JP2777079B2 - Riding rice transplanter with fertilizer application - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding type rice transplanter equipped with a fertilizer application device. 2. Description of the Related Art As a conventional example of this type, as shown in Japanese Patent Application Laid-Open No. 57-198014, a fertilizer application section is arranged in a rice transplanting apparatus, and a fertilizer tank is provided at the rear of a riding type traveling vehicle body. There has been a riding type rice transplanter equipped with a fertilizer application device in which a fertilizer delivery device is arranged and the fertilizer is transferred from the fertilizer delivery device to the fertilizer section by a transfer hose. However, in the above conventional example, since the transfer hose is provided so as to overlap with the rear wheel of the riding type traveling vehicle body when viewed from the side of the fuselage, the transfer hose located near the left and right of the rear wheel in plan view of the fuselage is a rice transplanting device. When the vehicle rolls, it may come into contact with the rear wheel. [0003] In order to solve the above-mentioned problems, the present invention provides a riding-type traveling vehicle body 1 having a front wheel 6 and a rear wheel 5.
A fertilizer tank 13, a fertilizer delivery device 14 that sends out a predetermined amount of fertilizer from the fertilizer tank 13, and a fertilizer that is sent out by the fertilizer delivery device 14 are supplied to a riding type rice transplanter having a rice transplanter 40 that is rotatably mounted on the rear part of the fertilizer tank 13. In a riding type rice transplanter equipped with a fertilizer device equipped with a fertilizer device comprising a transfer hose 76 for transferring and a fertilizer unit 80 for applying fertilizer transferred by the transfer hose 76 to a field, the fertilizer unit 80 is arranged on the rice transplant device 40. And a fertilizer tank 1
3 and the fertilizer delivery device 14, and the front end of the transfer hose 76 into which the fertilizer sent from the fertilizer delivery device 14 is fed is positioned above the upper end position of the rear wheel 5 in a side view of the machine body. And a transfer hose 76 located near the left and right sides of the rear wheel 5 in a plane view of the aircraft, and located above an outer periphery of the rear wheel 5 in a side view of the aircraft. It is a riding type rice transplanter with a tag. The present invention relates to a fertilizer delivery device 14
The front end of the transfer hose 76 into which the fertilizer sent out from is fed is located above the upper end position of the rear wheel 5 in a side view of the machine, and the transfer hose 76 is extended rearward from here, and the plane of the machine is viewed in plan. Since the transfer hoses 76 located near the left and right of the rear wheel 5 are located above the outer periphery of the rear wheel 5 in a side view of the fuselage, the transfer hoses 76 located near the left and right of the rear wheel 5 in a plan view of the fuselage are The front-rear balance in which the fertilizer application unit 80 is disposed on the rice transplanting device 40 and the fertilizer tank 13 and the fertilizer delivery device 14 are disposed on the rear portion of the riding type vehicle body 1 because the device 40 is less likely to contact the rear wheel 5 even when rolling. A compact rice-transplanter with a good fertilizer can be constructed. FIG. 1 is a side view showing an embodiment of a riding type rice transplanter with a fertilizer application according to the present invention, and FIG. 2 is a plan view thereof. An engine 3 is installed at the front of the transmission case 2, and a chain case 4 that projects rearward is provided on both left and right sides of the transmission case 2. A rear wheel 5 is pivotally supported at the rear end of the chain case 4, and a front wheel 6 is provided at the front of the vehicle body so as to be changeable. A hood 7 covering the engine 3 is provided on the vehicle body.
And a vehicle body cover 9 having a step portion provided on an outer peripheral portion of the vehicle body, a rising portion 9a rising upward is provided at a rear portion of the vehicle body cover 9, and a driver's seat 10 is disposed above the rising portion 9a.
