KR20120028202A - Paddy field working machine - Google Patents

Abstract

PURPOSE: A paddy field working machine is provided to prevent sudden acceleration of a vehicle and engine stop because a driving machine is stopped in a state where an engine and a driving unit are delivering power even if the engine is started. CONSTITUTION: A paddy field working machine comprises a working machine(4), a control unit, a stop operation detecting unit, and a start operation detecting unit. The control unit implements an automatic engine stop process and an automatic engine start process in a state of turning on a key switch. The stop operation detecting unit detects that operation for stopping a driving machine is implemented. The start operation detecting unit detects that operation for starting an engine is implemented. After the engine is automatically stopped by the control unit, the start operation detecting unit detects that the operation for starting the engine is implemented. If the stop operation detecting unit detects that the operation for stopping a driving machine is implemented, the control unit starts the engine automatically.

Description

Munon work machine {PADDY FIELD WORKING MACHINE}

According to the present invention, a work device is connected to a traveling body on which an engine is mounted, and a control means for controlling the operation of each part of the traveling body is provided, and the control means is operated in a state where the key switch is turned on. To execute an engine auto stop process for stopping the operation of the engine based on an operation of an operation tool other than a key switch, and an engine auto start process for starting the engine after stopping the operation of the engine by the engine auto stop process. It relates to a munon working machine configured.

In the riding type rice transplanter as the non-non-working machine, conventionally, as described in Patent Literature 1, a setting time at an engine stop position as a specific position at which a main gear lever as an operation tool other than a key switch causes a driving stop state If the above operation is performed, if the mother residual amount sensor has a small amount of implantable simulations at that time, the engine automatic stop processing is executed, and after the engine operation is stopped by the engine automatic stop processing, the key switch is operated to the on position. If the main gear lever is out of the engine stop position in the state, there was one configured to execute the engine auto start process.

In the above configuration, when performing a transplanting operation as a non-non-condensing operation in a package, for example, when performing a job of replenishing the transplanted hair consumed by the operation, the engine is stopped to suppress unnecessary consumption of fuel. In addition, the noise can be reduced.

Japanese Patent Application Publication No. 2006-94753

In the above conventional configuration, after the engine auto stop process is executed to stop the operation of the engine, the control means performs the engine auto start process when the main gear lever is out of the engine stop position with the key switch operated to the on position. Since it is configured to run, the following disadvantages exist.

In other words, the engine automatic stop processing is executed and the operation of the engine is stopped while the non-non-condensing work is being carried out in the package, and after the engine is stopped to replenish the transplanted hair, the engine is started and the engine is started in the package. The munon work will be resumed, but at that time, when the operator starts the engine immediately after starting the engine and switches the main gear lever from the engine stop position to the forward neutral position, the vehicle will move forward from the forward neutral position. There is a case of switching to a position.

By the way, when the main gear lever is out of the engine stop position, the engine is started by the control means executing the engine auto start process. However, since it takes some time to start the engine, depending on the method of operation by the operator, It is considered that the peripheral gear is switched to the forward traveling state at the time of starting. In such a case, there is a fear that the vehicle body starts or starts suddenly or causes an engine stop as the engine starts.

SUMMARY OF THE INVENTION An object of the present invention is to execute an engine auto stop process based on an operation of an operation tool other than a key switch to stop an engine, so that the engine is stopped in a state in which there is no disadvantage such as a sudden start or an engine stop. The present invention provides a non-working machine that can be started.

In the Munon work machine according to the present invention, a work device is connected to a traveling body on which an engine is mounted, and the traveling body is provided with control means for controlling the operation of each part of the traveling body, and the control means is operated with a key switch turned on. An engine automatic start for starting the engine after stopping the operation of the engine by the engine auto stop process and the engine auto stop process for stopping the operation of the engine based on an operation of an operation tool other than the key switch. The first feature configuration includes a stop operation detecting means for detecting that a traveling gas stop operation for stopping the running of the traveling body and an engine starting operation for starting the engine are performed. Starting operation detection means for detecting that the control means is provided; After executing the process, if it is detected that the engine start operation is performed by the start operation detecting means, and if it is detected that the traveling gas stop operation is performed by the stop operation detecting means, the engine auto start process is executed. It is configured to

According to the first feature configuration, after the control means executes the engine automatic stop processing, when it is detected that the traveling gas stop operation is performed by the stop operation detection means, and when it is detected that the engine start operation is performed by the start operation detection means, The control means executes the engine auto start process.

That is, in the state where the engine is stopped by execution of the engine automatic stop processing, the operator stops the traveling gas stopping operation such as operating the brake operation or the transmission in a neutral state, for example, and starting the engine for starting the engine. When the operation is executed, the engine is started.

Incidentally, there are various operations such as the brake on operation and the main clutch off operation as the traveling body stopping operation, and as the engine starting operation, the shift operation tool is switched to a specific position, or the starting switch is operated. There are various operations.

In this way, when the engine is started after the engine stops by the execution of the engine auto stop process, operations for stopping the traveling gas such as the on operation of the brake and the off operation of the main clutch are performed. Even if it exists, there is no possibility that a vehicle body may start or stop suddenly with an engine start.

Therefore, after executing the engine auto stop process based on the operation of an operation tool other than the key switch to stop the engine, it is possible to start the engine in a state where there is no disadvantage such as sudden start of the vehicle body or an engine stop. Hae has come to be able to provide a Munnon working machine.

According to a second aspect of the present invention, a work device is connected to a traveling body on which an engine is mounted, and the traveling means is provided with control means for controlling the operation of each part of the traveling body, and the control means is operated by turning on a key switch. The engine which starts the engine after stopping the operation of the engine by the engine auto stop process and the engine auto stop process to stop the operation of the engine based on the operation of an operation tool other than the key switch in the present state. A non-non-working machine configured to execute an automatic start process, comprising stop operation detecting means for detecting that a traveling gas stop operation for stopping running of the traveling gas is provided, and the control means executes the engine automatic stop process. After which the traveling gas stop operation is performed by the stop operation detecting means. Once detected, a point that is configured to execute the automatic engine starting process.

According to the second aspect, the control means executes the engine auto start process when the control means executes the engine auto stop process and then detects that the traveling gas stop operation has been performed by the stop operation detection means.

