JP2006325418A5 - - Google Patents

Description

Passenger rice transplanter with fertilizer

  TECHNICAL FIELD The present invention relates to a riding rice transplanter with a fertilizer application device that applies a granular material such as fertilizer to a farm field, and belongs to the technical field of agricultural machinery.

Conventionally, in a riding rice transplanter equipped with a fertilizer feeding device that feeds the granular fertilizer in the hopper by a feeding section provided below the fertilizer and conveys the fed granular fertilizer to the field by air. An air chamber having a configuration in which the air chamber is disposed in front of the fertilizer feed port of each strip is known (for example, see Patent Document 1).
JP 2004-81099 A

  According to such prior art, since the air chamber is located in front of the fertilizer feed outlet of each strip, the air chamber becomes in the way, and the fertilizer hopper and the fertilizer feed portion must be arranged at positions closer to the rear side of the aircraft. There was a problem that the front and rear length of the fuselage became long.

  An object of the present invention is to realize a compact riding rice transplanter with a fertilizer device that can achieve compactness without increasing the longitudinal length of the aircraft and maintain the stability of the aircraft with a low center of gravity.

In order to solve the above problems, the present invention has taken the following technical means.
That is, according to the present invention, the seedling planting part (4) is provided on the rear side of the traveling vehicle body (2) via the lifting link mechanism (3), and the seedling planting part (4) is a mat seedling. When the seedlings are reciprocated to the left and right and fed to the seedling outlet (30b) in each row, and all the seedlings in one horizontal row are supplied to the seedling outlet (30b), the seedlings are fed by the seedling feed belt (30c). A seedling tank (30) for transferring the seedlings downward, a seedling planting device (32) for cutting out one seedling with a planting tool (31) and planting it in the soil, and a center for leveling the seedling planting surface -Provided with a float (34) and a side float (35), provided a fertilizer (5) on the front side of the seedling tank (30) behind the driver seat (7) , the fertilizer (5) feeding from the hopper fertilizer fertilizer feeding unit in the (40) (41) fertilizer Repetitive outlet by (43), each row from the air chamber (45) Fertilizer Repetitive supplying pressure air to the outlet (43), a configuration you transfer a fertilizer backward fertilizer transfer hose (44), seedlings feed arm (37) to the lower front side of the seedlings tank (30) and fertilizers transfer hose ( 44), and the fertilizer transfer hose (44) is overlapped with the seedling feeding arm (37) in a side view when the seedling is fed, and a riding rice transplanter with a fertilizer is provided.
According to a second aspect of the present invention, a lid (40a) that can be opened and closed is provided at the top of the hopper (40), and the lid (40a) is opened and closed on the front side of the hopper with the horizontal axis (Q) as a fulcrum. It is set as the riding rice transplanter with a fertilizer application apparatus of Claim 1.

Moreover, this invention of Claim 3 provides an air chamber (45) in the back side from the feed outlet (43) of the fertilizer feed part (41) of each row | line, and a bending pipe (46) is provided from the air chamber (45). It is set as the riding rice transplanter with a fertilizer application of Claim 1 or Claim 2 which was set as the structure which supplies a pressure wind to the fertilizer delivery opening | mouth (43) of each strip | line through the front side.

According to the first aspect of the present invention, the fertilizer transfer hose (44) can be brought as close as possible to the seedling tank (30) side while avoiding interference between the fertilizer transfer hose (44) and the seedling feeding arm (37). it can.
According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the lid (40a) can be prevented from interfering with the rear seedling tank (30).
According to invention of Claim 3, in addition to the effect of invention of Claim 1 or Claim 2 , since an air chamber (45) is located in the rear side from the fertilizer feed opening (43) of each strip | line, The fertilizer hopper (40) and the fertilizer feeding part (41) can be arranged at the front side of the machine body without being disturbed as in the case where the air chamber is on the front side. (30) can be arranged at a position that does not interfere with the aircraft, and the length of the airframe can be shortened to achieve compactness. Further, the air chamber (45) can be positioned rearward of the rear end of the vehicle body cover (9) and can be disposed at a lower position than the vehicle body cover. It was possible to implement a stable rice paddy with small fertilizer.

