JP4392341B2 - Agricultural machine - Google Patents

Description

  The present invention relates to an agricultural machine that can automatically stop a hook forming means at a desired work position.

Conventionally, for example, a return including a fixed frame connected to a tractor that is a traveling vehicle, a movable frame provided on the fixed frame, and embankment means and ridge forming means provided on the movable frame, respectively. 2. Description of the Related Art Agricultural working machines such as a coater capable of working are known (for example, see Patent Document 1).
JP 2002-78403 A

  However, the conventional farm work machine has a problem that the work position (offset amount) of the ridge forming means must be manually changed by inserting / removing pins for each tractor having a different size.

  This invention is made | formed in view of such a point, and an object of this invention is to provide the agricultural machine which can automatically stop a hook forming means in a desired work position.

請 Motomeko 1 agricultural machine according is an agricultural machine used in conjunction to vehicle, and ridge forming means for a ridge forming operation, a driving means for moving the ridge forming means, of the ridge forming means Detection means for detecting a change value that changes according to movement, storage means for storing the optimum value of the saddle-forming means corresponding to each of the traveling vehicles having different sizes, and a detection change value by the detection means Control means for controlling the driving means to stop the wrinkle forming means at the working position when the optimum value stored in the storage means is reached, and by control of the control means based on detection by the detection means, The distance of the ridge forming means from the horizontal center line passing through the center in the width direction of the traveling vehicle is automatically set to the optimum distance for each traveling vehicle stored in advance .

The agricultural machine according to claim 2 is the agricultural machine according to claim 1, comprising a changeover switch and a distance detecting means for detecting a distance between the ridge forming means and the ridge, and is set to the first state by the changeover switch. In this state, the control means controls the drive means based on the detection by the distance detection means to stop the saddle formation means at the work position, and the control means controls the left-right direction passing through the center in the width direction of the traveling vehicle. In the state in which the distance of the ridge forming means from the center line is automatically set and is set to the second state by the changeover switch, the control means is the optimum in which the change value detected by the detection means is stored in the storage means. When the value is reached, the driving means is controlled to stop the saddle formation means at the working position, and the saddle formation means from the lateral center line passing through the center in the width direction of the traveling vehicle by the control of the control means Distance is intended to be automatically set to the optimum distance for each vehicle that have been previously stored.

The agricultural machine according to claim 3 is the agricultural machine according to claim 1 or 2, wherein the fixed frame is connected to the rear portion of the traveling vehicle, and the movable frame is provided on the fixed frame via a rotating arm. The heel forming means is provided on the movable frame body, and the detection means is configured by an angle sensor that detects an angle formed by the rotating arm and the movable frame body.

According to the present invention, when the change value detected by the detection means reaches the optimum value stored in the storage means, the control means for controlling the drive means to stop the heel formation means at the working position is provided. The means can be automatically stopped at the desired working position.

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

  1 to 6, reference numeral 1 denotes an agricultural machine. The agricultural machine 1 is a towing type used by being connected to a rear portion of a tractor T that is a traveling vehicle, for example. Then, the farm work machine 1 is a paddy machine that performs a padding operation (carp repairing work) while moving in the traveling direction along the paddle A by traveling of the tractor T in a state where it is connected to the tractor T.

  The farm work machine 1 includes a fixed frame 2 connected to a three-point link part (work machine lifting support device) at the rear of the tractor T.

  The fixed frame 2 is provided with a movable frame 4 via rotating arms (parallel links) 3 parallel to each other.

  The movable frame 4 has a rotatable banking means (rotary) 5 that performs banking work while driving and rotating in a predetermined direction, and a ridge-forming work while driving and rotating in a predetermined direction at a position behind the banking means 5 in the traveling direction. Rotating wrinkle forming means (disks) 6 are provided.

