JP3396956B2 - Fertilizer application equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided in a transplanter or the like, and performs fertilizer application using powder and granular fertilizer by using wind power at the same time as seedling transplantation. And a fertilizer application device. 2. Description of the Related Art Conventionally, a fertilizer tank attached to a rice transplanter and containing powdered and granular fertilizer, a feeding roll for feeding a predetermined amount of fertilizer while rotating at a lower position of the fertilizer tank, and a feeding roll Fertilizer is provided with a fertilizer pipe that moves the fertilizer drawn out from the air chamber to the field by moving the fertilizer with the pressurized air from the air chamber, for example, JP-A-59-20342.
No. 0 and other proposals by the present applicant are well known. [0003] A funnel-shaped hopper (guide tube) is provided below the fertilizer tank and the feeding roll, and the fertilizer fed from the feeding roll is dropped through the hopper, and the fertilizer is dropped from the air chamber. The fertilizer is moved inside the fertilizer pipe by the pressure wind of the above and is led out to the field for fertilization. [0004] In the fertilizer applicator, if fertilizer remains in the fertilizer tank or the feeding section after the end of the operation, the fertilizer is hygroscopic and solidifies to cause the next fertilization operation. There was a problem that the fertilizer sometimes became clogged. In addition, the operation of extracting the fertilizer after the end of the operation is troublesome, and furthermore, even if a fertilizer extraction device is provided, it did not function sufficiently. Therefore, an object of the present invention is to solve each of the above problems. [0005] In order to achieve the above object, the present invention provides a fertilizer tank 9 for storing powdered and granular fertilizer.
If, feed roll 10a for feeding toward a predetermined amount each passage 10b fertilizer while rotating at a lower position of the fertilizer tank 9
And a brush 10d in contact with the outer periphery of the feeding roll 10a
A feeding unit 10 composed of, in fertilization device and a fertilizer tube 11 to derive the field is moved by the pressure wind fertilizer fed out from the feeding unit 10 from the air chamber 12, fertilizer feeding position of the feeding portion 10 Facing
One end is communicated with the air chamber 12 at a predetermined interval from the fertilizer feeding position of the feeding section 10 , and the other end is connected to the fertilizer application pipe 1.
1 is formed, and a passage 10b is formed in the passage 10b .
An opening and closing unit for extracting fertilizer from the fertilizer tank 9 with the brush 10d removed is provided. With the above arrangement, the fertilizer applicator of the present invention faces the fertilizer feeding position of the feeding section 10 and has one end at the feeding section 1.
From manure extended position 0 with a predetermined gap communicates with the air chamber 12, forms a passage 10b that communicates the other end to the fertilization tube 11, preparative brush 10d to the passage 10b
By providing an opening and closing part for extracting fertilizer from the fertilizer tank 9 in a state where it has been removed, when the opening and closing part is opened after the work is completed, the fertilizer remaining in the fertilizer tank and the feeding part can be easily removed.
And it is reliably extracted. An embodiment of the present invention will be specifically described below with reference to the accompanying drawings. 2 to 4, the riding type rice transplanter 1 is equipped with a front wheel 3 and a rear wheel 4, and drives a front wheel, a rear wheel 3, and drives a four-wheel drive type riding body 2 at a rear portion thereof. A seedling planting section 7 is mounted so as to be able to move up and down via a lifting link 6 operated by a hydraulic cylinder 5. A fertilizing device 8 is disposed at a rear portion of the passenger car body 2 between the passenger car body 2 and the seedling planting section 7. The fertilizer applicator 8 is provided with an air chamber 12 for feeding the fertilizer fed from the lower feed section 10 on the lower side of the fertilizer tank 9 toward the fertilizer application pipe 11.
The exhaust side of the blower 13 which is driven by the motor M and has the intake pipe 13a facing a heat radiation portion of the engine 15 described later is connected. Then, power is transmitted from the passenger car body 2 to the seedling planting unit 7 and the fertilizer application device 8, and the seedling planting unit 7 seeds a multi-row (five-row) seedlings at a predetermined interval in a field. The fertilizer fed out by the fertilizer 8 is applied to the fertilizing groove opened by the groove opener 25 from the end of the fertilizing tube 11 to the approaching side position. An engine 15 is mounted below the driver's seat 14 of the passenger body 2, and a steering handle 16 and a handle post 1 are provided at the front of the driver's seat 14 at the front of the vehicle body.
A transmission 18 is provided below 7. A hydraulic continuously variable transmission (HST) 26 is provided between the engine 15 and the transmission 18, and is continuously variable by an auxiliary transmission lever 27. Positioned on the left and right sides of the handle post 17,
A spare seedling mounting table 19 of a step is provided so as to be rotatable left and right, and a center marker 20 is provided at the front end of the passenger car body 2 at a center position.