An embodiment of the present invention will be described with reference to the drawings.
1 and 2, it shows a riding type rice planting machine 1 provided with a fertilization system, the riding rice transplanter 1, seedling planting of Article 4 plant via a lifting link mechanism 3 to the rear side of the vehicle body 2 Attached portion 4 is equipped to be movable up and down, and a main body portion of fertilizer applicator 5 is provided on the upper rear side of traveling vehicle body 2.

In the traveling vehicle body 2, a pair of left and right front wheels 10 and 10 and rear wheels 11 and 11 are installed as traveling wheels, and a mission case 12 is disposed in the front part of the airframe.
Rotational power from the engine E as a prime mover is transmitted to the mission in the mission case 12 via the belt transmission mechanism 20. The rotational power transmitted to the mission in the case is shifted by the transmission in the case 12, and then separated into the traveling power and the external extraction power. The traveling power drives the front wheels 10 and 10 and the rear wheels 11 and 11. In addition, the external extraction power is transmitted to the seedling planting unit 4 and the fertilizer application device 5. Reference numeral 14 denotes an air cleaner for the engine E.

  The upper part of the engine E is covered with a vehicle body cover 9, and a driver's seat 7 is installed above it. A front cover 21 and an operation box 22 having various operation mechanisms are installed in front of the driver's seat 7, and a steering handle 8 for steering the left and right front wheels 10 and 10 is provided above the front cover 21 and the operation box 22. Horizontal floor steps 23 are formed on both lower ends of the body cover 9 and the front cover 21. The rear portion of the floor step 23 is a rear step 24 that also serves as a fender for the rear wheel 11. Further, a boarding assist step 25 is provided at a portion corresponding to both sides of the driver's seat 7 slightly below the floor step 23, and a seedling replenishing step 26 for placing a foot when replenishing seedlings is opened in the rear step 24. Is provided. On the left and right sides of the front part of the traveling vehicle body 2, spare seedling platforms 27 on which supplementary seedlings are placed are installed.

  The seedling planting part 4 is configured to move up and down with respect to the airframe via a hydraulic lifting cylinder 6 and puts mat seedlings in a reciprocating direction to the left and right, so that seedlings are removed from the front plate 30a in each row. ,... And all the seedlings in the horizontal row are supplied to the seedling outlet 30b,... Seedling tank 30 for transferring seedlings downward by seedling feeding belt 30c,. 4 seedling planting devices 32 for taking and planting in the soil, a pair of left and right drawing markers 33, 33, a center float 34 and side floats 35, 35 for leveling the seedling planting surface, etc. It is set as the structure provided with. Reference numeral 36 denotes a front plate guard.

  The fertilizer application device 5 is provided in front of the seedling planting portion 4 and on both the left and right sides of the rear side of the driver's seat 7. The fertilizer in the hopper 40 for storing granular fertilizer is fed to the lower end of the feeding funnel 42 by the fertilizer feeding portions 41. The feed fertilizer is fed from the feed port 43 by a fixed amount, and the fed fertilizer is provided on the left and right sides of the floats 34, 35, 35 through the fertilizer transfer hoses 44, ... by air supplied from the blower 47. The fertilizer is transferred to the fertilizer guide and dropped into a fertilizer groove formed near the side of the seedling planting strip by a grooved body provided on the front side of the fertilizer guide. The blower 47 driven from the engine E through the driving belt 51 passes through the bent pipe 46 (46a, 46b, 46c, 46d) from the air chamber 45 that is generated by sucking in the suction port 48 from the air chamber 45 that is long in the left-right direction. Then, it is blown into the fertilizer transfer hose 44, and the fertilizer in the fertilizer transfer hose 44 is forcedly transferred to the fertilizer discharge port on the seedling planting part side.

  As shown in the figure, the hopper 40 is provided with a lid 40a that can be opened and closed at the top, and can be opened and closed on the front side of the hopper with the horizontal axis Q as a fulcrum to prevent interference with the rear seedling tank 30. It is said.

