KR102282594B1 - Direct sowing machine and direct seeding method using the direct sowing machine - Google Patents

Abstract

In a state in which the pest control agent can be effectively applied, it is possible to sow and supply the pest control agent to the entire surface.
A sowing device (4) that directly sows rice seeds with respect to a faucet, and a drug supply device (3) for supplying pest control drugs, while supplying the entire surface of the pest control drug by the drug supply device (3) A drug insertion means 5 is provided for supplying the position so as to be at a depth position where exposure to the mud surface can be prevented.

Description

Direct sowing machine and direct sowing method using the direct sowing machine

The present invention relates to a direct sowing machine comprising a sowing device for direct sowing of rice seeds with respect to a faucet, a chemical supply device for supplying a chemical for pest control, and a direct sowing method using the direct sowing machine.

Although direct seeding is not performed as a technique for supplying the above-mentioned pest control agents, those described in [1] below are known.

[1] With respect to the mat-shaped seedlings arranged in the seedling loading part of the seedling loading stand, the chemical|medical agent was sprayed and supplied with the chemical|medical agent spreading apparatus, and it was comprised so that the seedlings in which chemical|medical agent supply was completed might be transplanted into a field (refer patent document 1).

Japanese Patent Laid-Open No. 2010-136675 (paragraph "0052", see Fig. 5)

In the prior art described above, since the pest control agent is supplied to the mat-shaped seedlings, the mat-shaped seedlings are divided and transplanted into the field, the pest control agent is effectively applied at a position very close to the transplanted seedlings. It's useful in what you can do.

However, when it is intended to supply a pest control agent in a direct sowing machine rather than a seedling transplanting device, there are the following problems.

That is, since the direct sowing machine does not have a mat-shaped seedling nor a seedling transplanting device, simply spraying a pest control agent on the pavement surface is a state in which the pest control agent is exposed to the sun immediately after spraying. In general, pest control agents have legal regulations so that the active ingredients are lost due to exposure to sunlight. It is not preferable because it cannot be

It is an object of the present invention to make it possible to perform seeding and supply of the pest control agent to the entire surface in a state in which the pest control agent can be effectively acted upon.

The technical means of the direct sowing machine in the present invention devised in order to achieve the above object has the following features and effects in terms of configuration and operation.

[Solution 1]

Technical means of the present invention devised in order to solve the above problems is provided with a sowing device for direct sowing of rice seeds to a faucet, and a drug supply device for supplying a pest control agent, and at the same time, for pest control by the drug supply device A drug insertion means is provided for supplying the drug so that the supply position to the front surface of the drug is at a depth where exposure to the mud surface can be prevented.

[Actions and Effects of the Invention Related to Solution 1]

According to the invention according to the above solution 1, although a sowing device for direct sowing of rice seeds to the faucet is used, since the drug insertion means is provided, the supply position of the pest control agent for the entire surface is prevented from being exposed to the mud surface. It can be sown in one state at a position as deep as possible.

Therefore, there is an advantage in that the pest control agent avoids being exposed to the sun immediately after the reagent, and it can be in a state that is easy to exhibit the effectiveness of the pest control agent for rice seeds as expected.

[Solution 2]

Another technical means of the present invention devised to solve the above problem, the drug insertion means is configured so that the supplied medicament is positioned lower than the supply position for the entire surface of the rice seed by the seeding device.

[Effects and Effects of the Invention Related to Solution 2]

According to the invention according to the above-mentioned solution 2, even if the supply position of the rice seed by the sowing device to the front surface of the rice seed is the mud surface, the pest control agent is supplied to be located lower than the rice seed, so that the rice seed is supplied close to the mud surface. Even in this case, there is an advantage in that the efficacy of the pest control agent can be secured as expected by avoiding being exposed to sunlight immediately after the reagent.

[Solution 3]

Another technical means of the present invention devised in order to solve the above problem is further provided with a fertilization device for supplying fertilizer, and the supply position of the pest control agent for the entire surface by the drug insertion means is by the sowing device It is a position closer to the supply position for the entire surface of the rice seed by the sowing device than the supply position for the entire surface of the fertilizer by the fertilizing device supplied to a position spaced apart from the supply position for the entire surface of the rice seeds.

[Operation and effect of the invention related to solution 3]

According to the invention related to the above-mentioned solution 3, the supply position for the entire surface of the pest control agent by the drug insertion means is, rather than the supply position for the entire surface of the fertilizer by the fertilization device, to the entire surface of the rice seeds by the sowing device. It becomes a position close to the supply position.

Thereby, it is possible to give priority to the period when nutrient supply to rice seeds with fertilizer is desired, and the effect of controlling pests and pests on rice seeds by the pest control agent can act, so that a soil environment suitable for the growing process of rice seeds is obtained. There is this.

[Solution 4]

Another technical means of the present invention devised to solve the above problems is between the supply position for the entire surface of the rice seed by the sowing device and the supply position for the entire surface by the fertilization device for supplying fertilizer, the drug insertion means It is that the supply position for the front side of the pest control agent is set.

[Operation and effect of the invention related to solution 4]

According to the invention related to the solution 4 described above, between the supply position of rice seeds for the front surface and the supply position of the fertilizer for the front surface, there is a supply position of the pest control agent for the front surface, and the Naturally, the supply position becomes the vicinity of the supply position of rice seeds rather than the supply position of a fertilizer. Thereby, there exists an advantage that the soil environment suitable for the cultivation process of rice seeds similar to the case by the solution means 3 is acquired.

In addition, while the roots of rice seeds are growing, their elongation direction tends to be toward the fertilization position. Roots are present in the middle of extension toward the fertilization position, and the effect of pest control agents is likely to be exerted on the roots. Therefore, there is an advantage in that it is easy to obtain a desired effect by using a relatively small amount of a pest control agent.

