotate the rotating arm 7. It can be moved up and down by moving it. FIG. 1 shows a state where the lower end portion of the blade 6 is just in contact with the ground. If the blade 6 is moved further downward from this state, the rear portion of the traveling carriage 2 is lifted. Become. That is, the rotating mechanism of the blade 6 has a strong torque performance to the extent that one side of the work vehicle 1 can be lifted.

The vehicle body 3 operates on the traveling carriage 2 by operating a turning mechanism (not shown) provided under the vehicle body 36.
You can turn 0 degrees. The plane shape of the vehicle body 3 is substantially oval, and the side surface shape is also designed as a whole. A roof integrated door 8 for opening and closing the cockpit 9 is provided in the front half of the vehicle body 3.

The roof-integrated door 8 includes a frame 10 made of a high-strength metal material, a windshield 11f (front surface) held by the frame 10 in a portion from the front surface to the upper surface of the door, and both left and right side surfaces. The held side glass 11s and the rear glass 1 held on the back surface
It is composed of 1r and is designed in a curved shape as a whole.
The roof-integrated door 8 is pivotally supported on both left and right sides,
The body 3 can be pivoted largely in the front-rear direction. By rotating the roof-integrated door 8 rearward, the cockpit 9 can be largely opened.

FIG. 2 is a side view in which the roof-integrated door 8 is rotated to the fully open position. As shown in the figure,
The front surface portion 3a of the vehicle body 3 is inclined downward, and the cockpit 12 and the operation panel 13 are provided there. Cockpit 12
Are provided so as to project forward from the front surface portion 3 a of the vehicle body 3. The operation panel 13 is provided with operation buttons for moving the blade 6, an air conditioning switch in the cockpit 9, and the like.

The cockpit 9 is provided with an operation switching device 14 shown in FIG. The operation switching device 14 is composed of a device body 15 installed near the cockpit 12 and an operation lever 16 provided so as to project from an upper opening of the device body 15. On the upper surface of the device body 15, eight indexes (▲) indicating the operation direction of the operation lever 16 and respective index numbers (to) are printed and displayed (see FIG. 4), and the direction in which the operation lever 16 is tilted is indicated. By switching in eight ways, all traveling operations of the left and right crawlers 4L and 4R of the traveling carriage 2 can be switched.

The correspondence between the index numbers (-) shown in FIG. 4 and the operations of the crawlers 4L and 4R is as follows.
When the operation lever 16 is tilted to the index side of, the left crawler 4L and the right crawler 4R are both driven forward. When the operation lever 16 is tilted to the index side of, only the left crawler 4L is driven forward.

When the operating lever 16 is tilted to the index side, the left crawler 4L is driven forward and the right crawler 4R is driven backward (rightward spin turn). When the operation lever 16 is tilted to the index side of, the right crawler 4R
Only drive backwards.

When the operation lever 16 is tilted to the index side, both the left crawler 4L and the right crawler 4R are driven backward. When the operation lever 16 is tilted to the index side of, only the left crawler 4L is driven backward.

When the operation lever 16 is tilted to the index side, the left crawler 4L is driven backward and at the same time the right crawler 4R is driven forward (left spin turn). When the operation lever 16 is tilted to the index side of, the right crawler 4R
Only drive forward.

According to the work vehicle 1 of this embodiment configured as described above, by sitting in the cockpit 12 and closing the roof-integrated door 10, the influence of the surrounding environment such as weather can be exerted even outdoors. It is possible to perform wireless control work of the work machine safely and comfortably without receiving the work. The cockpit 12 is provided so as to project forward from the front surface portion 3a of the vehicle body 3, and most of the roof-integrated door 10 forming the cockpit 9 is made of a transparent glass window, so that the visibility from the cockpit 9 is extremely wide. . Further, by turning the vehicle body 3, the driver's seat 1 can be moved in a desired direction with the traveling carriage 2 stopped.
The workability is good because the work can be done with the 2 facing.
Furthermore, since the roof-integrated door 10 has a large opening rearward, it is possible to easily get on and off even in a narrow space.

Further, the blade 6 provided on the traveling carriage 2
By driving, the posture of the work vehicle 1 can be kept horizontal even on a sloping ground as shown in FIG.
You can always work in a proper sitting position. Also,
In this way, the stopped posture of the traveling carriage 2 can be kept horizontal, so that the vehicle body 3 can be turned horizontally even on a sloping ground.
Work can be performed with the cockpit 12 facing in a desired direction.

Further, all the traveling operations of the left and right crawlers 4L and 4R of the traveling carriage 2 can be switched by simply operating one operating lever 16 of the operation switching device 14 provided in the operator's cab 9. Even beginners can easily drive.

The work vehicle of the present invention is not limited to the configuration of the above embodiment, and for example, the traveling carriage 2 may be provided with wheels instead of the crawlers 4L and 4R. Further, transparent reinforced plastic may be used instead of the window glass of the roof-integrated door 8.

[0026]

According to the work vehicle of the first aspect of the invention, by sitting in the cockpit and closing the roof-integrated door, the work vehicle is safe without being affected by the surrounding environment such as the weather. You can work comfortably. Since the cockpit is provided so as to project forward from the front surface of the vehicle body, and almost the entire roof-integrated door forming the cockpit is made of a light-transmitting body, the view from the cockpit is extremely wide. Further, by turning the vehicle body, it is possible to work with the cockpit in a desired direction while the traveling carriage is stopped, so that workability is good. Further, since the roof-integrated door of the cockpit opens and closes in the front-rear direction of the vehicle body, it is possible to easily get on and off even in a narrow place.

According to the second aspect of the present invention, the cockpit can be maintained in an appropriate posture by operating the posture adjusting device to keep the stopped posture of the traveling carriage horizontal even on a slope. , You can always work in a proper sitting posture. In addition, since the stopped posture of the traveling carriage can be maintained horizontally, the vehicle body can be horizontally swiveled even on a sloping ground so that the cockpit can be oriented in a desired direction.

According to the third aspect of the invention, the traveling operation of the left and right traveling means of the traveling vehicle can be simultaneously switched by operating one operating lever, so that the operation can be easily performed.

[Brief description of the drawings]

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

FIG. 2 is a side view of the same working vehicle in a state where a roof-integrated door is rotated to a fully open position.

FIG. 3 is a perspective view showing an operation switching device provided in a driver's cab of the same work vehicle.

FIG. 4 is a plan view of the above operation switching device.

FIG. 5 is a side view showing an example of a state in which the posture adjusting device is used in the work vehicle of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Work vehicle 2 Travel vehicle 3 Car body 3a Front part 4L Crawler (traveling means) 4R Crawler (traveling means) 6 Blade (posture adjusting device) 8 Roof integrated door 9 Cockpit 10 Frame 11f Windshield (translucent body) 11r Rear glass (Translucent body) 11s Side glass (Translucent body) 12 Pilot seat 14 Operation switching device 16 Operation lever

Claims (3)

[Claims] 1. A traveling vehicle, a vehicle body mounted on the traveling vehicle so as to be able to turn in a substantially horizontal direction, a cockpit provided forwardly of a front portion of the vehicle body, and a front portion of the vehicle body. And a roof integrated door that opens and closes in the front-rear direction of the vehicle body and that is substantially entirely made of a translucent material. 2. The work vehicle according to claim 1, further comprising an attitude adjusting device for maintaining the stopped attitude of the traveling vehicle horizontally. 3. The traveling carriage comprises a pair of left and right traveling means that are independently driven, and the cockpit is provided with an operating lever for simultaneously switching the operations of the pair of left and right traveling means. The work vehicle according to claim 1 or 2, characterized in that: