WO2002094643A1

WO2002094643A1 - Working machine control lever arranging construction of rice transplanter

Info

Publication number: WO2002094643A1
Application number: PCT/JP2001/008073
Authority: WO
Inventors: Makoto Inoue; Hideki Matsuoka
Original assignee: Yanmar Agricultural Equipment Co., Ltd.
Priority date: 2001-05-24
Filing date: 2001-09-17
Publication date: 2002-11-28
Also published as: KR20070089253A; JP2002347670A; KR101178763B1; TWI222850B; KR100739416B1; KR20070043060A; JP4777537B2; KR20090029309A; KR20090031954A; KR20030038563A; KR20060129542A; KR101178761B1; CN1438953A; CN1253068C

Abstract

In a controller construction of a rice transplanter having a running vehicle and a transplanting portion, the rice transplanter is improved in controllability at the running time, at the transplanting time and at the seedling supplying time, and an effective use is made of the space over the running vehicle. The construction is composed of a step portion, on which the operator places his or her foot, a rear structural portion having a driver's seat (5), and a rising portion (48) connecting the step portion and the rear structural portion. In the rising portion (48), there are arranged a unit clutch lever (53), a sensitivity adjusting lever (51) and a hydraulic stop lever (52). The unit clutch lever (53) is arranged on one side of the rising portion across the driver's seat, and the sensitivity adjusting lever (51) and the hydraulic stop lever (52) are arranged on the other hand.

Description

Arrangement of operation levers for rice transplanters

The present invention relates to a work implement operation lever arrangement of a rice transplanter. More specifically, the present invention relates to an arrangement of a unit clutch lever of a rice transplanter and a hydraulic stop lever.

Background art

Light

Conventionally, in a rice transplanter, the planting section elevating lever and unit

A cut lever is provided, and a main shift lever is provided on the other. These operation levers are configured to protrude from a flat step surface.

For example, this is disclosed in Japanese Utility Model Application Laid-Open No. 61-80613.

A unity clutch lever for interrupting the driving force to the planting case is provided near the nursery stand.

However, with the lever arrangement shown in Japanese Utility Model Laid-Open No. 61-80613, it is difficult to effectively use the step surface. In addition, there is little scaffolding in the nursery work, and it is not possible to increase the space for performing the nursery work on the steps of the traveling vehicle.

If the unit clutch lever is installed near the seedling stand, it is necessary to stop the rice transplanter and turn to the rear, and the work will be temporarily suspended. In such an arrangement, the operability when operating the unit clutch lever is deteriorated.

Disclosure of the invention

The present invention relates to a rice transplanter operation device configuration including a traveling vehicle and a planting section, wherein a step section on which a driver places a foot, a rear structure section having a driver's seat, a step section and a rear structure section. And a unity clutch is arranged at the connecting portion.

In addition, in the operation device configuration of the rice transplanter composed of the traveling vehicle and the planting section, A step portion on which a person places a foot, a rear structure portion having a driver's seat, and a connecting portion connecting the step portion and the rear structure portion were configured, and a hydraulic sensitivity adjustment lever was arranged at the connecting portion.

Further, in a rice transplanter operating device configuration composed of a traveling vehicle and a planting section, a step section on which an operator places a foot, a rear structural section having a driver's seat, a step section and a rear structural section are provided. It constitutes a connecting portion for connecting, placing the hydraulic stop lever to said connecting portion _b

Further, in a rice transplanter operating device configuration composed of a traveling vehicle and a planting section, a step section on which an operator places a foot, a rear structural section having a driver's seat, a step section and a rear structural section are provided. A connecting portion is formed, and a unit clutch lever is provided on one side of the connecting portion, and a hydraulic sensitivity adjusting lever and a hydraulic stop are provided on the other side of the connecting portion. I placed Reno one on the rooster. BRIEF DESCRIPTION OF THE FIGURES

