JP2940069B2 - Fertilizer application equipment - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a fertilizer applying fertilizer in powder or granular form.

[Conventional technology]

Conventionally, as disclosed in Japanese Patent Application Laid-Open No. 60-94012, in a fertilizer applicator provided with a first storage section for storing fertilizer and a feeding section for feeding out fertilizer in the first storage section, an artificial There has been provided a fertilizer replenishing unit that replenishes the fertilizer in the second storage unit into the first storage unit based on the operation.

[Problems to be solved by the invention]

Since the above-mentioned conventional one is configured to replenish the fertilizer in the second storage part into the first storage part based on an artificial operation, if the supply operation is forgotten, the fertilizer is stored in the second storage part. There was a problem that the fertilizer was not paid out even though there was remaining.

The present invention has been made to solve the above problems.

[Means for solving the problem]

In order to achieve the above object, the present invention provides a fertilizer applicator including a first storage unit 24 that stores fertilizer, and a feeding unit 25 that feeds out fertilizer in the first storage unit 24, wherein the first storage unit When a decrease in fertilizer in the 24 is detected, a fertilizer replenishment unit that operates to replenish the fertilizer in the second storage unit 35 into the first storage unit 24 is provided, and a notification of running out of fertilizer in the second storage unit 35 is provided. A notification means is provided.

[Action and Effect of the Invention]

With the above-described configuration, the present invention automatically supplies fertilizer from the second storage portion 35 when the amount of fertilizer in the first storage portion 24 decreases, so that the replenishment operation as in the related art is not forgotten. If the fertilizer in the storage unit 35 runs out, it will be notified, so if the fertilizer is supplied to the second storage unit 35 when it reaches the ridge before the fertilizer in the first storage unit 24 runs out, There is no problem that the fertilizer is not fed out without the fertilizer in the first storage section 24 and the second storage section 35 away from the ridge, so that the fertilization work can be continuously performed for a long time. , Become efficient.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a riding traveling vehicle body. The riding traveling vehicle body 1 includes a pair of left and right front wheels 3 and a rear wheel 4 that are respectively driven and driven on a front portion and a rear portion of a body frame 2.
And an engine 5 is mounted at a substantially intermediate position in the front-rear direction of the body frame 2. The engine 5 is covered by a cover 6, and a driver's seat 7 is provided on the engine cover 6 so as to be slidable left and right. A steering handle 8 is provided on the front side of the driver's seat 7, and a support frame 9 erected at the rear end of the body frame 2 is provided with a lifting link 11, which rotates by the expansion and contraction of a hydraulic cylinder 10 and moves up and down at the rear end. An end is pivotally supported, and a plurality of (six in this embodiment) implanted portions 12 are connected to the rear end of the elevating link 11 so as to be rollable left and right. A fertilizer device 13 is provided between the transplant section 12 and the driver's seat 7.

A transmission 14 is located below the front of the body frame 2.
And receives power from the engine 5 to drive the front wheels 3 and transmit power to a rear wheel differential 15 provided at the front of the transmission 14, from the rear wheel differential 15 to the rear wheel transmission shaft 16. The power is transmitted to the rear wheel 4 via the power supply. Further, a transmission box 17 is provided below the rear portion of the body frame 2.
Is provided, receives power from the transmission 14 via the transmission shaft 18, transmits power to the transplant unit 12 via the transplant unit transmission shaft 12 a, and transmits power to the fertilizer device 13 via the fertilizer feeding link 19. Like that.

The transplanting section 12 has a main frame 20 on which seedlings for transplanting are placed on the upper side, and a seedling mounting table 21 that reciprocates right and left at a predetermined stroke is inclined, and a float 22 is mounted on the lower side. In addition to the seedling mounting body 23, the seedlings are taken out one by one from a seedling outlet (not shown) provided at the inclined lower end of the seedling mounting base 21 while being rotated at the rear in the traveling direction of the body, and planted in a field. Is provided. Although not shown, the float 22 is vertically swingably supported by a link mechanism with respect to the main body frame 22, and a hydraulic switching valve that is switched near the link mechanism by the vertical movement of the float 22 is provided. The hydraulic cylinder 10 is extended and retracted to move the transplant portion 12 through the lifting link 11.
To maintain the ground pressure of the float 22 almost constant,
The planting depth of the seedlings planted by the planting plant 23 seems to be substantially constant. Reference numeral 21a denotes a seedling mounting table 21.
Is a seedling guide provided at the upper end of the seedling.