[Solution 5]

Another technical means of the present invention devised to solve the above problem, the supply position for the front surface of the rice seed by the sowing device is directly above the supply position for the front surface of the pest control agent by the drug insertion means it will be location

[Operation and effect of the invention related to solution 5]

According to the invention according to the above-described solution 5, the pest control agent eluted in the soil tends to spread around the rice seed located immediately above, and there is an advantage that it is easy to ensure the medicinal effect of the pest control agent.

[Solution 6]

Another technical means of the present invention devised to solve the above problem is that the drug insertion means presses the pest control drug exposed on the mud surface at the supply point of the pest control drug by the drug supply device to the front side. It is provided with a pressing body, and it is comprised so that the pest control agent may shift to the supply position of the depth which can prevent exposure to the mud surface.

[Operation and effect of the invention related to solution 6]

According to the invention according to the solution 6 described above, since the pressing body for pressing the pest control agent exposed on the mud surface to the front side is provided, exposure of the pest control agent to the mud surface at a position near the mud surface is prevented. It can facilitate the transition to the depth possible. Therefore, even when rice seeds are sprayed close to the surface of the mud, it is possible to avoid exposure of the pest control agent to the mud surface, and at the same time, the advantage of being easy to supply the pest control agent to a location closer to the supply point of rice seeds There is this.

[Solution 7]

Another technical means of this invention devised in order to solve the said subject is that the said press body is comprised by the float for a stop equipped with relative up-down position changeable with respect to a traveling body.

[Operation and effect of the invention related to solution 7]

According to the invention according to the above-mentioned solution 7, since a stopper float at a member having a function of pressing near the mud surface to the front side is used as a pressing body, the pest control agent is applied to the mud surface at a position near the mud surface. There is an advantage in that the structure can be simplified because it does not require a dedicated pressing body for shifting the exposure to a preventable depth.

[Solution 8]

Another technical means of the present invention devised to solve the above problem is that the drug inserting means is a submerging device that supplies a pest control agent into the soil lower than the surface of the mud, and a covered soil body that re-buries the groove formed by the subunit device will be equipped with

[Operation and effect of the invention related to solution 8]

According to the invention according to the above-mentioned solution 8, it becomes easier to perform the operation of supplying the pest control agent into the soil lower than the mud surface by using a small tool, and the pests and pests in the case of supplying rice seeds into the soil lower than the mud surface There is an advantage that it becomes easy to set appropriately the supply position of the chemical|medical agent for control.

[Solution 9]

Another technical means of the present invention devised in order to solve the above problem is that the fertilizer supplied from the fertilization device and the pesticide control agent supplied from the drug supply device are combined, and it is configured to be supplied with a common planter.

[Operation and effect of the invention related to solution 9]

According to the invention related to the above-mentioned solution 9, both fertilizer and pest control agents can be supplied in the soil using a common sieve, and the structure can be simplified compared to the case of supplying each using a separate grocer. there is an advantage

The technical means of the direct sowing method in the present invention devised in order to achieve the above object has the features and effects of the constitution in the following points.

[Solution 10]

The technical means in the direct sowing method of the present invention devised to solve the above problems includes a sowing step of direct sowing of rice seeds to a faucet, and a drug supply step of supplying a pest control agent, and the drug supply step The supply position to the front surface of the pest control agent by the supply is to be supplied so that exposure to the mud surface can be prevented at a depth position.

[Operation and effect of the invention related to solution 10]

According to the invention according to the above-described solution 10, the rice seeds are directly sown with respect to the faucet, and the supply position of the pest control agent for the entire surface is set to a depth position where exposure to the mud surface can be prevented.

Therefore, while maintaining the state in which the pest control agent effectively acts on the rice seed from the early stage after the reagent, the pest control agent avoids being exposed to the sun, thereby increasing the effectiveness of the pest control agent on the rice seed. There is an advantage that can be secured as expected.

[Solution 11]

Another technical means of the present invention devised to solve the above problem is that the supply position for the front side of the drug supplied in the drug supply process is lower than the supply position for the entire surface of the rice seed by the seeding process. .

[Operation and effect of the invention related to solution 11]

According to the invention according to the above-mentioned solution 11, even if the supply position for the entire surface of the rice seed by the sowing process is on the surface of the mud, the pest control agent is supplied so as to be located lower than the rice seed, so that the rice seed is supplied close to the mud surface. Even in this case, there is an advantage in that the efficacy of the pest control agent can be secured as expected by avoiding being exposed to sunlight immediately after the reagent.

[Solution 12]

Another technical means of the present invention devised to solve the above problem is further provided with a fertilization supply process for supplying fertilizer, and the supply position of the pest control agent for the entire surface by the drug supply process is in the sowing process It is a position closer to the supply position for the entire surface of the rice seeds by the sowing process than the supply position for the entire surface of the fertilizer by the fertilization supply process, which is supplied at a location spaced apart from the supply position for the entire surface of the rice seeds by the seeding process. will be.

[Operation and effect of the invention related to solution 12]

According to the invention according to the above-mentioned solution 12, the supply position for the entire surface of the pest control agent by the chemical supply process is, rather than the supply position for the entire surface of the fertilizer by the fertilization device, the entire surface of the rice seeds by the sowing device. It becomes a position close to the supply position.

Thereby, it is possible to give priority to the time when nutrient supply to rice seeds with fertilizer is desired, so that the pest control effect on rice seeds by the pest control agent can act, thereby securing a soil environment suitable for the process of growing rice seeds. There are advantages that can be

[Solution 13]

Another technical means of the present invention devised to solve the above problem is between the supply position for the entire surface of the rice seed by the sowing process and the supply position for the entire surface by the fertilization process for supplying fertilizer, the drug supply process It is that the supply position for the front side of the pest control agent is set.

