JP3676907B2 - Blower switch on side fertilizer applicator - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a blower switch of a side fertilizer applicator.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there has been a side strip fertilizer machine in which a blower is communicated with a fertilizer main body arranged in a large number in the left-right direction via a blower pipe extending in the left-right direction, and the fertilizer measured by the fertilizer main body is conveyed by air.
[0003]
[Problems to be solved by the invention]
However, recently, in order to increase the work efficiency, the number of fertilizer applicators tends to increase. In this case, the lateral width of the side fertilizer applicator becomes large, which is inconvenient for movement and storage between fields.
[0004]
Therefore, a pivot shaft is provided at one end of the blower pipe, and a blower is rotatably attached to the pivot shaft so that the blower and the blower pipe can be communicated and separated from each other. Although it is conceivable to make it smaller, even if the blower is stored in this way, the blower is operated due to an erroneous operation or the like, and power is wasted or there is a safety problem.
[0005]
[Means for Solving the Problems]
Therefore, in the present invention, Rutotomoni a pivot provided at one end of the air pipe, a blower to the blower fitting of the air pipe and another member as much as possible mounted freely to pivoting and vertically sliding around the same pivot, the blower and the blower a pipe communicatively detachably configured, in conjunction with communication and separation between the blower and the air pipe provided oN / OFF switch body pivot support, moreover, a plate at a position opposite to the actuator of the switch body The operating end of the spring is arranged so as to be able to contact and separate, and the upper curved part that is continuous with the operating end of the leaf spring is provided so as to be able to protrude and retract from the hole of the blower mounting tool. the pressing body for opening and closing provided by, when communicated to the blower and the blower pipe, and the upper curved portion of the leaf spring is lowered operated by the pressing member, to press the actuator of the switch body by the working end The switch body is turned on, and the leaf spring is separated from the actuator by preventing the pressing body from pressing the leaf spring by the retraction operation of the pressing body in a state where the blower and the air pipe are in communication. The switch body is configured to release the pressure by releasing the actuator of the main body . With this configuration, the blower can be operated by communicating with the blower and the blower pipe, and on the other hand, the pressure body is slid. Accordingly, the blower switch of the side strip fertilizer is characterized in that the operation of the blower is stopped .
[0009]
DETAILED DESCRIPTION OF THE INVENTION
In this embodiment, Rutotomoni a pivot provided at one end of the air pipe, a blower to the blower fitting of the air pipe and another member mounted possible freely to rotation and storing and perpendicular sliding around the same pivot, and blower and the air pipe communicatively detachably configured, a switch body for controlling the operation of the blower by oN / OFF in conjunction with communication and separation between the blower and the blower pipe pivot support, moreover, the switch The operating end of the leaf spring is disposed so as to be able to contact and separate at a position facing the actuator of the main body , and an upper curved portion continuous to the working end of the leaf spring is provided so as to be able to protrude and retract from the hole of the blower mounting tool. The tool is provided with a pressing body that opens and closes the hole by advancing and retreating . When the blower and the blower pipe are communicated , the upper curved portion of the leaf spring is lowered by the pressing body, and the switch end is operated by the operating end. By pressing the body actuator , the switch body is turned on, and the leaf spring is made not to press the leaf spring by the withdrawal operation of the pressure body in a state where the blower and the air pipe are in communication. The switch body is separated from the actuator to release the pressure , and the switch body is turned off . With this configuration, the blower can be operated by operating the blower and the air pipe , The blower stops operating by sliding the pressing body .
[0011]
【Example】
Embodiments of the present invention will be described with reference to the drawings.
[0012]
FIG. 1 shows a riding rice transplanter A equipped with a blower switch S of a side fertilizer application E according to the present invention, and is moved up and down and left and right via a three-point link mechanism C behind a traveling vehicle body B capable of self-propelling. A riding rice transplanter A is configured by connecting the planting device D in a tiltable manner, and the side fertilizer applicator E mounts a plurality of fertilizer applicator main bodies 30 above the rear part of the traveling vehicle body B, and A grooving device 41 is attached to the side surface of each float, and the fertilizer weighed by the fertilizer machine main body 30 is air-conveyed through the grooving device 41 and is put into the fertilizing groove formed by the grooving device 41.