It is supported above the rear wheel 5 by a U-shaped seat frame 11 in plan view. At the side of the driver's seat 10 and between the seat and a rice transplanting device 40 described later, a fertilizer delivery device 14 is provided together with the fertilizer tank 13 to constitute a main body of the fertilizer application device. The fertilizer delivery device 14 is provided with delivery rolls 15, 15 having grooves 15 a formed on the outer peripheral surface, and is configured to feed an appropriate amount of granular fertilizer in the fertilizer tank 13 into the hopper 16 by rotation of the delivery roll 15. ing. The fertilizer delivery device 14 is attached to the vehicle body by a support frame (not shown).
14 are connected to each other by one rotating shaft 17 passing through the rear of the seat. A parallel link device 25 is provided at the rear of the vehicle body. As shown in FIG. 3, the parallel link device 25 includes front and rear vertical members 26, 27, one upper link 29, and a pair of left and right lower links 30, 30, and the respective members are connected to each other by pins. I have. A downward projection 31 is provided on the upper link 29, and this projection 31 is
The second hydraulic cylinder 33 is connected to the transmission case 2. The lower end of the front vertical member 26 is pivotally connected to a connection pipe 35 that connects the left and right chain cases 4 and 4. A four-row rice planting device 40 is connected to the rear end of the parallel link device 25 via a rolling shaft 37. By expanding and contracting the hydraulic cylinder 33 of the lifting device 32, the rice transplanting device 40 can be moved up and down. Further, the rice transplanting device 40 can freely rotate left and right by rotation of the rolling shaft. The rice transplanting device 40 includes a transmission case 41 also serving as a rice transplanter frame, and a seedling mounting table 42 is mounted above the transmission case 41 so as to be reciprocally movable right and left with the front side inclined upward. Have been. Reference numeral 43 denotes a guide rail supported by columns 43a, and the seedling mounting table 42 moves left and right along the guide rail 43. At the rear part of the transmission case 41, a seedling-planting rod 45 having a tip attached with a seedling-planting claw 44, and a rocking mechanism for driving the planting rod 45 so that the tip rocks up and down in an elliptical orbit. Moving crank 46
Is provided. Below the transmission case 41, a center float 50 and a pair of left and right side floats 51, 51 are provided so as to be rotatable in the vertical direction, respectively. Reference numeral 52 denotes a detection hydraulic valve for detecting the vertical position of the central float 50.
Moves upward, and pushes up the spool of the hydraulic valve 52, the piston rod 33a of the hydraulic cylinder 33 projects, and conversely, when the central float 50 rotates downward,
The piston rod 33a is configured to retract. The power of the rice transplanting device 40 is transmitted from the transmission case 2 to the transmission device in the transmission case 41 via the universal joint, and drives the lateral moving device 54 of the seedling mounting table 42 and the planting device 47. The seedling mounting table 42 has four planting rods 45.
Are divided into four wards. During the operation, a seedling mat in the form of a soiled plate is placed in each section, and
With the lateral movement of the seedling, the planting rod 45
We receive seedlings for each plant and plant them in the field. When the seedling mounting table 42 reaches the end of the left and right movement range, the seedling mat is sent downward by the vertical feed device, and planting is continued. In addition, on both sides of the front part of the vehicle body, spare seedling mounting stands 58 whose lower ends are supported by columns 57 fixed to the vehicle body are provided. Here, a fertilizer transfer section for guiding and transferring the fertilizer sent from the fertilizer tank 13 by the fertilizer sending device 14 by a predetermined amount will be described. A blower 60 is mounted on the side of the front of the vehicle body at the engine installation position. In the illustrated example, a turbo fan is used as the blower 60, and the pulley 6 is connected to the output shaft 3 a of the engine 3.
The air is supplied through the air hose 64 by rotating by the power taken out through the belts 63 and 62. A tension pulley 65 is provided between the pulleys 61 and 62, and is normally pressed against the belt 63 by a spring 66 to apply tension to the belt 63. However, the tension pulley 65 is lifted against the spring 66. If belt 63
Is loosened and transmission of power to the blower 60 is cut off. The air hose 64 passes under the step member 9 and is connected to an air tank 70 installed in the seat frame 11. The seat frame 11 functions as an enclosure for protecting the air tank 70. The four discharge ports 71, 71... Of the air tank 70 are respectively provided directly below the hopper 16 of the fertilizer delivery device 14 by air hoses 72, 72. It is connected to the device 75. The feeding device 75 is for guiding the fertilizer sent out by the fertilizer sending device 14 into the transfer hoses 76, 76, and includes a receiver 77 facing the outlet of the hopper 16 and a connection pipe 79.
