JP3443401B2 - Ground work machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [0001] BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a configuration of lifting and lowering driving of an industrial apparatus. [0002] 2. Description of the Related Art In a ground working machine, a traveling machine is provided with a traveling body.
A drive mechanism that drives the work equipment up and down, and transmits power to the work equipment
Equipped with a working clutch, the working mechanism by the driving mechanism
To the desired height, or engage the work clutch
It is configured to be able to make and cut
There are things. [0003] SUMMARY OF THE INVENTION Riding, which is a ground working machine
With a rice transplanter, for example, one planting
When the traveling aircraft reaches the edge of the ridge after the journey, the pilot
Planting clutch (working clutch) for planting device (working device)
Cut off the seedling planting equipment and turn off the seedling planting equipment.
From the surface to raise the seedling planting equipment greatly
Operate the steering wheel in the upright position and turn the traveling aircraft around the ridge
Let it. After this, when the turn around the ridge ends, the pilot
The seedling planting device that was driven up is driven down to the mud surface,
Engage the planting clutch to operate the seedling planting device,
Planting is resumed and the next planting process is started. [0004] As described above, in the ground work machine, for example, when reaching a ridge
When the work clutch is disengaged,
Many operations, such as operation for raising the device, can be performed quickly and quickly.
Must be performed well, especially for unskilled people.
Operation of lifting drive and other operations of industrial equipment becomes difficult
Sometimes. The present invention relates to a ground work machine,
Construct so that the operation of ascending drive and other operations can be performed easily
It is intended to be. [0005] SUMMARY OF THE INVENTION A feature of the present invention is ground work.
In the machine, it is configured as follows. Traveling aircraft
Drive mechanism for driving up and down the working device provided in the
And a work clutch for transmitting power to the device.
Linkage mechanism with a swingable relay swing arm as a fulcrum
Mechanically connects the actuator and the work clutch
The work clutch is operated by the actuator
Operation and cutting operation, and
Work device by drive mechanism with clutch operation
To the predetermined height and the drive mechanism
The lowering operation of lowering the work equipment until it touches the ground is performed.
Equipped with a forced lifting deviceA in the linkage mechanism
In the case of a failure in the linking member linked to the actuator
By releasing the link between the linking member and the actuator,
Therefore, the linking member is operated by an operation tool different from the forced lifting operation tool.
And directly operate the work clutch via the relay swing arm.
It is configured to work. [0006] [Action] [I] According to the characteristic of claim 1, the operator operates the forced lifting operation tool.
When operating, the work clutch is disengaged by the actuator.
The working device is raised to the specified height by the drive mechanism.
Driven up. When the pilot operates the lifting device,
The drive mechanism is driven down until the work equipment is grounded.
You. This makes it possible for the ground work machine to reach
When the pilot operates the forced lifting operation tool,
The working device is raised to the specified height
As it is driven upward, the burden on the pilot is light
And the operator concentrates on other operations such as operating the steering wheel.
You will be able to do it inside. [II] According to the features of claim 1, the working clutch is an actuator.
The on / off operation is performed by the
The work clutch can be easily turned on and off.
You. In this way, the work clutch is engaged and disengaged.
When equipped with an actuator,
The device (microcomputer) breaks down and
The operation of entering and exiting the switch becomes impossible.
Is considered as a possibility. According to the feature of the first aspect, the support shaft is used as a fulcrum.
Through a linkage mechanism with a relay swing arm that can swing freely
And mechanically link the actuator and the work clutch.
AndLinked to the actuator in the linkage mechanism
By releasing the link between the linking member and the actuator,
Therefore, the linkage unit is operated by an operating tool different from the forced lifting operating tool. Lumber
And directly operate the work clutch via the relay swing arm.
Can be made.This allows access as described above.
Tutor or control device (microcomputer) failure
And the work clutch cannot be engaged or disengaged.