[0013]
The traveling vehicle body B has left and right front wheels 2 mounted on the front left and right sides of the vehicle body frame 1 so as to be steerable, and left and right rear wheels 3 are mounted on the rear left and right sides of the vehicle body frame 1, respectively. On the upper surface of the frame 1, a motor vehicle unit 4, a driving unit 5, a seat 6, a lifting mechanism 7, and a vehicle body side hitch 8 for connecting the planting device D are arranged in this order from the front, and the motor unit 4 Is transmitted to the left and right front and rear wheels 2 and 3 via the continuously variable transmission 9, the transmission case 10 and the front and rear differential cases 11 and 12, and the left and right front wheels are rotated by turning the steering wheel 13 erected on the driving unit 5. 2 is steered.
[0014]
The three-point link mechanism C is composed of a top link 14 and a left and right lower link 15. The front ends of the top link 14 and the left and right lower link 15 are pivotally attached to the rear surface of the vehicle body side hitch 8. The rear end is pivotally attached to the planting side hitch 16 to constitute a parallel link mechanism, and the planting device D is moved up and down by an elevating mechanism (not shown) arranged in the vehicle body side hitch 8. I have to. In the figure, 19 is a reserve seedling stand.
[0015]
The planting device D is pivotally attached to the planting side hitch 16 via a pivot shaft 21 extending in the front-rear direction so that the transmission case 22 serving as a planting part frame can be tilted left and right. A seedling stand 23 inclined to a high rear and a low is arranged, and a planting claw 24 driven by a transmission case 22 is arranged in the vicinity of the lower edge of the seedling platform 23. The seedlings placed on the seedling stage 23 are planted on the rice field.
[0016]
Further, in this embodiment, two planting devices are foldably attached to the side of the eight planting devices so that the ten planting devices D are formed. The attachment device is expanded in a side-by-side manner to allow ten planting operations, and the two planting devices are folded and stored for convenience during movement.
[0017]
Further, a left and right inclined cylinder 26 is interposed between the stay 25 extending upward from the upper surface of the planting side hitch 16 and the seedling mounting base 23, and the vehicle body B is extended by the expansion and contraction operation of the left and right inclined cylinder 26. In contrast, the planting device D is inclined right and left. In the figure, 27 is a center float, and 28 is a side float.
[0018]
The side strip fertilizer E is configured to be capable of 10 side strip fertilizers, and as shown in FIGS. 1 and 2, eight fertilizer main bodies extending in the left-right direction on the upper surface of the vehicle body side hitch 8. A main frame 31 carrying 30 is placed, and a sub-frame 32 carrying two fertilizer main bodies 30 is connected to the left end of the main frame 31 so as to be foldable forward.
[0019]
That is, a long hole 33 extending in the left-right direction is formed in the front edge of the right end portion of the main frame 31, a pivot 34 extending in the vertical direction is inserted into the long hole 33, and the left side of the sub-frame 32 is inserted into the pivot 34. The front end edge of the end portion is pivotally attached so that the sub frame 32 can be slid inward while rotating the sub frame 32 in the forward direction.
[0020]
In addition, a blower 36 is rotatably attached to the outer end of the main frame 31 via a rotation shaft 35 extending in the vertical direction, and the blower 36 is fixed to the outer end of the sub-frame 32 to be attached to the main frame 31. The blower 36 on the frame 31 side is communicated with the lower part of the measuring unit 38 of each fertilizer applicator body 30 through a blower pipe 37 formed of a flexible material capable of expansion and contraction such as rubber or soft plastic.
[0021]
As shown in FIG. 3, each fertilizer machine main body 30 has a measuring unit 38 connected to the lower end of a substantially funnel-shaped hopper 39, and an upper end of a fertilizer hose 40 connected to the lower end of the measuring unit 38. A groover 41 is connected to the lower end of the hose 40, a blower pipe 37 communicating with the blower 36 is connected to the measuring unit 38, and a link mechanism 43 capable of changing the output stroke is connected to the crank 42 linked to the prime mover unit 4. And a drive shaft 44 that drives the weighing unit 38 via a one-way clutch (not shown), and the fertilizer stored in the hopper 39 is weighed by the weighing unit 38, and the measured fertilizer is It is carried on the conveying air from the blower 36 fed through the refracting blower pipe 37 and fed to the grooving device 41 through the fertilizer hose 40. In the figure, 45 is a support frame, 46 is a metering adjustment mechanism, and 47 is a lid.