An air hose 72 and a transfer hose 76 are respectively connected to both ends of the connection pipe 79, and a receiver 77 is connected to the outer periphery. Next, the fertilizer applying fertilizer to the field will be described. The lower end of the transfer hose 76 is connected to a discharge port 81 fixed inside a groove generator 80 as a fertilizer for a field. The groove generator 80 includes two side plates 80a, 80.
b and a bottom plate 80c, which is mounted on the transmission case 41 so as to be vertically adjustable by a support plate 82 which is integrally erected at the front. The groove generator 80 is supported so that the bottom thereof is lower than the bottom surface of the float 50 (51), and forms a fertilizer groove in a field as the rice transplanting machine advances. Further, a power transmission device 90 for transmitting power to the fertilizer delivery device 14 will be described. A transmission shaft 91 is provided at a rear portion of the transmission case 2 and an end portion protruding rearward from a bearing 92 is provided. Is connected to an input shaft 94 of the rice transplanting device via a universal joint 93. The rotating power transmitted from the transmission shaft 91 to the input shaft 94 is transmitted to the bevel gear device 9.
5, transmitted to the transmission in the transmission case 41 via the pulleys 96 and 97 and the belt 98 to drive the rice transplanting apparatus 40. On the other hand, a chain wheel 100 is attached to an intermediate portion of the transmission shaft 91 between the transmission case 2 and the bearing 92. A driven shaft 101 is provided above the transmission shaft 91 in parallel with the transmission shaft 91, and a chain wheel 102 provided at a front end portion of the driven shaft located in the seat frame 11 is connected to the transmission shaft 101. It is connected to a chain wheel 100 of 91 by a chain 103. The rear end of the driven shaft 101 is connected to a bevel gear device 105. This bevel gear device 105 transmits rotational power to the fertilizer delivery device input shaft 109 via bevel gears 106 and 107, and internally has a clutch 110
Is provided. The clutch 110 urges the bevel gear 107 slidably provided on the input shaft 109 side in the direction of meshing with the other bevel gear 106 by a spring 111. When retracted, the two bevel gears 106 and 107 are disengaged from each other, and the transmission of power to the input shaft 109 is cut off. FIG. 4 is an explanatory view of a gear box 115 for driving the fertilizer delivery device. A chain wheel 116 provided at an end of the input shaft 109 is composed of a chain wheel 119 of the first intermediate shaft 117 and a chain 120. Tied, the small gear 1 of the first intermediate shaft 117
21 is a large gear 123 of the second intermediate shaft 122,
The small gear 124 of the intermediate shaft 122 is engaged with the large gear 125 of the rotation shaft 17 for the delivery roll 15. The power transmitted to the input shaft 109 via the bevel gear device 105 is:
It is transmitted to the rotating shaft 17 via the gear train in the gear box 115 and rotates the delivery roll 15. In the illustrated example, two delivery rolls 15,
Although 15 ′ is provided, the rotation shaft 126 of the other delivery roll 15 ′ is rotated through meshing of the gears 127 and 129. In addition, rotational power is transmitted by the rotating shaft 17 to the fertilizer delivery device 14 provided on the opposite side of the vehicle body. When the riding type rice transplanter with the fertilizer is used, fertilizer is put into the fertilizer tank 13 and the engine 3 is started to drive the rear wheel 5, which is a driving wheel, the fertilizer sending device 14, and the blower 6.
0, drive the rice transplanting device 40 and the like. The fertilizer in the fertilizer tank 13 is sent out into the hopper 16 by an appropriate amount by the feed roll 15, and is supplied into the transfer hose 76 by the feeding device 75. On the other hand, the transfer hose 76 has an air tank 70.