[Operation and effect of the invention related to solution 13]

According to the invention related to the solution 13 described above, between the supply position of the rice seed for the front surface and the supply position of the fertilizer on the front surface, there is a supply position of the pest control agent for the front surface, and the Naturally, the supply position becomes the vicinity of the supply position of rice seeds rather than the supply position of a fertilizer. Thereby, there exists an advantage that the soil environment suitable for the cultivation process of rice seeds similar to the case by the solution means 12 is acquired.

In addition, while the roots of rice seeds are growing, their elongation direction tends to be directed to the fertilization position, but the supply position of the pest control agent located between the rice seeds supply position and the fertilizer supply position is, Roots are present in the middle of extension toward the fertilization position, and the effect of pest control agents is likely to be exerted on the roots. Therefore, there is an advantage in that it is easy to obtain a desired effect by using a relatively small amount of a pest control agent.

[Solution 14]

Another technical means of the present invention devised to solve the above problem, the supply position for the entire surface of the rice seed by the sowing process is directly above the supply position for the front surface of the pest control agent by the drug supply process that is location.

[Operation and effect of the invention related to solution 14]

According to the invention according to the above-described solution 14, there is an advantage that the pest control agent eluted in the soil tends to spread around the rice seed located immediately above, and it is easy to ensure the medicinal effect of the pest control agent.

[Solution 15]

Another technical means of the present invention devised to solve the above problem is, in the drug supply process, after the pest control drug is supplied to the mud surface, the pest control drug exposed on the mud surface is transferred from the upper side to the front side It is intended to be pressurized to shift the feed position to a depth that prevents exposure to the mud surface.

[Operation and effect of the invention related to solution 15]

According to the invention according to the above-mentioned solution 15, since the pressing body for pressing the pest control agent exposed on the mud surface to the front side is provided, exposure of the pest control agent to the mud surface at a position near the mud surface is prevented. It can facilitate the transition to the depth possible. Therefore, even when rice seeds are sprayed close to the surface of the mud, it is possible to avoid exposure of the pest control agent to the mud surface, and at the same time, it is easy to supply the pest control agent to a location closer to the supply point of rice seeds. There is an advantage.

[Solution 16]

Another technical means of the present invention devised to solve the above problem is, in the drug supply step, after supplying the pest control agent to the groove formed on the front surface, the groove is refilled to provide the pest control agent to the mud surface. It is supposed to be supplied in the soil below.

[Operation and effect of the invention related to solution 16]

According to the invention according to the above-mentioned solution 16, it is easier to perform the operation of supplying the pest control agent into the soil lower than the mud surface, so that when the rice seeds are supplied into the soil lower than the mud surface, the pest control agent There is an advantage of making it easy to properly perform the supply.

[Solution 17]

Another technical means of the present invention devised in order to solve the above problem is that the fertilizer supplied in the fertilization supply process and the pesticide control agent supplied in the drug supply process are merged in the middle of supply and supplied to a common position.

[Operation and effect of the invention related to solution 17]

According to the invention related to the above-mentioned solution 17, both fertilizer and pest control agent can be supplied in the soil in a common supply process, and compared to the case where each is supplied in a separate supply process, fertilizer and pest control agent in soil There is an advantage in that it is easy to achieve the simplification of the supply path of

BRIEF DESCRIPTION OF THE DRAWINGS It is a side view which shows the whole of a direct sowing machine.
Fig. 2 is a side view showing the faucet working device;
Fig. 3 is a rear view showing a portion of the fertilization device;
Fig. 4 is a rear view showing a portion of the medicament supply device;
5 is a rear view showing a part of the sowing device;
Fig. 6 is a plan view showing a float portion for rest.
It is explanatory drawing seen from the side which shows the power transmission structure with respect to the feeding mechanism of a fertilization apparatus.
It is explanatory drawing seen from the side which shows the power transmission structure with respect to the delivery mechanism of a chemical|medical agent supply apparatus.
It is explanatory drawing which shows the relationship between a chemical|medical agent supply state and a seeding state.
It is explanatory drawing which shows the relationship between the chemical|medical agent supply state and seeding state in another embodiment.
It is explanatory drawing seen from the side which shows the power receiving work apparatus in another embodiment.
Fig. 12 is an explanatory view showing a direct wave state using a direct sowing machine, (a) shows a direct wave state in a vertical cross section in a direction orthogonal to the aircraft traveling direction, (b) shows a direct wave state in a planar view; there is.
It is explanatory drawing which shows the state of direct sowing using the direct sowing machine in another embodiment, (a) shows the state of direct sowing in the up-down direction cross section in the direction orthogonal to the gas advancing direction, (b) is a plane It shows the direct wave condition as seen in .
14 is an explanatory view showing a direct wave state using a direct sowing machine according to another embodiment, (a) shows a direct wave state in a vertical cross section in a direction orthogonal to the gas advancing direction, (b) is a plane It shows the direct wave condition as seen in .
It is explanatory drawing which shows the direct wave state using the direct sowing machine in another embodiment, (a) shows the direct wave state in the up-down direction cross section in the direction orthogonal to the gas advancing direction, (b) is a plane It shows the direct wave condition as seen in .
It is explanatory drawing which shows the direct wave state using the direct sowing machine in another embodiment, (a) shows the direct wave state in the up-down direction cross section in the direction orthogonal to the body advancing direction, (b) is a plane It shows the direct wave condition as seen in .
It is explanatory drawing which shows the state of direct sowing using the direct sowing machine in another embodiment, (a) shows the state of direct wave in the up-down direction cross section in the direction orthogonal to the gas advancing direction, (b) is a plane It shows the direct wave condition as seen in .

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of the direct sowing machine in this invention is described based on drawing.

