JP2006101787A - Farm working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a farm working machine which can perform tilling works in high working efficiency and has a downsizable implement. <P>SOLUTION: This farm working machine behind whose traveling truck an implement is liftably disposed is characterized in that the implement 10 has a rotary tilling portion 11 for tilling by the rotation of a rotary 18 and a fertilizer-applying portion 35 for injecting fertilizers or agrochemicals into soil, and the fertilizer-applying portion 35 is equipped with a tank 38 and a pump 40 disposed above the rotary 18 of the rotary tilling portion 11 and with a soil injection nozzle 53 disposed behind the rotary 18. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an agricultural work machine in which a working device is connected to the rear of a traveling machine body such as a tractor so that a tilling work and a standing work are simultaneously performed.

  Agricultural work equipment is connected to the rear of a traveling machine such as a tractor so that it can be raised and lowered. Agricultural working machines that improve efficiency are known (see, for example, Patent Document 1).

  In addition, a tilling work machine is connected to the rear part of the traveling machine body, and a tiller is attached to the tilling work machine so that the tilling work and the raising work can be performed simultaneously, and the difference in earth pressure received on both the left and right sides of the tiller Agricultural work machines are known that detect farming and automatically control the right and left tilt postures of the tillage work machine so that farm work can be performed according to the tilt of the cultivated land (see, for example, Patent Document 2). .

  In addition, the tilling work machine connected to the rear of the traveling machine body is provided with detection means for detecting the tilled ground, so that even if the hardness of the tilled ground changes, the tilling work machine is held at a set height and kept constant. Agricultural working machines are known that can perform tillage operations at a depth of (for example, see Patent Document 3).

  There is also known an agricultural work machine in which a material tank, a pump drive case, and the like are installed on a tilling work machine connected to the rear of the traveling machine body, so that the work of plowing and applying fertilizer or chemicals can be efficiently performed. (For example, see Patent Document 4).

  In addition, an agricultural working machine is known in which an application nozzle is arranged via a buffer support mechanism at the rear of a tilling work machine connected to the rear of the traveling machine body so that the application nozzle moves up and down due to the resistance of the soil. (For example, refer to Patent Document 5).

JP 2004-24039 A (page 3, FIG. 1) Japanese Patent Laying-Open No. 2004-24040 (page 5-7, FIG. 30) JP 2004-24041 A (6th page, FIG. 2) Japanese Patent Laying-Open No. 2003-61427 (page 4-5, FIG. 3) Japanese Patent Laying-Open No. 2003-61429 (page 3-4, FIG. 9)

  In the prior art, since various operations such as a tillage operation, a soil disinfection operation, and a fertilization operation are performed simultaneously, the working device may be enlarged.

  In view of the above circumstances, an object of the present invention is to provide an agricultural working machine provided with a working device that can perform agricultural work with high work efficiency and can be made compact.

In order to achieve the above object, the present invention according to claim 1 is an agricultural work machine provided with a working device so as to be movable up and down behind a traveling machine body.
The working device (10) has a rotary tillage part (11) and a soil disinfection part (35),
The soil disinfection unit (35) is disposed behind the rotary blade (18) and the tank (38) and pump (40) disposed above the rotary blade (18) of the rotary tillage unit (11). A submerged injection nozzle (53),
It is in the agricultural work machine characterized by this.

According to a second aspect of the present invention, the tank (38) includes a medicine tank (38b) and a dilution water tank (38a).
The pump (40) has a drug pump (40b) and a water pump (40a),
The medicine from the medicine tank (38b) is supplied to the mixing section (67) by the medicine pump (40b), and the water from the dilution water tank (38a) is supplied to the water pump (40a). Supply to the mixing unit (67) and inject the drug diluted in the mixing unit (67) into the soil from the nozzle (53),
It exists in the agricultural working machine of Claim 1.

  The reference numerals in the parentheses are for reference to the drawings and do not limit the present invention.

  According to the first aspect of the present invention, tillage work and soil disinfection can be performed at the same time, and farm work can be performed with a high work effect. Moreover, since a chemical | drug | medicine is inject | poured into the soil softened by the cultivation work from a nozzle, soil disinfection can be performed with high efficiency. Furthermore, the work apparatus can be made compact by disposing the tank and the pump above the rotary blade and disposing the nozzle behind the rotary blade.

  According to the second aspect of the present invention, the medicine tank and pump, the dilution water tank and pump are provided, and the medicine is diluted by the mixing unit and injected into the soil from the nozzle. A large area can be disinfected by replenishment.

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

  FIG. 1 to FIG. 5 show a first embodiment of the present invention. FIG. 1 is a side view of a working device connected to a traveling machine body, FIG. 2 is a plan view of the working device, and FIG. FIG. 4 is a plan view showing the transmission system to the pump, and FIG. 5 is a piping system diagram from the tank to the nozzle.

