JP2006325499A - Farm implement - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a farm implement which does not need an outer electric source from a tractor and does also not need a work for getting down from the tractor and then manually connecting wires. <P>SOLUTION: This farm implement 1 has an input shaft 13 connected to the PTO shaft 11 of the tractor 2 through a joint 12. The farm implement 1 has a generating means 31 operated on the basis of the rotation of the input shaft 13. The farm implement 1 has contact sensors 41, 42 and a lamp 43 which are operated with power by the generating means 31. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an agricultural machine that is connected to a traveling vehicle and works while moving as the traveling vehicle travels.

Conventionally, for example, a tractor-side wiring (such as a control line or a power line) and a work machine-side wiring are connected simultaneously with a connection between a three-point link part of a tractor that is a traveling vehicle and a three-point connection part of a farming machine such as a tillage device. A wiring coupler is known (for example, see Patent Document 1).
JP-A-8-289606

  However, when the wiring coupler as described above is used, a problem is likely to occur in the connection between the tractor side wiring and the work machine side wiring, and when a problem occurs in the connection, the operator has to bother to descend from the tractor. The tractor side wiring and work implement side wiring must be connected in the work.

  This invention is made in view of such a point, and it aims at providing the agricultural machine which does not need the external power supply from a traveling vehicle, and does not need to go down from a traveling vehicle and to wire-connect by manual work. .

  The agricultural machine according to claim 1 is an agricultural machine that is connected to a traveling vehicle and works while moving by traveling of the traveling vehicle, and includes a power generation unit and an electric component that operates with electric power generated by the power generation unit. Is.

  An agricultural machine according to claim 2 is an agricultural machine that is connected to a traveling vehicle and works while moving by traveling of the traveling vehicle, and an input shaft coupled to a PTO shaft of the traveling vehicle via a joint; A power generation means that operates based on the rotation of the input shaft to generate electric power and an electrical component that operates with electric power generated by the power generation means are provided.

  The agricultural machine according to claim 3 is an agricultural machine that is connected to a traveling vehicle and works while moving by traveling of the traveling vehicle, the grounding wheel rotating by a force received from the field side, and the rotation of the grounding wheel The power generation means that operates based on the power generation to generate electric power, and the electrical component that operates with the electric power generated by the power generation means.

  The agricultural machine according to claim 4 is the agricultural machine according to claim 3, in accordance with a detection means for detecting the power generation amount of the power generation means, a spreading means for spreading the material to be spread, and a detection signal from the detection means. Control means for controlling the amount of the object to be spread by the spreading means.

  The farm machine according to claim 5 is the farm machine according to any one of claims 1 to 4, comprising a battery for storing electric power from the power generation means.

  According to the first aspect of the present invention, since the power generation means and the electric parts that are operated by the power generated by the power generation means are provided, an external power source from the traveling vehicle is unnecessary, and the vehicle is manually moved down from the traveling vehicle. There is no need to make wiring connections.

  According to the second aspect of the present invention, since the power generation means that operates based on the rotation of the input shaft and generates power, and the electrical component that operates with the power generated by the power generation means, the external power source from the traveling vehicle is provided. Is not required, and it is not necessary to manually connect the wiring after getting off the traveling vehicle.

  According to the third aspect of the present invention, the power generation means that operates based on the rotation of the grounding wheel and generates electric power, and the electrical component that operates with the electric power generated by the power generation means. Is not required, and it is not necessary to manually connect the wiring after getting off the traveling vehicle.

  According to the invention which concerns on Claim 4, since a control means controls the application quantity of a to-be-scattered object according to the detection signal from a detection means, the appropriate quantity of to-be-scattered object corresponding to the travel speed of a traveling vehicle can be sprayed.

  According to the invention which concerns on Claim 5, since the battery which stores the electric power from an electric power generation means is provided, waste of power consumption can be prevented.

  An embodiment of an agricultural machine according to the present invention will be described with reference to FIG.

  In FIG. 1, reference numeral 1 denotes an agricultural machine. The agricultural machine 1 is connected to a tractor 2 as a traveling vehicle. Device.

  The farm work machine 1 includes a machine body 4 connected to a three-point link part (three-point hitch part) at the rear of the tractor 2.

  The machine body 4 has a longitudinal frame pipe portion 5 in the left-right direction. The frame pipe portion 5 is provided with a three-point link portion 7 composed of one top mast (not shown) and two left and right lower arms 6 and connected to the three-point link portion at the rear of the tractor 2. ing.