The fertilizer application device 13 has the same number of fertilizer application lines (six lines) as the number of seedlings to be planted in the transplanting section 12. The upper part is provided with a fertilizer hopper 24 for accommodating powdered and granular fertilizer, and the lower part thereof is used for feeding out fertilizer. Driven by power via link 19, hopper 24
A feeding part 25 for feeding out the fertilizer in the lower part by a predetermined amount is provided, and a front and rear passage 26 where the fertilizer fed from the feeding part 25 falls is provided, and extends in the left and right direction on the front side of the front and rear passage 26 and also serves as a frame. An air chamber 27 is provided in communication with the air chamber 27, and a blower pipe 29 from a blower 28 is connected to the front of the air chamber 27.

A fixed hose 31 in which a front end of a connecting hose 30 made of a flexible synthetic resin hose is connected to a rear end of the front-rear passage 26, and a rear end of the connecting hose 30 is fixed to the transplant 12 side. Communicates with the upper end of the The fixed hose 31 has a lower portion fixed to a seedling support bar 32 that supports the upper portion of the seedling mount 21 of the transplanting section 12 from below, and the upper portion is suspended from the seedling mounting support rod 32 via a coil spring. The lower end is extended to the vicinity of the field scene on the side of the float 22. This fixed hose 31
A fertilizing nozzle 33 is connected to a lower end of the fertilizing nozzle 33, and a groove plate 34 is attached to a front side of the fertilizing nozzle 33. Where the connecting hose
The inner diameter D of 30 is smaller than the inner diameter d of the fixed hose 31 and has a relation of D <d. Further, when the connecting hose 30 moves up the implanted part 12 via the elevating link 11, the connecting hose 30 bends (curves) as shown by a virtual line in FIG.

On the other hand, fertilizer storage tanks 35 for storing powdered and granular fertilizer are provided on both front left and right sides of the body frame 2. A well-known spiral spring conveyor 36 is disposed between the fertilizer storage tank 35 and the upper position of the fertilizer hopper 24. The spiral spring conveyor 36 is driven by a motor (not shown), and a fertilizer out sensor 37 provided in the fertilizer hopper 24.
The motor is turned on / off by the fertilizer full tank sensor 38, and the fertilizer in the fertilizer storage tank 35 is automatically supplied to the fertilizer hopper 24.

In the transplanting machine provided with the fertilizer application device having such a configuration, when the work is performed, the passenger traveling vehicle body 1 travels and is introduced into a field (paddy field) where seedling transplantation and fertilization work is performed. And
The transplanting part 12 is lowered by the lifting link 11 so that the float 16 is grounded, and in this state, the passenger traversing vehicle body 1 is run, and at the same time, the transplanting part 12 and the fertilizer application device 13 are operated. Are performed simultaneously.

At this time, in the riding traveling vehicle body 1, since the front wheels 3 and the rear wheels 4 are driven to travel in a four-wheel drive state, the vehicle can travel in a muddy soil such as a paddy field with almost no slip. The body 1 has an engine 5 mounted almost at the center and a transmission 1 at the front.
4. The rear wheel differential 15, fertilizer storage tank 35, etc. are provided, and the fertilizer application device 13 is mounted slightly forward of the rear axle of the rear wheel 4 and the transplanting part 12 is mounted via the lifting link 11 behind it. ,
The aircraft has good balance and stable running and workability can be obtained.

In the transplanting part 12, the float 22 slides while touching the ground surface to level the field surface,
While the seedling-planting body 23 is rotating in a rotary manner, the seedlings are placed and the seedlings are taken out one by one from the inclined lower end position of the seedling mounting table 21 that reciprocates right and left and planted on the rice field. Further, since the transplanting portion 12 can be rolled to the left and right at the connecting portion with the lifting link 11, the transplanting portion 12 rolls independently of the passenger traveling vehicle body 1 in a state where the float 22 is in contact with the ground, and at the left and right side end sides of the planting portion long in the left and right There is no unevenness in seedling planting depth. The passenger traveling vehicle body 1 is pitched and the lifting link 11
When the transplanting part 12 moves up and down via this, the float 22 swings up and down with this up and down movement, switches the hydraulic switching valve, and causes the hydraulic cylinder 10 to expand and contract to raise and lower the link.
The transplanting part 12 is moved up and down via 11 and the planting depth of the seedling planted by the seedling plant 23 is kept substantially constant while the contact pressure of the float 22 is kept substantially constant.

