JPH11313513A - Rice transplanter having fertilizer applicator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a rice transplanter hardly causing a malfunction or a forget ting of an operation while providing a fertilizer applicator and a planting part at a rear side of an operating seat. SOLUTION: This rice transplanter has a drawing out device 31 drawing out a fertilizer at the vicinity of a rear side of a machine body over a rear part of a traveling vehicle 2 and a planting part 4 at a position in rear side of the machine body from the drawing out device 31 in capable of elevating through a link device 3 in a rear part of a driving vehicle 2, and one operating lever performing a on- and off-operation of transmission to the drawing out device 31 and the planting part 4 and an elevating operation at a side part of the operating seat 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanter equipped with a fertilizer and a fertilizer, which performs fertilization while planting seedlings.

[0002]

2. Description of the Related Art Conventionally, there is a rice transplanter equipped with a fertilizer and a fertilizer, which is mounted behind a cockpit of a motor vehicle. In the case of such a configuration, since the both working devices for fertilization and planting are located behind the cockpit, there is an advantage that both working devices do not hinder the forward view of the aircraft. However, since both working devices are located behind the cockpit, the operating status of both working devices cannot be seen directly from the cockpit unless the player turns around. There is a disadvantage that it is difficult to proceed.

[0003]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a rice transplanter equipped with a fertilizing device 5 and a planting section 4 mounted on a rear side of a cockpit 9 of a motor vehicle 2 with a fertilizing device. A feeder 31 that feeds out fertilizer is provided on the rear of the traveling vehicle 2 so as to be located in the vicinity of the rear side of the fuselage with respect to the cockpit 9, and the planting section 4 is located more rearward of the fuselage than the feeder 31. Is provided at the rear of the device via a link device 3 so as to be able to move up and down,
A rice planting plant with a fertilizer device, wherein one operation lever 70 is provided on a side portion of the cockpit 9 for turning on and off the transmission to the feeding unit 31 and the planting unit 4 and for raising and lowering the planting unit 4. It was a chance.

[0004]

The rice transplanter equipped with a fertilizer according to the present invention lowers the planting unit 4 when starting the next operation by turning at the field end, and subsequently the fertilizer 5 and the planting unit 4 are moved. The operation for turning on the power transmission can be operated with one operation lever 70. In addition, since the operation lever 70 is provided on the side portion of the cockpit 9, the operator sitting on the cockpit 9 can easily turn around the fuselage and perform the operation. And the feeder 31 that feeds out the fertilizer is positioned near the rear side of the fuselage with respect to the cockpit 9 so that the traveling vehicle 2
The planting part 4 is located on the rear side of the fuselage with respect to the fuselage and is provided at the rear part of the powered vehicle 2 via the link device 3 so that the planting part 4 can be lowered. The fertilizer device 5 and the planting part 4 are provided behind the cockpit 9 so that it is possible to easily and directly confirm the state where the power has been transmitted to the fertilizer device 5 and the planting part 4. However, erroneous operation or forgetting of operation is unlikely to occur, so that the work can be properly advanced.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A fertilized rice transplanter 1 shown in FIG. A fertilizer applicator 5 is provided at the interval of. In the figure, 6 is a front wheel, 7 is a rear wheel, 8 is an engine, and 9 is a cockpit.

The link device 3 includes a pair of left and right upper links 11, 11 and lower links 12, 12, which are rotatably mounted on a link base 10 of the motor vehicle 2. A link frame is provided at the rear ends of the upper and lower links. 13 are connected. The planting portion 4 is mounted on a rolling shaft 14 projecting rearward from the lower end of the connection frame 13 so as to be rotatable in a plane perpendicular to the traveling direction. The piston rod 18 of the hydraulic cylinder 17 having the base mounted on the machine frame 16
11 is connected to the tip of a swing arm 15 protruding downward from the base of the plant 11. The planting section 4 is moved up and down by expanding and contracting the hydraulic cylinder. The hydraulic cylinder 17 is controlled by a hydraulic valve 28 described later.

