JPH08296516A - Moving agricultural machine - Google Patents

Abstract

(57) [Summary] [Purpose] To accurately detect the remaining workable time from the remaining amount of fuel in the fuel tank. [Structure] A fuel consumption amount detecting means (38) for detecting the fuel consumption amount of the engine (40) and a fuel remaining amount detecting means (47) for detecting the fuel remaining amount of the fuel tank are provided. The remaining workable time is calculated and displayed from.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile agricultural machine equipped with a tilling rotary working machine at a rear portion of a traveling vehicle or a tractor towing a plow or the like for carrying out the tilling work.

[0002]

2. Description of the Related Art In cultivating work using a tractor or the like, work such as estimating the travelable distance from experience based on the remaining amount of fuel is usually performed.

[0003]

However, in this case, in addition to lacking in accuracy, there is a problem that it is not easy to estimate the workable time that can be performed with the remaining amount.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention comprises a fuel consumption detecting means for detecting the fuel consumption of an engine,
A remaining fuel amount detecting means for detecting the remaining amount of fuel in the fuel tank is provided to calculate and display the remaining workable time from the remaining amount of fuel. It is intended to make the worker accurately perceive and to make the work more convenient and more efficient.

Further, the workable time is calculated only by using the detected value when the engine load is above the set value, and the workable time is calculated under the stable work condition where the engine load is above the set value, and the error is calculated. Is minimized to improve the accuracy of detecting the workable time.

[0006]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a side view of a rotary portion, FIG. 2 is a side view of the whole, and FIG. 3 is a plan view of the same. In the figure, (1) is a tractor that is a traveling vehicle having front and rear wheels (2) and (3), A steering handle (6) is provided in front of the driver's seat (5) in the driving cabin (4), and the steering wheel (6) is used to turn the front wheels (2) to steer the vehicle body. There is.

As shown in FIG. 4, a side drive type tilling rotary working machine (8) is mounted on a tractor (1) via a three-point link mechanism (7) so as to be lifted and lowered. 9) is arranged, and the input shaft (10) is connected to the PTO shaft of the tractor (1) via the drive shaft with a universal joint to input the plowing drive force to the gear box (9).

A beam (11) as a main frame is projected from both sides of the gear box (9) to both sides,
A support plate (12) is fixedly installed in the middle of each of the beams (11), and a pin (14) that pivotally connects the lower link (13) of the three-point link mechanism (7) to the front end of the support plate (12). ) Is projected, and the depth frame (1
The front end of 5) is pivotally supported, and the rear end of the top link (17) of the three-point link mechanism (7) is connected to the front end of the mast (16) above the gear box (9).

Further, an upper part of a chain case (18) is fixedly provided at an outer left end of the beam (11), and a tillage claw shaft (19) is horizontally installed at a lower part of the chain case (18) to form the tillage claw shaft ( 19) A large number of plowing nails (20) consisting of nata nails are radially planted in a side view, and the plowing nails (20) are also provided.
The upper part of the rotation locus is covered by a rotary cover (21), and both sides are covered by side covers (22).
The plowing shaft (19) is a gear in the gear box (9), a transmission shaft in the beam (11), a chain case (1).
8) Driven through the sprocket and the chain in the inside, the plowing is performed by rotating the plowing claws (20).

Further, a first plate (23) is fixedly provided in front of the left and right ends of the beam (11), and a bolt (24) and a second plate (2) are provided at a front end of the plate (23).
5) through which a pipe-made supporting rod (25) is horizontally mounted, and a pivot shaft (27) is rotatably inserted into the pipe-made supporting rod (26) to form a double shaft structure. The spring steel cutting blade (30) is detachably fixed to the fixed mounting plates (28) sandwiching the second plate (25) of the rotating shaft (27) through the bolts (29). Cutting blade (3
The tip edge part of 0) is made to plunge into the soil. An electric lift cylinder (electric motor) (31) for raising and lowering the cutting blade is provided between the second plate (25) and the fixed mounting plate (28), and a fixed bracket for the second plate (25). The electric cylinder (3) is connected to the (32) via the pivot (33).
1) is supported and the tip of the rod (34) of the electric cylinder (31) is fixed to the fixed mounting plate (2) via the pivot (35).
8), and the swinging movement of the lifting cylinder (31) causes the cutting blade (30) to swing up and down about the rotary shaft (27) to appropriately change the plunging depth of the cutting blade (30). It is configured to let.