When it becomes a state,For actuators in linkage mechanisms
Release the link between the linked member and the actuator
Is different from the forced lifting deviceDepending on the operating tool
The work clutch may be operated directly. [III] As described in the preceding section [II],Acti in the linkage mechanism
The link between the linking member linked to the actuator and the actuator
By releasing the engagement, it is different from the forced lifting operation tool
Directly via the linking member and relay swing arm with the operating tool
When operating the work clutch,According to the features of claim 1
Then, the relay swing arm and the work clutch in the linkage mechanism
Using the part that spansDifferent from forced lifting operation toolOperation
The work clutch must be operated directly by the implement.
You. Thereby, according to the features of claim 1, the actuator
Operation and disengagement operation of the work clutch,
ToDifferent from forced lifting operation toolDirect operation with operating tools
The operation of the clutch
The part between the pivoting arm and the work clutch is used
Will be. [IV] To slide linearly along the guide rail
Swingable with the support shaft as a fulcrum compared to supported members
Relay swing arm, the direction and magnitude of the load applied to itself
Operates stably with little backlash even if changes
(Rocking). Thus, according to the first aspect of the present invention,
Swingable with the support shaft as a fulcrum as described in item [II]
Actuating mechanism via a linkage mechanism with
Whether the eta and the work clutch are mechanically linked
Et al.,Linkage linked to actuator in linkage mechanism
By releasing the link between the member and the actuator,
Therefore, the linking member and the
Operating the work clutch directly via the swing arm
Different from the forced lifting deviceOperation of the operating toolCommunicating
Engaging members andSuitable for work clutch via relay swing arm
Transmitted toDifferent from forced lifting operation toolDepending on the operating tool
The work clutch is directly operated. [0012] According to the first aspect of the present invention, the forcible lifting operation is performed.
By operating the tool, the work
The working device is driven by the drive mechanism with the latch
Drive up to the specified height and operate the forced lifting operation tool
This allows the drive mechanism to lower
By being configured to be driven down,
The burden is reduced and the pilot can operate the steering wheel
Ground work because you can concentrate on the operation
The operability of the machine was improved. According to the features of the first aspect, the actuator
The work clutch can be easily put into and out of operation by
Therefore, the operability of the on / off operation of the work clutch
It was good. According to the features of claim 1
And a relay swing arm that can swing around the support shaft.
The actuator and work clutch are connected via the link mechanism
Is mechanically linked to the actuator and control device.
(Microcomputer) failed, work clutch
Even if it becomes impossible to perform the on and off operations,
Linking member linked to actuator in linking mechanism
By releasing the link between
Linking members and relays using operating tools different from the lifting / lowering operating tools
Through the swing armWork clutch can be operated directly
Therefore, the on / off operation of the work clutch cannot be performed.
The state of saying that work is interrupted is reduced, and ground work
The work efficiency of the machine could be improved. According to the features of the first aspect, the actuator
Work clutch on and off operations, and
Different from forced lifting operation toolDepends on operation toolDirectWork
In both the operation of the latch, the relay swing in the linkage mechanism
The part between the moving arm and the work clutch is used
Is advantageous in terms of sharing parts and simplifying the structure.
It became something. According to the features of claim 1,In the linkage mechanism
Member and Actuator Linked to Actuator
By releasing the link with the
Is operated by different operating tools via the linking member and the relay swing arm.
To operate the work clutch directly,
Different from utensilOperation of the operating toolLinking members andRelay swing a
Properly transmitted to the work clutch through theForced lifting
Different from operating toolsWork clutch is directly operated by operating tool
Since it will be operatedDifferent from forced lifting operation tool
Enhancing the reliability of operation of the work clutch by operating tools
Was completed. [0016] Embodiments will be described below with reference to the drawings. FIG.