Fig. 1 is a perspective view of the rice transplanter, Fig. 2 is the same side view, Fig. 3 is the same plan view, Fig. 4 is the rear view showing the structure of the front column, and Fig. 5 is the operation mechanism. FIG. 6 is a plan view showing the configuration of a lever near the driver's seat, FIG. 7 is a perspective view showing the configuration of a lever near the driver's seat, and FIG. Perspective view showing the arrangement of the lever on the left side of the seat, FIG. 9 is a side view of the same, FIG. 10 is a perspective view showing the connection configuration between the lever unit and the frame, and FIG. 11 is the configuration of the lever unit. FIG. 12 is a plan view showing a wiring arrangement of the unit clutch, FIG. 13 is a perspective view showing a configuration of the unit clutch, and FIG. 14 is a hydraulic stop lever. It is a perspective view. BEST MODE FOR CARRYING OUT THE INVENTION

An embodiment of the present invention will be described with reference to the accompanying drawings.

First, the configuration of the riding rice transplanter will be described with reference to FIGS. The riding rice transplanter is composed of a traveling vehicle 1 and a planting section 2. A link mechanism 9 is provided at the rear of the traveling vehicle 1, and the planting section 2 runs through the link mechanism 9. Connected to line 1 Then, the planting section 2 is moved up and down with respect to the traveling vehicle 1 by the link mechanism 9.

An operator rides on the traveling vehicle 1 and performs an operation. In the traveling vehicle 1, the engine is held by a body frame, and the upper portion of the frame is covered by step 6. A front column 3 is provided upright at the front of the traveling vehicle 1, and a panel 37 is provided above the front column 3 and various operating devices are provided. The front column 3 is covered by a hood 8. '

An engine is arranged in the bonnet 8, and a transmission mechanism such as a hydraulic continuously variable transmission is connected to the rear of the engine. The driving force of the engine is transmitted to the transmission mechanism via the belt and the belt wheel. A driving force transmission mechanism is further connected to the speed change mechanism, so that the driving force of the engine is transmitted to the front and rear wheels, and further to the planting section 2.

Spare seedling stands 7 are arranged on the left and right sides of the front column 3, and / and noodles 4 are arranged on the upper part. The steering wheel 4 is located at the upper and rear portions of the front column 3, and the steering operation of the traveling vehicle 1 is performed by the steering wheel 4. On the left and right sides of the handle 4, operation levers such as a main transmission lever are provided. A driver's seat 5 is provided behind the front column 3, and a worker sits in the driver's seat 5 and controls a riding type rice transplanter.

The planting section 2 includes a seedling mounting table 10 and a plurality of spouting planting devices 11 and the like, and can be moved up and down by a link mechanism 9. The seedling mounting table 10 is arranged diagonally with the front part high and the rear part low. The rotary planting device 11 is arranged below the seedling mounting base 10. The planting claws of the rotary planting device 11 plant the seedlings located at the lower part of the seedling mounting table 10.

The seedling mounting table 10 is supported so as to be reciprocally slidable left and right with respect to the rotary planting device 11, and has a configuration in which the front and rear wheels are driven to move and slide simultaneously. Then, the seedlings of one strain are taken out from the seedling mounting table 10 which is reciprocally slid left and right by the planting claws of the planting device 11 and the seedlings are continuously planted. A seedling feed belt 75 is provided below the seedling mounting table 10, and the seedling feed belt 75 sends the seedlings to the planting claws. Things.

The fertilizer applicator 1 2 is installed between the driver's seat 5 and the planting section 2.

Next, the arrangement of the handle 4 and the main transmission lever will be described with reference to FIG. 4 and FIG.

A handlebar 4 is provided on the upper and rear portions of the front column 3. A main transmission lever 15 is provided on one side of the handlebar 4, and an accelerator lever 16 and a planting portion elevating lever are provided on the other side. 17 are provided.

