JP2001055759A - Operation and control equipment for construction machinery - Google Patents

Abstract

(57) [Summary] [Problem] To easily and surely confirm the display of a monitor panel by a driver, there is no need for the driver to lose his driving posture even during mode operation, and the passage route of a wire harness and the like is simplified. And a driving control device for a construction machine. SOLUTION: A control box unit 17 provided with at least a control device for operating a work machine can be set at a position in front of a driver's seat 5 and at a height easily operated by a driver during use, and various displays are provided. A monitor panel section 18 having instruments and mode operation switches is connected to the control box section 1.
7 and is installed at a position substantially in the line of sight of the driver in front of the driver.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driving device for a construction machine.

[0002]

2. Description of the Related Art In a construction machine, for example, a vehicle information display panel such as a fuel gauge and a water temperature gauge, an information display panel indicating the status of a set work mode, and mode operation switches for setting and changing the work mode ( Hereinafter, these are collectively referred to as a “monitor panel”), which is protruded from a side wall in the cab or attached to a side portion of the cab via a support member.

FIGS. 5A and 5B are a side sectional view and a bird's-eye view of the conventional cab. In this conventional example, an operator's cab (Japanese Patent Application No. 10-36) of a construction machine equipped with a driving control device according to the prior application of the present applicant is disclosed.
9298) and the control box 50
Is configured to be able to stand still at a height position that is easy for the driver to operate in front of the driver's seat 51 during use. In the illustrated example, the monitor panel 52 is attached at a position on the right front side of the driver's seat 51 and close to the lower edge of the window frame.

[0004]

However, in the method of mounting the monitor panel 52 as described above, the line of sight P when the driver 53 gazes at the monitor panel 52 is predetermined to the right with respect to the front work line of sight Q. In order to be at a position shifted from the angle and further away from the control box 50, in other words, at a position far from the position of the eyes of the driver 53 (see FIG. 5A), the driver 53 There is a problem that it is necessary to greatly move the line of sight when confirming the display content, and it is necessary to break the normal driving posture and perform the operation when performing the mode operation.

[0005] Normally, the driver 53 has a forward working line of sight Q.
, The operator takes care of the information displayed on the monitor panel 52 at the lower side of the vehicle and overlooks the necessary measures for the information, or delays in noticing the information. May occur. In addition, as a result of disturbing the driving posture during the mode operation, there is a problem that the setting or changing operation of the operation mode desired by the driver is delayed, and the operation situation expected by the driver cannot be immediately obtained.

Further, in this conventional structure, since the monitor panel 52 is mounted at a position separated from the control box 50, the power supply and signal cables and the wire harnesses 54 and 55 are connected to the monitor panel 52 and the control box 50. Therefore, there are problems that the passage route of the wire harness and the like becomes complicated and the number of assembling steps increases.

In the conventional structure, the monitor panel 5
2 protrudes from the side wall of the cab or is attached to the side of the cab via a support member, so that the shape of the side wall surface or its interior material becomes complicated, There is a problem that the protrusion comes into contact with the driver's leg, or that the indoor space is narrowed to give a feeling of oppression to the driver.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and allows the driver to easily and reliably confirm the display on the monitor panel, and does not require the driver to maintain his driving posture during mode operation. Moreover, it is an object of the present invention to provide a driving and operating device for a construction machine capable of simplifying a passage route such as a wire harness.

[0009]

Means for Solving the Problems and Action / Effect In order to achieve the above object, a driving control device for a construction machine according to the present invention comprises a control box provided with at least a control device for controlling a working machine. A driving control device for a construction machine, which is capable of standing still at a height position that is easy for a driver to operate in front of the control box, wherein the control panel includes a monitor panel unit including various display instruments and mode operation switches. It is housed in the same box, and is installed at a position substantially in the line of sight of the driver in front of the work.

