JPH01196209A - Float device of machine for direct sowing in flooded paddy field - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a float device for a flooded direct seeding machine.

(Prior art) As a submerged direct seeding machine, there is one shown in Japanese Utility Model Application Publication No. 59-23913, in which a notch opening to the rear is formed in the float, and a notch in the notch is formed on the bottom of the float. A groover is provided in front and forms a seeding groove,
A seed guide for guiding seeds into the sowing furrow is arranged behind the furrower, and the seed guide has a pair of left and right side plates located within the notch, and the lower ends of the side plates are the lower ends of the furrower in the vertical direction. The float is provided with a soil covering member that covers the seeds fed into the seeding groove.

(Problems to be Solved by the Invention) However, with the above-mentioned conventional method, there was a problem in that the seeding work could not be performed satisfactorily depending on the conditions of the paddy field.

That is, in the above-mentioned conventional device, since the soil covering member was far away from the seed guide rearwardly, it took a long time for the delivered seeds to be covered with soil.

For this reason, if there are irregularities on the plowing platform or mud surface in a paddy field, the direct flooding machine or float may move from side to side during the above period, making it difficult to properly cover the fed seeds with soil. Ta.

Furthermore, the above-mentioned conventional floats were not provided with any means for removing water from the front side of the float in the field to the outside of the float.

For this reason, if the water in the field is deep, a large amount of this water will enter into the sowing guide, and this intruding water will greatly disturb the unfed seeds, which will cause them to be sown in the designated position. I was afraid I wouldn't be able to do it.

An object of the present invention is to provide a float device for a flooded direct seeding machine that can solve the above problems.

(Means for Solving the Problems) In order to solve the above problems, the first means adopted by the present invention is that the float 22 is formed with a notch 51 that opens rearward, and the bottom surface of the float 22 is provided with a notch 51. A groove creator 52 is provided in front of the seeding groove 51 and forms a seeding groove 53.
A seed guide 54 that guides the seeds 60 to the sowing groove 53 is disposed behind the furrower 52, and the seed guide 54 is connected to the notch 5.
It has a pair of left and right side plates 56 located within the
The lower end is located at approximately the same position as the lower end of the furrower 52 in the vertical direction, and the float 22 is equipped with a soil covering member 57 that covers the seeds 60 fed into the seeding furrow 53, and the side plate of the seed guide 54. A soil covering member 57 extends rearward from the outer surface of the seed guide 54 and covers mud on the outer side of the front portion of the soil covering member 57 between the outer surface of the side plate 56 of the seed guide 54 and the lower edge of the front portion of the soil covering member 57. Gap 58 to be introduced inwardly
is formed, and the rear part of the soil covering member 57 serves as a guide portion 59 that guides the introduced mud and covers the seeds 60 with soil.

In addition to the first means, the second means further includes a soil covering member 57 fixed only to the side plate 56 of one example of the seed guide 54, and the side plate 56 on the other side of the seed guide 54 is fixed to one side plate. 56
The soil covering member 57 is extended rearward, and its rear end is located at approximately the same position as the rear end of the soil covering member 57 in the front-rear direction.

Furthermore, the third means is that the float 22 is formed with a notch 51 that opens rearward, and the bottom surface of the float 22 is provided with a notch 51.
1, and forms a seeding groove 53.
2 is provided, and seeds 6 are placed in the seeding groove 53 behind the furrower 52.
A seed guide 54 is provided to guide the seed guide 5.
4 has a pair of left and right side plates 56 located in the notch 51, and the lower ends of the both side plates 56 are located at approximately the same position as the lower end of the groove cutter 52 in the vertical direction, and are fed to the float 22 and to the seeding groove 53. The float 22 is provided with a soil covering member 57 for covering the seeds 60, which is installed along the front and both left and right sides of the float 22 so that the float 2 in the field is not covered during work.
2. A draining member 62 for removing water from the front side of the float 22 to the outside of the float 22 is provided in an upright manner.

(Function) According to claim 1 of the present invention, at the time of direct sowing by flooding, the furrower 5
2 forms a seeding groove 53, a seed guide 54 advances within this seeding groove 53, and seeds 60 are delivered into the seeding groove 53 through this seed guide 54.

Then, the outer surface of the side plate 56 of the seed guide 54 and the soil covering member 5
The mud on the outer front side of the soil covering member 57 is introduced into the inner side of the soil covering member 57 through the gap 58 between the front lower edges of the soil covering member 57 .

This introduced mud is guided rearward by the guide portion 59 of the soil covering member 570 and covers the seeds 60.

Furthermore, according to claim 2 of the present invention, when the seeds 60 are covered with soil by the soil covering member 57, the right side plate 56 of the seed guide 54 prevents the covering soil from escaping to the right side.