The main transmission lever 15 is supported by a bracket 19 so as to be rotatable in the left-right direction. The bracket 19 is connected to one end of a support shaft 20, and the support shaft 20 is rotatably supported by the front column 3. As a result, the bracket 19 is configured to be rotatable in the front-rear direction, and the main transmission lever 15 is rotatable in the front-rear and left-right directions. The main transmission lever 15 is bent rearward at the center, and is directed to the operator sitting in the driver's seat 5.

A lever guide 18 is located above the bracket 19, and the main transmission lever 15 is inserted into a guide groove of the lever guide 18. Thus, the rotation range of the main transmission lever 15 is restricted by the lever guide 18. The main speed change lever 15 is operated along a guide groove provided in the lever guide 18.

The lever guide 18 is provided with a guide groove 21 as shown in FIG. The guide groove 21 is composed of a groove 21 a provided in the front-rear direction, a groove 21 b provided in the left-right direction, and a groove 21 c curved obliquely inward in the body.

The groove 21b provided in the left-right direction is connected to the inside of the fuselage at the center of the groove 21a provided in the front-rear direction. A groove 21 that is curved diagonally inward and the front end of a groove 21a that is provided in the front-rear direction is connected to the inside of the fuselage. The groove 21 c curved obliquely inward is configured such that a rear portion and a central portion are provided in the front-rear direction and the front portion is formed diagonally inward. On the front column 3, on the opposite side of the main transmission lever 15, a planting portion elevating lever 17 and an accelerator lever 16 are arranged. In the present embodiment, the planting section elevating lever 17 and the accelerator lever 16 are arranged on the right side of the fuselage. An accelerator lever 16 is provided inside the planting portion elevating lever 17, and the planting portion elevating lever 17 is longer than the accelerator lever 16. The planting section elevating lever 17 and the accelerator lever 16 are inserted into the groove of the lever guide 31 and the lever is operated along the guide groove provided in the lever guide 31. Has become.

The planting section elevation lever 17 controls the elevation of the planting section 2 and operates the marker. The accelerator lever 16 adjusts the driving speed of the traveling vehicle 1. In this embodiment, the accelerator lever 16 controls the engine speed of the traveling vehicle 1 to adjust the driving speed.

The lever guide 31 is provided with guide grooves 34, 35. The rotation direction of the accelerator lever 16 is regulated by the guide grooves 35, and the planting portion elevating lever is controlled by the guide grooves 34. The rotation of 17 is restricted.

The accelerator lever 16 and the planting portion elevating lever 17 are rotatable in the front and rear directions in the guide grooves 34 and 35, and are arranged in parallel. The planting portion elevating lever 17 is also configured to be able to rotate in the front-rear direction and tilt in the left-right direction. The accelerator lever 16 is disposed inside the planting portion elevating lever 17. Further, the accelerator lever 16 is shorter than the planting portion elevating lever 17, and the upper end of the accelerator lever 16 is lower than the upper end of the planting portion elevating lever 17.

In the rice transplanting operation, the planting section elevating lever 17 that is frequently used is disposed outside the accelerator lever 16 and also outside the handle 4. In addition, the planting section elevating lever 17 is located in front of the side end of the driver's seat 5 and is arranged in front of the right hand of the operator who sits in the driver's seat 5 and is arranged at a position where it is easy to operate. Since the accelerator lever 16 is disposed between the planting portion elevating lever 17 and the handle 4, the space for the operation system can be made compact. The accelerator lever 16 is disposed between the planting portion elevating lever 17 and the handle 4, and the upper end thereof is configured to be lower than the grip of the handle 4 and the upper end of the planting portion elevating lever 17.

This makes it possible to secure a sufficient space for operating the accelerator lever 16 between the handle 4 and the planting portion elevating lever 17. And the flow The top of the cell column 3 can be made compact.

Furthermore, it is difficult for the operator's hand to touch the accelerator lever 16 when operating the planting portion elevating lever 17, and even if the accelerator lever 16 is set up near the planting portion elevating lever 17, Does not adversely affect operation.