In the fertilizer application device 13, the powder / granular fertilizer stored in the fertilizer hopper 24 is fed downward by a predetermined amount by the feeding unit 25 and falls toward the front-rear passage 26, and in the dropping process, the blower 28 and the blower pipe 29 -Is blown backward by the pressurized air from the air chamber 27, is brought to the fertilizing nozzle 33 through the connecting hose 30 and the fixed hose 31, and is fertilized in the fertilizing groove opened on the rice field by the groove plate 34. You. The fertilization position is between the shoots planted by the seedling plant 23 of the transplanting part 12 and near the seedlings.

In the state where the transplanting part 12 is raised by the elevating link 11 as shown by the imaginary line in FIG. 1, the transplanting part 12 and the fertilizer applicator 13 are not driven, but the connecting hose 30 is bent. Fertilizer is more likely to accumulate on the front side. However, the connecting hose 30 has an inner diameter D
Is smaller than the inner diameter d, the pressure of the wind passing through the connecting hose 30 after the start of the work becomes strong, and the accumulated fertilizer is sent backward to prevent clogging. In the fixed hose 31, the pressure of the wind passing through the connecting hose 30 is weaker than the pressure of the wind passing through the connecting hose 30, so that the pressure of the wind discharged from the fertilizing nozzle 33 is weakened and planted by the seedling plant 23. It does not adversely affect seedlings, soil cover, field scenes, etc.

When the fertilizer in the fertilizer hopper 24 decreases during the fertilizer application and reaches the position of the fertilizer out sensor 37, the motor of the spiral spring conveyor 36 is operated to remove the fertilizer in the fertilizer storage tank 35 and the fertilizer hopper 24.
When the supplied fertilizer reaches the position of the fertilizer full sensor 38, the motor of the spiral spring conveyor 36 stops and the supply of fertilizer is terminated. Therefore, the fertilizer replenishment operation can be performed while the seedling transplantation and fertilization operation is being performed, and a fertilizer out sensor is provided in the fertilizer storage tank 35 to notify that the fertilizer has run out.

Next, another embodiment of the present invention will be described with reference to FIGS.

In this embodiment, the riding traveling vehicle body 1 of the above embodiment is used.
In addition, a spare seedling mount for supplying seedlings to the transplanting section 12 and a fertilizer storage tank for supplying fertilizer to the fertilizer 13 are provided so as to be movable back and forth. That is, the traveling vehicle body 1
The reinforcement frames 39, 39 and 40, 40 are extended right and left from the approximate center position and the front position, respectively, and a support frame 41 is erected between the reinforcement frames 39, 40. The base 42 of the support rod 43 bent in an L-shape is fixed to the side of the rotary shaft 42 while supporting the shaft 42. At the upper part of the rotary shaft 42, a locking plate 44 having a fan shape and having an engaging groove on the outer periphery thereof is fixed, and a foot pedal 45 capable of engaging and disengaging with the locking plate 44 is provided on the vehicle body 1 side. Have been.

On the support rod 43, upper and lower three-stage preliminary seedling mounting tables 46
A fertilizer storage tank 47 is attached below the spare seedling mounting table 46. And a spare seedling mounting table
46 and the fertilizer storage tank 47 are normally
As shown by the solid line in the figure, the foot pedal 45 is locked so as to be located at the front of the passenger traveling vehicle body 1 and is used to supply seedlings to the transplanting section 12 or supply fertilizer to the fertilizer application device 13.
To release the engagement with the locking plate 44, rotate the spare seedling mounting table 46 and the fertilizer storage tank 47 to the imaginary line position, release the foot pedal 45 and engage with the locking plate 44 to fix it. They then replenish the seedlings or fertilizer.