The cutting blade (30) has a straight line portion (3) on the upper side.
0a), the lower side is formed into a curved portion (30b), and the front portion is tilted in a high-rear-low manner so that the curved portion (30b) is seen in a side view in the front portion of the rotation locus (A) of the tiller claw (20). The plowing claws (20) are made to overlap so that the plunging claws (20) are substantially aligned with the soil plunging points of the cutting blade (30).
The soil is cut by the cutting blade (30) at the time of cutting the soil, and the cut soil is easily cultivated by the plowing claw (20) to reduce the load in this plowing work. ing. Further, the cutting blade (30) is
Under hard soil conditions where the rotary tiller (36) rises to a dash state, the inrush length of the cutting blade (30) is adjusted to a large extent to prevent the rotary (36) from rising, while When the tilling load changes and the engine load also increases due to changes in the tractor posture and the tractor posture, the rush length is adjusted to a small value to maintain the engine load stable.

Further, in order to invert the soil after cutting the plowing claw (20), the tip end portion is curved to a right or left alternately by a certain width (about 80 mm) to have elasticity, and has an elasticity of 180 °. Four holders (37) attached to the same cross section of the claw shaft (19) so that the bending direction of the tilling claw (20) is the same in the right or left direction (four per claw shaft (19) rotation) The number of plowing nails (2) is attached in the same direction (2). The turning radius (a) of the tilling claw (20) is set to approximately 245 mm, and the base interval (T) of the adjacent tilling claws (20) (20) in the facing relationship is set to a large gap of 5, while the tip end is The interval (t), which is the gap between the claw loci (L), is approximately 1 (T: t≈5: 1) (T≈200
mm, t≈40 mm), and the base interval (T)
By increasing the number of plowing claws (20) and reducing the number of attachments, the required power is reduced, and the surplus capacity at the time of plowing with the same power is turned to speed to achieve high-speed (about twice the conventional) tillage. It is configured to be possible.

As shown in FIG. 1, an electronic governor control (39) of an engine (40) is connected to a tilling controller (38) which is a fuel consumption detecting means, and a rack for changing the rotation speed of the engine (40). An electronic governor (41) having an actuator (not shown) and an accelerator lever or pedal (not shown) operated by an operator
A potentiometer-type accelerator sensor (42) for detecting the operation amount of the engine and a pickup-type rotation speed sensor (43) for detecting the rotation speed of the engine (40) are connected to the electronic governor controller (39), and the electronic governor (49) is connected. ) The speed of the engine (40) is changed by control so as to increase or decrease the traveling speed.

An engine (40) obtained from a potentiometer type position sensor (44) for detecting an operation amount of a working machine (8) of a lifting lever (not shown) operated by a worker and an electronic governor controller (39). Of the hydraulic lifting cylinder for connecting the load factor setter (45) for setting the reference value of the load factor of (1) to the tilling controller (38) and for lifting and lowering the working machine (8) through the lower link (13). The controller (38) is connected to the output valve of the lift valve (46), and the lift valve (46) is automatically controlled based on the change of the load factor of the engine (40) obtained from the electronic governor controller (39) to perform work. The height of support for the tractor (1) of the machine (8) is varied to change the plowing depth, and the load factor of the engine (40) is maintained at a substantially constant level. It is configured to perform.

Further, a fuel remaining amount sensor (47) which is a fuel remaining amount detecting means for detecting the remaining amount of fuel in the fuel tank of the engine (40), and a working speed for detecting the traveling speed of the tractor (1). Sensor (48) and rotary width setting device (49) for setting the tilling width of the rotary (36)
Is connected to the tilling controller (38), and the controller (38) is connected to the fuel monitor (50) as shown in FIG. 6 so as to output the fuel consumption of the engine (40) during operation and the fuel tank. It is configured to calculate and display the workable time based on the remaining fuel amount.

The present embodiment is configured as described above, and conventionally, for example, the number of claws per one rotation of the claw shaft (19) is one, the claw shaft rotation speed is approximately 170 rpm, and the vehicle speed is 0.5 m / s. With the number of claws per rotation of the claw shaft (19) being two, the number of claw shaft rotations is approximately 170 rpm and the vehicle speed is 1
It is carried out under working conditions of up to 1.5 m / s, and the working speed is substantially doubled or more than that of the conventional one, and work efficiency is greatly improved.

During work, the engine (4
0) Load control is performed in which the working machine (8) is moved up and down based on the change in load to control the engine (40) load constantly, while the amount of fuel remaining in the fuel tank is detected based on detection of the remaining fuel amount in the fuel tank. The workable time is displayed on the monitor (50), and the monitor (50) control will be described below with reference to the flowchart of FIG. 7.