  The embankment means 5 includes a rotation shaft 8 in the front-rear direction and a plurality of tilling claws 9 provided on the rotation shaft 8 in a radial manner to cultivate and raise the soil. The ridge forming means 6 rotates together with the rotation shaft 10 in the left-right direction, the substantially cylindrical ridge upper surface forming portion 11 that forms the ridge upper surface by compacting the soil that is rotated together with the rotation shaft 10, and the rotation shaft 10. Thus, it has a substantially frusto-conical saddle-side surface forming portion 12 that compacts the raised soil and forms an inclined saddle-side surface.

  Further, the movable frame 4 has a cover portion 14 that covers the periphery of the tilling claw 9 of the embankment means 5, and a hook side surface of the hook forming means 6 is formed at the tip of the support arm portion 15 protruding from the cover portion 14. Distance detecting means 16 for detecting the horizontal distance between the reduced diameter end portion of the portion 12 and the shoulder portion A1 of the heel A is provided so as to protrude downward.

  The distance detecting means 16 is, for example, when the diameter-reduced end portion of the heel side surface forming portion 12 of the heel forming means 6 (that is, the connecting portion 13 with the heel upper surface forming portion 11) contacts the shoulder A1 of the heel A. The contact sensor 17 is a sensor that outputs a detection signal in contact with the shoulder A1 of the heel A. The contact sensor 17 is located at a forward position in the traveling direction of the reduced diameter end portion of the heel side surface forming portion 12.

  On the other hand, the farm work machine 1 is a first cylinder that is a retractable drive means that rotates the turning arm 3 with respect to the fixed frame body 2 to move the embankment means 5 and the ridge forming means 6 together with the movable frame body 4. (Fluid pressure cylinder or electric cylinder) 21 is provided. A base end portion of the cylinder body 22 of the first cylinder 21 is rotatably connected to the fixed frame body 2, and a distal end portion of the rod 23 of the first cylinder 21 is rotatably connected to one rotating arm 3. Yes.

  The agricultural machine 1 is a retractable drive unit that rotates the movable frame 4 with respect to the rotating arm 3 to move the embankment unit 5 and the ridge forming unit 6, that is, reverse (reverse 180 degrees). A second cylinder (fluid pressure cylinder or electric cylinder) 26 is provided. The base end portion of the cylinder body 27 of the second cylinder 26 is rotatably connected to one end portion of the arm portion 25 that is long in the left-right direction of the movable frame 4, and the tip end portion of the rod 28 of the second cylinder 26 is 2. It is rotatably connected to the other end side of the arm portion 25 of the movable frame body 4 through the two link bodies 29 and 30.

  Furthermore, the agricultural machine 1 includes a detection unit 31 that detects a change value (for example, an angle or the like) that changes in accordance with the movement of the basket forming unit 6 based on the expansion and contraction of the cylinders 21 and 26. The detecting means 31 is constituted by an angle sensor 32 that detects an angle formed by one rotating arm 3 and the arm portion 25 of the movable frame 4, for example. The farm work machine 1 includes reversal detection means 33 such as an angle sensor that detects that the embankment means 5 and the ridge forming means 6 are reversed in the front-rear direction, that is, rotated 180 degrees.

  Further, as shown in FIG. 7, the agricultural machine 1 includes a control unit 41, and the control unit 41 includes a first cylinder 21, a second cylinder 26, a distance detection unit 16, a detection unit 31, and a reverse detection unit 33. The changeover switch 42 is electrically connected. The control means 41 is electrically connected to a storage means 43 for storing an optimum value (for example, an optimum angle) of the ridge forming means 6 corresponding to the size of each tractor T, and each tractor T The input means 44 for inputting the optimum value corresponding to the size of is electrically connected.

  In the state set to the first state by the changeover switch 42, the control means 41 is based on detection by the distance detection means 16 (that is, based on a detection signal from the contact sensor 17, for example), and the first cylinder 21 and At least one of the second cylinders 26 is controlled to stop the heel forming means 6 at the working position (a position where the reduced diameter end of the heel side surface forming portion 12 contacts the shoulder A1 of the heel A). That is, by the control of the control means 41 based on the detection by the distance detection means 16, the distance (offset amount) of the heel forming means 6 from the lateral center line X passing through the center of the tractor T in the width direction is automatically set.

