JPH0333636B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an operating device for an outrigger that supports a vehicle body of a construction machine such as a truck crane.

For example, in a self-propelled crane such as a truck crane, a plurality of outriggers are installed on the car body at the front and rear sides of the swivel platform to support the car body during crane operations, and these outriggers are usually attached to the car body. Its extension and storage can be operated from the placed operation box.

However, if the above-mentioned operation box is placed on the car body in this way, when the operator wants to adjust the outrigger extension state during crane work, the operator must manually control the car body from the operation cab installed on the swivel platform on the car body. There is a problem in that the outriggers have to go outside, making operation of the outriggers extremely troublesome.

For this reason, it is conceivable to place the above-mentioned operation box inside the work operation cab, but in this case, the outrigger operation device installed on the vehicle body must be visible from inside the work operation cab and located behind the swivel base. There is a problem in that it is not possible to perform delicate extension operations of the outriggers due to poor performance.

Therefore, in order to satisfy the above-mentioned two contradictory conditions, it is sufficient to arrange the above-mentioned operation boxes in both the vehicle body and the working cab, but in this case, the structure becomes complicated and There is a problem that increases costs.

This invention was made based on the above circumstances, and its purpose is to provide an outrigger operating device for construction machinery that can improve the operability of the outrigger with a single operating section. .

That is, the present invention is characterized in that the operation box is provided so that its posture can be changed so that it can be handled not only from inside the operating cab but also from outside the vehicle body.

A first embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

Figure 1 shows a self-propelled crane, where 1 is the car body, 2
3 is a swivel base, 3 is a work operating cab placed on the swivel base 2, 4 is a crane device consisting of a telescopic boom 5, etc., also installed on the swivel base 2, and 6 is an outrigger that supports the vehicle body 1 during crane work. , are provided on the vehicle body 1 at the front and rear sides of the swivel base 2, respectively. In the case of the self-propelled crane shown in FIG. 1, the working cab 3 also serves as a traveling cab in which the vehicle body 1 travels.

An operation box 7 is disposed within the work operation cab 3 as an operation section for operating the outriggers 6. This operation box 7 is located adjacent to a driver's seat 9 facing the door 8 side in the operating cab 3, and its upper surface is configured as an operation panel 10. The operation box 7 is mounted so as to be rotatable via a hinge shaft 11 shown in FIG. When the door 8 is opened, it can protrude to the outside of the working cab 3.
In addition, 12 indicates a connection from the operation box 7 to each outrigger 6.
It is a code for transmitting electrical signals to...

Therefore, according to the first embodiment with such a configuration, the operation box 7 is arranged inside the work operation cab 3, so that the operator located inside the work operation cab 3 can operate the crane device 4. In addition, each outrigger 6 provided on the vehicle body 1 located at the rear side of the swivel base 2 can be extended and retracted.

In addition, the outrigger 6 from inside the work operation cab 3...
If it is not possible to perform delicate extension operations, open the door 8 of the operating cab 3 and allow the operation box 7 to protrude outside as described above.
A worker located outside the operation cab 3 of the vehicle body 1 can operate the outriggers 6 provided on the vehicle body 1 by being located behind the swivel base 2.

Furthermore, in the case of the first embodiment, when the operation box 7 is protruded from the work operation cab 3, the operation panel 10 is parallel to the side surface of the vehicle body 1 as shown in FIG. The operation of each of the outriggers 6, 6 becomes easy.

The present invention is not limited to the first embodiment described above, and a second embodiment is shown in FIGS. 3 and 4.
In this second embodiment, the operation box 7 is rotatably attached to the driver's seat 9 via a pivot 13. With this configuration, by rotating the operation box 7 downward as shown by the imaginary line in FIGS. 3 and 4, the operation can be performed from the outside of the vehicle body 1, and the above-mentioned operation can be performed from the outside of the vehicle body 1. The box 7 itself does not interfere with getting on and off the driver's seat 9.

Furthermore, the present invention is not limited to the first and second embodiments described above, and the embodiments shown in FIGS.
The figure shows a third embodiment. In this third embodiment, like the second embodiment, the operation box 7 is pivoted to the driver's seat 9 via a pivot 13, but in this case, the pivot 13 is connected to the driver's seat 9 as shown in FIG. seat 9
It is housed in a submersible manner. Further, as shown in FIG. 6, the operation box 7 is connected to a pivot 13 via an arm 14, and is rotatable about an axis perpendicular to the axis of the pivot 13. Therefore, according to the third embodiment, by protruding the pivot shaft 13 as shown in FIG. Further, by rotating the operation box 7 via the arm 14, the operation panel 10 is positioned parallel to the side of the vehicle body 1 as in the case of the first embodiment. be able to.

The present invention is of course applicable not only to self-propelled cranes such as truck cranes, but also to other construction machines equipped with outriggers such as vehicle-type shovels.

As explained above, according to the outrigger operating device for construction machinery of the present invention, the operating box can be handled by either a worker located inside the work operating cab or a worker located outside. It is possible to easily operate not only the outriggers located on the front side of the swivel base and provided on the vehicle body, but also the outriggers located on the rear side of the swivel base and provided on the vehicle body.

In addition, the operation box has a posture and position that allows it to be handled by a worker located inside the work operation cab, and a position where it can be handled by a worker located outside the work operation cab, due to the shaft provided in the work operation cab. Since the control box is supported so that it can be moved between different postures and positions, the structure in which the operation box is provided is simple, and the operation box can be placed inside the cab.
It is very economical because it only needs to be provided individually and there is no need to provide it outside the operating cab.

[Brief explanation of drawings]

1 and 2 show a first embodiment of the present invention, in which FIG. 1 is a side view of a self-propelled crane, FIG. 2 is a sectional view taken along the line - in FIG. 1, and FIGS. 4
The figures show a second embodiment of the invention, FIG. 3 is a side view of the working cab, FIG. 4 is a sectional view taken along the line - in FIG. 3, and FIGS. Embodiment 3 is shown, and FIG. 5 is a view showing how the operation box is attached to the driver's seat, FIG. 6 is a view taken from the direction of the arrow in FIG. 5, and FIG. 7 is a sectional view of the work cab. 1...Vehicle body, 3...Work operation cab, 6...Outrigger, 7...Operation box (operation section), 9...
...driver's seat.

Claims (1)

[Claims] 1. A swivel base is provided on the vehicle body, and a construction work device and a work operation cab for operating the construction work device are provided on the swivel base, and outriggers are provided on the vehicle body located on the front and rear sides of the swivel base. In the construction machine, an operation box for operating the outrigger is arranged inside the work operation cab,
This operation box has a posture and position that can be handled by a worker located inside the work operation cab and a position that can be handled by a worker located outside the work operation cab by means of a shaft provided in the work operation cab. 1. An outrigger operating device for construction machinery, characterized in that the outrigger operating device is supported so as to be movable between postures and positions in which the