That is, when the operator executes the traveling gas stop operation such as operating the brake operation or the shift operation tool in a neutral state while the engine is stopped by the execution of the engine auto stop process, the engine is started. do.

Incidentally, the traveling gas stop operation includes various operations such as turning on the brake and turning off the main clutch.

Thus, when starting the engine after the engine stops by the execution of the engine automatic stop processing, it is necessary to perform the traveling gas stop operation, even if the engine may start when the engine and the traveling device are in the power transmission state. By performing the gas stop operation, there is no fear that the vehicle body may start or stop suddenly with the start of the engine.

Therefore, after executing the engine auto stop process based on the operation of an operation tool other than the key switch to stop the engine, it is possible to start the engine in a state where there is no disadvantage such as sudden start of the vehicle body or an engine stop. Hae has come to be able to provide a Munnon working machine.

In addition to the first feature configuration or the second feature configuration, the third feature configuration of the present invention includes the operation of stopping the main clutch, turning off the main clutch, turning on the brake, and switching to the neutral state of the shift operation tool. The operation is at least one of the switching operation to the neutral state of the traveling transmission device.

According to the third characteristic configuration, in the state where the engine is stopped by the execution of the engine automatic stop processing, the operator turns off the main clutch, turns on the brake, switches the operation to the neutral state of the shift control port, and the traveling transmission device. The engine is started when at least one of the switching operations to the neutral state is executed.

The main clutch, the brake, the shifting mechanism, and the shifting gear are generally operated at a high frequency when the operator performs driving operation of the traveling vehicle, and any one of them is operated to stop the traveling vehicle. Therefore, the operator can start the engine without any trouble such as performing a special operation other than the general driving operation of the traveling body, and the operability becomes satisfactory.

The fourth feature configuration of the present invention is, in addition to the first feature configuration or the second feature configuration, wherein the traveling gas stop operation includes at least a brake operation tool for operating the brake in a braking state and a clutch operation tool for off-operating the main clutch. At least one of the brake operating tool and the clutch operating tool is configured such that when at least one of the brake operating tool and the clutch operating tool is operated by any one operation, the driving transmission is forcibly returned to a neutral state. One is that the shift operation tool or the traveling transmission device is interlocked with each other.

According to the fourth aspect, if the operator operates the brake operating tool in the state where the engine is stopped by the execution of the engine automatic stop processing, the brake is brought into a braking state and the running of the traveling body is stopped. The traveling transmission is forcibly operated to return to the neutral state.

In addition, if the operator operates the main clutch operation tool in the state where the engine is stopped by execution of the engine automatic stop processing, the main clutch is turned off and the power transmission state between the engine and the traveling device is interrupted. The driving is stopped, and the driving transmission is forcibly returned to the neutral state in accordance with the driving.

In this way, when at least one of the brake operating tool and the clutch operating tool is operated, not only the driving of the traveling body is stopped but also the driving transmission is in a neutral state, for example, the operation of the brake operating tool is stopped, and the brake Even when the vehicle is in a non-braking state or the operation of the clutch operating tool is stopped and the power transmission state between the engine and the traveling device is returned, the running stop state is maintained without being switched to the running state.

As a result, when the engine is started with at least one of the clutch operating tool and the brake operating tool being operated, it is possible to accurately avoid the vehicle body from suddenly starting or causing an engine stop.

1 is an overall side view of a passenger rice transplanter;
2 is an overall plan view of a passenger rice transplanter.
3 is a power system diagram.
4 is a power system diagram.
Fig. 5 is a side view showing the operation structure of the peripheral gear device.
6 is a plan view illustrating an operation structure of a peripheral gear device;
7 is a front view illustrating an operation structure of the peripheral gear device.
8 is a plan view of a shift guide plate.
9 is an exploded perspective view showing a shift guide plate and position holding means;
10 is a side view showing a linkage state between the main gear lever and the brake;
Fig. 11 is a side view showing a linked state of the main gear lever and the brake;
12 is a side view illustrating a linkage state between a main gear lever and a brake;
13 is a control block diagram.
14 is a diagram showing a power supply state;
15 is a diagram illustrating display contents of an information display unit.
16 is a flowchart of a control operation.
17 is a flowchart of a control operation.
18 is a flowchart of a control operation.
19 is a flowchart of a control operation.

EMBODIMENT OF THE INVENTION Hereinafter, the case where the embodiment of the munon work machine which concerns on this invention is applied to a riding type rice transplanter is demonstrated based on drawing.

As shown in FIG. 1, the riding type rice transplanter according to the embodiment of the present invention is equipped with a pair of left and right steering and drive front wheels 1 and 1 and a pair of left and right driveable rear wheels 2 and 2. It is provided with the traveling body 3, and the planting apparatus 4 as a working apparatus is connected to the rear part of this traveling body 3 via the link mechanism 6 so that driving up and down is possible by the hydraulic cylinder 5 as an actuator. In addition, the fertilizer device 7 is provided in the vehicle body rear part of the traveling body 3, and is comprised.

The mission case 9 bearing the front wheels 1 is fixedly connected to the front part of the base frame 8 in the traveling body 3, and the rear wheels 2 are attached to the rear part of the base frame 8. The rear part transmission case 10 which supported the shaft is supported so that rolling is possible. In addition, the engine 12 is mounted on the front frame 11 extending forward from the mission case 9 and covered with the bonnet 13, and at the same time the boarding driver located behind the engine 12 includes: A steering wheel 14, a driver's seat 15, a driver's step 16, and the like, for steering the front wheel 1, are provided, and a spare cap mounting table for storing and storing spare caps in multiple stages on the left and right sides of the front of the body. (17) is provided.

The seedling device 4 loads 6 sets of hairs, and 6 sets of rotary implant mechanisms which cut the hairs one by one from the lower end of the hair mounting table 21 and the lower end of the hair mounting table 21 which are reciprocated laterally by a set stroke. (22) and three ground floats 23 etc. which stop the transplantation place are comprised.

The fertilizer device 7 is mounted on the traveling body 3 between the driver's seat 15 and the planting device 4, and in the fertilizer hopper 24, which stores fertilizer in the form of a fertilizer. A feeding mechanism 25 for feeding the fertilizer by a set amount, and an electric blower 28 for conveying the extracted fertilizer to the home maker 27 provided in each ground float 23 through the supply hose 26; It is comprised so that the fertilizer may be sent to the groove | channel formed in farmland G by the groove | channel production machine 27, and it will be embedded.