  As shown in FIG. 1, a traveling machine body 1 such as a tractor has an elevating link mechanism 5 disposed so as to protrude rearward from a rear part of a machine body 3 supported by a front wheel (not shown) and a rear wheel 2. The working device 10 is connected via the lifting link mechanism 5. The elevating link mechanism 5 includes a top link 6 and a lower link 7 for connecting the work device 10. In FIG. 1, a state where the lower link 7 and the work device 10 are connected is displayed.

  The working device 10 includes a rotary tillage part (cultivation work part) 11, a tread forming part 30, and a fertilizer part (soil disinfection part) 35. The cultivator crushing part 25 is arranged between them. The fertilizer 35 is a fertilizer when the material to be injected into the soil is a fertilizer, and is a soil disinfectant when the material to be injected into the soil is a disinfectant. This will be described as a fertilizer 35 in which the material is fertilizer.

  As shown in FIGS. 1 and 2, the rotary tiller 11 includes a top link connecting frame 12 connected to the top link 6 and a work machine frame 15 including a lower link connecting frame 13 connected to the lower link 7. And a transmission case 16 that is disposed on the work machine frame 15 and receives power transmission from the traveling machine body 1 side, and a rotary shaft 17 that is rotatably supported by the transmission case. A plurality of claw holders (not shown) are fixed to the outer peripheral portion of the rotary shaft 17, and a plurality of tilling claws (not shown) are detachably attached to the claw holder to constitute a rotary (rotary blade) 18. is doing. Then, the rotary 18 is rotated by the power transmitted from the traveling machine body 1 side through the PTO shaft 20 to perform the tilling work.

  Above the rotary 18, a tillage cover 21 is disposed so as to prevent scattering of tillage due to rotation of the tillage claws. A rear cover 22 is supported at the rear end of the tillage cover 21 so as to be rotatable in the vertical direction. A pressure rod mechanism 23 is disposed between the tillage cover 21 and the rear cover 22, and one end of the rear cover 22 is brought into pressure contact with the tilled soil at a required pressure, so that the tilled soil is leveled and reduced.

  The cultivator crushing unit 25 is supported by the work machine frame 15 so as to be movable in the width direction of the work machine frame 15 (front and back direction in FIG. 1), and is positioned vertically by the support arm 26. A support rod 27 that is supported in an adjustable manner, and a soyler 28 that is supported at the lower end of the support rod 27 are provided. The tip (lower end) of the soiler 28 is adjusted so as to reach a position deeper than the depth cultivated by the rotary 18.

  The erecting portion 30 includes a plurality of rods 31 detachably supported by a fixture (not shown) supported by the work machine frame 15 so as to be movable in the width direction of the work machine frame 15; It has a plurality of molded plates 32 attached to the rod 31. And the number and width | variety of the wrinkles shape | molded simultaneously can be adjusted now by adjusting the number and space | interval of the shaping | molding board 32 to attach.

  The fertilizer 35 has a pair of tanks 38 supported by the work machine frame 15 via a support member 36 so as to be positioned above the rotary 18 and connected by a connecting member 37. The number of tanks 38 may be one. Further, as shown in FIG. 3, the tank 38 is inclined so that the rear portion thereof is lowered with respect to the front portion at the position where the working device 10 is lowered most, and the working device 10 is most elevated. In the position where it was made, it will be in the state inclined so that the front part may fall rather than the rear part. Then, by arranging the tank 38 so that the inclination angle a and the inclination angle b are substantially equal, the amount of fertilizer accommodated in the tank 38 can be maximized and work efficiency can be improved.

  The fertilizer 35 drives a plurality of pumps 40 (eight in the present embodiment) disposed behind the work machine frame 15 and the power from the PTO shaft by shifting the power. As shown in FIG. 4, the output of the transmission 41 is transmitted to the pump 40 through a shaft 43 that rotatably passes through a pipe-shaped pump frame 42. Between the shaft 43 and the pump 40, a chain 47 is provided between a sprocket 45 attached to the shaft 43 and a sprocket 46 attached to the pump 40. Therefore, for example, by replacing the sprocket 45 on the shaft 43 side, the rotational speed of the pump 40 can be changed to change the discharge amount.

  As shown in FIGS. 1 and 2, the fertilizer 35 is provided in a plurality of pressure reducing frames 50 supported by a tool bar 48 that is detachably supported by the work machine frame 15 (8 in the present embodiment). Directional control valves 51 are arranged. A nozzle 53 is supported on the tool bar 48 via a nozzle holder 52 so that the position of the nozzle 53 can be adjusted in the vertical direction in FIG.