  A gear box 8 is formed at the longitudinal center of the frame pipe portion 5, and an input shaft 13 connected to the PTO shaft 11 of the tractor 2 via a joint (universal joint) 12 is rotatable in the gear box 8. Is provided. The input shaft 13 protrudes forward from the front surface of the gear box 8. The gear box 8 is provided with a power generation output shaft 14 connected to the input shaft 13 and rotating together with the input shaft 13 so as to be rotatable coaxially with the input shaft 13. The power generation output shaft 14 projects rearward from the rear surface of the gear box 8.

  The airframe 4 has a chain case portion 21 and a bracket portion 22 on both the left and right sides. Between the chain case portion 21 and the bracket portion 22, there is provided a tilling means (not shown) that rotates with power from the input shaft 13 side to perform tilling work. The tillage means has a horizontal tillage shaft that is provided between the lower end portion of the chain case portion 21 and the lower end portion of the bracket portion 22 and rotates by receiving power from the input shaft 13 side. A plurality of tilling claws are provided at equal intervals in the axial direction and the circumferential direction.

  Further, the machine body 4 has a curved plate-like cover portion 23 that covers the upper portion of the tillage means. At the rear end portion of the cover portion 23, leveling means 24 that performs leveling work behind the tillage means is provided. The leveling means 24 has a first leveling body (level plate) 25 provided at the rear end portion of the cover portion 23 so as to be vertically rotatable, and a second leveling body ( Rake) 26 is provided to be rotatable up and down.

  Further, on the upper surface side of the cover portion 23 of the airframe 4, a power generation means (electricity generator) 31 that operates based on the rotation of the input shaft 13 by the power from the tractor 2 to generate electric power is provided. The power generation means 31 has a unit-shaped power generation body 32, and the power generation body 32 is rotatably provided with a rotation shaft 33. The rotation shaft 33 is spaced from and opposed to the power generation output shaft 14 in a parallel position. To do. A belt 36 that is an endless body is stretched between a pulley 34 that is a rotating body fixed to the power generation output shaft 14 and a pulley 35 that is a rotating body fixed to the rotating shaft 33 of the power generation means 31. When the input shaft 13 is rotated by the power from the tractor 2, the pulleys 34 and 35 and the belt 36 are rotated and the rotating shaft 33 is rotated, and the rotation of the rotating shaft 33 generates the power generation main body 32.

  Further, contact sensors (electric parts) 41 and 42 which are detection means for outputting a detection signal by contact with an obstacle (not shown) are provided on the side surface portion of the machine body 4 and the second leveling body 26 so as to protrude. It has been. A contact sensor 41 provided on the side surface of the machine body 4 protrudes laterally from the machine body 4, and a contact sensor 42 provided on the second leveling body 26 protrudes rearward from the second leveling body 26. Further, a lamp (electric part) 43 that is a light generating means that emits light based on detection signals from the contact sensors 41 and 42 is provided at the end of the frame pipe portion 5 of the body 4. The contact sensors 41 and 42 and the lamp 43 are connected by a wiring 44, and the lamp 43 and the power generation body 32 of the power generation means 31 are connected by a wiring 45. The contact sensors 41 and 42 and the lamp 43 are powered by the power generation means 31 and are operated by the power generated by the power generation means 31.

  Next, the operation and the like of the farm work machine 1 will be described.

  When the farm work machine 1 is connected to the rear part of the tractor 2 and the farm work machine 1 is moved on the field by running the tractor 2, the tilling work is performed by a plurality of tilling claws of the tilling means. Leveling work is performed by the leveling body 25 and the second leveling body 26.

  Further, when the input shaft 13 rotates with power from the PTO shaft 11 side of the tractor 2, the power generation means 31 operates based on the rotation of the input shaft 13 to generate power. For example, when the contact sensors 41 and 42 come into contact with an obstacle and output a detection signal, the lamp 43 emits light based on the detection signal, and the worker on the tractor 2 detects the presence of the obstacle with the light. You will know.

  And according to the agricultural machine 1, since it is the structure provided with the power generation means 31, the contact sensors 41 and 42 which operate | move with the electric power by this power generation means 31, and the lamp | ramp 43, the external power supply from the tractor 2 is unnecessary, and the tractor 2 It is not necessary for the worker who got on the board to get down from the tractor 2 and manually connect the wiring, and further, the fire accident of the tractor 2 due to the wiring defect or the like can be eliminated.