In addition, in FIG. 1 and FIG. 2, although abbreviate | omitted in order to make a figure clear, as shown in FIG. 13, the center line in the next time of a planting machine working stroke is carried out on the left and right sides of the planting device 4, and the farmland G The rotary marker 29 for drawing in () is provided so that switching is possible to the posture which protrudes outward by the operation of the electric motor 30, and the retreat posture which retreats inside the body.

As shown in FIG. 3 and FIG. 4, the periphery gear device 41 (an example of the traveling transmission device) which consists of the hydrostatic stepless speed changer HST with which the engine 12 was belt-linked on the side surface of the mission case 9 is shown. ) Is connected, the output of which is input to the mission case 9 and branches to the work system and the traveling system. Only the forward rotation power is extracted by the one-way clutch 42, and the power of the branched work system is transplanted which can be operated by the weekly transmission mechanism 43 and the electric motor 40a capable of six-speed gear shifting by manual operation. It is taken out from the work power take-off shaft (PTO shaft) 45 via the clutch 40, and is transmitted to the planting apparatus 4.

The branched traveling system power is shifted to the two stages by the gear-type sub transmission 47 as an example of the traveling transmission, and then branches back to the front wheel system and the rear wheel system, and the power of the front wheel system is differentially lockable. The power of the rear wheel system is transmitted to the rear transmission case 10 through the transmission shaft 49, and is transmitted to the front wheels 1 on the left and right through the 48, and the left and right via the multi-plate side clutch 50. It is transmitted to the rear wheel (2). The rear transmission case 10 is equipped with a multi-plate brake 51 for stopping the aircraft, and the brake 51 is mounted on the step-operated brake operation tool 52 disposed under the right foot of the driving unit step 16. Mechanically linked.

The main gear device 41 is shifted by the main gear lever 53 serving as a shift operation tool disposed on the left side of the steering wheel 14, and the sub transmission device 47 is placed on the left side of the driver's seat 15. The sub-shift lever 54 is arranged to switch operation.

Although the detailed structure is not shown, the left and right side clutches 50 are automatically operated in conjunction with the steering of the front wheels 1, and the front wheels are driven by the steering wheel 14 based on the detection value of the cutting angle sensor S1. When it is detected that steering (1) is set to the left or right at a set angle (for example, 30 °) or more, the side clutch 50 of the rear wheel 2, which is the inside of the turning, is automatically turned off to operate smoothly and slightly. It is comprised so that turning may be performed.

Next, the shift operation structure of the main gear device 41 will be described.

As shown in FIG. 5, the support bracket 56 is fixed to the handle post 55 that is installed to support the steering handle 14, and the support shaft 57 is connected to the left end of the support bracket 56. The detent plate 58 is supported so as to be able to swing back and forth around the lateral support point a, and the main gear lever 53 is supported by the detent plate 58 so as to be able to swing left and right around the front and rear direction support point b. The relay rotation member 60 is supported by the support frame 59 for mounting and supporting the handle post 55 so as to be rotatable around the lateral support point c. The relay rotation member 60 and the detent plate 58 are supported. ) Is linked via the linkage rod 61, and the transmission rotation member 60 and the shifting arm 63 connected to the shifting operation shaft 62 of the peripheral gear device 41 are provided via the linkage rod 61. It is linked.

The guide plate 65 is fixed to the support bracket 56, and as shown in FIG. 8, the main gear lever 53 is provided in the guide groove 66 having a stepped shape in the guide plate 65. The guide rod 53a extending downward from the base penetrates, and the main gear lever 53 is moved back and forth along the operation path with a predetermined step by the combined guide action of the guide groove 66 and the guide rod 53a. By rocking, the detent plate 58 can be rotated forward and backward to shift the peripheral speed gear 41 in the range from the forward region to the reverse region.

As shown in Fig. 8, the stepped portion of the stepped operation path corresponds to the neutral position N of the main gear 41, and the forward shift operation path (in front of the forward side neutral position Nf) F) is formed, and the reverse shift operation path R is formed at the rear side of the reverse side neutral position Nr, and as shown in FIG. 5, the nine formed in parallel on the outer periphery of the detent plate 58 By elastically engaging the detent roller 69 supported at the loose end of the cantilever spring lever 68 in the recess 67, the main gear lever 53 is moved forward five steps (F1 to F5) and the neutral position (N). ) And three reverse stages (R1 to R3).

That is, each of the forward shift operation path F, the reverse shift operation path R, and the neutral position N corresponds to the normal operation area Z. FIG.

The torsion spring 70, which is the center of the operation of the main gear lever 53 in the lateral direction, is equipped with a torsion spring 70, and the main gear lever 53 is always urged and urged around the support point b. Therefore, when the main gear lever 53 is operated to the neutral position N, it presses and moves toward the forward side neutral position Nf from the reverse side neutral position Nr.

As shown in FIG. 8, the engine stop position ES as a specific position which causes a driving stop state is set on the transverse outer side of the forward side neutral position Nf in the said guide groove 66, and the peripheral speed The guide plate 65 is equipped with a stop position detection switch S2 (an example of the start operation detecting means) that detects that the guide rod 53a of the lever 53 has been operated at this engine stop position ES.

And the position holding means A which can hold | maintain the main gear lever 53 in the state in which the main gear lever 53 was operated to the engine stop position ES is provided.

This position holding means A is comprised with the elastic pressing detent mechanism which provides a movement resistance to operation between the normal operation area Z of the main gear lever 53, and the engine stop position ES.

Next, the position holding means A which consists of this detent mechanism is demonstrated.

As shown in FIG. 8 and FIG. 9, the guide plate 65 is provided, and the main gear lever 53 is moved from the forward shift control path F or the reverse shift control path R to the neutral position N. As shown in FIG. When operated, the movement to the engine stop position ES is restrained by resisting the pressing force of the torsion spring 70, and the engine stop position (ES) is allowed to be operated by manual operation. After operating to ES), it is comprised so that the main gear lever 53 may be prevented from moving to the forward side neutral position Nf (to hold the peripheral gear lever 53 in the engine stop position ES). .