In the lever guide 31, the guide groove 34 is provided in the front-back direction. Further, the guide grooves 34 are provided in the front-rear direction, and have a configuration in which concave portions are formed on the left and right. The planting portion raising / lowering lever 17 is for raising and lowering the planting portion 2 by rotating in the front-rear direction, and for operating the marker by being positioned in the left and right concave portions of the guide grooves 34. The planting section elevating lever 17 automatically returns from the tilted state in the left-right direction.

A brake pedal 33 is provided below the lever guide 31, and an auxiliary transmission pedal 32 is provided outside the brake pedal 33. The brake pedal 33 and the auxiliary transmission pedal 32 are provided on the step 6. That is, the brake pedal 33 'and the auxiliary transmission pedal 32 are arranged on the step 6 diagonally rearward of the front column 3.

The auxiliary transmission pedal 32 controls the hydraulic continuously variable transmission mounted on the traveling vehicle 1 to adjust the vehicle speed. The auxiliary transmission pedal 32 is for controlling the swash plate of the hydraulic continuously variable transmission connected to the engine, and the tilt angle of the swash plate is controlled by the auxiliary transmission pedal 32.

Next, a configuration near the driver's seat 5 will be described with reference to FIGS.

The driver's seat 5 is disposed on a rear step 46 which is a rear structural portion, and a class of levers for operating the planting section 2 are disposed on the outer side of the driver's seat 5 under the slant.

In the vicinity of the driver's seat 5, the step 6 includes a central step 45, a rear step 46, a rising section 48, and a lever guide section 47. The center step 45 is for the operator to put his / her feet during driving, and the rear step 46 is constituted by a rear structure of the step 6 having the driver's seat 5.

The central step 45 and the rear step 46 are connected by a connecting portion 77, and the connecting portion 77 is constituted by a rising portion 48 and a lever guide portion 47. The rising portion 48 is configured to rise substantially vertically at the connecting portion 77. Standing The lower part of the rising part 48 is connected to the central step 45, and the upper part is connected to the rear step 46 and the lever guide part 47. The lever guide portion 47 is formed as an inclined portion with a lower front portion in the connecting portion 77, and a rear step 46 is connected to the rear portion of the lever guide portion 47. . In the lever guide portion 47, the lever 类 page is configured to protrude.

The central step 45 is disposed behind the front column 3, and the rear step 46 is one step higher than the central step 45. The central step 45 and the rear step 46 are configured to be substantially horizontal. The fertilizer applicator 12 is located behind the rear step 46.

The connecting portion 77 connects the central step 45 and the rear step 46, and a lever guide portion 47 is formed at the left and right central portions of the connecting portion 77. In addition, the rising portion 48 of the connecting portion 77 extends on the left and right sides toward the outside of the fuselage. On the left and right sides of the fuselage, a central step 45 and a rear step 46 are connected via a rising part 48.

A differential lock pedal 49 for locking the front wheel differential mechanism is provided in front of the rising portion 48 and below the front end of the driver's seat 5.

The lever guide portion 47 is configured in a forward-low, rear-high, and forwardly inclined state, and the lever guide portion 47 includes a guide groove provided in the front-rear direction. In the guide groove of the lever guide portion 47, levers for operating the planting portion are inserted.

As described above, the operation lever of the planting portion is configured by the lever guide portion 47 provided on the inclined surface of the connecting portion 77 under the driver's seat 5.

A unit clutch lever 53 is disposed below one side of the driver's seat 5, and a hydraulic stop lever 52 and a sensitivity adjustment lever 51 are provided below the opposite side.

In this way, by providing the unit clutch lever 53, the sensitivity adjustment lever 51, and the hydraulic stop lever 52, which are operated at the time of work, etc., at the side and below the driver's seat 5, normal planting can be achieved. It can be placed in a place where it does not interfere with the devices operated when attaching. Furthermore, while sitting in the driver's seat 5, the unit clutch lever 53, the sensitivity adjustment lever 51, and the hydraulic stop lever 52 can be operated.