According to claim 3 of the present invention, when the water in the field is deep during direct seeding with hot water, the water on the front side of the float 22 is removed to the outside of the float 22 by the draining member 62.

(Embodiment) Hereinafter, a first embodiment of the present invention will be explained based on FIGS. 1 to 7.

FIG. 3 shows a flooded direct seeding machine 1, which has a body 5 consisting of an engine 2, a transmission case 3, a frame 4, etc., and wheel transmission cases 6 on both left and right sides of the mission case 3. One end of the transmission case 6 is vertically movable around a horizontal axis 7 in the left-right direction, and a wheel 8 is rotatably supported at the other end of the transmission case 6. Power from the engine 2 is transmitted to wheels 8 via a transmission case 3 and a transmission case 6.

The frame 4 extends rearward and upward, and a handle 9 is attached to the rear end thereof, and various operating levers such as a clutch lever 10 are attached to the handle 9.

A main float 11 is arranged below the fuselage 5 and between the wheels 8, the rear part of the float 11 is rotatably supported by the frame 4 via a support rod 12, and the front part of the main float 11 is supported via a link 13. It is suspended from the bottom of the fuselage 5.

A seeding device 14 is attached to the rear of the frame 4.

This seeding device 14 has a transmission case 15 in the center in the left and right direction.
The lower end of the transmission case 15 has a horizontal axis 1 in the front-rear direction.
It is supported by a bracket 17 attached to the frame 4 via a bracket 6 so as to be freely rotatable in the left and right directions. An upper tool bar 18 extending in the left-right direction is provided at the upper part of the transmission case 15, and a seed tank 2 is installed on the upper part of the seed dispensing section 19, which is attached to both ends of the tool bar 18.
0 is attached, and a chute 21 is installed at the bottom of the seed feeding section 19.
is installed. A lower tool bar extending in the left-right direction is also provided at the lower part of the transmission case 15, and a seeding float 22 is suspended from the tool bar.

The power of the engine 2 is transmitted to the transmission case 15 from the transmission case 3 via the transmission shaft 24, and the power is transmitted to the left and right feeding parts 19.

The submerged direct seeding machine 1 having the above configuration is provided with a lifting device 25 that allows the body 5 and the wheels 8 to move relative to each other up and down.

This lifting device 25 includes a cylinder 26, a link mechanism 27 that connects the cylinder 26 and the wheel transmission case 6,
a control device that controls the cylinder 26;
It mainly consists of a lift operation lever 29 and the like for operating a control device.

The cylinder 26 is a double-acting hydraulic cylinder, and its cylinder case is horizontally supported in the front-rear direction at the rear of the transmission case 3, and the piston rod 30 extends rearward.

The link mechanism 27 interlocks and connects the piston rod 30 and a bracket 31 provided in an upwardly projecting manner at the front upper part of the wheel transmission case 6.
It consists of a swing arm 32 that is rotatably supported around a vertical axis at the rear end, and a connecting rod 33 that connects the arm 32 and the bracket 31.

When the rod 30 of the hydraulic cylinder 26 extends rearward in FIG. will increase relatively.

Since the left and right transmission cases 6 are connected via the swing arm 32, they can move relative to each other by a predetermined amount in opposite directions.

The control device controls the hydraulic cylinder 26, and as shown in FIG. 4, has a control shaft 34, to which an interlocking plate 35 is fixed.

An operating pin 36 is fixed to one end of the interlocking plate 35, and is movably inserted into a long hole 38 of the connecting body 37.

The connecting body 37 is connected to the lift operation lever 29 via a wire, and a spring 40 is provided in the connecting body 37 to bias the operating pin 36 toward the wire.

A spring 41 is also connected to the other end of the connecting plate 35, and the spring 41 biases one end of the interlocking plate 35 toward the spring 40 side.

Reference numeral 42 denotes a motion rod, which is installed along the hydraulic cylinder 26 and whose one end is pivotally connected to the other end of the interlocking plate 35 .

A serrated tooth portion 43 is formed at the other end of the interlocking rod 42 .

A bracket 44 is fixed to the piston 30 of the hydraulic cylinder 26, and a solenoid 45 is fixed to the bracket 44. When the solenoid 45 is activated, the interlocking pin 46 protrudes and engages with the teeth 43 of the interlocking rod 42. The interlocking rod 42 and the piston rod 30 are removably engaged, and the interlocking rod 42 and the piston rod 30 interlock.

As shown in FIG. 5, the elevating operating lever 29 is inserted into a guide groove 48 of a guide plate 47, and a switch for operating a solenoid 45 is provided at the ascending end of the operating range of the elevating operating lever 29. 49 are provided.