When the explanation is added, the roller 72 is provided at one end of the swinging arm 71 supported by the guide plate 65 so as to be swingable around the upper and lower shaft centers, and the roller 72 is guided at the other end of the guide groove 66. The coil spring 73 is urged and urged so as to enter the passage region (the operation path between the forward side neutral position Nf and the engine stop position ES) of the coil spring 73, and the swing arm 71 is formed of the coil spring 73. In contact with the contact portion 74 formed on the guide plate 65 in response to the pressing force, the position is regulated at a predetermined position.

That is, the main gear lever 53 is received by the roller 72, the position can be held by resisting the pressing force of the torsion spring 70, and the roller 72 is operated by manually operating the main gear lever 53. The rocking arm 71 is configured to stop at the position where the retractable arm can be retracted.

Thereby, the main gear lever 53 operated in the neutral position N is held in the forward side neutral position Nf, and the movement to the engine stop position ES can be prevented, and the peripheral operation is carried out by manual operation. Allows the operation of the speed lever 53 to the engine stop position ES, and checks the movement of the main speed lever 53 to the forward side neutral position Nf after the operation to the engine stop position ES. [The position holding of the peripheral shift lever 53 at the engine stop position ES]. However, by operating the main gear lever 53 by manual operation, it is permissible to operate from the engine stop position ES to the forward side neutral position Nf.

When the main gear lever 53 is operated to the engine stop position ES, the operation portion of the stop position detection switch S2 is operated to turn on the stop position detection switch S2, and the main gear lever 53 is moved forward. When operating to the neutral position Nf, the stop position detection switch S2 is operated to be off.

Next, with reference to FIGS. 10-12, the linkage structure of the main gear lever 53 and the brake operation tool 52 is demonstrated.

In the forward travel state in which the main gear lever 53 is operated in the forward shift control path F, or in the reverse travel condition in which the main shift lever 53 is operated in the reverse shift operation path R, the brake operating tool 52 for stopping the aircraft When the stepping operation is performed, the main gear lever 53 and the brake operating tool 52 are interlocked with each other so that the main gear lever 53 is forcibly returned to the neutral position N.

In addition, as shown in FIG. 10, the check operation member 81 is arrange | positioned at the back of the transmission operation part so that back-and-front oscillation is possible. The check operation member 81 is provided with a check metal member 81a which can be fine-positioned around the support point f by an adjust bolt 81b, and the front edge of the check operation member 81 is the relay rotating member. It is comprised so that it may oppose the 1st contact pin 82 provided in the upper position rather than the support point c of 60 from behind, and the front edge part of the check metal member 81a is lower than the support point c of the relay rotation member 60. It is arrange | positioned so as to oppose to the 2nd contact pin 83 provided in the location from the back.

On the other hand, the check operation arm 85 is fixed to the other end of the pedal support shaft 84 to which the brake operation tool 52 is connected, and the boss member pivotally rotatably supported on the loose end of the check operation arm 85. To 86, the rear end of the pressing rod 87 extending backward from the lower end of the check operation member 81 is inserted through. Here, the pressing rod 87 is slidably inserted and supported slidably back and forth with respect to the boss member 86 only in a predetermined range, and the compression coil spring 88 externally inserted into the pressing rod 87 by initial compressive deformation in advance. The pressing rod 87 is slid against the boss member 86 to the front slide limit.

FIG. 10 shows a state in which the brake operating tool 52 is not stepped and the peripheral speed lever 53 is in the forward 5th speed F5 of the highest speed forward, and FIG. 11 also shows that the brake operating tool 52 is stepped. The state in which the main gear lever 53 is in reverse 3rd speed R3 which is the highest speed of reverse without being operated is shown.

When the brake operating tool 52 is stepped in the state where the main gear lever 53 is in the forward shift operation path F (for example, the state of FIG. 10), the check operation arm 85 is counterclockwise in the figure. By being rotated in the direction, the pushing rod 87 protrudes forward (left in the drawing), and the check operation member 81 is rocked in a clockwise direction around the support point e. Thereby, as shown in FIG. 12, the check operation member 81 contact-presses the 1st contact pin 82 forward, the relay rotation member 60 is forcibly rotated counterclockwise around the support point c, The main gear lever 53 is returned toward the neutral position N side.

When the main gear lever 53 reaches the neutral position N, the second contact pins 83 also come into contact with the check metal member 81a, and the first contact pins 82 positioned on both the upper and lower sides of the supporting point c and Since the second contact pins 83 all contact the check operation member 81, the relay rotation member 60 is held in a constant posture in which the main gear lever 53 is in the neutral position N. As shown in FIG. Moreover, the check operation member 81 itself which contacted the 1st contact pin 82 and the 2nd contact pin 83 also becomes impossible to rotate clockwise further. In addition, by adjusting the check metal member 81a of the check operation member 81, both the first contact pin 82 and the second contact pin 83 are brought into contact with the check operation member 81 so that the relay rotating member ( 60 can be accurately neutralized.

Here, the initial compressive force imparted by the compression coil spring 88 is set larger than the operating force necessary to force the main gear lever 53 to move, until the main gear lever 53 reaches the neutral position N. The compression coil spring 88 is not deformed by the operation reaction force. Then, after the main gear lever 53 reaches the neutral position N, when the brake operating tool 52 is further stepped, the check operation arm 85 is pressed against the pushing rod 87 which becomes impossible to move forward. Sufficient brake operation stroke is ensured by rotating counterclockwise in the figure while further compressing and decompressing the compression coil spring 88.

In addition, when the main gear lever 53 is stepping on the brake operating tool 52 in the state where it is in the reverse shift control path R (for example, the state of FIG. 11), the check operation arm 85 will be shown in the figure. By being rotated counterclockwise, the pushing rod 87 protrudes forward (left in the drawing), and the check operation member 81 swings clockwise around the support point e. Thereby, the check metal member 81a of the check operation member 81 contacts and presses the 2nd contact pin 83 forward, and the relay rotation member 60 is forcibly rotated clockwise around the support point c, The lever 53 returns to the neutral position N side. Then, when the main gear lever 53 reaches the neutral position N, the first contact pin 82 also comes into contact with the check metal member 81a of the check operation member 81, and is located on both the upper and lower sides of the supporting point c. When the first contact pin 81 and the second contact pin 83 are both in contact with the check operation member 81, the relay rotation member 60 causes the main gear lever 53 to be in the neutral position N. It is held in a certain posture.

