JP5408182B2 - Agricultural machine - Google Patents

Description

  The present invention relates to an agricultural machine that transplants seedlings such as vegetables.

As a seedling transplanting machine for vegetable seedlings, there is a configuration in which seedlings are planted in a cocoon while propelling the machine body with a traveling propulsion body such as a wheel that runs on both sides of the cocoon (see Patent Document 1) .

JP 2003-38008 A

  Although the conventional seedling transplanting machine described in Patent Document 1 is a riding type, the operator must cover the seedling after planting the seedling, the seedling planting operation is troublesome, and the covering soil is There was a risk of becoming insufficient.

  Therefore, an object of the present invention is to provide an agricultural machine capable of performing not only seedling transplanting work in a boarding state but also sufficient covering soil after seedling planting.

According to the first aspect of the present invention, a working space portion (S) that communicates with the upper surface of the collar (U) is formed in the riding portion provided between the front and rear wheels (6, 9; 36, 38), and the engine (2 , 32), the power of the engine (2, 32) is transmitted to the rear wheels (6, 36), the seat (10, 40) is provided behind the work space (S), and the seat (10 , 40) to the front wheels (9, 38) and the front part of the airframe frame (7, 37) is configured by a rectangular frame, and the seedlings (U) after planting seedlings below the seats (10, 40) A covering ring (18, 48) for covering the soil is arranged, and a step (14) for placing a rider's foot on the rectangular frame is provided , and a groove cutting rod (27) for forming a groove for seedling planting is provided . , Provided in front of the cover ring (18, 48) and in the rectangular frame, the power from the engine (2, 32) The structure is transmitted to the cover ring (18, 48) through the support (16, 46), and the cover ring (18, 48) is moved downward by the rotation of the traveling chain case (16, 46), and the aircraft is lifted. A rotating brush-shaped scraper (24, 60) that removes mud adhering to the earthen ring (18, 48) is provided in the traveling chain case (16, 46) and from the traveling chain case (16, 46). It was set as the farm work machine characterized by having set it as the structure driven by power transmission .

According to the second aspect of the present invention , a working space (S) that communicates with the upper surface of the eave (U) is formed in the riding portion provided between the front and rear wheels (6, 9; 36, 38), and the engine (2 , 32), the power of the engine (2, 32) is transmitted to the rear wheels (6, 36), the seat (10, 40) is provided behind the work space (S), and the seat (10 , 40) to the front wheels (9, 38) and the front part of the airframe frame (7, 37) is configured by a rectangular frame, and the seedlings (U) after planting seedlings below the seats (10, 40) A covering ring (18, 48) for covering the soil is arranged, and a step (14) for placing a rider's foot on the rectangular frame is provided, and a groove cutting rod (27) for forming a groove for seedling planting is provided. , Provided in front of the cover ring (18, 48) and in the rectangular frame, and provided with a marker (28) on the upper end of the groove rod (27) The power from the engine (2, 32) is transmitted to the cover ring (18, 48) via the travel chain case (16, 46), and the cover ring ( 18, 48) is configured to move up and down, the sensor frame (23) is provided in the body frame (7), and the scaled plate (26) is provided as a guideline between the plants for seedling planting in step (14). A farm working machine characterized by

According to the first and second aspects of the present invention, the weight of the operator sitting on the seat (10, 40) is likely to act on the cover ring (18, 48), and the soil covering of the field after seedling planting is sufficiently performed. In addition, it is possible to obtain a farming machine that can be surely performed, saves the operator from covering soil, and has good seedling planting workability. Moreover, after planting a seedling in the groove | channel formed in the ridge (U) by the groove cutting rod (27) by the advance of a body by human power, it can be covered with a soil covering ring (18, 48).

According to the first aspect of the present invention, the pressing force of the cover ring (18, 48) can be adjusted by moving the cover ring (18, 48) up and down, and the level of the seat (10, 40) can be adjusted. At the same time, the aircraft can be lifted and turned. Further, the scraper (24, 60) can always remove mud adhering to the soil covering ring (18, 48).

According to the second aspect of the present invention, the pressing force of the cover ring (18, 48) can be adjusted by moving the cover ring (18, 48) up and down, and the distance between the machine body and the field can be adjusted by the sensor plate (23). The aircraft can be tilted back and forth and the level of the seat (10, 40) can be adjusted while judging whether it is appropriate. Furthermore, the standard between the seedling planting stocks can be easily determined by the scaled plate (26). Therefore, the seedling can be planted efficiently while maintaining the seedling planting accuracy.

It is a left view of the agricultural machine of one Example of this invention. It is a top view of FIG. It is a left view of the agricultural machine of one Example of this invention. FIG. 4 is a plan view of FIG. 3.