[0007] The planting section 4 includes a transmission case 20 also serving as a planting section frame, a seedling mounting table 21 which is provided above the transmission case so that the front side is inclined upward, and a rear end of the transmission case 20. Planting devices 22, ... for the number of planting strips provided in
The seedling table 21 reciprocates left and right to sequentially supply the seedlings on the table to a seedling outlet provided below the seedling table, while the planting device 22,
Move vertically while drawing a predetermined trajectory, and the planting claw 23a of the planting rod 23 clamps the seedling supplied to the seedling outlet above the trajectory. It is open at the lower part of the track and is planted in the field. Planting part 4
The lower part of the vehicle is provided with a center float 25 and a pair of side floats 26, 26 on the left and right sides, so as to level the field scene while proceeding with the aircraft. Each of the floats 25, 26, 26 is provided with a groove forming device 27,... For forming a groove for seedling planting at a predetermined position in the field scene. The center float 25 is also a sensor for detecting unevenness in a field scene, and the hydraulic valve 28 is driven according to the vertical movement of the center float 25. That is, when the center float 25 moves upward, the hydraulic valve 28 is driven in a direction to extend the hydraulic cylinder 17, and when the center float 25 moves downward, the hydraulic valve 28 is driven in a direction to contract the hydraulic cylinder 17.

[0008] The fertilizer application device 5 is a fertilizer hopper 3 for adding fertilizer.
0,..., A feeder 31 that sequentially feeds the fertilizer in the fertilizer hopper 30 downward by rotating the feed roll 31a, and a fertilizer application hopper 32 provided facing the seedling planting groove. , And the flexible fertilizer hoses 33 connecting the feeders 31, ... and the fertilizer hoppers 32, ...
Consists of Among them, the fertilizer hoppers 30,... And the feeders 31,... Which are the main parts of the fertilizer applicator are attached to a fertilizer application frame 35 laid horizontally on the link base 10. As shown in FIG. 11, the fertilizer application frame 35 is hollow, and warm air in the engine room 37 is supplied to the lower end of the feeder 31 through the fertilizer application frame 35 by the blower 36. The fertilizer is allowed to flow smoothly and is prevented from solidifying in the fertilizer hose. As shown in the figure, in order to properly feed the fertilizer from the feeder 32 to the fertilizer hose 33,
It is preferable to provide an air inlet 38 for hot air or the like in a portion of the funnel portion 31b of the feeder having a relatively large cross-sectional area. In addition,
The blower 36 is connected to the engine output shaft 8 via a transmission belt 38.
It is driven by the power transmitted from a.

The working unit drive output of the power vehicle 2 is transmitted to a planting and fertilizing clutch case 40 provided at the rear of the machine body, where it is separated into an output for driving the planting unit and an output for driving the fertilizer, and is taken out. It is. The output for driving the planting portion is transmitted to the transmission case 20 via the transmitting shaft 41 for the planting portion, and the output for driving the fertilizer is a transmission comprising the clutch-side arm 42, the connecting rod 43, and the feeder-side arm 44. It is transmitted to the feeding roll 31a via a mechanism.

The structure of the clutch case 40 is as shown in FIGS. That is, an input shaft 45 connected to a transmission, a planting clutch shaft 46 to which the planting portion transmission shaft 41 is connected via a joint 41a, and a fertilizing clutch shaft 4 to which the clutch side arm 42 is attached.
7 and a counter shaft 48 are supported in parallel, and the planting clutch shaft 4 is connected from the input shaft 45 via the counter shaft 48.
6 and the transmission from the input shaft 45 to the fertilizer clutch shaft 47. Input shaft gear 50,
51 and the gears 52 and 53 of the counter shaft, and the gears 54 and 55 of the counter shaft and the gears 56 and 57 of the planting clutch shaft are selectively meshed with each other. Can be adjusted.
The gear 58 of the fertilizer application clutch shaft is always meshed with the gear 51.