According to the present invention, a monitor panel provided with various display instruments and mode operation switches is provided with a control box which is set at a position in front of a driver's seat and at a height easily operated by a driver during use. Since it is housed in the same box and is installed at a position almost in the line of sight of the driver in front of the operation, the driver rarely misses the confirmation of the display on the monitor panel when operating using the control box, and It is possible to avoid occurrence of a problem such as causing an abnormality on the vehicle side. In addition, since the mode operation switches are located at a position close to the driver and in the vicinity of the operating device for operating the work implement, the driver does not need to change the driving posture when operating the mode, and the driver can be instantaneously operated. Can be set or changed as expected, and work can be performed under comfortable and highly efficient conditions. Further, since the monitor panel is housed in the same box as the control box, the passage of these cables and wire harnesses can be simplified, and the work of assembling them can be facilitated. In addition, since the monitor panel is not protruded from the side wall of the cab unlike the conventional case, the shape of the side wall and the interior material near the monitor panel are simplified, and the monitor panel is in contact with the driver's leg. Without doing so, the indoor space is widened and the feeling of oppression to the driver is eliminated, and the driver can perform the work comfortably.

In the present invention, the various display instruments may include an instrument for displaying a driving condition of the vehicle, a display section for various warnings, a time display section, and an information memory section.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a specific embodiment of an operation and control device for a construction machine according to the present invention will be described with reference to the drawings.

FIG. 1 is a side sectional view of an operator's cab according to an embodiment of the present invention, FIG. 2 is a bird's-eye view of the operator's cab, and FIG. However, FIG. 4 is a view as viewed from the direction of the arrow Z in FIG.

In this embodiment, a mounting base 3 is provided substantially at the center of the floor 2 in the cab 1, and a plate 4 is mounted on the mounting base 3 via a front-rear slide mechanism 4A. On this plate 4, there is a seat slide mechanism 5A.
The driver's seat 5 is attached via the. Note that a driver's seat or the like above the plate 4 is rotated via a rotation mechanism (not shown) installed between the slide mechanism 4A and the mounting base 3 so as to facilitate the securing of a field of view when working backward. You can also.

On the floor 2 in front of the driver's seat 5,
A pair of left and right traveling operation pedals 6, 6 and footrests 7, 7 are arranged at required intervals. Here, each of the traveling operation pedals 6 and 6 has a structure that can be stepped forward and backward.

On one side of the plate 4 (the side opposite to the door), a mounting base 10 for mounting the switch panel 8 and the control box bracket 9 is mounted. An arm support shaft 11 is provided at the upper end of the control box bracket 9 with its axis oriented in the front-rear direction. The arm 12 is supported so that the base end thereof is pivotally supported by the arm support shaft 11. ing. Thus, by turning the arm 12 about the arm support shaft 11, the arm 12 can be turned from a horizontal state to an upright state. In addition, a structure in which the axis of the arm support shaft 11 is set to be substantially vertical, and includes a structure in which the arm 12 can be rotated forward from the stationary position.

A driving control device 13 is attached to the tip of the arm 12. This driving control device 13
The left and right edges have handles (hand rests) 15 and 15 for supporting the hand of the driver 14, and are formed in a box shape as a whole, on the upper surface of the box body 16 and the driver 1.
The control box 17 is provided on the side close to the control box 4, and a monitor panel 18 is provided on the front side of the control box 17. The box 16
Is inclined to the driver's seat 5 side so that the driver 14 can easily operate.

In the control box section 17, driving control levers 19a and 19b as operating devices for driving the vehicle are respectively provided so as to protrude to the left and right on the side facing the driver 14, and a fuel is provided at the center. A control lever 20 is provided. Each of these levers 19
Work implement control levers 21a and 21b as operation equipment for work implement control are respectively provided so as to protrude left and right in front of a, 19b and 20. These traveling control levers 1
9a, 19b, work implement control levers 21a, 21b, etc., are provided with a control signal transmission section in the box 16, and transmit electric signals to the work implement and each operation control device of the travel drive section, respectively. Activate the control device.

On the other hand, in the monitor panel section 18, instruments such as a water temperature gauge 22 and a fuel gauge 23 are provided on the left and right, and the setting or change of a working mode is performed by a touch switch or the like on the near side of the center. A mode operation switch 24 to be performed is provided, and a display section 25 for displaying various warnings (abnormality warnings such as remaining battery level, oil pressure, oil temperature, etc.), information memory, and time display is provided in front of the mode operation switches 24. I have.
Here, examples of the setting contents of the work mode include switching of the traveling speed, the engine speed, the setting of the maximum hydraulic pressure, the work machine speed, and the like.