  The fertilizer feeding part 41 includes a feeding roll 55 for feeding the fertilizer in the hopper 40 downward, and this feeding roll is formed with a plurality of feeding grooves 56 into which the fertilizer enters the outer periphery. It is designed to be interlocked and rotated via the feed drive shaft 57. As the feed roll 55 rotates, the fertilizer dropped and supplied from the hopper 40 is accommodated in the groove 56 and conveyed downward, and is fed from the feed outlet 43 at the lower end of the feed funnel 42. On the front side of the feeding funnel 42, there are provided an outlet 58 for removing residual fertilizer and a swingable opening / closing lid 59 for opening and closing the outlet, and when opening, the rear lid 59 and the rear step of the rear wheel 11 ( Fenders) 24 are parallel to each other so that the fertilizer bag can be easily set and the recovery of the residual fertilizer is facilitated.

  Further, the feeding funnels 42 (42a, 42b and 42c, 42d) are arranged so as to be distributed substantially evenly on the left and right sides so as to straddle the left and right rear wheels 11, 11. The left and right feeding parts 41 and 41 on the left side of the driver's seat 7 and the left and right feeding parts 41 and 41 on the right side of the driver's seat 7 are firmly connected and held by the feeding part support frames 60 and 60, respectively. , 60 are connected to and supported by the vehicle body frame 13 via a bearing support stay 61 that also serves as the 57 bearing portion 61a.

  The air chamber 45 is disposed on the rear side of the feeding funnel 42 and is configured to be long in the horizontal direction. A front end of a bent pipe 46 communicating with the air chamber 45 is connected to the outlet 43 of the feed portion 41, and the end of the fertilizer transfer hose 44,... Is connected to the rear end of the bent pipe 46. . In the embodiment shown in FIG. 4, the air chamber 45 is interposed between the feeding funnels 42 b and 42 c on both the left and right sides of the driver's seat 7, and the air chamber and the feeding funnel are vertically wrapped. For this reason, it becomes possible to lower the ground height of a fertilizer application part and it becomes possible to comprise a fertilizer application with a low center of gravity. Further, by arranging the air chamber air outlets so that the lengths of the bent pipes 46a, 46b, 46c, 46d between the feeding funnels 42,. It is possible to prevent variation in air volume. Further, as shown in FIG. 5, the air chamber 45 is configured to extend laterally to the outer position of the feeding funnels 42a and 42d located on the outermost side, and from the air chamber 45 to the feeding funnels 42a, 42b, 42c and 42d. Even if the bent pipes 46a, 46b, 46c, and 46d are configured to communicate in a U-shaped curved state, the lengths of the bent pipes are the same, and variations in wind pressure can be minimized. Further, since the air chamber 45 is arranged at a position overlapping the hopper 40 in plan view on the rear side from the front end of the hopper 40, the front-rear width of the fertilizer application device 5 including the hopper 40, the feeding portion 41, and the air chamber 45 is increased. Reduction can be achieved.

  The blower 47 is provided below the fertilizer application 5 so as to be positioned behind the vehicle body cover 9 and arranged below the rear step 24. According to this, the width | variety of a fertilizer application becomes narrow and can be comprised compactly. In addition, the longitudinal length of the aircraft can be shortened. Furthermore, by setting the blower outlet to the upper side as shown in the figure, the blower pipe can be shortened and the blower efficiency can be increased. By setting the height of the blower suction port 48 from the ground to be close to the height of the suction port of the air cleaner 14 of the engine E, the center of gravity can be lowered as much as possible.