Next, the configuration of the planting clutch 40A will be described. The cylindrical body 6 in which the gears 56 and 57 are integrally formed.
Numeral 0 is rotatably attached to the planting clutch shaft 46. The planting clutch body 61 is non-rotatably and slidably fitted to the planting clutch shaft 46 so as to face the cylindrical body 60. The planting clutch body 61 is formed by a spring 62 into a cylindrical body 6.
0 and are always claw 60a, 61a
Are engaged with each other to engage the planting clutch, but the planting clutch is disengaged by moving the planting clutch body 61 to the side opposite to the cylinder 60 with the planting clutch pin 63.

The fertilizing clutch 40B has the same structure as the planting clutch. A cylindrical body 65 integrally formed with the gear 58 is rotatably fitted to the fertilizing clutch shaft 47, and the fertilizing clat body 66 is connected to the fertilizing clutch shaft 47. Are fitted non-rotatably and slidably. The planting clutch body 66 is urged toward the cylinder 65 by a spring 67, and the claws 65a, 66a of both are normally engaged with each other to engage the fertilizing clutch. The fertilizer application clutch is disengaged by moving the body 66 to the opposite side of the cylinder 65.

Planting clutch 40A and fertilizing clutch 40B
The on / off operation and the raising / lowering operation of the planting section 4 are performed by a common operation lever 70 provided on the right side of the cockpit 9. FIGS. 4 to 9 show the mounting portion. A planting cam 72A, a fertilizing cam 72B, and a hydraulic cam 72C are integrally mounted on a mounting shaft 71 of an operation lever 70, and these cams 72 (A, B, The roller 73 (A, B, C) that contacts the cam surface formed on the lower surface of (C)
(A, B, C). Each operation arm 74 (A, B, C) is rotatably mounted on the operation arm shaft 75 up and down, and is urged to the cam side by a spring 76 (A, B, C). Planting operation arm 74A
The fertilizing operation arm 74B is provided with the fertilizing clutch pin 68 and a tension wire 77 for applying tension to the transmission belt 38 for driving the blower. Also,
A valve operation wire 78 for operating the hydraulic valve 28 is attached to the hydraulic cam 72C.

The operation lever 70 is operated to rotate back and forth.
Is set. The hydraulic cam 72C is a positioning cam for the operation lever, and includes positioning recesses formed on the cam surface.
When the roller 73C is engaged with the
0 is stably held at the lever position. Further, the operation wire 77 moves forward and backward by the rotation of the hydraulic cam 72C, and the hydraulic valve 28 is appropriately switched. That is, when the operation lever 70 is at the position "up", when it is at the "fixed", when it is at the "down", and when it is at the "auto".

The planting cam 72A is wider than the roller 73A, and a guide plate 80A is provided at an appropriate position. The roller 73A is held by a pair of springs 81A, 81A so as to be movable left and right. The roller 73A follows a different path on the cam surface between when and 70 are operated. That is, when operating the operation lever 70, the roller 73A passes in the order of →→→→ on the cam surface, but when operating the operation lever 70, the roller 73A passes in the order of → ′ →→→ on the cam surface. It passes. The roller 73A is located on the cam surface.
When the roller 73A is on the cam surface, the planting clutch is engaged.

The same applies to the relationship between the fertilizing cam 72B and the roller 73B. When the operating lever 70 is manually operated, the roller 73B passes through the cam surface, but when the operating lever 70 is manually operated, the roller 73B is driven by the cam. ´
Via. When the roller 73B is on the cam surface, the fertilizer application clutch is disengaged and the blower 36 is inactive. When the roller 73B is on the cam surface, the fertilizer application clutch is engaged and the blower 36 is turned on. Operate. 80B in the figure is a guide plate, and 81B is a spring.