  In the above-described embodiment, the configuration including the power generation means 31 that operates by the power from the tractor 2 to generate electric power has been described. For example, as illustrated in FIG. The power generation means 31 may be operated by the power from the small engine 51 to generate power.

  The small engine 51 has an engine main body 52, and a rotary shaft 53 is rotatably provided on the engine main body 52. The rotary shaft 53 is positioned in parallel and spaced apart from the rotary shaft 33 of the power generation means 31. A belt 36, which is an endless body, is stretched between a pulley 34 that is a rotating body fixed to the rotating shaft 53 and a pulley 35 that is a rotating body fixed to the rotating shaft 33 of the power generation means 31. When the rotary shaft 53 is rotated by the power from the small engine 51 mounted on the machine body 4, the pulleys 34, 35 and the belt 36 are rotated and the rotary shaft 33 is rotated. Generates electric power, and the contact sensors 41 and 42 and the lamp 43 are operated by electric power from the power generation body 32.

  Further, the power generation means 31 may be constituted by a solar panel that generates power using sunlight.

  Further, the farm work machine 1 may be provided with a battery for storing power from the power generation means 31 in the machine body 4 so that electric parts such as the lamp 43 are operated by the power from the battery.

  Next, another embodiment of the agricultural machine according to the present invention will be described with reference to FIG.

  Agricultural work machine 1 shown in FIG. 3 is provided with a central working unit 61 and the central working unit 61 at both ends in the left-right direction so as to be rotatable about a rotation shaft 63, and is folded in one direction and is not in a working state. This is a three-fold type folding tillage device that includes left and right extension working parts 62 that are unfolded by turning in the other direction.

  The central working unit 61 includes a machine body 64 connected to a three-point link unit (three-point hitch unit) at the rear of the tractor 2.

  The machine body 64 has a frame pipe portion 65 that is elongated in the left-right direction. The frame pipe portion 65 is composed of one top mast (not shown), two left and right lower arms, and the like, and is connected to a three-point link portion at the rear of the tractor 2 (not shown). Is provided.

  A gear box 66 is formed at the longitudinal center of the frame pipe portion 65, and an input shaft 67 connected to the PTO shaft 11 of the tractor 2 via the joint 12 is rotatably provided in the gear box 66. . The input shaft 67 protrudes forward from the front surface of the gear box 66. The gear box 66 is provided with a power generation output shaft 68 that is connected to the input shaft 67 and rotates together with the input shaft 67 so as to be coaxial with the input shaft 67. The power generation output shaft 68 protrudes rearward from the rear surface of the gear box 66.

  The machine body 64 has a chain case portion 69 and a bracket portion 70 on both the left and right sides. Between the chain case portion 69 and the bracket portion 70, a tilling means (not shown) that rotates by power from the input shaft 67 side and performs a tilling operation is provided. The tillage means has a horizontal tillage shaft that is provided between the lower end portion of the chain case portion 69 and the lower end portion of the bracket portion 70 and rotates by receiving power from the input shaft 67 side. A plurality of tilling claws are provided at equal intervals in the axial direction and the circumferential direction. Further, the machine body 64 has a curved plate-like cover portion 71 that covers the upper portion of the tillage means. At the rear end of the cover portion 71, leveling means for performing leveling work behind the tillage means is provided.

  The extension work part 62 has an extension machine body 74 provided on the machine body 64 of the central work part 61 so as to be rotatable about a rotation shaft 63. The extension body 74 is provided with a tilling means and a leveling means for extending the work width of the central work part 61 when the extension work part 62 is in the unfolding work state.

  Further, on the upper surface side of the cover part 71 of the airframe 64 of the central working part 61, a power generation means (electricity generator) 81 that operates based on the rotation of the input shaft 67 by the power from the tractor 2 to generate power is provided. Yes. The power generation means 81 has a unit-shaped power generation main body 82, and a rotary shaft 83 is rotatably provided on the power generation main body 82. The rotary shaft 83 is spaced apart from and parallel to the power generation output shaft 68. To do. A belt 86, which is an endless body, is stretched between a pulley 84, which is a rotating body fixed to the power generating output shaft 68, and a pulley 85, which is a rotating body fixed to the rotating shaft 83 of the power generation means 81. When the input shaft 67 is rotated by the power from the tractor 2, the pulleys 84 and 85 and the belt 86 are rotated and the rotating shaft 83 is rotated. The rotation of the rotating shaft 83 causes the power generation main body 82 to generate power.