However, side markers 21 are provided on both left and right sides, respectively. The power shifted in the transmission 18 drives the front wheels 3 and is transmitted to the rear wheels 4 and is transmitted to the seedling planting section 7 and the fertilizer application device 8. The above-mentioned spare seedling mounting table 19 is supported via a support arm 24 on a column 23 raised from the front axle case 22 of the left and right front wheels 3. The support arm 24 is capable of rotating the spare seedling mounting table 19 from the position shown in the drawing to the side position of the driver's seat 14, and a foot pedal is provided as a means for fixing the support arm at each rotation position. The seedling planting section 7 includes a center float 28 also serving as a sensor float and side floats 29 disposed behind the front and rear wheels 3 and 4, as in the conventional one.
29, a seedling mounting table 30, a seedling receiving plate 31, a rotary seedling plant 32, 32,... The rotary seedling plant 32 is attached to a rotary transmission case and rotates with a predetermined trajectory, and transfers the seedlings on the seedling mounting table 30 to the seedling receiving plate 3.
The plants are taken out one by one from the seedling take-out opening 33 formed in the plant 1 and planted in a field. At the upper end of the seedling mounting table 30, an auxiliary seedling mounting table 34 is provided so as to be able to be taken in and out. Steps 35 and 35 are provided so that the worker can move from the front end to the rear end on both the left and right sides of the passenger car body 2, and the worker gets on and off the steps 35 and 35 on the side of the steps 35 and 35. At this time, foot rest steps 36, 36 are provided for hanging the feet. The fertilizer applicator 8 is provided with a feeding section 10 below the fertilizer tank 9 as in the first embodiment shown in FIG.
A passage 10b is formed at one end of the feed section 10 facing the fertilizer feed position of the feed roll 10a, with an air chamber 12 at one end and a fertilizer application pipe 11 at the other end. Therefore, the configuration corresponding to the conventional funnel-shaped hopper (guide cylinder) is omitted. Passage 1 above
0b is inclined so that the side of the air chamber 12 is high and the side of the fertilizer tube 11 is low, so that the fertilizer fed from the feed roll 10a is sent out to the fertilizer tube 11 by the pressurized air from the air chamber 12. . The shape and function of the passage 10b are configured to be changeable, as will be described in other embodiments described later. The feeding roll 10a rotates in the direction of the arrow in FIG. 1, and the fertilizer accommodated in the feeding (accommodating) groove 10c provided on the outer periphery is moved by a brush 10d provided in contact with the outer periphery of the feeding roll 10a. The air is blown out from the air chamber 12 and the fertilizer that has fallen from the feed groove 10c is blown off, and the pressure air from the air chamber 12 hits the inner surface of the feed groove 10c without leaving the fertilizer. The discharge roll 10
a also dries itself. In addition, the feeding roll 10
The pressure wind from the air chamber 12 hits the payout roll 10a along the rotation direction of a.
The discharge of the fertilizer in the feeding groove 10c is performed better, the clogging of the fertilizer is reduced, and the rotation resistance of the feeding roll 10a is reduced. The brush 10d is detachable with a bolt 10e, and is slidable with respect to the outer peripheral surface of the feeding roll 10a. An opening / closing plate 10f is provided on the lower surface of the passage 10b, and can be moved by an opening / closing mechanism 10g between a closed position shown by a solid line in FIG. 1 and an open position shown by an imaginary line. There is no change in the passage of the pressurized air from the chamber 12, and when it is in the open position, the passage 10b is narrowed so that the pressurized air from the air chamber 12 hits the delivery roll 10a and passes through it. In the riding type rice transplanter 1 having such a configuration, the riding type rice transplanter 1 is introduced into the paddy field,
The seedling planting section 7 is lowered by the lifting link 6, and the seedling planting section 7 is slid in a state where the floats 28, 29, 29 are in contact with the rice field surface, and the fertilization work is performed simultaneously with the rice planting. Passenger car body 2
The power is transmitted to the seedling planting section 7 and the fertilizer application device 8 from the drive, and the seedling planting section 7 drives the rotary seedling planting bodies 32 and 3.
According to 2,..., Five rows of seedlings are planted on the paddy field at predetermined intervals on the traces leveled by the floats 28, 29, and 29.
At the side position close to the planted seedlings, fertilizer fed from the feeding section 10 of the fertilizer applicator 8 and dropped into the passage 10b is supplied with air from the blower 13 which sucks high-temperature, dry engine exhaust heat from the intake pipe 13a. The fertilizer is sent out toward the fertilization tube 11 by the pressure air sent to the chamber 12, and is fertilized in the fertilization groove opened by the groove opener 25. At this time, in the feeding section 10 of the fertilizer applicator 8, the high-temperature and dry pressurized air from the air chamber 12 above the slope of the passage 10b is fed out from the feeding groove 10c of the feeding roll 10a by a substantially constant amount. The falling fertilizer is pressure-fed to the fertilizer application pipe 11 on the inclined downstream side so as to be blown off. At the same time, the pressurized air is supplied to the delivery roll
The fertilizer is discharged without remaining on the delivery groove 10c of a, and the delivery roll 10a itself is dried. Also,
The pressurized air from the air chamber 12 hits the feed roll 10a along the rotation direction of the feed roll 10a, so that the fertilizer in the feed groove 10c can be discharged better and the clogging of the fertilizer can be reduced.
a becomes smaller. Further, the opening / closing plate 10f is opened / closed by the opening / closing mechanism 10g as needed to adjust the flow and pressure of the compressed air. The second embodiment of the present invention shown in FIG.