When replenishing seedlings, the worker takes out the seedlings stored in the spare seedling mounting table 46, and places the seedlings 21 through the seedling guide 21a.
Replenish by sliding inside. When supplying the fertilizer, as shown in detail in FIG. 4, a spiral conveyor 49 driven by a motor 48 and extending in the left-right direction is provided above the fertilizer hopper 24. The fertilizer supply pipe 50 is communicated from the spiral spring conveyor 49 to each fertilizer hopper 24.A fertilizer full sensor 51 is provided in each fertilizer hopper 24, and the spiral spring conveyor 49 is provided. The fertilizer is transported and replenished while the tip of the fertilizer enters the fertilizer storage tank 47. The spiral spring conveyor 49
The turning directions of the helical springs are reversed from the position of the motor 48 on the left and right.

With this configuration, when transplanting and fertilizing work is performed while the passenger traveling vehicle body 1 is running, the number of seedlings on the seedling mounting table 21 is reduced, or the amount of fertilizer in the fertilizer hopper 24 is reduced. Occasionally, the traveling of the passenger traveling vehicle body 1 is stopped, the driving of the transplanting unit 12 and the fertilizer application device 13 is stopped, and the spare seedling mounting table 46 and the fertilizer storage tank 47 are rotated to the imaginary line position to supply seedlings or fertilizer. Supply.

The present invention is not limited to the rice transplanter of the above embodiment, but can be similarly applied to, for example, a transplanter for vegetable seedlings and a transplanter for germinated seeds.

[Brief description of the drawings]

FIG. 1 is a side view of an entire riding type rice transplanter provided with a fertilizer application according to an embodiment of the present invention, FIG. 2 is a side view of an entire riding type rice transplanter showing another embodiment of the present invention, and FIG. Is the same plan view,
FIG. 4 is a perspective view of the essential part. DESCRIPTION OF SYMBOLS 1 ... Riding body, 2 ... Body frame, 3 ... Front wheel, 4 ... Rear wheel, 5 ... Engine, 6 ... Engine cover, 7 ... Driver seat, 8 ... Steering handle, 9 ... ... Support frame, 10 ... Hydraulic cylinder, 11 ... Elevating link, 12
...... Transplantation part, 13 ... Fertilizer application device, 14 ... Transmission, 15 ... Rear wheel differential, 16 ... Rear wheel transmission shaft, 17 ... Transmission box, 18 ... Transmission shaft, 19 ... Fertilizer delivery Link for 20, ... body frame, 21 ... seedling mounting stand, 22 ... float, 23 ... seedling plant, 24 ... fertilizer hopper, 25 ... feeding part, 26 ... front and rear passage, 27 ... frame Air chamber that also serves as 28, blower, 29 blower tube, 30
Connection hose, 31 ... Fixed hose, 32 ... Seedling support rod, 33 ... Fertilizer nozzle, 34 ... Groove plate, 35, 47 ... Fertilizer storage tank, 36, 49 ... Spiral spring conveyor, 37 ... … Fertilizer out sensor, 38, 51 …… fertilizer full sensor, 39, 40 ……
Reinforcement frame, 41 ... Support frame, 42 ... Rotating shaft, 43
…… Supporting rod, 44 …… Locking plate, 45 …… Foot pedal, 46…
… Spare seedling mount, 48… motor, 50… fertilizer supply pipe.

──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Rihiki Seike, 1-Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture, Iseki Agricultural Machinery Co., Ltd. Technical Department Co., Ltd. (56) References Japanese Utility Model sho 59-161920 (JP, U) Japanese Utility Model sho 59-616 (JP, U) (58) Fields investigated (Int. Cl. ⁶ , DB name) A01C 15 / 00-15/18

Claims (1)

(57) [Claims] 1. A fertilizer applicator comprising: a first storage part for storing fertilizer; and a feeding part for feeding fertilizer in the first storage part, wherein the fertilizer in the first storage part is reduced. It is provided that a fertilizer replenishment unit that operates to replenish the fertilizer in the second storage unit 35 when detected is provided in the first storage unit 24, and that a notification unit that notifies the runout of fertilizer in the second storage unit 35 is provided. Characteristic fertilizer device.