An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a side view of a riding-type farm work machine 1 according to the present embodiment, and FIG. 2 is a plan view of the farm work machine 1 of FIG.
This agricultural machine 1 can be used for transplanting vegetable seedlings. The farm machine 1 has a transmission case 3 and a fuel tank 5 that mainly house an engine 2 and a transmission as a driving source at the rear, and the transmission case 3 is connected to a pair of left and right rear wheels 6 and 6 as a traveling propulsion body. Power is transmitted from the internal transmission.

  Further, the body frame 7 supports the rotating shaft portions 9 a and 9 a; 6 a and 6 a of the pair of front wheels 9 and 9 and the pair of rear wheels 6 and 6, and a seat 10 is provided at the center of the body frame 7. . In addition, a pair of handle support arms 11 and 11 whose bases are supported by the rotating shafts 6a and 6a of the rear wheels 6 and 6 are provided obliquely rearward. Handles 12, 12 capable of attaching both hands are connected to the rear ends of the pair of handle support arms 11, 11.

The rear of the body frame 7 is connected to the mission case 3, but a rectangular frame is formed between the pair of front wheels 9 from the lower side of the seat 10.
Further, steps 14 and 14 for placing the feet of the rider on the front side of the seat 10 below the body frame 7 and inside the rectangular portion of the body frame 7 are arranged.

  An operator seated on the seat 10 can work in the work space S in front of the seat 10 by placing both feet on the steps 14 and 14. A certain amount of seedlings can be placed on a seedling platform 15 provided above the pair of front wheels 9, and a small amount of seedlings can be placed on the left and right seedling platforms 15 provided on the body frame 7 in the work space S. it can. In addition, a seedling container 13 for storing spare seedlings is provided above the fuel tank 5.

  The farm work machine 1 is such that the front wheels 9 and 9 and the rear wheels 6 and 6 travel so as to straddle the ridge U in the field, put their feet on the left and right steps 14 and 14, and sit on the seat 10 The seedlings on the seedling stand 15 are taken out and the seedlings are planted from the work space S to the upper surface of the ridge U.

  Further, since the left and right steps 14 and 14 are arranged between the front wheels 9 and 9 and the rear wheels 6 and 6, the bottom of the groove between the flanges U through which the front and rear wheels 9 and 6 pass is as low as possible. It is possible to set up to a position close to.

  Further, the left and right ends of the mission case 3 are respectively provided with rear end portions of travel chain cases 16 and 16 that can rotate with respect to the case 3. A pair of earthen rings 18, 18 driven by the traveling chain in the cases 16, 16 are provided at the front ends of the left and right traveling chain cases 16, 16.

Groove rods 27 for planting seedlings are attached in the vertical direction to the left and right central portions of the rectangular portion in front of the body frame 7. A marker 28 is provided on the upper end of the groove rod 27. Since the grooving rod 27 is supported by the body frame 7 in front of the covering rings 18, 18, seedlings are manually planted in the groove formed by the grooving rod 27 on the heel U by the advance of the body, The soil can be covered with the rings 18 and 18.

  Further, by rotating the traveling chain cases 16 and 16 around the rear ends of the traveling chain cases 16 and 16, the covering rings 18 and 18 can be rotated in the vertical direction. The mechanism is such that the hydraulic cylinders 20, 20 provided below the transmission cases 3, 3 push and pull the arms 21, 21 provided so that the piston rods 20 a, 20 a can rotate on the rear wheel rotation shaft 6 a. This is done by moving the traveling chain cases 16 and 16 integrated with the arms 21 and 21 up and down.

  Further, when turning the agricultural machine 1, if the traveling chain cases 16, 16 are turned around the rear end portion so as to move the cover ring 18 downward, the machine body is floated and can be turned. Further, the pressing force of the cover rings 18, 18 on the field can be adjusted by the hydraulic cylinders 20, 20 via the traveling chain cases 16, 16.

  Further, it is possible to determine whether or not the distance between the machine body and the field is appropriate by the sensor plate 23 having the front end supported by the machine body frame 7, and the hydraulic cylinders 20, 20 adjust the pressing force of the covering rings 18, 18 against the field. By doing so, it is possible to adjust the level of the seat 10 on the body frame 7 and to tilt the seat 10 back and forth.

  Further, rotary brush-shaped scrapers 24, 24 are arranged at positions that are always in contact with the earth covering rings 18, 18. The scrapers 24 and 24 are also transmitted with power from the traveling chain in the traveling chain cases 16 and 16. In this way, mud adhering to the covering rings 18, 18 can be always removed with the rotating brush of the scrapers 24, 24.

  In addition, the scrapers 24 and 24 can adjust the position in the left-right direction according to the position of the cover rings 18, 18 so as to always contact the cover rings 18, 18 even if the seedling planting position is changed to the left and right. .

  Furthermore, a plate 26 with a scale in the front-rear direction is attached to either the left or right step 14, 14 so that the reference between the stocks at the time of seedling planting can be easily determined with the plate 26 with a scale. .