Therefore, when turning the headland of the flooded direct seeding machine 1, the lifting operation lever 2
When the switch 49 is activated at the same time as the switch 9 is moved upward, the connecting body 37 is pulled through the wire, and the spring 4
0, the control shaft 34 is rotated via the operating pin 36 and the interlocking plate 35, and thereby the hydraulic cylinder 2
6 extends and the aircraft 5 rises.

Further, the solenoid 45 is actuated by the operation of the switch 49, and the interlocking pin 46 engages with the teeth 43 of the interlocking rod 42, thereby causing the hydraulic cylinder 26 to move through the interlocking rod 42 in accordance with the extension of the hydraulic cylinder 26. , the interlocking plate 35 is rotated toward the neutral position, and when the body 5 rises by a predetermined amount, the rise stops.

Therefore, it is easy to raise the aircraft 5 by the necessary amount and make a headland turn.

By the way, as shown in FIGS. 1 and 2, the float 2
A notch 51 that opens rearward is formed in the center of the rear part of the float 22 in the left-right direction, and a groove maker 52 is formed in the center of the front bottom of the float 22 in the left-right direction and connected to the cut-out 51 in front of the cutout 51. A seeding groove 53 is formed by this groove creator 52.

54 is a seed guide located within the notch 51;
1, and is connected to the groove creator 52 at the rear thereof, and has a front plate 55 and a pair of left and right side plates 56, and the lower ends of each plate 55 and 56 are arranged in the vertical direction. It is set at the same position as the lower end of the groove maker 52.

The length of each side plate 56 in the front-rear direction is approximately 1 that of the notch 51.
/2, and the lower part of the chute 21 is inserted into the seed guide 54.

Reference numeral 57 denotes a plate-shaped soil covering member, the front part of which is fixed to the outer surface of the side plate 56 on one side of the seed guide 54 and extends rearward, and the lower edge of the front part of the soil covering member 57 is raised in front. It is said that
A gap 58 is formed between this lower edge and the outer surface of the side plate 56 of the seed guide 54 for introducing the mud from the front outer side of the soil covering member 57 into the inner side of the soil covering member 57.

Further, the rear part of the soil covering member 57 is used as a guide part 59, and the rear part of the guiding part 59 is twisted so as to move inward as it moves to the upper end, so that it can be introduced inside the soil covering member 57. The mud is guided backwards and rolled up to cover the seeds 60.

According to the embodiment configured as described above, when direct sowing is carried out using the flooded direct sowing machine 1 in a paddy field, the flooded direct sowing machine 1 is driven and the feeding section 19 is driven.

As a result, the furrower 52 forms a seeding groove 53, and as shown in FIG. Seeds 6 from the feeding section 19 through the chute 21
0 is rolled out.

Then, from the gap 58 between the outer surface of the side plate 56 of the seed guide 54 and the front lower edge of the soil covering member 57,
The mud on the outside of the front portion is introduced into the inside of the soil covering member 57.

The introduced mud is guided rearward by the chamber 59 of the soil covering member 57 and rolled up to cover the seeds 60 as shown in FIG.

As described above, in the embodiment, since the soil covering member 57 is connected to the seed guide 54 at the rear thereof, the time required for the delivered seeds 60 to be covered with soil can be shortened.

Therefore, even if there are irregularities on the tiller or mud surface of the paddy field, the amount by which the submerged direct sowing machine 1 and the float 22 move in the left and right direction during the above-mentioned time is small, and the delivered seeds 60 are covered with soil well. can be done.

In addition, the soil covering member 57 guides the mud introduced inward from the gap 5 to the rear and rolls it up to cover the seeds 60 from above, so that the soil covering and the inner surface of the seeding groove 53 are not in close contact with each other, and the gap between the two is prevented. Since a space is easily created between the seeds 60, the air permeability to the seeds 60 is good, and germination and seedling establishment can be promoted.

8 to 10 show a second embodiment of the present invention, in which the right side plate 56 of the seed guide 54 is thicker (extended) rearward than the left side plate 56, and the rear end is covered with soil in the front-rear direction. It is located at the same position as the rear end of the member 57.

Therefore, when covering the seeds 60 with the soil covering member 57,
As shown in FIG. 10, the right side plate 56 of the seed guide 54 prevents the covering soil from escaping to the right, so that covering with soil can be performed satisfactorily.

11 and 12 show a third embodiment of the present invention, in which a float 22 is provided with a draining member 62 for removing water from the front side of the float 22 to the outside of the float 22.

The draining member 62 includes a U-shaped plate-shaped main body 63 that is erected, and a pair of left and right brackets 64 that protrude inward from both left and right sides of the main body 63.

The vehicle body 63 is installed along the front surface and both left and right sides of the float 22, and its lower end is located 2 to 3 degrees below the bottom surface of the float 22.
It is about 3 cm higher than the float 22 and protrudes rearward than the float 22.