After the initial setting, each signal of the rack position (RA), the engine load factor (F) and the engine speed (R) is read from the electronic governor controller (39) to the tilling controller (38) and the engine speed is read. When (R) is constant (low engine speed such as idling) and the load factor (F) is 10% or more, the sensor value (Z) read by the fuel level sensor (47) is corrected by the fuel tank shape. Then, while converting to the actual remaining fuel amount value (FZ), the rack position (RA) and the engine speed (R) of the input signal are read from a table or map in which the fuel consumption amount is described in advance in the relationship between the engine speed and the rack position. ) To 1 minute fuel consumption (FM)
And calculate the unit (liter / liter) on the fuel monitor (50).
This consumption amount (FM) is displayed in (time). Further, from the relationship between the remaining fuel amount value (FZ) and the consumption amount (FM) FZ / FM,
The workable time (FL) is calculated by the remaining fuel (FZ), and the remaining workable time is expressed in hours and minutes.
It is displayed on the monitor (50) together with M).

In this way, during working, stable conditions are obtained when the engine load is higher than a preset engine load (10%) (F> 10%) and the engine speed is higher than a certain level (for example, idling speed or higher). The fuel consumption amount (FM) and the remaining workable time (FL) are calculated from the data of the data, and the value close to the actual work is always displayed on the monitor (50), and the work by the remaining fuel (FZ) is performed. Available time (F
L) is accurately calculated and displayed, and the fuel supply timing and tank 1
The work efficiency is improved by allowing the worker to sense the end time of the work for each batch.

8 to 9 show a structure in which the fuel consumption (50) and the cultivable area due to the remaining fuel are displayed on the fuel monitor (50). After the initial setting, the governor controller ( Rack position from 39) (RA)
When the load factor (F), engine speed (R), and fuel level (Z) signals are read, the work speed sensor (4
8) and the respective signals of the working speed (S) and the rotary width (W) from the rotary width setting device (49) are also read, and the rack position (RA) is read from the preset table as described above.
Fuel consumption (FE) according to and engine speed (R)
Is the Z / F of the remaining fuel amount (Z) and fuel consumption amount (FE)
The workable time (FL) is calculated from the relationship of E, the fuel consumption amount (FE) is displayed on the monitor (50), and the relationship between the work speed (S) and the rotary width (W) of S × W is calculated. The cultivable area (A) per unit time is calculated from the relationship between this cultivated area (A) and the workable time (FL) A × FL. Engine load factor estimated to be tilling work (F)
The cultivable area (AA) is displayed on the monitor (50) when the ratio is approximately 70% or more to allow the operator to determine whether or not refueling is necessary.

[0021]

As is apparent from the above embodiments, the present invention is directed to the fuel consumption amount detecting means (38) for detecting the fuel consumption amount of the engine (40) and the fuel remaining amount for detecting the remaining amount of fuel in the fuel tank. Since the amount detecting means (47) is provided to calculate and display the remaining workable time from the remaining amount of fuel,
The operator can easily and accurately detect the fuel supply timing, the work end timing based on the remaining amount, and the like, and the work can be made convenient and the efficiency can be improved.

Further, since the workable time is calculated using only the detected value when the load of the engine (40) is higher than the set value, the work can be performed under stable working conditions in which the load of the engine (40) is higher than the set value. There is a remarkable effect that the workable time is calculated, the error is suppressed to the minimum, and the workable time detection accuracy is improved.

[Brief description of drawings]

FIG. 1 is a control circuit diagram.

FIG. 2 is an overall side view.

FIG. 3 is an overall plan view.

FIG. 4 is a side view illustrating a rotary portion.

FIG. 5 is an explanatory plan view of a rotary portion.

FIG. 6 is an explanatory diagram of a monitor.

FIG. 7 is a flowchart.

FIG. 8 is an explanatory diagram of a monitor.

FIG. 9 is a flowchart.

[Explanation of symbols]

 (38) Controller (fuel consumption detection means) (40) Engine (47) Fuel level sensor (fuel level detection means)

Claims (2)

[Claims] 1. A fuel consumption amount detecting means for detecting a fuel consumption amount of an engine and a fuel remaining amount detecting means for detecting a remaining fuel amount in a fuel tank are provided, and a remaining workable time is calculated from the remaining fuel amount. A mobile agricultural machine characterized by being configured to be calculated and displayed. 2. The mobile agricultural machine according to claim 1, wherein the workable time is calculated using only the detected value when the engine load is greater than or equal to a set value.