[Overall composition of direct sowing machine]

BRIEF DESCRIPTION OF THE DRAWINGS It is a side view which shows the whole of the direct sowing machine which concerns on this invention. As shown in Fig. 1, in the direct sowing machine according to the present invention, the front portion of a vehicle body frame 10 is supported by a pair of left and right front wheels 11 and 11 capable of driving and steering, and the rear portion is driven by a pair of left and right. By being supported by the rear wheels 12 and 12 as much as possible, the self-propelled traveling body 1 is constituted. Then, the power receiving work device A is connected to the rear portion of the vehicle body frame 10 of the traveling body 1 via a link mechanism 16 .

The traveling body 1 is provided with a driving part 13 in the front part of the vehicle body frame 10, and the front wheel 11 and the rear wheel are driven by the driving force from the engine 14 disposed in the driving part 13. (12) is configured to run frequently. The traveling body 1 is configured as a riding type having a driver's seat 15 provided at the rear of a vehicle body frame 10 .

In the power receiving work device A, the link mechanism 16 is oscillated up and down with respect to the body frame 10 by the hydraulic cylinder 17, so that the stop float 5 is grounded to the pavement soil, and the lowering work state, and the stop float (5) is lifted and lowered from the pavement soil to a high lifting non-working state.

That is, the direct sowing machine lowers the power receiving working device A to the lowering working state and traveling the traveling body 1, so that the power receiving working device A performs seeding work for 4 sets, fertilization work for 4 sets, and reagent work for 4 sets. is configured to do so.

[faucet work device]

The power receiving work device A will be described.

As shown in Figs. 2 to 6 , the power receiving work device A includes a fertilization device 2 , a chemical supply device 3 , and a seeding device 4 , and a float 5 for stopping in the lower portion. are equipping

Fig. 2 is a side view showing the whole of the power receiving work device A; 3 : is shown in the state which abbreviate|omitted the structure after the chemical|medical agent delivery part 31 of the seeding apparatus 4 part and the chemical|medical agent supply apparatus 3 part on the rear side when seen from the rear surface of the power receiving work device A. As shown in FIG. 4 : is shown in the state which abbreviate|omitted the structure after the fertilizer feeding part 21 of the seeding apparatus 4 part and the fertilization apparatus 2 part of the rear side when seen from the rear surface of the power receiving work apparatus A. As shown in FIG. 5 : seen from the rear surface of the power receiving operation apparatus A, the fertilization apparatus 2 part and the chemical|medical agent supply apparatus 3 part of the front side are abbreviate|omitted, and the seeding apparatus 4 part has been shown. 6 : is a top view which shows the float 5 part for a stop.

As shown in Figs. 1 to 3, the power receiving working device A is provided with a body frame frame 6 having a front end connected to the lower portion of the upper and lower rear links 16a constituting the link mechanism 16. .

With respect to this body frame 6, the fertilization tank 20 provided with the four fertilizer accommodating parts 20a provided in the arrangement arranged in a line in the gas transverse direction in the front part is supported, and the gas frame frame 6 ) A seeding tank 40 having four rice seed receiving units 40a installed in a line arranged in a horizontal direction of the gas is supported in the rear of the seeding tank 40 .

In addition, as shown in Figs. 4 and 7, 8, in the state accommodated in the fertilization tank 20, the four medicament accommodating parts 30a partitioned to form another space independent from the space in the fertilization tank 20 ) is disposed, the drug delivery unit 31 for dispensing the drug in the drug storage tank 30 is in the front-back direction of the fertilization tank 20 and the sowing tank 40 It is supported on the body frame (6) within the gap.

Below the body frame 6, there is provided a single wide stop float 5 in which the front end side is arranged so as to be able to swing up and down around the rocking fulcrum x on the rear side.

This body frame 6 is connected with respect to the rear link 16a via the rolling fulcrum shaft 16b of the body front-back direction. Accordingly, the power receiving work device A is configured to be capable of rolling operation with respect to the traveling body 1 around the rolling axis z in the front-rear direction of the rolling fulcrum shaft 16b.

The body frame 6 includes a transversely long drive case 60 of the body frame 6 connected to the rear link 16a with the upper end on the front end side by a rolling fulcrum shaft 16b, and the drive case 60 A pair of left and right transmission cases 61 extending in the rear direction of the body frame 6 separately from both lateral ends of the .

The drive case 60 is provided with the feed case 60A into which transmission power from the power transmission shaft 18 which transmits the power of the engine 14 on the side of the traveling body 1 is input in the central part in the left-right direction. and a pair of left and right output shaft cases 60B and 60B extend outward from both lateral sides of the lower end of the feed case 60A to the lateral side.

The motive power input to the said feed case 60A is, as shown in FIG. 3 and FIG. 4, the fertilization apparatus 2 through the transmission shaft 62 built in the right and left pair of output shaft cases 60B, 60B. ) is configured to be transmitted to the drive mechanism 22 and the drive mechanism 32 of the drug supply device 3 .

In addition, the power of the transmission shaft 62 built in the pair of left and right output shaft cases 60B and 60B is transmitted to the rear through a transmission mechanism (not shown) incorporated in the pair of left and right transmission cases 61 . It is transmitted also to the sowing apparatus 4, and it is comprised so that the rice seed feeding part 41 of the sowing apparatus 4 may be driven.

[fertilization device]

The fertilization apparatus 2 is demonstrated.

2, 3 and 6, a pair of left and right vertical frames 63 and 63 are erected and installed in the front part of the body frame 6, and at the upper end of the vertical frames 63, 63 A horizontally long front support frame 64 is installed.