That is, the levers to be operated during work at the beach, etc., are placed beside and below the driver's seat 5. In this case, the operation of the handle 4, the main transmission lever 15 and the planting lever 17 and the accelerator lever 16 is not hindered. And, while sitting, it is possible to easily operate a class of levers that are operated when working in a bath, etc., thereby improving the operability of the rice transplanter.

That is, the unit clutch lever 53, the hydraulic stop lever 52, and the sensitivity adjusting lever 51 are located on the side of the driver's seat 5 and between the center step 45 and the rear step 46, with the front-rear and rear-high slopes. Since it is arranged on the lever guide portion 47 constituted by the above, the planar projection area of the lever guide portion 47 can be reduced, and the area of the central step 45 and the rear step 46 can be increased.

Furthermore, a large space can be provided on the side of the driver's seat 5, and in the seedling transfer operation for placing the seedlings on the seedling mounting table 10, the operator can use the unit clutch lever 53, the hydraulic stop lever 52, and It becomes difficult to touch the sensitivity adjustment lever 51.

Thereby, the workability of both the driving operation and the seedling operation can be improved. On the left side of the driver's seat 5, a hydraulic stop lever 52 and a sensitivity adjusting lever 51 are arranged from the inside of the fuselage. The hydraulic stop lever 52 and the sensitivity adjustment lever 51 are configured to be rotatable in the front-rear direction. The hydraulic stop lever 52 is used to turn on and off the hydraulic oil supply oil passage to the lifting cylinder that moves the planting section 2 up and down.

The sensitivity adjustment lever 51 adjusts the sensitivity of the posture control of the planting unit 2 with respect to the tilt of the float provided in the planting unit 2.

By placing a hydraulic stop lever 5 2 for opening and closing the hydraulic circuit for raising and lowering the planting section 2 on the step rising surface below the driver's seat 5, operation during planting and seedling, No. In addition, the hydraulic stop lever 152 can be easily operated even while sitting in the driver's seat 5 or getting off the traveling vehicle.

A unit clutch lever 53 is provided in the right lever guide portion 47 of the driver's seat 5. In this embodiment, the unit clutch lever 53 is composed of three levers because it is a six-row rice transplanter. One unit clutch lever 53 is a rotary for the two-row planting part 2. The planting device 1 1 · 1 1, the seedling feed belt 7 5 • 7 5 and the fertilizer applicator 1 2 are used to intermittently drive the drive transmission. The unit clutch lever 53 is disposed in parallel on the right side of the driver's seat 5, and the unit clutch lever 53 is operated by turning in the front-rear direction.

The unit clutch lever 53 is installed on the step rising surface below the driver's seat 5 so that the unit clutch can be turned on and off while sitting in the driver's seat 5 when planting. The performance is improved.

Since the unit clutch lever 53 is located below the seat surface of the driver's seat 5 and located near the side of the driver's seat 5, the operator is aware that the body may come into contact with the unit clutch lever 53 or the like. The work can be performed without the need for the work, and the step surface on which the pilot can move can be made large.

Then, the operator can operate the lever such as the unit clutch lever 53 while holding the steering wheel 4 or facing forward, so that the workability and the planting accuracy can be improved.

In addition, the levers are formed on the inclined portion of step 6 near the driver's seat 5, so that the lever can be easily turned and does not hinder the work. Rear Step 46 can be effectively used as a scaffold for transferring seedlings.

Next, the mounting configuration of the lever near the driver's seat 5 will be described with reference to FIGS. 10 to 14. FIG.

As shown in FIG. 10, the body frame 56 is composed of two frames 73, 73 arranged in the front-rear direction and members arranged in the left-right direction connecting these frames. An engine (not shown) is provided at the front of the body frame 56, and a transmission 57 is provided behind the engine. The driving force of the engine is transmitted to the front axle case on the side of the transmission 57 and the rear axle case provided at the rear of the aircraft.