Tables 1 and 2 summarize the relationship between the lever position and the planting clutch, fertilizing clutch, and hydraulic valve described above. That is, by tilting the operation lever 70, which is an operating tool, forward in a stepwise manner, the planting unit 4 is lowered from the raised position to the lowered position, and the fertilizer 5 and the planting unit 4 are sequentially operated. At this time, the fertilizer application device 5
Start the operation before the planting section 4, so that the fertilizer fed from the feeders 31,... Moves to the vicinity of the fertilizer hoppers 32,. The fertilizer is applied to the hopper 3 with the operation of the attachment 4
It is supplied to the field from the fertilizer ports of 2,. Also,
When the operating lever 70 is raised, the planting section 4 is raised, and the fertilizer 5 and the planting section 4 are sequentially stopped. Also in this case, since the fertilizer device 5 stops before the planting section 4, the fertilizer application hopper 3 almost at the same time as the planting section 4 stops.
The supply of fertilizer from 2, ... stops.

FIG. 11 shows a structure different from the above-mentioned operation lever mounting portion. In this operation lever mounting portion, a hydraulic cam 90, a planting operation rod 91 and a fertilization operation rod 92 are mounted on a mounting shaft 71 of an operation lever 70. ing. Hydraulic cam 90
In the same manner as the planting cam 72C of the previous embodiment, the positioning recesses (1) to (3) are formed, and one end of a valve operation wire 78 for operating the hydraulic valve 28 is attached to an appropriate position. A hydraulic roller 95 that engages with the positioning recesses is mounted on a hydraulic arm 94 that is rotatably provided to face the hydraulic cam 90. The hydraulic arm 94 is urged toward the cam by a spring 96.

At the lower end of the planting operation rod 91, a support pin 100 is provided horizontally, and the support pin is loosely fitted in the long hole 102 of the planting operation plate 101. The planting operation plate 101 is supported by a support pin 104 that fits loosely into a slot 103 different from the support pin 100 and the slot 102.
It can be moved back and forth by the length of 103. The planting operation plate 101 is long in the front-back direction, and its lower surface 105 has a front portion 105.
a is low and the rear part 105b is stepped high. Below the planting operation plate 101, there is provided a planting arm 108 which is rotatable up and down about a central axis 106 and is urged upward by a spring 107. The planting operation plate is attached to the planting arm 108. Planting roller 10 in contact with lower surface 105 of base 101
9 and a planting clutch wire 63 a for operating the planting clutch pin 63. When the hydraulic roller 95 is engaged with the positioning concave portion of the hydraulic cam 90, the planting roller 109 contacts the rear lower surface 105 b of the planting arm 108, and the hydraulic roller 95 engages with the positioning concave portion of the hydraulic cam 90. In this case, the planting roller 109 is in contact with the front lower surface 105a of the planting arm 108.

At the lower end of the fertilizing operation rod 92, a stop pin 11 is provided.
The fertilizer application plate 111 is supported so as to be able to move back and forth by the length of the elongated hole 113 by the stopper pin and the support pin 114 which is loosely fitted in the elongated hole 113. This fertilization operation plate 101 is also the lower surface 1 like the planting operation plate 101.
The front part 115 has a stepped front part 115a and a rear part 115b. Reference numeral 118 denotes a fertilization arm, which is rotatably provided up and down about a central axis 106 common to the planting arm 108 and is urged upward by a spring 117. The fertilizer application arm 118 is provided with a fertilizer application roller 119 that contacts the lower surface 115 of the fertilizer application operation plate 111 and an operation member 59 that operates the fertilizer application clutch pin 58. Hydraulic cam 9
When the hydraulic roller 95 is engaged with the positioning recesses 0 to 0, the hydraulic roller 119 is engaged with the rear lower surface 115b of the fertilizing arm 118, and the positioning recesses and
When the hydraulic roller 95 is engaged with the hydraulic roller 119, the hydraulic roller 119 is engaged with the front lower surface 115b of the hydraulic arm 118.