The fertilization apparatus 2 is fixedly supported with respect to the gas frame frame 6 by the fertilizer delivery part 21 being connected and fixed to the said front part support frame 64. As shown in FIG. This fertilizer feeding part 21, the fertilization tank 20 provided in the upper position, the fertilizer supply cylinder 23 extended in the downward direction of the back of a gas from the lower part of the fertilizer feeding part 21, and a fertilizer supply cylinder The extension end of the 23 is provided with a jiggugi (25) connected through a corrugated box (24), and a soil covering body (26) for refilling the grooves of the mud surface formed by the jiggugi (25). has been

The mouthpiece 25 is lateral in the left-right direction with respect to the lower end of the drug supply cylinder 33 to be described later of the drug supply device 3 or the lower end of the drop guide 42 to be described later of the seeding device 4 . It is installed in a position shifted by

As shown in Figs. 2, 3, and 6, the jig 25 protrudes downward from the lower surface 5A of the stop float 5 at a position on the rear side of the stop float 5, and is a mud surface. It is provided so that a groove|channel may be formed in it, and it is fixed to the float 5 for a stop.

The covered soil body 26 is connected and fixed to the rear of the jiggugi 25, and is wider than the left and right width w1 of the groove of the mud surface formed by the jiggugi 25, and the left and right sides of the groove of the jiggugi 25 It is composed of a spatula-shaped member having a width w2 in the left-right direction on both sides.

As this cover body 26 extends from the rear side of the compactor 25 downward toward the rear, after the fertilizer a is supplied into the groove formed by the compactor 25, the soil on both sides of the groove is applied toward the groove. works to press in. In other words, when the groove is formed, the soil that has risen to the left and right sides of the groove on the mud surface is pushed forward by the soil covering body 26 in a downward-facing posture by pushing the soil from side to side during the formation of the groove. , soil is press-fitted into the grooves formed on the mud surface and re-buried.

As for the fertilizer feeding part 21, as shown in FIGS. 2, 3, and 7, the feeding drive shaft 27 which drives a well-known feeding roll (not shown) is a drive case via the drive mechanism 22. It is linked to the transmission shaft 62 protruding from the left and right ends of the (60).

The drive mechanism 22 includes a crank body 22a fixed to the shaft end of the transmission shaft 62 , an operating arm 22b provided on the drawing drive shaft 27 , the crank body 22a and the operating arm 22b . ) is provided with an interlocking rod (22c) for connecting. Therefore, every time the transmission shaft 62 rotates once, the operating arm 22b is reciprocally oscillated in a predetermined angle range θ1, and the feeding roll is rotated in a fixed direction through a unidirectional rotation mechanism (not shown), whereby the fertilization tank 20 It is comprised so that the fertilizer inside may be fed and supplied at a time by a predetermined amount.

[medical supply device]

The chemical|medical agent supply apparatus 3 which supplies the chemical|medical agent for pest control is demonstrated.

2, 4, 6 and 8, the chemical|medical agent supply apparatus 3 is the chemical|medical agent delivery part 31, the chemical|medical agent accommodation tank 30 provided in the upper side, and the chemical|medical agent delivery part 31. ) is provided with a drug supply cylinder 33 extending downward from the lower portion.

The drug supply cylinder 33 is connected to the upper cylinder 33a made of a hard pipe connected to the medicine dispensing part 31 and the lower end side of the upper cylinder 33a, and the lowermost end is supported by the float 5 for stopping. It is configured with a lower cylinder (33b) containing a flexible hose. Therefore, when the float 5 for a stop rock|fluctuates the front-end|tip side up and down around the rocking|fluctuation fulcrum x on the rear-end side, the lower cylinder 33b also flexibly changes with its own flexibility.

As for the chemical|medical agent delivery part 31, as shown in FIGS. 2, 4, 6, and FIG. 8, the delivery drive shaft 34 which drives a well-known delivery roll (not shown) is the right and left end part of the drive case 60. It is configured to be driven by interlocking connection with the transmission shaft 62 protruding from the drive mechanism 32 via the drive mechanism 32 .

The drive mechanism 32 is comprised as follows. That is, as shown in Fig. 4, a crank arm 32a having one end side connected to the interlocking rod 22c connected to the crank body 22a fixed to the shaft end of the transmission shaft 62 is provided. The lower end side of the lower interlocking rod 32b is connected to the other end side of the 32a. The upper end side of the lower interlocking rod 32b is connected and fixed to the end of the relay link 32d pivoted on the left and right support shaft 32c on the side farther from the support shaft 32c.

The lower end side of the pair of upper interlocking rods 32e and 32e is connected to the relay link 32d on both sides thereof with the support shaft 32c interposed therebetween. Each upper end of the upper interlocking rods 32e and 32e is separately connected to each of the pair of operating arms 32f and 32f provided on the feeding drive shaft 34 .

Therefore, every time the transmission shaft 62 rotates once, the crank arm 32a also rotates once, and in conjunction with this, the relay link 32d reciprocates in the predetermined angular range θ2, and the upper interlocking rods 32e, 32e ), the pair of operating arms 32f and 32f are also individually swingably operated.

This pair of operation arms 32f, 32f drives the feeding roll which rotates and drives the feeding drive shaft 34 in a fixed direction through the one-way rotation mechanism (not shown), and rotates with the feeding drive shaft 34, and a chemical|medical agent It is comprised so that the chemical|medical agent b in the accommodation tank 30 may be drawn|fed out and supplied at a time by predetermined amount.

The lower cylinder 33b of the chemical|medical agent supply cylinder 33 is being fixed to the location close to the front-end side of the float 5 for a stop, as shown in FIGS. As shown in Fig. 9, the lower end of the lower cylinder 33b faces downward on the front side obliquely from the bottom surface 5A of the stop float 5 so as to be located slightly away from the mud surface of the front GL. It is installed in the upper part of the inclined surface part.

And the chemical|medical agent b supplied from the lower end part of the lower cylinder 33b falls on the front surface GL before the float 5 for stops leveling the ground, and the float 5 for a stop passes over the front surface GL to which the chemical|medical agent b was dropped and supplied. By doing so, as shown in FIG. 9, the chemical|medical agent b is pressed together with soil only by the settlement amount of the float 5 for a stop. At this time, the drug b is pressed into the lower mud so as to be buried in the soft mud surface, and most of it is covered with mud. Thereby, the chemical|medical agent b will be in the state supplied so that it may become a depth position which can prevent exposure to a mud surface.