The levers of the unit clutch lever 53, the sensitivity adjustment lever 51, and the hydraulic stop lever 52 are mounted on a lever support member 58. The lever support member 58 is disposed in the vicinity of the center of the body frame 56.

A top link support portion 59 is provided at the rear end of the body frame 56. is there. The top link of the link mechanism 9 is connected to the top link support portion 59 and serves as a top link fulcrum. A clutch wire holding portion 60 is provided beside the top link support portion 59.

A wire 61 is connected to the unity clutch lever 53 provided on the lever support member 58, and the operation of intermittent driving force is performed on the planting case via the wire 61. It is.

One end of the wire 61 is connected to the base of the unit clutch lever 53. The inner portion of the wire 61 is connected to the engaging portion 62 of the unit clutch lever 53, and the outer portion is fixed to a stay 66 fixed to the lever support member 58.

The other end of the wire 61 extends rearward and is connected to the clutch wire holding portion 60. The clutch wire holding section 60 is constituted by a member formed in a U-shape in plan view and a link mechanism held by the member. In the U-shaped member, the upper part of the U-shape is connected to the body frame 56, and the lower part is connected to the wire of the wire connected to the planting section 2.

The inner side of the clutch wire 61 is connected to a link mechanism. Through this link mechanism, the rotary planting device 11, the feeding device of the fertilizer applicator 12, and the driving force interrupting mechanism of the seedling feed belt 75 are connected. It is connected to.

The clutch wire holding portion 60 holds the operation link of the unit clutch, receives the wire 61, and connects to the link mechanism. The clutch wire holding portion 60 is provided on the side of the top link support portion 59 at the rear of the frame 56, so that the clutch wire can easily follow the planting surface even when the planting portion 2 moves up and down. ing.

Since the length of the wire 61 does not change depending on the elevation link angle, there is no slack or snagging of the wire at any position of the planting # 52, and the operating force does not change. In addition, the work space is not hindered by the link mechanism, so that the workability of the adjustment work is good.

At the base of the unit clutch lever 53, a detent mechanism is installed, and the unit clutch lever 53 is moved to the driving force transmission position or the driving force cutoff position. It can be held.

A push-button release switch 67 is provided at the upper end of the unit clutch lever 53, and the holding mechanism of the unit clutch lever 53 can be released by pressing the switch 67.

The support shaft 63 of the unit clutch lever 53 has a hole perpendicular to the axial direction, and the ball 65 is disposed in the hole. The ball 65 is urged toward the unit clutch lever 53 by a panel or the like in the hole. Shreds 64 are in contact.

In the natural state, the ball 65 fits into the hole at the base of the unit clutch lever 53, and the unit clutch lever 53 is held at the fixed position. The push rod 64 is connected to the push button 67, and when the push button 67 is pressed, the push port pad 64 pushes the ball 65, and the ball 65 and the unit clutch lever 53 are connected. Is released, and the unit clutch lever 53 becomes rotatable with respect to the support shaft 63.

By setting the unit clutch lever 53 as a push-button release lever, it can be easily operated while traveling, and will not be released even if the lever is accidentally touched. As a result, erroneous operation does not occur at the time of seedling transfer or getting on / off the machine.

Next, the configuration of the hydraulic stop lever 52 will be described with reference to FIG. The hydraulic stop lever 52 is directly connected to the hydraulic stop valve 71, and is configured to open and close the hydraulic stop valve 71 by rotating the hydraulic stop lever 52. An accumulator 72 is directly connected to the hydraulic stop valve 71.

Hydraulic stuff. A hydraulic stop valve 71 is connected to the base of the lever 52, and an accumulator 72 is connected to the lower part of the hydraulic stop valve 71.

That is, a mechanism for shutting off the hydraulic pressure is directly connected to the hydraulic stop lever 52, so that the hydraulic pressure adjusting mechanism can be made compact.

