JP4689455B2 - Spraying device - Google Patents

Description

  The present invention relates to a spraying device capable of uniformly spraying an object to be sprayed such as fertilizer.

Conventionally, for example, a box-shaped object container having a hole for spraying on the bottom surface, and a dispersible object such as fertilizer, which is rotatably disposed in the object container, is used for spraying the object. A rotating body such as an agitator to be sent to the hole side, an opening / closing body such as a flap that opens to open the spray hole and closes the spray hole, and a tractor from the PTO shaft side 2. Description of the Related Art A spraying device such as a fertilizer spreader including power input means that inputs power (PTO output) from an input shaft and outputs the power to a rotating body is known (see, for example, Patent Document 1).
JP 2004-267150 A

  However, since the conventional spraying device is configured to rotationally drive the rotating body by the PTO output of the tractor, the rotating body rotates even when the shutter, flap, etc. are closed, and the closed opening / closing body and rotating body The material to be sprayed is clogged between. Therefore, when the opening / closing body is opened and the spray hole is opened, there is a problem that a large amount of objects to be sprayed fall at once.

  The present invention has been made in view of such a point, and when the opening / closing body is opened to open the spray hole, a large amount of the spray object does not fall at once, and the spray It aims at providing the spreading device which can spread an object uniformly.

Spraying apparatus 請 Motomeko 1 described, is connected to the vehicle, a spray device for spraying the spray material while moving the traveling of the vehicle, and the object to be sprayed product container having a spraying hole, A rotating body that is rotatably disposed in the object to be dispersed object, agitates the object to be dispersed and sends the object to be dispersed to the spraying hole side, a rotating body driving means for rotating the rotating body, and an opening. An opening / closing body for opening the spraying hole portion in a state and closing the spraying hole portion in a closed state, an opening / closing body driving means for opening and closing the opening / closing body, and the rotating body and drive means and control means for controlling the opening and closing body drive means, the control of the control means, at the time of spraying work start the rotary member is rotated to throw up after the opening and closing member is in the open state, spraying the rotary member is slowed down during work stoppages The closing member after stopping is made closed.

Spraying device 請 Motomeko 2 wherein, in spraying apparatus according to claim 1 Symbol mounting, comprising a lid for opening and closing the object to be sprayed was inlet portion of the spray material container, control means, said at the lid The rotator driving means is driven only when the object to be sprinkled is closed.

Spraying apparatus according to claim 3, wherein, in spraying apparatus according to claim 1 Symbol mounting comprises intruding object detecting means for detecting the intruding object from the spray material inlet portion of the spray material container, control means, said When the entering object is detected by the entering object detection means, the rotating body driving means is stopped.

A spraying device according to a fourth aspect is the spraying device according to any one of the first to third aspects, wherein the rotation speed of the rotating body can be adjusted steplessly.

According to the invention of 請 Motomeko 1, under the control of the control means, for opening and closing member is rotating body is rotated after reaching the open state, the opening and closing member is closed after the rotating body is stopped, the opening and closing member When the spray holes are opened in the open state, a large amount of the sprayed object does not fall at once, and the sprayed object can be sprayed uniformly.

According to the invention of 請 Motomeko 2, since the control means drives the rotator drive means only when the scatter object inlet portion is closed by the lid, it is possible to improve the safety .

According to the third aspect of the invention, since the control unit stops the rotating body driving unit when the entering unit is detected by the entering unit detection unit, the safety can be improved.

According to the invention which concerns on Claim 4 , since the rotational speed of a rotary body can be adjusted in a stepless manner, the rotational speed of a rotary body can be set according to the kind etc. of a to-be-dispersed object, for example, The accuracy of the drop start can be improved.

  An embodiment of a spraying device of the present invention will be described with reference to the drawings.

  1 to 3, reference numeral 1 denotes a spraying device. The spraying device 1 is connected to, for example, a three-point link portion (worker lifting support device) T1 at the rear of a tractor T that is a traveling vehicle. It is a fertilizer spreader such as lime sower that drops and spreads an object to be sprayed such as powdered or granular fertilizer on the field while moving.

  The spraying device 1 includes a scattered object container 2 such as a left-right longitudinal hopper connected to a three-point link T1 at the rear of the tractor T.

  The object container 2 has a box shape having a substantially triangular shape when viewed from the side. As shown in FIG. 4, a plurality of substantially rectangular holes for spraying are provided on the bottom surface of the object container 2. The portions 3 are formed at intervals in the left-right direction. In addition, a curved plate-shaped spraying amount adjusting shutter 5 having a substantially triangular hole portion 4 arranged side by side in the left-right direction moves in the left-right direction along the bottom surface of the scattered object container 2. It is provided as possible. A shutter opening / closing lever 8 is attached to the shutter 5 via a shutter opening / closing stay 6 and a shutter opening / closing link ball 7, and when the shutter opening / closing lever 8 is manually rotated about a rotation axis (fulcrum) 9. The shutter 5 moves in the left-right direction along the bottom surface of the scattered object container 2. By the movement of the shutter 5, the opening amount of the spray hole 3 of the spray container 2 is changed, and the spray amount of the spray object sprayed from the spray hole 3 is adjusted.