That is, in this structure, the float 5 for stop which passes behind the chemical|medical agent supply location comprises the chemical|medical agent insertion means for supplying so that the chemical|medical agent b may become a depth position which can prevent exposure to a mud surface.

As shown in FIGS. 6 and 9 with respect to the mud surface of the place where the drug b was press-fitted as described above, the drop guide body 42 of the seeding device 4 located on the rear side of the supply point of the drug b. Rice seed c is supplied by falling from the lower end.

As a result, the rice seed c sprayed on the surface with respect to the front surface GL is supplied in a state where the rice seed c is mounted on the upper side of the supply point of the drug b. That is, while spraying the rice seed c on the surface, the drug b can be supplied at a location very close to the rice seed c, avoiding exposure to sunlight.

[Sowing Device]

The sowing apparatus 4 is demonstrated.

As shown in FIGS. 2 and 5 , a pair of left and right extending in the rear direction of the gas frame 6 separately from both lateral ends of the transversely long drive case 60 of the gas frame 6 , respectively. In the vicinity of the rear end of the transmission case 61, a horizontally long rear support frame 66 is provided with an upward support 65 interposed therebetween. Four seeding feeders 41 are connected and fixed to this rear support frame 66 in an arrangement arranged in a line in the lateral direction of the body, and on the upper side of their seeding feeders 41, four rice seed receiving parts 40a ) is supported with a seeding tank 40 provided with.

The seed feeding unit 41 supplies a feeding roll (not shown) inside, and the feeding roll is rotationally driven in one direction by a gear transmission mechanism (not shown) built in the transmission case 61 on the left and right. , is configured such that a predetermined amount of rice seed c is intermittently fed and supplied for every predetermined rotation amount.

In the sowing tank 40, as an example of rice seed c, iron-coated rice seed c is accommodated, and this rice seed c is continuously installed in the lower part of the seeding feeding unit 41. It is comprised so that it may fall and supply intermittently from a lower end to the mud surface below, and may break.

As shown in FIG. 6, the fall guide body 42 is provided in the position spaced laterally from the chopper 25 for fertilizer supply in planar view, and the chemical|medical agent supply cylinder 33 for chemical|medical agent supply. It is provided on the rear side of the lower end opening of the , that is, at a rear position corresponding to the trace of the drug supply point supplied from the chemical supply cylinder 33 along with the gas advance.

Therefore, the rice seed c is setting the arrangement position of the said fall guide body 42 so that it may be supplied to the position immediately above the chemical|medical agent supply trace in the position spaced apart from the supply trace of the fertilizer a in the left-right direction.

As shown in Figs. 2 and 8, a supporting arm 67 having an L-shape when viewed from the side is extended on the front side of the rear supporting frame 66. As shown in Figs. The chemical|medical agent delivery part 31 of the above-mentioned chemical|medical agent supply apparatus 3 is being fixed to the extending edge part to the upper side of this support arm 67. As shown in FIG. And the support shaft 32c of the said relay link 32d is provided in the vicinity of the bent part bent in L-shape.

[Direct sowing method]

A direct sowing method configured as described above and performing a direct sowing operation using a direct sowing machine will be described.

6, 9 and 12 (a), (b), in the chemical|medical agent supply process of supplying the chemical|medical agent b for pest control, the chemical|medical agent b dispensed from the chemical|medical agent dispensing part 31 is supplied with a chemical|medical agent. It is guided to the lower cylinder 33b of the cylinder 33, and it is made to shift to the front-end side of the float 5 for stopping so that the float 5 for stopping may fall on the front surface GL before leveling.

And from the point near the front end side of the float 5 for stoppages located above the front surface GL, the agent b supplied by falling onto the front surface GL before the float 5 for stoppages is leveled is for a stop that passes through the agent supply point It is pressed together with Ito by the float (5). As a result, as shown in Figs. 9 and 12 (a), the drug b is pressed into the lower mud so as to be buried in the soft mud surface, and most of it is in a state covered with mud.

That is, when the stop float 5 passes through the supply point of the drug b, the stop float 5 acts as a drug insertion means for press-inserting the drug b into the mud, and the drug b in the form of granules pressed into the mud is pressed by the stationary float 5 and the granule group spreads slightly in the horizontal direction, and the entire or most of the surface is covered with mud, so that direct exposure to sunlight can be avoided. Thereby, the chemical|medical agent b will be in the state supplied so that it may become a depth position which can prevent exposure to a mud surface.

And, in the sowing process of direct sowing rice seed c, as shown in FIGS. 6, 9 and 12 (a), (b), a row shape is formed on the front GL so as to be at a depth position that can prevent exposure to the mud surface. Directly above the row of the drug b supplied to the seedling apparatus 4, the rice seed c, which was guided by the fall guide body 42 of the sowing device 4, is supplied intermittently.

As a result, the rice seed c sown on the surface with respect to the front surface GL is sown in a state sown at predetermined intervals above the supply point of the drug b supplied in a row shape.

In this state, the supply position with respect to the front surface GL of the chemical|medical agent b supplied in the chemical|medical agent supply process is lower than the supply position with respect to the front surface GL of the rice seed c by a seeding process.

In the fertilization supply process of supplying the fertilizer a, as shown to FIGS. 6 and 12 (a), (b), the cropper 25 is the lower end of the chemical|medical agent supply cylinder 33, and the sowing apparatus 4 With respect to the lower end of the drop guide body 42, by being installed in a position shifted from the left and right to the lateral direction, the supplied fertilizer a row is the supplied chemical b row, or the branched rice seed c row. It is displaced laterally.