  Further, a battery 88 for storing electric power from the power generation means 81 is provided on the upper surface side of the cover portion 71 of the machine body 64 of the central working unit 61. A battery 88 and a power generation body 82 of the power generation means 81 are connected by a wiring 89. Further, an electric hydraulic cylinder (electric part) 90 is provided between the central working unit 61 and the extending working unit 62 as driving means for rotating the extending working unit 62 around the turning shaft 63. The left and right electrohydraulic cylinders 90 and the battery 88 are connected by a wire 91. Each electrohydraulic cylinder 90 uses a battery 88 as a power source, and is operated by electric power generated by the power generation means 81.

  Also, the agricultural machine 1 shown in FIG. 3 is configured to include the power generation means 81 and the electrohydraulic cylinder 90 that is operated by the power generated by the power generation means 81, as shown in FIG. No external power source is required, and there is no need for a worker on the tractor 2 to go down from the tractor 2 and make a wiring connection manually, and to eliminate a fire accident of the tractor 2 due to a wiring defect or the like.

  Next, still another embodiment of the agricultural machine according to the present invention will be described with reference to FIG.

  Agricultural work machine 1 shown in FIG. 4 is connected to a tractor (same as shown in FIG. 1), which is a traveling vehicle, and is moved forward in the direction of travel by traveling of the tractor, for example, tilling work and spreading work (for example) Fertilizing work).

  The farm work machine 1 includes a machine body 104 connected to a three-point link part (three-point hitch part) at the rear of the tractor.

  The machine body 104 has a frame pipe portion 105 that is elongated in the left-right direction. The frame pipe portion 105 is provided with a three-point link portion configured by one top mast (not shown) and two left and right lower arms and connected to the three-point link portion at the rear of the tractor. A gear box 108 is formed at the longitudinal center of the frame pipe portion 105, and an input shaft 113 connected to the PTO shaft of the tractor via a joint is rotatably provided in the gear box 108.

  Airframe 104 has chain case portion 114 and a bracket portion (not shown) on both the left and right sides. Between the chain case portion 114 and the bracket portion, a tilling means 115 that rotates by power from the input shaft 113 side and performs a tilling operation is provided. The tillage means 115 has a horizontal tillage shaft which is provided between the lower end portion of the chain case portion 114 and the lower end portion of the bracket portion and rotates by receiving power from the input shaft 113 side. A plurality of tilling claws are provided at equal intervals in the axial direction and the circumferential direction.

  Further, the machine body 104 has a curved plate-like cover portion 123 that covers an upper portion of the tillage means 115. At the rear end of the cover portion 123, leveling means 124 that performs leveling work behind the tillage means 115 is provided. The leveling means 124 has a first leveling body (level plate) 125 provided at the rear end portion of the cover portion 123 of the machine body 104 so as to be vertically rotatable. A second leveling body 125 is provided at the lower end portion of the first leveling body 125. A leveling body (rake) 126 is provided to be vertically rotatable.

  Further, a frame-like portion 131 protruding rearward from the frame pipe portion 105 of the airframe 104 is provided with a rod-like wheel holding member 132 that can be lifted and lowered while being held by a spring 133 from above and below. At the lower end of the wheel holding member 132, a grounding wheel 135 such as a gauge wheel that rotates by a force received from the field is rotatably provided. A power generation means (electricity generator) 136 that operates based on the rotation of the grounding wheel 135 due to the traveling of the tractor to generate electric power is provided at an intermediate portion in the longitudinal direction of the wheel holding member 132. The power generation means 136 has a unit-shaped power generation main body 137, and a rotary body 138 is rotatably provided on the power generation main body 137, and the rotary body 138 is in pressure contact with the outer peripheral surface of the ground ring 135. When the grounding wheel 135 is rotated by the traveling of the tractor, the rotating body 138 of the power generation means 136 is rotated, and the power generation body 137 generates power by the rotation of the rotating body 138.

  On the other hand, the airframe 104 is provided with spraying means 141 for spraying an object to be sprayed such as fertilizer and seeds. The spreading means 141 includes a hopper 142 that accommodates the material to be spread, a sending means 143 that is provided below the hopper 142 and that sends the material to be spread from the hopper 142, and is capable of guiding the material to be spread from the hopper 142 toward the field. And a flexible hose 144.