The control box unit 17 and the monitor panel unit 18 are energized and signal cables and a wire harness 26 are pulled out from the side of the driving control unit 13 to be inside the arm 12 and the control box bracket 9. It is brought back from the lower side of the driver's seat 5 through the space.

When the driving control device 13 is used,
The traveling control levers 19a and 19b and the work implement control levers 21a and 21b arranged at the upper part are at a height at which the driver 14 can operate the driver 14 in a natural posture while sitting in the driver's seat 5; The position can be held at a slightly higher height. On the other hand, when the driver 14 is seated in the driver's seat 5 or leaves the driver's seat, the driver's steering device 13 is lifted and turned upward around the arm support shaft 11, so that the front of the driver's seat 5 is opened. It is easy to get on and off.

In the driving control device 13, the base end of the arm 12 abuts against a contact piece 9a provided on the distal end side of the control box bracket 9 during use, and maintains the posture thereof. Further, a power circuit connected to the operating device of the control box unit 17 is cut off at an appropriate position of the arm 12 when the arm 12 is raised,
For example, a limit switch or the like is provided to ensure safety during non-operation.

According to the present embodiment, the control box unit 17 and the monitor panel unit 18 are integrated and the driving control unit 13
Is formed, and since the driving control device 13 is concentrated at a position in front of the driver's seat 5 where the driver 14 can easily operate, the user reaches for the control levers arranged around the driver's seat 5 as in the related art. Thus, there is no need to perform operation in a wide range, and the operation can be easily performed by hand operation.

Further, since the monitor panel section 18 including the various display instruments 22, 23, 25 and the mode operation switches 24 is installed at a position substantially in front of the operation box section 17 in the line of sight of the work, the driver 14 can be provided. When operating various levers of the control box section 17, the monitor panel section 1
There is almost no risk of overlooking the display contents of No. 8. Therefore, if necessary measures for information from the vehicle side are overlooked,
It is possible to avoid occurrence of a problem such as causing an abnormality on the vehicle side due to delay in noticing the information. In addition, since the mode operation switches 24 are disposed immediately before the driver 14, the driver 14 does not need to change his driving posture during the mode operation, and can instantaneously set or change the work state expected by the driver. There is the advantage that it can be done.

Further, since the monitor panel section 18 and the control box section 17 are housed in the same box, the passage of these cables and the wire harness 26 can be simplified, and their assembling work can be performed. Can also be facilitated. In addition, since the monitor panel is not provided at a position in contact with the legs of the driver 14 as in the related art, there is an advantage that the interior space of the driver's cab 1 is widened and the driver does not feel pressure.

In this embodiment, the monitor panel 18
In the above description, the control panel unit 17 and the control box unit 1 are integrated with each other.
7 is formed in an independent box body, and an embodiment in which these two box bodies are arranged close to each other is also possible.

In the present embodiment, the control box 17
Although both the operating device for operating the working machine and the operating device for operating the vehicle traveling are described in the above, the operating box section 17 may include only the operating device for operating the working machine. it can.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a cab according to an embodiment of the present invention.

FIG. 2 is a bird's-eye view of the cab according to the present embodiment.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a view taken in the direction of the arrow Z in FIG. 1;

5 (a) and 5 (b) are a side sectional view and a bird's-eye view of a conventional cab, respectively.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Operator's cab 2 Floor surface 3 Mounting stand 4 Plate 4A Plate slide mechanism 5 Driver's seat 5A Driver's seat slide mechanism 8 Switch panel 9 Steering box bracket 10 Mounting stand 11 Arm support shaft 12 Arm 13 Operation control device 14 Driver 15 Handle 16 Box 17 Control box 18 Monitor panel 19a, 19b Travel control lever 21a, 21b Work implement control lever 22 Water temperature gauge 23 Fuel gauge 24 Mode operation switches 25 Display unit 26 Cable, wire harness

Claims (1)

[Claims] An operation control device for a construction machine, wherein a control box provided with at least an operation device for operating a work machine can be stood in front of a driver's seat and at a height easily operated by a driver during use. A construction machine characterized in that a monitor panel section provided with various display instruments and mode operation switches is housed in the same box as the control box, and is installed at a position substantially in a line of sight of a driver in front of work. Driving control equipment.