Also in this case, until the main gear lever 53 reaches the neutral position N, the compression coil spring 88 will not be compressively deformed by operation reaction force, and the main gear lever 53 will be in the neutral position N. After the brake operation tool 52 is further stepped, the check operation arm 85 further compresses and compresses the compression coil spring 88 with respect to the pushing rod 87 which is unable to move forward. Rotate counterclockwise.

The sub transmission device 47 is configured to be switchable in two stages: a transplantation shift state as the non-non-working shift state and a road shifting state as another shift state at a higher speed than the transplant shift state. ) Is configured to be operated by the sub transmission lever 54 arranged next to the left side of the driver's seat 15.

The subshift lever 54 can be switched between the "transplantation position" corresponding to the implantation shift state and the "road movement position" corresponding to the shift state for roadbed travel, and this subshift lever 54 is operated to the "transplantation position". The sub transmission sensor S3 for detecting whether or not it is installed is provided.

Next, the structure for performing automatic lifting control with respect to the planting apparatus 4 is demonstrated.

As shown in FIG. 13, the rear part of the ground float 23 of right and left centers around horizontal axis core P is supported by the support arm 31 so that it can rock up and down, and the height of this ground float 23 is detected. The float sensor S4 which consists of a potentiometer is provided, The grounding plant 23 grounds following the farmland G with the advancing of gas, and the planting apparatus is detected by the detected value of the float sensor S4. The height of the center ground float 23 with respect to (4), in other words, the height of the planting apparatus 4 from the farmland G can be detected.

In addition, the hydraulic cylinder 5 is provided with a control valve 32 for supplying and operating hydraulic oil. When the hydraulic oil is supplied to the hydraulic cylinder 5 by the control valve 32, the hydraulic cylinder 5 contracts and operates. When the planting apparatus 4 raises and hydraulic fluid is discharged | emitted from the hydraulic cylinder 5 by the control valve 32, the hydraulic cylinder 5 is extended and it is comprised so that the planting apparatus 4 may descend.

And the detection value of the float sensor S4 is input into the control apparatus H as a control means comprised with a microcomputer, and the control apparatus H is made to maintain the detection value of the float sensor S4 at the lifting | resting set value, The hydraulic valve 5 is stretched and operated by operating the control valve 32. As a result, the planting device 4 is maintained at the set height from the farmland G. Such control operation by the control device H corresponds to automatic lift control.

Moreover, the link angle sensor S5 which consists of a potentiometer which detects the lifting angle of the link mechanism 6 with respect to the traveling body 3 is provided, and the detection value of the link angle sensor S5 is provided to the control apparatus H. FIG. It is input and it is possible to detect the height of the planting apparatus 4 with respect to the traveling body 3 by detecting the angle of the link mechanism 6 with respect to the traveling body 3.

The planting apparatus 4 is supported by the link mechanism 6 so that rolling around the front-rear axial center is possible, and is provided with the left-right inclination-angle sensor S6, and the right-and-left of the planting apparatus 4 with respect to a horizontal surface (farmland G). The inclination angle in the direction is configured to be detected by the left and right inclination angle sensor S6 (see FIG. 13). In addition, although not described in detail, a rolling mechanism 33 capable of changing the left and right inclination posture of the seedling device 4 with respect to the traveling body 3 is provided at the rear upper portion of the link mechanism 6. (33) is provided with the electric motor (33a) which can change the left-right inclination-angle of the planting apparatus 4, and is operable.

The control apparatus H is comprised so that the electric motor 33a may be controlled so that the inclination angle of the planting device 4 with respect to the horizontal plane detected by the left and right inclination sensor S6 may become a set inclination angle. As a result, the planting apparatus 4 is automatically maintained at the set inclination angle. And the control operation by such a control apparatus H corresponds to automatic rolling control.

The information display part 36 which used the liquid crystal display panel is provided in the center part of the front panel 35 located in front of the driver's seat 15. As shown in FIG. Although not described in detail, the information display unit 36 displays, for example, that the mother residual amount is reduced on the mother mounting table 21, that the voltage of the battery V is lowered, or other various information. Is displayed.

As shown in FIG. 15, the information display part 36 is equipped with the 4-digit numerical value display part 37 which displays total running time (a meter) and engine rotation speed. The numerical display unit 37 can not only display an outer meter and engine revolutions, but also display alphabets and * marks, and also use it as a display for engine automatic stop control described later. Incidentally, Fig. 15A shows the entire lighting state in which all the segments of the numerical display portion 37 are lit, and Fig. 15B shows a display example in the outer. 15C and 15D show examples of display in engine stop control as described later.

As shown in FIG. 13, the operation lever 38 for a work state switch is provided in the right side horizontal side below the steering wheel 14 (it abbreviate | omits in FIG. 1 or FIG. 2), and the user has this operation lever 38 ), The operation state is switched. The operation lever 38 has the first upward position U1, the second upward position U2, the downward first downward position D1, the second downward position D2, and the rear upward position from the neutral position N. It is comprised so that operation is possible in the cross direction of the right marker position R and the front left marker position L, it is pressed back to the neutral position N, and the operation position of the operation lever 38 is the control apparatus H Is entered.

Based on the instruction of the operation lever 38, the raising and lowering operation of the planting device 4 is instructed, or in the lowering state, the automatic raising and lowering control and the automatic rolling control can be instructed.

For example, in the case of the turning run in the duplex, when the operation lever 38 is operated from the neutral position N to the second raised position U2 once, the implantation clutch 40 is operated in a blocked state, thereby automatically elevating. The control and automatic rolling control are stopped, and the planting apparatus 4 is raised.

When the turning run is completed and the operation lever 38 is operated to the second lowered position D2 (when operating to the second lowered position D2 to return to the neutral position N), the planting apparatus 4 is lowered. When the center ground float 23 is grounded on the farmland G, automatic lift control and automatic rolling control are started, and the planting device 4 is grounded on the farmland G and stopped.

After operating the operation lever 38 to the second lowered position D2 and returning to the neutral position N, the vehicle is driven to the simulated seedling start position, and then the operation lever 38 is returned to the second lowered position D2. In operation, in the state where the automatic lifting control and the automatic rolling control are operated, the switching clutch 40 is turned on to switch to a state for executing the transplant operation.