  As shown in FIG. 5, the tank 38, the pump 40, the direction control valve 51, and the nozzle 53 are connected as follows. That is, the tank 38 and the pump 40 are connected by a pipe 55, the pump 40 and the direction control valve 51 are connected by a pipe 56, the direction control valve 51 and the nozzle 53 are connected by a pipe 57, and the direction control valve 51 and the tank 38 are They are connected by a pipe 58. Therefore, the fertilizer discharged from the pump 40 is sent to the nozzle 53 or the tank 38 by operating the direction control valve 51.

  As shown in FIGS. 1 and 2, a pressure-reducing wheel 60 is rotatably supported at the rear end of the pressure-reducing frame 50, formed by the erecting portion 30, and roughened by the passage of the nozzle 53. It is designed to level and relieve the upper surface. By crushing the upper surface of the ridge with the pressure wheel 60, not only the upper surface of the ridge but also the soil sterilization, the volatile components of the chemicals injected into the soil can be suppressed from transpiration into the atmosphere. The disinfection effect can be enhanced.

  When performing farm work with such a configuration, the position of the forming plate 32 of the erecting unit 30 is set according to the number, width, etc. of the ridges to be formed. Next, the soy 28 of the tiller crushing section 25 is set at the crop planting position (1 畝 1, 1 畝 2, etc.) according to the ridge width. Furthermore, the position of the nozzle 53 of the fertilizer application unit 35 is set with respect to the installation position of the soiler 28.

  Further, the fertilizer (or medicine) diluted to a required magnification is supplied to the tank 38 of the fertilizer application unit 35, and the direction control valve 51 is set so that the fertilizer flows only to the required nozzle 53. At this time, the fertilizer discharged from the pump 40 is returned to the tank 38 where the outflow to the nozzle 53 is stopped by the stapling operation of the direction control valve 51.

  Then, the traveling machine body 1 is moved to a predetermined work position, and the work device 10 is lowered in a state where the rotary 18 of the rotary tiller 11 is rotated, and the farm work is started. The soiler 28 enters the cultivated land that has been cultivated and softened by the rotary 18, and the cultivating board formed at a depth that cannot be cultivated by the rotary 18 can be crushed. Furthermore, the vertical plate 32 penetrates into the cultivated cultivated land to form the side surface of the vertical frame, and the agricultural work of the vertical tillage, the cultivation of the cultivation board and the vertical frame is simultaneously performed.

  That is, tilling work, tiller crushing work, and raising work can be performed simultaneously, and farm work can be performed with high work efficiency. Moreover, since the soy 28 is passed through the soil softened by the tillage work, and the soil that has become softened is further erected, the power loss is small and the farm work can be performed with high energy efficiency. it can.

  After the uprighting operation, the upper surface of the ridge is pressed by the rear cover 22 and the cultivated soil is leveled and crushed, and then the nozzle 53 enters the molded ridge soil and the fertilizer discharged from the pump 40 is discharged from the nozzle 40 40 is discharged into the soil and injected into the soil. Further, the upper surface of the ridge that has been roughened by the penetration of the nozzle 53 is leveled and suppressed by the pressure reducing wheel 60.

  As described above, since the fertilization work (or soil disinfection work) can be performed at the same time as the tilling work, the tiller crushing work, and the uprighting work, the efficiency of the farm work can be further improved. In addition, since fertilizer is injected after the erection work, fertilization can be accurately performed at an appropriate position of the ridge, and fertilization efficiency can be improved. Further, since all the pumps 40 are always driven, the driving load of the pumps 40 is constant, the amount of fertilizer discharged from the nozzle 53 is stabilized, and an appropriate amount of fertilizer can be injected into the soil.

  As described above, the tank 38 is disposed on the left and right sides of the work device 10, and the transmission 41, the pump 40, and the direction control valve 51 are disposed on the other side, thereby balancing the left and right weights of the work device 10. Can perform stable work. Further, the work apparatus 10 can be made compact by disposing the tank 38 above the rotary 18 and disposing the nozzle 53 behind the rotary 18.

  6 to 9 show a second embodiment of the present invention. FIG. 6 is a side view of a working device connected to a traveling machine body, FIG. 7 is a plan view of the working device, and FIG. Fig. 9 is a power transmission system diagram showing a drive system of the fertilizer application, and Fig. 9 is a piping system diagram of the fertilizer application.

  In the figure, the same components as those in FIGS. 1 to 5 are designated by the same reference numerals and the description thereof is omitted. 6 and 7, in the present embodiment, the tanks 38 in the present embodiment are arranged one by one on the left and right (up and down direction in FIG. 7) of the working device 10 and supply the dilution water. 38a and a medicine tank 38b which is disposed above the toolbar 48 and supplies fertilizer (or disinfectant medicine).

  In the present embodiment, the pump 40 according to the embodiment includes a water pump 40a and a medicine pump 40b arranged on the work machine frame. Note that eight water pumps 40a and eight drug pumps 40b are provided.

