JPS639638Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention has a driving cabin that is detachable and detachable.
This invention relates to a rotating work vehicle equipped with an engine bonnet on a rotating base so that the engine bonnet can swing up and down on either side of the engine bonnet.

In this type of work vehicle, in order to shorten the front-to-back length of the machine, the bonnet housing the engine-related components and the driving cabin are located close to each other. In order to accommodate this, the area occupied by the operating cabin is narrow, and when the operator is seated, the back of his head touches the rear wall of the cabin, causing discomfort and lacking in comfort.

The present invention has been developed in view of the above-mentioned points.It is an object of the present invention to improve the comfort of living while reducing the actual area occupied by the operating cabin, and to prevent the hood from swinging open and closed without any hindrance. With the goal.

Next, embodiments of the present invention will be described in detail based on the drawings.

A swivel base 2 is provided to the machine base equipped with the crawler traveling device 1 so as to be freely rotatable to drive around the vertical axis.
An excavation device 3 is provided in front of the swivel table 2 so as to be able to swing and fix around a vertical axis, and a driver's seat 4 is provided behind the swivel table 2.
A driving cabin 6 is detachably attached to a control part 5 provided with a steering wheel, and a bonnet 7 covers the engine-related parts behind the cabin 6, thereby forming a swing work vehicle.

The driving cabin 6 is installed with its upper rear portion located above a portion of the bonnet 7 on the side opposite to the swing axis X, so that the bonnet is mounted along the top plate 7C of the bonnet 7. It is formed by bulging toward the upper space side of 7,
It is detachably attached to the swivel base 2 via a vibration isolation structure 9. On the other hand, the bonnet 7 has a bonnet portion 7B in a range below the bulging portion of the operating cabin 6 in a plan view, and a bonnet main body portion 7A excluding the bonnet portion 7B.
It is configured to be detachable from the

As shown in FIG. 4, the vibration isolation structure 9 includes elastic cylinders 11 inserted into holes drilled at the four corners of the bottom plate 10 of the operating cabin 6, and bolts 12 protruding from the swivel base 2. is attached to the driving cabin 6 via the elastic ring 13, and its bolt 1
The protruding end of the nut 14 is also tightened through an elastic ring 13 on the protruding end of the nut 14, and is configured to prevent rattling due to vertical or horizontal shaking and the accompanying noise as much as possible.

As shown in FIG. 3A, when the operating cabin 6 is assembled to the swivel base 2, the rear wall of the operating cabin 6 and the upper end of the notch 8 of the bonnet after the bonnet portion 7B is removed. In order to seal the gap between the
5 is attached with bolts 16, and is configured to prevent the intrusion of rainwater, etc.

When the operating cabin 6 is removed for work, as shown in FIG. It is structured as follows.

The elastic sealing material 15 may be provided on the entire circumference of the facing surface between the operating cabin 6 and the notch 8, and the structure according to the present invention is applicable not only to backhoe work vehicles but also to various swing work vehicles such as crane vehicles. Applicable.

In summary, the present invention provides the driving cabin 6
The engine is mounted so that its rear upper portion is located above a portion of the engine bonnet 7 on the side opposite to the swing axis X, so that the engine is mounted along the top plate 7C of the engine bonnet 7. An engine bonnet portion 7B that is formed by bulging toward the upper space side of the bonnet 7 and is located below the bulging portion of the operating cabin 6 in plan view.
is characterized in that it is configured to be detachable from the remaining bonnet main body portion 7A excluding this bonnet portion 7B.

By adopting the above configuration, the present invention is equipped with a driving cabin 6 that is detachable on the swivel base 2, and can be used in both a state in which the driving cabin 6 is mounted and a state in which it is removed. In a swinging work vehicle that can be used freely, when the driving cabin 6 is removed, the engine bonnet portion 7B in the area below the bulging portion of the driving cabin 6 is attached to the bonnet main body portion 7A. In this state, the engine bonnet 7 can be configured to cover the entire engine room, and when the driving cabin 6 is mounted, the engine bonnet 7 can be configured to cover the entire engine compartment. Operating cabin 6 located above a portion
However, the rear upper bulging portion is located at a position corresponding to the engine bonnet portion 7B in a range below the bulging portion in plan view, and in this state, the engine bonnet portion 7B is Even if the engine bonnet 7 is removed from the bonnet main body part 7A and the engine bonnet 7 is swung open and closed with the operating cabin 6 still mounted and installed on the swivel base 2, the part where the engine bonnet part 7B is removed will not be attached to the engine bonnet. A cutout portion is formed in a part of the engine bonnet 7, and the cutout portion serves as a means for avoiding interference with the bulged portion, thereby making it possible to avoid contact between the engine bonnet 7 and the operating cabin 6.

Therefore, in addition to the operating state in which the operating cabin 6 is removed, when the operating cabin 6 and the engine bonnet 7 are arranged and used within the limited installation area on the swivel base 2, the operating cabin 6 may be used as the operating cabin 6. The upper part of the rear wall bulges out toward the bonnet 7 side so that the back of the head of the driver in the seated position does not come in contact with the engine bonnet 7, thereby widening the living space, but the space inside the engine bonnet 7 is not narrowed. The engine bonnet 7 can be freely swung open and closed, making it convenient for repair and inspection. In other words, the limited flat space on the swivel table can be effectively used to keep the engine room and cabin space as wide as possible, providing comfortable living conditions, as well as the ability to remove the operating cabin 6 for each repair or inspection. It is convenient for maintenance and inspection because the engine bonnet can be opened and closed easily without such trouble.

Note that although reference numerals are written in the claims section of the utility model registration for convenience of comparison with the drawings, the present invention is not limited to the structure of the attached drawings by such entry.

[Brief explanation of the drawing]

The drawings show an embodiment of the swinging work vehicle according to the present invention, and FIG. 1 is an overall side view, FIG. 2 is an exploded perspective view showing the main parts, FIG. FIG. 4 is a cross-sectional view of the main part showing the cover body attached state, and FIG. 4 is a cross-sectional view of the main part showing the vibration isolation structure. 2...Swivel base, 6...Driving cabin, 7...Bonnet, 7A...Bonnet main body part, 7B...
...Bonnet part, 7C...Top plate, X...Swing axis center.

Claims (1)

[Scope of utility model registration request] A rotating working vehicle is provided with a driving cabin 6 which is detachably attached and an engine bonnet 7 which is vertically swingable around one of its right and left sides, respectively, on a rotating base 2, and wherein the driving cabin 6 is provided with: In order to install the engine bonnet so that its rear upper part is located above a part of the engine bonnet 7 on the side opposite to the swing axis X, the engine bonnet is mounted along the top plate 7C of the engine bonnet 7. The engine bonnet part 7B is formed to bulge out toward the upper space side of the engine bonnet 7, and the engine bonnet part 7B in a range below the bulge part of the driving cabin 6 in plan view is replaced by the remaining bonnet body part 7A excluding this bonnet part 7B. A swing work vehicle characterized by being configured to be detachable from the vehicle.