When the operation lever 38 is operated to the right marker position R (after releasing and returning to the neutral position N after operating to the right marker position R), the marker 29 on the right side is operated in the operating position. When the operation lever 38 is operated to the left marker position L (when operating the left marker position L and then releasing it to return to the neutral position N), the left marker 29 acts. Although it is operated by the operator, the operator operates the marker 29 on the side corresponding to the next meeting work stroke in the working posture in the planting operation.

And when operating the operation lever 38 to the 1st raised position U1, while planting the operation lever 38 to the 1st raised position U1, the planting apparatus 4 will be raised. Thereafter, the operator releases his hand and the ascending stop is stopped when the operation lever 38 returns to the neutral position (N).

When the operation lever 38 is operated to the first lowered position D1, the planting device 4 is lowered while the operation lever 38 is held at the first lowered position D1. Thereafter, when the operator releases his hand and the operation lever 38 returns to the neutral position N, the lowering stops.

As shown in FIG. 13, the detection value of the stop position detection switch S2, the sub transmission sensor S3, and the left and right inclination-angle sensor S6 is input into the control apparatus H, In addition, of the steering wheel 14 Detecting the cutting angle sensor S1 for detecting the cutting angle of the front wheel 1 accompanying the operation, the engine speed sensor S7 for detecting the rotation speed of the engine 12, and the temperature of the coolant of the engine 12 Cooling water temperature sensor S8, brake sensor S9 (one example of stop operation detecting means) for detecting that the brake operation tool 52 provided in the driving unit step 16 has been stepped, and the rear wheels 2 on both the left and right sides. Rear wheel rotation sensor (S10) for detecting the rotational speed of the axle, front and rear inclination angle sensor (S11) for detecting the front and rear inclination angle from the horizontal attitude of the traveling body (3), azimuth sensor (S12) for detecting the direction of the traveling body, Seating switch (S13), bonnet 13 for detecting whether the driver is seated in the driver seat (15) A bonnet closing detection sensor (S14) for detecting whether the opening is provided, these kinds of information may also be configured to input to the control device (H). In addition, voltage detection means (not shown) for detecting the voltage of the battery V is provided.

FIG. 14 shows a power supply state to the control device H and other electrical equipment. As shown in this figure, the control device H is powered by a key switch 90 operated by a key K. As shown in FIG. When operated to the ON position, the power of the battery V is turned on and started.

Further, even when the key switch 90 is operated to the power off position OFF, the supply of power is not immediately stopped, but the power supply is continued by the self-holding circuit 91, and the key switch 90 After the operation state of each unit when operated to the power-off position OFF is written and stored in a nonvolatile memory (not shown), the self-holding circuit 91 is cut off to stop the power supply. In addition, when the key switch 90 is operated to the starting position ST, the starter starting relay 92 interposed in the power supply path between the battery V and the starter 93 is turned on to start the starter. The 93 is operated to start the engine 12.

In addition, the main power supply line 95 that supplies electric power to all the electric appliances including the control device H from the battery V is provided with an interruption circuit 96 capable of interrupting the electric power supply. ) Is a drive circuit configured to be able to switch between the power supply state and the cutoff state by a command from the control device H, and also when the key switch 90 is operated to the start position ST, the driving circuit which is supplied with power and operates. Also, 97 is configured to switch between the power supply state and the cutoff state.

And the control apparatus H is comprised so that even if the key switch 90 is hold | maintained in the power-on position ON, it is comprised so that engine automatic stop control which may stop the operation of the engine 12, when an engine stop condition is established. Automatic on / off switch (SW) for switching to the state of executing the engine automatic stop control and the state not to execute the control, and the indication lamp (L) to turn on when the engine stop condition is satisfied and to turn off when not satisfied. It is attached to the front panel 35.

When the engine automatic stop control is carrying out a transplanting operation | work in packaging, for example, while carrying out the operation | work which replenishes the transplanted hair consumed by the transplantation operation | work, etc. By doing so, by stopping the engine 12, unnecessary consumption of fuel can be suppressed or noise can be reduced.

As the engine stop condition, a condition that the stop position detection switch S2 is operated on over a set time (for example, several seconds) or more is set. And if the check condition is satisfied, the control apparatus H is comprised so that engine automatic stop control may not be performed even if an engine stop condition is satisfied.

Incidentally, although the structure for stopping the engine 12 is not shown, the engine stop signal (specifically, fuel is supplied to the engine control unit electrically controlling an adjusting means for adjusting the fuel supply amount supplied to the engine 12). A signal for interrupting the supply), or if the engine 12 is provided with a spark plug, it is possible to block the energization of the spark plug.

Next, the engine automatic stop control by the control apparatus H is demonstrated.

In addition, in the following description, it is assumed that automatic on-off switch SW is operated in the on state.

As shown in Figs. 16 to 18, when the main gear lever 53 is operated to the engine stop position ES and the stop position detection switch S2 is turned on, and the state continues for a set time or more, The engine stop condition is established (steps 1 and 2).

However, even when the engine stop condition is satisfied, the detection that the detected value of the coolant temperature sensor S8 is equal to or lower than the set temperature (step 3) and the detection that the voltage of the battery V is equal to or lower than the set voltage are detected based on the detection information of the voltage detecting means. The condition (step 5) that the engine speed is higher than the set value and not in the idling state is detected based on the condition (step 4) and the detection information of the engine speed detection sensor S7 (step 5), the float sensor S4 or the link. Based on the detection information of each sensor S5, the condition that the ground float 23 is located above the farmland G is detected (step 6), front and rear inclination angle sensor S11, and left and right inclination angle sensor S6. The condition that the traveling body 3 or the planting device 4 is inclined more than the set angle from the horizontal posture back and forth or horizontally based on the detection information of the step (step 7), the right and left hemp The condition (29) that all of the 29 is in a stored state (step 8), and the condition that it is detected by the subshift sensor S3 that the subshift lever 54 is not operated at the "transplantation position" (step 9) If at least one of the conditions is satisfied, the engine 12 is not stopped.

The condition that the sub-shift lever 54 is not operated at the "transplantation position" is detected by the condition in step 9 and the sub-shift sensor S3. In other words, the sub-shift lever 54 is "on road." Condition is operated at the traveling position. In this way, the engine 12 is not stopped when the subshift lever 54 is operated at the "road running position". In other words, if the engine 12 stops on a hill road or the like during the road running, there is a disadvantage that the aircraft moves the hill road against the intention of the operator, but such a disadvantage can be prevented.

