JP3657249B2 - Arrangement structure of wiper drive mechanism in tractor - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to an arrangement structure of an operation panel for performing on / off operation of auxiliary equipment such as a headlamp, a flasher lamp, an air conditioner, and an audio device, and in particular, while the aircraft is traveling, without removing the line of sight of the front and lower sides. The present invention relates to a mobile agricultural machine that can reliably perform the on / off operation of each of the above equipments.
[0002]
[Prior art]
Conventionally, in mobile agricultural machines such as tractors and combines that have cabins that cover the operation section of the aircraft, instrument panel boxes such as speedometers, fuel gauges and farm work-related control switches, and display meters are stretched by the front glass. Along with the operation handle along the lower edge of the frame, the instrument can be easily operated and confirmed while operating the handle while the aircraft is running.
However, the operation switches of auxiliary equipment for traveling such as headlamps and wipers, or the operation switches of indoor auxiliary equipment such as air conditioners and radios are used less frequently than the above-mentioned instruments. Auxiliary equipment operation switches are provided at positions that do not impair the operability of equipment, such as the lower part of the instrument panel box or between the upper part of the front frame and the roof of the cabin. When performing the operation, it is necessary to remove the line of sight ahead in the aircraft traveling direction, which may impair the safety of the aircraft.
[0003]
[Problems to be solved by the present invention]
The present invention was devised in order to solve the conventional problems in view of the above situation, and the purpose of the present invention is to perform on / off operations and confirmation of various auxiliary equipment even while the aircraft is running. It can be easily performed without removing the line of sight in the forward and lower direction of travel, and the operation switches for the auxiliary equipment above are installed in a separate operation box from the instrument panel box for inspection and maintenance. Is intended to provide a mobile agricultural machine that can be assembled and removed with simple work, and can improve both workability in disassembly and assembly and improvement in operability of auxiliary equipment during field work. It is.
[0004]
[Means for Solving the Problems]
In order to solve the problems, the technical means adopted by the present invention is that a bonnet having an engine is arranged in the front part of an airframe having front wheels and rear wheels, and a driving handle, a fuel gauge, etc. are arranged in the rear part of the panel. In a tractor provided with a cabin having an operation control unit composed of an instrument panel box arranged on the surface, between the panel surface inclined in a low shape before and after the instrument panel box and the windshield in front of the panel surface The windshield wiper drive mechanism covered by the auxiliary equipment operation box is disposed so as to fit at least within the right and left width of the instrument panel box, and the rotational drive shaft directed forward from the wiper drive mechanism The windshield wiper is projected through the windshield and driven by the windshield wiper.
The wiper drive mechanism is built in an operation box placed and fixed on the upper surface of the instrument panel box, and an on / off switch for driving the wiper and an on / off switch for cleaning the windshield are provided on the operation panel of the operation box. It is characterized by being configured to provide.
[0005]
[Action]
Therefore, according to the present invention, it is possible to operate the auxiliary equipment safely and easily without removing the line of sight in the forward and downward direction while the aircraft is traveling.
[0006]
【Example】
The configuration of the present invention will be described in detail based on an embodiment shown in the drawings.
1 and 2, reference numeral 1 denotes an aircraft of a cabin type tractor. The aircraft 1 is provided with a bonnet 2 in which an engine is built in a front portion of an aircraft frame having front and rear wheels (not shown), and a rear portion thereof. And an instrument panel box 4 in which a speedometer, a fuel gauge, and various agricultural operation switches are arranged on a panel surface 4a that is inclined to a front height and a low shape in which the front side of the machine body is high and the rear side is low. A cabin 6 having a driving operation unit 5 is formed, and a rear axle case 7 is disposed at a lower rear portion of the cabin 6 to constitute a cabin type tractor 1.
[0007]
The cabin 6 is formed of a front frame 9 and a ceiling portion 10 on which a windshield 8 is stretched, and left and right support columns 11 and 11 for supporting the ceiling portion 10 on the side of the cabin 6. Pipe frames 12 and 12 for supporting the left and right rear portions of 6 from below are obliquely installed near the upper portion of the rear axle case 7, and the lower pipes 12a and 12a are shown in FIG. 3 (b). 1 to the horizontal pipe frames 13 and 13 which are bent horizontally in the direction of travel of 1 and extend to the upper position of the rear axle case 7 along a body frame (not shown). The rear part of the cabin 6 is supported on the fuselage frame by welding via 14.
[0008]
Accordingly, as shown in FIG. 2A, the lower ends of the pipe frames 12 ′ and 12 ′ are connected to the horizontal pipe frames 13 ′ and 13 ′ passing through the side surfaces of the rear axle case 7 via the plates 14 ′ and 14 ′. In the conventional configuration, the rear axle case 7 cannot be removed unless the cabin 6 is removed during the inspection and maintenance work of the rear axle. By simply removing the brackets 15 and 15, the rear axle case 7 can be easily removed from the left and right sides, and the workability of inspection and maintenance can be improved.
[0009]
Further, an operation box 16 is placed and fixed between the inner surface of the front frame 9 and the upper surface of the instrument panel box 4, and the auxiliary equipment operation panel 17 is provided with FIGS. 2 (a) and 2 (b). As shown, the on / off switch 19 of the headlamp 18 provided on the front surface of the bonnet 2, the on / off switch 21 that drives the wiper 20 of the windshield 8, and the on / off switch that also cleans the windshield 8 with the wiper 20. The operation panel 17a for auxiliary equipment for running with 22 and the air conditioning changeover switch 23 for an air conditioner (not shown) and the operation panel 17b for indoor auxiliary equipment with a slide volume 24 for adjusting the strength of the air conditioning are respectively assisted. The equipment operation panel 17 is arranged on the left and right sides of the center, and the operation box 16 further includes a front frame 9 and a front panel. Wiper drive mechanism 26 which projects the rotary drive shaft 25 of the wiper 20 to the outdoor through the sharpened 8 is furnished.