That is, in this state, with respect to the sowing position, the row of the supplied fertilizer a is located farther away than the row of the supplied drug b, and in the process of rice growth, the fertilizer a is later than the drug b of the pest control agent. it will work

[1 of another embodiment]

In embodiment, although the thing of the structure made to use the float 5 for stops was illustrated as a chemical|medical agent insertion means, it is not limited to this.

For example, as shown in Fig. 10, on the lower surface 5A side of the stop float 5 for a groove drill including a narrow plate-like body extending downward than the lower surface 5A of the float 5 for a stop. The plate-shaped member 35 is provided, and you may comprise so that the chemical|medical agent b may be drip-supplied from the chemical|medical agent supply cylinder 33 to the groove|channel for chemical|medical agent supply formed by the plate-shaped member 35.

If comprised in this way, the chemical|medical agent b can be supplied to the position slightly deeper than the bottom surface 5A of the float 5 for a stop, and the possibility that the chemical|medical agent b is exposed to the mud surface can further be reduced.

In addition, as shown in the figure, a cover body 36 for re-embedding is laid on the rear end side of the float 5 for stopping, and the groove formed by the plate-shaped member 35 for a groove drill is formed after supplying the chemical. If it is reclaimed, it is possible to more reliably reduce the possibility that the drug b is exposed to the surface of the mud.

And, if seeding of rice seed c is performed after reburial with the cover soil body 36, the rice seed c can be sprayed on the surface at a position just above the row of rows of the drug supply point. In this case, as shown in Fig. 14 (a), the rice seed c is supplied in a state where there is a slight gap d1 between the chemical supply point and the seeding position immediately above.

As for the other configuration, a configuration similar to the above-described embodiment may be adopted.

[2 of the other embodiment]

In embodiment, although the thing of the structure made to use the float 5 for stops, the plate-shaped member 35 for groove drills laid on the float 5 for stops, etc. was illustrated as a chemical|medical agent insertion means, it is not limited to this.

That is, although not shown, a reagent mouthpiece similar to the mouthpiece 25 used in the fertilization device 2 is provided separately from the mouthpiece apparatus 25 for fertilization, and the reagent mouthpiece is provided in the drug supply cylinder 33 ), you may make it install in the lower end part, and make it supply a chemical|medical agent in the location different from the fertilization position.

In this case, the placement depth for the front GL of the reagent planter can be arbitrarily determined, but it is closer to the sowing position than the fertilization position, and it is a shallow position. desirable. In addition, it is preferable to also provide a covering body for re-burying the groove formed by the small mouthpiece for reagents on the rear side of the reagent mouthpiece.

In addition, although not shown, the surface of the mud where the drug b exposed to the mud surface exists at the supply point of the drug b for pest control in a place that neither has a function as a stop float 5 nor a function as a small tool for reagents. You may make it move to the supply position of the depth which can prevent the chemical|medical agent b from being exposed to the mud surface by providing the special presser which presses downwardly. In this case, even if the chemical b is pressed together with the soil with a dedicated pressing body, no groove is formed, so a covering soil body for refilling is unnecessary.

As for the other configuration, a configuration similar to the above-described embodiment may be adopted.

[3 in another embodiment]

In embodiment, although the thing of the structure which spaced apart a chemical|medical agent supply position and fertilization position and provided it was illustrated, it is not limited to this.

For example, as shown in FIG. 11, the chemical|medical agent b supplied from the chemical|medical agent supply cylinder 33 is connected in the middle of the fall path|route of the fertilizer supply cylinder 23, and the chemical|medical agent b supplied from the chemical|medical agent feeding part 31 is the fertilizer feeding part 21. ), you may comprise so that it may join with the supply fertilizer a fed out.

When comprised in this way, on the side of the chemical|medical agent supply device 3, a special chemical|medical agent insertion means etc. are not required, and chemical|medical agent supply can also be performed using the mouthpiece 25 and the covering body 26 of the fertilization device 2 .

When fertilization, reagent, and seeding are performed using the direct sowing machine of the structure shown in FIG. 11, as shown in FIG. 17, the fertilization position and the drug supply position exist at the same location spaced apart from the sowing position. .

As for the other configuration, a configuration similar to the above-described embodiment may be adopted.

[4 in another embodiment]

In embodiment, although the case where the supply chemical|medical agent supplied in the chemical|medical agent supply process was supplied by the chemical|medical agent supply device 3 in a row|line|column form was illustrated, it is not limited to this.

For example, as shown in Fig. 13, the supply of the drug b is intermittently performed so that the drug supply point exists in the shape of a dot, so that the point shape of the drug supply point and the supply point of the rice seed c coincide with each other. You can also make it jump at the right time. In this case, there is an advantage that the usage-amount of drug b can be reduced.

As for the other configuration, a configuration similar to the above-described embodiment may be adopted.

[5 of the other embodiment]

In embodiment, although the example which made the supply position of the chemical|medical agent b become just below a sowing position was shown, it is not necessarily limited to this.

For example, as shown in FIG. 15 or FIG. 16, you may make it the supply position of the chemical|medical agent b exist between the sowing position of the rice seed c in planar view, and the supply position of the fertilizer a.

In this case, in what is shown in FIG. 15, each is supplied in the state in which the sowing position of rice seed c, the supply position of the fertilizer a, and the supply position of the chemical|medical agent b were arranged linearly. For this reason, the interval d1 between the seeding position of the rice seed c and the supply position of the chemical b is necessarily shorter than the interval d2 between the seeding position of the rice seed c and the supply position of the fertilizer a, but compared to the case shown in FIG. The space|interval d1 of the sowing position of the rice seed c and the supply position of the chemical|medical agent b is further shorter than the space|interval d2 of the sowing position of the rice seed c and the supply position of the fertilizer a.

Moreover, even when the space|interval d1 of the seeding position of rice seed c and the supply position of the chemical|medical agent b is shown in FIG. 14, it is shorter than the space|interval d2 of the sowing position of the rice seed c and the supply position of the fertilizer a.