In addition, even if none of the above-described conditions of Steps 3 to 9 is satisfied, the engine 12 is not stopped if the condition of turning running is established by executing the turning running determination process (step) 10, 11).

When description is added about the turning run determination process, as shown in FIG. 19, in the state where the detected value of any one of the rear wheel rotation sensors S10 is not 0, and it is determined that the traveling body 3 is running ( Step 101), the condition that the difference between the detected values of the left and right rear wheel rotation sensors S10 is equal to or greater than the set value (step 102), and the condition that the cutting angle of the front wheel 1 detected by the cutting angle sensor S1 is equal to or greater than the set value ( Step 103), the condition that the operation of the left and right markers 29 is switched (step 104), the condition that the one of the left and right side clutches 50 is off (step 105), and the azimuth sensor S12 Condition (step 106) that it is detected that the direction of the traveling body 3 is largely fluctuated by (), condition that the ground float 23 is not grounded to the farmland G (step 107), and transplantation Clutch 40 is tightened to clutch off When one of the conditions of the condition (step 108) to establish that is, the turning driving jungyirago determination, and determine the running being not turning if any condition is also not satisfied (step 109, 110).

In addition, after the engine 12 has started, it is said that the traveling body 3 is not traveling on the basis of the detected value of the rear wheel rotation sensor S10, or a command by an artificial operation is not issued in order to travel. Even when the condition to be satisfied is established, the engine 12 is not stopped (step 12).

If the engine stop condition of steps 1 and 2 is satisfied and neither condition of steps 3 to 12 is satisfied, the display content of the information display unit 36 is displayed as a display for displaying the execution of the engine automatic stop control. After changing (step 13) and raising the planting apparatus 4 to the maximum raise position as an example of a setting position (step 14, 15), the engine automatic stop process which stops the engine 12 is performed (step 16). ). Incidentally, although not shown, if the engine stop condition of Steps 1 and 2 is established, and none of the conditions of Steps 3 to 12 is established, the fertilizing operation by the fertilizer 7 is executed. The electric blower 28 is stopped immediately.

When the control device H executes the engine automatic stop processing, it stores in the memory about the operation state of each part in the transplanting operation that has been executed up to that time, and when the engine 12 is started to resume work, The operation is performed in the same state as the stored operating state. For example, the operating state of the marker 52, the operating state of the implantation clutch 40, etc. are mentioned.

As the display contents of the information display unit 36, for example, as shown in FIG. 15C, a display called "* ECO" is performed using the numerical display unit 37, and the bonnet 13 is also used. It is comprised so that the display lamp (not shown) provided in the front-end | tip of the center mascot 94 provided in the center of the front part of the flickering display may flash.

After the engine automatic stop processing is executed, if the rotation state of the rear wheel 2 is detected based on the detected value of the rear wheel rotation sensor S10, for example, an alarm operation by a buzzer or the like is executed. (Steps 17 and 18) Even if the set time elapses after executing the engine stop processing, when the engine starting condition as described later does not hold, the power supply is cut off in order to prevent discharge of the battery V. (Steps 19 and 20).

Specifically, the interruption circuit 96 is instructed to switch to the power interruption state, thereby interrupting the interruption circuit 96 and interrupting the supply of power to all the electrical appliances.

In order to start the engine 12 after switching to the electric power cut-off state in this way, an operator can respond by operating the key switch 90 to the starting position ST. That is, when the key switch 90 is operated to the start position ST, the drive circuit 97 operates to switch the interruption circuit 96 to the power supply state, so that power is also supplied to the control device H and other electrical equipment. It is supplied and the engine 12 is also started.

When the engine 12 is stopped by the engine auto stop process, the operator moves the main gear lever 53 to the engine stop position ES so that the stop position detection switch S2 is switched to the off state. When the operator switches the brake switch S9 to the ON state by stepping the brake operating tool 52 (steps 21 and 22), it is determined that the engine starting condition is established.

However, the condition that the key K is missing from the key switch 90 (step 23), the condition that the seating switch S13 provided on the driver's seat 15 is off (step 24), and the bonnet opening and closing detection sensor S14 If at least one of the conditions (step 25) that the bonnet 13 is detected to be opened is satisfied based on the detection information of the " 1 ", the engine 12 is not started.

When the engine start condition is satisfied and all of the conditions of steps 23 to 25 are not satisfied, the display content of the information display unit 36 is changed to a display for displaying that the engine auto start process is executed. The engine automatic start process for starting (12) is executed (steps 26 and 27). In addition, although not shown in figure, when the engine 12 is started, when the fertilizing operation by the fertilizer 7 is being performed, the electric blower 28 will be switched to an operation state immediately after that.

As the display content of the information display unit 36 at this time, for example, as shown in FIG. 15D, the display unit is configured to perform display called "N-ST" using the numerical display unit 37. .

[Other Embodiments]

(1) In the said embodiment, when the control apparatus H stops the engine 12 by engine automatic stop control, an operator stops by moving the main gear lever 53 to the engine stop position ES. When the position detection switch S2 is switched to the off state and the operator switches the brake switch S9 to the on state by stepping on the brake operating tool 52 (steps 21 and 22), the engine starting condition is established. Although it was decided that it is, it may be configured as follows instead of such a configuration.

After the control device H executes the engine automatic stop processing, when the operator steps the brake operating tool 52, the brake sensor S9 is switched on and when it is detected that the traveling gas stop operation has been performed. If it is determined that the engine start condition is established, and other conditions are established, the engine auto start process is executed.

Adding the explanation, the control apparatus H does not perform the process of step 21 in the flowchart of FIG. 18 in the said embodiment, ie, the discrimination process of the stop position detection switch S2 switched to the off state. When the brake sensor S9 is switched to the on state (step 22), the driving gas stop operation is performed to determine that the engine starting condition is satisfied.

(2) In the above embodiment, the use of the brake sensor S9 is shown by the stop operation detecting means, but instead of this configuration, the detection means for detecting that the main gear lever 53 has been operated in the neutral state (N). May be used, or detection means for detecting that the shift arm 63 in the main gear device 41 is in the neutral position may be used.

In addition, for example, in the case of the non-non-working machine provided with a gear-type peripheral gear device, a main clutch, etc., the main clutch operation tool (not shown) for off-operating the main clutch will be stepped (clutch-off operation). A detection switch (not shown) to detect may be used as the stop operation detection means.