The above-mentioned scaled plate 26, grooved rod 27, and marker 28 can efficiently plant seedlings while maintaining the planting accuracy of the seedlings.
Another embodiment of the present invention will be described with reference to the drawings. FIG. 3 is a side view of the riding-type farm work machine 31 of the present embodiment, and FIG. 4 is a plan view of the farm work machine 31 of FIG.

  This agricultural machine 31 can be used for transplanting vegetable seedlings. The farm work machine 31 has a transmission case 33 and a fuel tank 35 which mainly store an engine 32 and a transmission as a drive source at the rear, and a transmission case 33 on a pair of left and right drive wheels 36 and 36 as a traveling propulsion body. Power is transmitted from the internal transmission.

  Further, the body frame 37 supports the rotating shaft portions 38a, 38a; 36a, 36a of the pair of driven wheels 38, 38 and the pair of driving wheels 36, 36. A crawler 39 is mounted between drive wheels 36, 36 on the rear side of the machine body and driven wheels 38, 38 on the front side of the machine body.

  In addition, a pair of seats 40 and 40 are provided in front of and behind the body frame 37. A pair of auxiliary wheels 41, 41 are arranged below the seats 40, 40, and a crawler 39 is provided between the auxiliary wheels 41, 41 and the drive wheels 36, 36 and between the auxiliary wheels 41, 41 and the driven wheels 38, 38. Set up a trajectory. Covers 41 a and 41 a are provided above the auxiliary wheels 41 and 41.

  Thus, since the crawler 39 is below the seat 40 between the auxiliary wheels 41 and 41 arranged one by one in front and rear, the operator can be prevented from contacting the crawler 39 and it is safe.

  Further, a pair of handle support arms 42, 42 whose base portions are supported by the rotation shaft portions 36a, 36a of the drive wheels 36, 36 are provided obliquely rearward. Handles 43, 43 capable of attaching both hands are connected to the rear ends of the pair of handle support arms 42, 42.

The rear of the body frame 37 is connected to the transmission case 33, but a lower part of the seat 40 and a pair of driven wheels 38, 38 are constituted by a rectangular frame (not shown).
Further, steps 44 and 44 for placing the rider's feet on the lower inner side of the body frame 37 between the seats 40 and 40 are arranged.

  An operator seated in the seats 40 and 40 can work in the work space portion S between the seats 40 and 40 by placing his / her feet on the steps 44 and 44 respectively. In the work space S, seedlings on the seedling platforms 45 and 45 provided on the machine frame 37 can be handled.

  In the agricultural machine 31, the left and right crawlers 39 travel so as to straddle the ridge U in the field, and the operator who sits on the seat 40 with his / her feet on the step 40 remains on the seedling platform 45 in that state. After the seedling is taken out, the seedling is planted on the upper surface of the ridge U from the work space S.

Steps 44 and 44 can be set to a position between the crawlers 39 and 39 that is lower than the upper surface of the ridge U and as close as possible to the bottom of the ridge groove through which the crawlers 39 and 39 pass.
Further, traveling chain cases 46, 46 that are rotatable with respect to the case 33 are provided at the left and right ends of the transmission case 33, respectively. A pair of earthen rings 48, 48 driven by the traveling chain in the cases 46, 46 are provided at the front ends of the left and right traveling chain cases 46, 46. Therefore, the earthen rings 48, 48 can be rotated in the vertical direction by rotating the traveling chain cases 46, 46 around the rear ends of the traveling chain cases 46, 46. The hydraulic cylinders 50, 50 provided at the lower part of the transmission cases 33, 33 push and pull the arms 51, 51 provided so that the piston rods 50 a, 50 a can rotate on the drive wheel rotation shaft 36 a, thereby the arms 51, The traveling chain cases 46 and 46 integral with the 51 are rotated integrally.

When the farm work machine 31 is turned, if the traveling chain cases 46 and 46 are rotated so as to move the pair of soil covering rings 48 and 48 downward, the machine body floats and can turn.
Further, it is also possible to adjust the pressing force of the covering rings 48, 48 on the field through the traveling chain cases 46, 46 by the hydraulic cylinders 50, 50.

  Further, a front end portion of a traveling chain case 53 that is rotatable with respect to the rotation shaft portion 38 a of the driven wheel 38 is provided, and a plate-like shape that is driven by the traveling chain in the case 53 is provided at the rear end portion of the traveling chain case 53. The groove ring 55 is provided at the center of the fuselage. Accordingly, the grooved ring 55 can be rotated in the vertical direction by rotating the traveling chain case 53 around the front end of the traveling chain case 53.