A seesaw-shaped opening / closing plate 10h is provided on the bottom surface of the passage 10b (the brush 10d is not shown). Other configurations are first
It is the same as that of the embodiment. In the second embodiment, with the brush 10d removed,
By opening h as shown by the solid line, the fertilizer can be smoothly extracted from the fertilizer tank 9. Therefore, after the fertilization operation is completed, the fertilizer can be easily extracted and the hygroscopicity of the fertilizer tank 9 can be avoided. The third embodiment of the present invention shown in FIG.
An opening and closing plate 10n similar to that of the second embodiment can be fixed to a closed position and a large and small open position by a ball clutch 10o at the bottom of a passage 10b. In the third embodiment, the opening / closing plate 10n is fixed at a desired position via a ball clutch 10o, and the fertilizer that falls from the feeding groove 10c of the feeding roll 10a in the expected state is sent to the fertilizer application pipe 11. it can. [0019] As has been described in the foregoing, according to the fertilizer apparatus of the present invention, facing the fertilizer extended position of the feeding portion 10, a predetermined space from the manure feeding position of the feeding portion 10 one end To the air chamber 12 and the other end to the fertilizer tube 11
A passage 10b that communicates is formed in, blanking this path 10b
Since the opening / closing section for extracting the fertilizer from the fertilizer tank 9 with the lash 10d removed is provided, the following effects can be obtained. By opening the opening / closing section after the work is completed,
The fertilizer remaining in the fertilizer tank or the feeding section can be easily and without leaving. Therefore, the work of extracting the fertilizer from the fertilizer tank and the feeding section can be performed almost automatically and reliably.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side sectional view of a first embodiment of a fertilizer applicator according to the present invention. FIG. 2 is a side view of the entire riding type rice transplanter to which the present invention is applied. FIG. 3 is a plan view of the same. FIG. 4 is a partial plan view of a passenger vehicle body. FIG. 5 is a side sectional view of a second embodiment of the fertilizer application according to the present invention. FIG. 6 is a side sectional view of a third embodiment of the fertilizer application according to the present invention. [Description of Signs] 1 Riding rice transplanter 2 Riding body 3 Front wheel 4 Rear wheel 5 Hydraulic cylinder 6 Elevating link 7 Seedling planting unit 8 Fertilizer application unit 9 Fertilizer hopper 10 Feeding unit 10a Feeding roll 10b Passage 10c Feeding (accommodating) groove 10d Brush 10e
Detachable bolt 10f Open / close plate 10g Open / close mechanism 1
0h Seesaw open / close plate 10n Open / close plate 10o
Ball clutch 11 Fertilizer application pipe 12 Air chamber 13 Blower 13a Intake pipe 14 Driver seat 15 Engine 16 Steering handle 17 Handle post 18 Transmission 19 Spare seedling rest 20 Center marker 21 Side marker 22 Front axle case 23 Prop 24 Support arm 25 Groove Reference Signs List 26 Hydraulic continuously variable transmission (HST) 27 Sub-transmission lever 28 Center float 29 Side float 30 Seedling stand 31 Seedling receiving plate 32 Rotary-type seedling plant 33 Seedling take-out port 34 Auxiliary seedling stand 35 Step 36 Foot step

──────────────────────────────────────────────────続 き Continuing from the front page (72) Takashi Suzuki, Inventor Takashi Suzuki, Engineering Department, Iseki Agricultural Machinery Co., Ltd. 1 Tobe-cho, Tobe-cho, Iyo-gun, Ehime (56) References JP-A-5-56712 (JP, A) -7411 (JP, A) JP-A-5-161410 (JP, A) JP-A-7-308111 (JP, A) JP-A-6-327323 (JP, A) (58) Fields investigated (Int. . ⁷ , DB name) A01C 15/00

Claims (1)

(57) [Claims] [Claim 1] Fertilizer tank for storing powdered and granular fertilizer
And (9), feeding to feed toward a predetermined amount each passage (10b) of the fertilizer while rotating at a lower position of the fertilizer tank (9)
Outside of the feeding roll (10a) and the feeding roll (10a)
Feeding part (10) consisting of brush (10d) in contact with the circumference
When, in the fertilizing device comprising a fertilizer tube and (11) for deriving a field is moved by the pressure air of the feeding portion fertilizer fed from (10) from the air chamber (12), said feeding unit (10) A passage (10b ) having one end communicating with the air chamber (12) at a predetermined interval from the fertilizer feeding position of the feeding part (10) and facing the other end to the fertilizer application pipe (11) facing the fertilizer feeding position. ) Is formed, and the brush (10d) is removed from the passage (10b).
A fertilizer applying means for extracting a fertilizer from a fertilizer tank (9) in a state .