  The frame part 131 of the machine body 104 has a detection means (electric part) 145 for detecting the power generation amount (voltage) of the power generation means 136, and the application to the field by the spraying means 141 according to the detection signal from the detection means 145. Control means (electrical parts) 146 for controlling the amount of sprayed object and a battery 147 for storing electric power from the power generation means 136 are provided. Further, a lamp (electric part) 148 that is a light generating means for visually recognizing the position of the end of the agricultural machine 1 in the left-right direction is provided on the upper part of the chain case part 114 and the bracket part of the machine body 104. The detection means 145, the control means 146, and the lamp 148 are powered by the power generation means 136 or the battery 147, and are operated by the power generated by the power generation means 136.

  Next, the operation and the like of the farm work machine 1 will be described.

  When the farm work machine 1 is connected to the rear part of the tractor and the farm work machine 1 is moved on the field by running of the tractor, the tilling work is performed by the plurality of tilling claws of the tilling means 115, and the first leveling body of the leveling means 124 is obtained. The leveling work is performed by the 125 and the second leveling body 126, and the work to be spread is performed by the spreading means 141. At this time, the control means 146 controls the amount of the spread object according to the detection signal from the detection means 145 that detects the power generation amount of the power generation means 136, and an appropriate amount of the spread object corresponding to the traveling speed of the tractor is obtained. Sprayed on the field.

  When the grounding wheel 135 is rotated by the traveling of the tractor, the power generation unit 136 is operated based on the rotation of the grounding wheel 135, and the detection unit 145, the control unit 146, and the lamp 148 are operated by the power generated by the power generation unit 136.

  4 also includes a power generation means 136, a detection means 145 that operates with power generated by the power generation means 136, a control means 146, and a lamp 148, as in the case shown in FIG. Therefore, there is no need for an external power supply from the tractor, and there is no need for a worker on the tractor to go down from the tractor and make wiring connections manually, and to eliminate fire accidents of the tractor 2 due to poor wiring, etc. Can do.

  The batteries 88 and 147 are not always necessary, and electric parts such as the electrohydraulic cylinder 90 may be operated by receiving power directly from the power generation means.

  Further, the power generation means 31, 81, 136 generate electricity and serve as a power source or charge a battery, and are, for example, a dynamo, an alternator, and the like.

  Furthermore, the position where the power generation means 31, 81, 136 is provided is arbitrary, and for example, the power generation means may be provided in the gear box of the airframe.

  The electric parts that are operated by the electric power generated by the power generation means 31, 81, and 136 are arbitrary. For example, the electric motor (electric part) may be operated by the electric power generated by the power generation means to rotate the tillage shaft.

  Furthermore, the farm work machine 1 is optional, such as a tilling device, a plowing device, or a hail coating device.

It is a top view of one embodiment of the agricultural working machine of the present invention. It is a top view of other embodiment of the agricultural machine of this invention. It is a top view of other embodiment of the agricultural working machine of this invention. It is a side view of further another embodiment of the agricultural working machine of this invention.

Explanation of symbols

1 Agricultural machine 2 Tractor that is a traveling vehicle
11 PTO axis
12 Joint
13 Input shaft
31 Power generation means
41, 42 Contact sensor as an electrical component
43 Lamps that are electrical components
67 Input shaft
81 Power generation means
88 battery
90 Electric hydraulic cylinder, an electrical component
135 Ground ring
136 Power generation means
141 Spraying means
145 Detection means
146 Control means
147 battery

Claims (5)

An agricultural machine connected to a traveling vehicle and working while traveling by traveling of the traveling vehicle,
Power generation means;
An agricultural machine comprising: an electrical component that operates with electric power generated by the power generation means. An agricultural machine connected to a traveling vehicle and working while traveling by traveling of the traveling vehicle,
An input shaft coupled via a joint to the PTO shaft of the traveling vehicle;
Power generation means that operates based on the rotation of the input shaft and generates power;
An agricultural machine comprising: an electrical component that operates with electric power generated by the power generation means. An agricultural machine connected to a traveling vehicle and working while traveling by traveling of the traveling vehicle,
A grounding wheel that rotates with the force received from the field,
Power generation means that operates based on the rotation of the ground ring and generates power;
An agricultural machine comprising: an electrical component that operates with electric power generated by the power generation means. Spraying means for spraying the object to be spread;
Detection means for detecting the amount of power generated by the power generation means;
The agricultural working machine according to claim 3, further comprising a control unit that controls a spray amount of the object to be spread by the spraying unit in accordance with a detection signal from the detection unit. A farm work machine according to any one of claims 1 to 4, further comprising a battery that stores electric power from the power generation means.

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