[0022]
Accordingly, the sub-frame 32 and the blower 36 at the outer end of the main frame 31 are widened to the side to enable the side strip fertilization for 10 strips, and the sub-frame 32 and the blower 36 are rotated forward and inward. It can be moved and stored for convenient transportation.
[0023]
FIGS. 4 to 8 show a structure for mounting the blower 36 to the blower pipe 37. A substantially box-shaped pivot comprising upper and lower plates 50a, 50b and an inner plate 50c is provided on the front side of one end of the blower pipe 37. FIG. The support body 50 protrudes in the forward direction, and the pivot 51 extending in the vertical direction is erected on the pivot support body 50, while the blower 36 has a substantially U-shaped blower on the front surface of the fan case 52 of the blower 36. A mounting tool 53 is mounted, the pivot 51 is inserted into the inner end of the blower mounting 53, and the blower 36 is mounted to be rotatable and vertically slidable around the pivot 51.
[0024]
Then, a bolt insertion part 56 projects from the peripheral rear side of the flange 55 surrounding the blower outlet 54 of the blower 36, and a bolt 57 with a knob inserted through the bolt insertion part 56 is connected to the rear side of one end of the blower pipe 37. The blower 36 is fixed in a state in which the blower 36 is communicated with the blower pipe 37 by being screwed onto the nut 60 of the nut support 58 projecting from the pipe (FIGS. 4 to 6).
[0025]
Further, when storing the blower 36, the blower 36 is pivoted forward while sliding upward so that the motor part 59 of the blower 36 does not interfere with the blower pipe 37, and the pivot support 50 is inserted. The bolt 57 with the knob is screwed onto a nut 60 provided on the blower attachment 53 to fix the blower 36 in the retracted state (FIGS. 7 and 8). In the figure, 61 is a suction cylinder of the blower 36, and 62 is a filter.
[0026]
9 to 11 show a blower switch S. The blower switch S has a switch body 70 attached to an inner plate 50c between upper and lower plates 50a and 50b of the pivot support 50, and the switch body 70 has an upper portion. The fixed end portion 71a of the plate spring 71 curved in the direction is fixed, and the upper curved portion 71b of the plate spring 71 is protruded upward from the rectangular hole 73 formed in the upper surface of the pivot support 50, and the operation of the plate spring 71 is The lower surface of the end 71c is opposed to the actuator 74 of the switch body 70 with a predetermined gap.
[0027]
On the other hand, while the blower 36 is in communication with the blower pipe 37, a rectangular hole 75 is formed in the blower attachment 53 at a position facing the rectangular hole 73, and a guide body 76 is provided on the upper surface of the blower attachment 53. The upper surface of the rectangular hole 75 can be closed and opened by slidably inserting a plate-like pressing body 77 refracted into a substantially L shape into the gap between the guide body 76 and the upper surface of the blower fixture 53. Yes.
[0028]
The embodiment of the present invention is configured as described above. In the state where the blower 36 is communicated with the blower pipe 37, as shown in FIG. The bending portion 71b is pressed downward, the actuator 74 is pressed by one end of the leaf spring 71, the switch body 70 is turned on, and the blower 36 is operated.
[0029]
Further, when the blower 36 is slid upward to store the blower 36, as shown in FIG. 10, the pressing body 77 is separated from the leaf spring 71, and the leaf spring 71 moves upward. The spring 71 moves away from the actuator 74, turns off the switch body 70, and stops the operation of the blower 36.
[0030]
Furthermore, even when the blower 36 is in communication with the blower pipe 37, as shown in FIG. 11, when the pressing body 77 is slid to open the rectangular hole 75, the pressing body 77 presses the leaf spring 71. Since the switch body 70 is turned off, the blower switch S can be used as the main switch.
[0031]
Further, since the switch body 70 is attached to the inner plate 50c between the upper and lower plates 50a, 50b of the pivot support 50, the switch body 70 is protected and malfunction due to contact with foreign matter is prevented.