  In addition, an object input port 11 for supplying an object to be distributed is formed on the upper surface of the object container 2 over substantially the entire upper surface. In addition, a substantially rectangular plate-like lid body 12 that opens and closes the spattering object insertion port 11 is provided at the upper part of the sprinkled object container 2 so as to be rotatable in the vertical direction. The lid body 12 is opened by turning upward about the front edge side along the longitudinal direction of the lid body 12 so as to open the scattered material inlet 11, and the longitudinal direction of the lid body 12. The sprinkling material inlet 11 is closed by rotating downward about the front edge along the direction. Further, a lid body detection means 13 such as a lid opening / closing sensor that detects the state of the lid body 12 is provided on the upper part of the scattered object container 2.

  In addition, the spraying device 1 is rotatably disposed in the sprayed object container 2 and rotates in a predetermined direction to stir the sprayed object in the sprayed object container 2 and to disperse the sprayed object. A rotating body 21 such as an agitator to be sent to the unit 3 side, and a rotating body driving means 22 for rotating the rotating body 21 are provided.

  The rotating body 21 has a rotating shaft portion 23 which is located in the lower inner side of the scattered object container 2 and whose axial direction coincides with the left-right direction. The rotating object 21 is agitated on the outer peripheral surface of the rotating shaft portion 23. At the same time, a stirring feed plate portion 24 for projecting an object to be sprayed to the spray hole 3 side is provided. The rotating body driving means 22 is constituted by, for example, an electric motor 25, and this electric motor 25 is provided on the side surface portion of the scattered object container 2, and the output shaft of the electric motor 25 is the rotating shaft portion 23 of the rotating body 21. It is connected to. The rotating body 21 is rotated by driving the electric motor 25 that constitutes the rotating body driving means 22, and the object to be sprayed in the object storage body 2 is agitated by the rotation of the rotating body 21 and the spraying hole portion. Sent to 3 side. The rotational speed of the rotating body 21 can be adjusted steplessly by controlling the electric motor 25.

  Furthermore, the spraying device 1 is in an open state to open the spraying hole 3 of the scattered object container 2 and to be closed to close the spraying hole 3 of the sprayed object container 2. An opening / closing body 31 and an opening / closing body driving means 32 for opening and closing the opening / closing body 31 are provided.

  The opening / closing body 31 is in contact with the lower surface of the spraying amount adjusting shutter 5 and closes the spraying hole 3 of the object container 2 to be opened / closed in the left / right direction and made of synthetic resin such as urethane having a curved plate shape. A pair of left and right plate portions 33 are provided. As shown in FIG. 3 and the like, each opening / closing plate portion 33 is provided with an arm portion 35 that can rotate around a rotation shaft (fulcrum) 34, and the lower end of the connecting arm portion 36 is attached to the arm portion 35. The arm portions 37 are rotatably connected to the upper end portion of the connecting arm portion 36. The opening / closing body driving means 32 is constituted by, for example, two electric motors 38 on the left and right sides, and an arm portion 37 is attached to an output shaft 38 a of each electric motor 38.

  When the opening / closing body 31 is opened by driving of the two electric motors 38 constituting the opening / closing body driving means 32 and the opening / closing plate 33 is separated from the lower surface of the shutter 5, the spraying hole of the object container 2 is scattered. When the opening / closing body 31 is closed by the driving of the electric motor 38 and the opening / closing plate 33 comes into contact with the lower surface of the shutter 5, the spraying hole 3 of the object container 2 is opened. It is closed by the opening / closing plate part 33.

  Further, the spraying device 1 is provided with a control means 41 for controlling the rotating body driving means 22 and the opening / closing body driving means 32. As shown in FIG. The driving means 32 and the lid detection means 13 are electrically connected.

  Then, at the start of the spraying operation, based on the control of the control means 41, the drive of the electric motor 25 of the rotating body drive means 22 after the open / close body 31 is opened by the drive of the electric motor 38 of the open / close body drive means 32 As a result, the rotating body 21 rotates in a predetermined direction. At this time, the control means 41 drives the electric motor 25 of the rotating body driving means 22 only when the object supply port 11 of the object storage body 2 is closed by the lid 12. Further, when the spraying operation is stopped, based on the control of the control means 41, after the rotating body 21 is stopped by stopping the electric motor 25 of the rotating body driving means 22, the opening / closing body is driven by the electric motor 38 of the opening / closing body driving means 32. 31 is closed.

  Next, the operation and the like of the above embodiment will be described.

  When the spraying device 1 is used for spraying, the cover 12 is opened to open the sprinkler input port 11, and the spatter is received from the sprinkled spatter input 11. Put it in the body 2. After throwing in the object to be sprinkled, the lid 12 is closed and the sprinkling object inlet 11 is closed.