[0010]
Since the present invention is configured as described above, while the cabin type tractor 1 is traveling, the operator A checks the traveling speed and operates the farm work switch while looking at the panel surface 4 a of the instrument panel box 4. The operation of other auxiliary equipment for traveling or indoor use is performed on the auxiliary equipment operation panel 17 of the operation box 16.
[0011]
Here, as shown in FIG. 1, the auxiliary equipment operation panel 17 has a range in which the operator A seated in the driving operation unit 5 can secure a visual field in the front and lower direction with a slight vertical movement of the head, that is, an instrument. Because it is in a position that falls within the line of sight B formed between the line of sight B1 from the panel surface 4a of the panel box 4 to the upper edge of the front surface of the bonnet 2 and the line of sight B2 facing forward slightly below the horizontal line of sight, The on / off operation and confirmation of the various auxiliary equipments can be easily performed without removing the line of sight of the forward direction of the traveling direction even while the airframe 1 is traveling, which may hinder safe traveling of the airframe 1. There is no.
[0012]
Also, since the operation switches of the auxiliary equipment are collectively arranged in the operation box 16 provided separately from the instrument panel box 4, the operation switches can be easily assembled even during inspection and maintenance. The wiper drive mechanism 26 and the on / off switch 21 for switching the drive are also disposed in the operation box 16 and the auxiliary equipment operation panel 17 in close proximity to each other. The wiring system can be completed by wiring processing, and it can be used as a harness for auxiliary equipment independent of the harness for the instrument wired to the speedometer, fuel gauge, various agricultural switches, etc. of the instrument panel box 4. It becomes clear and it becomes easy to check and maintain electrical equipment.
[0013]
【The invention's effect】
In short, the present invention includes a bonnet with an engine built in the front part of the fuselage equipped with front and rear wheels, and an instrument panel box in which a driving handle and a fuel gauge are arranged on the panel surface at the rear part. In a tractor equipped with a cabin having a driving operation section, the instrument panel box is covered with an auxiliary equipment operation box between the front and rear windshields of the instrument panel box, which is inclined to a low level. The windshield wiper drive mechanism is placed so as to fit at least within the lateral width of the instrument panel box, and the rotational drive shaft that faces forward from the wiper drive mechanism passes through the front windshield to the outside. It is configured to drive the windshield wiper by projecting, and the wiper drive mechanism is mounted on the upper surface of the instrument panel box. Since the on / off switch for driving the wiper and the on / off switch for cleaning the windshield are provided in the operation panel of the operation box, it is equipped with a fixed operation box. Since the operation panel of the operation box is located in the line of sight below the front, the on / off operation of the on / off switch for driving the wiper and the on / off switch for cleaning the windshield and the confirmation thereof can be performed in the direction of travel even while the aircraft is traveling. This can be done easily without removing the line of sight in the forward and downward direction, and does not hinder safe driving of the aircraft.
In addition, a windscreen wiper drive mechanism covered by an operation box of auxiliary equipment is provided at least between the front and rear panel surfaces of the instrument panel box, which is inclined to the front and rear of the instrument panel box. Since the wiper drive mechanism is installed in the operation box and the on / off switch for switching the wiper drive is provided on the operation panel of the operation box The mechanism can be easily disassembled and assembled, and the operation switches can be easily inspected, assembled and removed during maintenance.
Moreover, since the harness for the wiper drive mechanism can be made independent of the instrument harness wired to the speedometer, fuel gauge, various agricultural work switches, etc. of the instrument panel box, the wiring system becomes clear and the electrical components are related. This has a very useful novel effect that inspection and maintenance can be easily performed.
[Brief description of the drawings]
FIG. 1 is a partially omitted side view of a cabin type tractor.
FIG. 2 (a) is a front view of an auxiliary equipment operation panel disposed in the cabin.
FIG. 4B is a side view of the main part showing the positional relationship between the wiper driving mechanism and the wiper built in the operation box.
FIG. 3A is a side view of a main part showing the configuration of a conventional pipe frame that supports a cabin.
(B) is a principal part side view which shows the structure of the pipe frame which supports a cabin.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Aircraft 4 Instrument panel box 5 Driving | operation operation part 6 Cabin 8 Windshield 9 Front frame 16 Operation box 17 Operation panel 26 for auxiliary equipment Wiper drive mechanism B Line of sight

Claims (2)

An instrument panel box with an engine-mounted bonnet (2) at the front of the fuselage with front and rear wheels, and a driving handle (3) and fuel gauge etc. on the panel surface (4a) at the rear (4) In the tractor (1) provided with the cabin (6) having the operation unit (5) comprising the panel surface (4a ) inclined to the front and rear of the instrument panel box (4). ) And the windshield (8) in front of it, the wiper drive mechanism (26) of the windshield (8) covered by the auxiliary equipment operation box (16) is at least left and right of the instrument panel box (4) . The windshield glass is disposed so as to fit within the width, and the rotation drive shaft (25) heading forward from the wiper drive mechanism (26) passes through the front windshield (8) and protrudes outside the windshield. A wiper in a tractor characterized by being configured to drive the wiper (20 ) of (8) Arrangement structure of drive mechanism. The wiper drive mechanism (26) is housed in an operation box (16) mounted and fixed on the upper surface of the instrument panel box (4), and an on / off switch (21) and a windshield (20) for driving the wiper (20). The arrangement structure of the wiper drive mechanism in the tractor according to claim 1, wherein the on / off switch (22) for performing the cleaning of (8) is provided on the operation panel (17) of the operation box (16).

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