The bracket 64 is detachably attached to the upper surface of both left and right sides of the float 22 with bolts 65.

According to the embodiment configured as above, during direct sowing by flooding,
Even if the water in the field is deep, the water in front of the float 22 that is at a height of 2 to 3 cIn or more above the mud surface is removed to the outside of the float 22 by the draining member 62, so the seed guide A large amount of water does not enter into the inside of the seed guide 54, and therefore, the delivered seeds 60 are not disturbed greatly by the water that has entered into the seed guide 54, and therefore, the seeds 60 can be sown at approximately a predetermined position.

(Effects of the Invention) As described in detail above, according to the present invention, seeding work can be performed satisfactorily without being influenced by the conditions of the paddy field.

In particular, according to claim 1 of the present invention, even if there are irregularities on the tiller or mud surface of a paddy field, the fed seeds can be covered with soil well.

Further, according to claim 2 of the present invention, the soil covering the seeds is further thickened by the soil covering member to the side opposite to the soil covering member (escaping can be prevented), and furthermore, the seeds can be covered with soil well.

Furthermore, according to claim 3 of the present invention, even when the water in the paddy field is deep, a large amount of water does not enter into the seed guide.
Therefore, the dispensed seeds can be sown at substantially predetermined positions without being significantly disturbed by water that has entered the sowing guide.

[Brief explanation of the drawing]

1 to 7 show a first embodiment of the present invention, in which FIG. 1 is a vertical cross-sectional view of the main part, FIG. 2 is a plan view of the same, FIGS. 3 and 3 are overall side views, and FIG. is a partial side view of the lifting device, FIG. 5 is a plan view of the guide plate, etc., FIGS. 6 and 7 are explanatory diagrams showing the working situation, and FIGS. 8 to 10 are diagrams of the present invention. 8 is a vertical sectional view of the main part, FIG. 9 is a plan view of the same, FIG. 10 is an explanatory diagram showing the working situation, and FIGS. 11 and 12 are the third embodiment of the present invention. An embodiment is shown, with FIG. 11 being a side view of the main part, and FIG. 12 being a plan view thereof. DESCRIPTION OF SYMBOLS 1... Flooded direct seeding machine, 5... Machine body, 51... Notch part, 52... Furrow cutter, 53... Seeding groove, 54... Seed guide, 55... Front plate , 56... side plate, 57...
・Soil covering member, 58... Gap, 59... Guide part, 60
... Seed, 62... Draining member. Patent applicant Kubota Iron Works Co., Ltd. Figure 9 Figure 71 Figure 72

Claims (3)

[Claims] (1) A notch 51 that opens rearward is formed in the float 22, and a groove creator 52 is provided on the bottom surface of the float 22 and is disposed in front of the notch 51 and forms a seeding groove 53.
A seed guide 54 that guides the seeds 60 to the sowing groove 53 is disposed behind the furrower 52, and the seed guide 54 is connected to the notch 5.
It has a pair of left and right side plates 56 located within the
The lower end is located at approximately the same position as the lower end of the furrower 52 in the vertical direction, and the float 22 is equipped with a soil covering member 57 that covers the seeds 60 fed into the seeding furrow 53, and the side plate of the seed guide 54. A soil covering member 57 extends rearward from the outer surface of the seed guide 54 and covers mud on the outer side of the front portion of the soil covering member 57 between the outer surface of the side plate 56 of the seed guide 54 and the lower edge of the front portion of the soil covering member 57. Gap 58 to be introduced inwardly
A float device for a submerged direct sowing machine characterized in that a rear part of the soil covering member 57 serves as a guide portion 59 that guides the introduced mud and covers the seeds 60. (2) The soil covering member 57 is attached to the side plate 56 on one side of the seed guide 54.
The side plate 56 on the other side of the seed guide 54 is extended further rearward than the side plate 56 on one side, and its rear end is located at approximately the same position as the rear end of the soil covering member 57 in the front-rear direction. A float device for a submerged direct seeding machine according to claim 1, characterized in that: (3) The float 22 is formed with a notch 51 that opens rearward, and the bottom surface of the float 22 is provided with a groove creator 52 that is disposed in front of the notch 51 and forms a seeding groove 53;
A seed guide 54 that guides the seeds 60 to the sowing groove 53 is disposed behind the furrower 52, and the seed guide 54 is connected to the notch 5.
It has a pair of left and right side plates 56 located within the
The lower end is at approximately the same position as the lower end of the furrower 52 in the vertical direction, and the float 22 is provided with a soil covering member 57 for covering the seeds 60 fed into the seeding furrow 53. 22 and along both left and right sides thereof, draining members 62 are provided in an upright manner to remove water from the front side of the float 22 in the field to the outside of the float 22 during work. Machine float device.