  Then, when the entire spraying device 1 is moved forward by the traveling of the tractor T, when the operation start button of the operation means such as a remote controller (not shown) is pressed, the opening / closing body drive means 32 is electrically controlled by the control means 41. The motor 38 is driven, the opening / closing body 31 is changed from the closed state to the open state, and the spray hole 3 is opened.

  Thereafter, under the control of the control means 41, the electric motor 25 of the rotator driving means 22 is driven, and the rotator 21 slows up and rotates. And the to-be-spread object in the to-be-sprayed object container 2 is sent to the sprinkling hole 3 side while being agitated by the rotation of the rotating body 21, and falls from the sprinkling hole 3 opened.

  Note that the control means 41 drives the electric motor 25 of the rotating body driving means 22 only when the object supply port 11 of the object storage body 2 is closed by the lid 12. That is, only when the lid body detection means 13 detects that the lid body 12 is in the closed state, the control means 41 drives the electric motor 25 to rotate the rotating body 21. For this reason, the rotating body 21 is not rotated by the drive of the electric motor 25 in the state where the sprinkling object inlet 11 is opened.

  Further, when stopping the spraying work, for example, when a work stop button of an operating means such as a remote controller (not shown) is pressed, the electric motor 25 of the rotating body driving means 22 is stopped and the rotating body 21 is slowed down by the control of the control means 41. Down and stop. Thereafter, under the control of the control means 41, the electric motor 38 of the opening / closing body driving means 32 is driven, and the opening / closing body 31 is changed from the open state to the closed state.

  Thus, according to the spraying device 1, since the control means 41 for controlling the electric motor 25 of the rotating body driving means 22 according to the state of the opening / closing body 31 is provided, the opening / closing body 31 is opened and the spraying hole When 3 is opened, a large amount of objects to be dispersed do not fall onto the field at once, and the objects to be dispersed can be evenly dispersed.

  Further, since the control means 41 drives the electric motor 25 of the rotating body driving means 22 only when the spattering object inlet 11 is closed by the lid 12, the spattering object inlet 11 is opened. The rotating body 21 is not rotated by the drive of the electric motor 25 in the state, and the safety is excellent.

  In the above-described embodiment, the lid body detecting means 13 for detecting the state of the lid body 12 is provided, and the control means 41 is rotated only when the scattered object inlet 11 is closed by the lid body 12. The configuration for driving the body driving means 22 has been described. For example, as shown in FIG. 6, an optical system sensor or the like that detects an intruding object from the spattering object inlet 11 into the sprinkled object container 2. Even if the object detecting means 45 is provided and the control means 41 stops the rotating body driving means 22 when the entering object is detected by the entering object detecting means 45, the safety can be improved.

Further, the rotating body driving means 22 may be constituted by, for example, a hydraulic motor other than the electric motor 25. Similarly, the opening / closing body driving means 32 may be constituted by, for example, a hydraulic motor other than the electric motor 38. .

Further, for example, it is provided with an overload detecting means for detecting that a load greater than a predetermined value is applied to the rotating body driving means 22, and the control means 41 stops the rotating body driving means 22 based on the detection of the overload detecting means. It is good .

It is a side view which shows one Embodiment of the dispersion device of this invention. It is a front view of a spreading device same as the above. It is a partial side view of a dispersing device same as the above. It is a partial bottom view of a spreading device same as the above. It is a block diagram of a dispersion apparatus same as the above. It is a schematic side view which shows other embodiment of this invention.

DESCRIPTION OF SYMBOLS 1 Spreading device 2 Object container 3 Spraying hole
11 Sprinkle input port
12 Lid
21 Rotating body
22 Rotating body drive means
31 Opening and closing body
32 Opening and closing body drive means
41 Control means
45 Intrusion detection means
T- tractor tractor

Claims (4)

A spraying device that is connected to a traveling vehicle and sprays objects to be scattered while moving by traveling of the traveling vehicle,
To-be-scattered object container having a hole for spraying;
A rotating body that is rotatably arranged in the object to be dispersed object, agitates the object to be dispersed, and sends the object to be dispersed to the spraying hole side,
A rotating body driving means for rotating the rotating body;
An opening / closing body that opens to open the spray hole, and closes to close the spray hole;
Opening / closing body driving means for opening and closing the opening / closing body,
Control means for controlling the rotating body driving means and the opening / closing body driving means,
By the control of the control means, the rotating body slows up and rotates after the opening / closing body is opened at the start of spraying work , and the rotating body slows down and stops when the spraying work is stopped. A spraying device characterized in that is closed. It has a lid that opens and closes the spatter input port of the sprinkler container.
Control means, said only when the object to be sprayed product inlet portion is closed, according to claim 1 Symbol placing the sprayer and drives the rotary body drive means in the lid. Provided with an intruder detection means for detecting an intruder from the sprinkler input port of the scattered object container,
Control means, the intruding object if the intruding object is detected by the detection means, according to claim 1 Symbol placing the sprayer, characterized in that stopping the rotating body driving means. The spraying device according to any one of claims 1 to 3 , wherein the rotation speed of the rotating body is adjustable steplessly.

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