2 shows a riding type rice transplanter as a ground working machine. This
The riding type rice transplanter is a quadruple parallel to the rear of the riding type
The seedling planting device 2 is connected up and down freely via the link mechanism 1
It is configured. Engine 3 is mounted in front of the traveling aircraft
The power of the engine 3 is mounted on the
It is transmitted to the transmission case 5 via the transmission 4 and
Gear case main transmission (not shown)
Transmitted to the front wheels 6 and the rear wheels 7 via the
It is configured to be driven. Mission case 5
The power after the shifting operation is transmitted through the transmission shaft 8 and the planting clutch 9.
And is transmitted to the seedling planting apparatus 2.
The seedling can be planted while the traveling machine is running. As shown in FIG. 1, the seedling planting device 2
Seedling stand 10 that moves back and forth with a fixed stroke
Take out seedlings one by one from the lower end of the stand 10 and plant them in the field.
Planting mechanism 11 attached, swingably supported around the rear fulcrum
And a plurality of grounded floats 12 and the like.
And can be driven up and down by a hydraulic cylinder 13.
I have. Planting seedlings with the seedling planting apparatus 2 grounded
When performing the operation, the height of the mud surface of the seedling plant
Automatic elevating control means for maintaining the height. In FIG.
As shown, the hydraulic control valve V for the hydraulic cylinder 13 is
The hydraulic control valve V is configured by an electromagnetic drive
Drive control electrically by controller 14 with computer
I do. Up and down due to ground pressure fluctuation of the center ground float 12
The swing amount is detected by the first potentiometer PM1.
The detection value of the first potentiometer PM1 is
Control to match the set value of the provided regulator 15
The device 14 automatically drives and controls the hydraulic control valve V. When running on a road or turning on a ridge in a field, etc.
The seedling planting device 2 moves between the maximum ascending position and the ground contact descending position.
It is constructed so that it can be driven up and down artificially by the surroundings. FIG. 2 and
As shown in FIG. 1, a swing operation is performed on the side of the driver's seat 16 of the control unit.
Operation lever 17 is disposed, and the operating position of the swing operation lever 17 is
Is detected by the second potentiometer PM2,
The control device 14 checks the detected value of the second potentiometer PM2.
Zone discrimination for each fixed level, ascending position, neutral position, lower position
The operation state of the descending position and the planting position is controlled. Swing operation
When the bar 17 is operated to the raised position, the hydraulic cylinder 13
The seedling planting device 2 is driven upward by the
7 is operated to the neutral position, the seedling planting device 2 moves to that position.
Is held. Swing operation lever 17 is lowered and planted
When operated to the position, the automatic elevating control means as described above
A control program is configured to operate. As shown in FIG. 2, the swing operation lever 17 is
While operating in the planting position, raise the seedling planting device 2 up to the maximum.
A lift that is forcibly driven up and down between the ascending position and the touchdown position
Equipped with a down switch SW for turning on the ridge of the field
Raising and lowering of the seedling planting device 2 with less troublesome finger operation
Movement. As shown in FIG. 2 and FIG.
9 is turned on and off by the electric motor 18
As described above, the planting clutch 9 and the electric motor 18
The electric motor 18 is controlled through a linkage 19
The drive is controlled by the device 14. As shown in FIG.
The dynamic motor 18 is located below the swing operation lever 17.
To the small-diameter gear 20 rotated by the electric motor 18.
An oscillating member 22 provided with a large-diameter gear 21 that engages is provided.
And a relay swing arm 2 that can swing about a support shaft.
4 and the operating arm 23 of the swing member 22 are connected to the connecting rod 2
5 and linked via a stroke absorbing spring 26
On / off operation of the relay swing arm 24 and the planting clutch 9
The tool 9a is linked via a link 27. Planting
The latch 9 is configured as an occlusal type, and is configured by a spring (not shown).
And is urged to the reciprocating operation side by the electric motor 18.
The on / off operation tool 9a of the planting clutch 9 is pulled and planted.