Hydraulic stop valve 7 1 Attach the accumulator 7 2 directly to the main body and stop. Since it is located between the valve 7 1 and the lifting cylinder that raises and lowers the planting section 2, And the number of parts can be reduced. In addition, it is possible to perform light weight dangling and to reduce the number of assembling steps. The structure is simplified and the reliability can be improved. Industrial applicability

As described above, the present invention is applicable to the arrangement configuration of the unity clutch lever and the hydraulic stop lever in a rice transplanter.

The present invention relates to a rice transplanter operation device configuration including a traveling vehicle and a planting section, wherein a step section on which a driver places a foot, a rear structure section having a driver's seat, a step section and a rear structure section. And the unit clutch lever is arranged in the connecting unit, so that the unit clutch can be turned on and off while sitting in the driver's seat, which improves operability. improves. In addition, the unity clutch lever does not get in the way during seedling work, as compared to the conventional one provided on the left and right sides of the driver's seat.

In other words, a favorable working environment can be prepared both in operability and in seedling work.

The present invention also provides a rice transplanter operating device configuration including a traveling vehicle and a planting section, wherein a step section on which a driver places a foot, a rear structure section having a driver's seat, and a step section are provided. The hydraulic pressure sensitivity adjustment lever is arranged at the connection part that connects the part and the rear structural part, so that the hydraulic sensitivity can be adjusted while sitting in the driver's seat, and the operability is good. Becomes Furthermore, the lever does not get in the way during seedling work.

The present invention also provides a rice transplanter operating device configuration including a traveling vehicle and a planting section, wherein a step section on which a driver places a foot, a rear structure section having a driver's seat, and a step section are provided. Since the connecting part that connects the part and the rear structural part is configured and the hydraulic stop lever is arranged at the connecting part, it does not hinder the operation during planting operation or seedling operation. It is also possible to operate while sitting in the driver's seat or getting off the aircraft.

Further, the present invention provides a rice transplanter operating device configuration including a traveling vehicle and a planting section, wherein a step section on which a pilot places a foot, a rear structure section having a driver's seat, and a step section are provided. A connecting portion that connects the stop portion and the rear structural portion is formed, and a unit clutch lever is disposed on one side of the driver's seat, and a hydraulic sensitivity adjustment lever and a hydraulic stop lever are disposed on the other side of the connecting portion. Therefore, since the unit clutch lever composed of a plurality of pieces is provided at the same position, operability is improved. Furthermore, by arranging a plurality of unit clutch levers, a single hydraulic sensitivity adjustment lever and a single hydraulic stop lever, a compact arrangement is achieved.

Claims

The scope of the claims

1. In an operation device configuration of a rice transplanter composed of a traveling vehicle and a planting section, a step section on which a pilot places a foot, a rear structure section having a driver's seat, a step section and a rear structure section are included. A work implement operating lever arrangement for a rice transplanter, comprising: a connecting portion to be connected; and a unit clutch lever disposed in the connecting portion.

2. In a rice transplanter operating device configuration composed of a traveling vehicle and a planting section, a step section on which a driver places a foot, a rear structure section having a driver's seat, and a step section and a rear structure section. A configuration of a working machine operating lever of a rice transplanter, wherein a connecting portion to be connected is formed, and a hydraulic sensitivity adjusting lever is disposed at the connecting portion.

3. In the operation device configuration of the rice transplanter composed of the traveling vehicle and the planting section, the step section on which the operator places the foot, the rear structure section having the driver's seat, the step section and the rear structure section are included. A work implement operating lever arrangement for a rice transplanter, comprising a connecting portion to be connected, and a hydraulic stop lever disposed at the connecting portion.

4. In the configuration of the rice transplanter operating device composed of the traveling vehicle and the planting section, the step section on which the operator places the foot, the rear structure section having the driver's seat, the step section and the rear structure section A rice transplanter operation characterized by comprising a connecting portion to be connected, with a unit clutch lever provided on one side of the driver's seat and a hydraulic sensitivity adjusting lever and a hydraulic stop lever provided on the other side of the connecting portion. Machine operation! One configuration.