As for the other configuration, a configuration similar to the above-described embodiment may be adopted.

[6 in another embodiment]

In embodiment, although the example provided with one wide stop float 5 was shown, you may implement by replacing a plurality of narrow floating floats with one wide stop float 5 and providing it.

As for the other configuration, a configuration similar to the above-described embodiment may be adopted.

[7 of another embodiment]

An insecticide, a disinfectant|microbicide, or both may be sufficient as the chemical|medical agent for pest control used in embodiment. In addition, even if there is no insecticidal effect, it may be a pest repellent or the like for preventing pests from coming, but only if it is a drug b that has a control effect against diseases and pests in the process of growing rice seed c or seedlings.

[8 of another embodiment]

In the embodiment, as rice seeds sown with the sowing device 4 or rice seeds sown in the sowing process, an example in which iron-coated rice seeds are used was shown. also good

[9 of another embodiment]

The fertilization apparatus 2, the chemical|medical agent supply apparatus 3, and the fertilization process and the chemical|medical agent supply process described in embodiment are not necessarily limited to the case of performing direct seeding, For example, since you may use also when transplanting a seedling, direct seeding It can be applied to system work equipment.

The present invention can be used not only for a direct sowing machine with 4 sets of power receiving working devices A, but also for a direct sowing machine having 5 or more sets of power receiving working devices A, or for 2 or 3 sets of direct sowing machines.

2: Fertilization device
3: Pharmaceutical supply device
4: sowing device
5: Drug insertion means (pressing body, stop float)
25: common writing instrument
a: fertilizer
b: pest control agent
c: rice seed
d2: predetermined interval
GL: front

Claims (17)

A sowing device that directly sows rice seeds with respect to the faucet, and a drug supply device that supplies a pest control agent,
At least a portion of the drug insertion means for supplying the drug for pest control by the drug supply device so that the supply position on the front surface of the drug is at a depth that can prevent exposure to the mud surface is coupled with the drug supply device. The direct planting machine according to claim 1, wherein the drug insertion means is configured such that the supplied drug is positioned at a lower level than the supply position of the seed by the seeding device to the entire surface of the rice seedlings. According to claim 1 or 2, further comprising a fertilization device for supplying fertilizer, the supply position for the entire surface of the pest control agent by the drug insertion means, the supply to the entire surface of the rice seed by the sowing device Rather than the supply position with respect to the front surface of the fertilizer by the said fertilization apparatus supplied to the position spaced apart from a position by a predetermined distance,
A position close to the supply position for the front of the rice seed by the sowing device, a direct sowing machine. According to claim 3, between the supply position for the entire surface of the rice seed by the sowing device, and the supply position for the entire surface by the fertilization device for supplying fertilizer, for the entire surface of the pest control agent by the drug insertion means A direct sowing machine with a set supply location. The direct planting machine according to claim 1 or 2, wherein the supply position for the front surface of the rice seed by the sowing device is a position directly above the supply position for the front surface of the pest control agent by the drug insertion means. The method according to claim 1 or 2, wherein the drug insertion means includes a pressing body that presses the pest control drug exposed on the mud surface at the supply point of the pest control drug by the drug supply device to the front side, A direct sowing machine configured to shift the pest control agent from exposure to the mud surface to a supply location at a depth that is preventable. The direct planting machine according to claim 6, wherein the pressing body is constituted by a stop float equipped so as to be able to change a relative vertical position with respect to the traveling body. The method according to claim 1 or 2, wherein the drug insertion means is provided with a potter for supplying a pest control agent into the soil below the surface of the mud, and a soil covering body for refilling the grooves formed with the tool. direct sowing. The direct planting machine according to claim 4, wherein the fertilizer supplied from the fertilization device and the pesticide control agent supplied from the drug supply device are combined, and the direct planting machine is configured to be supplied by a common planter. A direct sowing method comprising: a sowing process of direct sowing of rice seeds to a faucet;
A direct sowing method for supplying the initial supply position to the front surface of the pest control medicament by the medicament insertion means, which is at least partially coupled to the medicament supply device, to a depth position that can prevent exposure to the mud surface. The direct sowing method according to claim 10, wherein the supply position for the entire surface of the medicine supplied in the chemical supply step is lower than the supply position for the entire surface of the rice seed by the seeding step. The method according to claim 10 or 11, further comprising a fertilization supply process of supplying fertilizer, wherein the supply position for the entire surface of the pest control agent by the chemical supply process is relative to the entire surface of the rice seed by the sowing process. Direct sowing method, which is a position closer to the supply position to the entire surface of the rice seeds by the seeding process than the supply position to the entire surface of the fertilizer by the fertilization supply process supplied to a position spaced apart from the supply position at a predetermined interval. The method according to claim 12, between the supply position for the entire surface of the rice seed by the sowing process and the supply position for the entire surface by the fertilization process to supply fertilizer, to the entire surface of the pest control agent by the drug supply process A direct delivery method with a set supply location. The direct sowing method according to claim 10 or 11, wherein the supply position for the entire surface of the rice seeds by the sowing process is a position directly above the supply position for the entire surface of the pest control agent by the chemical supply process. The method according to claim 10 or 11, wherein in the chemical supply step, after the pest control agent is supplied to the mud surface, the pest control agent exposed on the mud surface is pressed from the upper side to the front side, and is applied to the mud surface. A method of direct sowing, adapted to shift the exposure of 12. The method according to claim 10 or 11, wherein in the chemical supply step, after supplying the pest control agent to the groove formed on the front surface, the groove is refilled to supply the pest control agent into the soil below the mud surface. The direct method that has been done. The direct sowing method according to claim 13, wherein the supplied fertilizer in the fertilization supply step and the supplied pest control agent in the chemical supply step are merged in the middle of supply and supplied to a common position.

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