Depending on the lever position, the hydraulic valve 2
8 is switched, and the planting clutch 40A and the fertilizing clutch 40B are turned on / off. Also in the case of this embodiment, the relationship between the lever position and the planting clutch, fertilizing clutch and hydraulic valve is summarized in Tables 1 and 2, and when the planting section 4 is lowered, the fertilizing clutch 40B
Is turned on earlier than the planting clutch 40A, and when raising the top cover 4, the fertilizing clutch 40
B is disengaged earlier than the planting clutch 40A.

As described above, when the rice transplanter with the fertilizer is turned at the end of the field and the work of the next step is started, the planting unit 4 is lowered, and then the fertilizer 5 and the planting unit 4 are moved. One operation lever 70 is used to turn on the power transmission.
Can be operated with. In addition, the operation lever 70 is connected to the cockpit 9
Is provided on the side portion of the vehicle, so that the operator sitting in the cockpit 9 can easily turn around the fuselage and perform the operation, and when performing the operation, the feeder 3 that feeds out the fertilizer.
1 is provided on the rear part of the traveling vehicle 2 in the vicinity of the rear side of the fuselage with respect to the cockpit 9, and the planting portion 4 is located on the rear side of the fuselage with respect to the feeder 31, and a link device is provided in the rear part of the power vehicle 2. 3
, So that the state where the planting part 4 is lowered and the state where the transmission to the fertilizer device 5 and the planting part 4 are turned on can be easily and directly confirmed. 9
Even though the fertilizer device 5 and the planting section 4 are provided on the rear side, erroneous operation and forgetting of operation are less likely to occur, and therefore, the work can be properly advanced.

[Brief description of the drawings]

FIG. 1 is a side view of a fertilizer rice transplanter.

FIG. 2 is a side cross-sectional view of a planting and fertilizing clutch case developed and shown.

FIG. 3 is a rear view of the planting / fertilizing clutch case shown in FIG. 2;

FIG. 4 is a rear view of an operation lever mounting portion.

FIG. 5 is a view taken in the direction of arrows AA in FIG. 4;

FIG. 6 is a view taken in the direction of arrows BB in FIG. 4;

FIG. 7 is a view taken in the direction of arrow C in FIG. 4;

FIG. 8 is a view as seen in the direction of arrows DD in FIG. 4;

FIG. 9 is a view as seen from an arrow E in FIG. 4;

FIG. 10 is a perspective view showing an operation lever mounting portion having a different configuration.

FIG. 11 is a side sectional view of a main part of the fertilizer application device.

[Explanation of symbols]

 1: Fertilizer rice transplanter 2: Powered vehicle 3: Link device 4: Planting unit 9: Piloting device 17: Hydraulic cylinder (hydraulic actuator) 28: Hydraulic valve 31: Feeding device 33: Fertilizing hose 40: Planting -Fertilizing clutch case 40A: Planting clutch 40B: Fertilizing clutch 70: Operating lever (operating tool)

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Rihiki Seike, 1-Yakura, Hachikura, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. Within the Technical Department (72) Inventor Takashi Suzuki 1 Toya-cho, Tobe-cho, Iyo-gun, Ehime Prefecture Iseki Agricultural Machinery Co., Ltd.

Claims (1)

[Claims] 1. A rice transplanter equipped with a fertilizer applicator 5 and a planting section 4 mounted behind a cockpit 9 of the motor vehicle 2 with a feeder 31 for feeding out fertilizer as viewed from the side of the cockpit 9 of the cockpit.
Is provided on the rear of the traveling vehicle 2 in the vicinity of the rear of the vehicle, and the planting portion 4 is positioned on the rear of the vehicle with respect to the feeder 31 to move up and down via the link device 3 to the rear of the powered vehicle 2. A single operating lever 70 is provided on the side of the cockpit 9 for enabling and disengaging the transmission to and from the feeder 31 and the planting section 4 and for raising and lowering the planting section 4. Rice transplanter with fertilizer application device.