Since the air is supplied from the fertilizer, the fertilizer sent into the transfer hose 76 is carried downward by gravity and wind power, and is surely dropped into the groove formed in the field by the groove generator 80. . Groove after fertilization, float 50,
The seedlings are buried with the seedlings 51 and seedlings are planted in the vicinity thereof by the planting rods 45. In this riding type rice transplanter with a fertilizer application device, rotational power is taken out from a transmission shaft 91 for transmitting power to the rice transplanter 40 and drives the fertilizer delivery device 14, so that a special drive shaft for driving the fertilizer delivery device and the like are used. Need not be provided, and the structure becomes simple. The transmission shaft 91 is disposed in a seat frame 11 for supporting a seat.
Since the power is taken out from the transmission shaft 91 in the inside 1, it is compact in appearance and is safe without providing a protective cover such as a chain case. Further, if the clutch for stopping the rice transplanting device 40 is disengaged, the rotation of the transmission shaft 91 is stopped, and the fertilizer delivery device 14 can be simultaneously stopped, which is convenient. In particular, the front end of the transfer hose 76 into which the fertilizer sent out from the fertilizer delivery device 14 is fed is located above the upper end position of the rear wheel 5 in a side view of the machine, and the transfer hose 76 is moved rearward from the body. And extend to
Transfer hose 7 located near the left and right of rear wheel 5 in plane view of the fuselage
6 is located above the outer periphery of the rear wheel 5 when viewed from the side of the fuselage. Therefore, the transfer hose 76 located near the left and right of the rear wheel 5 when viewed from above the plane of the fuselage can be moved even if the rice transplanter 40 moves. The fertilizer application section 80 is disposed on the rice transplanter 40, and the fertilizer tank 13 and the fertilizer delivery device 14 are disposed at the rear of the riding type vehicle body 1. Can be configured. It is apparent that the above fertilizer can be used as a chemical sprayer or the like.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an overall side view of a riding type rice transplanter with a fertilizer application device. FIG. 2 is an overall plan view of a riding type rice transplanter with a fertilizer application device. FIG. 3 is an explanatory diagram of a parallel link device. Explanation of gear box [Description of symbols] 1: Ride-type traveling vehicle body 5: Rear wheel 6: Front wheel 13: Fertilizer tank 14: Fertilizer delivery device 40: Rice planting device 76: Transfer hose 80: Fertilizer application section (grooving device)

   ────────────────────────────────────────────────── ─── Continuation of front page        Panel     Referee Masahide Sakai     Referee Yutaka Kihara     Referee Hisao Tanaka                (56) References JP-A-58-56609 (JP, A)                 JP-A-57-198014 (JP, A)                 Real opening 58-59410 (JP, U)                 Japanese Utility Model Showa 58-45614 (JP, U)                 58-38220 (JP, U)                 Shokai Sho 56-173012 (JP, U)

Claims (1)

(57) [Claims] At the rear of the riding traveling vehicle body 1 having the front wheels 6 and the rear wheels 5
A fertilizer tank 13 and a fertilizer delivery device 14 and a fertilizer delivery device 1 that deliver a predetermined amount of fertilizer from the fertilizer tank 13 to a riding type rice transplanter equipped with a rice transplanter 40 in a rolling manner.
Transfer hose 76 for transferring the fertilizer sent out by 4
Said transfer at fertilizing device with riding rice transplanter wearing the fertilizer apparatus consisting facilities <br/> be fertilized unit 80. The fertilizer that has been transferred to the field by the hose 76, the fertilization portion 80 disposed planting device 40 The fertilizer tank 13 and the fertilizer delivery device 14 are arranged at the rear of the riding type traveling vehicle body 1 and the fertilizer delivery device 14
The front end of the transfer hose 76 into which the fertilizer
It is located above the upper end position of the rear wheel 5 in side view.
The transfer hose 76 extends rearward from the aircraft.
The transfer hose 76 located near the left and right of the rear wheel 5 in plan view
A riding type rice transplanter with a fertilizer device, wherein the riding type rice transplanter is located above the outer periphery of the rear wheel 5 in a side view of the machine body .