  The hydraulic cylinder 56 provided near the front end of the machine body frame 37 pushes and pulls the arm 57 provided so that the piston rod 56a can be rotated on the driven wheel rotation shaft 38a, so that the traveling chain integral with the arm 57 is obtained. By rotating the case 53 integrally, the pressing force of the grooved wheel 55 to the field can be adjusted.

  Further, the horizontal pressure of the seats 40, 40 on the body frame 37 can be adjusted by adjusting the pressing force of the covering rings 48, 48 and the groove ring 55 with respect to the field by the hydraulic cylinders 50, 50; It can also be tilted.

  Further, when the farm work machine 31 travels on the road, if the traveling chain cases 46, 46; 53 are rotated so as to move the covering rings 48, 48 and the grooved ring 55 downward, the machine body floats and the covering rings 48, 48 are moved. It is possible to travel with the groove 55.

  Further, rotary brush-shaped scrapers 60, 60 are arranged at positions that are always in contact with the cover rings 48, 48. The scrapers 60, 60 are also transmitted power from the traveling chain in the traveling chain cases 46, 46. In this way, the mud adhering to the soil covering rings 48, 48 can always be removed with the rotating brush of the scrapers 60, 60.

  The scrapers 60 and 60 are composed of brushes that rotate in conjunction with the driving of the crawlers 39 and 39, so that the crawlers 39 and 39 are always in contact with the crawlers 39 and 39 according to the positions of the crawlers 39 and 39 to adjust the tread. The position can be adjusted.

  The present invention is highly applicable as an agricultural machine that reduces heavy labor.

DESCRIPTION OF SYMBOLS 1,31 Agricultural work machine 2,32 Engine 3,33 Mission case 5,35 Fuel tank 6,36 Rear wheel 6a, 6a Rear wheel rotating shaft part 7,37 Airframe frame 9,38 Front wheel 9a, 9a Front wheel rotating shaft part 10, 40 Seats 11 and 42 Handle support arms 12 and 43 Handles 13 Seedling containers 14 and 44 Steps 15 and 45 Seedling platforms 16, 46 and 53 Traveling chain cases 18 and 48 Clad ring 20, 50 and 56 Hydraulic cylinders 20a, 50a and 56a Piston rods 21, 51, 57 Arm 23 Sensor plate 24, 60 Scraper 26 Scaled plate 27 Grooving rod 28 Marker 36 Drive wheel 38 Drive wheel 36a Drive wheel rotary shaft 38a Drive wheel rotary shaft 39 Crawler 41 Auxiliary wheel 41a Auxiliary Ring cover 55 Groove ring S Work space U 畝

Claims (2)

A working space (S) communicating with the upper surface of the eaves (U) is formed in the riding portion provided between the front and rear wheels (6, 9; 36, 38), and the engine (2, 32) is provided in the rear portion. 2, 32) is transmitted to the rear wheels (6, 36), a seat (10, 40) is provided behind the work space (S), and the front wheels (9, 40) are provided from the seat (10, 40). 38), the front part of the machine body frame (7, 37) is formed of a rectangular frame, and a cover ring (18) for covering the cocoon (U) after planting seedlings below the seat (10, 40). , 48), and a step (14) for placing a rider's foot on the rectangular frame, and a grooved rod (27) for forming a groove for planting seedlings, and a covering ring (18, 48). In front of the vehicle and in a rectangular frame, the power from the engine (2, 32) is passed through the travel chain case (16, 46). To the cover ring (18, 48), and the structure is such that the cover ring (18, 48) can be moved down by the rotation of the traveling chain case (16, 46) to float the aircraft. The rotating brush-like scraper (24, 60) for removing mud adhering to the 18, 48) is provided in the traveling chain case (16, 46) and driven by transmission from the traveling chain case (16, 46) . Agricultural machine characterized by that. A working space (S) communicating with the upper surface of the eaves (U) is formed in the riding portion provided between the front and rear wheels (6, 9; 36, 38), and the engine (2, 32) is provided in the rear portion. 2, 32) is transmitted to the rear wheels (6, 36), a seat (10, 40) is provided behind the work space (S), and the front wheels (9, 40) are provided from the seat (10, 40). 38), the front part of the machine body frame (7, 37) is formed of a rectangular frame, and a cover ring (18) for covering the cocoon (U) after planting seedlings below the seat (10, 40). , 48), and a step (14) for placing a rider's foot on the rectangular frame, and a grooved rod (27) for forming a groove for planting seedlings, and a covering ring (18, 48). Is provided in front of the rectangular frame, and a marker (28) is provided on the upper end of the groove rod (27), and the engine (2, 32). Power is transmitted to the cover ring (18, 48) via the travel chain case (16, 46), and the cover ring (18, 48) is moved up and down by the rotation of the travel chain case (16, 46). Agricultural working machine characterized in that the machine frame (7) is provided with a sensor plate (23), and the step (14) is provided with a scaled plate (26) which serves as a guideline between seedling planting stocks. .

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