  Further, in the state set to the second state by the changeover switch 42, the control means 41, when the detection change value by the detection means 31 becomes the optimum value stored in the storage means 43 in advance (that is, for example, the angle sensor 32). When the detected angle by the above becomes the optimum angle stored in the storage means 43 in advance), at least one of the first cylinder 21 and the second cylinder 26 is controlled to move the heel forming means 6 to the working position (the heel side surface forming portion). Stop at the position at which the 12 diameter-reduced end contacts the shoulder A1 of the collar A). That is, each tractor in which the distance (offset amount) of the hook forming means 6 from the lateral center line X passing through the center in the width direction of the tractor T is stored in advance by the control of the control means 41 based on the detection by the detection means 31. The optimum distance for each T is automatically set.

  For example, the optimum value a corresponding to the tractor T shown in FIG. 8 (a) and the optimum value b corresponding to the tractor T shown in FIG. 8 (b) are inputted in advance, and the agricultural machine 1 is shown in FIG. 8 (a). When used in connection with the tractor T shown, when the detection change value of the detection means 31 reaches the optimum value a, the hook forming means 6 stops and enters the state shown in FIGS. When the machine 1 is used by being connected to the tractor T shown in FIG. 8 (b), when the detection change value of the detection means 31 reaches the optimum value b, the hook forming means 6 stops and FIG. 8 (b). And it will be in the state shown in FIG.

  Next, the case where the above-mentioned agricultural work machine 1 performs the haze coating work is demonstrated.

  When the farming machine 1 is used to coat the paddy, the offset amount of the embankment means 5 and the paddle forming means 6 is automatically set using the distance detecting means 16 or the detecting means 31, and then the farming machine 1 in the forward working state. Is moved in the traveling direction along the heel A by the forward traveling of the tractor T.

  When the agricultural machine 1 moves in the traveling direction, the soil is cultivated by the cultivating claws 9 of the embankment means 5 and raised on the ridge A. The raised soil is compacted by the heel upper surface forming portion 11 and the heel side surface forming portion 12 of the heel forming means 6 to form the heel upper surface and the heel side surface, thereby repairing the heel A.

  In addition, at the end position of the ridge A, as shown in FIG. 6, the offset amounts of the embankment means 5 and the ridge forming means 6 are automatically set using the distance detection means 16 or the detection means 31, and the farm work machine 1 is returned. After switching to the working state (reverse working state), the agricultural work machine 1 in the return working state is moved in the traveling direction along the rod A by the backward running of the tractor T. When the agricultural machine 1 moves in the traveling direction, the soil is cultivated by the cultivating claws 9 of the embankment means 5 and raised on the ridge A. The raised soil is compacted by the heel upper surface forming portion 11 and the heel side surface forming portion 12 of the heel forming means 6 to form the heel upper surface and the heel side surface, thereby repairing the heel A.

  When the farm equipment 1 is transported to a storage position such as in a warehouse after the work is completed, the farm equipment 1 is stored in a storage state in which the whole farm equipment 1 is located behind the tractor T as shown in FIG. Switch to.

  Then, according to the farm work machine 1, the control means 41 controls the cylinders 21 and 26 so that the hook forming means 6 has a desired work position, for example, both the work position in the forward work state and the work position in the reverse work state. Therefore, it is not necessary to manually change the work position (offset amount) of the hook forming means 6 for each tractor having a different size, and switching from the forward work state to the return work state. Can also be done automatically.

  In the above-described embodiment, the configuration in which the movable frame body 4 is provided on the fixed frame body 2 via the two rotating arms 3 parallel to each other has been described. However, as shown in FIG. The movable frame body 4 is provided via the rotating arm 3, or one rotating arm 3 and one extendable cylinder (driving means) 26 are attached to the fixed frame body 2 as shown in FIG. Alternatively, the movable frame body 4 may be provided. 9 and 10 does not include the angle sensor 32, the changeover switch 42, and the like. However, like the agricultural machine 1 illustrated in FIG. 1 and the like, the contact sensor 17, the angle sensor, and the like. 32, the changeover switch 42, and the like may be employed.