  As shown in FIG. 8, the water pump 40a divided into two groups and the medicine pump 40b constituting a single group receive the power input from the PTO shaft 20 to the transmission 41. An output shaft 70 of the transmission 41, sprockets 71a, 71b, 71c fixed to the output shaft 70, chains 72a, 72b, 72c and sprockets 73a, 73b, 73c are connected to the respective input shafts 75a, 75b, 75c. Transmitted and driven.

  Accordingly, by replacing the sprockets 71a, 71b, 71c and the sprockets 73a, 73b, 73c, the discharge amounts of the water pump 40a and the medicine pump 40b can be changed. That is, the drug dilution rate and the discharge amount from the nozzle 53 can be changed.

  In the present embodiment, the directional control valve 51 in the above-described embodiment is composed of a directional control valve 51a for water and a directional control valve 51b for medicine as shown in FIG. The directional control valves 51a and 51b are arranged in the same number as the water pump 40a and the medicine pump 40b, respectively.

  Below the medicine tank 38b, there is disposed a mixing section for mixing the medicine discharged from the medicine pump 40b and the water discharged from the water pump 40a to dilute the medicine.

  The water tank 38a, the medicine tank 38b, the water pump 40a, the medicine pump 40b, the direction control valve 51, the nozzle 53, the direction control valves 51a and 51b, and the mixing unit 65 are connected as shown in FIG. Yes. That is, the water tank 38a and the water pump 40 are connected by a pipe 55, the water pump 40a and the direction control valve 51a are connected by a pipe 56, the drug tank 38b and the drug pump 40b are connected by a pipe 81, and the drug pump 40b and the directional control valve 51b are connected by a pipe 82, the directional control valve 51a and the mixing part 65 are connected by a pipe 83, the directional control valve 51b and the mixing part 65 are connected by a pipe 85, and the directional control valve 51b and the medicine are used. The tank 38b is connected by a pipe 86.

  With such a configuration, the diluting water in the tank 38 discharged from the water pump 40a and the undiluted drug in the drug tank 38b discharged from the drug pump 40b are respectively supplied to the direction control valve 51a and the direction. It can be sent to the mixing unit 65 through the control valve 51b, and the mixing unit 65 can mix water and a chemical solution, send it to the nozzle 53 as a chemical solution of a required concentration, and inject it from the nozzle 53 into the soil. Moreover, the chemical | medical agent can be inject | poured in soil with a stock solution, and can also inject | pour only water into soil.

  When the direction control valves 51a and 51b are stopped, the water and the medicine discharged from the water pump 40a and the medicine pump 40b are supplied to the water tank 38a and the medicine tank through the pipes 58 and 86, respectively. It returns to 38b. Therefore, since water does not mix into the medicine in the medicine tank 38b, the medicine remaining in the medicine tank 38b after the work can be returned to the original bottle or the like and stored for a long time. Further, by separating the water tank 38a and the medicine tank 38b, a larger amount of water and medicine can be supplied, and a wider range of soil disinfection and fertilization work can be performed.

  By disposing the water pump 40a, the medicine pump 40b, the direction control valves 51a and 51b, and the mixing unit 65 for each nozzle, it is possible to maintain an appropriate discharge amount for each nozzle 53. Further, even when the direction control valves 51a and 51b are stopped, the driving load of the water pump 40a and the medicine pump 40b does not fluctuate, so that the amount of fertilizer discharged from each nozzle 53 can be reduced. Appropriate work can be performed without changing.

It is a side view of the working device connected with the traveling machine body. It is a top view of a working device. It is a side view which shows the state at the time of raising / lowering of a working device. It is a top view which shows the transmission system to a pump. It is a piping system diagram from a tank to a nozzle. It is a side view of the working device connected with the traveling machine body. It is a top view of a working device. It is a power transmission system diagram which shows the drive system of a fertilizer application part. It is a piping system diagram of a fertilizer application part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Working apparatus 11 Rotary tillage part 18 Rotary blade (rotary)
35 Soil disinfection department (fertilizer application department)
38 Tank 38a Water tank 38b Drug tank 40 Pump 40a Water pump 40b Drug pump 53 Nozzle 65 Mixing section

Claims (2)

In the agricultural work machine provided with a work device that can be moved up and down behind the traveling machine body,
The working device has a rotary tillage unit and a soil disinfection unit,
The soil disinfection unit has a tank and a pump arranged above the rotary blade of the rotary tillage unit, and a soil injection nozzle arranged behind the rotary blade,
Agricultural work machine characterized by that. The tank has a medicine tank and a dilution water tank,
The pump has a drug pump and a water pump,
The medicine from the medicine tank is supplied to the mixing section by the medicine pump, and the water from the dilution water tank is supplied to the mixing section by the water pump, and diluted in the mixing section. The injected medicine is injected into the soil from the nozzle,
The agricultural work machine according to claim 1.

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