The clutch 9 is disengaged. The control device 14 is configured such that the swing operation lever 17 is implanted.
When operated to the attachment position, the planting clutch 9 is engaged and operated.
Drive control of the electric motor 18 as described above. Lift switch S
When the seedling planting apparatus 2 is driven up and down by W,
The planting clutch 9 is driven by the electric motor 18 almost simultaneously with the
Is cut off, and the seedling planting device 2 descends on the ground in the downward drive.
After a predetermined time has passed since the
The planting clutch 9 is turned on and operated by the motor 18.
Is set with the timing of drive control. During the operation of planting seedlings in the field, the electric motor 18
Breaks down, and the on and off operations of the planting clutch 9
If it becomes impossible, it operates as shown by the phantom line in FIG.
Release the connection of the connecting rod 25 to the arm 23 and swing
The swing boss portion of the movement operation lever 17 is integrally swingably formed.
The connecting rod 25 to the operating arm 28
connect. Thereby, the swing operation lever 17 is moved to the raised position.
Or, when operated to the neutral position, the connecting rod 25 is pulled.
Then, the planting clutch 9 is disengaged and the swing operation lever is operated.
17 is moved to the planting position, the connecting rod 25 is pulled.
The crop is released, and the planting clutch 9 is operated by the urging force of the spring.
The swinging operation lever 17 is used for planting
Switch 9 can be manually turned on and off.
You. When the planting clutch 9 is turned off, the swing operation lever 1
7 receives a tensile force from a spring 26 for absorbing stroke.
However, the swing operation lever 17 is locked and held by the guide plate 30.
You can have. [Another embodiment] As shown in FIG. 4, the linking mechanism 19 is an arc-shaped connecting rod.
31 and through a spring 26 for absorbing stroke
It may be configured as follows. When configured as shown in FIG.
When the linkage mechanism 19 is connected to the swing operation lever 17
In this case, the planting clutch 9 is disengaged and operated by the swing operation lever 17.
When making, swinging operation by dead point overrun action
Since the operation lever 17 is held at the position, the swing operation is performed.
It is necessary to provide a guide plate 30 for locking and holding the operation lever 17
Disappears. The present invention is not limited to riding type rice transplanters,
The present invention can also be applied to other ground working machines such as a tiller. In the claims, reference is made to the drawings.
For ease of description, the reference numerals are used, and the present invention
It is not limited to the configuration of the attached drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view of a riding type rice transplanter. FIG. 2 is a block diagram of control. FIG. 3 is a side view showing an operation system of a planting clutch. FIG. 2 is a side view showing an operation system of a clutch with a clutch. [Description of References] 2 Working device 9 Working clutch 13 Drive mechanism 17 Operating tool 18 Actuator 19 Linking mechanism 24 Relay swing arm 25, 31 Linking member SW Forced lifting / lowering operating tool

Claims (1)

(1) A driving mechanism (13) for vertically moving a working device (2) provided in a traveling machine body, and the working device (2).
A work clutch (9) for transmitting power to the relay arm, and a relay swing arm (24) swingable around a support shaft.
An actuator (18) and the working clutch (9) are mechanically linked via a linking mechanism (19) having a mechanism, and the working clutch (9) is turned on and off by the actuator (18). A lifting operation for driving the working device (2) up to a predetermined height by the drive mechanism (13) with a disengagement operation of the work clutch (9) by the actuator (18); and the drive mechanism. According to (13), there is provided a forcible lifting / lowering operation tool (SW) for performing a lowering operation of driving the working device (2) down until it is grounded, and the actuator (1) in the link mechanism (19).
Smell of linking members (25) and (31) linked to 8)
In the event of a failure, the link members (25), (31) and the
Disconnecting with the actuator (18)
Therefore, the operation tool (1) different from the forced lifting operation tool (SW)
7) The link members (25), (31) and the
The work clutch is directly connected via the swing arm (24).
H (9) can be operated .