(3) In the said embodiment, when the brake operating tool 52 is operated, it will be set as the control apparatus H to judge that an engine starting condition is satisfied by the traveling gas stop operation, and also the brake operating tool 52 When the main gear device 41 is operated, the brake operating tool 52 and the main gear lever 53 are interlocked so that the main gear device 41 is forcibly returned to the neutral state, but instead of such a configuration, It may be configured.

Instead of the structure in which the brake operating tool 52 and the main gear lever 53 are interlocked with each other, the brake operating tool 52 and the shift operation shaft 62 of the peripheral gear device 41 may be interlocked with each other.

Further, for example, the brake operating tool 52 includes a gear type peripheral gear device, a main clutch, and the like, and a non-working machine provided with a main clutch operating tool for turning off the main clutch in addition to the brake operating tool 52. And when at least one of the main clutch operation tools (not shown) is operated, the control device H determines that the traveling gas stop operation is performed and the engine starting condition is established. ) And at least one of the brake operating tool 52 and the main clutch operating tool and the main gear lever 53 or the peripheral speed of the main clutch operating tool so that the peripheral gear is forcibly returned to the neutral state when the main clutch operating tool is operated. The shift operation unit (shifter) of the apparatus may be configured to interlock with each other.

(4) In the above embodiment, it has been shown that the start operation detection means uses the stop position detection switch S2 for detecting whether the main gear lever 53 is in the engine stop position. Detecting means for detecting that the speed lever 53 has been operated to the forward neutral position Nf or the reverse neutral position Nr, and an operating tool for exclusive use of engine starting or other operation separate from the main speed lever 53. (For example, a switch or a lever), detection means for detecting that the main gear lever 53 has been operated from the neutral position N to the forward shift operation path F or the reverse shift operation path R, or a key You may use detection means etc. which detect that the switch 90 was operated to the engine starting position.

(5) In the above embodiment, the main gear lever 53 is operated to the engine stop position ES as an operation of an operation tool other than the key switch 90 which is a condition for executing the engine automatic stop processing. Instead of such a configuration, stepping operation of the brake operating tool 52, operation of a switch for engine stop provided in the gripping portion of the main gear lever 53, or the like may be used.

(6) In the above embodiment, the engine 12 is not stopped when any one of the various conditions of Steps 3 to 12 of Figs. 16 and 17 is established, but all the conditions shown in Steps 3 to 12 are respectively determined. Instead of this, any one or two or more selected conditions may be determined.

For example, a configuration in which the engine 12 is stopped when the engine stop condition is established and the temperature of the engine coolant exceeds the set temperature, the engine stop condition is established, and the voltage of the battery V exceeds the set voltage To determine only one check condition, such as a configuration for stopping the engine 12 if present, an engine stop condition, and a structure for stopping the engine 12 if the ground float 23 is grounded on the farmland G. It may be a configuration. Moreover, the structure which discriminates only two or more check conditions selected from a some condition may be sufficient.

(7) In the said embodiment, the condition that the key K is missing from the key switch 90, the condition that the seating switch S13 provided in the driver's seat 15 is off, and that the bonnet 13 are opened If at least one of the conditions is established, the engine 12 is to be prevented from starting, but any one of the above three conditions may be determined, or other conditions other than the above three conditions may be determined. Moreover, it is good also as a structure which does not discriminate such a check condition.

(8) In the above embodiment, in the state where the engine stop position ES as a specific position of the shift operation tool is located on the side opposite to the reverse side neutral position Nr with respect to the forward side neutral position Nf among the neutral positions N. Although set, the engine stop position ES may be set in a state located on the side opposite to the forward side neutral position Nf with respect to the reverse side neutral position Nr.

(9) Although the riding type rice transplanter was illustrated as a non-non-working machine in the said embodiment, this invention is applicable also to a riding type loom.

The present invention can be applied to, for example, a Munon work machine in which a work device is connected to a traveling body equipped with an engine such as a passenger type rice transplanter or a passenger type straight wave machine.

3: traveling aircraft
4: Work device (planter device)
12: engine
41: driving gear (peripheral gear)
51: brake
52: brake operation tool
53: shifting operation tool (peripheral shift lever)
90: key switch
H: control means
S2: Start operation detecting means (stop position detecting switch)
S9: Stop operation detection means (brake sensor)

Claims (4)

The work tool is connected to the traveling aircraft with the engine,
Control means for controlling the operation of each part of the gas to the traveling gas,
In the state in which the said control means is operated with a key switch turned on, the engine automatic stop process which stops operation of the said engine based on operation of operation tools other than the said key switch, and the engine auto stop process of the said engine A non-working machine configured to execute an engine auto start process for starting the engine after stopping operation,
Stop operation detecting means for detecting that the traveling gas stop operation for stopping the running of the traveling gas has been performed, and start operation detecting means for detecting that the engine starting operation for starting the engine has been performed,
After the control means executes the engine auto stop process, it is detected that the engine start operation is performed by the start operation detection means, and it is detected that the traveling gas stop operation is performed by the stop operation detection means. And the engine auto start process. The work tool is connected to the traveling aircraft with the engine,
Control means for controlling the operation of each part of the gas to the traveling gas,
In the state in which the said control means is operated with a key switch turned on, the engine automatic stop process which stops operation of the said engine based on operation of operation tools other than the said key switch, and the engine auto stop process of the said engine A non-working machine configured to execute an engine auto start process for starting the engine after stopping operation,
Stop operation detecting means for detecting that a traveling gas stop operation for stopping the traveling of the traveling gas is performed;
And the control unit is configured to execute the engine auto start process when it is detected that the traveling gas stop operation has been performed by the stop operation detecting means after the engine auto stop process is executed. The said traveling body stop operation | movement is a switching operation of the main clutch to the neutral state of a shift gear, and switching operation to the neutral state of a transmission gear | tool. A munon working machine, which is at least one operation. The said traveling gas stop operation is an operation | movement of at least any one of the brake operation tool which operates a brake to a braking state, and the clutch operation tool which turns off a main clutch,
At least one of the brake operating tool and the clutch operating tool and the shifting operation such that when the at least one of the brake operating tool and the clutch operating tool is operated, the traveling transmission is forcibly returned to a neutral state. A munon work machine, in which a ball or the traveling speed change device is interlocked with each other.

Images