[0032]
【The invention's effect】
According to the present invention, the following effects can be obtained.
[0033]
In the invention of claim 1, wherein, Rutotomoni a pivot provided at one end of the air pipe, a blower to the blower fitting of the air pipe and another member as much as possible mounted freely to pivoting and vertically sliding around the same pivot, blower The switch body is configured to be able to communicate / separate between the blower pipe and the blower and the blower pipe to communicate with / separate, and a switch body that is turned ON / OFF is provided on the pivot support , and the switch body is opposed to the actuator. The operating end of the leaf spring is disposed so as to be able to contact and separate, and an upward curved portion continuous with the operating end of the leaf spring is provided so as to be able to protrude and retract from the hole of the blower mounting tool, and the blower mounting tool has the same hole. A pressing body that opens and closes by advancing and retreating operation is provided, and when the blower and the blower pipe are communicated , the upper curved portion of the leaf spring is lowered by the pressing body, and the actuator of the switch body is pressed by the operating end. The switch body is turned on, and the leaf spring is separated from the actuator by preventing the pressing body from pressing the leaf spring by the withdrawal operation of the pressing body in a state where the blower and the air pipe are in communication. The switch body is pressed to release the switch body , and the switch body is turned off . With this configuration, the blower can be operated by communicating with the blower and the air pipe , while the pressure body is slid. As a result, the blower stops operating, so that when the blower is retracted, it is possible to prevent wasteful operation of the blower due to erroneous operations, etc., and to prevent waste of power and deterioration of safety. in addition, with a simple structure, it is possible to automatically stop the operation of the blower when storing the blower, further, Even when communicating with the lower air blowing pipe, it is possible to turn OFF the switch body, can be used also the main switch at the same blower switch, it is possible to simplify the structure.
[Brief description of the drawings]
FIG. 1 is a side view of a riding rice transplanter equipped with a blower switch according to the present invention.
FIG. 2 is a plan view of a side fertilizer applicator.
FIG. 3 is a side view of the fertilizer applicator body.
FIG. 4 is a front view of the blower (communication state).
FIG. 5 is a plan view of the blower (communication state).
FIG. 6 is a side view of the blower (communication state).
FIG. 7 is a plan view of the blower (stored state).
FIG. 8 is a side view of the blower (stored state).
FIG. 9 is a perspective view of the blower switch (communication and ON state).
FIG. 10 is a perspective view of the blower switch (retracted state).
FIG. 11 is a perspective view of the blower switch (communication and OFF state).
[Explanation of symbols]
S Blower switch
36 Blower
37 Blower pipe
51 Axis
70 Switch body
77 Press body

Claims (1)

One end of the pivot (51) provided on Rutotomoni the air pipe (37), rotating air pipe (37) and separate blower fixture (53) the blower (36) to be centered on the pivot (51) Dooyobi The blower (36) and the blower pipe (37) are configured to be slidable up and down as much as possible so that the blower (37) and the blower pipe (37) can communicate with each other. The switch body (70) to be turned off is provided on the pivot support (50) , and the operating end (71 c ) of the leaf spring (71) is connected to a position facing the actuator (74) of the switch body (70). An upper curved portion (71 b ) continuous with the operating end portion (71 c ) of the leaf spring (71) is provided so as to be able to protrude and retract from the hole of the blower attachment (53). 53) is a push to open and close the hole by advancing and retracting. When the pressure body (77) is provided and the blower (36) and the blower pipe (37) are in communication, the upper curved portion (71 b ) of the leaf spring (71 ) is lowered by the pressing body (77). , is ON the switch body (70) by pressing the actuator (74) of the switch body (70) by the working end (71 c), moreover, in communication with a blower (36) and the air pipe (37) state Thus, by preventing the pressing body (77) from pressing the leaf spring (71) by the retraction operation of the pressing body (77), the leaf spring (71) is separated from the actuator (74), and the switch body (70 ) actuator (74) to release pressing of, that is configured to turn OFF the switch body (70), by such a configuration, the communication operation of a blower (36) and the blower pipe (37) Blower (36) Te is operational, and the other, a blower switch side Article fertilizer machine blower (36) is characterized by being adapted to stop the operation by pressing body (77) to the sliding operation.

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