  Regarding the relationship between the seedling feeding arm 37 and the fertilizer transfer hose 44 installed on the lower front side of the seedling tank, conventionally, the seedling feeding arm is moved between the fertilizer transfer hoses, or when the seedling feeding operation is performed. However, the fertilizer transfer hose and the seedling feeding arm were not wrapped in the side view, but in this example, as shown in FIG. 9, the seedling feeding arm 37 and the fertilizer transfer were performed at times other than seedling feeding (when seedling feeding was not activated). The hose 44 does not wrap in side view (solid line (b) state), and the fertilizer transfer hose 44 wraps with the seedling feed arm 37 (virtual line (b) state) during seedling feeding (during seedling feeding operation). In the plan view, the seedling feeding is performed after the seedling feeding arm passes through the back of the fertilizer transfer hose, and the fertilizer transfer hose is placed on the seedling tank side while avoiding interference between the fertilizer transfer hose and the seedling feed arm. I can It is set to close configuration.

  In the embodiment shown in FIG. 10, in the arrangement relationship of the fertilizer transfer hose of the 4-row rice planter, the inner fertilizer transfer hoses 44 a and 44 a are arranged in front of the vertical frame 38 that supports the seedling tank 30, and The fertilizer transfer hoses 44b and 44b are located behind the vertical frame 38 and behind the rear wheels 11 and 11, respectively. In particular, by moving the outer transfer hose away from the rear wheel, the planting part can be brought closer to the main body side, so that the front-rear length of the airframe can be shortened and the front-rear balance can be improved.

  As shown in the drawing, the air vent lid 49 when the fertilizer is clogged provided in the fertilizer transfer hose 44 is configured so that the air vent lid 49 faces the rear side of the machine body on the inner fertilizer transfer hose 44a. The fertilizer transfer hose 44b has a structure in which the direction of the lid 49 is directed outward to facilitate maintenance work.

Side view of riding rice transplanter with fertilizer application Top view of Ueda transplanter Side view of essential parts of fertilizer application equipment Rear view of the main parts of a riding rice transplanter with fertilizer application Rear view of the main parts of a riding rice transplanter with fertilizer application Side view of essential parts of fertilizer application equipment Rear view of the main part Side view of main part of fertilizer application equipment Side view of the main part of the seedling planting part Side view of the main part of the seedling planting part

DESCRIPTION OF SYMBOLS 1 Riding type rice transplanter 4 Seedling planting part 5 Fertilizer 7 Driver's seat 9 Car body cover 30 Seedling tank 40 Hopper 41 Fertilizer feeding part 42 Feeding funnel 43 Feeding outlet 44 Fertilizer transfer hose 45 Air chamber 46 Bending pipe 47 Blower

Claims (3)

A seedling planting part (4) is provided on the rear side of the traveling vehicle body (2) via an elevating link mechanism (3). A seedling tank (30) that feeds seedlings downward by a seedling feeding belt (30c) when the seedlings are supplied to the seedling outlet (30b) in each row and all seedlings in a horizontal row are supplied to the seedling extraction outlet (30b). , A seedling planting device (32) for cutting out one seedling with a planting tool (31) and planting it in the soil, a center float (34) and a side float for leveling the seedling planting surface (35) , a fertilizer device (5) is provided on the front side of the seedling tank (30) on the rear side of the driver seat (7), and the fertilizer device (5) feeds the fertilizer in the hopper (40) with a fertilizer feed unit. feeding the fertilizer Repetitive outlet (43) by (41), supplying the pressure air from the air chamber (45) to each row of fertilizer Repetitive outlet (43) , A configuration you transfer a fertilizer backward fertilizer transfer hose (44), the lower front side to provide a seedling feed arm (37) and fertilizers transfer hose (44), fertilizer transport hose when feeding seedlings seedlings tank (30) A riding rice transplanter with a fertilizer application (44) configured to overlap with the seedling feeding arm (37) in a side view . The rider with a fertilizer applying device according to claim 1, wherein a lid (40a) that can be opened and closed is provided at an upper portion of the hopper (40), and the lid (40a) is opened and closed on the front side of the hopper with the horizontal axis (Q) as a fulcrum. Rice transplanter. An air chamber (45) is provided on the rear side from the feed outlet (43) of the fertilizer feed section (41) of each strip, and the fertilizer feed outlet (from the front side through the bent pipe (46) from the air chamber (45) ( 43. The riding rice transplanter with a fertilizer applicator according to claim 1 or 2, wherein compressed air is supplied to 43).