The distance detecting means 16 for detecting the distance between the heel forming means 6 and the heel A is a contact sensor that outputs a detection signal by contacting the shoulder A1 of the heel A when the heel forming means 6 and the heel A are in contact with each other. It is not limited to what consists of 17, For example, what consists of a contact sensor which contacts a skirt part of heel A and outputs a detection signal at the time of contact of heel formation means 6 and heel A, etc. may be used. The distance detecting means 16, for example, those composed of a non-contact sensor of the optical system, or the like that is constituted by a pressure sensor or a pressure sensitive sensor or the like.

  Furthermore, the detection means 31 that detects a change value that changes in accordance with the movement of the heel forming means 6, for example, sets the angle formed by one of the pivot arms 3 and the longitudinal hitch frame portion in the left-right direction of the fixed frame body 2. You may comprise by the angle sensor to detect. The detection means 31 may be constituted by a stroke sensor that detects the strokes of the cylinders 21 and 26.

  Moreover, the farm work machine 1 should just be what can adjust offset amount, and the structure which cannot perform return work may be sufficient as it.

It is a top view at the time of advance work which shows one Embodiment of the agricultural working machine of this invention. It is a partial side view of an agricultural working machine same as the above. It is a partial rear view of a farm working machine same as the above. It is a top view at the time of advance work of a farm work machine same as the above. It is a top view at the time of the storage state of an agricultural working machine same as the above. It is a top view at the time of the return work of an agricultural working machine same as the above. It is a block diagram of the control system of a farm working machine same as the above. It is a schematic plan view which shows the relationship with the tractor of an agricultural working machine same as the above. It is a top view at the time of advance work which shows other embodiment of the agricultural working machine of this invention. It is a top view at the time of advance work which shows other embodiment of the agricultural machine of this invention.

1 Agricultural machine
2 fixed frame
3- turn arm
4 movable frame 6 ridge forming means
16 distance detection hand stage
21 1st cylinder as drive means
26 Second cylinder as drive means
31 Detection means
32 angle sensor
41 Control means
42 selector switch
43 Memory means A 畦

Claims (3)

An agricultural machine that is used in conjunction with a traveling vehicle,
Wrinkle forming means for performing wrinkle forming work;
Driving means for moving the ridge forming means;
Detecting means for detecting a change value that changes according to the movement of the wrinkle forming means;
Storage means for storing the optimum value of the bag forming means corresponding to each of the traveling vehicles having different sizes ;
Control means for controlling the driving means to stop the wrinkle forming means at a working position when the detected change value by the detecting means becomes the optimum value stored in the storage means ;
By the control of the control means based on the detection by the detection means, the distance of the hook forming means from the lateral center line passing through the center in the width direction of the traveling vehicle is automatically set to the optimum distance for each traveling vehicle stored in advance. Agricultural machine characterized by being set to . A changeover switch;
A distance detecting means for detecting the distance between the heel forming means and the heel,
In the state set to the first state by the changeover switch, the control means controls the driving means based on the detection by the distance detection means to stop the wrinkle forming means at the working position. The distance of the hook forming means from the lateral center line passing through the center in the width direction of the traveling vehicle is automatically set,
In the state set to the second state by the changeover switch, the control means controls the driving means to control the driving of the saddle formation when the change value detected by the detection means reaches the optimum value stored in the storage means. The means is stopped at the working position, and the control means automatically controls the distance of the saddle forming means from the lateral center line passing through the center in the width direction of the traveling vehicle to the optimum distance for each traveling vehicle stored in advance. Set automatically
The agricultural machine according to claim 1. A fixed frame connected to the rear part of the traveling vehicle;
The fixed frame body is provided with a movable frame body provided via a rotating arm,
The ridge forming means is provided on the movable frame body,
The detection means is constituted by an angle sensor that detects an angle formed by the rotating arm and the movable frame.
The agricultural machine according to claim 1 or 2, characterized in that.

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